Sutur Threshold Days by Year (RSM00031538)

13 fixed thresholds counted per year at Sutur (RSM00031538): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sutur Thresholds

Sutur: nights with a minimum temperature at or below 0 C (32 F) in 83 years, most in 1958 with 232.
Sutur: nights with a minimum temperature at or below -10 C (14 F) in 83 years, most in 1950 with 167.
Sutur: nights with a minimum temperature at or below -20 C (-4 F) in 83 years, most in 1952 with 133.
Sutur: nights with a minimum temperature at or below -30 C (-22 F) in 83 years, most in 1952 with 92.
13 fixed thresholds have at least one qualifying day at Sutur.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Sutur with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1980.

Days at or above 30 C (86 F) per year at Sutur
Year	Days	Decade average
1940	3	8.4
1941	5	8.4
1942	2	8.4
1943	2	8.4
1944	19	8.4
1947	11	8.4
1948	17	8.4
1950	12	6.9
1951	8	6.9
1952	7	6.9
1953	3	6.9
1954	18	6.9
1955	3	6.9
1958	2	6.9
1959	2	6.9
1960	5	5.3
1961	3	5.3
1962	2	5.3
1963	5	5.3
1964	6	5.3
1965	4	5.3
1966	5	5.3
1967	2	5.3
1968	13	5.3
1969	8	5.3
1970	9	6.6
1971	6	6.6
1972	1	6.6
1973	9	6.6
1974	12	6.6
1975	7	6.6
1976	6	6.6
1977	9	6.6
1978	1	6.6
1979	6	6.6
1980	29	12.4
1981	6	12.4
1982	19	12.4
1983	3	12.4
1985	5	12.4
1986	13	12.4
1987	6	12.4
1988	24	12.4
1989	7	12.4
1990	12	11.7
1991	3	11.7
1992	9	11.7
1993	12	11.7
1994	12	11.7
1995	15	11.7
1997	6	11.7
1998	17	11.7
1999	19	11.7
2000	19	11.5
2001	7	11.5
2002	6	11.5
2003	7	11.5
2004	9	11.5
2005	11	11.5
2006	12	11.5
2007	16	11.5
2008	21	11.5
2009	7	11.5
2010	12	10.5
2011	17	10.5
2012	21	10.5
2013	6	10.5
2014	10	10.5
2015	11	10.5
2016	8	10.5
2017	12	10.5
2018	4	10.5
2019	4	10.5
2020	11	13.2
2022	13	13.2
2023	12	13.2
2024	14	13.2
2025	16	13.2

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

First to last qualifying date each year at Sutur
Year	First date	Last date
1940	1940-06-26	1940-07-11
1941	1941-06-11	1941-08-10
1942	1942-06-21	1942-07-16
1943	1943-06-07	1943-06-08
1944	1944-06-05	1944-08-14
1947	1947-06-21	1947-07-12
1948	1948-05-15	1948-08-09
1950	1950-06-28	1950-08-14
1951	1951-05-29	1951-07-21
1952	1952-06-24	1952-08-23
1953	1953-06-21	1953-07-24
1954	1954-06-26	1954-08-09
1955	1955-08-15	1955-08-24
1958	1958-06-06	1958-07-14
1959	1959-07-16	1959-08-13
1960	1960-07-11	1960-07-29
1961	1961-07-09	1961-07-12
1962	1962-06-22	1962-07-14
1963	1963-06-18	1963-07-26
1964	1964-07-03	1964-08-04
1965	1965-06-11	1965-06-14
1966	1966-05-18	1966-07-06
1967	1967-07-10	1967-07-13
1968	1968-06-23	1968-08-16
1969	1969-06-20	1969-07-12
1970	1970-06-29	1970-08-17
1971	1971-06-08	1971-07-26
1972	1972-05-23	1972-05-23
1973	1973-06-08	1973-07-03
1974	1974-07-05	1974-07-25
1975	1975-05-27	1975-08-21
1976	1976-07-06	1976-07-19
1977	1977-05-11	1977-07-20
1978	1978-05-20	1978-05-20
1979	1979-05-24	1979-08-10
1980	1980-06-27	1980-08-09
1981	1981-05-20	1981-07-25
1982	1982-05-31	1982-08-15
1983	1983-07-05	1983-07-25
1985	1985-06-05	1985-07-09
1986	1986-06-04	1986-07-27
1987	1987-06-14	1987-06-22
1988	1988-06-08	1988-08-07
1989	1989-07-05	1989-08-07
1990	1990-06-29	1990-07-21
1991	1991-07-02	1991-07-04
1992	1992-05-29	1992-07-16
1993	1993-07-03	1993-08-06
1994	1994-05-24	1994-08-30
1995	1995-05-17	1995-08-08
1997	1997-05-27	1997-07-23
1998	1998-05-15	1998-08-22
1999	1999-06-21	1999-08-09
2000	2000-06-11	2000-09-03
2001	2001-05-13	2001-08-13
2002	2002-05-20	2002-07-10
2003	2003-06-11	2003-07-27
2004	2004-06-17	2004-08-22
2005	2005-06-29	2005-08-11
2006	2006-07-01	2006-08-10
2007	2007-06-11	2007-08-08
2008	2008-06-15	2008-07-27
2009	2009-05-24	2009-08-11
2010	2010-05-23	2010-09-15
2011	2011-06-30	2011-08-09
2012	2012-05-22	2012-08-25
2013	2013-06-24	2013-08-03
2014	2014-06-01	2014-08-23
2015	2015-06-15	2015-08-26
2016	2016-05-19	2016-08-13
2017	2017-06-22	2017-08-14
2018	2018-06-03	2018-07-28
2019	2019-07-07	2019-07-10
2020	2020-05-30	2020-07-30
2022	2022-06-28	2022-08-04
2023	2023-06-27	2023-08-17
2024	2024-06-27	2024-08-15
2025	2025-05-28	2025-07-27

Every Fixed Threshold

Fixed thresholds at Sutur
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	29	1980	16
35 C (95 F): Days	5	5	2017	1
90 F (32.2 C): Days	50	12	1980	4
0 C (32 F): Ice days (max	81	158	1987	75
0 C (32 F): Frost days (min	83	232	1958	104
-10 C (14 F): Days with min	83	167	1950	73
-20 C (-4 F): Days with min	83	133	1952	60
-30 C (-22 F): Days with min	83	92	1952	14
-40 C (-40 F): Days with min	59	25	1952	7
20 C (68 F): Tropical nights (min	16	3	2022	1
10 mm (0.39 in): Days with 10 mm or more rain	83	32	1970	13
25 mm (0.98 in): Days with 25 mm or more rain	83	9	1943	4
50 mm (1.97 in): Days with 50 mm or more rain	37	2	1941	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

Data for Sutur 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).

Sutur Threshold Days by Year (RSM00031538)

Key Facts for Sutur Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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