Built 2026-10-16 (16 October 2026)

Centralia Weather Records (USC00451276)

Record envelope, standing records and threshold days for Centralia (USC00451276), Washington, United States, with 130 years of record.

Key Facts for Centralia

  • Centralia (USC00451276) is a weather station in Washington, United States at 46.72 latitude and -122.95 longitude, 56 m (185 ft) above sea level.
  • The station reports from 1893 to 2022, 130 years of record.
  • 1,464 records set at Centralia still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Centralia set a daily record high maximum temperature of 15.0 C (59.0 F) on 12 January 2022.

About the Station

  • Location: Washington, United States, 46.72 latitude, -122.95 longitude.
  • Elevation: 56 m (185 ft).
  • Period of record: 1893 to 2022, 130 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Centralia, with 2026 drawn through them The band shows the record high and record low for each calendar day at Centralia. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Centralia. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Centralia, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan20.0 C (68.0 F)-20.0 C (-4.0 F)n/an/a
Feb23.9 C (75.0 F)-17.8 C (0.0 F)n/an/a
Mar29.4 C (84.9 F)-10.6 C (12.9 F)n/an/a
Apr33.9 C (93.0 F)-6.7 C (19.9 F)n/an/a
May36.7 C (98.1 F)-2.8 C (27.0 F)n/an/a
Jun41.7 C (107.1 F)-0.6 C (30.9 F)n/an/a
Jul41.7 C (107.1 F)0.6 C (33.1 F)n/an/a
Aug39.4 C (102.9 F)1.7 C (35.1 F)n/an/a
Sep37.8 C (100.0 F)-4.4 C (24.1 F)n/an/a
Oct33.3 C (91.9 F)-6.7 C (19.9 F)n/an/a
Nov23.9 C (75.0 F)-15.0 C (5.0 F)n/an/a
Dec22.8 C (73.0 F)-17.8 C (0.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Centralia by the year they were set 1,464 records at Centralia still stand. 1919 holds the most, with 33. 0102030401893: 41902: 271903: 191904: 11905: 281906: 301907: 111908: 201909: 311910: 201911: 221912: 131913: 211914: 241915: 61916: 271917: 231918: 191919: 331920: 221921: 121922: 181924: 131925: 131926: 181927: 91928: 111929: 121930: 181931: 111932: 121933: 211934: 181935: 271936: 101937: 71938: 141939: 151940: 91941: 131942: 111943: 161944: 151945: 81946: 31947: 131948: 51949: 231950: 291951: 81952: 91953: 31954: 151955: 171956: 121957: 101958: 141959: 71960: 101961: 101962: 101963: 61964: 91965: 71966: 81967: 61968: 91969: 61970: 71971: 81972: 201973: 41974: 41975: 71976: 61977: 121978: 71979: 81980: 121981: 71982: 51983: 61984: 41985: 181986: 121987: 141988: 71989: 101990: 161991: 141992: 141993: 121994: 71995: 101996: 141997: 91998: 111999: 82000: 102001: 62002: 132003: 72004: 122005: 132006: 102007: 32008: 112009: 72010: 42011: 162012: 92013: 62014: 102015: 22016: 82017: 82018: 82019: 62020: 62021: 142022: 11893191419281941195419671980199320062019
1,464 records at Centralia still stand. 1919 holds the most, with 33.
Standing records at Centralia by the year they were set
Year setStanding records
18934
190227
190319
19041
190528
190630
190711
190820
190931
191020
191122
191213
191321
191424
19156
191627
191723
191819
191933
192022
192112
192218
192413
192513
192618
19279
192811
192912
193018
193111
193212
193321
193418
193527
193610
19377
193814
193915
19409
194113
194211
194316
194415
19458
19463
194713
19485
194923
195029
19518
19529
19533
195415
195517
195612
195710
195814
19597
196010
196110
196210
19636
19649
19657
19668
19676
19689
19696
19707
19718
197220
19734
19744
19757
19766
197712
19787
19798
198012
19817
19825
19836
19844
198518
198612
198714
19887
198910
199016
199114
199214
199312
19947
199510
199614
19979
199811
19998
200010
20016
200213
20037
200412
200513
200610
20073
200811
20097
20104
201116
20129
20136
201410
20152
20168
20178
20188
20196
20206
202114
20221

All-Time Record Progression

4 new records
When Centralia set new all-time records 4 all-time records were set at Centralia between 30 December 1968 and 29 July 2009. Each dot is a new record. Record low maximum temperatureRecord daily precipitationRecord high minimum temperatureRecord high maximum temperature30 December 1968: Record low maximum temperature -7.2 C (19.0 F)9 January 1990: Record daily precipitation 104.9 mm (4.1 in)22 July 2006: Record high minimum temperature 22.2 C (72.0 F)29 July 2009: Record high maximum temperature 41.7 C (107.1 F)19701980199020002010
4 all-time records were set at Centralia between 30 December 1968 and 29 July 2009. Each dot is a new record.
When Centralia set new all-time records
DateKindDetail
1968-12-30Record low maximum temperatureRecord low maximum temperature -7.2 C (19.0 F)
1990-01-09Record daily precipitationRecord daily precipitation 104.9 mm (4.1 in)
2006-07-22Record high minimum temperatureRecord high minimum temperature 22.2 C (72.0 F)
2009-07-29Record high maximum temperatureRecord high maximum temperature 41.7 C (107.1 F)

Wettest Day of Each Month

Jan: 104.9 mm (4.1 in)
Record daily precipitation for each month at Centralia The wettest day on record for each calendar month at Centralia. The most was 104.9 mm (4.1 in) on 9 January 1990. 050100150 Jan: 104.9 mm (4.1 in), 9 January 1990 Jan Feb: 84.8 mm (3.3 in), 8 February 1996 Feb Mar: 71.6 mm (2.8 in), 13 March 1908 Mar Apr: 68.8 mm (2.7 in), 4 April 1991 Apr May: 35.1 mm (1.4 in), 5 May 1948 May Jun: 43.2 mm (1.7 in), 7 June 1936 Jun Jul: 41.4 mm (1.6 in), 9 July 1995 Jul Aug: 63.5 mm (2.5 in), 10 August 1912 Aug Sep: 50.8 mm (2.0 in), 18 September 2010 Sep Oct: 81.8 mm (3.2 in), 31 October 1942 Oct Nov: 100.6 mm (4.0 in), 24 November 1990 Nov Dec: 100.3 mm (3.9 in), 9 December 1933 Dec
The wettest day on record for each calendar month at Centralia. The most was 104.9 mm (4.1 in) on 9 January 1990.
Record daily precipitation for each month at Centralia
MonthRecord daily precipitation (mm)Date
Jan104.9 mm (4.1 in)9 January 1990
Feb84.8 mm (3.3 in)8 February 1996
Mar71.6 mm (2.8 in)13 March 1908
Apr68.8 mm (2.7 in)4 April 1991
May35.1 mm (1.4 in)5 May 1948
Jun43.2 mm (1.7 in)7 June 1936
Jul41.4 mm (1.6 in)9 July 1995
Aug63.5 mm (2.5 in)10 August 1912
Sep50.8 mm (2.0 in)18 September 2010
Oct81.8 mm (3.2 in)31 October 1942
Nov100.6 mm (4.0 in)24 November 1990
Dec100.3 mm (3.9 in)9 December 1933

Period of Record Coverage

1893 to 2022
Days with data per year at Centralia 121 years of record at Centralia, 1893 to 2022. 6 years have data for under 90 percent of days and are left out of rankings: 1893, 1904, 1922, 1924, 2004, 2022. 1893: 61 of 365 days1902: 353 of 365 days1903: 363 of 365 days1904: 31 of 366 days1905: 363 of 365 days1906: 364 of 365 days1907: 365 of 365 days1908: 366 of 366 days1909: 364 of 365 days1910: 363 of 365 days1911: 356 of 365 days1912: 365 of 366 days1913: 365 of 365 days1914: 363 of 365 days1915: 364 of 365 days1916: 365 of 366 days1917: 365 of 365 days1918: 365 of 365 days1919: 365 of 365 days1920: 366 of 366 days1921: 365 of 365 days1922: 271 of 365 days1924: 152 of 366 days1925: 346 of 365 days1926: 357 of 365 days1927: 353 of 365 days1928: 361 of 366 days1929: 358 of 365 days1930: 362 of 365 days1931: 364 of 365 days1932: 363 of 366 days1933: 356 of 365 days1934: 363 of 365 days1935: 363 of 365 days1936: 365 of 366 days1937: 361 of 365 days1938: 365 of 365 days1939: 365 of 365 days1940: 366 of 366 days1941: 365 of 365 days1942: 363 of 365 days1943: 364 of 365 days1944: 366 of 366 days1945: 362 of 365 days1946: 364 of 365 days1947: 362 of 365 days1948: 363 of 366 days1949: 334 of 365 days1950: 363 of 365 days1951: 365 of 365 days1952: 364 of 366 days1953: 359 of 365 days1954: 357 of 365 days1955: 365 of 365 days1956: 365 of 366 days1957: 365 of 365 days1958: 364 of 365 days1959: 364 of 365 days1960: 365 of 366 days1961: 365 of 365 days1962: 356 of 365 days1963: 364 of 365 days1964: 366 of 366 days1965: 365 of 365 days1966: 365 of 365 days1967: 365 of 365 days1968: 366 of 366 days1969: 365 of 365 days1970: 363 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 364 of 365 days1975: 364 of 365 days1976: 365 of 366 days1977: 364 of 365 days1978: 333 of 365 days1979: 362 of 365 days1980: 364 of 366 days1981: 365 of 365 days1982: 334 of 365 days1983: 334 of 365 days1984: 366 of 366 days1985: 362 of 365 days1986: 363 of 365 days1987: 364 of 365 days1988: 362 of 366 days1989: 346 of 365 days1990: 365 of 365 days1991: 365 of 365 days1992: 365 of 366 days1993: 363 of 365 days1994: 365 of 365 days1995: 334 of 365 days1996: 366 of 366 days1997: 334 of 365 days1998: 365 of 365 days1999: 363 of 365 days2000: 362 of 366 days2001: 362 of 365 days2002: 347 of 365 days2003: 333 of 365 days2004: 294 of 366 days2005: 329 of 365 days2006: 364 of 365 days2007: 360 of 365 days2008: 351 of 366 days2009: 329 of 365 days2010: 360 of 365 days2011: 365 of 365 days2012: 335 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 334 of 365 days2022: 34 of 365 days192019401960198020002020
121 years of record at Centralia, 1893 to 2022. 6 years have data for under 90 percent of days and are left out of rankings: 1893, 1904, 1922, 1924, 2004, 2022.
Days with data per year at Centralia
YearDays with dataShare of yearComplete
18936117%No
190235397%Yes
190336399%Yes
1904318%No
190536399%Yes
1906364100%Yes
1907365100%Yes
1908366100%Yes
1909364100%Yes
191036399%Yes
191135698%Yes
1912365100%Yes
1913365100%Yes
191436399%Yes
1915364100%Yes
1916365100%Yes
1917365100%Yes
1918365100%Yes
1919365100%Yes
1920366100%Yes
1921365100%Yes
192227174%No
192415242%No
192534695%Yes
192635798%Yes
192735397%Yes
192836199%Yes
192935898%Yes
193036299%Yes
1931364100%Yes
193236399%Yes
193335698%Yes
193436399%Yes
193536399%Yes
1936365100%Yes
193736199%Yes
1938365100%Yes
1939365100%Yes
1940366100%Yes
1941365100%Yes
194236399%Yes
1943364100%Yes
1944366100%Yes
194536299%Yes
1946364100%Yes
194736299%Yes
194836399%Yes
194933492%Yes
195036399%Yes
1951365100%Yes
195236499%Yes
195335998%Yes
195435798%Yes
1955365100%Yes
1956365100%Yes
1957365100%Yes
1958364100%Yes
1959364100%Yes
1960365100%Yes
1961365100%Yes
196235698%Yes
1963364100%Yes
1964366100%Yes
1965365100%Yes
1966365100%Yes
1967365100%Yes
1968366100%Yes
1969365100%Yes
197036399%Yes
1971365100%Yes
1972366100%Yes
1973365100%Yes
1974364100%Yes
1975364100%Yes
1976365100%Yes
1977364100%Yes
197833391%Yes
197936299%Yes
198036499%Yes
1981365100%Yes
198233492%Yes
198333492%Yes
1984366100%Yes
198536299%Yes
198636399%Yes
1987364100%Yes
198836299%Yes
198934695%Yes
1990365100%Yes
1991365100%Yes
1992365100%Yes
199336399%Yes
1994365100%Yes
199533492%Yes
1996366100%Yes
199733492%Yes
1998365100%Yes
199936399%Yes
200036299%Yes
200136299%Yes
200234795%Yes
200333391%Yes
200429480%No
200532990%Yes
2006364100%Yes
200736099%Yes
200835196%Yes
200932990%Yes
201036099%Yes
2011365100%Yes
201233592%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
2018365100%Yes
2019365100%Yes
2020366100%Yes
202133492%Yes
2022349%No

Latest Records

20
Latest records at Centralia
DateStationRecordValueBeat old record byOld record stoodSignificance
12 January 2022Centralia, USdaily high max15.0 C (59.0 F)1.1 C (2.0 F)36 years22 of 100 (Routine)
6 January 2022Centralia, USdaily rain49.3 mm (1.9 in)16.3 mm (0.6 in)15 years30 of 100 (Routine)
25 December 2021Centralia, USdaily snowfall10.2 cm (4.0 in)2.6 cm (1.0 in)112 years47 of 100 (Notable)
11 November 2021Centralia, USdaily rain31.5 mm (1.2 in)3.1 mm (0.12 in)63 years30 of 100 (Routine)
12 October 2021Centralia, USdaily low min (Tie)-1.1 C (30.0 F)tie96 years9 of 100 (Routine)
12 September 2021Centralia, USdaily high min (Tie)15.0 C (59.0 F)tie80 years8 of 100 (Routine)
5 September 2021Centralia, USdaily high min16.1 C (61.0 F)0.5 C (0.9 F)80 years35 of 100 (Notable)
13 August 2021Centralia, USdaily high max (Tie)35.0 C (95.0 F)tie107 years10 of 100 (Routine)
6 August 2021Centralia, USdaily high min17.2 C (63.0 F)0.5 C (0.9 F)24 years18 of 100 (Routine)
31 July 2021Centralia, USdaily high min17.8 C (64.0 F)0.6 C (1.1 F)23 years18 of 100 (Routine)
30 June 2021Centralia, USdaily high min (Tie)16.1 C (61.0 F)tie22 years4 of 100 (Routine)
29 June 2021Centralia, USdaily high max41.1 C (106.0 F)3.9 C (7.0 F)70 years39 of 100 (Notable)
29 June 2021Centralia, USdaily high min16.1 C (61.0 F)0.5 C (0.9 F)8 years13 of 100 (Routine)
28 June 2021Centralia, USall-time high max (Tie)41.7 C (107.1 F)tie11 years8 of 100 (Routine)
27 June 2021Centralia, USmonthly high max39.4 C (102.9 F)0.5 C (0.9 F)96 years49 of 100 (Notable)
27 June 2021Centralia, USdaily high min18.9 C (66.0 F)2.8 C (5.0 F)19 years24 of 100 (Routine)
26 June 2021Centralia, USdaily high max37.8 C (100.0 F)2.2 C (4.0 F)114 years44 of 100 (Notable)
26 June 2021Centralia, USdaily high min16.7 C (62.1 F)0.6 C (1.1 F)28 years20 of 100 (Routine)
13 June 2021Centralia, USdaily rain25.1 mm (1.0 in)15.4 mm (0.6 in)27 years44 of 100 (Notable)
6 June 2021Centralia, USdaily low max12.8 C (55.0 F)0.5 C (0.9 F)67 years31 of 100 (Routine)

Climate Trend

104 complete years, 1902 to 2020
Annual mean temperature at Centralia as warming stripes, 1902 to 2020 One stripe for each of 104 complete years at Centralia, 1902 to 2020. Blue stripes are years cooler than the station's own mean of 11.0 C (51.8 F); red stripes are warmer. The coolest year was 1916, at 9.1 C (48.4 F), and the warmest was 1998, at 12.8 C (55.0 F). The strongest colour marks a difference of 2.0 C (3.6 F). 1902: 10.2 C, -0.8 C from the station mean1903: 10.2 C, -0.8 C from the station mean1905: 10.8 C, -0.2 C from the station mean1906: 10.9 C, -0.1 C from the station mean1907: 10.5 C, -0.6 C from the station mean1908: 10.5 C, -0.5 C from the station mean1909: 9.8 C, -1.2 C from the station mean1910: 10.5 C, -0.6 C from the station mean1911: 9.8 C, -1.2 C from the station mean1912: 10.5 C, -0.5 C from the station mean1913: 10.5 C, -0.6 C from the station mean1914: 11.2 C, +0.1 C from the station mean1915: 10.8 C, -0.2 C from the station mean1916: 9.1 C, -1.9 C from the station mean1917: 10.4 C, -0.6 C from the station mean1918: 10.7 C, -0.3 C from the station mean1919: 9.9 C, -1.2 C from the station mean1920: 9.8 C, -1.2 C from the station mean1921: 10.2 C, -0.8 C from the station mean1926: 12.4 C, +1.4 C from the station mean1927: 10.8 C, -0.2 C from the station mean1928: 11.6 C, +0.5 C from the station mean1929: 10.7 C, -0.4 C from the station mean1930: 10.6 C, -0.4 C from the station mean1931: 11.4 C, +0.3 C from the station mean1932: 10.7 C, -0.3 C from the station mean1933: 10.1 C, -1.0 C from the station mean1934: 12.7 C, +1.7 C from the station mean1935: 10.7 C, -0.3 C from the station mean1936: 11.1 C, +0.1 C from the station mean1937: 10.9 C, -0.1 C from the station mean1938: 11.6 C, +0.5 C from the station mean1939: 11.8 C, +0.8 C from the station mean1940: 12.3 C, +1.3 C from the station mean1941: 12.3 C, +1.2 C from the station mean1942: 11.5 C, +0.5 C from the station mean1943: 11.1 C, +0.1 C from the station mean1944: 11.3 C, +0.3 C from the station mean1945: 11.1 C, +0.1 C from the station mean1946: 11.5 C, +0.5 C from the station mean1947: 12.0 C, +1.0 C from the station mean1948: 10.9 C, -0.1 C from the station mean1950: 10.5 C, -0.6 C from the station mean1951: 11.1 C, 0.0 C from the station mean1952: 11.2 C, +0.2 C from the station mean1953: 11.2 C, +0.2 C from the station mean1954: 9.7 C, -1.3 C from the station mean1955: 9.5 C, -1.5 C from the station mean1956: 10.6 C, -0.5 C from the station mean1957: 11.0 C, 0.0 C from the station mean1958: 12.4 C, +1.4 C from the station mean1959: 10.4 C, -0.6 C from the station mean1960: 10.2 C, -0.9 C from the station mean1961: 11.1 C, +0.1 C from the station mean1962: 10.5 C, -0.5 C from the station mean1963: 10.9 C, -0.1 C from the station mean1964: 10.1 C, -0.9 C from the station mean1965: 11.2 C, +0.2 C from the station mean1966: 11.1 C, +0.1 C from the station mean1967: 11.5 C, +0.5 C from the station mean1968: 10.9 C, -0.1 C from the station mean1969: 10.9 C, -0.1 C from the station mean1970: 10.8 C, -0.2 C from the station mean1971: 10.5 C, -0.5 C from the station mean1972: 10.5 C, -0.5 C from the station mean1973: 11.0 C, 0.0 C from the station mean1974: 11.1 C, 0.0 C from the station mean1975: 10.5 C, -0.5 C from the station mean1976: 10.7 C, -0.4 C from the station mean1977: 10.9 C, -0.2 C from the station mean1979: 11.1 C, +0.1 C from the station mean1980: 10.9 C, -0.1 C from the station mean1981: 11.5 C, +0.5 C from the station mean1984: 11.0 C, 0.0 C from the station mean1985: 10.4 C, -0.6 C from the station mean1986: 12.0 C, +0.9 C from the station mean1987: 12.3 C, +1.3 C from the station mean1988: 11.6 C, +0.5 C from the station mean1989: 11.3 C, +0.3 C from the station mean1990: 11.4 C, +0.4 C from the station mean1991: 11.5 C, +0.5 C from the station mean1992: 12.4 C, +1.4 C from the station mean1993: 11.1 C, 0.0 C from the station mean1994: 11.6 C, +0.6 C from the station mean1996: 11.5 C, +0.4 C from the station mean1998: 12.8 C, +1.8 C from the station mean1999: 12.3 C, +1.2 C from the station mean2000: 11.8 C, +0.8 C from the station mean2001: 11.5 C, +0.5 C from the station mean2002: 11.6 C, +0.5 C from the station mean2003: 12.1 C, +1.1 C from the station mean2006: 11.7 C, +0.7 C from the station mean2007: 11.0 C, 0.0 C from the station mean2008: 11.1 C, +0.1 C from the station mean2010: 11.7 C, +0.7 C from the station mean2011: 9.9 C, -1.2 C from the station mean2013: 10.2 C, -0.8 C from the station mean2014: 11.3 C, +0.2 C from the station mean2015: 11.8 C, +0.8 C from the station mean2016: 11.4 C, +0.3 C from the station mean2017: 10.5 C, -0.5 C from the station mean2018: 11.3 C, +0.3 C from the station mean2019: 10.7 C, -0.3 C from the station mean2020: 11.2 C, +0.2 C from the station mean1902191019201930194019501960197019801990200020102020
One stripe for each of 104 complete years at Centralia, 1902 to 2020. Blue stripes are years cooler than the station's own mean of 11.0 C (51.8 F); red stripes are warmer. The coolest year was 1916, at 9.1 C (48.4 F), and the warmest was 1998, at 12.8 C (55.0 F). The strongest colour marks a difference of 2.0 C (3.6 F).
Annual mean temperature at Centralia as warming stripes, 1902 to 2020
YearAnnual mean temperatureDifference from the station mean
190210.2 C-0.79 C
190310.2 C-0.84 C
190510.8 C-0.24 C
190610.9 C-0.13 C
190710.5 C-0.57 C
190810.5 C-0.50 C
19099.8 C-1.18 C
191010.5 C-0.56 C
19119.8 C-1.23 C
191210.5 C-0.51 C
191310.5 C-0.57 C
191411.2 C+0.14 C
191510.8 C-0.20 C
19169.1 C-1.91 C
191710.4 C-0.64 C
191810.7 C-0.30 C
19199.9 C-1.17 C
19209.8 C-1.21 C
192110.2 C-0.80 C
192612.4 C+1.37 C
192710.8 C-0.22 C
192811.6 C+0.54 C
192910.7 C-0.37 C
193010.6 C-0.40 C
193111.4 C+0.34 C
193210.7 C-0.29 C
193310.1 C-0.97 C
193412.7 C+1.65 C
193510.7 C-0.33 C
193611.1 C+0.08 C
193710.9 C-0.11 C
193811.6 C+0.53 C
193911.8 C+0.76 C
194012.3 C+1.25 C
194112.3 C+1.23 C
194211.5 C+0.45 C
194311.1 C+0.09 C
194411.3 C+0.25 C
194511.1 C+0.06 C
194611.5 C+0.51 C
194712.0 C+1.01 C
194810.9 C-0.11 C
195010.5 C-0.57 C
195111.1 C+0.03 C
195211.2 C+0.21 C
195311.2 C+0.17 C
19549.7 C-1.35 C
19559.5 C-1.54 C
195610.6 C-0.46 C
195711.0 C+0.02 C
195812.4 C+1.42 C
195910.4 C-0.62 C
196010.2 C-0.86 C
196111.1 C+0.09 C
196210.5 C-0.54 C
196310.9 C-0.14 C
196410.1 C-0.89 C
196511.2 C+0.20 C
196611.1 C+0.12 C
196711.5 C+0.51 C
196810.9 C-0.11 C
196910.9 C-0.14 C
197010.8 C-0.23 C
197110.5 C-0.50 C
197210.5 C-0.48 C
197311.0 C-0.03 C
197411.1 C+0.03 C
197510.5 C-0.51 C
197610.7 C-0.37 C
197710.9 C-0.17 C
197911.1 C+0.11 C
198010.9 C-0.11 C
198111.5 C+0.47 C
198411.0 C-0.02 C
198510.4 C-0.61 C
198612.0 C+0.94 C
198712.3 C+1.31 C
198811.6 C+0.54 C
198911.3 C+0.32 C
199011.4 C+0.41 C
199111.5 C+0.50 C
199212.4 C+1.35 C
199311.1 C+0.04 C
199411.6 C+0.57 C
199611.5 C+0.44 C
199812.8 C+1.78 C
199912.3 C+1.24 C
200011.8 C+0.82 C
200111.5 C+0.50 C
200211.6 C+0.54 C
200312.1 C+1.07 C
200611.7 C+0.69 C
200711.0 C-0.03 C
200811.1 C+0.05 C
201011.7 C+0.66 C
20119.9 C-1.17 C
201310.2 C-0.80 C
201411.3 C+0.23 C
201511.8 C+0.76 C
201611.4 C+0.34 C
201710.5 C-0.48 C
201811.3 C+0.31 C
201910.7 C-0.34 C
202011.2 C+0.16 C

The annual mean temperature here has risen by 0.08 C (0.04 to 0.11) per decade over 1902 to 2020. In Fahrenheit: 0.1 F (0.1 to 0.2) per decade. The slope is a straight line fitted to 104 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Centralia
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.08 C (0.04 to 0.11) per decade0.1 F (0.1 to 0.2) per decade1902 to 2020104Rise
Mean daily maximum-0.03 C (-0.08 to 0.02) per decade-0.05 F (-0.14 to 0.03) per decade1902 to 2020104Not clearly different from zero
Mean daily minimum0.2 C (0.1 to 0.2) per decade0.3 F (0.3 to 0.4) per decade1902 to 2020104Rise

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 2022
Yearly extremes at Centralia: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.7 C (107.1 F)200936.1 C (97.0 F)121
Coldest night (TNn)-20.0 C (-4.0 F)1930-10.0 C (14.0 F)121
Wettest day (Rx1day)104.9 mm (4.1 in)199048.0 mm (1.9 in)121
Wettest five days (Rx5day)214.9 mm (8.5 in)1986103.1 mm (4.1 in)121
Longest dry spell (CDD)94 days202133 days121

Hottest day (TXx)

Hottest day (TXx) at Centralia by year The hottest day of the year at Centralia, 1893 to 2022. The record is 41.7 C (107.1 F) in 2009, marked on the chart; the median year is 36.1 C (97.0 F). 10203040501900192019401960198020002020Record: 41.7 C (107.1 F) in 2009
The hottest day of the year at Centralia, 1893 to 2022. The record is 41.7 C (107.1 F) in 2009, marked on the chart; the median year is 36.1 C (97.0 F).
Hottest day (TXx) at Centralia by year
YearHottest day (TXx)
189327.2 C (81.0 F)
190237.8 C (100.0 F)
190338.3 C (100.9 F)
190412.2 C (54.0 F)
190533.3 C (91.9 F)
190638.9 C (102.0 F)
190737.2 C (99.0 F)
190836.1 C (97.0 F)
190934.4 C (93.9 F)
191035.6 C (96.1 F)
191136.7 C (98.1 F)
191237.2 C (99.0 F)
191336.1 C (97.0 F)
191436.7 C (98.1 F)
191537.2 C (99.0 F)
191633.9 C (93.0 F)
191732.2 C (90.0 F)
191834.4 C (93.9 F)
191934.4 C (93.9 F)
192034.4 C (93.9 F)
192131.1 C (88.0 F)
192235.6 C (96.1 F)
192434.4 C (93.9 F)
192538.9 C (102.0 F)
192640.6 C (105.1 F)
192736.7 C (98.1 F)
192838.3 C (100.9 F)
192933.9 C (93.0 F)
193035.6 C (96.1 F)
193137.8 C (100.0 F)
193235.0 C (95.0 F)
193335.6 C (96.1 F)
193435.6 C (96.1 F)
193540.0 C (104.0 F)
193638.3 C (100.9 F)
193733.9 C (93.0 F)
193838.9 C (102.0 F)
193937.2 C (99.0 F)
194036.7 C (98.1 F)
194140.0 C (104.0 F)
194239.4 C (102.9 F)
194336.1 C (97.0 F)
194438.3 C (100.9 F)
194536.1 C (97.0 F)
194636.1 C (97.0 F)
194734.4 C (93.9 F)
194834.4 C (93.9 F)
194933.9 C (93.0 F)
195034.4 C (93.9 F)
195137.2 C (99.0 F)
195236.1 C (97.0 F)
195333.3 C (91.9 F)
195428.3 C (82.9 F)
195537.8 C (100.0 F)
195638.3 C (100.9 F)
195732.2 C (90.0 F)
195837.8 C (100.0 F)
195935.0 C (95.0 F)
196036.7 C (98.1 F)
196137.8 C (100.0 F)
196233.3 C (91.9 F)
196333.9 C (93.0 F)
196433.3 C (91.9 F)
196536.7 C (98.1 F)
196632.8 C (91.0 F)
196736.1 C (97.0 F)
196835.6 C (96.1 F)
196933.9 C (93.0 F)
197036.1 C (97.0 F)
197136.7 C (98.1 F)
197236.7 C (98.1 F)
197335.0 C (95.0 F)
197433.9 C (93.0 F)
197532.8 C (91.0 F)
197631.1 C (88.0 F)
197738.9 C (102.0 F)
197837.2 C (99.0 F)
197937.8 C (100.0 F)
198031.7 C (89.1 F)
198139.4 C (102.9 F)
198236.7 C (98.1 F)
198336.7 C (98.1 F)
198435.0 C (95.0 F)
198537.8 C (100.0 F)
198636.1 C (97.0 F)
198736.1 C (97.0 F)
198837.8 C (100.0 F)
198934.4 C (93.9 F)
199037.2 C (99.0 F)
199137.8 C (100.0 F)
199236.7 C (98.1 F)
199337.2 C (99.0 F)
199439.4 C (102.9 F)
199536.1 C (97.0 F)
199636.7 C (98.1 F)
199733.9 C (93.0 F)
199838.9 C (102.0 F)
199933.3 C (91.9 F)
200034.4 C (93.9 F)
200133.3 C (91.9 F)
200235.6 C (96.1 F)
200336.1 C (97.0 F)
200437.2 C (99.0 F)
200533.9 C (93.0 F)
200637.8 C (100.0 F)
200736.1 C (97.0 F)
200835.0 C (95.0 F)
200941.7 C (107.1 F)
201036.1 C (97.0 F)
201132.8 C (91.0 F)
201236.1 C (97.0 F)
201332.8 C (91.0 F)
201437.2 C (99.0 F)
201536.1 C (97.0 F)
201635.6 C (96.1 F)
201736.7 C (98.1 F)
201834.4 C (93.9 F)
201932.8 C (91.0 F)
202037.8 C (100.0 F)
202141.7 C (107.1 F)
202215.6 C (60.1 F)

Coldest night (TNn)

Coldest night (TNn) at Centralia by year The coldest night of the year at Centralia, 1893 to 2022. The record is -20.0 C (-4.0 F) in 1930, marked on the chart; the median year is -10.0 C (14.0 F). -20-15-10-501900192019401960198020002020Record: -20.0 C (-4.0 F) in 1930
The coldest night of the year at Centralia, 1893 to 2022. The record is -20.0 C (-4.0 F) in 1930, marked on the chart; the median year is -10.0 C (14.0 F).
Coldest night (TNn) at Centralia by year
YearColdest night (TNn)
1893-15.0 C (5.0 F)
1902-15.0 C (5.0 F)
1903-7.8 C (18.0 F)
1904-2.8 C (27.0 F)
1905-10.0 C (14.0 F)
1906-10.0 C (14.0 F)
1907-16.1 C (3.0 F)
1908-11.7 C (10.9 F)
1909-15.6 C (3.9 F)
1910-9.4 C (15.1 F)
1911-9.4 C (15.1 F)
1912-10.0 C (14.0 F)
1913-10.0 C (14.0 F)
1914-10.6 C (12.9 F)
1915-11.7 C (10.9 F)
1916-13.9 C (7.0 F)
1917-15.6 C (3.9 F)
1918-8.3 C (17.1 F)
1919-15.6 C (3.9 F)
1920-10.6 C (12.9 F)
1921-10.6 C (12.9 F)
1922-16.1 C (3.0 F)
1924-15.6 C (3.9 F)
1925-4.4 C (24.1 F)
1926-10.6 C (12.9 F)
1927-11.7 C (10.9 F)
1928-6.7 C (19.9 F)
1929-13.9 C (7.0 F)
1930-20.0 C (-4.0 F)
1931-6.7 C (19.9 F)
1932-15.0 C (5.0 F)
1933-13.9 C (7.0 F)
1934-2.8 C (27.0 F)
1935-15.0 C (5.0 F)
1936-9.4 C (15.1 F)
1937-13.3 C (8.1 F)
1938-6.7 C (19.9 F)
1939-4.4 C (24.1 F)
1940-9.4 C (15.1 F)
1941-7.2 C (19.0 F)
1942-10.6 C (12.9 F)
1943-15.6 C (3.9 F)
1944-10.0 C (14.0 F)
1945-6.7 C (19.9 F)
1946-7.8 C (18.0 F)
1947-11.7 C (10.9 F)
1948-9.4 C (15.1 F)
1949-16.1 C (3.0 F)
1950-16.7 C (1.9 F)
1951-12.2 C (10.0 F)
1952-11.7 C (10.9 F)
1953-3.9 C (25.0 F)
1954-10.0 C (14.0 F)
1955-15.0 C (5.0 F)
1956-11.7 C (10.9 F)
1957-15.0 C (5.0 F)
1958-7.2 C (19.0 F)
1959-12.2 C (10.0 F)
1960-8.9 C (16.0 F)
1961-6.7 C (19.9 F)
1962-13.9 C (7.0 F)
1963-13.3 C (8.1 F)
1964-13.9 C (7.0 F)
1965-6.7 C (19.9 F)
1966-3.9 C (25.0 F)
1967-8.3 C (17.1 F)
1968-11.7 C (10.9 F)
1969-10.0 C (14.0 F)
1970-6.7 C (19.9 F)
1971-8.3 C (17.1 F)
1972-17.2 C (1.0 F)
1973-12.8 C (9.0 F)
1974-13.3 C (8.1 F)
1975-6.1 C (21.0 F)
1976-8.9 C (16.0 F)
1977-9.4 C (15.1 F)
1978-17.8 C (0.0 F)
1979-17.2 C (1.0 F)
1980-15.0 C (5.0 F)
1981-5.6 C (21.9 F)
1982-12.8 C (9.0 F)
1983-16.7 C (1.9 F)
1984-10.6 C (12.9 F)
1985-13.9 C (7.0 F)
1986-3.9 C (25.0 F)
1987-6.7 C (19.9 F)
1988-6.1 C (21.0 F)
1989-17.8 C (0.0 F)
1990-16.7 C (1.9 F)
1991-7.2 C (19.0 F)
1992-6.7 C (19.9 F)
1993-11.7 C (10.9 F)
1994-7.8 C (18.0 F)
1995-7.2 C (19.0 F)
1996-10.0 C (14.0 F)
1997-4.4 C (24.1 F)
1998-11.7 C (10.9 F)
1999-1.7 C (28.9 F)
2000-5.0 C (23.0 F)
2001-3.9 C (25.0 F)
2002-6.7 C (19.9 F)
2003-6.1 C (21.0 F)
2004-10.6 C (12.9 F)
2005-10.0 C (14.0 F)
2006-10.0 C (14.0 F)
2007-8.9 C (16.0 F)
2008-7.8 C (18.0 F)
2009-12.8 C (9.0 F)
2010-10.6 C (12.9 F)
2011-9.4 C (15.1 F)
2012-3.9 C (25.0 F)
2013-12.8 C (9.0 F)
2014-9.4 C (15.1 F)
2015-7.2 C (19.0 F)
2016-9.4 C (15.1 F)
2017-11.7 C (10.9 F)
2018-7.8 C (18.0 F)
2019-8.9 C (16.0 F)
2020-4.4 C (24.1 F)
2021-4.4 C (24.1 F)
2022-5.0 C (23.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Centralia by year The wettest day of the year at Centralia, 1893 to 2022. The record is 104.9 mm (4.1 in) in 1990, marked on the chart; the median year is 48.0 mm (1.9 in). 02550751001251900192019401960198020002020Record: 104.9 mm (4.1 in) in 1990
The wettest day of the year at Centralia, 1893 to 2022. The record is 104.9 mm (4.1 in) in 1990, marked on the chart; the median year is 48.0 mm (1.9 in).
Wettest day (Rx1day) at Centralia by year
YearWettest day (Rx1day)
189327.9 mm (1.1 in)
190255.9 mm (2.2 in)
190356.1 mm (2.2 in)
190426.2 mm (1.0 in)
190547.8 mm (1.9 in)
190643.9 mm (1.7 in)
190751.3 mm (2.0 in)
190871.6 mm (2.8 in)
190955.9 mm (2.2 in)
191063.5 mm (2.5 in)
191145.7 mm (1.8 in)
191263.5 mm (2.5 in)
191331.2 mm (1.2 in)
191447.0 mm (1.9 in)
191574.7 mm (2.9 in)
191647.8 mm (1.9 in)
191743.2 mm (1.7 in)
191845.2 mm (1.8 in)
191958.4 mm (2.3 in)
192038.1 mm (1.5 in)
192162.7 mm (2.5 in)
192237.3 mm (1.5 in)
192435.6 mm (1.4 in)
192538.1 mm (1.5 in)
192641.1 mm (1.6 in)
192754.9 mm (2.2 in)
192848.3 mm (1.9 in)
192950.5 mm (2.0 in)
193031.8 mm (1.3 in)
193146.5 mm (1.8 in)
193278.0 mm (3.1 in)
1933100.3 mm (3.9 in)
193468.3 mm (2.7 in)
193552.1 mm (2.1 in)
193667.8 mm (2.7 in)
193769.9 mm (2.8 in)
193834.5 mm (1.4 in)
193939.4 mm (1.6 in)
194037.8 mm (1.5 in)
194141.1 mm (1.6 in)
194281.8 mm (3.2 in)
194332.5 mm (1.3 in)
194422.1 mm (0.9 in)
194543.9 mm (1.7 in)
194658.9 mm (2.3 in)
194742.7 mm (1.7 in)
194850.8 mm (2.0 in)
194953.3 mm (2.1 in)
195039.1 mm (1.5 in)
195180.0 mm (3.1 in)
195227.2 mm (1.1 in)
195342.4 mm (1.7 in)
195451.3 mm (2.0 in)
195561.7 mm (2.4 in)
195649.8 mm (2.0 in)
195740.4 mm (1.6 in)
195863.5 mm (2.5 in)
195949.3 mm (1.9 in)
196051.1 mm (2.0 in)
196145.2 mm (1.8 in)
196257.2 mm (2.3 in)
196356.1 mm (2.2 in)
196459.9 mm (2.4 in)
196535.6 mm (1.4 in)
196635.6 mm (1.4 in)
196750.0 mm (2.0 in)
196838.1 mm (1.5 in)
196937.3 mm (1.5 in)
197043.4 mm (1.7 in)
197141.7 mm (1.6 in)
197254.1 mm (2.1 in)
197338.1 mm (1.5 in)
197435.8 mm (1.4 in)
197547.2 mm (1.9 in)
197641.1 mm (1.6 in)
197740.9 mm (1.6 in)
197840.1 mm (1.6 in)
197949.3 mm (1.9 in)
198040.4 mm (1.6 in)
198179.5 mm (3.1 in)
198243.2 mm (1.7 in)
198343.9 mm (1.7 in)
198449.8 mm (2.0 in)
198532.3 mm (1.3 in)
198681.8 mm (3.2 in)
198748.3 mm (1.9 in)
198848.3 mm (1.9 in)
198959.2 mm (2.3 in)
1990104.9 mm (4.1 in)
199168.8 mm (2.7 in)
199237.1 mm (1.5 in)
199326.9 mm (1.1 in)
199470.6 mm (2.8 in)
199548.0 mm (1.9 in)
199684.8 mm (3.3 in)
199740.6 mm (1.6 in)
199868.1 mm (2.7 in)
199955.1 mm (2.2 in)
200023.9 mm (0.9 in)
200194.5 mm (3.7 in)
200240.6 mm (1.6 in)
200342.7 mm (1.7 in)
200448.3 mm (1.9 in)
200563.5 mm (2.5 in)
200687.6 mm (3.4 in)
200771.1 mm (2.8 in)
200853.3 mm (2.1 in)
200966.0 mm (2.6 in)
201050.8 mm (2.0 in)
201149.0 mm (1.9 in)
201243.9 mm (1.7 in)
201342.9 mm (1.7 in)
201423.9 mm (0.9 in)
201549.8 mm (2.0 in)
201620.8 mm (0.8 in)
201722.6 mm (0.9 in)
201818.3 mm (0.7 in)
201937.8 mm (1.5 in)
202027.9 mm (1.1 in)
202167.3 mm (2.6 in)
202249.3 mm (1.9 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Centralia by year The wettest five days of the year at Centralia, 1893 to 2022. The record is 214.9 mm (8.5 in) in 1986, marked on the chart; the median year is 103.1 mm (4.1 in). 01002003001900192019401960198020002020Record: 214.9 mm (8.5 in) in 1986
The wettest five days of the year at Centralia, 1893 to 2022. The record is 214.9 mm (8.5 in) in 1986, marked on the chart; the median year is 103.1 mm (4.1 in).
Wettest five days (Rx5day) at Centralia by year
YearWettest five days (Rx5day)
189355.3 mm (2.2 in)
1902113.3 mm (4.5 in)
1903145.0 mm (5.7 in)
190471.4 mm (2.8 in)
190576.7 mm (3.0 in)
1906111.1 mm (4.4 in)
1907112.1 mm (4.4 in)
1908119.9 mm (4.7 in)
1909115.4 mm (4.5 in)
1910138.2 mm (5.4 in)
191183.7 mm (3.3 in)
1912116.7 mm (4.6 in)
1913107.5 mm (4.2 in)
1914152.5 mm (6.0 in)
191594.6 mm (3.7 in)
1916128.3 mm (5.1 in)
1917132.6 mm (5.2 in)
191885.1 mm (3.4 in)
1919154.9 mm (6.1 in)
1920102.8 mm (4.0 in)
1921114.3 mm (4.5 in)
192260.4 mm (2.4 in)
192494.7 mm (3.7 in)
192588.4 mm (3.5 in)
192682.5 mm (3.2 in)
1927102.9 mm (4.1 in)
192884.3 mm (3.3 in)
192990.4 mm (3.6 in)
193089.2 mm (3.5 in)
193189.8 mm (3.5 in)
1932147.8 mm (5.8 in)
1933204.7 mm (8.1 in)
1934180.6 mm (7.1 in)
193580.0 mm (3.1 in)
1936122.1 mm (4.8 in)
1937162.3 mm (6.4 in)
193880.7 mm (3.2 in)
1939104.7 mm (4.1 in)
1940106.0 mm (4.2 in)
1941133.4 mm (5.3 in)
1942126.5 mm (5.0 in)
194381.1 mm (3.2 in)
194467.6 mm (2.7 in)
194585.0 mm (3.3 in)
1946114.0 mm (4.5 in)
194798.0 mm (3.9 in)
1948111.2 mm (4.4 in)
1949104.3 mm (4.1 in)
1950109.9 mm (4.3 in)
1951126.3 mm (5.0 in)
195282.1 mm (3.2 in)
1953102.8 mm (4.0 in)
1954128.5 mm (5.1 in)
1955133.3 mm (5.2 in)
1956118.1 mm (4.6 in)
195780.5 mm (3.2 in)
1958127.3 mm (5.0 in)
1959147.6 mm (5.8 in)
1960131.1 mm (5.2 in)
1961102.1 mm (4.0 in)
196294.8 mm (3.7 in)
1963109.0 mm (4.3 in)
1964112.2 mm (4.4 in)
1965107.4 mm (4.2 in)
196699.3 mm (3.9 in)
196799.5 mm (3.9 in)
196893.2 mm (3.7 in)
1969101.5 mm (4.0 in)
1970103.6 mm (4.1 in)
1971112.8 mm (4.4 in)
1972113.2 mm (4.5 in)
1973104.5 mm (4.1 in)
1974102.4 mm (4.0 in)
1975147.6 mm (5.8 in)
1976101.8 mm (4.0 in)
1977138.6 mm (5.5 in)
197855.7 mm (2.2 in)
197998.6 mm (3.9 in)
198094.8 mm (3.7 in)
1981125.5 mm (4.9 in)
1982101.3 mm (4.0 in)
198393.2 mm (3.7 in)
198497.2 mm (3.8 in)
198591.0 mm (3.6 in)
1986214.9 mm (8.5 in)
1987100.7 mm (4.0 in)
1988102.7 mm (4.0 in)
198999.5 mm (3.9 in)
1990186.2 mm (7.3 in)
1991126.7 mm (5.0 in)
1992108.0 mm (4.3 in)
199382.7 mm (3.3 in)
1994103.1 mm (4.1 in)
1995120.6 mm (4.7 in)
1996182.1 mm (7.2 in)
199795.5 mm (3.8 in)
1998144.1 mm (5.7 in)
1999123.4 mm (4.9 in)
200060.0 mm (2.4 in)
2001120.4 mm (4.7 in)
200289.5 mm (3.5 in)
200383.3 mm (3.3 in)
200496.1 mm (3.8 in)
2005124.8 mm (4.9 in)
2006214.4 mm (8.4 in)
2007148.8 mm (5.9 in)
200868.8 mm (2.7 in)
2009151.9 mm (6.0 in)
201097.2 mm (3.8 in)
201192.3 mm (3.6 in)
2012103.7 mm (4.1 in)
2013106.1 mm (4.2 in)
201461.1 mm (2.4 in)
2015137.1 mm (5.4 in)
201661.1 mm (2.4 in)
201772.8 mm (2.9 in)
201839.6 mm (1.6 in)
201974.1 mm (2.9 in)
202052.5 mm (2.1 in)
202175.7 mm (3.0 in)
20221.6 mm (0.06 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Centralia by year The longest dry spell of the year at Centralia, 1893 to 2022. The record is 94 days in 2021, marked on the chart; the median year is 33 days. 02550751001900192019401960198020002020Record: 94 days in 2021
The longest dry spell of the year at Centralia, 1893 to 2022. The record is 94 days in 2021, marked on the chart; the median year is 33 days.
Longest dry spell (CDD) at Centralia by year
YearLongest dry spell (CDD)
189310 days
190221 days
190324 days
19045 days
190528 days
190666 days
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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.

Frost Dates and Growing Season

104 years with a frost

Across 104 years with a frost, the median last spring frost at Centralia falls on 27 April and the median first autumn frost on 24 October, which leaves a median of 177 days between them.

In 1985 to 2020 the median growing season was 201 days. That is 42 days more than in 1902 to 1936.

Fitted over all years, the growing season changes by +4.4 days per decade at this station.

Frost dates and growing season at Centralia
MeasureMedian, all yearsEarliest period (1902 to 1936)Recent period (1985 to 2020)Recent against earliestFitted trend
Last spring frost27 April9 May15 April24 days earlier-2.4 days per decade
First autumn frost24 October12 October31 October19 days later+2.0 days per decade
Growing days177 days159 days201 days42 days more+4.4 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

112 years, 1902 to 2021

A day with at least 48.1 mm (1.9 in) of rain is expected about once in 2 years. A day with at least 102.3 mm (4.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Centralia: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years48.1 mm (1.9 in)
5 years63.2 mm (2.5 in)
10 years73.0 mm (2.9 in)
25 years85.0 mm (3.3 in)
50 years93.8 mm (3.7 in)
100 years102.3 mm (4.0 in)

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 112 years of values from 1902 to 2021.

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: 104.9 mm (4.1 in) in 1990; 100.3 mm (3.9 in) in 1933; 94.5 mm (3.7 in) in 2001.

Station Changes

3 suspected

3 changes were suspected in the annual mean temperature of Centralia, at 1946, 1953 and 1965. Each is measured against neighbouring stations.

  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1946 ran 0.4 C (0.7 F) higher than in the years before (possible change).
  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1953 ran 0.7 C (1.3 F) lower than in the years before (likely change).
  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1965 ran 0.2 C (0.4 F) higher than in the years before (possible change).
Suspected changes in the annual mean temperature at Centralia, against neighbouring stations
YearShift (C)Shift (F)StrengthNeighbours
1946+0.4+0.7possible5
1953-0.7-1.3likely5
1965+0.2+0.4possible5

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.

Climate Twins

2002 to 2020 against 1961 to 1990

Over 2002 to 2020, Centralia had a mean temperature of 11.2 C (52.1 F) and 908.9 mm (35.8 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Hillsboro (United States, 134 km away), Salem AP (McNary Field) (United States, 202 km away) and Beaverton 2 SSW (United States, 141 km away).

Climate twins of Centralia: stations whose 1961 to 1990 climate is closest to its 2002 to 2020 climate
Twin stationCountryDistance awayMean temperature, 1961-1990Rain a year, 1961-1990Climate difference
HillsboroUnited States134 km (83 mi)11.2 C (52.2 F)953.6 mm (37.5 in)0.45
Salem AP (McNary Field)United States202 km (126 mi)11.1 C (52.0 F)995.2 mm (39.2 in)0.52
Beaverton 2 SSWUnited States141 km (88 mi)11.3 C (52.4 F)962.5 mm (37.9 in)0.53

Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.

Download the Data

  • Data for Centralia standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Centralia 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

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