Weiser Threshold Days by Year

19 fixed thresholds counted per year at Weiser (USC00109638): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Weiser Thresholds

Weiser: nights with a minimum temperature at or below 0 C (32 F) in 88 years, most in 1985 with 178.
Weiser: nights with a minimum temperature at or below -10 C (14 F) in 87 years, most in 1985 with 75.
Weiser: days with a maximum temperature at or above 30 C (86 F) in 83 years, most in 1924 with 118.
Weiser: days with a maximum temperature at or above 35 C (95 F) in 83 years, most in 1922 with 76.
19 fixed thresholds have at least one qualifying day at Weiser.

Days at or above 30 C (86 F)

83 years with a qualifying day

Days per year at Weiser with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 1924.

Days at or above 30 C (86 F) per year at Weiser
Year	Days	Decade average
1912	65	90.4
1913	92	90.4
1914	91	90.4
1915	80	90.4
1917	98	90.4
1918	102	90.4
1919	105	90.4
1920	79	91.7
1921	93	91.7
1922	111	91.7
1923	89	91.7
1924	118	91.7
1925	94	91.7
1926	77	91.7
1927	80	91.7
1928	90	91.7
1929	86	91.7
1930	89	93.9
1931	92	93.9
1932	89	93.9
1933	90	93.9
1934	107	93.9
1935	106	93.9
1936	114	93.9
1937	92	93.9
1938	83	93.9
1939	77	93.9
1940	74	83.2
1941	67	83.2
1942	76	83.2
1943	95	83.2
1944	84	83.2
1945	80	83.2
1946	83	83.2
1947	85	83.2
1948	87	83.2
1949	101	83.2
1950	82	75.3
1951	77	75.3
1952	91	75.3
1953	74	75.3
1954	64	75.3
1955	74	75.3
1956	74	75.3
1957	67	75.3
1958	80	75.3
1959	70	75.3
1960	73	72.9
1961	82	72.9
1962	62	72.9
1964	60	72.9
1965	51	72.9
1966	86	72.9
1967	89	72.9
1968	68	72.9
1969	85	72.9
1970	82	70.9
1971	70	70.9
1972	76	70.9
1973	70	70.9
1974	84	70.9
1975	57	70.9
1976	50	70.9
1977	93	70.9
1978	56	70.9
1984	69	65.7
1985	67	65.7
1989	61	65.7
1992	81	77.2
1996	67	77.2
1997	84	77.2
1998	77	77.2
1999	77	77.2
2000	81	83.8
2001	86	83.8
2002	79	83.8
2003	97	83.8
2004	74	83.8
2005	73	83.8
2006	83	83.8
2007	95	83.8
2008	85	83.8
2009	85	83.8

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

First to last qualifying date each year at Weiser
Year	First date	Last date
1912	1912-06-01	1912-09-28
1913	1913-05-06	1913-09-20
1914	1914-05-13	1914-09-30
1915	1915-04-28	1915-09-21
1917	1917-05-14	1917-10-07
1918	1918-05-03	1918-09-28
1919	1919-05-19	1919-09-25
1920	1920-06-03	1920-10-05
1921	1921-05-13	1921-10-10
1922	1922-05-16	1922-10-10
1923	1923-04-16	1923-09-20
1924	1924-05-01	1924-09-29
1925	1925-05-03	1925-09-26
1926	1926-04-25	1926-09-09
1927	1927-04-25	1927-09-22
1928	1928-05-05	1928-09-18
1929	1929-05-20	1929-09-18
1930	1930-04-21	1930-09-21
1931	1931-05-06	1931-09-27
1932	1932-05-11	1932-10-03
1933	1933-05-25	1933-10-09
1934	1934-04-12	1934-10-11
1935	1935-05-20	1935-10-07
1936	1936-04-15	1936-10-10
1937	1937-05-02	1937-09-19
1938	1938-05-23	1938-09-26
1939	1939-05-15	1939-09-26
1940	1940-05-22	1940-09-24
1941	1941-05-10	1941-09-05
1942	1942-04-21	1942-09-25
1943	1943-04-13	1943-10-04
1944	1944-05-05	1944-09-26
1945	1945-05-02	1945-10-12
1946	1946-04-25	1946-09-30
1947	1947-04-14	1947-09-25
1948	1948-05-15	1948-09-21
1949	1949-05-08	1949-09-28
1950	1950-05-12	1950-10-13
1951	1951-05-22	1951-09-19
1952	1952-04-25	1952-10-03
1953	1953-05-05	1953-09-21
1954	1954-05-07	1954-09-10
1955	1955-05-21	1955-09-13
1956	1956-05-18	1956-09-19
1957	1957-05-30	1957-09-30
1958	1958-05-18	1958-09-11
1959	1959-05-13	1959-09-13
1960	1960-06-01	1960-09-28
1961	1961-05-20	1961-09-15
1962	1962-06-18	1962-09-26
1964	1964-05-19	1964-09-14
1965	1965-06-06	1965-08-18
1966	1966-05-02	1966-09-23
1967	1967-05-21	1967-09-28
1968	1968-06-01	1968-09-11
1969	1969-05-07	1969-09-28
1970	1970-05-16	1970-09-30
1971	1971-05-03	1971-10-08
1972	1972-05-15	1972-09-05
1973	1973-05-14	1973-09-14
1974	1974-06-02	1974-09-25
1975	1975-06-02	1975-09-16
1976	1976-05-13	1976-09-05
1977	1977-04-23	1977-09-13
1978	1978-06-04	1978-09-05
1984	1984-05-28	1984-09-19
1985	1985-05-02	1985-09-05
1989	1989-05-06	1989-09-29
1992	1992-05-05	1992-10-01
1996	1996-06-03	1996-10-08
1997	1997-05-10	1997-10-01
1998	1998-05-01	1998-09-29
1999	1999-05-23	1999-09-23
2000	2000-05-21	2000-09-18
2001	2001-05-11	2001-09-24
2002	2002-05-18	2002-09-15
2003	2003-05-23	2003-10-06
2004	2004-05-02	2004-09-29
2005	2005-05-27	2005-09-08
2006	2006-05-14	2006-09-29
2007	2007-05-11	2007-09-16
2008	2008-05-15	2008-10-01
2009	2009-05-17	2009-09-26

Every Fixed Threshold

Fixed thresholds at Weiser
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	83	118	1924	85
35 C (95 F): Days	83	76	1922	39
40 C (104 F): Days	52	23	1925	1
45 C (113 F): Days	2	3	1925	3
90 F (32.2 C): Days	83	100	1922	64
100 F (37.8 C): Days	81	44	1922	10
110 F (43.3 C): Days	15	7	1925	1
0 C (32 F): Ice days (max	82	66	1985	29
0 C (32 F): Frost days (min	88	178	1985	160
-10 C (14 F): Days with min	87	75	1985	15
-20 C (-4 F): Days with min	53	34	1985	2
-30 C (-22 F): Days with min	10	6	1989	2
20 C (68 F): Tropical nights (min	58	14	1942	2
25 C (77 F): Days with min	3	1	1924	1
10 mm (0.39 in): Days with 10 mm or more rain	83	15	1940	6
25 mm (0.98 in): Days with 25 mm or more rain	25	2	1913	1
50 mm (1.97 in): Days with 50 mm or more rain	1	0	n/a	1
10 cm (3.9 in): Days with 10 cm or more snowfall	38	4	1912	3
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

Data for Weiser 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Weiser Threshold Days by Year

Key Facts for Weiser Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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