Park River Threshold Days by Year (USC00326857)

19 fixed thresholds counted per year at Park River (USC00326857): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Park River Thresholds

Park River: nights with a minimum temperature at or below 0 C (32 F) in 82 years, most in 1945 with 219.
Park River: nights with a minimum temperature at or below -10 C (14 F) in 82 years, most in 1936 with 140.
Park River: nights with a minimum temperature at or below -20 C (-4 F) in 82 years, most in 1936 with 83.
Park River: days with a maximum temperature at or above 30 C (86 F) in 80 years, most in 1988 with 64.
19 fixed thresholds have at least one qualifying day at Park River.

Days at or above 30 C (86 F)

80 years with a qualifying day

Days per year at Park River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 1988.

Days at or above 30 C (86 F) per year at Park River
Year	Days	Decade average
1905	13	20
1906	29	20
1907	10	20
1908	28	20
1911	45	29
1912	14	29
1913	33	29
1914	51	29
1915	15	29
1916	25	29
1918	20	29
1921	27	19.4
1922	25	19.4
1924	7	19.4
1926	24	19.4
1927	9	19.4
1928	17	19.4
1929	27	19.4
1930	32	38.4
1931	41	38.4
1932	33	38.4
1933	60	38.4
1934	44	38.4
1935	24	38.4
1936	44	38.4
1937	29	38.4
1938	33	38.4
1939	44	38.4
1940	37	26.8
1941	35	26.8
1942	3	26.8
1943	28	26.8
1944	15	26.8
1945	20	26.8
1946	31	26.8
1947	32	26.8
1948	31	26.8
1949	36	26.8
1950	13	27
1951	15	27
1952	43	27
1953	31	27
1954	19	27
1955	44	27
1956	14	27
1957	26	27
1958	21	27
1959	44	27
1960	44	32.4
1961	58	32.4
1962	14	32.4
1963	48	32.4
1964	19	32.4
1965	19	32.4
1966	34	32.4
1967	36	32.4
1968	12	32.4
1969	40	32.4
1970	43	28.3
1971	18	28.3
1972	34	28.3
1973	30	28.3
1974	29	28.3
1975	19	28.3
1977	28	28.3
1978	33	28.3
1979	21	28.3
1980	44	39.9
1981	21	39.9
1982	17	39.9
1983	55	39.9
1985	19	39.9
1986	29	39.9
1987	51	39.9
1988	64	39.9
1989	59	39.9
1990	49	31.8
1991	43	31.8
1992	26	31.8
1994	9	31.8

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

First to last qualifying date each year at Park River
Year	First date	Last date
1905	1905-06-03	1905-09-29
1906	1906-05-11	1906-09-21
1907	1907-06-16	1907-08-22
1908	1908-04-21	1908-09-21
1911	1911-05-17	1911-09-16
1912	1912-06-23	1912-09-05
1913	1913-05-26	1913-09-06
1914	1914-05-17	1914-10-02
1915	1915-07-28	1915-09-06
1916	1916-07-05	1916-08-29
1918	1918-05-04	1918-08-27
1921	1921-05-27	1921-09-01
1922	1922-06-04	1922-10-03
1924	1924-07-06	1924-08-29
1926	1926-04-29	1926-09-15
1927	1927-06-27	1927-09-14
1928	1928-05-07	1928-09-07
1929	1929-05-25	1929-09-22
1930	1930-05-03	1930-09-10
1931	1931-05-14	1931-09-11
1932	1932-05-13	1932-09-08
1933	1933-05-18	1933-09-23
1934	1934-04-30	1934-10-13
1935	1935-07-15	1935-09-16
1936	1936-05-27	1936-10-08
1937	1937-06-23	1937-09-21
1938	1938-06-05	1938-09-25
1939	1939-05-02	1939-09-02
1940	1940-05-11	1940-09-16
1941	1941-05-04	1941-09-19
1942	1942-07-11	1942-08-21
1943	1943-06-18	1943-09-29
1944	1944-05-29	1944-08-12
1945	1945-06-21	1945-09-06
1946	1946-06-11	1946-09-16
1947	1947-04-28	1947-09-05
1948	1948-05-19	1948-09-12
1949	1949-06-10	1949-09-25
1950	1950-06-04	1950-09-07
1951	1951-05-23	1951-08-02
1952	1952-04-19	1952-09-28
1953	1953-05-06	1953-10-02
1954	1954-06-23	1954-09-01
1955	1955-05-13	1955-09-15
1956	1956-06-08	1956-09-27
1957	1957-07-01	1957-08-11
1958	1958-05-12	1958-08-19
1959	1959-06-03	1959-09-13
1960	1960-05-31	1960-09-21
1961	1961-05-20	1961-09-01
1962	1962-06-27	1962-09-02
1963	1963-05-30	1963-10-05
1964	1964-05-20	1964-07-24
1965	1965-05-13	1965-08-23
1966	1966-05-21	1966-09-13
1967	1967-05-24	1967-09-11
1968	1968-05-01	1968-09-15
1969	1969-05-14	1969-09-14
1970	1970-05-17	1970-09-20
1971	1971-06-03	1971-09-07
1972	1972-05-15	1972-08-31
1973	1973-06-02	1973-08-31
1974	1974-06-03	1974-09-27
1975	1975-07-04	1975-07-31
1977	1977-04-30	1977-08-09
1978	1978-05-23	1978-09-11
1979	1979-06-13	1979-09-17
1980	1980-04-18	1980-09-07
1981	1981-05-21	1981-09-12
1982	1982-05-03	1982-09-10
1983	1983-06-10	1983-09-28
1985	1985-04-28	1985-08-09
1986	1986-05-26	1986-08-20
1987	1987-04-18	1987-09-15
1988	1988-05-18	1988-10-14
1989	1989-05-14	1989-10-01
1990	1990-04-21	1990-09-12
1991	1991-05-10	1991-09-09
1992	1992-05-01	1992-10-03
1994	1994-05-17	1994-09-09

Every Fixed Threshold

Fixed thresholds at Park River
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	80	64	1988	9
35 C (95 F): Days	65	25	1988	5
40 C (104 F): Days	6	4	1936	1
90 F (32.2 C): Days	79	46	1988	1
100 F (37.8 C): Days	26	8	1936	3
0 C (32 F): Ice days (max	80	130	1950	86
0 C (32 F): Frost days (min	82	219	1945	167
-10 C (14 F): Days with min	82	140	1936	90
-20 C (-4 F): Days with min	82	83	1936	48
-30 C (-22 F): Days with min	80	33	1936	11
-40 C (-40 F): Days with min	3	2	1936	2
20 C (68 F): Tropical nights (min	61	29	1975	1
25 C (77 F): Days with min	2	1	1975	1
10 mm (0.39 in): Days with 10 mm or more rain	71	25	1941	14
25 mm (0.98 in): Days with 25 mm or more rain	71	7	1962	2
50 mm (1.97 in): Days with 50 mm or more rain	26	2	1953	2
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1956	1
10 cm (3.9 in): Days with 10 cm or more snowfall	26	4	1948	2
25 cm (9.8 in): Days with 25 cm or more snowfall	5	2	1964	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Park River 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).

Park River Threshold Days by Year (USC00326857)

Key Facts for Park River Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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