Built 2026-10-19 (19 October 2026)

Wells Threshold Days by Year (USC00268988)

15 fixed thresholds counted per year at Wells (USC00268988): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wells Thresholds

  • Wells: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1941 with 14.
  • Wells: days with a maximum temperature at or above 30 C (86 F) in 74 years, most in 1940 with 78.
  • Wells: days with a maximum temperature at or above 90 F (32.2 C) in 74 years, most in 1940 with 70.
  • Wells: days with a maximum temperature at or below 0 C (32 F) in 74 years, most in 1964 with 61.
  • 15 fixed thresholds have at least one qualifying day at Wells.
74 years with a qualifying day
Days at or above 30 C (86 F) per year at Wells Days per year at Wells with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1940. 0204060801896: 551897: 581898: 671909: 661910: 711911: 471912: 371940: 781941: 341942: 611943: 621944: 681945: 571946: 621947: 641948: 641949: 671950: 591951: 671952: 701953: 701954: 571955: 671956: 641957: 731958: 681959: 701960: 691961: 691962: 601963: 461964: 511965: 191966: 601967: 631968: 421969: 561970: 481971: 501972: 421973: 481974: 631975: 381976: 391977: 531978: 401979: 521980: 351981: 721982: 391983: 361984: 401985: 501986: 451987: 371988: 661989: 411990: 471991: 491992: 351993: 181994: 611995: 421996: 531997: 311998: 511999: 462000: 582001: 582002: 562003: 562021: 752022: 722023: 461896194119491957196519731981198919972022
Days per year at Wells with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1940.
Days at or above 30 C (86 F) per year at Wells
YearDaysDecade average
18965560
18975860
18986760
19096666
19107151.7
19114751.7
19123751.7
19407861.7
19413461.7
19426161.7
19436261.7
19446861.7
19455761.7
19466261.7
19476461.7
19486461.7
19496761.7
19505966.5
19516766.5
19527066.5
19537066.5
19545766.5
19556766.5
19566466.5
19577366.5
19586866.5
19597066.5
19606953.5
19616953.5
19626053.5
19634653.5
19645153.5
19651953.5
19666053.5
19676353.5
19684253.5
19695653.5
19704847.3
19715047.3
19724247.3
19734847.3
19746347.3
19753847.3
19763947.3
19775347.3
19784047.3
19795247.3
19803546.1
19817246.1
19823946.1
19833646.1
19844046.1
19855046.1
19864546.1
19873746.1
19886646.1
19894146.1
19904743.3
19914943.3
19923543.3
19931843.3
19946143.3
19954243.3
19965343.3
19973143.3
19985143.3
19994643.3
20005857
20015857
20025657
20035657
20217564.3
20227264.3
20234664.3
First to last qualifying date each year at Wells For each year, a bar from the first to the last day at Wells meeting 30 C (86 F). 1896: 8 June 1896 to 5 September 18961897: 29 May 1897 to 25 August 18971898: 11 May 1898 to 18 September 18981909: 3 June 1909 to 5 September 19091910: 24 May 1910 to 25 August 19101911: 11 June 1911 to 2 September 19111912: 2 July 1912 to 27 August 19121940: 11 June 1940 to 11 September 19401941: 11 May 1941 to 8 August 19411942: 30 June 1942 to 7 September 19421943: 27 May 1943 to 24 September 19431944: 13 May 1944 to 16 September 19441945: 21 June 1945 to 14 September 19451946: 4 June 1946 to 29 September 19461947: 2 May 1947 to 25 September 19471948: 16 May 1948 to 15 September 19481949: 10 June 1949 to 23 September 19491950: 5 June 1950 to 6 September 19501951: 27 May 1951 to 19 September 19511952: 5 June 1952 to 26 September 19521953: 11 June 1953 to 20 September 19531954: 6 May 1954 to 10 September 19541955: 7 June 1955 to 13 September 19551956: 9 June 1956 to 20 September 19561957: 3 June 1957 to 15 September 19571958: 19 May 1958 to 11 September 19581959: 12 May 1959 to 11 September 19591960: 11 May 1960 to 26 September 19601961: 8 June 1961 to 28 August 19611962: 23 June 1962 to 19 September 19621963: 1 July 1963 to 27 September 19631964: 25 June 1964 to 25 August 19641965: 3 July 1965 to 10 August 19651966: 14 June 1966 to 23 September 19661967: 22 May 1967 to 21 September 19671968: 17 June 1968 to 10 September 19681969: 4 June 1969 to 7 September 19691970: 21 June 1970 to 30 August 19701971: 21 June 1971 to 13 September 19711972: 29 May 1972 to 12 August 19721973: 8 June 1973 to 5 September 19731974: 11 June 1974 to 7 September 19741975: 30 June 1975 to 8 September 19751976: 19 June 1976 to 5 September 19761977: 1 June 1977 to 10 September 19771978: 20 June 1978 to 4 September 19781979: 4 June 1979 to 18 September 19791980: 25 June 1980 to 5 September 19801981: 5 June 1981 to 20 September 19811982: 20 June 1982 to 9 September 19821983: 27 May 1983 to 6 September 19831984: 29 May 1984 to 18 September 19841985: 7 June 1985 to 27 August 19851986: 26 May 1986 to 5 September 19861987: 13 June 1987 to 2 September 19871988: 3 June 1988 to 7 September 19881989: 14 June 1989 to 29 August 19891990: 21 June 1990 to 14 September 19901991: 2 July 1991 to 3 September 19911992: 21 June 1992 to 22 September 19921993: 26 June 1993 to 4 September 19931994: 30 May 1994 to 8 September 19941995: 26 June 1995 to 15 September 19951996: 7 June 1996 to 31 August 19961997: 26 June 1997 to 9 September 19971998: 29 June 1998 to 6 September 19981999: 14 June 1999 to 9 September 19992000: 4 June 2000 to 16 September 20002001: 24 May 2001 to 24 September 20012002: 30 May 2002 to 3 September 20022003: 23 May 2003 to 25 August 20032021: 3 June 2021 to 14 September 20212022: 27 May 2022 to 12 September 20222023: 2 July 2023 to 1 September 202318961943195319631973198319932003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wells meeting 30 C (86 F).
First to last qualifying date each year at Wells
YearFirst dateLast date
18961896-06-081896-09-05
18971897-05-291897-08-25
18981898-05-111898-09-18
19091909-06-031909-09-05
19101910-05-241910-08-25
19111911-06-111911-09-02
19121912-07-021912-08-27
19401940-06-111940-09-11
19411941-05-111941-08-08
19421942-06-301942-09-07
19431943-05-271943-09-24
19441944-05-131944-09-16
19451945-06-211945-09-14
19461946-06-041946-09-29
19471947-05-021947-09-25
19481948-05-161948-09-15
19491949-06-101949-09-23
19501950-06-051950-09-06
19511951-05-271951-09-19
19521952-06-051952-09-26
19531953-06-111953-09-20
19541954-05-061954-09-10
19551955-06-071955-09-13
19561956-06-091956-09-20
19571957-06-031957-09-15
19581958-05-191958-09-11
19591959-05-121959-09-11
19601960-05-111960-09-26
19611961-06-081961-08-28
19621962-06-231962-09-19
19631963-07-011963-09-27
19641964-06-251964-08-25
19651965-07-031965-08-10
19661966-06-141966-09-23
19671967-05-221967-09-21
19681968-06-171968-09-10
19691969-06-041969-09-07
19701970-06-211970-08-30
19711971-06-211971-09-13
19721972-05-291972-08-12
19731973-06-081973-09-05
19741974-06-111974-09-07
19751975-06-301975-09-08
19761976-06-191976-09-05
19771977-06-011977-09-10
19781978-06-201978-09-04
19791979-06-041979-09-18
19801980-06-251980-09-05
19811981-06-051981-09-20
19821982-06-201982-09-09
19831983-05-271983-09-06
19841984-05-291984-09-18
19851985-06-071985-08-27
19861986-05-261986-09-05
19871987-06-131987-09-02
19881988-06-031988-09-07
19891989-06-141989-08-29
19901990-06-211990-09-14
19911991-07-021991-09-03
19921992-06-211992-09-22
19931993-06-261993-09-04
19941994-05-301994-09-08
19951995-06-261995-09-15
19961996-06-071996-08-31
19971997-06-261997-09-09
19981998-06-291998-09-06
19991999-06-141999-09-09
20002000-06-042000-09-16
20012001-05-242001-09-24
20022002-05-302002-09-03
20032003-05-232003-08-25
20212021-06-032021-09-14
20222022-05-272022-09-12
20232023-07-022023-09-01

Every Fixed Threshold

Fixed thresholds at Wells
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7478194046
35 C (95 F): Days633419405
40 C (104 F): Days1119101
90 F (32.2 C): Days7470194025
100 F (37.8 C): Days14719101
0 C (32 F): Ice days (max7461196456
0 C (32 F): Frost days (min742411911187
-10 C (14 F): Days with min7490194481
-20 C (-4 F): Days with min733119447
-30 C (-22 F): Days with min231019494
20 C (68 F): Tropical nights (min81419423
10 mm (0.39 in): Days with 10 mm or more rain751419417
25 mm (0.98 in): Days with 25 mm or more rain21219441
10 cm (3.9 in): Days with 10 cm or more snowfall59919831
25 cm (9.8 in): Days with 25 cm or more snowfall15219961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

  • Data for Wells 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 (2025-12-31).