Derbent Threshold Days by Year (RSM00037470)

13 fixed thresholds counted per year at Derbent (RSM00037470): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Derbent Thresholds

Derbent: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1974 with 17.
Derbent: days with a maximum temperature at or above 30 C (86 F) in 81 years, most in 2015 with 67.
Derbent: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1972 with 83.
Derbent: nights with a minimum temperature at or above 20 C (68 F) in 78 years, most in 2014 with 94.
13 fixed thresholds have at least one qualifying day at Derbent.

Days at or above 30 C (86 F)

81 years with a qualifying day

Days per year at Derbent with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 2015.

Days at or above 30 C (86 F) per year at Derbent
Year	Days	Decade average
1936	12	13.3
1937	20	13.3
1938	8	13.3
1939	13	13.3
1940	20	12.2
1941	6	12.2
1942	8	12.2
1944	6	12.2
1945	8	12.2
1946	13	12.2
1947	6	12.2
1948	20	12.2
1949	23	12.2
1950	5	13.5
1951	19	13.5
1952	24	13.5
1953	17	13.5
1954	20	13.5
1955	15	13.5
1956	10	13.5
1957	14	13.5
1958	4	13.5
1959	7	13.5
1960	8	9.6
1961	11	9.6
1962	8	9.6
1963	5	9.6
1964	3	9.6
1965	13	9.6
1966	30	9.6
1967	4	9.6
1968	8	9.6
1969	6	9.6
1970	9	12.1
1971	16	12.1
1972	23	12.1
1973	8	12.1
1974	4	12.1
1975	28	12.1
1976	6	12.1
1977	7	12.1
1978	7	12.1
1979	13	12.1
1980	15	11.3
1981	18	11.3
1982	4	11.3
1983	15	11.3
1984	8	11.3
1985	3	11.3
1986	20	11.3
1987	12	11.3
1988	10	11.3
1989	8	11.3
1990	6	18
1991	18	18
1992	2	18
1993	7	18
1994	5	18
1995	24	18
1996	23	18
1997	16	18
1998	42	18
1999	37	18
2000	34	35.4
2001	31	35.4
2002	30	35.4
2003	25	35.4
2004	30	35.4
2006	51	35.4
2007	52	35.4
2008	38	35.4
2009	28	35.4
2010	59	51.7
2011	47	51.7
2012	48	51.7
2013	27	51.7
2014	55	51.7
2015	67	51.7
2016	53	51.7
2017	51	51.7
2018	58	51.7

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

First to last qualifying date each year at Derbent
Year	First date	Last date
1936	1936-06-29	1936-08-21
1937	1937-07-02	1937-08-22
1938	1938-07-04	1938-08-19
1939	1939-06-29	1939-08-07
1940	1940-06-08	1940-08-28
1941	1941-06-20	1941-07-21
1942	1942-06-24	1942-08-11
1944	1944-07-07	1944-08-25
1945	1945-05-28	1945-08-28
1946	1946-06-27	1946-08-27
1947	1947-07-12	1947-07-21
1948	1948-06-12	1948-08-18
1949	1949-06-20	1949-08-20
1950	1950-07-03	1950-09-07
1951	1951-06-24	1951-08-25
1952	1952-07-21	1952-08-23
1953	1953-07-10	1953-09-01
1954	1954-06-30	1954-08-13
1955	1955-06-11	1955-08-13
1956	1956-08-03	1956-09-02
1957	1957-06-11	1957-08-31
1958	1958-06-26	1958-08-23
1959	1959-06-14	1959-08-27
1960	1960-07-24	1960-08-23
1961	1961-06-18	1961-08-19
1962	1962-07-16	1962-09-10
1963	1963-06-28	1963-08-18
1964	1964-06-18	1964-08-13
1965	1965-07-01	1965-08-13
1966	1966-06-06	1966-08-23
1967	1967-07-14	1967-09-05
1968	1968-07-18	1968-09-20
1969	1969-06-06	1969-08-29
1970	1970-07-05	1970-08-21
1971	1971-06-14	1971-08-17
1972	1972-06-16	1972-08-24
1973	1973-07-18	1973-08-18
1974	1974-07-25	1974-08-21
1975	1975-06-21	1975-09-01
1976	1976-07-28	1976-08-23
1977	1977-06-14	1977-08-25
1978	1978-07-11	1978-08-13
1979	1979-06-20	1979-08-29
1980	1980-06-29	1980-08-18
1981	1981-06-25	1981-08-14
1982	1982-07-13	1982-07-18
1983	1983-07-04	1983-08-21
1984	1984-07-06	1984-07-30
1985	1985-08-04	1985-08-06
1986	1986-06-08	1986-09-10
1987	1987-06-18	1987-08-10
1988	1988-06-10	1988-08-07
1989	1989-07-21	1989-08-28
1990	1990-07-09	1990-07-27
1991	1991-06-29	1991-08-14
1992	1992-07-23	1992-07-24
1993	1993-06-26	1993-08-27
1994	1994-07-21	1994-08-16
1995	1995-06-18	1995-08-12
1996	1996-05-22	1996-09-05
1997	1997-06-28	1997-08-31
1998	1998-06-09	1998-09-01
1999	1999-07-02	1999-08-25
2000	2000-06-08	2000-09-07
2001	2001-07-10	2001-08-23
2002	2002-07-08	2002-08-15
2003	2003-07-07	2003-09-04
2004	2004-06-26	2004-09-02
2006	2006-06-10	2006-09-03
2007	2007-06-01	2007-09-09
2008	2008-07-12	2008-08-31
2009	2009-06-24	2009-08-07
2010	2010-06-05	2010-09-08
2011	2011-06-20	2011-08-22
2012	2012-06-13	2012-08-29
2013	2013-06-27	2013-08-28
2014	2014-05-17	2014-09-11
2015	2015-05-30	2015-09-09
2016	2016-06-20	2016-09-09
2017	2017-06-08	2017-09-16
2018	2018-06-07	2018-09-16

Every Fixed Threshold

Fixed thresholds at Derbent
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	81	67	2015	58
35 C (95 F): Days	13	7	2018	7
90 F (32.2 C): Days	65	31	2018	31
100 F (37.8 C): Days	2	1	1998	1
0 C (32 F): Ice days (max	73	31	1972	1
0 C (32 F): Frost days (min	79	83	1972	17
-10 C (14 F): Days with min	26	16	1972	4
20 C (68 F): Tropical nights (min	78	94	2014	81
25 C (77 F): Days with min	62	24	2018	24
10 mm (0.39 in): Days with 10 mm or more rain	83	17	1974	1
25 mm (0.98 in): Days with 25 mm or more rain	62	6	2012	2
50 mm (1.97 in): Days with 50 mm or more rain	20	2	1967	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1939	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.

Download the Data

Data for Derbent 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).

Derbent Threshold Days by Year (RSM00037470)

Key Facts for Derbent Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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