Pervomajskoe Threshold Days by Year (RSM00029348)

13 fixed thresholds counted per year at Pervomajskoe (RSM00029348): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pervomajskoe Thresholds

Pervomajskoe: days with a maximum temperature at or below 0 C (32 F) in 83 years, most in 1952 with 167.
Pervomajskoe: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1996 with 17.
Pervomajskoe: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1936 with 223.
Pervomajskoe: nights with a minimum temperature at or below -10 C (14 F) in 79 years, most in 1937 with 157.
13 fixed thresholds have at least one qualifying day at Pervomajskoe.

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Pervomajskoe with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 2012.

Days at or above 30 C (86 F) per year at Pervomajskoe
Year	Days	Decade average
1936	3	2.3
1937	2	2.3
1939	2	2.3
1940	8	4.7
1942	7	4.7
1943	3	4.7
1944	4	4.7
1946	3	4.7
1948	3	4.7
1951	8	6.8
1952	9	6.8
1953	13	6.8
1954	4	6.8
1955	9	6.8
1956	4	6.8
1957	6	6.8
1958	6	6.8
1959	2	6.8
1960	1	7.4
1961	8	7.4
1962	7	7.4
1963	5	7.4
1964	4	7.4
1965	10	7.4
1966	1	7.4
1967	7	7.4
1968	12	7.4
1969	19	7.4
1970	3	7
1971	5	7
1973	5	7
1974	11	7
1975	13	7
1976	6	7
1977	10	7
1978	4	7
1979	6	7
1980	7	5.1
1981	4	5.1
1982	10	5.1
1983	8	5.1
1985	2	5.1
1986	4	5.1
1987	2	5.1
1988	1	5.1
1989	8	5.1
1990	8	7.9
1991	8	7.9
1992	2	7.9
1993	5	7.9
1994	10	7.9
1995	11	7.9
1996	8	7.9
1997	2	7.9
1998	11	7.9
1999	14	7.9
2000	7	7.4
2001	10	7.4
2002	5	7.4
2003	9	7.4
2004	13	7.4
2005	11	7.4
2006	9	7.4
2007	6	7.4
2008	2	7.4
2009	2	7.4
2010	7	10.3
2011	13	10.3
2012	22	10.3
2013	2	10.3
2014	15	10.3
2015	8	10.3
2016	7	10.3
2017	10	10.3
2018	9	10.3

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

First to last qualifying date each year at Pervomajskoe
Year	First date	Last date
1936	1936-06-30	1936-07-02
1937	1937-07-11	1937-07-12
1939	1939-06-07	1939-06-08
1940	1940-06-13	1940-08-02
1942	1942-06-07	1942-08-03
1943	1943-06-28	1943-07-07
1944	1944-06-26	1944-06-29
1946	1946-07-10	1946-07-14
1948	1948-07-03	1948-07-30
1951	1951-06-06	1951-07-29
1952	1952-05-30	1952-08-01
1953	1953-05-31	1953-08-08
1954	1954-07-30	1954-08-10
1955	1955-05-30	1955-08-08
1956	1956-05-24	1956-07-06
1957	1957-06-21	1957-07-16
1958	1958-06-18	1958-07-14
1959	1959-05-25	1959-07-01
1960	1960-06-25	1960-06-25
1961	1961-06-26	1961-07-05
1962	1962-06-23	1962-08-17
1963	1963-06-23	1963-07-09
1964	1964-06-02	1964-07-22
1965	1965-06-02	1965-08-02
1966	1966-06-04	1966-06-04
1967	1967-06-06	1967-07-13
1968	1968-05-23	1968-07-16
1969	1969-06-14	1969-07-31
1970	1970-06-23	1970-07-13
1971	1971-06-19	1971-06-24
1973	1973-06-02	1973-06-19
1974	1974-05-30	1974-08-03
1975	1975-06-14	1975-07-28
1976	1976-06-06	1976-07-05
1977	1977-06-03	1977-07-20
1978	1978-06-18	1978-07-28
1979	1979-06-24	1979-07-30
1980	1980-06-16	1980-07-07
1981	1981-06-19	1981-06-22
1982	1982-06-04	1982-08-04
1983	1983-06-11	1983-07-01
1985	1985-07-23	1985-07-24
1986	1986-07-02	1986-07-29
1987	1987-07-15	1987-07-16
1988	1988-07-11	1988-07-11
1989	1989-07-10	1989-07-28
1990	1990-05-22	1990-07-25
1991	1991-05-13	1991-07-30
1992	1992-05-19	1992-05-20
1993	1993-07-07	1993-07-13
1994	1994-06-06	1994-07-06
1995	1995-07-03	1995-08-17
1996	1996-07-10	1996-07-24
1997	1997-05-27	1997-07-13
1998	1998-06-02	1998-08-17
1999	1999-05-23	1999-07-18
2000	2000-06-23	2000-08-06
2001	2001-05-09	2001-08-09
2002	2002-05-22	2002-08-12
2003	2003-06-07	2003-07-09
2004	2004-05-15	2004-08-15
2005	2005-06-08	2005-08-22
2006	2006-06-05	2006-07-05
2007	2007-07-06	2007-07-20
2008	2008-06-01	2008-06-28
2009	2009-06-09	2009-07-16
2010	2010-06-19	2010-09-01
2011	2011-05-31	2011-07-01
2012	2012-06-05	2012-08-01
2013	2013-07-17	2013-07-19
2014	2014-06-16	2014-08-19
2015	2015-06-20	2015-07-19
2016	2016-06-10	2016-08-06
2017	2017-05-23	2017-08-04
2018	2018-06-18	2018-07-14

Every Fixed Threshold

Fixed thresholds at Pervomajskoe
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	22	2012	9
35 C (95 F): Days	2	1	1974	1
90 F (32.2 C): Days	45	8	1999	2
0 C (32 F): Ice days (max	83	167	1952	137
0 C (32 F): Frost days (min	79	223	1936	192
-10 C (14 F): Days with min	79	157	1937	127
-20 C (-4 F): Days with min	79	97	1945	75
-30 C (-22 F): Days with min	79	45	1945	23
-40 C (-40 F): Days with min	58	19	1969	7
20 C (68 F): Tropical nights (min	15	3	2005	2
10 mm (0.39 in): Days with 10 mm or more rain	83	17	1996	8
25 mm (0.98 in): Days with 25 mm or more rain	42	4	1996	2
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1938	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

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Data for Pervomajskoe 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).

Pervomajskoe Threshold Days by Year (RSM00029348)

Key Facts for Pervomajskoe Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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