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Built 2026-10-19 (19 October 2026)

Chico UNIV Farm Threshold Days by Year (USC00041715)

16 fixed thresholds counted per year at Chico UNIV Farm (USC00041715): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chico UNIV Farm Thresholds

  • Chico UNIV Farm: days with 10 mm (0.39 in) or more of precipitation in 91 years, most in 1941 with 45.
  • Chico UNIV Farm: days with 25 mm (0.98 in) or more of precipitation in 91 years, most in 1909 with 17.
  • Chico UNIV Farm: days with a maximum temperature at or above 30 C (86 F) in 84 years, most in 1913 with 148.
  • Chico UNIV Farm: days with a maximum temperature at or above 35 C (95 F) in 84 years, most in 1917 with 94.
  • 16 fixed thresholds have at least one qualifying day at Chico UNIV Farm.
84 years with a qualifying day
Days at or above 30 C (86 F) per year at Chico UNIV Farm Days per year at Chico UNIV Farm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 148 in 1913. 0501001501906: 1211907: 1211909: 1321910: 1431911: 1181912: 1231913: 1481914: 1161915: 1261916: 1041917: 1341918: 1101919: 1211920: 1171921: 1311922: 1151923: 1051924: 1271925: 1141926: 1301927: 1341928: 1381929: 1231930: 1251931: 1351932: 1411933: 1161934: 1271935: 1351936: 1281937: 1151938: 1171939: 1351940: 1191941: 911942: 1141943: 1141944: 1221945: 1211946: 1151947: 1201948: 901949: 1151950: 1151951: 1281952: 1171953: 961954: 1011955: 1151956: 1131957: 1041958: 1231959: 1151960: 1211961: 1171962: 1091963: 1101964: 1271965: 1151966: 1271967: 1281968: 1181969: 1231970: 1321971: 1151972: 1211975: 1021976: 911977: 971978: 891986: 971987: 1211988: 1091989: 1061990: 1091991: 1131992: 1301994: 1091995: 1091996: 1181997: 1221998: 891999: 1182026: 331906191619251934194319521961197019881998
Days per year at Chico UNIV Farm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 148 in 1913.
Days at or above 30 C (86 F) per year at Chico UNIV Farm
YearDaysDecade average
1906121124.7
1907121124.7
1909132124.7
1910143124.3
1911118124.3
1912123124.3
1913148124.3
1914116124.3
1915126124.3
1916104124.3
1917134124.3
1918110124.3
1919121124.3
1920117123.4
1921131123.4
1922115123.4
1923105123.4
1924127123.4
1925114123.4
1926130123.4
1927134123.4
1928138123.4
1929123123.4
1930125127.4
1931135127.4
1932141127.4
1933116127.4
1934127127.4
1935135127.4
1936128127.4
1937115127.4
1938117127.4
1939135127.4
1940119112.1
194191112.1
1942114112.1
1943114112.1
1944122112.1
1945121112.1
1946115112.1
1947120112.1
194890112.1
1949115112.1
1950115112.7
1951128112.7
1952117112.7
195396112.7
1954101112.7
1955115112.7
1956113112.7
1957104112.7
1958123112.7
1959115112.7
1960121119.5
1961117119.5
1962109119.5
1963110119.5
1964127119.5
1965115119.5
1966127119.5
1967128119.5
1968118119.5
1969123119.5
1970132106.7
1971115106.7
1972121106.7
1975102106.7
197691106.7
197797106.7
197889106.7
198697108.3
1987121108.3
1988109108.3
1989106108.3
1990109113
1991113113
1992130113
1994109113
1995109113
1996118113
1997122113
199889113
1999118113
20263333
First to last qualifying date each year at Chico UNIV Farm For each year, a bar from the first to the last day at Chico UNIV Farm meeting 30 C (86 F). 1906: 21 April 1906 to 27 October 19061907: 14 May 1907 to 22 October 19071909: 15 April 1909 to 25 October 19091910: 15 April 1910 to 27 October 19101911: 17 April 1911 to 5 November 19111912: 6 May 1912 to 16 October 19121913: 21 April 1913 to 8 November 19131914: 15 March 1914 to 27 October 19141915: 26 May 1915 to 29 October 19151916: 10 March 1916 to 29 September 19161917: 26 April 1917 to 27 October 19171918: 21 April 1918 to 31 October 19181919: 30 April 1919 to 15 October 19191920: 5 April 1920 to 5 October 19201921: 21 April 1921 to 20 October 19211922: 2 May 1922 to 30 September 19221923: 26 March 1923 to 19 October 19231924: 6 April 1924 to 3 October 19241925: 21 March 1925 to 20 October 19251926: 13 March 1926 to 26 September 19261927: 22 April 1927 to 23 October 19271928: 29 April 1928 to 19 October 19281929: 29 April 1929 to 3 November 19291930: 25 March 1930 to 18 October 19301931: 16 April 1931 to 2 October 19311932: 30 March 1932 to 12 October 19321933: 2 April 1933 to 17 October 19331934: 11 April 1934 to 12 October 19341935: 25 April 1935 to 10 October 19351936: 11 April 1936 to 18 November 19361937: 2 May 1937 to 22 October 19371938: 18 April 1938 to 22 September 19381939: 5 April 1939 to 29 October 19391940: 8 May 1940 to 18 October 19401941: 24 April 1941 to 17 October 19411942: 19 May 1942 to 23 October 19421943: 20 May 1943 to 15 October 19431944: 2 May 1944 to 27 October 19441945: 17 April 1945 to 14 October 19451946: 22 April 1946 to 24 October 19461947: 13 April 1947 to 4 October 19471948: 5 May 1948 to 17 October 19481949: 13 April 1949 to 4 November 19491950: 18 April 1950 to 13 October 19501951: 8 April 1951 to 9 October 19511952: 17 April 1952 to 13 October 19521953: 4 April 1953 to 9 October 19531954: 15 April 1954 to 15 October 19541955: 5 May 1955 to 9 November 19551956: 19 April 1956 to 6 October 19561957: 27 April 1957 to 24 September 19571958: 4 May 1958 to 16 October 19581959: 23 April 1959 to 25 October 19591960: 4 April 1960 to 17 October 19601961: 3 April 1961 to 18 October 19611962: 6 April 1962 to 2 October 19621963: 16 May 1963 to 4 October 19631964: 13 April 1964 to 22 October 19641965: 26 April 1965 to 26 October 19651966: 1 April 1966 to 1 November 19661967: 14 May 1967 to 2 November 19671968: 9 April 1968 to 26 October 19681969: 5 May 1969 to 21 October 19691970: 1 May 1970 to 10 October 19701971: 10 May 1971 to 14 October 19711972: 16 March 1972 to 7 October 19721975: 13 May 1975 to 20 October 19751976: 8 May 1976 to 15 October 19761977: 31 May 1977 to 15 October 19771978: 19 May 1978 to 24 October 19781986: 23 April 1986 to 15 October 19861987: 18 April 1987 to 19 October 19871988: 27 March 1988 to 2 October 19881989: 6 April 1989 to 12 October 19891990: 13 April 1990 to 12 October 19901991: 22 May 1991 to 18 October 19911992: 29 April 1992 to 14 October 19921994: 16 April 1994 to 3 October 19941995: 24 May 1995 to 23 October 19951996: 30 April 1996 to 10 October 19961997: 15 April 1997 to 18 October 19971998: 22 April 1998 to 23 October 19981999: 17 April 1999 to 16 October 19992026: 17 March 2026 to 8 October 202619061918192919401951196219751994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chico UNIV Farm meeting 30 C (86 F).
First to last qualifying date each year at Chico UNIV Farm
YearFirst dateLast date
19061906-04-211906-10-27
19071907-05-141907-10-22
19091909-04-151909-10-25
19101910-04-151910-10-27
19111911-04-171911-11-05
19121912-05-061912-10-16
19131913-04-211913-11-08
19141914-03-151914-10-27
19151915-05-261915-10-29
19161916-03-101916-09-29
19171917-04-261917-10-27
19181918-04-211918-10-31
19191919-04-301919-10-15
19201920-04-051920-10-05
19211921-04-211921-10-20
19221922-05-021922-09-30
19231923-03-261923-10-19
19241924-04-061924-10-03
19251925-03-211925-10-20
19261926-03-131926-09-26
19271927-04-221927-10-23
19281928-04-291928-10-19
19291929-04-291929-11-03
19301930-03-251930-10-18
19311931-04-161931-10-02
19321932-03-301932-10-12
19331933-04-021933-10-17
19341934-04-111934-10-12
19351935-04-251935-10-10
19361936-04-111936-11-18
19371937-05-021937-10-22
19381938-04-181938-09-22
19391939-04-051939-10-29
19401940-05-081940-10-18
19411941-04-241941-10-17
19421942-05-191942-10-23
19431943-05-201943-10-15
19441944-05-021944-10-27
19451945-04-171945-10-14
19461946-04-221946-10-24
19471947-04-131947-10-04
19481948-05-051948-10-17
19491949-04-131949-11-04
19501950-04-181950-10-13
19511951-04-081951-10-09
19521952-04-171952-10-13
19531953-04-041953-10-09
19541954-04-151954-10-15
19551955-05-051955-11-09
19561956-04-191956-10-06
19571957-04-271957-09-24
19581958-05-041958-10-16
19591959-04-231959-10-25
19601960-04-041960-10-17
19611961-04-031961-10-18
19621962-04-061962-10-02
19631963-05-161963-10-04
19641964-04-131964-10-22
19651965-04-261965-10-26
19661966-04-011966-11-01
19671967-05-141967-11-02
19681968-04-091968-10-26
19691969-05-051969-10-21
19701970-05-011970-10-10
19711971-05-101971-10-14
19721972-03-161972-10-07
19751975-05-131975-10-20
19761976-05-081976-10-15
19771977-05-311977-10-15
19781978-05-191978-10-24
19861986-04-231986-10-15
19871987-04-181987-10-19
19881988-03-271988-10-02
19891989-04-061989-10-12
19901990-04-131990-10-12
19911991-05-221991-10-18
19921992-04-291992-10-14
19941994-04-161994-10-03
19951995-05-241995-10-23
19961996-04-301996-10-10
19971997-04-151997-10-18
19981998-04-221998-10-23
19991999-04-171999-10-16
20262026-03-172026-10-08

Every Fixed Threshold

Fixed thresholds at Chico UNIV Farm
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days84148191333
35 C (95 F): Days8494191719
40 C (104 F): Days843219143
45 C (113 F): Days12319721
90 F (32.2 C): Days84130191328
100 F (37.8 C): Days845719179
110 F (43.3 C): Days37919141
0 C (32 F): Ice days (max3119611
0 C (32 F): Frost days (min8166191157
-10 C (14 F): Days with min4419321
20 C (68 F): Tropical nights (min741919131
25 C (77 F): Days with min3219782
10 mm (0.39 in): Days with 10 mm or more rain9145194127
25 mm (0.98 in): Days with 25 mm or more rain911719097
50 mm (1.97 in): Days with 50 mm or more rain47619372
100 mm (3.94 in): Days with 100 mm or more rain3219621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

  • Data for Chico UNIV Farm 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).