Suntar Threshold Days by Year (RSM00024738)

14 fixed thresholds counted per year at Suntar (RSM00024738): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Suntar Thresholds

Suntar: days with 10 mm (0.39 in) or more of precipitation in 87 years, most in 1997 with 12.
Suntar: days with a maximum temperature at or below 0 C (32 F) in 84 years, most in 1969 with 194.
Suntar: nights with a minimum temperature at or below 0 C (32 F) in 84 years, most in 1946 with 268.
Suntar: nights with a minimum temperature at or below -10 C (14 F) in 84 years, most in 1942 with 200.
14 fixed thresholds have at least one qualifying day at Suntar.

Days at or above 30 C (86 F)

82 years with a qualifying day

Days per year at Suntar with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 1986.

Days at or above 30 C (86 F) per year at Suntar
Year	Days	Decade average
1937	10	4.7
1938	3	4.7
1939	1	4.7
1940	7	7.6
1941	17	7.6
1942	8	7.6
1943	1	7.6
1944	5	7.6
1945	6	7.6
1946	3	7.6
1947	13	7.6
1948	9	7.6
1949	7	7.6
1950	4	5.8
1951	1	5.8
1952	5	5.8
1953	3	5.8
1954	14	5.8
1955	7	5.8
1956	10	5.8
1957	4	5.8
1958	3	5.8
1959	7	5.8
1960	3	6.9
1961	2	6.9
1962	8	6.9
1963	13	6.9
1964	6	6.9
1965	3	6.9
1966	2	6.9
1967	10	6.9
1968	9	6.9
1969	13	6.9
1970	18	7.1
1971	6	7.1
1973	11	7.1
1974	3	7.1
1975	7	7.1
1976	6	7.1
1977	1	7.1
1978	5	7.1
1979	7	7.1
1980	10	7.3
1981	3	7.3
1982	4	7.3
1983	2	7.3
1984	13	7.3
1985	3	7.3
1986	22	7.3
1988	7	7.3
1989	2	7.3
1990	13	10.6
1991	8	10.6
1992	7	10.6
1993	12	10.6
1994	5	10.6
1995	12	10.6
1996	15	10.6
1997	6	10.6
1998	15	10.6
1999	13	10.6
2000	4	8.7
2001	19	8.7
2002	11	8.7
2003	15	8.7
2004	2	8.7
2005	2	8.7
2006	10	8.7
2007	4	8.7
2008	8	8.7
2009	12	8.7
2010	10	11.1
2011	8	11.1
2012	8	11.1
2013	9	11.1
2014	13	11.1
2015	15	11.1
2016	5	11.1
2017	19	11.1
2018	13	11.1
2025	5	6
2026	7	6

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

First to last qualifying date each year at Suntar
Year	First date	Last date
1937	1937-07-02	1937-08-08
1938	1938-07-11	1938-08-14
1939	1939-08-13	1939-08-13
1940	1940-06-29	1940-08-08
1941	1941-06-07	1941-07-31
1942	1942-06-30	1942-07-27
1943	1943-07-08	1943-07-08
1944	1944-07-19	1944-08-03
1945	1945-07-03	1945-07-20
1946	1946-07-23	1946-07-26
1947	1947-06-14	1947-07-24
1948	1948-07-04	1948-08-05
1949	1949-06-05	1949-08-11
1950	1950-06-21	1950-07-07
1951	1951-07-21	1951-07-21
1952	1952-06-27	1952-08-03
1953	1953-06-26	1953-08-02
1954	1954-06-25	1954-08-07
1955	1955-06-14	1955-08-14
1956	1956-06-16	1956-08-01
1957	1957-07-04	1957-08-04
1958	1958-07-23	1958-07-25
1959	1959-06-06	1959-08-14
1960	1960-07-07	1960-07-12
1961	1961-07-29	1961-07-31
1962	1962-06-20	1962-08-04
1963	1963-07-06	1963-08-10
1964	1964-07-01	1964-07-15
1965	1965-07-07	1965-08-07
1966	1966-06-21	1966-06-27
1967	1967-06-13	1967-07-18
1968	1968-07-06	1968-07-30
1969	1969-06-17	1969-08-12
1970	1970-06-22	1970-07-23
1971	1971-06-04	1971-07-21
1973	1973-06-03	1973-08-05
1974	1974-07-14	1974-07-16
1975	1975-06-05	1975-08-06
1976	1976-06-23	1976-07-28
1977	1977-07-12	1977-07-12
1978	1978-07-16	1978-07-27
1979	1979-06-16	1979-08-05
1980	1980-07-09	1980-08-14
1981	1981-05-19	1981-07-17
1982	1982-06-26	1982-07-28
1983	1983-07-31	1983-08-01
1984	1984-06-14	1984-07-23
1985	1985-06-30	1985-07-02
1986	1986-06-01	1986-08-07
1988	1988-06-01	1988-07-27
1989	1989-07-12	1989-07-18
1990	1990-05-23	1990-08-22
1991	1991-07-04	1991-07-17
1992	1992-06-07	1992-08-14
1993	1993-06-27	1993-08-08
1994	1994-06-22	1994-08-24
1995	1995-06-25	1995-08-05
1996	1996-06-14	1996-07-20
1997	1997-05-22	1997-08-13
1998	1998-06-12	1998-08-19
1999	1999-06-16	1999-07-21
2000	2000-06-17	2000-07-15
2001	2001-06-11	2001-07-31
2002	2002-06-15	2002-08-14
2003	2003-06-09	2003-07-27
2004	2004-07-06	2004-07-07
2005	2005-07-01	2005-07-27
2006	2006-06-17	2006-07-30
2007	2007-06-29	2007-08-01
2008	2008-06-20	2008-07-16
2009	2009-06-04	2009-07-21
2010	2010-07-13	2010-08-24
2011	2011-06-23	2011-08-07
2012	2012-06-17	2012-08-01
2013	2013-06-12	2013-06-23
2014	2014-06-19	2014-07-19
2015	2015-06-08	2015-08-25
2016	2016-06-29	2016-08-30
2017	2017-06-12	2017-08-14
2018	2018-06-05	2018-08-15
2025	2025-07-12	2025-07-21
2026	2026-06-30	2026-08-01

Every Fixed Threshold

Fixed thresholds at Suntar
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	82	22	1986	7
35 C (95 F): Days	16	4	2003	2
90 F (32.2 C): Days	59	11	1970	3
100 F (37.8 C): Days	1	1	2008	1
0 C (32 F): Ice days (max	84	194	1969	84
0 C (32 F): Frost days (min	84	268	1946	127
-10 C (14 F): Days with min	84	200	1942	86
-20 C (-4 F): Days with min	84	166	1952	66
-30 C (-22 F): Days with min	84	133	1966	48
-40 C (-40 F): Days with min	84	90	1941	18
20 C (68 F): Tropical nights (min	13	2	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	87	12	1997	1
25 mm (0.98 in): Days with 25 mm or more rain	37	4	1974	1
50 mm (1.97 in): Days with 50 mm or more rain	4	1	1945	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

Data for Suntar 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).

Suntar Threshold Days by Year (RSM00024738)

Key Facts for Suntar Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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