Ft Sumner Threshold Days by Year

18 fixed thresholds counted per year at Ft Sumner (USC00293294): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ft Sumner Thresholds

Ft Sumner: days with 10 mm (0.39 in) or more of precipitation in 87 years, most in 1941 with 39.
Ft Sumner: days with a maximum temperature at or above 30 C (86 F) in 86 years, most in 1934 with 148.
Ft Sumner: days with a maximum temperature at or above 35 C (95 F) in 86 years, most in 1934 with 100.
Ft Sumner: days with a maximum temperature at or above 90 F (32.2 C) in 86 years, most in 1934 with 130.
18 fixed thresholds have at least one qualifying day at Ft Sumner.

Days at or above 30 C (86 F)

86 years with a qualifying day

Days per year at Ft Sumner with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 148 in 1934.

Days at or above 30 C (86 F) per year at Ft Sumner
Year	Days	Decade average
1913	101	105.3
1914	102	105.3
1915	80	105.3
1916	118	105.3
1917	103	105.3
1918	134	105.3
1919	99	105.3
1920	119	119.9
1922	129	119.9
1923	119	119.9
1924	110	119.9
1925	105	119.9
1926	118	119.9
1927	135	119.9
1928	111	119.9
1929	133	119.9
1931	142	129.4
1932	111	129.4
1933	138	129.4
1934	148	129.4
1935	114	129.4
1936	132	129.4
1937	124	129.4
1938	124	129.4
1939	132	129.4
1940	122	113.5
1941	90	113.5
1942	105	113.5
1943	132	113.5
1948	122	113.5
1949	110	113.5
1950	129	123.9
1951	118	123.9
1952	116	123.9
1953	138	123.9
1954	137	123.9
1955	112	123.9
1956	143	123.9
1957	105	123.9
1958	119	123.9
1959	122	123.9
1960	112	106.8
1961	109	106.8
1962	128	106.8
1963	116	106.8
1964	120	106.8
1965	102	106.8
1966	98	106.8
1967	86	106.8
1968	90	106.8
1971	82	102.5
1972	86	102.5
1975	104	102.5
1977	120	102.5
1978	110	102.5
1979	113	102.5
1980	116	96.2
1981	103	96.2
1982	97	96.2
1983	110	96.2
1984	95	96.2
1985	94	96.2
1986	73	96.2
1987	76	96.2
1988	83	96.2
1989	115	96.2
1990	98	95.4
1991	84	95.4
1992	91	95.4
1993	93	95.4
1994	111	95.4
1995	90	95.4
1996	86	95.4
1997	89	95.4
1998	119	95.4
1999	93	95.4
2000	128	106.8
2001	117	106.8
2003	108	106.8
2004	97	106.8
2005	97	106.8
2006	102	106.8
2007	106	106.8
2008	96	106.8
2009	110	106.8
2010	120	120

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

First to last qualifying date each year at Ft Sumner
Year	First date	Last date
1913	1913-04-01	1913-09-21
1914	1914-04-15	1914-10-17
1915	1915-05-13	1915-09-18
1916	1916-03-12	1916-11-04
1917	1917-04-24	1917-10-17
1918	1918-05-01	1918-10-12
1919	1919-04-19	1919-09-14
1920	1920-04-23	1920-10-10
1922	1922-04-22	1922-10-27
1923	1923-05-09	1923-09-28
1924	1924-04-15	1924-10-02
1925	1925-03-25	1925-10-05
1926	1926-04-30	1926-10-27
1927	1927-04-03	1927-10-05
1928	1928-04-17	1928-10-10
1929	1929-04-04	1929-10-12
1931	1931-04-14	1931-10-19
1932	1932-03-30	1932-09-21
1933	1933-04-07	1933-09-30
1934	1934-04-23	1934-10-09
1935	1935-04-14	1935-10-14
1936	1936-04-10	1936-09-18
1937	1937-04-14	1937-09-30
1938	1938-03-24	1938-10-07
1939	1939-04-09	1939-10-04
1940	1940-03-31	1940-10-05
1941	1941-05-07	1941-09-16
1942	1942-04-04	1942-10-09
1943	1943-03-29	1943-09-26
1948	1948-04-10	1948-10-14
1949	1949-04-22	1949-10-07
1950	1950-04-03	1950-10-29
1951	1951-04-28	1951-10-15
1952	1952-05-04	1952-10-26
1953	1953-04-21	1953-10-11
1954	1954-03-10	1954-10-13
1955	1955-04-17	1955-10-20
1956	1956-04-25	1956-10-08
1957	1957-04-18	1957-10-03
1958	1958-04-22	1958-10-19
1959	1959-04-02	1959-10-25
1960	1960-04-06	1960-09-29
1961	1961-04-04	1961-10-06
1962	1962-04-13	1962-10-14
1963	1963-03-28	1963-10-02
1964	1964-04-18	1964-10-17
1965	1965-04-20	1965-10-15
1966	1966-03-31	1966-09-29
1967	1967-03-29	1967-10-14
1968	1968-05-02	1968-10-14
1971	1971-03-26	1971-09-15
1972	1972-04-05	1972-10-11
1975	1975-05-09	1975-10-12
1977	1977-04-09	1977-10-01
1978	1978-04-01	1978-11-10
1979	1979-04-16	1979-10-27
1980	1980-04-20	1980-11-09
1981	1981-04-11	1981-10-01
1982	1982-04-13	1982-10-06
1983	1983-05-12	1983-10-11
1984	1984-04-18	1984-09-25
1985	1985-05-10	1985-10-07
1986	1986-04-08	1986-09-21
1987	1987-04-18	1987-10-31
1988	1988-04-09	1988-10-18
1989	1989-03-11	1989-10-15
1990	1990-03-22	1990-09-28
1991	1991-04-08	1991-10-18
1992	1992-04-11	1992-10-14
1993	1993-04-12	1993-10-06
1994	1994-04-19	1994-10-29
1995	1995-03-22	1995-09-28
1996	1996-04-11	1996-10-13
1997	1997-03-21	1997-10-05
1998	1998-03-25	1998-09-29
1999	1999-04-20	1999-10-15
2000	2000-04-05	2000-10-03
2001	2001-04-19	2001-10-04
2003	2003-04-14	2003-10-30
2004	2004-03-20	2004-09-22
2005	2005-05-11	2005-10-02
2006	2006-04-11	2006-11-09
2007	2007-03-19	2007-11-20
2008	2008-04-16	2008-10-03
2009	2009-03-03	2009-10-15
2010	2010-03-31	2010-10-30

Every Fixed Threshold

Fixed thresholds at Ft Sumner
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	86	148	1934	120
35 C (95 F): Days	86	100	1934	39
40 C (104 F): Days	35	10	1957	2
90 F (32.2 C): Days	86	130	1934	83
100 F (37.8 C): Days	74	37	1924	5
0 C (32 F): Ice days (max	73	18	1978	2
0 C (32 F): Frost days (min	85	160	1936	96
-10 C (14 F): Days with min	85	31	1918	4
-20 C (-4 F): Days with min	24	3	1987	1
-30 C (-22 F): Days with min	1	1	1963	1
20 C (68 F): Tropical nights (min	81	46	1954	34
25 C (77 F): Days with min	2	8	2008	8
10 mm (0.39 in): Days with 10 mm or more rain	87	39	1941	12
25 mm (0.98 in): Days with 25 mm or more rain	82	15	1941	5
50 mm (1.97 in): Days with 50 mm or more rain	37	4	1991	2
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1954	1
10 cm (3.9 in): Days with 10 cm or more snowfall	41	4	1918	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	3	1918	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

Data for Ft Sumner 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).

Ft Sumner Threshold Days by Year

Key Facts for Ft Sumner Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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