Zametchino Threshold Days by Year (RSM00027857)

17 fixed thresholds counted per year at Zametchino (RSM00027857): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zametchino Thresholds

Zametchino: days with 10 mm (0.39 in) or more of precipitation in 140 years, most in 1990 with 23.
Zametchino: nights with a minimum temperature at or below 0 C (32 F) in 131 years, most in 1902 with 199.
Zametchino: nights with a minimum temperature at or below -10 C (14 F) in 131 years, most in 1987 with 119.
Zametchino: nights with a minimum temperature at or below -20 C (-4 F) in 131 years, most in 1933 with 54.
17 fixed thresholds have at least one qualifying day at Zametchino.

Days at or above 30 C (86 F)

91 years with a qualifying day

Days per year at Zametchino with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 2010.

Days at or above 30 C (86 F) per year at Zametchino
Year	Days	Decade average
1921	16	9.2
1922	11	9.2
1923	6	9.2
1924	17	9.2
1925	9	9.2
1926	1	9.2
1927	4	9.2
1928	1	9.2
1929	18	9.2
1930	13	19.9
1931	22	19.9
1932	23	19.9
1933	8	19.9
1934	8	19.9
1935	9	19.9
1936	32	19.9
1938	36	19.9
1939	28	19.9
1940	19	15.6
1941	12	15.6
1943	11	15.6
1945	2	15.6
1946	29	15.6
1947	11	15.6
1948	30	15.6
1949	11	15.6
1950	4	16.9
1951	25	16.9
1952	16	16.9
1953	12	16.9
1954	31	16.9
1955	7	16.9
1956	17	16.9
1957	36	16.9
1958	9	16.9
1959	12	16.9
1960	24	12.4
1961	15	12.4
1962	5	12.4
1963	9	12.4
1964	4	12.4
1965	7	12.4
1966	22	12.4
1967	20	12.4
1968	12	12.4
1969	6	12.4
1970	13	23.5
1971	25	23.5
1972	54	23.5
1975	19	23.5
1977	15	23.5
1979	15	23.5
1980	4	14.4
1981	31	14.4
1982	11	14.4
1984	16	14.4
1985	5	14.4
1986	22	14.4
1987	14	14.4
1988	15	14.4
1989	12	14.4
1990	2	15.6
1991	17	15.6
1992	14	15.6
1993	4	15.6
1994	2	15.6
1995	32	15.6
1996	20	15.6
1997	14	15.6
1998	29	15.6
1999	22	15.6
2000	5	15.5
2001	22	15.5
2002	20	15.5
2003	1	15.5
2004	5	15.5
2005	10	15.5
2006	14	15.5
2007	36	15.5
2008	22	15.5
2009	20	15.5
2010	64	26.2
2011	25	26.2
2012	23	26.2
2013	23	26.2
2014	28	26.2
2015	20	26.2
2016	28	26.2
2017	7	26.2
2018	28	26.2
2019	16	26.2

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

First to last qualifying date each year at Zametchino
Year	First date	Last date
1921	1921-05-12	1921-08-19
1922	1922-06-18	1922-08-11
1923	1923-05-18	1923-08-02
1924	1924-05-27	1924-08-22
1925	1925-06-23	1925-08-15
1926	1926-07-30	1926-07-30
1927	1927-06-15	1927-08-27
1928	1928-07-05	1928-07-05
1929	1929-06-07	1929-08-26
1930	1930-07-26	1930-08-24
1931	1931-06-26	1931-08-12
1932	1932-06-19	1932-08-24
1933	1933-07-17	1933-08-03
1934	1934-05-18	1934-08-19
1935	1935-06-23	1935-08-18
1936	1936-06-01	1936-08-13
1938	1938-06-01	1938-09-16
1939	1939-05-22	1939-08-06
1940	1940-06-25	1940-08-25
1941	1941-07-03	1941-07-19
1943	1943-05-11	1943-08-09
1945	1945-06-13	1945-07-08
1946	1946-05-20	1946-08-28
1947	1947-06-25	1947-07-16
1948	1948-05-30	1948-08-22
1949	1949-05-24	1949-08-21
1950	1950-04-30	1950-08-06
1951	1951-06-12	1951-09-01
1952	1952-06-26	1952-09-13
1953	1953-05-19	1953-08-27
1954	1954-06-15	1954-08-20
1955	1955-05-16	1955-08-04
1956	1956-06-10	1956-08-31
1957	1957-05-10	1957-09-06
1958	1958-05-18	1958-08-10
1959	1959-06-10	1959-07-31
1960	1960-06-12	1960-08-04
1961	1961-06-13	1961-08-08
1962	1962-07-08	1962-08-10
1963	1963-07-09	1963-09-08
1964	1964-07-31	1964-08-04
1965	1965-07-03	1965-09-08
1966	1966-05-27	1966-08-24
1967	1967-05-06	1967-08-29
1968	1968-05-09	1968-09-03
1969	1969-08-26	1969-08-31
1970	1970-05-03	1970-08-13
1971	1971-06-04	1971-08-17
1972	1972-06-03	1972-08-29
1975	1975-06-05	1975-08-27
1977	1977-06-04	1977-08-09
1979	1979-05-19	1979-08-27
1980	1980-06-26	1980-07-30
1981	1981-06-11	1981-08-24
1982	1982-06-15	1982-09-02
1984	1984-05-22	1984-07-20
1985	1985-08-08	1985-08-12
1986	1986-05-30	1986-08-31
1987	1987-06-11	1987-08-06
1988	1988-06-04	1988-08-26
1989	1989-06-11	1989-08-18
1990	1990-07-07	1990-07-08
1991	1991-06-18	1991-07-04
1992	1992-06-18	1992-09-08
1993	1993-07-22	1993-07-28
1994	1994-06-11	1994-08-08
1995	1995-05-15	1995-09-08
1996	1996-05-08	1996-08-22
1997	1997-06-12	1997-08-27
1998	1998-06-10	1998-08-23
1999	1999-06-08	1999-07-31
2000	2000-05-30	2000-08-01
2001	2001-06-21	2001-08-20
2002	2002-07-06	2002-08-04
2003	2003-08-06	2003-08-06
2004	2004-08-20	2004-08-24
2005	2005-05-21	2005-08-10
2006	2006-06-04	2006-08-15
2007	2007-05-20	2007-08-26
2008	2008-07-14	2008-09-09
2009	2009-06-11	2009-09-07
2010	2010-05-07	2010-09-02
2011	2011-05-30	2011-08-31
2012	2012-05-09	2012-08-14
2013	2013-05-14	2013-08-15
2014	2014-05-21	2014-08-22
2015	2015-05-24	2015-09-24
2016	2016-06-18	2016-08-24
2017	2017-07-27	2017-08-22
2018	2018-05-03	2018-09-01
2019	2019-05-09	2019-08-22

Every Fixed Threshold

Fixed thresholds at Zametchino
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	91	64	2010	16
35 C (95 F): Days	33	34	2010	1
40 C (104 F): Days	1	8	2010	8
90 F (32.2 C): Days	77	50	2010	4
100 F (37.8 C): Days	6	21	2010	21
0 C (32 F): Ice days (max	96	135	1987	69
0 C (32 F): Frost days (min	131	199	1902	166
-10 C (14 F): Days with min	131	119	1987	80
-20 C (-4 F): Days with min	131	54	1933	14
-30 C (-22 F): Days with min	94	18	1893	1
-40 C (-40 F): Days with min	6	2	1892	1
20 C (68 F): Tropical nights (min	32	18	2010	1
25 C (77 F): Days with min	1	1	2010	1
10 mm (0.39 in): Days with 10 mm or more rain	140	23	1990	10
25 mm (0.98 in): Days with 25 mm or more rain	91	4	1925	2
50 mm (1.97 in): Days with 50 mm or more rain	10	2	1914	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1921.

Download the Data

Data for Zametchino 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).

Zametchino Threshold Days by Year (RSM00027857)

Key Facts for Zametchino Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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