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Built 2026-10-19 (19 October 2026)

Stockton AP Threshold Days by Year (USW00023237)

14 fixed thresholds counted per year at Stockton AP (USW00023237): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stockton AP Thresholds

  • Stockton AP: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 2020 with 153.
  • Stockton AP: days with a maximum temperature at or above 35 C (95 F) in 78 years, most in 2024 with 76.
  • Stockton AP: days with a maximum temperature at or above 90 F (32.2 C) in 78 years, most in 2020 with 129.
  • Stockton AP: days with a maximum temperature at or above 100 F (37.8 C) in 78 years, most in 2024 with 49.
  • 14 fixed thresholds have at least one qualifying day at Stockton AP.
78 years with a qualifying day
Days at or above 30 C (86 F) per year at Stockton AP Days per year at Stockton AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 153 in 2020. 0501001502001949: 1001950: 1001951: 901952: 1211953: 901954: 861955: 971956: 901957: 971958: 1071959: 1101960: 1271961: 1131962: 1101963: 931964: 1161965: 1081966: 1111967: 1211968: 991969: 1051970: 1201971: 1141972: 1121973: 1041974: 1291975: 1081976: 1001977: 1131978: 1181979: 1331980: 1121981: 1351982: 1041983: 1101984: 1291985: 931986: 981987: 1031988: 1141989: 1021990: 1121991: 1141992: 1261993: 1071994: 1101995: 991996: 1171997: 1161998: 781999: 1012000: 1122001: 1282002: 1212003: 1182004: 1252005: 1142006: 1242007: 1242008: 1282009: 1142010: 1032011: 1052012: 1222013: 1132014: 1352015: 1332016: 1262017: 1342018: 1182019: 1242020: 1532021: 1172022: 1372023: 1122024: 1392025: 1372026: 1281949195719651973198119891997200520132021
Days per year at Stockton AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 153 in 2020.
Days at or above 30 C (86 F) per year at Stockton AP
YearDaysDecade average
1949100100
195010098.8
19519098.8
195212198.8
19539098.8
19548698.8
19559798.8
19569098.8
19579798.8
195810798.8
195911098.8
1960127110.3
1961113110.3
1962110110.3
196393110.3
1964116110.3
1965108110.3
1966111110.3
1967121110.3
196899110.3
1969105110.3
1970120115.1
1971114115.1
1972112115.1
1973104115.1
1974129115.1
1975108115.1
1976100115.1
1977113115.1
1978118115.1
1979133115.1
1980112110
1981135110
1982104110
1983110110
1984129110
198593110
198698110
1987103110
1988114110
1989102110
1990112108
1991114108
1992126108
1993107108
1994110108
199599108
1996117108
1997116108
199878108
1999101108
2000112120.8
2001128120.8
2002121120.8
2003118120.8
2004125120.8
2005114120.8
2006124120.8
2007124120.8
2008128120.8
2009114120.8
2010103121.3
2011105121.3
2012122121.3
2013113121.3
2014135121.3
2015133121.3
2016126121.3
2017134121.3
2018118121.3
2019124121.3
2020153131.9
2021117131.9
2022137131.9
2023112131.9
2024139131.9
2025137131.9
2026128131.9
First to last qualifying date each year at Stockton AP For each year, a bar from the first to the last day at Stockton AP meeting 30 C (86 F). 1949: 21 April 1949 to 4 October 19491950: 19 April 1950 to 13 October 19501951: 9 April 1951 to 9 October 19511952: 25 March 1952 to 10 October 19521953: 24 April 1953 to 8 October 19531954: 16 April 1954 to 15 October 19541955: 10 May 1955 to 13 October 19551956: 15 May 1956 to 1 October 19561957: 5 April 1957 to 26 September 19571958: 4 May 1958 to 17 October 19581959: 23 April 1959 to 25 October 19591960: 3 April 1960 to 5 October 19601961: 3 April 1961 to 18 October 19611962: 6 April 1962 to 1 October 19621963: 16 May 1963 to 1 October 19631964: 14 April 1964 to 22 October 19641965: 25 April 1965 to 26 October 19651966: 31 March 1966 to 25 October 19661967: 8 May 1967 to 18 October 19671968: 27 April 1968 to 26 October 19681969: 5 May 1969 to 1 October 19691970: 2 May 1970 to 11 October 19701971: 14 May 1971 to 13 October 19711972: 16 March 1972 to 7 October 19721973: 24 April 1973 to 29 September 19731974: 30 April 1974 to 18 October 19741975: 12 May 1975 to 5 October 19751976: 11 May 1976 to 15 October 19761977: 6 April 1977 to 15 October 19771978: 2 May 1978 to 15 October 19781979: 10 May 1979 to 10 October 19791980: 16 April 1980 to 9 October 19801981: 23 April 1981 to 1 October 19811982: 3 May 1982 to 14 October 19821983: 17 May 1983 to 12 October 19831984: 14 April 1984 to 7 October 19841985: 13 April 1985 to 5 October 19851986: 20 April 1986 to 9 October 19861987: 15 April 1987 to 18 October 19871988: 26 March 1988 to 20 October 19881989: 5 April 1989 to 19 October 19891990: 12 April 1990 to 24 October 19901991: 23 May 1991 to 21 October 19911992: 25 April 1992 to 12 October 19921993: 28 April 1993 to 26 October 19931994: 15 April 1994 to 9 October 19941995: 24 April 1995 to 20 October 19951996: 26 April 1996 to 9 October 19961997: 26 April 1997 to 17 October 19971998: 28 April 1998 to 20 September 19981999: 16 April 1999 to 21 October 19992000: 1 April 2000 to 2 October 20002001: 24 April 2001 to 15 October 20012002: 13 April 2002 to 14 October 20022003: 13 May 2003 to 28 October 20032004: 10 April 2004 to 14 October 20042005: 13 May 2005 to 17 October 20052006: 27 April 2006 to 12 October 20062007: 16 March 2007 to 24 October 20072008: 12 April 2008 to 26 October 20082009: 19 April 2009 to 28 September 20092010: 3 May 2010 to 15 October 20102011: 2 May 2011 to 23 October 20112012: 20 April 2012 to 18 October 20122013: 10 April 2013 to 19 September 20132014: 8 April 2014 to 13 October 20142015: 27 March 2015 to 20 October 20152016: 6 April 2016 to 10 October 20162017: 30 April 2017 to 28 October 20172018: 22 April 2018 to 20 October 20182019: 19 April 2019 to 26 October 20192020: 22 April 2020 to 21 October 20202021: 18 April 2021 to 4 October 20212022: 23 March 2022 to 21 October 20222023: 26 April 2023 to 20 October 20232024: 11 April 2024 to 15 October 20242025: 25 March 2025 to 7 October 20252026: 17 March 2026 to 9 October 202619491959196919791989199920092019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stockton AP meeting 30 C (86 F).
First to last qualifying date each year at Stockton AP
YearFirst dateLast date
19491949-04-211949-10-04
19501950-04-191950-10-13
19511951-04-091951-10-09
19521952-03-251952-10-10
19531953-04-241953-10-08
19541954-04-161954-10-15
19551955-05-101955-10-13
19561956-05-151956-10-01
19571957-04-051957-09-26
19581958-05-041958-10-17
19591959-04-231959-10-25
19601960-04-031960-10-05
19611961-04-031961-10-18
19621962-04-061962-10-01
19631963-05-161963-10-01
19641964-04-141964-10-22
19651965-04-251965-10-26
19661966-03-311966-10-25
19671967-05-081967-10-18
19681968-04-271968-10-26
19691969-05-051969-10-01
19701970-05-021970-10-11
19711971-05-141971-10-13
19721972-03-161972-10-07
19731973-04-241973-09-29
19741974-04-301974-10-18
19751975-05-121975-10-05
19761976-05-111976-10-15
19771977-04-061977-10-15
19781978-05-021978-10-15
19791979-05-101979-10-10
19801980-04-161980-10-09
19811981-04-231981-10-01
19821982-05-031982-10-14
19831983-05-171983-10-12
19841984-04-141984-10-07
19851985-04-131985-10-05
19861986-04-201986-10-09
19871987-04-151987-10-18
19881988-03-261988-10-20
19891989-04-051989-10-19
19901990-04-121990-10-24
19911991-05-231991-10-21
19921992-04-251992-10-12
19931993-04-281993-10-26
19941994-04-151994-10-09
19951995-04-241995-10-20
19961996-04-261996-10-09
19971997-04-261997-10-17
19981998-04-281998-09-20
19991999-04-161999-10-21
20002000-04-012000-10-02
20012001-04-242001-10-15
20022002-04-132002-10-14
20032003-05-132003-10-28
20042004-04-102004-10-14
20052005-05-132005-10-17
20062006-04-272006-10-12
20072007-03-162007-10-24
20082008-04-122008-10-26
20092009-04-192009-09-28
20102010-05-032010-10-15
20112011-05-022011-10-23
20122012-04-202012-10-18
20132013-04-102013-09-19
20142014-04-082014-10-13
20152015-03-272015-10-20
20162016-04-062016-10-10
20172017-04-302017-10-28
20182018-04-222018-10-20
20192019-04-192019-10-26
20202020-04-222020-10-21
20212021-04-182021-10-04
20222022-03-232022-10-21
20232023-04-262023-10-20
20242024-04-112024-10-15
20252025-03-252025-10-07
20262026-03-172026-10-09

Every Fixed Threshold

Fixed thresholds at Stockton AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days781532020128
35 C (95 F): Days7876202460
40 C (104 F): Days712119615
45 C (113 F): Days5420061
90 F (32.2 C): Days781292020101
100 F (37.8 C): Days7849202419
110 F (43.3 C): Days14619613
0 C (32 F): Ice days (max2219611
0 C (32 F): Frost days (min775119495
20 C (68 F): Tropical nights (min722219615
25 C (77 F): Days with min7320201
10 mm (0.39 in): Days with 10 mm or more rain782319827
25 mm (0.98 in): Days with 25 mm or more rain63819822
50 mm (1.97 in): Days with 50 mm or more rain10119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Stockton AP 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).