Mobridge 2NNW Threshold Days by Year (USC00395691)

21 fixed thresholds counted per year at Mobridge 2NNW (USC00395691): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mobridge 2NNW Thresholds

Mobridge 2NNW: days with 10 mm (0.39 in) or more of precipitation in 102 years, most in 1915 with 23.
Mobridge 2NNW: days with 25 mm (0.98 in) or more of precipitation in 96 years, most in 2013 with 9.
Mobridge 2NNW: days with a maximum temperature at or above 30 C (86 F) in 95 years, most in 1936 with 98.
Mobridge 2NNW: days with a maximum temperature at or above 90 F (32.2 C) in 95 years, most in 1936 with 75.
21 fixed thresholds have at least one qualifying day at Mobridge 2NNW.

Days at or above 30 C (86 F)

95 years with a qualifying day

Days per year at Mobridge 2NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1936.

Days at or above 30 C (86 F) per year at Mobridge 2NNW
Year	Days	Decade average
1911	68	57.8
1912	64	57.8
1913	71	57.8
1914	65	57.8
1915	28	57.8
1918	51	57.8
1927	39	46.3
1928	36	46.3
1929	64	46.3
1930	61	73.8
1931	72	73.8
1932	52	73.8
1933	79	73.8
1934	89	73.8
1935	60	73.8
1936	98	73.8
1937	72	73.8
1938	73	73.8
1939	82	73.8
1940	69	49.7
1941	68	49.7
1942	31	49.7
1943	48	49.7
1944	38	49.7
1945	41	49.7
1946	39	49.7
1947	55	49.7
1948	48	49.7
1949	60	49.7
1950	39	51
1951	26	51
1952	63	51
1953	44	51
1954	45	51
1955	67	51
1956	53	51
1957	47	51
1958	56	51
1959	70	51
1960	58	43.6
1961	75	43.6
1962	31	43.6
1963	53	43.6
1964	44	43.6
1965	29	43.6
1966	49	43.6
1967	38	43.6
1968	23	43.6
1969	36	43.6
1970	48	33.8
1971	30	33.8
1972	32	33.8
1973	38	33.8
1974	40	33.8
1975	30	33.8
1976	54	33.8
1977	27	33.8
1978	17	33.8
1979	22	33.8
1980	61	45.8
1981	26	45.8
1982	39	45.8
1983	50	45.8
1984	47	45.8
1985	32	45.8
1986	28	45.8
1987	47	45.8
1988	71	45.8
1989	57	45.8
1990	54	35.6
1991	45	35.6
1992	24	35.6
1993	12	35.6
1994	33	35.6
1995	41	35.6
1996	40	35.6
2005	52	47
2006	70	47
2007	57	47
2008	36	47
2009	20	47
2010	38	36.9
2011	37	36.9
2012	57	36.9
2013	39	36.9
2014	15	36.9
2015	43	36.9
2017	38	36.9
2018	47	36.9
2019	18	36.9
2020	42	44.6
2021	56	44.6
2022	39	44.6
2023	41	44.6
2024	45	44.6

For each year, a bar from the first to the last day at Mobridge 2NNW meeting 30 C (86 F).

First to last qualifying date each year at Mobridge 2NNW
Year	First date	Last date
1911	1911-04-11	1911-09-23
1912	1912-04-04	1912-10-04
1913	1913-04-15	1913-09-17
1914	1914-05-30	1914-10-20
1915	1915-04-14	1915-09-04
1918	1918-05-03	1918-09-13
1927	1927-06-18	1927-10-21
1928	1928-05-06	1928-09-29
1929	1929-05-22	1929-09-22
1930	1930-05-03	1930-09-23
1931	1931-05-15	1931-09-29
1932	1932-05-13	1932-09-30
1933	1933-05-31	1933-10-14
1934	1934-04-28	1934-10-11
1935	1935-07-01	1935-09-23
1936	1936-04-19	1936-10-08
1937	1937-05-17	1937-10-03
1938	1938-04-30	1938-10-03
1939	1939-04-30	1939-09-22
1940	1940-05-11	1940-09-22
1941	1941-05-13	1941-09-19
1942	1942-04-14	1942-10-11
1943	1943-05-28	1943-10-11
1944	1944-05-13	1944-09-08
1945	1945-06-21	1945-10-16
1946	1946-06-06	1946-09-16
1947	1947-06-26	1947-10-21
1948	1948-05-18	1948-09-18
1949	1949-05-12	1949-10-05
1950	1950-05-22	1950-10-30
1951	1951-07-07	1951-10-01
1952	1952-04-26	1952-09-29
1953	1953-05-29	1953-10-01
1954	1954-05-20	1954-09-26
1955	1955-05-02	1955-10-10
1956	1956-05-24	1956-10-12
1957	1957-05-07	1957-08-31
1958	1958-04-16	1958-10-19
1959	1959-04-30	1959-09-14
1960	1960-05-13	1960-10-08
1961	1961-04-19	1961-10-16
1962	1962-04-24	1962-09-07
1963	1963-05-07	1963-10-05
1964	1964-05-20	1964-09-02
1965	1965-07-03	1965-08-24
1966	1966-05-04	1966-09-12
1967	1967-05-22	1967-09-07
1968	1968-04-30	1968-09-14
1969	1969-05-14	1969-09-14
1970	1970-05-07	1970-09-19
1971	1971-06-23	1971-09-13
1972	1972-05-16	1972-09-19
1973	1973-06-09	1973-09-01
1974	1974-06-03	1974-09-26
1975	1975-05-16	1975-10-07
1976	1976-06-02	1976-09-30
1977	1977-04-09	1977-09-05
1978	1978-06-29	1978-09-10
1979	1979-05-28	1979-09-26
1980	1980-04-20	1980-10-08
1981	1981-04-16	1981-09-12
1982	1982-05-03	1982-09-10
1983	1983-06-10	1983-09-27
1984	1984-05-16	1984-09-21
1985	1985-04-19	1985-09-05
1986	1986-05-04	1986-08-24
1987	1987-04-18	1987-09-23
1988	1988-04-07	1988-09-10
1989	1989-04-22	1989-09-30
1990	1990-04-22	1990-10-05
1991	1991-05-14	1991-10-16
1992	1992-04-30	1992-10-01
1993	1993-06-12	1993-10-06
1994	1994-05-16	1994-09-19
1995	1995-06-14	1995-09-28
1996	1996-04-10	1996-09-09
2005	2005-06-18	2005-10-01
2006	2006-05-18	2006-10-07
2007	2007-05-19	2007-09-29
2008	2008-04-15	2008-09-19
2009	2009-04-23	2009-09-18
2010	2010-05-28	2010-10-08
2011	2011-06-06	2011-10-05
2012	2012-04-01	2012-09-15
2013	2013-05-13	2013-09-22
2014	2014-05-28	2014-09-27
2015	2015-05-02	2015-10-11
2017	2017-05-07	2017-09-21
2018	2018-05-07	2018-09-12
2019	2019-06-04	2019-09-16
2020	2020-06-07	2020-09-22
2021	2021-06-03	2021-09-27
2022	2022-06-14	2022-09-20
2023	2023-04-12	2023-10-02
2024	2024-05-18	2024-10-11

Every Fixed Threshold

Fixed thresholds at Mobridge 2NNW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	95	98	1936	45
35 C (95 F): Days	92	52	1936	6
40 C (104 F): Days	42	24	1936	1
45 C (113 F): Days	3	2	1936	2
90 F (32.2 C): Days	95	75	1936	18
100 F (37.8 C): Days	71	38	1936	1
110 F (43.3 C): Days	7	6	1936	4
0 C (32 F): Ice days (max	95	108	2019	62
0 C (32 F): Frost days (min	93	195	2013	141
-10 C (14 F): Days with min	93	115	1950	47
-20 C (-4 F): Days with min	93	52	1950	11
-30 C (-22 F): Days with min	67	19	1936	1
-40 C (-40 F): Days with min	2	1	1912	1
20 C (68 F): Tropical nights (min	90	36	1911	12
25 C (77 F): Days with min	14	17	1911	4
10 mm (0.39 in): Days with 10 mm or more rain	102	23	1915	10
25 mm (0.98 in): Days with 25 mm or more rain	96	9	2013	3
50 mm (1.97 in): Days with 50 mm or more rain	44	2	1941	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2015	1
10 cm (3.9 in): Days with 10 cm or more snowfall	58	6	2019	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	2	1975	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

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Data for Mobridge 2NNW 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).

Mobridge 2NNW Threshold Days by Year (USC00395691)

Key Facts for Mobridge 2NNW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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