Simpson 6 N - Wildhorse Threshold Days by Year (USC00247620)

18 fixed thresholds counted per year at Simpson 6 N - Wildhorse (USC00247620): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Simpson 6 N - Wildhorse Thresholds

Simpson 6 N - Wildhorse: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 2025 with 18.
Simpson 6 N - Wildhorse: nights with a minimum temperature at or below 0 C (32 F) in 81 years, most in 2009 with 220.
Simpson 6 N - Wildhorse: nights with a minimum temperature at or below -10 C (14 F) in 81 years, most in 1955 with 125.
Simpson 6 N - Wildhorse: nights with a minimum temperature at or below -20 C (-4 F) in 81 years, most in 1955 with 71.
18 fixed thresholds have at least one qualifying day at Simpson 6 N - Wildhorse.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Simpson 6 N - Wildhorse with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 61 in 1961.

Days at or above 30 C (86 F) per year at Simpson 6 N - Wildhorse
Year	Days	Decade average
1932	20	36.7
1935	31	36.7
1936	58	36.7
1937	33	36.7
1938	38	36.7
1939	40	36.7
1940	37	33.2
1941	31	33.2
1942	28	33.2
1943	37	33.2
1944	29	33.2
1945	36	33.2
1946	33	33.2
1947	35	33.2
1948	32	33.2
1949	34	33.2
1950	21	27.3
1951	22	27.3
1952	20	27.3
1953	29	27.3
1954	26	27.3
1955	21	27.3
1956	36	27.3
1957	29	27.3
1958	39	27.3
1959	30	27.3
1960	40	38
1961	61	38
1962	26	38
1963	52	38
1964	36	38
1965	18	38
1966	29	38
1967	48	38
1968	21	38
1969	49	38
1970	50	40.4
1971	49	40.4
1972	47	40.4
1973	45	40.4
1974	42	40.4
1975	20	40.4
1977	31	40.4
1978	31	40.4
1979	49	40.4
1980	40	46.2
1981	51	46.2
1982	32	46.2
1983	51	46.2
1984	58	46.2
1985	45	46.2
1992	34	40.5
1993	15	40.5
1994	52	40.5
1995	25	40.5
1996	47	40.5
1997	52	40.5
1998	59	40.5
1999	40	40.5
2000	55	49.3
2001	57	49.3
2008	41	49.3
2009	44	49.3
2010	34	41.1
2011	55	41.1
2012	51	41.1
2013	42	41.1
2014	37	41.1
2015	48	41.1
2016	33	41.1
2019	29	41.1
2020	35	39.9
2021	55	39.9
2022	50	39.9
2023	33	39.9
2024	41	39.9
2025	29	39.9
2026	36	39.9

For each year, a bar from the first to the last day at Simpson 6 N - Wildhorse meeting 30 C (86 F).

First to last qualifying date each year at Simpson 6 N - Wildhorse
Year	First date	Last date
1932	1932-06-22	1932-09-07
1935	1935-06-22	1935-09-15
1936	1936-05-15	1936-10-07
1937	1937-06-02	1937-09-18
1938	1938-05-28	1938-09-26
1939	1939-04-28	1939-09-10
1940	1940-06-01	1940-09-19
1941	1941-05-26	1941-08-23
1942	1942-07-02	1942-09-09
1943	1943-07-03	1943-10-04
1944	1944-05-15	1944-09-13
1945	1945-06-21	1945-09-03
1946	1946-06-14	1946-09-14
1947	1947-07-01	1947-09-04
1948	1948-06-01	1948-09-14
1949	1949-05-10	1949-09-09
1950	1950-05-27	1950-09-04
1951	1951-05-22	1951-08-22
1952	1952-06-05	1952-09-26
1953	1953-05-06	1953-08-30
1954	1954-06-22	1954-09-12
1955	1955-07-14	1955-09-02
1956	1956-05-20	1956-09-26
1957	1957-06-04	1957-09-08
1958	1958-05-11	1958-09-10
1959	1959-06-02	1959-09-13
1960	1960-06-24	1960-09-04
1961	1961-05-29	1961-09-16
1962	1962-06-24	1962-08-26
1963	1963-05-30	1963-09-30
1964	1964-05-19	1964-08-19
1965	1965-06-10	1965-08-12
1966	1966-05-26	1966-09-18
1967	1967-07-03	1967-09-29
1968	1968-04-30	1968-09-11
1969	1969-05-24	1969-09-18
1970	1970-05-16	1970-09-29
1971	1971-05-26	1971-09-10
1972	1972-05-17	1972-08-30
1973	1973-05-16	1973-09-29
1974	1974-06-16	1974-09-26
1975	1975-07-04	1975-09-15
1977	1977-04-25	1977-08-19
1978	1978-06-05	1978-09-05
1979	1979-05-26	1979-09-21
1980	1980-04-20	1980-10-08
1981	1981-06-25	1981-09-19
1982	1982-06-20	1982-09-10
1983	1983-05-25	1983-09-26
1984	1984-05-14	1984-09-19
1985	1985-05-02	1985-08-26
1992	1992-05-05	1992-10-01
1993	1993-05-11	1993-08-20
1994	1994-05-09	1994-09-25
1995	1995-05-30	1995-09-04
1996	1996-06-07	1996-08-31
1997	1997-05-12	1997-09-30
1998	1998-05-03	1998-09-17
1999	1999-05-25	1999-09-21
2000	2000-05-01	2000-09-17
2001	2001-04-28	2001-09-25
2008	2008-05-18	2008-09-18
2009	2009-05-30	2009-09-25
2010	2010-05-18	2010-09-28
2011	2011-06-28	2011-09-30
2012	2012-04-23	2012-09-18
2013	2013-05-11	2013-09-07
2014	2014-05-24	2014-09-26
2015	2015-06-08	2015-09-25
2016	2016-06-07	2016-09-28
2019	2019-06-02	2019-09-16
2020	2020-06-12	2020-09-06
2021	2021-05-17	2021-09-26
2022	2022-06-17	2022-09-29
2023	2023-06-30	2023-09-17
2024	2024-06-23	2024-09-25
2025	2025-05-31	2025-09-24
2026	2026-05-14	2026-08-29

Every Fixed Threshold

Fixed thresholds at Simpson 6 N - Wildhorse
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	61	1961	36
35 C (95 F): Days	75	27	1936	9
40 C (104 F): Days	15	4	1936	1
90 F (32.2 C): Days	78	45	1998	22
100 F (37.8 C): Days	46	12	1936	3
0 C (32 F): Ice days (max	78	108	1951	23
0 C (32 F): Frost days (min	81	220	2009	84
-10 C (14 F): Days with min	81	125	1955	21
-20 C (-4 F): Days with min	81	71	1955	5
-30 C (-22 F): Days with min	76	24	1936	11
-40 C (-40 F): Days with min	20	8	1950	2
20 C (68 F): Tropical nights (min	15	2	1936	1
25 C (77 F): Days with min	1	1	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	88	18	2025	8
25 mm (0.98 in): Days with 25 mm or more rain	57	3	1941	2
50 mm (1.97 in): Days with 50 mm or more rain	7	1	1937	1
10 cm (3.9 in): Days with 10 cm or more snowfall	69	6	1960	3
25 cm (9.8 in): Days with 25 cm or more snowfall	4	2	2010	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.

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Data for Simpson 6 N - Wildhorse 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).

Simpson 6 N - Wildhorse Threshold Days by Year (USC00247620)

Key Facts for Simpson 6 N - Wildhorse Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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