Built 2026-10-15 (15 October 2026)

Berkeley Weather Records (USC00040693)

Record envelope, standing records and threshold days for Berkeley (USC00040693), California, United States, with 133 years of record.

Key Facts for Berkeley

  • Berkeley (USC00040693) is a weather station in California, United States at 37.87 latitude and -122.26 longitude, 95 m (310 ft) above sea level.
  • The station reports from 1893 to 2025, 133 years of record.
  • 1,464 records set at Berkeley still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Berkeley set a daily record high maximum temperature of 32.2 C (90.0 F) on 31 August 2025.

About the Station

  • Location: California, United States, 37.87 latitude, -122.26 longitude.
  • Elevation: 95 m (310 ft).
  • Period of record: 1893 to 2025, 133 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

1 days at or beyond a record
Daily record high and record low at Berkeley, with 2026 drawn through them The band shows the record high and record low for each calendar day at Berkeley. The lines show the 2026 daily maximum and minimum. 1 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -1001020304050 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Berkeley. The lines show the 2026 daily maximum and minimum. 1 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Berkeley, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan25.6 C (78.1 F)-3.9 C (25.0 F)n/an/a
Feb27.2 C (81.0 F)-1.7 C (28.9 F)n/an/a
Mar30.6 C (87.1 F)0.6 C (33.1 F)n/an/a
Apr35.0 C (95.0 F)-2.2 C (28.0 F)n/an/a
May38.3 C (100.9 F)2.2 C (36.0 F)n/an/a
Jun41.7 C (107.1 F)4.4 C (39.9 F)n/an/a
Jul37.2 C (99.0 F)4.4 C (39.9 F)28.3 C (82.9 F)11.7 C (53.1 F)
Aug40.0 C (104.0 F)7.8 C (46.0 F)32.2 C (90.0 F)12.8 C (55.0 F)
Sep41.1 C (106.0 F)3.3 C (37.9 F)n/an/a
Oct37.2 C (99.0 F)3.9 C (39.0 F)n/an/a
Nov30.0 C (86.0 F)0.6 C (33.1 F)n/an/a
Dec24.4 C (75.9 F)-4.4 C (24.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Berkeley by the year they were set 1,464 records at Berkeley still stand. 1905 holds the most, with 44. 02040601893: 121894: 171895: 111896: 251897: 181898: 191899: 301900: 51901: 161905: 441906: 61907: 101908: 111909: 101910: 181911: 151912: 61913: 231914: 231915: 91916: 291917: 221918: 141919: 111920: 171921: 151922: 141923: 131924: 191925: 101926: 131927: 101928: 81929: 201930: 151931: 91932: 251933: 181934: 141935: 161936: 51937: 191938: 81939: 151940: 41941: 91942: 51943: 101944: 31945: 81946: 91947: 111948: 71949: 181950: 121951: 71952: 71953: 141954: 91955: 61956: 51957: 61958: 51959: 171960: 61961: 121962: 91963: 71964: 61965: 151966: 101967: 151968: 61969: 31970: 111971: 101972: 181973: 131974: 41975: 151976: 181977: 101978: 71979: 81980: 101981: 51982: 71983: 21984: 91985: 171986: 11987: 61988: 81989: 101990: 91994: 11995: 131996: 111997: 61998: 51999: 112000: 102001: 122002: 62003: 102004: 112005: 32006: 72007: 122008: 252009: 152010: 132011: 152012: 112013: 52014: 132015: 92016: 52017: 182018: 92019: 112020: 162021: 32022: 182023: 122024: 12025: 11893190919221935194819611974198720032016
1,464 records at Berkeley still stand. 1905 holds the most, with 44.
Standing records at Berkeley by the year they were set
Year setStanding records
189312
189417
189511
189625
189718
189819
189930
19005
190116
190544
19066
190710
190811
190910
191018
191115
19126
191323
191423
19159
191629
191722
191814
191911
192017
192115
192214
192313
192419
192510
192613
192710
19288
192920
193015
19319
193225
193318
193414
193516
19365
193719
19388
193915
19404
19419
19425
194310
19443
19458
19469
194711
19487
194918
195012
19517
19527
195314
19549
19556
19565
19576
19585
195917
19606
196112
19629
19637
19646
196515
196610
196715
19686
19693
197011
197110
197218
197313
19744
197515
197618
197710
19787
19798
198010
19815
19827
19832
19849
198517
19861
19876
19888
198910
19909
19941
199513
199611
19976
19985
199911
200010
200112
20026
200310
200411
20053
20067
200712
200825
200915
201013
201115
201211
20135
201413
20159
20165
201718
20189
201911
202016
20213
202218
202312
20241
20251

All-Time Record Progression

10 new records
When Berkeley set new all-time records 10 all-time records were set at Berkeley between 11 December 1932 and 2 September 2017. Each dot is a new record. Record low minimum temperatureRecord high minimum temperatureRecord daily precipitationRecord low maximum temperatureRecord high maximum temperature11 December 1932: Record low minimum temperature -3.3 C (26.1 F)21 January 1937: Record low minimum temperature -3.9 C (25.0 F)21 September 1939: Record high minimum temperature 22.2 C (72.0 F)21 January 1967: Record daily precipitation 100.6 mm (4.0 in)14 September 1971: Record high minimum temperature 22.8 C (73.0 F)9 December 1972: Record low maximum temperature 2.2 C (36.0 F)4 January 1982: Record daily precipitation 177.3 mm (7.0 in)22 December 1990: Record low minimum temperature -4.4 C (24.1 F)15 June 2000: Record high maximum temperature 41.7 C (107.1 F)2 September 2017: Record high minimum temperature 23.3 C (73.9 F)193519501965198019952010
10 all-time records were set at Berkeley between 11 December 1932 and 2 September 2017. Each dot is a new record.
When Berkeley set new all-time records
DateKindDetail
1932-12-11Record low minimum temperatureRecord low minimum temperature -3.3 C (26.1 F)
1937-01-21Record low minimum temperatureRecord low minimum temperature -3.9 C (25.0 F)
1939-09-21Record high minimum temperatureRecord high minimum temperature 22.2 C (72.0 F)
1967-01-21Record daily precipitationRecord daily precipitation 100.6 mm (4.0 in)
1971-09-14Record high minimum temperatureRecord high minimum temperature 22.8 C (73.0 F)
1972-12-09Record low maximum temperatureRecord low maximum temperature 2.2 C (36.0 F)
1982-01-04Record daily precipitationRecord daily precipitation 177.3 mm (7.0 in)
1990-12-22Record low minimum temperatureRecord low minimum temperature -4.4 C (24.1 F)
2000-06-15Record high maximum temperatureRecord high maximum temperature 41.7 C (107.1 F)
2017-09-02Record high minimum temperatureRecord high minimum temperature 23.3 C (73.9 F)

Wettest Day of Each Month

Jan: 177.3 mm (7.0 in)
Record daily precipitation for each month at Berkeley The wettest day on record for each calendar month at Berkeley. The most was 177.3 mm (7.0 in) on 4 January 1982. 050100150200 Jan: 177.3 mm (7.0 in), 4 January 1982 Jan Feb: 81.3 mm (3.2 in), 13 February 2000 Feb Mar: 81.3 mm (3.2 in), 22 March 1899 Mar Apr: 63.2 mm (2.5 in), 24 April 1896 Apr May: 54.9 mm (2.2 in), 1 May 1905 May Jun: 29.5 mm (1.2 in), 28 June 2011 Jun Jul: 35.6 mm (1.4 in), 8 July 1974 Jul Aug: 21.3 mm (0.8 in), 30 August 1896 Aug Sep: 64.0 mm (2.5 in), 18 September 1959 Sep Oct: 99.8 mm (3.9 in), 13 October 2009 Oct Nov: 98.8 mm (3.9 in), 5 November 1994 Nov Dec: 120.1 mm (4.7 in), 13 December 2002 Dec
The wettest day on record for each calendar month at Berkeley. The most was 177.3 mm (7.0 in) on 4 January 1982.
Record daily precipitation for each month at Berkeley
MonthRecord daily precipitation (mm)Date
Jan177.3 mm (7.0 in)4 January 1982
Feb81.3 mm (3.2 in)13 February 2000
Mar81.3 mm (3.2 in)22 March 1899
Apr63.2 mm (2.5 in)24 April 1896
May54.9 mm (2.2 in)1 May 1905
Jun29.5 mm (1.2 in)28 June 2011
Jul35.6 mm (1.4 in)8 July 1974
Aug21.3 mm (0.8 in)30 August 1896
Sep64.0 mm (2.5 in)18 September 1959
Oct99.8 mm (3.9 in)13 October 2009
Nov98.8 mm (3.9 in)5 November 1994
Dec120.1 mm (4.7 in)13 December 2002

Period of Record Coverage

1893 to 2025
Days with data per year at Berkeley 129 years of record at Berkeley, 1893 to 2025. 13 years have data for under 90 percent of days and are left out of rankings: 1902, 1907, 1916, 1917, 1971, 1988, 1989, 1993 and others. 1893: 365 of 365 days1894: 364 of 365 days1895: 364 of 365 days1896: 366 of 366 days1897: 365 of 365 days1898: 365 of 365 days1899: 363 of 365 days1900: 333 of 365 days1901: 334 of 365 days1902: 30 of 365 days1905: 335 of 365 days1906: 362 of 365 days1907: 212 of 365 days1908: 366 of 366 days1909: 364 of 365 days1910: 362 of 365 days1911: 335 of 365 days1912: 364 of 366 days1913: 359 of 365 days1914: 364 of 365 days1915: 364 of 365 days1916: 329 of 366 days1917: 303 of 365 days1918: 364 of 365 days1919: 334 of 365 days1920: 366 of 366 days1921: 365 of 365 days1922: 365 of 365 days1923: 365 of 365 days1924: 366 of 366 days1925: 365 of 365 days1926: 363 of 365 days1927: 364 of 365 days1928: 366 of 366 days1929: 365 of 365 days1930: 365 of 365 days1931: 364 of 365 days1932: 366 of 366 days1933: 365 of 365 days1934: 365 of 365 days1935: 365 of 365 days1936: 362 of 366 days1937: 365 of 365 days1938: 360 of 365 days1939: 365 of 365 days1940: 366 of 366 days1941: 364 of 365 days1942: 364 of 365 days1943: 364 of 365 days1944: 366 of 366 days1945: 363 of 365 days1946: 365 of 365 days1947: 352 of 365 days1948: 331 of 366 days1949: 365 of 365 days1950: 365 of 365 days1951: 365 of 365 days1952: 343 of 366 days1953: 348 of 365 days1954: 362 of 365 days1955: 361 of 365 days1956: 366 of 366 days1957: 365 of 365 days1958: 365 of 365 days1959: 365 of 365 days1960: 366 of 366 days1961: 365 of 365 days1962: 364 of 365 days1963: 365 of 365 days1964: 362 of 366 days1965: 365 of 365 days1966: 337 of 365 days1967: 355 of 365 days1968: 364 of 366 days1969: 360 of 365 days1970: 364 of 365 days1971: 311 of 365 days1972: 364 of 366 days1973: 363 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 364 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 365 of 366 days1981: 364 of 365 days1982: 334 of 365 days1983: 358 of 365 days1984: 361 of 366 days1985: 360 of 365 days1986: 354 of 365 days1987: 363 of 365 days1988: 210 of 366 days1989: 272 of 365 days1990: 361 of 365 days1993: 28 of 365 days1994: 340 of 365 days1995: 345 of 365 days1996: 339 of 366 days1997: 319 of 365 days1998: 350 of 365 days1999: 361 of 365 days2000: 364 of 366 days2001: 344 of 365 days2002: 365 of 365 days2003: 365 of 365 days2004: 365 of 366 days2005: 339 of 365 days2006: 357 of 365 days2007: 364 of 365 days2008: 335 of 366 days2009: 348 of 365 days2010: 359 of 365 days2011: 364 of 365 days2012: 335 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 339 of 366 days2017: 352 of 365 days2018: 365 of 365 days2019: 333 of 365 days2020: 274 of 366 days2021: 245 of 365 days2022: 355 of 365 days2023: 334 of 365 days2024: 121 of 366 days2025: 62 of 365 days1900192019401960198020002020
129 years of record at Berkeley, 1893 to 2025. 13 years have data for under 90 percent of days and are left out of rankings: 1902, 1907, 1916, 1917, 1971, 1988, 1989, 1993 and others.
Days with data per year at Berkeley
YearDays with dataShare of yearComplete
1893365100%Yes
1894364100%Yes
1895364100%Yes
1896366100%Yes
1897365100%Yes
1898365100%Yes
189936399%Yes
190033391%Yes
190133492%Yes
1902308%No
190533592%Yes
190636299%Yes
190721258%No
1908366100%Yes
1909364100%Yes
191036299%Yes
191133592%Yes
191236499%Yes
191335998%Yes
1914364100%Yes
1915364100%Yes
191632990%No
191730383%No
1918364100%Yes
191933492%Yes
1920366100%Yes
1921365100%Yes
1922365100%Yes
1923365100%Yes
1924366100%Yes
1925365100%Yes
192636399%Yes
1927364100%Yes
1928366100%Yes
1929365100%Yes
1930365100%Yes
1931364100%Yes
1932366100%Yes
1933365100%Yes
1934365100%Yes
1935365100%Yes
193636299%Yes
1937365100%Yes
193836099%Yes
1939365100%Yes
1940366100%Yes
1941364100%Yes
1942364100%Yes
1943364100%Yes
1944366100%Yes
194536399%Yes
1946365100%Yes
194735296%Yes
194833190%Yes
1949365100%Yes
1950365100%Yes
1951365100%Yes
195234394%Yes
195334895%Yes
195436299%Yes
195536199%Yes
1956366100%Yes
1957365100%Yes
1958365100%Yes
1959365100%Yes
1960366100%Yes
1961365100%Yes
1962364100%Yes
1963365100%Yes
196436299%Yes
1965365100%Yes
196633792%Yes
196735597%Yes
196836499%Yes
196936099%Yes
1970364100%Yes
197131185%No
197236499%Yes
197336399%Yes
1974365100%Yes
1975365100%Yes
197636499%Yes
1977365100%Yes
1978365100%Yes
1979365100%Yes
1980365100%Yes
1981364100%Yes
198233492%Yes
198335898%Yes
198436199%Yes
198536099%Yes
198635497%Yes
198736399%Yes
198821057%No
198927275%No
199036199%Yes
1993288%No
199434093%Yes
199534595%Yes
199633993%Yes
199731987%No
199835096%Yes
199936199%Yes
200036499%Yes
200134494%Yes
2002365100%Yes
2003365100%Yes
2004365100%Yes
200533993%Yes
200635798%Yes
2007364100%Yes
200833592%Yes
200934895%Yes
201035998%Yes
2011364100%Yes
201233592%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
201633993%Yes
201735296%Yes
2018365100%Yes
201933391%Yes
202027475%No
202124567%No
202235597%Yes
202333492%Yes
202412133%No
20256217%No

Latest Records

20
Latest records at Berkeley
DateStationRecordValueBeat old record byOld record stoodSignificance
31 August 2025Berkeley, USdaily high max32.2 C (90.0 F)0.5 C (0.9 F)78 years34 of 100 (Routine)
29 January 2024Berkeley, USdaily high max22.8 C (73.0 F)1.7 C (3.1 F)124 years45 of 100 (Notable)
28 January 2024Berkeley, USdaily high min (Tie)12.8 C (55.0 F)tie28 years4 of 100 (Routine)
28 December 2023Berkeley, USdaily high min (Tie)13.3 C (55.9 F)tie77 years8 of 100 (Routine)
19 December 2023Berkeley, USdaily high min14.4 C (57.9 F)1.1 C (2.0 F)53 years29 of 100 (Routine)
17 December 2023Berkeley, USdaily high min (Tie)11.7 C (53.1 F)tie93 years9 of 100 (Routine)
5 November 2023Berkeley, USdaily high min (Tie)14.4 C (57.9 F)tie124 years10 of 100 (Routine)
7 October 2023Berkeley, USdaily high max33.3 C (91.9 F)1.1 C (2.0 F)72 years33 of 100 (Routine)
7 October 2023Berkeley, USdaily high min (Tie)17.2 C (63.0 F)tie50 years6 of 100 (Routine)
6 October 2023Berkeley, USdaily high max34.4 C (93.9 F)1.6 C (2.9 F)104 years43 of 100 (Notable)
6 October 2023Berkeley, USdaily high min18.9 C (66.0 F)1.1 C (2.0 F)92 years42 of 100 (Notable)
5 October 2023Berkeley, USdaily high max35.6 C (96.1 F)0.6 C (1.1 F)36 years21 of 100 (Routine)
5 October 2023Berkeley, USdaily high min (Tie)18.3 C (64.9 F)tie36 years5 of 100 (Routine)
23 August 2023Berkeley, USdaily high max32.8 C (91.0 F)2.8 C (5.0 F)24 years25 of 100 (Routine)
22 August 2023Berkeley, USdaily high min17.2 C (63.0 F)1.1 C (2.0 F)50 years33 of 100 (Routine)
21 August 2023Berkeley, USdaily high min (Tie)16.1 C (61.0 F)tie46 years6 of 100 (Routine)
20 August 2023Berkeley, USdaily high max31.1 C (88.0 F)1.7 C (3.1 F)2 years15 of 100 (Routine)
20 August 2023Berkeley, USdaily high min (Tie)15.0 C (59.0 F)tie50 years6 of 100 (Routine)
29 March 2023Berkeley, USdaily low max10.0 C (50.0 F)1.1 C (2.0 F)40 years24 of 100 (Routine)
28 March 2023Berkeley, USdaily low max9.4 C (48.9 F)1.7 C (3.1 F)84 years39 of 100 (Notable)

Climate Trend

96 complete years, 1893 to 2022
Annual mean temperature at Berkeley as warming stripes, 1893 to 2022 One stripe for each of 96 complete years at Berkeley, 1893 to 2022. Blue stripes are years cooler than the station's own mean of 14.0 C (57.3 F); red stripes are warmer. The coolest year was 1893, at 12.9 C (55.2 F), and the warmest was 2014, at 15.9 C (60.7 F). The strongest colour marks a difference of 1.9 C (3.4 F). 1893: 12.9 C, -1.1 C from the station mean1894: 13.1 C, -0.9 C from the station mean1895: 13.5 C, -0.5 C from the station mean1896: 13.8 C, -0.3 C from the station mean1897: 13.2 C, -0.8 C from the station mean1898: 13.2 C, -0.8 C from the station mean1899: 13.3 C, -0.7 C from the station mean1906: 14.0 C, -0.1 C from the station mean1909: 13.3 C, -0.7 C from the station mean1910: 13.0 C, -1.1 C from the station mean1912: 13.8 C, -0.3 C from the station mean1913: 14.0 C, 0.0 C from the station mean1914: 14.0 C, -0.1 C from the station mean1915: 14.2 C, +0.2 C from the station mean1918: 13.9 C, -0.1 C from the station mean1920: 13.7 C, -0.4 C from the station mean1921: 14.1 C, +0.1 C from the station mean1922: 13.4 C, -0.7 C from the station mean1923: 14.1 C, +0.1 C from the station mean1924: 13.0 C, -1.0 C from the station mean1925: 13.7 C, -0.4 C from the station mean1926: 14.3 C, +0.3 C from the station mean1927: 13.7 C, -0.4 C from the station mean1928: 13.4 C, -0.6 C from the station mean1929: 13.8 C, -0.3 C from the station mean1930: 13.9 C, -0.1 C from the station mean1931: 14.2 C, +0.2 C from the station mean1932: 13.5 C, -0.5 C from the station mean1933: 13.1 C, -0.9 C from the station mean1934: 14.5 C, +0.5 C from the station mean1935: 13.4 C, -0.7 C from the station mean1936: 14.3 C, +0.3 C from the station mean1937: 13.4 C, -0.6 C from the station mean1938: 13.6 C, -0.4 C from the station mean1939: 14.1 C, 0.0 C from the station mean1940: 14.3 C, +0.3 C from the station mean1941: 14.6 C, +0.5 C from the station mean1942: 13.6 C, -0.4 C from the station mean1943: 14.4 C, +0.4 C from the station mean1944: 13.5 C, -0.5 C from the station mean1945: 13.8 C, -0.3 C from the station mean1946: 13.4 C, -0.6 C from the station mean1947: 14.7 C, +0.6 C from the station mean1949: 13.7 C, -0.4 C from the station mean1950: 14.1 C, 0.0 C from the station mean1951: 13.5 C, -0.5 C from the station mean1953: 14.4 C, +0.3 C from the station mean1954: 14.2 C, +0.2 C from the station mean1955: 13.3 C, -0.7 C from the station mean1956: 13.8 C, -0.2 C from the station mean1957: 14.3 C, +0.3 C from the station mean1958: 15.0 C, +1.0 C from the station mean1959: 15.2 C, +1.1 C from the station mean1960: 13.8 C, -0.2 C from the station mean1961: 13.8 C, -0.2 C from the station mean1962: 13.4 C, -0.6 C from the station mean1963: 13.8 C, -0.3 C from the station mean1964: 13.5 C, -0.6 C from the station mean1965: 13.2 C, -0.9 C from the station mean1967: 13.8 C, -0.2 C from the station mean1968: 13.9 C, -0.1 C from the station mean1969: 14.0 C, -0.1 C from the station mean1970: 14.6 C, +0.6 C from the station mean1972: 13.8 C, -0.2 C from the station mean1973: 14.2 C, +0.1 C from the station mean1974: 13.7 C, -0.3 C from the station mean1975: 13.3 C, -0.7 C from the station mean1976: 14.6 C, +0.6 C from the station mean1977: 13.8 C, -0.2 C from the station mean1978: 14.3 C, +0.2 C from the station mean1979: 14.8 C, +0.7 C from the station mean1980: 14.2 C, +0.1 C from the station mean1981: 14.5 C, +0.5 C from the station mean1983: 14.6 C, +0.5 C from the station mean1984: 14.1 C, +0.1 C from the station mean1985: 13.2 C, -0.8 C from the station mean1986: 14.5 C, +0.4 C from the station mean1987: 14.6 C, +0.5 C from the station mean1990: 14.2 C, +0.2 C from the station mean1995: 15.0 C, +1.0 C from the station mean1996: 14.7 C, +0.7 C from the station mean1999: 13.9 C, -0.2 C from the station mean2000: 14.5 C, +0.5 C from the station mean2002: 14.1 C, +0.1 C from the station mean2003: 14.9 C, +0.9 C from the station mean2004: 15.0 C, +0.9 C from the station mean2006: 14.4 C, +0.4 C from the station mean2007: 14.3 C, +0.2 C from the station mean2010: 14.1 C, +0.1 C from the station mean2011: 14.0 C, 0.0 C from the station mean2013: 14.7 C, +0.7 C from the station mean2014: 15.9 C, +1.9 C from the station mean2015: 15.8 C, +1.8 C from the station mean2017: 15.4 C, +1.4 C from the station mean2018: 14.9 C, +0.8 C from the station mean2022: 15.5 C, +1.4 C from the station mean18931900191019201930194019501960197019801990200020102020
One stripe for each of 96 complete years at Berkeley, 1893 to 2022. Blue stripes are years cooler than the station's own mean of 14.0 C (57.3 F); red stripes are warmer. The coolest year was 1893, at 12.9 C (55.2 F), and the warmest was 2014, at 15.9 C (60.7 F). The strongest colour marks a difference of 1.9 C (3.4 F).
Annual mean temperature at Berkeley as warming stripes, 1893 to 2022
YearAnnual mean temperatureDifference from the station mean
189312.9 C-1.13 C
189413.1 C-0.90 C
189513.5 C-0.49 C
189613.8 C-0.26 C
189713.2 C-0.80 C
189813.2 C-0.81 C
189913.3 C-0.74 C
190614.0 C-0.07 C
190913.3 C-0.74 C
191013.0 C-1.08 C
191213.8 C-0.25 C
191314.0 C-0.01 C
191414.0 C-0.06 C
191514.2 C+0.18 C
191813.9 C-0.09 C
192013.7 C-0.36 C
192114.1 C+0.07 C
192213.4 C-0.67 C
192314.1 C+0.07 C
192413.0 C-0.99 C
192513.7 C-0.38 C
192614.3 C+0.31 C
192713.7 C-0.36 C
192813.4 C-0.61 C
192913.8 C-0.25 C
193013.9 C-0.13 C
193114.2 C+0.19 C
193213.5 C-0.49 C
193313.1 C-0.94 C
193414.5 C+0.50 C
193513.4 C-0.67 C
193614.3 C+0.29 C
193713.4 C-0.60 C
193813.6 C-0.43 C
193914.1 C+0.02 C
194014.3 C+0.31 C
194114.6 C+0.54 C
194213.6 C-0.39 C
194314.4 C+0.38 C
194413.5 C-0.54 C
194513.8 C-0.27 C
194613.4 C-0.60 C
194714.7 C+0.64 C
194913.7 C-0.36 C
195014.1 C+0.03 C
195113.5 C-0.53 C
195314.4 C+0.32 C
195414.2 C+0.21 C
195513.3 C-0.72 C
195613.8 C-0.23 C
195714.3 C+0.30 C
195815.0 C+0.99 C
195915.2 C+1.15 C
196013.8 C-0.21 C
196113.8 C-0.23 C
196213.4 C-0.59 C
196313.8 C-0.27 C
196413.5 C-0.56 C
196513.2 C-0.88 C
196713.8 C-0.23 C
196813.9 C-0.13 C
196914.0 C-0.05 C
197014.6 C+0.57 C
197213.8 C-0.19 C
197314.2 C+0.14 C
197413.7 C-0.30 C
197513.3 C-0.74 C
197614.6 C+0.57 C
197713.8 C-0.22 C
197814.3 C+0.24 C
197914.8 C+0.72 C
198014.2 C+0.13 C
198114.5 C+0.46 C
198314.6 C+0.53 C
198414.1 C+0.11 C
198513.2 C-0.81 C
198614.5 C+0.44 C
198714.6 C+0.55 C
199014.2 C+0.17 C
199515.0 C+1.00 C
199614.7 C+0.67 C
199913.9 C-0.18 C
200014.5 C+0.46 C
200214.1 C+0.06 C
200314.9 C+0.88 C
200415.0 C+0.93 C
200614.4 C+0.38 C
200714.3 C+0.25 C
201014.1 C+0.09 C
201114.0 C0.00 C
201314.7 C+0.71 C
201415.9 C+1.90 C
201515.8 C+1.77 C
201715.4 C+1.40 C
201814.9 C+0.84 C
202215.5 C+1.42 C

The annual mean temperature here has risen by 0.1 C (0.1 to 0.1) per decade over 1893 to 2022. In Fahrenheit: 0.2 F (0.2 to 0.3) per decade. The slope is a straight line fitted to 96 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Berkeley
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.1 C (0.1 to 0.1) per decade0.2 F (0.2 to 0.3) per decade1893 to 202296Rise
Mean daily maximum0.2 C (0.1 to 0.2) per decade0.3 F (0.3 to 0.4) per decade1893 to 202296Rise
Mean daily minimum0.04 C (0.00 to 0.08) per decade0.07 F (0.00 to 0.14) per decade1893 to 202296Not clearly different from zero

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1893 to 2025
Yearly extremes at Berkeley: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.7 C (107.1 F)200033.9 C (93.0 F)129
Coldest night (TNn)-4.4 C (24.1 F)19900.6 C (33.1 F)129
Wettest day (Rx1day)177.3 mm (7.0 in)198252.0 mm (2.0 in)126
Wettest five days (Rx5day)213.6 mm (8.4 in)1955104.6 mm (4.1 in)126
Longest dry spell (CDD)186 days1924109 days126

Hottest day (TXx)

Hottest day (TXx) at Berkeley by year The hottest day of the year at Berkeley, 1893 to 2025. The record is 41.7 C (107.1 F) in 2000, marked on the chart; the median year is 33.9 C (93.0 F). 10203040501900192019401960198020002020Record: 41.7 C (107.1 F) in 2000
The hottest day of the year at Berkeley, 1893 to 2025. The record is 41.7 C (107.1 F) in 2000, marked on the chart; the median year is 33.9 C (93.0 F).
Hottest day (TXx) at Berkeley by year
YearHottest day (TXx)
189332.8 C (91.0 F)
189433.3 C (91.9 F)
189532.2 C (90.0 F)
189633.9 C (93.0 F)
189732.8 C (91.0 F)
189834.4 C (93.9 F)
189934.4 C (93.9 F)
190033.3 C (91.9 F)
190131.7 C (89.1 F)
190224.4 C (75.9 F)
190536.1 C (97.0 F)
190631.1 C (88.0 F)
190730.0 C (86.0 F)
190830.6 C (87.1 F)
190933.9 C (93.0 F)
191031.7 C (89.1 F)
191130.0 C (86.0 F)
191238.3 C (100.9 F)
191341.1 C (106.0 F)
191434.4 C (93.9 F)
191532.2 C (90.0 F)
191633.3 C (91.9 F)
191733.3 C (91.9 F)
191832.8 C (91.0 F)
191938.3 C (100.9 F)
192036.1 C (97.0 F)
192136.7 C (98.1 F)
192235.6 C (96.1 F)
192333.9 C (93.0 F)
192432.8 C (91.0 F)
192533.3 C (91.9 F)
192631.7 C (89.1 F)
192731.1 C (88.0 F)
192835.0 C (95.0 F)
192933.9 C (93.0 F)
193031.1 C (88.0 F)
193133.3 C (91.9 F)
193234.4 C (93.9 F)
193332.8 C (91.0 F)
193432.2 C (90.0 F)
193530.0 C (86.0 F)
193632.2 C (90.0 F)
193732.2 C (90.0 F)
193829.4 C (84.9 F)
193936.7 C (98.1 F)
194030.6 C (87.1 F)
194132.2 C (90.0 F)
194232.2 C (90.0 F)
194335.0 C (95.0 F)
194434.4 C (93.9 F)
194531.1 C (88.0 F)
194632.2 C (90.0 F)
194733.3 C (91.9 F)
194831.7 C (89.1 F)
194935.6 C (96.1 F)
195035.6 C (96.1 F)
195132.8 C (91.0 F)
195234.4 C (93.9 F)
195334.4 C (93.9 F)
195434.4 C (93.9 F)
195532.2 C (90.0 F)
195634.4 C (93.9 F)
195732.2 C (90.0 F)
195833.9 C (93.0 F)
195934.4 C (93.9 F)
196038.9 C (102.0 F)
196137.2 C (99.0 F)
196231.7 C (89.1 F)
196331.1 C (88.0 F)
196432.8 C (91.0 F)
196530.0 C (86.0 F)
196633.9 C (93.0 F)
196732.8 C (91.0 F)
196836.7 C (98.1 F)
196929.4 C (84.9 F)
197035.6 C (96.1 F)
197139.4 C (102.9 F)
197235.0 C (95.0 F)
197334.4 C (93.9 F)
197432.2 C (90.0 F)
197535.0 C (95.0 F)
197639.4 C (102.9 F)
197732.2 C (90.0 F)
197833.9 C (93.0 F)
197937.2 C (99.0 F)
198037.2 C (99.0 F)
198135.0 C (95.0 F)
198231.7 C (89.1 F)
198335.0 C (95.0 F)
198436.7 C (98.1 F)
198535.0 C (95.0 F)
198630.6 C (87.1 F)
198735.0 C (95.0 F)
198836.1 C (97.0 F)
198935.0 C (95.0 F)
199031.7 C (89.1 F)
199316.1 C (61.0 F)
199432.8 C (91.0 F)
199535.0 C (95.0 F)
199631.7 C (89.1 F)
199735.0 C (95.0 F)
199834.4 C (93.9 F)
199933.3 C (91.9 F)
200041.7 C (107.1 F)
200138.3 C (100.9 F)
200235.0 C (95.0 F)
200338.3 C (100.9 F)
200436.7 C (98.1 F)
200533.3 C (91.9 F)
200637.2 C (99.0 F)
200732.8 C (91.0 F)
200838.9 C (102.0 F)
200936.7 C (98.1 F)
201040.0 C (104.0 F)
201133.9 C (93.0 F)
201236.1 C (97.0 F)
201332.8 C (91.0 F)
201435.0 C (95.0 F)
201537.2 C (99.0 F)
201635.6 C (96.1 F)
201740.6 C (105.1 F)
201832.2 C (90.0 F)
201939.4 C (102.9 F)
202040.0 C (104.0 F)
202132.2 C (90.0 F)
202241.1 C (106.0 F)
202335.6 C (96.1 F)
202425.6 C (78.1 F)
202532.2 C (90.0 F)

Coldest night (TNn)

Coldest night (TNn) at Berkeley by year The coldest night of the year at Berkeley, 1893 to 2025. The record is -4.4 C (24.1 F) in 1990, marked on the chart; the median year is 0.6 C (33.1 F). -50510151900192019401960198020002020Record: -4.4 C (24.1 F) in 1990
The coldest night of the year at Berkeley, 1893 to 2025. The record is -4.4 C (24.1 F) in 1990, marked on the chart; the median year is 0.6 C (33.1 F).
Coldest night (TNn) at Berkeley by year
YearColdest night (TNn)
18930.0 C (32.0 F)
1894-0.6 C (30.9 F)
18951.1 C (34.0 F)
18961.1 C (34.0 F)
18971.7 C (35.1 F)
18980.6 C (33.1 F)
1899-1.1 C (30.0 F)
19001.1 C (34.0 F)
19010.0 C (32.0 F)
19025.6 C (42.1 F)
1905-1.7 C (28.9 F)
19060.6 C (33.1 F)
19071.1 C (34.0 F)
19080.0 C (32.0 F)
19091.1 C (34.0 F)
1910-1.1 C (30.0 F)
19110.0 C (32.0 F)
19121.1 C (34.0 F)
1913-2.2 C (28.0 F)
19140.6 C (33.1 F)
1915-1.1 C (30.0 F)
19160.0 C (32.0 F)
1917-1.1 C (30.0 F)
1918-1.1 C (30.0 F)
1919-1.1 C (30.0 F)
1920-2.2 C (28.0 F)
19210.6 C (33.1 F)
1922-2.2 C (28.0 F)
1923-1.1 C (30.0 F)
1924-2.2 C (28.0 F)
19252.2 C (36.0 F)
19260.6 C (33.1 F)
19272.2 C (36.0 F)
19281.1 C (34.0 F)
19290.0 C (32.0 F)
19300.0 C (32.0 F)
19311.7 C (35.1 F)
1932-3.3 C (26.1 F)
19330.0 C (32.0 F)
19343.3 C (37.9 F)
19350.6 C (33.1 F)
19362.2 C (36.0 F)
1937-3.9 C (25.0 F)
19383.3 C (37.9 F)
19391.7 C (35.1 F)
19402.2 C (36.0 F)
19412.8 C (37.0 F)
19421.1 C (34.0 F)
19430.0 C (32.0 F)
19443.9 C (39.0 F)
19452.2 C (36.0 F)
19461.7 C (35.1 F)
19470.6 C (33.1 F)
1948-1.1 C (30.0 F)
1949-2.8 C (27.0 F)
1950-1.1 C (30.0 F)
19511.1 C (34.0 F)
19520.0 C (32.0 F)
19531.7 C (35.1 F)
19541.1 C (34.0 F)
19550.6 C (33.1 F)
19561.7 C (35.1 F)
19570.0 C (32.0 F)
19583.9 C (39.0 F)
19592.2 C (36.0 F)
19600.6 C (33.1 F)
1961-1.1 C (30.0 F)
1962-1.1 C (30.0 F)
19630.6 C (33.1 F)
19642.2 C (36.0 F)
1965-2.8 C (27.0 F)
19660.0 C (32.0 F)
19671.7 C (35.1 F)
1968-0.6 C (30.9 F)
19690.6 C (33.1 F)
19703.3 C (37.9 F)
1971-0.6 C (30.9 F)
1972-3.9 C (25.0 F)
19732.2 C (36.0 F)
19741.7 C (35.1 F)
19751.1 C (34.0 F)
19760.6 C (33.1 F)
19772.2 C (36.0 F)
19780.0 C (32.0 F)
19793.3 C (37.9 F)
19801.1 C (34.0 F)
19813.3 C (37.9 F)
19821.7 C (35.1 F)
19832.8 C (37.0 F)
19840.0 C (32.0 F)
19850.0 C (32.0 F)
19863.9 C (39.0 F)
19871.7 C (35.1 F)
19883.9 C (39.0 F)
19893.3 C (37.9 F)
1990-4.4 C (24.1 F)
19931.7 C (35.1 F)
19943.9 C (39.0 F)
19953.9 C (39.0 F)
19962.8 C (37.0 F)
1997-0.6 C (30.9 F)
1998-2.8 C (27.0 F)
19990.0 C (32.0 F)
20002.8 C (37.0 F)
20011.7 C (35.1 F)
20020.0 C (32.0 F)
20031.1 C (34.0 F)
20040.6 C (33.1 F)
20053.3 C (37.9 F)
20060.6 C (33.1 F)
2007-1.7 C (28.9 F)
20081.1 C (34.0 F)
2009-0.6 C (30.9 F)
20101.1 C (34.0 F)
2011-1.1 C (30.0 F)
20120.6 C (33.1 F)
2013-1.1 C (30.0 F)
20142.8 C (37.0 F)
20150.6 C (33.1 F)
20160.6 C (33.1 F)
20171.1 C (34.0 F)
20180.6 C (33.1 F)
20190.6 C (33.1 F)
20202.2 C (36.0 F)
20212.8 C (37.0 F)
20222.2 C (36.0 F)
20231.1 C (34.0 F)
20243.3 C (37.9 F)
202511.7 C (53.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Berkeley by year The wettest day of the year at Berkeley, 1893 to 2025. The record is 177.3 mm (7.0 in) in 1982, marked on the chart; the median year is 52.0 mm (2.0 in). 0501001502001900192019401960198020002020Record: 177.3 mm (7.0 in) in 1982
The wettest day of the year at Berkeley, 1893 to 2025. The record is 177.3 mm (7.0 in) in 1982, marked on the chart; the median year is 52.0 mm (2.0 in).
Wettest day (Rx1day) at Berkeley by year
YearWettest day (Rx1day)
189351.8 mm (2.0 in)
189494.0 mm (3.7 in)
189555.9 mm (2.2 in)
189663.2 mm (2.5 in)
189751.8 mm (2.0 in)
189826.9 mm (1.1 in)
189981.8 mm (3.2 in)
190050.5 mm (2.0 in)
190152.3 mm (2.1 in)
190210.9 mm (0.4 in)
190554.9 mm (2.2 in)
190645.2 mm (1.8 in)
190758.7 mm (2.3 in)
190847.0 mm (1.9 in)
190959.4 mm (2.3 in)
191032.0 mm (1.3 in)
191180.5 mm (3.2 in)
191260.7 mm (2.4 in)
191335.6 mm (1.4 in)
191457.9 mm (2.3 in)
191582.3 mm (3.2 in)
191689.4 mm (3.5 in)
191754.9 mm (2.2 in)
191852.6 mm (2.1 in)
191968.6 mm (2.7 in)
192024.4 mm (1.0 in)
192150.8 mm (2.0 in)
192253.3 mm (2.1 in)
192332.5 mm (1.3 in)
192434.3 mm (1.4 in)
192543.4 mm (1.7 in)
192651.3 mm (2.0 in)
192742.9 mm (1.7 in)
192842.2 mm (1.7 in)
192929.2 mm (1.1 in)
193026.9 mm (1.1 in)
193158.2 mm (2.3 in)
193226.7 mm (1.1 in)
193338.9 mm (1.5 in)
193441.4 mm (1.6 in)
193549.8 mm (2.0 in)
193644.2 mm (1.7 in)
193748.8 mm (1.9 in)
193835.6 mm (1.4 in)
193957.9 mm (2.3 in)
194064.5 mm (2.5 in)
194152.1 mm (2.1 in)
194247.0 mm (1.9 in)
194360.5 mm (2.4 in)
194438.4 mm (1.5 in)
194568.6 mm (2.7 in)
194651.1 mm (2.0 in)
194738.6 mm (1.5 in)
194837.6 mm (1.5 in)
194935.3 mm (1.4 in)
195064.3 mm (2.5 in)
195164.3 mm (2.5 in)
195255.1 mm (2.2 in)
195341.4 mm (1.6 in)
195437.3 mm (1.5 in)
195573.9 mm (2.9 in)
195636.1 mm (1.4 in)
195750.5 mm (2.0 in)
195861.7 mm (2.4 in)
195964.0 mm (2.5 in)
196024.6 mm (1.0 in)
196134.0 mm (1.3 in)
196277.0 mm (3.0 in)
196352.1 mm (2.1 in)
196441.7 mm (1.6 in)
196531.0 mm (1.2 in)
196638.9 mm (1.5 in)
1967100.6 mm (4.0 in)
196854.4 mm (2.1 in)
196977.7 mm (3.1 in)
197059.2 mm (2.3 in)
197133.0 mm (1.3 in)
197249.8 mm (2.0 in)
197378.2 mm (3.1 in)
197459.2 mm (2.3 in)
197539.9 mm (1.6 in)
197649.0 mm (1.9 in)
197786.6 mm (3.4 in)
197839.4 mm (1.6 in)
197958.4 mm (2.3 in)
198055.6 mm (2.2 in)
198161.2 mm (2.4 in)
1982177.3 mm (7.0 in)
198348.0 mm (1.9 in)
198436.1 mm (1.4 in)
198560.2 mm (2.4 in)
198666.0 mm (2.6 in)
198776.7 mm (3.0 in)
198842.9 mm (1.7 in)
198942.7 mm (1.7 in)
199039.6 mm (1.6 in)
199324.1 mm (0.9 in)
199498.8 mm (3.9 in)
199595.8 mm (3.8 in)
199664.3 mm (2.5 in)
199770.6 mm (2.8 in)
199872.9 mm (2.9 in)
199940.4 mm (1.6 in)
200081.3 mm (3.2 in)
200153.1 mm (2.1 in)
2002120.1 mm (4.7 in)
200375.9 mm (3.0 in)
200460.2 mm (2.4 in)
200572.1 mm (2.8 in)
200642.4 mm (1.7 in)
200735.8 mm (1.4 in)
200846.7 mm (1.8 in)
200999.8 mm (3.9 in)
201045.5 mm (1.8 in)
201140.4 mm (1.6 in)
201276.7 mm (3.0 in)
201331.2 mm (1.2 in)
2014104.1 mm (4.1 in)
201537.8 mm (1.5 in)
201668.6 mm (2.7 in)
201768.8 mm (2.7 in)
201875.4 mm (3.0 in)
201968.1 mm (2.7 in)
202030.2 mm (1.2 in)
202121.1 mm (0.8 in)
20220.0 mm (0.00 in)
2023n/a
2024n/a
2025n/a

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Berkeley by year The wettest five days of the year at Berkeley, 1893 to 2025. The record is 213.6 mm (8.4 in) in 1955, marked on the chart; the median year is 104.6 mm (4.1 in). 01002003001900192019401960198020002020Record: 213.6 mm (8.4 in) in 1955
The wettest five days of the year at Berkeley, 1893 to 2025. The record is 213.6 mm (8.4 in) in 1955, marked on the chart; the median year is 104.6 mm (4.1 in).
Wettest five days (Rx5day) at Berkeley by year
YearWettest five days (Rx5day)
1893106.2 mm (4.2 in)
1894150.6 mm (5.9 in)
189567.5 mm (2.7 in)
1896146.0 mm (5.7 in)
189792.1 mm (3.6 in)
189850.5 mm (2.0 in)
1899199.7 mm (7.9 in)
1900107.1 mm (4.2 in)
190191.6 mm (3.6 in)
190215.0 mm (0.6 in)
190567.1 mm (2.6 in)
1906119.3 mm (4.7 in)
1907133.1 mm (5.2 in)
190882.1 mm (3.2 in)
1909122.0 mm (4.8 in)
191062.0 mm (2.4 in)
1911147.5 mm (5.8 in)
191282.5 mm (3.2 in)
191368.6 mm (2.7 in)
1914118.1 mm (4.6 in)
191581.8 mm (3.2 in)
1916147.9 mm (5.8 in)
1917115.7 mm (4.6 in)
191870.4 mm (2.8 in)
1919164.4 mm (6.5 in)
192053.8 mm (2.1 in)
1921145.7 mm (5.7 in)
1922108.8 mm (4.3 in)
192359.7 mm (2.4 in)
192480.5 mm (3.2 in)
1925120.6 mm (4.7 in)
1926111.5 mm (4.4 in)
192774.4 mm (2.9 in)
192882.3 mm (3.2 in)
192957.2 mm (2.3 in)
193050.8 mm (2.0 in)
1931114.1 mm (4.5 in)
193259.5 mm (2.3 in)
193377.7 mm (3.1 in)
193485.0 mm (3.3 in)
193581.3 mm (3.2 in)
1936105.6 mm (4.2 in)
1937120.5 mm (4.7 in)
1938115.3 mm (4.5 in)
193975.2 mm (3.0 in)
1940187.5 mm (7.4 in)
1941107.6 mm (4.2 in)
1942102.4 mm (4.0 in)
1943141.5 mm (5.6 in)
194482.4 mm (3.2 in)
1945107.6 mm (4.2 in)
194676.0 mm (3.0 in)
194768.4 mm (2.7 in)
194854.4 mm (2.1 in)
194952.5 mm (2.1 in)
1950163.1 mm (6.4 in)
1951110.9 mm (4.4 in)
1952110.5 mm (4.4 in)
195359.4 mm (2.3 in)
195484.4 mm (3.3 in)
1955213.6 mm (8.4 in)
195675.7 mm (3.0 in)
195772.4 mm (2.9 in)
1958142.5 mm (5.6 in)
195987.6 mm (3.4 in)
196053.6 mm (2.1 in)
1961103.7 mm (4.1 in)
1962178.3 mm (7.0 in)
1963129.1 mm (5.1 in)
1964111.3 mm (4.4 in)
196588.3 mm (3.5 in)
196685.4 mm (3.4 in)
1967184.4 mm (7.3 in)
196886.7 mm (3.4 in)
1969141.5 mm (5.6 in)
1970124.5 mm (4.9 in)
197164.5 mm (2.5 in)
197292.0 mm (3.6 in)
1973158.1 mm (6.2 in)
197489.4 mm (3.5 in)
197565.8 mm (2.6 in)
197660.4 mm (2.4 in)
197789.8 mm (3.5 in)
1978120.1 mm (4.7 in)
1979125.8 mm (5.0 in)
1980127.0 mm (5.0 in)
1981135.7 mm (5.3 in)
1982209.7 mm (8.3 in)
1983105.4 mm (4.1 in)
198469.3 mm (2.7 in)
198575.7 mm (3.0 in)
1986208.7 mm (8.2 in)
1987118.8 mm (4.7 in)
198860.6 mm (2.4 in)
198962.0 mm (2.4 in)
199083.2 mm (3.3 in)
199357.7 mm (2.3 in)
1994157.3 mm (6.2 in)
1995160.4 mm (6.3 in)
199695.6 mm (3.8 in)
1997133.3 mm (5.2 in)
1998169.4 mm (6.7 in)
1999102.6 mm (4.0 in)
2000167.9 mm (6.6 in)
2001125.9 mm (5.0 in)
2002204.1 mm (8.0 in)
200376.5 mm (3.0 in)
2004136.2 mm (5.4 in)
2005134.4 mm (5.3 in)
2006120.9 mm (4.8 in)
200780.0 mm (3.1 in)
200873.4 mm (2.9 in)
2009127.8 mm (5.0 in)
2010142.5 mm (5.6 in)
2011117.4 mm (4.6 in)
2012158.3 mm (6.2 in)
201350.3 mm (2.0 in)
2014164.0 mm (6.5 in)
201571.4 mm (2.8 in)
2016109.2 mm (4.3 in)
2017136.1 mm (5.4 in)
201890.2 mm (3.6 in)
2019113.3 mm (4.5 in)
202037.3 mm (1.5 in)
202155.6 mm (2.2 in)
20220.0 mm (0.00 in)
2023n/a
2024n/a
2025n/a

Longest dry spell (CDD)

Longest dry spell (CDD) at Berkeley by year The longest dry spell of the year at Berkeley, 1893 to 2025. The record is 186 days in 1924, marked on the chart; the median year is 109 days. 0501001502001900192019401960198020002020Record: 186 days in 1924
The longest dry spell of the year at Berkeley, 1893 to 2025. The record is 186 days in 1924, marked on the chart; the median year is 109 days.
Longest dry spell (CDD) at Berkeley by year
YearLongest dry spell (CDD)
1893116 days
189491 days
189531 days
189661 days
189774 days
189837 days
189931 days
190061 days
1901116 days
190212 days
1905141 days
190698 days
190731 days
1908119 days
1909180 days
1910136 days
1911135 days
191268 days
191399 days
1914119 days
191562 days
191655 days
191735 days
191831 days
1919146 days
192099 days
1921110 days
1922114 days
192389 days
1924186 days
192563 days
1926112 days
1927140 days
1928125 days
1929123 days
1930142 days
1931127 days
1932155 days
1933125 days
1934102 days
1935100 days
1936113 days
1937106 days
1938149 days
1939115 days
194095 days
194183 days
1942105 days
1943141 days
1944118 days
1945166 days
1946112 days
194749 days
1948102 days
194972 days
1950155 days
1951109 days
1952100 days
195383 days
195474 days
1955151 days
1956132 days
1957109 days
195860 days
1959143 days
1960133 days
196176 days
1962103 days
196357 days
1964134 days
1965111 days
196652 days
1967118 days
196886 days
1969168 days
1970130 days
1971124 days
1972107 days
1973159 days
1974109 days
197582 days
197665 days
1977119 days
1978135 days
197984 days
1980100 days
1981128 days
198278 days
198388 days
198484 days
198549 days
1986132 days
1987173 days
198855 days
1989103 days
1990114 days
199317 days
1994139 days
1995136 days
1996160 days
199777 days
1998119 days
199968 days
200084 days
200190 days
200295 days
2003175 days
2004113 days
2005117 days
2006135 days
200774 days
2008163 days
2009100 days
2010142 days
201131 days
201256 days
201387 days
2014145 days
201568 days
2016159 days
2017132 days
2018168 days
2019117 days
2020119 days
2021128 days
202290 days
2023n/a
2024n/a
2025n/a

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

102 years, 1906 to 2019

A day with at least 51.3 mm (2.0 in) of rain is expected about once in 2 years. A day with at least 132.1 mm (5.2 in) of rain is expected about once in 100 years.

Rainfall return levels at Berkeley: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years51.3 mm (2.0 in)
5 years70.3 mm (2.8 in)
10 years83.9 mm (3.3 in)
25 years102.2 mm (4.0 in)
50 years116.8 mm (4.6 in)
100 years132.1 mm (5.2 in)

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 102 years of values from 1906 to 2019.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 177.3 mm (7.0 in) in 1982; 120.1 mm (4.7 in) in 2002; 104.1 mm (4.1 in) in 2014.

Station Changes

1 suspected

One change was suspected in the annual mean temperature of Berkeley, at 1981. Each is measured against neighbouring stations.

  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1981 ran 0.3 C (0.6 F) lower than in the years before (likely change).
Suspected changes in the annual mean temperature at Berkeley, against neighbouring stations
YearShift (C)Shift (F)StrengthNeighbours
1981-0.3-0.6likely5

Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.

Download the Data

  • Data for Berkeley standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Berkeley threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).