Sioux Rapids Threshold Days by Year (USC00137726)

18 fixed thresholds counted per year at Sioux Rapids (USC00137726): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sioux Rapids Thresholds

Sioux Rapids: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 1951 with 35.
Sioux Rapids: days with a maximum temperature at or above 30 C (86 F) in 79 years, most in 1955 with 77.
Sioux Rapids: days with a maximum temperature at or above 90 F (32.2 C) in 79 years, most in 1955 with 56.
Sioux Rapids: days with a maximum temperature at or below 0 C (32 F) in 79 years, most in 1978 with 94.
18 fixed thresholds have at least one qualifying day at Sioux Rapids.

Days at or above 30 C (86 F)

79 years with a qualifying day

Days per year at Sioux Rapids with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1955.

Days at or above 30 C (86 F) per year at Sioux Rapids
Year	Days	Decade average
1942	44	53.4
1943	54	53.4
1944	48	53.4
1945	43	53.4
1946	41	53.4
1947	64	53.4
1948	69	53.4
1949	64	53.4
1950	26	48
1951	22	48
1952	55	48
1953	48	48
1954	44	48
1955	77	48
1956	68	48
1957	40	48
1958	41	48
1959	59	48
1960	41	43.3
1961	47	43.3
1962	43	43.3
1964	52	43.3
1965	46	43.3
1966	49	43.3
1967	38	43.3
1968	43	43.3
1969	31	43.3
1970	63	43.2
1972	35	43.2
1973	28	43.2
1974	41	43.2
1975	51	43.2
1976	59	43.2
1977	36	43.2
1978	46	43.2
1979	30	43.2
1980	56	38.9
1981	31	38.9
1982	24	38.9
1983	60	38.9
1986	23	38.9
1988	57	38.9
1989	21	38.9
1990	35	29
1991	38	29
1992	13	29
1993	9	29
1994	26	29
1995	37	29
1996	17	29
1997	40	29
1998	37	29
1999	38	29
2000	38	29.8
2001	36	29.8
2002	44	29.8
2003	28	29.8
2004	18	29.8
2005	31	29.8
2006	36	29.8
2007	44	29.8
2008	11	29.8
2009	12	29.8
2010	23	24.1
2011	33	24.1
2013	36	24.1
2014	6	24.1
2015	13	24.1
2016	25	24.1
2017	36	24.1
2018	28	24.1
2019	17	24.1
2020	50	45.6
2021	45	45.6
2022	56	45.6
2023	44	45.6
2024	32	45.6
2025	47	45.6
2026	45	45.6

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

First to last qualifying date each year at Sioux Rapids
Year	First date	Last date
1942	1942-04-29	1942-09-16
1943	1943-05-28	1943-08-31
1944	1944-05-14	1944-09-17
1945	1945-06-22	1945-09-23
1946	1946-06-06	1946-09-05
1947	1947-06-09	1947-10-21
1948	1948-04-18	1948-09-19
1949	1949-04-25	1949-10-08
1950	1950-05-23	1950-10-30
1951	1951-06-25	1951-10-01
1952	1952-04-28	1952-09-30
1953	1953-05-25	1953-10-15
1954	1954-04-14	1954-09-18
1955	1955-05-02	1955-09-18
1956	1956-05-12	1956-10-12
1957	1957-06-03	1957-09-01
1958	1958-05-11	1958-10-15
1959	1959-05-01	1959-09-08
1960	1960-04-22	1960-10-11
1961	1961-05-31	1961-09-10
1962	1962-04-25	1962-09-12
1964	1964-05-16	1964-09-10
1965	1965-04-30	1965-08-25
1966	1966-05-04	1966-10-07
1967	1967-05-18	1967-10-02
1968	1968-04-30	1968-08-23
1969	1969-05-26	1969-08-30
1970	1970-04-27	1970-09-20
1972	1972-05-20	1972-09-19
1973	1973-05-21	1973-08-30
1974	1974-05-28	1974-09-26
1975	1975-05-19	1975-10-14
1976	1976-05-20	1976-10-02
1977	1977-04-10	1977-09-07
1978	1978-05-20	1978-09-12
1979	1979-05-18	1979-09-11
1980	1980-04-21	1980-09-20
1981	1981-04-26	1981-09-30
1982	1982-05-05	1982-09-11
1983	1983-05-28	1983-09-27
1986	1986-06-03	1986-07-30
1988	1988-05-12	1988-09-17
1989	1989-05-29	1989-08-31
1990	1990-04-22	1990-10-05
1991	1991-03-26	1991-09-29
1992	1992-04-30	1992-10-02
1993	1993-06-11	1993-08-26
1994	1994-04-18	1994-09-14
1995	1995-06-14	1995-10-12
1996	1996-05-17	1996-08-06
1997	1997-05-17	1997-10-07
1998	1998-05-14	1998-09-26
1999	1999-05-27	1999-09-25
2000	2000-05-04	2000-09-30
2001	2001-05-01	2001-10-02
2002	2002-04-15	2002-10-01
2003	2003-04-14	2003-10-19
2004	2004-04-16	2004-09-19
2005	2005-06-06	2005-10-04
2006	2006-04-13	2006-10-03
2007	2007-04-29	2007-10-06
2008	2008-06-08	2008-08-03
2009	2009-04-23	2009-08-12
2010	2010-05-22	2010-10-08
2011	2011-05-09	2011-10-04
2013	2013-05-14	2013-09-27
2014	2014-05-07	2014-07-07
2015	2015-05-03	2015-10-11
2016	2016-05-06	2016-09-23
2017	2017-05-08	2017-09-24
2018	2018-05-23	2018-10-03
2019	2019-05-16	2019-09-30
2020	2020-05-01	2020-09-25
2021	2021-05-02	2021-09-29
2022	2022-05-10	2022-09-21
2023	2023-04-13	2023-10-03
2024	2024-06-12	2024-10-01
2025	2025-05-10	2025-10-05
2026	2026-03-22	2026-10-12

Every Fixed Threshold

Fixed thresholds at Sioux Rapids
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	79	77	1955	45
35 C (95 F): Days	56	32	1955	3
40 C (104 F): Days	3	7	1955	7
90 F (32.2 C): Days	79	56	1955	18
100 F (37.8 C): Days	19	16	1955	1
0 C (32 F): Ice days (max	79	94	1978	32
0 C (32 F): Frost days (min	78	188	2022	101
-10 C (14 F): Days with min	78	101	1950	30
-20 C (-4 F): Days with min	78	46	1978	10
-30 C (-22 F): Days with min	36	5	1979	3
20 C (68 F): Tropical nights (min	78	28	1955	15
25 C (77 F): Days with min	11	2	1954	1
10 mm (0.39 in): Days with 10 mm or more rain	80	35	1951	20
25 mm (0.98 in): Days with 25 mm or more rain	79	14	1977	6
50 mm (1.97 in): Days with 50 mm or more rain	61	5	1993	1
100 mm (3.94 in): Days with 100 mm or more rain	6	2	2018	2
10 cm (3.9 in): Days with 10 cm or more snowfall	64	7	1951	2
25 cm (9.8 in): Days with 25 cm or more snowfall	11	2	1952	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

Data for Sioux Rapids 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).

Sioux Rapids Threshold Days by Year (USC00137726)

Key Facts for Sioux Rapids Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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