Denton Threshold Days by Year (USC00242347)

17 fixed thresholds counted per year at Denton (USC00242347): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Denton Thresholds

Denton: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1954 with 18.
Denton: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1953 with 4.
Denton: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 1919 with 54.
Denton: days with a maximum temperature at or above 90 F (32.2 C) in 55 years, most in 1998 with 34.
17 fixed thresholds have at least one qualifying day at Denton.

Days at or above 30 C (86 F)

55 years with a qualifying day

Days per year at Denton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 1919.

Days at or above 30 C (86 F) per year at Denton
Year	Days	Decade average
1911	17	27.9
1912	14	27.9
1913	27	27.9
1914	32	27.9
1915	20	27.9
1916	21	27.9
1917	41	27.9
1918	25	27.9
1919	54	27.9
1920	32	31.3
1921	27	31.3
1922	35	31.3
1964	39	30.6
1965	15	30.6
1967	40	30.6
1968	22	30.6
1969	37	30.6
1970	34	28.2
1971	40	28.2
1972	24	28.2
1973	33	28.2
1974	32	28.2
1975	14	28.2
1976	32	28.2
1977	21	28.2
1978	19	28.2
1979	33	28.2
1980	26	33.8
1981	34	33.8
1985	33	33.8
1988	42	33.8
1990	32	28.5
1991	37	28.5
1992	22	28.5
1993	7	28.5
1994	34	28.5
1995	13	28.5
1996	30	28.5
1997	28	28.5
1998	44	28.5
1999	38	28.5
2000	38	33.6
2001	41	33.6
2002	22	33.6
2003	41	33.6
2004	21	33.6
2005	32	33.6
2006	42	33.6
2007	39	33.6
2008	28	33.6
2009	32	33.6
2010	22	38.8
2011	46	38.8
2012	48	38.8
2013	39	38.8

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

First to last qualifying date each year at Denton
Year	First date	Last date
1911	1911-05-05	1911-08-31
1912	1912-06-21	1912-08-26
1913	1913-05-26	1913-09-13
1914	1914-06-01	1914-09-25
1915	1915-06-24	1915-08-31
1916	1916-07-07	1916-09-03
1917	1917-05-14	1917-09-21
1918	1918-06-09	1918-08-26
1919	1919-05-19	1919-09-12
1920	1920-07-16	1920-10-05
1921	1921-06-07	1921-08-31
1922	1922-05-25	1922-09-20
1964	1964-05-19	1964-10-12
1965	1965-07-07	1965-08-12
1967	1967-07-06	1967-09-29
1968	1968-06-19	1968-09-11
1969	1969-05-24	1969-09-18
1970	1970-06-06	1970-09-01
1971	1971-06-21	1971-09-06
1972	1972-05-31	1972-08-29
1973	1973-06-22	1973-09-06
1974	1974-06-17	1974-09-25
1975	1975-07-12	1975-10-03
1976	1976-06-30	1976-10-01
1977	1977-06-01	1977-09-04
1978	1978-06-28	1978-09-27
1979	1979-06-11	1979-09-21
1980	1980-04-20	1980-10-07
1981	1981-06-26	1981-09-19
1985	1985-05-19	1985-08-30
1988	1988-05-16	1988-09-06
1990	1990-06-23	1990-09-25
1991	1991-06-11	1991-09-06
1992	1992-05-05	1992-10-03
1993	1993-05-11	1993-08-20
1994	1994-06-20	1994-09-25
1995	1995-07-08	1995-09-03
1996	1996-07-02	1996-10-10
1997	1997-06-04	1997-09-30
1998	1998-07-09	1998-09-17
1999	1999-05-25	1999-09-23
2000	2000-06-07	2000-09-18
2001	2001-05-13	2001-09-28
2002	2002-06-27	2002-09-17
2003	2003-07-01	2003-09-08
2004	2004-07-11	2004-09-11
2005	2005-06-21	2005-09-09
2006	2006-05-19	2006-09-04
2007	2007-06-22	2007-09-03
2008	2008-06-30	2008-10-04
2009	2009-05-30	2009-09-29
2010	2010-06-29	2010-10-03
2011	2011-06-28	2011-10-03
2012	2012-04-23	2012-09-15
2013	2013-05-13	2013-09-17

Every Fixed Threshold

Fixed thresholds at Denton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	55	54	1919	39
35 C (95 F): Days	47	16	2003	2
40 C (104 F): Days	1	1	1969	1
90 F (32.2 C): Days	55	34	1998	17
100 F (37.8 C): Days	12	3	2000	1
0 C (32 F): Ice days (max	55	79	1978	42
0 C (32 F): Frost days (min	53	218	1999	202
-10 C (14 F): Days with min	53	105	1978	77
-20 C (-4 F): Days with min	53	54	1916	13
-30 C (-22 F): Days with min	47	18	1996	4
-40 C (-40 F): Days with min	7	3	1969	2
20 C (68 F): Tropical nights (min	5	6	1919	6
10 mm (0.39 in): Days with 10 mm or more rain	83	18	1954	10
25 mm (0.98 in): Days with 25 mm or more rain	65	4	1953	2
50 mm (1.97 in): Days with 50 mm or more rain	12	2	1953	1
10 cm (3.9 in): Days with 10 cm or more snowfall	55	9	1949	3
25 cm (9.8 in): Days with 25 cm or more snowfall	9	1	1917	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

Data for Denton 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).

Denton Threshold Days by Year (USC00242347)

Key Facts for Denton Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related