Tomsk Threshold Days by Year (RSM00029430)

13 fixed thresholds counted per year at Tomsk (RSM00029430): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tomsk Thresholds

Tomsk: days with 10 mm (0.39 in) or more of precipitation in 138 years, most in 1941 with 19.
Tomsk: nights with a minimum temperature at or below 0 C (32 F) in 126 years, most in 1903 with 225.
Tomsk: nights with a minimum temperature at or below -10 C (14 F) in 126 years, most in 1891 with 162.
Tomsk: nights with a minimum temperature at or below -20 C (-4 F) in 126 years, most in 1892 with 105.
13 fixed thresholds have at least one qualifying day at Tomsk.

Days at or above 30 C (86 F)

81 years with a qualifying day

Days per year at Tomsk with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1969.

Days at or above 30 C (86 F) per year at Tomsk
Year	Days	Decade average
1926	8	4.3
1927	4	4.3
1928	2	4.3
1929	3	4.3
1931	10	4.9
1932	6	4.9
1933	3	4.9
1934	6	4.9
1935	4	4.9
1936	3	4.9
1939	2	4.9
1940	5	3.2
1942	4	3.2
1943	2	3.2
1944	4	3.2
1946	1	3.2
1951	8	6.8
1952	8	6.8
1953	13	6.8
1955	11	6.8
1956	4	6.8
1957	4	6.8
1958	4	6.8
1959	2	6.8
1960	1	5.9
1961	4	5.9
1962	6	5.9
1963	3	5.9
1964	2	5.9
1965	10	5.9
1966	1	5.9
1967	6	5.9
1968	7	5.9
1969	19	5.9
1970	3	5.1
1971	3	5.1
1972	1	5.1
1973	4	5.1
1974	3	5.1
1975	12	5.1
1976	6	5.1
1977	7	5.1
1978	5	5.1
1979	7	5.1
1980	8	5.1
1981	4	5.1
1982	9	5.1
1983	9	5.1
1984	2	5.1
1986	3	5.1
1987	3	5.1
1988	1	5.1
1989	7	5.1
1990	5	6.2
1991	7	6.2
1992	3	6.2
1993	2	6.2
1994	9	6.2
1995	3	6.2
1996	5	6.2
1997	3	6.2
1998	12	6.2
1999	13	6.2
2000	4	4.7
2001	4	4.7
2002	4	4.7
2003	5	4.7
2004	7	4.7
2005	5	4.7
2006	7	4.7
2007	3	4.7
2008	6	4.7
2009	2	4.7
2010	6	8.3
2011	3	8.3
2012	15	8.3
2014	13	8.3
2015	8	8.3
2016	4	8.3
2017	9	8.3
2018	8	8.3

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

First to last qualifying date each year at Tomsk
Year	First date	Last date
1926	1926-06-13	1926-07-28
1927	1927-06-05	1927-07-27
1928	1928-06-28	1928-07-17
1929	1929-06-25	1929-08-02
1931	1931-06-19	1931-08-07
1932	1932-07-02	1932-07-25
1933	1933-07-23	1933-08-08
1934	1934-05-31	1934-07-01
1935	1935-07-03	1935-07-12
1936	1936-06-30	1936-07-02
1939	1939-06-06	1939-06-07
1940	1940-06-14	1940-08-02
1942	1942-06-08	1942-07-30
1943	1943-06-28	1943-07-06
1944	1944-06-26	1944-06-29
1946	1946-07-10	1946-07-10
1951	1951-06-02	1951-07-28
1952	1952-05-30	1952-08-01
1953	1953-05-31	1953-09-04
1955	1955-05-29	1955-08-08
1956	1956-07-04	1956-08-13
1957	1957-06-21	1957-07-06
1958	1958-06-23	1958-07-13
1959	1959-05-24	1959-07-01
1960	1960-06-25	1960-06-25
1961	1961-06-26	1961-06-29
1962	1962-06-23	1962-08-02
1963	1963-06-23	1963-07-09
1964	1964-07-02	1964-07-13
1965	1965-06-02	1965-08-02
1966	1966-06-04	1966-06-04
1967	1967-06-06	1967-07-22
1968	1968-05-24	1968-07-16
1969	1969-06-15	1969-07-31
1970	1970-06-19	1970-06-24
1971	1971-06-19	1971-06-21
1972	1972-08-02	1972-08-02
1973	1973-06-16	1973-07-12
1974	1974-07-10	1974-07-12
1975	1975-05-29	1975-07-24
1976	1976-06-06	1976-07-05
1977	1977-06-03	1977-07-20
1978	1978-06-18	1978-08-14
1979	1979-06-21	1979-07-21
1980	1980-05-25	1980-07-07
1981	1981-06-19	1981-06-22
1982	1982-06-04	1982-07-28
1983	1983-06-08	1983-06-30
1984	1984-06-24	1984-06-25
1986	1986-07-02	1986-07-30
1987	1987-07-11	1987-08-07
1988	1988-07-11	1988-07-11
1989	1989-07-10	1989-07-27
1990	1990-05-22	1990-07-13
1991	1991-05-13	1991-07-30
1992	1992-05-19	1992-07-14
1993	1993-07-11	1993-07-12
1994	1994-06-06	1994-07-05
1995	1995-07-03	1995-08-17
1996	1996-05-20	1996-07-24
1997	1997-07-05	1997-08-08
1998	1998-06-02	1998-08-16
1999	1999-05-22	1999-07-17
2000	2000-07-05	2000-07-08
2001	2001-05-25	2001-05-28
2002	2002-05-22	2002-08-11
2003	2003-06-07	2003-07-09
2004	2004-05-15	2004-06-04
2005	2005-06-13	2005-08-22
2006	2006-06-08	2006-07-04
2007	2007-07-07	2007-07-19
2008	2008-05-31	2008-08-09
2009	2009-06-09	2009-07-17
2010	2010-06-19	2010-09-01
2011	2011-05-31	2011-06-30
2012	2012-06-06	2012-07-31
2014	2014-06-16	2014-08-19
2015	2015-06-20	2015-07-19
2016	2016-06-11	2016-06-27
2017	2017-05-23	2017-08-05
2018	2018-06-07	2018-07-13

Every Fixed Threshold

Fixed thresholds at Tomsk
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	81	19	1969	8
35 C (95 F): Days	3	2	1975	1
90 F (32.2 C): Days	38	6	2014	1
0 C (32 F): Ice days (max	90	167	1952	138
0 C (32 F): Frost days (min	126	225	1903	198
-10 C (14 F): Days with min	126	162	1891	129
-20 C (-4 F): Days with min	126	105	1892	74
-30 C (-22 F): Days with min	125	49	1966	19
-40 C (-40 F): Days with min	87	19	1969	1
20 C (68 F): Tropical nights (min	28	2	1900	1
10 mm (0.39 in): Days with 10 mm or more rain	138	19	1941	10
25 mm (0.98 in): Days with 25 mm or more rain	80	5	1896	1
50 mm (1.97 in): Days with 50 mm or more rain	9	1	1891	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

Data for Tomsk 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).

Tomsk Threshold Days by Year (RSM00029430)

Key Facts for Tomsk Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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