Sprague Threshold Days by Year (CA005022760)

18 fixed thresholds counted per year at Sprague (CA005022760): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sprague Thresholds

Sprague: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 1933 with 140.
Sprague: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 1961 with 27.
Sprague: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1917 with 241.
Sprague: nights with a minimum temperature at or below -10 C (14 F) in 66 years, most in 1936 with 141.
18 fixed thresholds have at least one qualifying day at Sprague.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Sprague with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1961.

Days at or above 30 C (86 F) per year at Sprague
Year	Days	Decade average
1916	12	11.8
1917	10	11.8
1918	9	11.8
1919	16	11.8
1920	3	7.8
1921	17	7.8
1922	7	7.8
1923	12	7.8
1924	2	7.8
1925	6	7.8
1926	5	7.8
1928	4	7.8
1929	14	7.8
1930	10	15.8
1931	15	15.8
1932	13	15.8
1933	19	15.8
1934	11	15.8
1935	12	15.8
1936	23	15.8
1937	7	15.8
1938	26	15.8
1939	22	15.8
1940	19	17
1941	26	17
1942	3	17
1943	17	17
1944	13	17
1945	13	17
1946	17	17
1947	21	17
1948	18	17
1949	23	17
1950	4	8.4
1951	8	8.4
1952	19	8.4
1953	9	8.4
1954	4	8.4
1956	4	8.4
1957	10	8.4
1958	7	8.4
1959	11	8.4
1960	12	11.3
1961	27	11.3
1962	2	11.3
1963	19	11.3
1964	14	11.3
1965	4	11.3
1966	11	11.3
1967	9	11.3
1968	2	11.3
1969	13	11.3
1970	18	10.6
1971	5	10.6
1972	12	10.6
1973	6	10.6
1974	11	10.6
1975	9	10.6
1976	15	10.6
1977	10	10.6
1978	13	10.6
1979	7	10.6
1980	24	15.3
1981	6	15.3
1982	4	15.3
1983	27	15.3

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

First to last qualifying date each year at Sprague
Year	First date	Last date
1916	1916-07-05	1916-08-18
1917	1917-06-10	1917-08-17
1918	1918-05-04	1918-08-27
1919	1919-05-27	1919-08-19
1920	1920-08-09	1920-08-25
1921	1921-06-16	1921-09-02
1922	1922-06-05	1922-08-23
1923	1923-05-27	1923-07-22
1924	1924-07-06	1924-08-29
1925	1925-05-30	1925-08-28
1926	1926-05-06	1926-08-27
1928	1928-05-23	1928-08-12
1929	1929-06-16	1929-09-01
1930	1930-05-21	1930-08-25
1931	1931-06-18	1931-09-11
1932	1932-05-13	1932-08-23
1933	1933-06-01	1933-08-15
1934	1934-05-26	1934-08-17
1935	1935-07-16	1935-08-15
1936	1936-05-30	1936-08-10
1937	1937-06-23	1937-08-14
1938	1938-06-20	1938-10-09
1939	1939-05-05	1939-09-02
1940	1940-05-31	1940-09-05
1941	1941-05-18	1941-09-19
1942	1942-07-11	1942-07-23
1943	1943-06-18	1943-08-06
1944	1944-05-29	1944-08-08
1945	1945-06-21	1945-09-06
1946	1946-06-21	1946-08-24
1947	1947-07-03	1947-09-05
1948	1948-05-20	1948-09-04
1949	1949-06-09	1949-08-24
1950	1950-07-27	1950-08-15
1951	1951-05-23	1951-08-01
1952	1952-04-26	1952-09-27
1953	1953-05-07	1953-08-31
1954	1954-07-11	1954-07-28
1956	1956-06-09	1956-08-26
1957	1957-07-10	1957-08-19
1958	1958-05-12	1958-08-11
1959	1959-06-05	1959-08-05
1960	1960-07-07	1960-09-05
1961	1961-05-30	1961-08-29
1962	1962-06-26	1962-08-02
1963	1963-06-04	1963-09-10
1964	1964-05-21	1964-08-05
1965	1965-08-05	1965-08-13
1966	1966-06-28	1966-08-26
1967	1967-07-19	1967-08-24
1968	1968-07-06	1968-08-05
1969	1969-05-27	1969-08-29
1970	1970-06-06	1970-09-05
1971	1971-06-03	1971-08-28
1972	1972-05-16	1972-08-30
1973	1973-06-14	1973-08-29
1974	1974-06-27	1974-08-19
1975	1975-07-14	1975-08-24
1976	1976-06-05	1976-09-11
1977	1977-05-12	1977-07-23
1978	1978-05-25	1978-09-05
1979	1979-06-14	1979-09-04
1980	1980-04-21	1980-09-07
1981	1981-07-05	1981-08-13
1982	1982-07-12	1982-09-10
1983	1983-07-08	1983-09-02

Every Fixed Threshold

Fixed thresholds at Sprague
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	27	1961	27
35 C (95 F): Days	17	6	1931	1
90 F (32.2 C): Days	55	15	1936	8
100 F (37.8 C): Days	2	2	1936	1
0 C (32 F): Ice days (max	67	140	1933	111
0 C (32 F): Frost days (min	66	241	1917	202
-10 C (14 F): Days with min	66	141	1936	89
-20 C (-4 F): Days with min	66	96	1950	42
-30 C (-22 F): Days with min	65	52	1917	14
-40 C (-40 F): Days with min	48	11	1917	6
20 C (68 F): Tropical nights (min	41	10	1917	4
25 C (77 F): Days with min	1	1	1919	1
10 mm (0.39 in): Days with 10 mm or more rain	64	28	1965	21
25 mm (0.98 in): Days with 25 mm or more rain	61	9	1981	3
50 mm (1.97 in): Days with 50 mm or more rain	27	4	1937	3
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1937	1
10 cm (3.9 in): Days with 10 cm or more snowfall	55	8	1916	3
25 cm (9.8 in): Days with 25 cm or more snowfall	8	2	1916	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.

Download the Data

Data for Sprague 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).

Sprague Threshold Days by Year (CA005022760)

Key Facts for Sprague Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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