Ust-Ozernoe Threshold Days by Year (RSE00150200)

13 fixed thresholds counted per year at Ust-Ozernoe (RSE00150200): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ust-Ozernoe Thresholds

Ust-Ozernoe: days with a maximum temperature at or below 0 C (32 F) in 82 years, most in 1984 with 183.
Ust-Ozernoe: nights with a minimum temperature at or below 0 C (32 F) in 82 years, most in 1968 with 240.
Ust-Ozernoe: nights with a minimum temperature at or below -10 C (14 F) in 82 years, most in 1952 with 168.
Ust-Ozernoe: nights with a minimum temperature at or below -20 C (-4 F) in 82 years, most in 1966 with 116.
13 fixed thresholds have at least one qualifying day at Ust-Ozernoe.

Days at or above 30 C (86 F)

76 years with a qualifying day

Days per year at Ust-Ozernoe with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 1969.

Days at or above 30 C (86 F) per year at Ust-Ozernoe
Year	Days	Decade average
1936	3	4
1937	3	4
1939	6	4
1940	3	3.9
1941	1	3.9
1942	8	3.9
1943	1	3.9
1944	6	3.9
1946	4	3.9
1948	4	3.9
1950	7	9.3
1951	6	9.3
1952	10	9.3
1953	17	9.3
1954	7	9.3
1955	10	9.3
1956	7	9.3
1957	10	9.3
1958	12	9.3
1959	7	9.3
1962	8	9.8
1963	4	9.8
1964	11	9.8
1965	5	9.8
1966	3	9.8
1967	12	9.8
1968	14	9.8
1969	21	9.8
1970	8	5.7
1971	3	5.7
1972	1	5.7
1973	5	5.7
1974	7	5.7
1975	7	5.7
1976	7	5.7
1977	7	5.7
1978	8	5.7
1979	4	5.7
1980	5	6
1981	5	6
1982	14	6
1983	9	6
1984	4	6
1985	2	6
1986	5	6
1987	5	6
1988	3	6
1989	8	6
1990	7	6.8
1991	8	6.8
1992	3	6.8
1993	12	6.8
1994	9	6.8
1995	6	6.8
1996	8	6.8
1997	1	6.8
1998	1	6.8
1999	13	6.8
2000	3	4.7
2001	6	4.7
2002	5	4.7
2003	6	4.7
2004	3	4.7
2005	6	4.7
2006	5	4.7
2007	5	4.7
2009	3	4.7
2010	3	6.9
2011	2	6.9
2012	14	6.9
2013	2	6.9
2014	14	6.9
2015	8	6.9
2016	6	6.9
2017	8	6.9
2018	5	6.9

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

First to last qualifying date each year at Ust-Ozernoe
Year	First date	Last date
1936	1936-06-30	1936-07-02
1937	1937-07-08	1937-07-12
1939	1939-06-06	1939-06-28
1940	1940-06-14	1940-07-20
1941	1941-07-11	1941-07-11
1942	1942-06-12	1942-08-01
1943	1943-07-07	1943-07-07
1944	1944-06-25	1944-07-21
1946	1946-07-13	1946-07-16
1948	1948-07-02	1948-07-07
1950	1950-06-06	1950-07-14
1951	1951-07-23	1951-07-29
1952	1952-05-30	1952-08-01
1953	1953-05-28	1953-08-08
1954	1954-06-08	1954-08-10
1955	1955-05-29	1955-08-07
1956	1956-06-10	1956-08-13
1957	1957-06-05	1957-07-05
1958	1958-06-14	1958-07-16
1959	1959-05-25	1959-07-05
1962	1962-06-18	1962-08-02
1963	1963-06-23	1963-07-07
1964	1964-06-02	1964-07-25
1965	1965-05-18	1965-08-02
1966	1966-06-04	1966-07-20
1967	1967-06-07	1967-07-23
1968	1968-05-23	1968-07-19
1969	1969-06-14	1969-07-14
1970	1970-06-17	1970-08-03
1971	1971-06-19	1971-06-21
1972	1972-08-02	1972-08-02
1973	1973-06-16	1973-07-13
1974	1974-06-27	1974-07-13
1975	1975-07-07	1975-07-24
1976	1976-06-07	1976-07-06
1977	1977-06-03	1977-07-20
1978	1978-06-18	1978-07-24
1979	1979-06-24	1979-07-07
1980	1980-06-16	1980-07-06
1981	1981-06-08	1981-06-22
1982	1982-06-04	1982-08-08
1983	1983-06-22	1983-06-30
1984	1984-06-13	1984-07-07
1985	1985-07-23	1985-07-24
1986	1986-06-24	1986-07-16
1987	1987-07-11	1987-07-20
1988	1988-07-10	1988-07-31
1989	1989-07-10	1989-07-27
1990	1990-05-21	1990-07-12
1991	1991-05-14	1991-07-30
1992	1992-05-19	1992-07-08
1993	1993-07-05	1993-07-22
1994	1994-06-06	1994-07-11
1995	1995-07-29	1995-08-11
1996	1996-07-10	1996-07-25
1997	1997-07-13	1997-07-13
1998	1998-07-06	1998-07-06
1999	1999-05-24	1999-07-18
2000	2000-07-06	2000-07-08
2001	2001-05-25	2001-08-08
2002	2002-06-22	2002-08-12
2003	2003-06-25	2003-07-10
2004	2004-06-05	2004-06-30
2005	2005-07-03	2005-08-04
2006	2006-06-21	2006-06-25
2007	2007-07-06	2007-07-18
2009	2009-06-09	2009-07-16
2010	2010-06-19	2010-07-17
2011	2011-06-30	2011-07-01
2012	2012-06-08	2012-07-22
2013	2013-07-17	2013-07-18
2014	2014-06-17	2014-07-14
2015	2015-06-29	2015-07-20
2016	2016-06-11	2016-08-07
2017	2017-06-16	2017-08-05
2018	2018-06-23	2018-06-29

Every Fixed Threshold

Fixed thresholds at Ust-Ozernoe
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	76	21	1969	5
35 C (95 F): Days	7	2	1999	2
90 F (32.2 C): Days	44	15	1969	3
0 C (32 F): Ice days (max	82	183	1984	148
0 C (32 F): Frost days (min	82	240	1968	205
-10 C (14 F): Days with min	82	168	1952	132
-20 C (-4 F): Days with min	82	116	1966	83
-30 C (-22 F): Days with min	82	73	1966	35
-40 C (-40 F): Days with min	69	25	1947	13
20 C (68 F): Tropical nights (min	17	2	1967	1
10 mm (0.39 in): Days with 10 mm or more rain	82	18	2007	8
25 mm (0.98 in): Days with 25 mm or more rain	53	4	1980	1
50 mm (1.97 in): Days with 50 mm or more rain	6	1	1940	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 Ust-Ozernoe 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-Ozernoe Threshold Days by Year (RSE00150200)

Key Facts for Ust-Ozernoe Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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