Ust-Sugor Threshold Days by Year (RSM00023518)

8 fixed thresholds counted per year at Ust-Sugor (RSM00023518): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ust-Sugor Thresholds

Ust-Sugor: days with 10 mm (0.39 in) or more of precipitation in 96 years, most in 1923 with 28.
Ust-Sugor: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1923 with 7.
Ust-Sugor: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1930 with 1.
8 fixed thresholds have at least one qualifying day at Ust-Sugor.

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

96 years with a qualifying day

Days per year at Ust-Sugor with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1923.

Days with 10 mm (0.39 in) or more of precipitation per year at Ust-Sugor
Year	Days	Decade average
1896	14	10.5
1897	12	10.5
1898	4	10.5
1899	12	10.5
1900	12	8.5
1901	9	8.5
1902	8	8.5
1903	8	8.5
1904	10	8.5
1905	9	8.5
1906	8	8.5
1907	7	8.5
1908	9	8.5
1909	5	8.5
1910	8	8.1
1911	9	8.1
1912	5	8.1
1913	12	8.1
1914	8	8.1
1915	9	8.1
1916	3	8.1
1917	11	8.1
1921	7	13.4
1923	28	13.4
1925	6	13.4
1926	8	13.4
1927	13	13.4
1928	13	13.4
1929	19	13.4
1930	10	7.6
1931	14	7.6
1932	9	7.6
1933	6	7.6
1934	8	7.6
1936	3	7.6
1937	4	7.6
1938	7	7.6
1939	7	7.6
1940	10	8.7
1941	8	8.7
1942	8	8.7
1943	9	8.7
1944	10	8.7
1945	4	8.7
1946	8	8.7
1947	5	8.7
1948	12	8.7
1949	13	8.7
1950	7	10.7
1951	18	10.7
1952	12	10.7
1953	8	10.7
1954	13	10.7
1955	11	10.7
1956	12	10.7
1957	12	10.7
1958	10	10.7
1959	4	10.7
1960	10	10.4
1961	9	10.4
1962	14	10.4
1963	5	10.4
1964	11	10.4
1965	13	10.4
1966	10	10.4
1967	12	10.4
1968	8	10.4
1969	12	10.4
1970	6	9.1
1971	11	9.1
1972	13	9.1
1973	9	9.1
1974	4	9.1
1975	13	9.1
1976	6	9.1
1977	10	9.1
1978	7	9.1
1979	12	9.1
1980	11	11.8
1981	16	11.8
1982	11	11.8
1983	19	11.8
1984	14	11.8
1985	9	11.8
1986	10	11.8
1987	9	11.8
1988	10	11.8
1989	9	11.8
1990	15	13
1991	15	13
1992	15	13
1993	12	13
1994	8	13
2017	11	12.5
2018	14	12.5
2025	1	1

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

First to last qualifying date each year at Ust-Sugor
Year	First date	Last date
1896	1896-05-11	1896-10-25
1897	1897-06-12	1897-08-19
1898	1898-01-29	1898-08-17
1899	1899-01-14	1899-10-10
1900	1900-06-12	1900-09-27
1901	1901-05-24	1901-10-30
1902	1902-05-28	1902-10-08
1903	1903-01-15	1903-11-02
1904	1904-07-10	1904-12-08
1905	1905-06-21	1905-09-12
1906	1906-06-07	1906-10-11
1907	1907-07-03	1907-10-15
1908	1908-06-09	1908-10-14
1909	1909-07-13	1909-10-29
1910	1910-06-26	1910-10-02
1911	1911-05-17	1911-11-20
1912	1912-07-01	1912-08-10
1913	1913-06-14	1913-11-23
1914	1914-04-30	1914-09-22
1915	1915-05-17	1915-09-20
1916	1916-05-20	1916-08-05
1917	1917-04-28	1917-10-13
1921	1921-05-17	1921-08-09
1923	1923-04-20	1923-12-05
1925	1925-01-20	1925-09-11
1926	1926-06-08	1926-10-26
1927	1927-06-07	1927-09-24
1928	1928-06-08	1928-09-26
1929	1929-04-21	1929-10-13
1930	1930-06-02	1930-09-26
1931	1931-03-23	1931-10-26
1932	1932-04-24	1932-11-03
1933	1933-05-28	1933-10-31
1934	1934-05-14	1934-10-20
1936	1936-07-15	1936-09-20
1937	1937-04-23	1937-10-13
1938	1938-04-25	1938-09-06
1939	1939-06-16	1939-09-22
1940	1940-04-17	1940-09-20
1941	1941-05-19	1941-09-18
1942	1942-04-25	1942-10-29
1943	1943-04-05	1943-11-05
1944	1944-04-02	1944-09-15
1945	1945-08-01	1945-11-15
1946	1946-03-31	1946-07-25
1947	1947-05-26	1947-10-02
1948	1948-06-05	1948-10-21
1949	1949-06-10	1949-10-28
1950	1950-05-25	1950-09-26
1951	1951-04-06	1951-09-27
1952	1952-05-20	1952-10-12
1953	1953-05-20	1953-10-22
1954	1954-03-06	1954-10-15
1955	1955-05-02	1955-10-15
1956	1956-05-20	1956-09-30
1957	1957-05-16	1957-11-10
1958	1958-06-07	1958-12-17
1959	1959-04-21	1959-09-01
1960	1960-04-02	1960-11-07
1961	1961-04-20	1961-11-02
1962	1962-05-12	1962-12-19
1963	1963-06-11	1963-07-24
1964	1964-05-01	1964-10-04
1965	1965-05-16	1965-10-29
1966	1966-04-21	1966-10-25
1967	1967-04-19	1967-10-17
1968	1968-04-09	1968-11-06
1969	1969-05-22	1969-09-14
1970	1970-04-19	1970-10-10
1971	1971-03-24	1971-09-07
1972	1972-03-21	1972-12-05
1973	1973-01-16	1973-10-18
1974	1974-07-07	1974-08-31
1975	1975-04-28	1975-09-20
1976	1976-06-19	1976-08-26
1977	1977-06-24	1977-11-14
1978	1978-02-17	1978-11-12
1979	1979-03-17	1979-07-25
1980	1980-06-13	1980-11-21
1981	1981-01-29	1981-12-10
1982	1982-04-06	1982-10-20
1983	1983-03-28	1983-12-01
1984	1984-02-20	1984-11-14
1985	1985-05-23	1985-08-28
1986	1986-02-25	1986-11-30
1987	1987-05-09	1987-08-25
1988	1988-06-03	1988-12-12
1989	1989-05-01	1989-11-13
1990	1990-02-09	1990-10-21
1991	1991-04-21	1991-11-21
1992	1992-05-12	1992-12-18
1993	1993-05-29	1993-10-24
1994	1994-05-02	1994-10-30
2017	2017-05-21	2017-10-18
2018	2018-02-04	2018-10-22
2025	2025-01-19	2025-01-19

Every Fixed Threshold

Fixed thresholds at Ust-Sugor
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
0 C (32 F): Ice days (max	1	0	n/a	58
0 C (32 F): Frost days (min	1	0	n/a	101
-10 C (14 F): Days with min	1	0	n/a	47
-20 C (-4 F): Days with min	1	0	n/a	21
-30 C (-22 F): Days with min	1	0	n/a	6
10 mm (0.39 in): Days with 10 mm or more rain	96	28	1923	1
25 mm (0.98 in): Days with 25 mm or more rain	50	7	1923	2
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1930	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2025.

Download the Data

Data for Ust-Sugor 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).

Ust-Sugor Threshold Days by Year (RSM00023518)

Key Facts for Ust-Sugor Thresholds

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

Every Fixed Threshold

Download the Data

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