Bison 3NW Threshold Days by Year (USC00140865)

21 fixed thresholds counted per year at Bison 3NW (USC00140865): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bison 3NW Thresholds

Bison 3NW: days with a maximum temperature at or above 30 C (86 F) in 88 years, most in 1956 with 144.
Bison 3NW: days with a maximum temperature at or above 35 C (95 F) in 88 years, most in 1956 with 86.
Bison 3NW: days with a maximum temperature at or above 90 F (32.2 C) in 88 years, most in 1956 with 119.
Bison 3NW: days with a maximum temperature at or above 100 F (37.8 C) in 88 years, most in 1936 with 55.
21 fixed thresholds have at least one qualifying day at Bison 3NW.

Days at or above 30 C (86 F)

88 years with a qualifying day

Days per year at Bison 3NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 144 in 1956.

Days at or above 30 C (86 F) per year at Bison 3NW
Year	Days	Decade average
1924	83	89.8
1925	103	89.8
1926	107	89.8
1927	88	89.8
1928	72	89.8
1929	86	89.8
1930	92	108.6
1931	112	108.6
1932	99	108.6
1933	114	108.6
1934	111	108.6
1935	95	108.6
1936	112	108.6
1937	105	108.6
1938	114	108.6
1939	132	108.6
1940	98	92
1941	91	92
1942	93	92
1943	104	92
1944	78	92
1945	83	92
1946	87	92
1947	101	92
1948	98	92
1949	87	92
1950	77	104.5
1951	69	104.5
1952	115	104.5
1953	122	104.5
1954	120	104.5
1955	113	104.5
1956	144	104.5
1957	84	104.5
1958	95	104.5
1959	106	104.5
1960	93	97.8
1961	79	97.8
1962	95	97.8
1963	122	97.8
1964	107	97.8
1965	94	97.8
1966	105	97.8
1967	86	97.8
1968	111	97.8
1969	86	97.8
1970	113	99
1971	102	99
1972	99	99
1973	86	99
1974	95	99
1975	108	99
1976	98	99
1977	90	99
1978	92	99
1979	107	99
1980	111	93.8
1981	95	93.8
1982	83	93.8
1983	99	93.8
1984	100	93.8
1985	80	93.8
1986	94	93.8
1987	84	93.8
1988	104	93.8
1989	88	93.8
1990	96	93.9
1992	78	93.9
1993	85	93.9
1994	127	93.9
1995	85	93.9
1996	94	93.9
1997	92	93.9
2000	92	84.9
2001	92	84.9
2002	102	84.9
2003	91	84.9
2004	75	84.9
2005	95	84.9
2006	96	84.9
2007	77	84.9
2008	67	84.9
2009	62	84.9
2010	94	95.6
2011	106	95.6
2012	113	95.6
2013	83	95.6
2014	82	95.6

For each year, a bar from the first to the last day at Bison 3NW meeting 30 C (86 F).

First to last qualifying date each year at Bison 3NW
Year	First date	Last date
1924	1924-04-07	1924-10-01
1925	1925-03-06	1925-09-29
1926	1926-04-17	1926-10-27
1927	1927-04-26	1927-11-10
1928	1928-04-02	1928-10-11
1929	1929-03-24	1929-10-16
1930	1930-04-09	1930-09-23
1931	1931-04-07	1931-10-24
1932	1932-04-05	1932-10-12
1933	1933-04-18	1933-10-05
1934	1934-04-10	1934-10-26
1935	1935-03-14	1935-10-15
1936	1936-04-12	1936-10-19
1937	1937-04-16	1937-10-29
1938	1938-03-21	1938-10-31
1939	1939-04-14	1939-10-26
1940	1940-03-31	1940-10-22
1941	1941-05-13	1941-10-13
1942	1942-04-04	1942-10-07
1943	1943-03-29	1943-10-19
1944	1944-05-15	1944-09-26
1945	1945-04-09	1945-10-12
1946	1946-03-31	1946-09-26
1947	1947-05-03	1947-10-21
1948	1948-04-10	1948-10-15
1949	1949-04-24	1949-10-07
1950	1950-03-25	1950-10-31
1951	1951-04-28	1951-10-11
1952	1952-04-08	1952-10-26
1953	1953-03-20	1953-10-12
1954	1954-04-05	1954-10-10
1955	1955-04-15	1955-10-11
1956	1956-03-25	1956-10-13
1957	1957-05-29	1957-10-06
1958	1958-05-21	1958-10-16
1959	1959-04-02	1959-10-25
1960	1960-04-21	1960-10-10
1961	1961-04-19	1961-10-17
1962	1962-04-20	1962-10-14
1963	1963-03-28	1963-10-18
1964	1964-04-01	1964-10-16
1965	1965-04-20	1965-10-10
1966	1966-03-31	1966-10-27
1967	1967-03-23	1967-10-12
1968	1968-03-30	1968-10-30
1969	1969-05-26	1969-10-09
1970	1970-04-27	1970-10-06
1971	1971-03-31	1971-10-10
1972	1972-02-29	1972-10-10
1973	1973-05-18	1973-10-23
1974	1974-05-10	1974-10-10
1975	1975-05-17	1975-10-22
1976	1976-02-09	1976-10-11
1977	1977-04-28	1977-10-27
1978	1978-04-01	1978-10-21
1979	1979-05-07	1979-10-21
1980	1980-04-22	1980-11-09
1981	1981-02-21	1981-10-05
1982	1982-04-13	1982-10-19
1983	1983-05-25	1983-10-06
1984	1984-04-26	1984-09-24
1985	1985-04-16	1985-10-08
1986	1986-03-29	1986-09-29
1987	1987-04-18	1987-10-05
1988	1988-03-23	1988-10-17
1989	1989-03-11	1989-10-24
1990	1990-04-23	1990-10-27
1992	1992-04-10	1992-10-21
1993	1993-05-14	1993-10-06
1994	1994-03-17	1994-10-05
1995	1995-04-07	1995-10-22
1996	1996-04-02	1996-10-16
1997	1997-03-20	1997-10-06
2000	2000-04-19	2000-10-02
2001	2001-04-20	2001-09-23
2002	2002-04-15	2002-10-02
2003	2003-04-02	2003-10-24
2004	2004-04-17	2004-09-20
2005	2005-05-11	2005-10-19
2006	2006-03-01	2006-11-09
2007	2007-06-07	2007-10-21
2008	2008-05-20	2008-09-29
2009	2009-04-25	2009-10-01
2010	2010-04-06	2010-10-16
2011	2011-04-04	2011-10-25
2012	2012-04-02	2012-10-21
2013	2013-03-16	2013-10-04
2014	2014-04-10	2014-10-26

Every Fixed Threshold

Fixed thresholds at Bison 3NW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	88	144	1956	82
35 C (95 F): Days	88	86	1956	31
40 C (104 F): Days	75	38	1934	1
45 C (113 F): Days	7	6	1936	1
90 F (32.2 C): Days	88	119	1956	57
100 F (37.8 C): Days	88	55	1936	7
110 F (43.3 C): Days	24	13	1936	1
0 C (32 F): Ice days (max	88	51	1978	33
0 C (32 F): Frost days (min	88	160	2013	150
-10 C (14 F): Days with min	88	58	1978	55
-20 C (-4 F): Days with min	73	13	1924	9
-30 C (-22 F): Days with min	4	2	1989	2
20 C (68 F): Tropical nights (min	88	58	1934	9
25 C (77 F): Days with min	41	15	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	84	31	1957	21
25 mm (0.98 in): Days with 25 mm or more rain	83	13	1973	8
50 mm (1.97 in): Days with 50 mm or more rain	46	5	2001	3
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1927	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1927	1
10 cm (3.9 in): Days with 10 cm or more snowfall	51	7	1960	2
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1924	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

Data for Bison 3NW 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).

Bison 3NW Threshold Days by Year (USC00140865)

Key Facts for Bison 3NW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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