Big Wells 2W Threshold Days by Year

6 fixed thresholds counted per year at Big Wells 2W (USC00410787): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Big Wells 2W Thresholds

Big Wells 2W: days with 10 mm (0.39 in) or more of precipitation in 79 years, most in 2004 with 31.
Big Wells 2W: days with 25 mm (0.98 in) or more of precipitation in 79 years, most in 1987 with 15.
Big Wells 2W: days with 50 mm (1.97 in) or more of precipitation in 66 years, most in 1971 with 8.
Big Wells 2W: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 1945 with 2.
6 fixed thresholds have at least one qualifying day at Big Wells 2W.

Days with 10 mm (0.39 in) or more of precipitation

79 years with a qualifying day

Days per year at Big Wells 2W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 2004.

Days with 10 mm (0.39 in) or more of precipitation per year at Big Wells 2W
Year	Days	Decade average
1916	17	16.5
1917	5	16.5
1918	16	16.5
1919	28	16.5
1920	13	14
1921	9	14
1922	16	14
1923	24	14
1924	14	14
1925	9	14
1926	23	14
1927	6	14
1928	12	14
1929	14	14
1930	22	17.1
1931	22	17.1
1932	19	17.1
1933	10	17.1
1934	21	17.1
1935	21	17.1
1936	16	17.1
1937	17	17.1
1938	9	17.1
1939	14	17.1
1940	23	18.9
1941	19	18.9
1942	17	18.9
1943	14	18.9
1944	21	18.9
1945	15	18.9
1946	23	18.9
1948	17	18.9
1949	21	18.9
1950	13	11.9
1951	12	11.9
1952	10	11.9
1953	8	11.9
1954	9	11.9
1955	7	11.9
1956	6	11.9
1957	16	11.9
1958	23	11.9
1959	15	11.9
1960	21	15.1
1961	12	15.1
1962	12	15.1
1963	15	15.1
1964	12	15.1
1965	15	15.1
1966	13	15.1
1967	18	15.1
1968	18	15.1
1969	15	15.1
1970	18	17.8
1971	25	17.8
1972	20	17.8
1973	28	17.8
1974	15	17.8
1975	16	17.8
1976	21	17.8
1977	9	17.8
1978	11	17.8
1979	15	17.8
1980	11	15.7
1982	15	15.7
1983	16	15.7
1984	17	15.7
1986	19	15.7
1987	26	15.7
1989	6	15.7
1997	22	17.3
1998	15	17.3
1999	15	17.3
2000	15	18.8
2001	16	18.8
2002	20	18.8
2003	20	18.8
2004	31	18.8
2005	11	18.8

For each year, a bar from the first to the last day at Big Wells 2W meeting 10 mm (0.39 in).

First to last qualifying date each year at Big Wells 2W
Year	First date	Last date
1916	1916-01-21	1916-12-31
1917	1917-05-13	1917-09-04
1918	1918-03-29	1918-12-23
1919	1919-01-16	1919-12-19
1920	1920-01-05	1920-11-12
1921	1921-03-01	1921-12-01
1922	1922-03-25	1922-11-22
1923	1923-02-15	1923-12-13
1924	1924-02-17	1924-12-21
1925	1925-03-23	1925-11-05
1926	1926-01-01	1926-12-19
1927	1927-02-10	1927-12-28
1928	1928-01-08	1928-12-10
1929	1929-03-20	1929-12-15
1930	1930-03-15	1930-11-22
1931	1931-01-16	1931-12-07
1932	1932-02-18	1932-12-16
1933	1933-01-08	1933-09-08
1934	1934-01-11	1934-12-27
1935	1935-02-11	1935-12-11
1936	1936-04-22	1936-11-22
1937	1937-03-05	1937-12-30
1938	1938-01-23	1938-12-26
1939	1939-01-09	1939-12-25
1940	1940-01-22	1940-12-20
1941	1941-01-28	1941-10-24
1942	1942-01-15	1942-12-21
1943	1943-01-06	1943-12-10
1944	1944-01-01	1944-12-05
1945	1945-02-12	1945-11-11
1946	1946-01-13	1946-12-31
1948	1948-02-01	1948-12-17
1949	1949-02-23	1949-12-17
1950	1950-04-17	1950-09-25
1951	1951-02-14	1951-11-27
1952	1952-03-27	1952-12-30
1953	1953-03-12	1953-10-05
1954	1954-04-09	1954-10-05
1955	1955-02-05	1955-11-07
1956	1956-02-20	1956-10-18
1957	1957-02-17	1957-11-11
1958	1958-01-04	1958-11-04
1959	1959-02-01	1959-12-31
1960	1960-02-03	1960-12-30
1961	1961-01-25	1961-10-26
1962	1962-04-23	1962-11-06
1963	1963-02-11	1963-12-13
1964	1964-02-21	1964-10-26
1965	1965-02-04	1965-12-14
1966	1966-02-12	1966-10-24
1967	1967-02-06	1967-12-05
1968	1968-01-18	1968-12-01
1969	1969-02-14	1969-12-06
1970	1970-01-04	1970-09-27
1971	1971-04-20	1971-12-02
1972	1972-01-30	1972-11-24
1973	1973-01-25	1973-10-16
1974	1974-01-26	1974-12-27
1975	1975-02-02	1975-10-25
1976	1976-04-05	1976-12-14
1977	1977-01-22	1977-10-24
1978	1978-05-20	1978-12-30
1979	1979-01-18	1979-12-28
1980	1980-02-18	1980-12-17
1982	1982-01-10	1982-12-30
1983	1983-02-06	1983-11-07
1984	1984-01-09	1984-12-26
1986	1986-01-15	1986-11-24
1987	1987-01-15	1987-11-23
1989	1989-04-27	1989-08-21
1997	1997-03-11	1997-11-13
1998	1998-01-06	1998-11-14
1999	1999-01-01	1999-12-20
2000	2000-02-02	2000-11-18
2001	2001-01-10	2001-12-11
2002	2002-04-14	2002-12-09
2003	2003-01-11	2003-10-12
2004	2004-01-15	2004-11-17
2005	2005-01-27	2005-12-17

Every Fixed Threshold

Fixed thresholds at Big Wells 2W
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	79	31	2004	11
25 mm (0.98 in): Days with 25 mm or more rain	79	15	1987	4
50 mm (1.97 in): Days with 50 mm or more rain	66	8	1971	1
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1945	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1946	1
10 cm (3.9 in): Days with 10 cm or more snowfall	2	1	1926	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

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Data for Big Wells 2W 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).

Big Wells 2W Threshold Days by Year

Key Facts for Big Wells 2W Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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