Wasco Threshold Days by Year (USC00049452)

14 fixed thresholds counted per year at Wasco (USC00049452): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wasco Thresholds

Wasco: nights with a minimum temperature at or below 0 C (32 F) in 100 years, most in 1920 with 147.
Wasco: nights with a minimum temperature at or above 20 C (68 F) in 99 years, most in 1917 with 65.
Wasco: days with 10 mm (0.39 in) or more of precipitation in 94 years, most in 1905 with 10.
Wasco: days with a maximum temperature at or above 30 C (86 F) in 83 years, most in 1917 with 173.
14 fixed thresholds have at least one qualifying day at Wasco.

Days at or above 30 C (86 F)

83 years with a qualifying day

Days per year at Wasco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 173 in 1917.

Days at or above 30 C (86 F) per year at Wasco
Year	Days	Decade average
1902	128	128.8
1904	132	128.8
1905	132	128.8
1908	125	128.8
1909	127	128.8
1910	145	132
1914	102	132
1915	127	132
1916	113	132
1917	173	132
1918	127	132
1919	137	132
1920	151	139.2
1921	160	139.2
1922	165	139.2
1923	98	139.2
1924	144	139.2
1925	102	139.2
1926	150	139.2
1927	137	139.2
1928	150	139.2
1929	135	139.2
1930	108	140.5
1931	143	140.5
1932	136	140.5
1933	118	140.5
1934	137	140.5
1935	153	140.5
1936	139	140.5
1937	150	140.5
1938	158	140.5
1939	163	140.5
1940	163	143
1941	148	143
1942	146	143
1945	129	143
1946	147	143
1947	146	143
1948	122	143
1949	143	143
1950	142	138
1951	144	138
1952	140	138
1953	122	138
1954	139	138
1955	138	138
1956	141	138
1957	128	138
1958	147	138
1959	139	138
1960	145	132.7
1961	133	132.7
1962	136	132.7
1963	111	132.7
1964	129	132.7
1965	130	132.7
1966	138	132.7
1967	137	132.7
1968	135	132.7
1969	133	132.7
1970	139	138.8
1972	129	138.8
1973	149	138.8
1974	154	138.8
1975	128	138.8
1976	127	138.8
1977	136	138.8
1978	140	138.8
1979	147	138.8
1980	120	134.5
1981	149	134.5
1995	116	116
2003	164	141.7
2006	120	141.7
2007	141	141.7
2012	138	146.9
2013	143	146.9
2014	164	146.9
2015	160	146.9
2016	144	146.9
2017	135	146.9
2018	144	146.9
2026	137	137

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

First to last qualifying date each year at Wasco
Year	First date	Last date
1902	1902-03-16	1902-10-19
1904	1904-04-08	1904-10-03
1905	1905-04-05	1905-10-11
1908	1908-04-12	1908-10-30
1909	1909-04-26	1909-09-21
1910	1910-04-17	1910-10-17
1914	1914-05-04	1914-10-29
1915	1915-04-12	1915-10-31
1916	1916-05-01	1916-10-28
1917	1917-03-29	1917-10-29
1918	1918-04-18	1918-10-20
1919	1919-04-29	1919-10-19
1920	1920-04-28	1920-10-26
1921	1921-04-22	1921-11-18
1922	1922-04-24	1922-10-24
1923	1923-05-22	1923-11-20
1924	1924-04-19	1924-10-21
1925	1925-04-13	1925-09-01
1926	1926-04-14	1926-10-31
1927	1927-04-21	1927-10-21
1928	1928-04-26	1928-10-21
1929	1929-05-01	1929-11-06
1930	1930-04-18	1930-10-20
1931	1931-04-04	1931-11-04
1932	1932-04-10	1932-10-13
1933	1933-04-14	1933-10-18
1934	1934-04-11	1934-10-13
1935	1935-04-20	1935-10-11
1936	1936-04-11	1936-10-14
1937	1937-05-02	1937-10-29
1938	1938-04-08	1938-10-27
1939	1939-04-07	1939-11-01
1940	1940-03-16	1940-10-23
1941	1941-04-26	1941-11-14
1942	1942-05-05	1942-10-23
1945	1945-04-18	1945-11-05
1946	1946-03-10	1946-10-15
1947	1947-03-16	1947-10-21
1948	1948-04-15	1948-10-23
1949	1949-04-11	1949-11-07
1950	1950-04-17	1950-11-05
1951	1951-03-16	1951-10-15
1952	1952-03-28	1952-10-14
1953	1953-04-23	1953-10-10
1954	1954-04-16	1954-10-19
1955	1955-05-10	1955-11-08
1956	1956-04-10	1956-10-22
1957	1957-04-06	1957-10-10
1958	1958-04-13	1958-10-31
1959	1959-04-03	1959-10-26
1960	1960-03-20	1960-10-22
1961	1961-04-03	1961-10-19
1962	1962-04-07	1962-10-04
1963	1963-05-17	1963-10-15
1964	1964-04-14	1964-10-23
1965	1965-04-26	1965-10-27
1966	1966-04-01	1966-11-02
1967	1967-05-09	1967-10-25
1968	1968-03-30	1968-10-29
1969	1969-03-30	1969-10-07
1970	1970-05-02	1970-10-13
1972	1972-03-17	1972-10-08
1973	1973-04-25	1973-11-11
1974	1974-04-09	1974-10-19
1975	1975-05-10	1975-10-18
1976	1976-05-01	1976-10-15
1977	1977-04-06	1977-10-17
1978	1978-04-12	1978-10-25
1979	1979-04-27	1979-10-12
1980	1980-04-12	1980-09-30
1981	1981-04-15	1981-10-23
1995	1995-04-23	1995-10-21
2003	2003-04-01	2003-10-30
2006	2006-04-28	2006-09-29
2007	2007-03-12	2007-10-28
2012	2012-04-10	2012-10-31
2013	2013-03-31	2013-10-19
2014	2014-03-17	2014-10-31
2015	2015-03-11	2015-11-02
2016	2016-04-03	2016-11-12
2017	2017-03-15	2017-11-27
2018	2018-03-31	2018-10-21
2026	2026-03-18	2026-10-11

Every Fixed Threshold

Fixed thresholds at Wasco
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	83	173	1917	137
35 C (95 F): Days	83	119	1917	85
40 C (104 F): Days	81	53	1917	28
45 C (113 F): Days	15	6	1917	1
90 F (32.2 C): Days	83	153	1917	110
100 F (37.8 C): Days	83	90	1938	63
110 F (43.3 C): Days	47	23	1917	3
0 C (32 F): Frost days (min	100	147	1920	6
-10 C (14 F): Days with min	3	2	1919	1
20 C (68 F): Tropical nights (min	99	65	1917	37
25 C (77 F): Days with min	52	43	1917	2
10 mm (0.39 in): Days with 10 mm or more rain	94	10	1905	3
25 mm (0.98 in): Days with 25 mm or more rain	41	3	1908	1
50 mm (1.97 in): Days with 50 mm or more rain	4	1	1978	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Wasco 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Wasco Threshold Days by Year (USC00049452)

Key Facts for Wasco Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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