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.

Days at or above 30 C (86 F)

74 years with a qualifying day

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
Year	Days	Decade average
1896	55	60
1897	58	60
1898	67	60
1909	66	66
1910	71	51.7
1911	47	51.7
1912	37	51.7
1940	78	61.7
1941	34	61.7
1942	61	61.7
1943	62	61.7
1944	68	61.7
1945	57	61.7
1946	62	61.7
1947	64	61.7
1948	64	61.7
1949	67	61.7
1950	59	66.5
1951	67	66.5
1952	70	66.5
1953	70	66.5
1954	57	66.5
1955	67	66.5
1956	64	66.5
1957	73	66.5
1958	68	66.5
1959	70	66.5
1960	69	53.5
1961	69	53.5
1962	60	53.5
1963	46	53.5
1964	51	53.5
1965	19	53.5
1966	60	53.5
1967	63	53.5
1968	42	53.5
1969	56	53.5
1970	48	47.3
1971	50	47.3
1972	42	47.3
1973	48	47.3
1974	63	47.3
1975	38	47.3
1976	39	47.3
1977	53	47.3
1978	40	47.3
1979	52	47.3
1980	35	46.1
1981	72	46.1
1982	39	46.1
1983	36	46.1
1984	40	46.1
1985	50	46.1
1986	45	46.1
1987	37	46.1
1988	66	46.1
1989	41	46.1
1990	47	43.3
1991	49	43.3
1992	35	43.3
1993	18	43.3
1994	61	43.3
1995	42	43.3
1996	53	43.3
1997	31	43.3
1998	51	43.3
1999	46	43.3
2000	58	57
2001	58	57
2002	56	57
2003	56	57
2021	75	64.3
2022	72	64.3
2023	46	64.3

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
Year	First date	Last date
1896	1896-06-08	1896-09-05
1897	1897-05-29	1897-08-25
1898	1898-05-11	1898-09-18
1909	1909-06-03	1909-09-05
1910	1910-05-24	1910-08-25
1911	1911-06-11	1911-09-02
1912	1912-07-02	1912-08-27
1940	1940-06-11	1940-09-11
1941	1941-05-11	1941-08-08
1942	1942-06-30	1942-09-07
1943	1943-05-27	1943-09-24
1944	1944-05-13	1944-09-16
1945	1945-06-21	1945-09-14
1946	1946-06-04	1946-09-29
1947	1947-05-02	1947-09-25
1948	1948-05-16	1948-09-15
1949	1949-06-10	1949-09-23
1950	1950-06-05	1950-09-06
1951	1951-05-27	1951-09-19
1952	1952-06-05	1952-09-26
1953	1953-06-11	1953-09-20
1954	1954-05-06	1954-09-10
1955	1955-06-07	1955-09-13
1956	1956-06-09	1956-09-20
1957	1957-06-03	1957-09-15
1958	1958-05-19	1958-09-11
1959	1959-05-12	1959-09-11
1960	1960-05-11	1960-09-26
1961	1961-06-08	1961-08-28
1962	1962-06-23	1962-09-19
1963	1963-07-01	1963-09-27
1964	1964-06-25	1964-08-25
1965	1965-07-03	1965-08-10
1966	1966-06-14	1966-09-23
1967	1967-05-22	1967-09-21
1968	1968-06-17	1968-09-10
1969	1969-06-04	1969-09-07
1970	1970-06-21	1970-08-30
1971	1971-06-21	1971-09-13
1972	1972-05-29	1972-08-12
1973	1973-06-08	1973-09-05
1974	1974-06-11	1974-09-07
1975	1975-06-30	1975-09-08
1976	1976-06-19	1976-09-05
1977	1977-06-01	1977-09-10
1978	1978-06-20	1978-09-04
1979	1979-06-04	1979-09-18
1980	1980-06-25	1980-09-05
1981	1981-06-05	1981-09-20
1982	1982-06-20	1982-09-09
1983	1983-05-27	1983-09-06
1984	1984-05-29	1984-09-18
1985	1985-06-07	1985-08-27
1986	1986-05-26	1986-09-05
1987	1987-06-13	1987-09-02
1988	1988-06-03	1988-09-07
1989	1989-06-14	1989-08-29
1990	1990-06-21	1990-09-14
1991	1991-07-02	1991-09-03
1992	1992-06-21	1992-09-22
1993	1993-06-26	1993-09-04
1994	1994-05-30	1994-09-08
1995	1995-06-26	1995-09-15
1996	1996-06-07	1996-08-31
1997	1997-06-26	1997-09-09
1998	1998-06-29	1998-09-06
1999	1999-06-14	1999-09-09
2000	2000-06-04	2000-09-16
2001	2001-05-24	2001-09-24
2002	2002-05-30	2002-09-03
2003	2003-05-23	2003-08-25
2021	2021-06-03	2021-09-14
2022	2022-05-27	2022-09-12
2023	2023-07-02	2023-09-01

Every Fixed Threshold

Fixed thresholds at Wells
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	74	78	1940	46
35 C (95 F): Days	63	34	1940	5
40 C (104 F): Days	1	1	1910	1
90 F (32.2 C): Days	74	70	1940	25
100 F (37.8 C): Days	14	7	1910	1
0 C (32 F): Ice days (max	74	61	1964	56
0 C (32 F): Frost days (min	74	241	1911	187
-10 C (14 F): Days with min	74	90	1944	81
-20 C (-4 F): Days with min	73	31	1944	7
-30 C (-22 F): Days with min	23	10	1949	4
20 C (68 F): Tropical nights (min	8	14	1942	3
10 mm (0.39 in): Days with 10 mm or more rain	75	14	1941	7
25 mm (0.98 in): Days with 25 mm or more rain	21	2	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	59	9	1983	1
25 cm (9.8 in): Days with 25 cm or more snowfall	15	2	1996	1

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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Wells Threshold Days by Year (USC00268988)

Key Facts for Wells Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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