Douglas Threshold Days by Year (USC00092783)

16 fixed thresholds counted per year at Douglas (USC00092783): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Douglas Thresholds

Douglas: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1973 with 59.
Douglas: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1902 with 30.
Douglas: days with 50 mm (1.97 in) or more of precipitation in 69 years, most in 1961 with 10.
Douglas: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 1986 with 171.
16 fixed thresholds have at least one qualifying day at Douglas.

Days at or above 30 C (86 F)

68 years with a qualifying day

Days per year at Douglas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1986.

Days at or above 30 C (86 F) per year at Douglas
Year	Days	Decade average
1902	146	137.5
1903	129	137.5
1936	144	132.5
1937	132	132.5
1938	122	132.5
1939	132	132.5
1940	128	130
1941	142	130
1942	130	130
1943	128	130
1948	127	130
1949	125	130
1950	99	129.3
1951	144	129.3
1955	145	129.3
1960	132	120.3
1961	116	120.3
1962	143	120.3
1963	120	120.3
1964	117	120.3
1965	135	120.3
1966	96	120.3
1967	109	120.3
1968	127	120.3
1969	108	120.3
1970	134	133.1
1971	138	133.1
1972	103	133.1
1973	135	133.1
1974	140	133.1
1975	135	133.1
1976	112	133.1
1977	154	133.1
1978	150	133.1
1979	130	133.1
1980	142	139.8
1981	123	139.8
1982	138	139.8
1983	123	139.8
1984	135	139.8
1985	147	139.8
1986	171	139.8
1987	145	139.8
1988	129	139.8
1989	145	139.8
1990	164	141.9
1991	137	141.9
1992	123	141.9
1993	149	141.9
1994	132	141.9
1995	145	141.9
1996	144	141.9
1997	130	141.9
1998	145	141.9
1999	150	141.9
2000	153	146.3
2001	151	146.3
2002	171	146.3
2003	144	146.3
2004	164	146.3
2006	139	146.3
2007	138	146.3
2008	123	146.3
2009	134	146.3
2010	148	138.8
2011	142	138.8
2013	123	138.8
2014	142	138.8

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

First to last qualifying date each year at Douglas
Year	First date	Last date
1902	1902-04-11	1902-10-25
1903	1903-02-15	1903-10-16
1936	1936-03-26	1936-10-26
1937	1937-04-19	1937-10-07
1938	1938-03-21	1938-10-10
1939	1939-03-24	1939-10-28
1940	1940-04-02	1940-10-27
1941	1941-04-15	1941-10-27
1942	1942-04-08	1942-10-20
1943	1943-03-19	1943-10-21
1948	1948-03-21	1948-11-03
1949	1949-03-25	1949-10-25
1950	1950-04-30	1950-11-11
1951	1951-04-27	1951-10-30
1955	1955-03-11	1955-10-24
1960	1960-04-25	1960-10-19
1961	1961-03-07	1961-11-03
1962	1962-04-12	1962-10-22
1963	1963-03-19	1963-10-29
1964	1964-04-20	1964-10-04
1965	1965-04-07	1965-10-03
1966	1966-04-02	1966-10-19
1967	1967-03-13	1967-10-07
1968	1968-03-21	1968-10-04
1969	1969-04-05	1969-10-19
1970	1970-04-19	1970-10-16
1971	1971-04-19	1971-10-24
1972	1972-04-14	1972-11-04
1973	1973-03-16	1973-10-17
1974	1974-03-09	1974-10-16
1975	1975-03-13	1975-10-17
1976	1976-03-04	1976-10-07
1977	1977-03-16	1977-10-09
1978	1978-04-02	1978-10-26
1979	1979-03-21	1979-10-03
1980	1980-04-23	1980-10-20
1981	1981-04-05	1981-10-18
1982	1982-03-13	1982-10-10
1983	1983-04-06	1983-10-12
1984	1984-04-20	1984-10-27
1985	1985-03-11	1985-10-21
1986	1986-03-12	1986-11-09
1987	1987-04-12	1987-10-05
1988	1988-04-05	1988-10-02
1989	1989-02-15	1989-10-17
1990	1990-03-11	1990-10-22
1991	1991-03-22	1991-10-26
1992	1992-04-16	1992-09-28
1993	1993-03-30	1993-10-21
1994	1994-03-27	1994-10-01
1995	1995-04-09	1995-11-02
1996	1996-04-14	1996-10-29
1997	1997-03-02	1997-10-14
1998	1998-03-29	1998-11-01
1999	1999-04-03	1999-10-19
2000	2000-04-12	2000-11-08
2001	2001-04-06	2001-10-24
2002	2002-03-16	2002-11-10
2003	2003-04-07	2003-11-07
2004	2004-03-19	2004-11-03
2006	2006-04-16	2006-10-20
2007	2007-03-26	2007-10-24
2008	2008-05-05	2008-10-17
2009	2009-04-24	2009-11-01
2010	2010-04-03	2010-10-28
2011	2011-03-20	2011-10-18
2013	2013-05-11	2013-10-18
2014	2014-04-04	2014-10-28

Every Fixed Threshold

Fixed thresholds at Douglas
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	68	171	1986	142
35 C (95 F): Days	68	77	1902	32
40 C (104 F): Days	8	6	1902	1
90 F (32.2 C): Days	68	135	1986	102
100 F (37.8 C): Days	36	30	1902	1
110 F (43.3 C): Days	1	1	1902	1
0 C (32 F): Ice days (max	11	2	1962	1
0 C (32 F): Frost days (min	68	72	1968	34
-10 C (14 F): Days with min	15	4	1977	1
20 C (68 F): Tropical nights (min	68	120	1936	102
25 C (77 F): Days with min	19	13	2010	1
10 mm (0.39 in): Days with 10 mm or more rain	72	59	1973	33
25 mm (0.98 in): Days with 25 mm or more rain	72	30	1902	12
50 mm (1.97 in): Days with 50 mm or more rain	69	10	1961	6
100 mm (3.94 in): Days with 100 mm or more rain	24	2	1936	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1969	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Douglas 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).

Douglas Threshold Days by Year (USC00092783)

Key Facts for Douglas Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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