Certkovo Threshold Days by Year (RSM00034432)

15 fixed thresholds counted per year at Certkovo (RSM00034432): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Certkovo Thresholds

Certkovo: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 2001 with 26.
Certkovo: days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 2010 with 73.
Certkovo: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 1987 with 112.
Certkovo: nights with a minimum temperature at or below 0 C (32 F) in 75 years, most in 1987 with 175.
15 fixed thresholds have at least one qualifying day at Certkovo.

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Certkovo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 2010.

Days at or above 30 C (86 F) per year at Certkovo
Year	Days	Decade average
1941	12	21.6
1944	19	21.6
1945	7	21.6
1946	39	21.6
1947	28	21.6
1948	29	21.6
1949	17	21.6
1950	10	27.2
1951	36	27.2
1952	19	27.2
1953	30	27.2
1954	50	27.2
1955	23	27.2
1956	24	27.2
1957	38	27.2
1958	16	27.2
1959	26	27.2
1960	23	24.8
1961	21	24.8
1962	27	24.8
1963	28	24.8
1964	7	24.8
1965	32	24.8
1967	29	24.8
1968	35	24.8
1969	21	24.8
1970	21	23
1971	41	23
1972	67	23
1973	1	23
1974	9	23
1975	48	23
1976	1	23
1977	4	23
1978	4	23
1979	34	23
1980	17	25.4
1981	40	25.4
1982	11	25.4
1983	20	25.4
1984	23	25.4
1985	20	25.4
1986	47	25.4
1987	18	25.4
1988	36	25.4
1989	22	25.4
1990	7	30.2
1991	37	30.2
1992	24	30.2
1993	13	30.2
1994	17	30.2
1995	42	30.2
1996	45	30.2
1997	18	30.2
1998	48	30.2
1999	51	30.2
2000	29	34.1
2001	45	34.1
2002	42	34.1
2003	11	34.1
2004	17	34.1
2005	21	34.1
2006	37	34.1
2007	62	34.1
2008	37	34.1
2009	40	34.1
2010	73	48.6
2011	35	48.6
2012	57	48.6
2013	39	48.6
2014	47	48.6
2015	55	48.6
2016	45	48.6
2017	44	48.6
2018	42	48.6

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

First to last qualifying date each year at Certkovo
Year	First date	Last date
1941	1941-07-04	1941-09-15
1944	1944-06-23	1944-09-11
1945	1945-06-12	1945-08-13
1946	1946-06-06	1946-09-10
1947	1947-06-12	1947-08-10
1948	1948-05-30	1948-08-21
1949	1949-05-22	1949-08-20
1950	1950-05-28	1950-09-05
1951	1951-06-12	1951-08-25
1952	1952-06-27	1952-09-13
1953	1953-05-19	1953-08-30
1954	1954-06-15	1954-08-26
1955	1955-05-16	1955-08-05
1956	1956-06-07	1956-09-01
1957	1957-05-23	1957-09-17
1958	1958-05-18	1958-08-10
1959	1959-06-09	1959-08-25
1960	1960-06-14	1960-09-07
1961	1961-06-14	1961-08-19
1962	1962-05-29	1962-09-09
1963	1963-06-27	1963-09-09
1964	1964-07-01	1964-08-03
1965	1965-06-03	1965-09-08
1967	1967-05-07	1967-08-29
1968	1968-05-08	1968-09-04
1969	1969-06-08	1969-09-01
1970	1970-05-04	1970-08-13
1971	1971-06-07	1971-09-19
1972	1972-05-18	1972-08-28
1973	1973-07-17	1973-07-17
1974	1974-05-27	1974-09-11
1975	1975-05-16	1975-08-31
1976	1976-07-27	1976-07-27
1977	1977-07-28	1977-08-05
1978	1978-07-08	1978-09-01
1979	1979-05-20	1979-08-28
1980	1980-06-24	1980-08-10
1981	1981-06-09	1981-08-23
1982	1982-07-12	1982-09-08
1983	1983-05-24	1983-08-08
1984	1984-05-14	1984-08-13
1985	1985-05-09	1985-08-31
1986	1986-05-29	1986-09-17
1987	1987-06-10	1987-08-07
1988	1988-06-05	1988-08-27
1989	1989-06-08	1989-09-01
1990	1990-07-03	1990-08-12
1991	1991-06-18	1991-08-10
1992	1992-06-19	1992-08-19
1993	1993-06-24	1993-08-12
1994	1994-05-21	1994-09-19
1995	1995-05-15	1995-09-03
1996	1996-05-09	1996-08-22
1997	1997-05-09	1997-08-31
1998	1998-06-05	1998-09-21
1999	1999-06-07	1999-10-02
2000	2000-05-28	2000-09-06
2001	2001-06-21	2001-08-23
2002	2002-06-14	2002-09-03
2003	2003-05-23	2003-09-02
2004	2004-06-21	2004-08-30
2005	2005-05-22	2005-08-19
2006	2006-06-01	2006-09-02
2007	2007-05-19	2007-09-08
2008	2008-05-23	2008-09-10
2009	2009-06-08	2009-09-10
2010	2010-05-08	2010-09-02
2011	2011-06-19	2011-09-01
2012	2012-05-10	2012-08-29
2013	2013-05-05	2013-08-25
2014	2014-05-16	2014-08-25
2015	2015-05-27	2015-09-24
2016	2016-06-18	2016-09-06
2017	2017-06-21	2017-09-18
2018	2018-05-05	2018-09-14

Every Fixed Threshold

Fixed thresholds at Certkovo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	73	2010	42
35 C (95 F): Days	46	32	2010	2
40 C (104 F): Days	3	10	2010	10
90 F (32.2 C): Days	70	56	2010	12
100 F (37.8 C): Days	19	17	2010	1
0 C (32 F): Ice days (max	75	112	1987	84
0 C (32 F): Frost days (min	75	175	1987	145
-10 C (14 F): Days with min	75	79	1954	37
-20 C (-4 F): Days with min	68	35	1954	5
-30 C (-22 F): Days with min	10	3	1967	2
20 C (68 F): Tropical nights (min	64	35	2010	4
25 C (77 F): Days with min	1	2	2010	2
10 mm (0.39 in): Days with 10 mm or more rain	76	26	2001	11
25 mm (0.98 in): Days with 25 mm or more rain	56	5	2005	3
50 mm (1.97 in): Days with 50 mm or more rain	8	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

Data for Certkovo 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).

Certkovo Threshold Days by Year (RSM00034432)

Key Facts for Certkovo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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