Balmorhea Threshold Days by Year (USC00410498)

17 fixed thresholds counted per year at Balmorhea (USC00410498): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Balmorhea Thresholds

Balmorhea: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 1991 with 23.
Balmorhea: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 2011 with 194.
Balmorhea: days with a maximum temperature at or above 35 C (95 F) in 78 years, most in 1948 with 118.
Balmorhea: days with a maximum temperature at or above 90 F (32.2 C) in 78 years, most in 1948 with 162.
17 fixed thresholds have at least one qualifying day at Balmorhea.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Balmorhea with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 194 in 2011.

Days at or above 30 C (86 F) per year at Balmorhea
Year	Days	Decade average
1924	143	146.5
1925	146	146.5
1926	133	146.5
1927	169	146.5
1928	141	146.5
1929	147	146.5
1930	145	154.8
1931	151	154.8
1932	138	154.8
1933	159	154.8
1934	187	154.8
1935	141	154.8
1936	141	154.8
1937	158	154.8
1938	163	154.8
1939	165	154.8
1940	148	157.4
1941	131	157.4
1942	157	157.4
1943	148	157.4
1944	157	157.4
1945	163	157.4
1946	159	157.4
1948	185	157.4
1949	169	157.4
1951	175	167.1
1952	170	167.1
1953	174	167.1
1954	178	167.1
1955	157	167.1
1956	184	167.1
1957	154	167.1
1958	146	167.1
1959	166	167.1
1960	171	168.6
1961	172	168.6
1962	179	168.6
1963	186	168.6
1965	170	168.6
1966	157	168.6
1967	169	168.6
1968	151	168.6
1969	162	168.6
1970	144	153.3
1971	156	153.3
1976	134	153.3
1977	171	153.3
1978	161	153.3
1979	154	153.3
1980	151	153
1981	146	153
1982	172	153
1983	163	153
1984	142	153
1985	159	153
1986	156	153
1987	113	153
1988	158	153
1989	170	153
1990	111	148.1
1991	136	148.1
1992	134	148.1
1993	154	148.1
1994	160	148.1
1996	157	148.1
1997	153	148.1
1998	176	148.1
1999	152	148.1
2000	153	157
2001	170	157
2002	164	157
2005	141	157
2010	141	163.8
2011	194	163.8
2012	172	163.8
2017	161	163.8
2018	151	163.8
2020	165	165

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

First to last qualifying date each year at Balmorhea
Year	First date	Last date
1924	1924-03-25	1924-11-06
1925	1925-03-05	1925-10-06
1926	1926-04-23	1926-12-02
1927	1927-04-02	1927-11-21
1928	1928-03-03	1928-10-14
1929	1929-03-24	1929-10-11
1930	1930-04-07	1930-10-15
1931	1931-03-22	1931-11-08
1932	1932-02-09	1932-10-18
1933	1933-03-08	1933-11-01
1934	1934-03-06	1934-11-07
1935	1935-03-14	1935-11-03
1936	1936-03-31	1936-11-01
1937	1937-04-02	1937-10-30
1938	1938-02-12	1938-11-16
1939	1939-03-08	1939-10-26
1940	1940-02-28	1940-10-09
1941	1941-04-05	1941-10-20
1942	1942-03-15	1942-11-20
1943	1943-01-23	1943-11-05
1944	1944-03-13	1944-11-12
1945	1945-02-09	1945-11-07
1946	1946-03-02	1946-11-23
1948	1948-02-18	1948-11-17
1949	1949-03-16	1949-11-28
1951	1951-02-11	1951-12-30
1952	1952-01-07	1952-11-16
1953	1953-03-19	1953-10-21
1954	1954-02-14	1954-12-04
1955	1955-03-04	1955-12-23
1956	1956-01-27	1956-11-11
1957	1957-01-12	1957-10-07
1958	1958-04-04	1958-12-08
1959	1959-03-24	1959-10-26
1960	1960-03-08	1960-10-27
1961	1961-03-14	1961-10-29
1962	1962-02-10	1962-11-05
1963	1963-03-03	1963-11-16
1965	1965-03-27	1965-11-25
1966	1966-03-10	1966-11-22
1967	1967-02-15	1967-10-26
1968	1968-03-26	1968-10-31
1969	1969-04-01	1969-10-20
1970	1970-01-25	1970-11-27
1971	1971-03-26	1971-10-18
1976	1976-02-09	1976-10-13
1977	1977-03-14	1977-11-24
1978	1978-03-10	1978-10-13
1979	1979-04-07	1979-10-30
1980	1980-02-05	1980-11-10
1981	1981-03-27	1981-11-30
1982	1982-02-24	1982-11-01
1983	1983-04-01	1983-10-16
1984	1984-03-13	1984-11-01
1985	1985-02-23	1985-10-09
1986	1986-02-18	1986-10-03
1987	1987-04-13	1987-12-05
1988	1988-03-21	1988-11-13
1989	1989-02-25	1989-10-26
1990	1990-02-12	1990-10-08
1991	1991-03-06	1991-10-19
1992	1992-04-09	1992-10-21
1993	1993-03-27	1993-11-25
1994	1994-03-18	1994-11-09
1996	1996-02-19	1996-11-21
1997	1997-03-22	1997-11-26
1998	1998-02-25	1998-10-31
1999	1999-01-26	1999-10-30
2000	2000-02-10	2000-11-01
2001	2001-03-22	2001-11-02
2002	2002-03-14	2002-10-13
2005	2005-04-05	2005-11-09
2010	2010-03-31	2010-11-01
2011	2011-02-17	2011-11-02
2012	2012-03-08	2012-11-09
2017	2017-02-11	2017-11-18
2018	2018-02-15	2018-11-30
2020	2020-03-24	2020-11-19

Every Fixed Threshold

Fixed thresholds at Balmorhea
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	194	2011	165
35 C (95 F): Days	78	118	1948	101
40 C (104 F): Days	66	28	1980	15
90 F (32.2 C): Days	78	162	1948	145
100 F (37.8 C): Days	78	68	1980	41
110 F (43.3 C): Days	10	3	1939	1
0 C (32 F): Ice days (max	52	10	1983	2
0 C (32 F): Frost days (min	77	92	1979	57
-10 C (14 F): Days with min	53	12	1989	2
-20 C (-4 F): Days with min	2	1	1933	1
20 C (68 F): Tropical nights (min	77	75	2011	64
25 C (77 F): Days with min	46	9	1998	2
10 mm (0.39 in): Days with 10 mm or more rain	85	23	1991	4
25 mm (0.98 in): Days with 25 mm or more rain	72	8	1990	1
50 mm (1.97 in): Days with 50 mm or more rain	29	3	1932	1
100 mm (3.94 in): Days with 100 mm or more rain	1	0	n/a	1
10 cm (3.9 in): Days with 10 cm or more snowfall	14	3	1946	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

Data for Balmorhea 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).

Balmorhea Threshold Days by Year (USC00410498)

Key Facts for Balmorhea Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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