Opheim 12 SSE Threshold Days by Year (USC00246238)

17 fixed thresholds counted per year at Opheim 12 SSE (USC00246238): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Opheim 12 SSE Thresholds

Opheim 12 SSE: days with a maximum temperature at or above 30 C (86 F) in 77 years, most in 1961 with 49.
Opheim 12 SSE: days with a maximum temperature at or below 0 C (32 F) in 77 years, most in 2018 with 141.
Opheim 12 SSE: nights with a minimum temperature at or below 0 C (32 F) in 77 years, most in 1950 with 236.
Opheim 12 SSE: nights with a minimum temperature at or below -10 C (14 F) in 77 years, most in 1951 with 144.
17 fixed thresholds have at least one qualifying day at Opheim 12 SSE.

Days at or above 30 C (86 F)

77 years with a qualifying day

Days per year at Opheim 12 SSE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 49 in 1961.

Days at or above 30 C (86 F) per year at Opheim 12 SSE
Year	Days	Decade average
1944	10	19.3
1945	20	19.3
1946	23	19.3
1947	22	19.3
1948	16	19.3
1949	25	19.3
1950	9	18.8
1951	17	18.8
1952	13	18.8
1953	16	18.8
1954	12	18.8
1955	27	18.8
1956	19	18.8
1957	22	18.8
1958	29	18.8
1959	24	18.8
1960	28	25.9
1961	49	25.9
1962	8	25.9
1963	24	25.9
1964	25	25.9
1965	13	25.9
1966	25	25.9
1967	30	25.9
1968	21	25.9
1969	36	25.9
1970	45	25.1
1971	36	25.1
1972	17	25.1
1973	26	25.1
1975	19	25.1
1976	13	25.1
1977	25	25.1
1978	20	25.1
1979	25	25.1
1980	25	29.7
1981	37	29.7
1982	18	29.7
1983	37	29.7
1984	39	29.7
1985	24	29.7
1986	19	29.7
1987	27	29.7
1988	44	29.7
1989	27	29.7
1990	31	24.4
1991	28	24.4
1992	20	24.4
1993	5	24.4
1994	30	24.4
1995	20	24.4
1996	28	24.4
1997	22	24.4
1998	38	24.4
1999	22	24.4
2000	24	24.8
2001	34	24.8
2002	16	24.8
2003	45	24.8
2004	7	24.8
2005	23	24.8
2006	37	24.8
2007	28	24.8
2008	18	24.8
2009	16	24.8
2010	14	11.6
2013	15	11.6
2014	6	11.6
2015	14	11.6
2016	3	11.6
2017	18	11.6
2018	15	11.6
2019	8	11.6
2020	11	16.5
2021	23	16.5
2022	21	16.5
2023	11	16.5

For each year, a bar from the first to the last day at Opheim 12 SSE meeting 30 C (86 F).

First to last qualifying date each year at Opheim 12 SSE
Year	First date	Last date
1944	1944-07-01	1944-09-07
1945	1945-06-21	1945-09-04
1946	1946-06-22	1946-09-15
1947	1947-07-02	1947-09-04
1948	1948-05-18	1948-09-11
1949	1949-05-12	1949-08-22
1950	1950-07-07	1950-09-04
1951	1951-05-23	1951-08-22
1952	1952-04-28	1952-09-26
1953	1953-06-12	1953-08-24
1954	1954-07-05	1954-08-30
1955	1955-06-29	1955-10-10
1956	1956-06-01	1956-08-24
1957	1957-07-01	1957-08-24
1958	1958-05-11	1958-09-12
1959	1959-06-03	1959-09-13
1960	1960-05-12	1960-09-04
1961	1961-05-29	1961-08-31
1962	1962-06-26	1962-08-21
1963	1963-07-06	1963-09-30
1964	1964-05-20	1964-09-17
1965	1965-07-15	1965-08-12
1966	1966-06-28	1966-09-11
1967	1967-06-27	1967-09-29
1968	1968-06-02	1968-09-11
1969	1969-05-26	1969-09-13
1970	1970-06-04	1970-09-04
1971	1971-05-13	1971-09-11
1972	1972-05-17	1972-08-29
1973	1973-06-13	1973-08-30
1975	1975-06-24	1975-08-11
1976	1976-07-17	1976-09-17
1977	1977-05-09	1977-08-24
1978	1978-05-15	1978-09-10
1979	1979-06-11	1979-09-16
1980	1980-04-20	1980-09-07
1981	1981-06-26	1981-09-19
1982	1982-06-22	1982-09-09
1983	1983-06-10	1983-09-01
1984	1984-05-15	1984-09-18
1985	1985-05-23	1985-08-30
1986	1986-05-30	1986-08-29
1987	1987-05-08	1987-09-23
1988	1988-05-24	1988-09-06
1989	1989-06-19	1989-08-23
1990	1990-06-10	1990-09-25
1991	1991-07-14	1991-09-07
1992	1992-05-05	1992-10-01
1993	1993-05-13	1993-08-10
1994	1994-06-23	1994-09-09
1995	1995-05-31	1995-09-03
1996	1996-06-08	1996-08-31
1997	1997-06-26	1997-09-26
1998	1998-07-08	1998-09-17
1999	1999-06-21	1999-08-30
2000	2000-05-02	2000-09-17
2001	2001-04-27	2001-09-04
2002	2002-06-27	2002-09-16
2003	2003-06-19	2003-09-08
2004	2004-07-14	2004-09-01
2005	2005-06-22	2005-09-09
2006	2006-05-18	2006-09-06
2007	2007-06-22	2007-09-04
2008	2008-06-30	2008-08-30
2009	2009-06-25	2009-09-19
2010	2010-06-29	2010-08-26
2013	2013-07-03	2013-09-06
2014	2014-07-30	2014-08-19
2015	2015-06-08	2015-09-02
2016	2016-08-17	2016-09-01
2017	2017-06-01	2017-08-30
2018	2018-07-06	2018-08-17
2019	2019-07-12	2019-08-03
2020	2020-06-24	2020-08-24
2021	2021-06-03	2021-09-18
2022	2022-07-14	2022-09-07
2023	2023-06-30	2023-09-03

Every Fixed Threshold

Fixed thresholds at Opheim 12 SSE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	77	49	1961	11
35 C (95 F): Days	65	15	2003	1
40 C (104 F): Days	2	2	1988	2
90 F (32.2 C): Days	76	31	1988	3
100 F (37.8 C): Days	19	4	1983	1
0 C (32 F): Ice days (max	77	141	2018	95
0 C (32 F): Frost days (min	77	236	1950	202
-10 C (14 F): Days with min	77	144	1951	109
-20 C (-4 F): Days with min	77	81	1951	25
-30 C (-22 F): Days with min	75	31	1951	1
-40 C (-40 F): Days with min	14	9	1950	2
20 C (68 F): Tropical nights (min	13	3	1983	2
10 mm (0.39 in): Days with 10 mm or more rain	76	15	1993	7
25 mm (0.98 in): Days with 25 mm or more rain	60	4	1972	2
50 mm (1.97 in): Days with 50 mm or more rain	13	2	1946	1
10 cm (3.9 in): Days with 10 cm or more snowfall	52	7	1979	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1979	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

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Data for Opheim 12 SSE 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).

Opheim 12 SSE Threshold Days by Year (USC00246238)

Key Facts for Opheim 12 SSE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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