Parshall Threshold Days by Year (USC00326867)

19 fixed thresholds counted per year at Parshall (USC00326867): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parshall Thresholds

Parshall: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 1961 with 65.
Parshall: days with a maximum temperature at or above 90 F (32.2 C) in 47 years, most in 1936 with 48.
Parshall: days with a maximum temperature at or below 0 C (32 F) in 47 years, most in 1950 with 118.
Parshall: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1943 with 228.
19 fixed thresholds have at least one qualifying day at Parshall.

Days at or above 30 C (86 F)

47 years with a qualifying day

Days per year at Parshall with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1961.

Days at or above 30 C (86 F) per year at Parshall
Year	Days	Decade average
1932	32	41.5
1933	38	41.5
1934	51	41.5
1935	30	41.5
1936	64	41.5
1937	39	41.5
1938	32	41.5
1939	46	41.5
1940	40	29
1941	28	29
1942	21	29
1943	14	29
1944	15	29
1945	30	29
1946	29	29
1947	30	29
1948	37	29
1949	46	29
1950	25	33.2
1951	23	33.2
1952	41	33.2
1953	25	33.2
1954	27	33.2
1955	44	33.2
1956	24	33.2
1957	34	33.2
1958	39	33.2
1959	50	33.2
1960	54	36.7
1961	65	36.7
1962	22	36.7
1963	34	36.7
1964	31	36.7
1965	14	36.7
1966	42	36.7
1967	45	36.7
1968	26	36.7
1969	34	36.7
1970	51	35.4
1971	35	35.4
1972	29	35.4
1973	29	35.4
1974	33	35.4
1975	28	35.4
1976	51	35.4
1977	28	35.4
1978	35	35.4

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

First to last qualifying date each year at Parshall
Year	First date	Last date
1932	1932-05-13	1932-09-08
1933	1933-06-01	1933-09-18
1934	1934-05-06	1934-10-12
1935	1935-06-30	1935-09-23
1936	1936-05-16	1936-09-22
1937	1937-05-29	1937-09-20
1938	1938-06-18	1938-10-03
1939	1939-05-01	1939-09-22
1940	1940-05-11	1940-09-18
1941	1941-05-25	1941-09-19
1942	1942-07-08	1942-09-11
1943	1943-07-08	1943-09-27
1944	1944-05-29	1944-08-12
1945	1945-06-21	1945-09-06
1946	1946-06-14	1946-09-16
1947	1947-07-03	1947-09-04
1948	1948-05-18	1948-09-18
1949	1949-04-29	1949-09-24
1950	1950-06-05	1950-09-06
1951	1951-05-23	1951-08-24
1952	1952-04-26	1952-09-27
1953	1953-06-11	1953-10-01
1954	1954-05-20	1954-09-01
1955	1955-05-13	1955-10-10
1956	1956-05-21	1956-09-26
1957	1957-07-01	1957-08-21
1958	1958-05-11	1958-09-12
1959	1959-06-03	1959-09-13
1960	1960-05-12	1960-09-20
1961	1961-05-30	1961-08-31
1962	1962-04-24	1962-09-02
1963	1963-07-05	1963-10-04
1964	1964-05-20	1964-09-17
1965	1965-07-21	1965-08-16
1966	1966-05-21	1966-09-20
1967	1967-06-27	1967-09-12
1968	1968-06-02	1968-09-15
1969	1969-05-26	1969-09-13
1970	1970-05-17	1970-09-19
1971	1971-06-16	1971-09-12
1972	1972-05-16	1972-09-19
1973	1973-06-01	1973-09-01
1974	1974-06-19	1974-08-24
1975	1975-06-24	1975-08-28
1976	1976-06-02	1976-09-18
1977	1977-04-09	1977-07-29
1978	1978-05-22	1978-09-10

Every Fixed Threshold

Fixed thresholds at Parshall
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	47	65	1961	35
35 C (95 F): Days	46	26	1936	8
40 C (104 F): Days	8	4	1936	1
90 F (32.2 C): Days	47	48	1936	16
100 F (37.8 C): Days	27	13	1936	5
110 F (43.3 C): Days	1	2	1936	2
0 C (32 F): Ice days (max	47	118	1950	107
0 C (32 F): Frost days (min	47	228	1943	166
-10 C (14 F): Days with min	47	129	1935	113
-20 C (-4 F): Days with min	47	77	1936	67
-30 C (-22 F): Days with min	47	36	1936	11
-40 C (-40 F): Days with min	11	5	1936	1
20 C (68 F): Tropical nights (min	20	5	1936	2
25 C (77 F): Days with min	2	1	1971	1
10 mm (0.39 in): Days with 10 mm or more rain	44	20	1941	12
25 mm (0.98 in): Days with 25 mm or more rain	39	6	1962	2
50 mm (1.97 in): Days with 50 mm or more rain	14	2	1964	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1964	1
10 cm (3.9 in): Days with 10 cm or more snowfall	14	3	1958	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

Data for Parshall 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).

Parshall Threshold Days by Year (USC00326867)

Key Facts for Parshall Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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