Valdaj Threshold Days by Year (RSM00026289)

3 fixed thresholds counted per year at Valdaj (RSM00026289): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Valdaj Thresholds

Valdaj: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1973 with 27.
Valdaj: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1915 with 7.
Valdaj: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1915 with 3.
3 fixed thresholds have at least one qualifying day at Valdaj.

Days with 10 mm (0.39 in) or more of precipitation

69 years with a qualifying day

Days per year at Valdaj with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Valdaj
Year	Days	Decade average
1915	24	24
1925	19	16.6
1926	12	16.6
1927	15	16.6
1928	22	16.6
1929	15	16.6
1930	11	11.9
1931	8	11.9
1932	19	11.9
1936	12	11.9
1937	13	11.9
1938	12	11.9
1939	8	11.9
1940	11	12.5
1941	7	12.5
1942	18	12.5
1943	12	12.5
1944	8	12.5
1945	15	12.5
1946	11	12.5
1947	14	12.5
1948	15	12.5
1949	14	12.5
1950	17	14.7
1951	9	14.7
1952	18	14.7
1953	24	14.7
1954	9	14.7
1955	13	14.7
1956	14	14.7
1957	17	14.7
1958	11	14.7
1959	15	14.7
1960	9	14.3
1961	16	14.3
1962	15	14.3
1963	6	14.3
1964	5	14.3
1965	9	14.3
1966	16	14.3
1967	19	14.3
1968	25	14.3
1969	23	14.3
1970	5	13.9
1971	13	13.9
1972	11	13.9
1973	27	13.9
1974	19	13.9
1975	13	13.9
1976	13	13.9
1977	14	13.9
1978	14	13.9
1979	10	13.9
1980	13	14.8
1981	19	14.8
1982	9	14.8
1983	18	14.8
1984	14	14.8
1985	14	14.8
1986	19	14.8
1987	16	14.8
1988	9	14.8
1989	17	14.8
1990	21	17.3
1991	17	17.3
1992	19	17.3
1993	12	17.3
1994	17	17.3
1995	18	17.3

For each year, a bar from the first to the last day at Valdaj meeting 10 mm (0.39 in).

First to last qualifying date each year at Valdaj
Year	First date	Last date
1915	1915-02-27	1915-12-15
1925	1925-04-20	1925-09-26
1926	1926-03-21	1926-11-16
1927	1927-04-20	1927-12-27
1928	1928-05-22	1928-11-09
1929	1929-03-23	1929-11-03
1930	1930-04-18	1930-11-15
1931	1931-05-04	1931-10-24
1932	1932-05-26	1932-10-24
1936	1936-06-03	1936-12-19
1937	1937-05-15	1937-12-21
1938	1938-04-04	1938-10-19
1939	1939-01-17	1939-10-16
1940	1940-06-01	1940-11-28
1941	1941-05-12	1941-09-15
1942	1942-05-13	1942-10-10
1943	1943-04-26	1943-10-30
1944	1944-04-18	1944-09-09
1945	1945-04-02	1945-10-11
1946	1946-05-02	1946-10-02
1947	1947-03-26	1947-10-03
1948	1948-04-29	1948-11-22
1949	1949-05-01	1949-10-03
1950	1950-05-15	1950-11-08
1951	1951-04-30	1951-08-17
1952	1952-05-03	1952-10-21
1953	1953-03-30	1953-11-10
1954	1954-06-01	1954-10-17
1955	1955-05-08	1955-12-01
1956	1956-04-16	1956-10-13
1957	1957-05-14	1957-12-14
1958	1958-01-22	1958-11-14
1959	1959-04-20	1959-10-26
1960	1960-02-26	1960-12-05
1961	1961-04-06	1961-10-27
1962	1962-03-06	1962-10-19
1963	1963-06-03	1963-11-20
1964	1964-05-21	1964-11-15
1965	1965-03-03	1965-11-22
1966	1966-03-14	1966-12-15
1967	1967-04-18	1967-10-25
1968	1968-03-10	1968-12-30
1969	1969-04-25	1969-11-29
1970	1970-06-13	1970-10-10
1971	1971-05-01	1971-12-22
1972	1972-05-08	1972-11-12
1973	1973-02-06	1973-11-25
1974	1974-05-07	1974-11-30
1975	1975-01-05	1975-12-31
1976	1976-04-01	1976-12-06
1977	1977-02-27	1977-10-18
1978	1978-03-15	1978-11-23
1979	1979-07-01	1979-12-11
1980	1980-05-16	1980-12-16
1981	1981-03-10	1981-11-22
1982	1982-05-11	1982-12-12
1983	1983-01-22	1983-12-31
1984	1984-04-26	1984-10-24
1985	1985-05-08	1985-11-07
1986	1986-03-28	1986-12-04
1987	1987-04-24	1987-09-28
1988	1988-05-04	1988-09-21
1989	1989-02-08	1989-12-20
1990	1990-01-18	1990-10-21
1991	1991-01-11	1991-12-24
1992	1992-01-04	1992-12-29
1993	1993-01-23	1993-10-11
1994	1994-01-29	1994-12-30
1995	1995-01-27	1995-10-19

Every Fixed Threshold

Fixed thresholds at Valdaj
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	69	27	1973	18
25 mm (0.98 in): Days with 25 mm or more rain	51	7	1915	1
50 mm (1.97 in): Days with 50 mm or more rain	5	3	1915	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

Data for Valdaj 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).

Valdaj Threshold Days by Year (RSM00026289)

Key Facts for Valdaj Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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