Glen Rose 2 W Threshold Days by Year (USC00413591)

19 fixed thresholds counted per year at Glen Rose 2 W (USC00413591): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Glen Rose 2 W Thresholds

Glen Rose 2 W: nights with a minimum temperature at or below 0 C (32 F) in 36 years, most in 1999 with 124.
Glen Rose 2 W: nights with a minimum temperature at or above 20 C (68 F) in 36 years, most in 1964 with 116.
Glen Rose 2 W: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1982 with 38.
Glen Rose 2 W: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1973 with 15.
19 fixed thresholds have at least one qualifying day at Glen Rose 2 W.

Days at or above 30 C (86 F)

35 years with a qualifying day

Days per year at Glen Rose 2 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 172 in 1978.

Days at or above 30 C (86 F) per year at Glen Rose 2 W
Year	Days	Decade average
1964	144	148.2
1965	151	148.2
1966	134	148.2
1967	171	148.2
1968	143	148.2
1969	146	148.2
1970	135	147
1971	152	147
1972	164	147
1973	139	147
1974	147	147
1975	145	147
1976	131	147
1977	147	147
1978	172	147
1979	138	147
1980	159	153.1
1981	149	153.1
1982	155	153.1
1983	145	153.1
1984	152	153.1
1985	146	153.1
1986	152	153.1
1987	148	153.1
1988	168	153.1
1989	157	153.1
1990	144	141.3
1991	146	141.3
1992	139	141.3
1993	141	141.3
1994	135	141.3
1995	137	141.3
1996	151	141.3
1997	119	141.3
1999	160	141.3

For each year, a bar from the first to the last day at Glen Rose 2 W meeting 30 C (86 F).

First to last qualifying date each year at Glen Rose 2 W
Year	First date	Last date
1964	1964-04-02	1964-10-21
1965	1965-04-03	1965-11-26
1966	1966-03-31	1966-10-14
1967	1967-03-03	1967-10-26
1968	1968-04-13	1968-10-31
1969	1969-01-08	1969-11-08
1970	1970-04-12	1970-10-26
1971	1971-03-11	1971-10-18
1972	1972-02-25	1972-10-18
1973	1973-04-19	1973-12-12
1974	1974-03-02	1974-10-19
1975	1975-01-27	1975-11-09
1976	1976-02-09	1976-10-12
1977	1977-05-07	1977-10-31
1978	1978-04-01	1978-11-10
1979	1979-02-14	1979-10-22
1980	1980-02-19	1980-11-10
1981	1981-03-30	1981-10-17
1982	1982-02-22	1982-11-22
1983	1983-03-01	1983-11-22
1984	1984-03-27	1984-10-18
1985	1985-03-11	1985-10-24
1986	1986-01-20	1986-11-17
1987	1987-04-11	1987-11-04
1988	1988-03-10	1988-11-15
1989	1989-03-11	1989-11-21
1990	1990-04-04	1990-10-17
1991	1991-03-05	1991-10-24
1992	1992-03-07	1992-10-31
1993	1993-03-09	1993-10-16
1994	1994-03-19	1994-10-23
1995	1995-03-22	1995-11-10
1996	1996-02-14	1996-11-20
1997	1997-02-01	1997-10-05
1999	1999-04-08	1999-10-29

Every Fixed Threshold

Fixed thresholds at Glen Rose 2 W
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	35	172	1978	160
35 C (95 F): Days	35	109	1977	77
40 C (104 F): Days	28	33	1985	32
45 C (113 F): Days	1	1	1984	1
90 F (32.2 C): Days	35	139	1972	124
100 F (37.8 C): Days	35	70	1980	47
110 F (43.3 C): Days	6	2	1980	1
0 C (32 F): Ice days (max	18	9	1978	2
0 C (32 F): Frost days (min	36	124	1999	124
-10 C (14 F): Days with min	32	28	1999	28
-20 C (-4 F): Days with min	2	1	1989	1
20 C (68 F): Tropical nights (min	36	116	1964	1
25 C (77 F): Days with min	26	19	1978	8
10 mm (0.39 in): Days with 10 mm or more rain	36	38	1982	15
25 mm (0.98 in): Days with 25 mm or more rain	36	15	1973	4
50 mm (1.97 in): Days with 50 mm or more rain	34	6	1990	3
100 mm (3.94 in): Days with 100 mm or more rain	8	3	1991	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1995	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	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 1964.

Download the Data

Data for Glen Rose 2 W 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).

Glen Rose 2 W Threshold Days by Year (USC00413591)

Key Facts for Glen Rose 2 W Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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