Schriever Threshold Days by Year (USC00168295)

15 fixed thresholds counted per year at Schriever (USC00168295): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Schriever Thresholds

Schriever: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1922 with 66.
Schriever: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1911 with 32.
Schriever: days with 50 mm (1.97 in) or more of precipitation in 76 years, most in 1964 with 16.
Schriever: days with a maximum temperature at or above 30 C (86 F) in 74 years, most in 1909 with 184.
15 fixed thresholds have at least one qualifying day at Schriever.

Days at or above 30 C (86 F)

74 years with a qualifying day

Days per year at Schriever with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 184 in 1909.

Days at or above 30 C (86 F) per year at Schriever
Year	Days	Decade average
1893	150	152.3
1895	151	152.3
1896	171	152.3
1897	147	152.3
1898	129	152.3
1899	166	152.3
1900	166	161.7
1901	152	161.7
1902	155	161.7
1903	133	161.7
1904	173	161.7
1906	158	161.7
1907	166	161.7
1908	168	161.7
1909	184	161.7
1911	168	161.1
1912	163	161.1
1913	141	161.1
1914	160	161.1
1915	161	161.1
1916	161	161.1
1917	156	161.1
1918	184	161.1
1919	156	161.1
1920	156	150.4
1922	138	150.4
1923	125	150.4
1924	134	150.4
1925	166	150.4
1926	149	150.4
1927	178	150.4
1928	149	150.4
1929	159	150.4
1930	124	150.4
1931	129	150.4
1932	149	150.4
1933	179	150.4
1934	142	150.4
1935	162	150.4
1936	155	150.4
1937	154	150.4
1938	161	150.4
1939	149	150.4
1940	133	147.1
1941	158	147.1
1942	135	147.1
1943	154	147.1
1944	165	147.1
1948	144	147.1
1949	141	147.1
1950	137	140.4
1951	142	140.4
1952	129	140.4
1953	142	140.4
1954	146	140.4
1955	159	140.4
1956	131	140.4
1957	136	140.4
1958	139	140.4
1959	143	140.4
1960	141	144.3
1961	138	144.3
1962	167	144.3
1963	161	144.3
1964	130	144.3
1965	156	144.3
1966	129	144.3
1967	141	144.3
1968	148	144.3
1969	132	144.3
1970	144	150
1971	148	150
1972	162	150
1973	146	150

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

First to last qualifying date each year at Schriever
Year	First date	Last date
1893	1893-04-04	1893-10-12
1895	1895-04-01	1895-11-09
1896	1896-04-20	1896-11-24
1897	1897-03-21	1897-11-27
1898	1898-03-27	1898-11-06
1899	1899-03-27	1899-11-18
1900	1900-03-13	1900-11-25
1901	1901-04-24	1901-11-02
1902	1902-03-24	1902-11-14
1903	1903-03-07	1903-11-17
1904	1904-03-02	1904-10-23
1906	1906-04-08	1906-11-27
1907	1907-01-13	1907-11-09
1908	1908-03-09	1908-12-18
1909	1909-01-25	1909-11-30
1911	1911-03-07	1911-11-18
1912	1912-03-18	1912-10-31
1913	1913-03-21	1913-12-05
1914	1914-03-31	1914-11-07
1915	1915-04-10	1915-11-14
1916	1916-01-27	1916-12-07
1917	1917-02-20	1917-10-29
1918	1918-02-26	1918-12-12
1919	1919-03-21	1919-11-09
1920	1920-04-16	1920-11-09
1922	1922-04-08	1922-11-06
1923	1923-03-04	1923-10-16
1924	1924-03-31	1924-11-15
1925	1925-03-10	1925-11-06
1926	1926-04-23	1926-12-09
1927	1927-01-21	1927-11-10
1928	1928-03-08	1928-11-18
1929	1929-03-13	1929-11-01
1930	1930-04-07	1930-11-17
1931	1931-04-16	1931-10-22
1932	1932-02-28	1932-10-31
1933	1933-02-24	1933-12-17
1934	1934-04-04	1934-11-02
1935	1935-03-26	1935-11-11
1936	1936-04-12	1936-11-03
1937	1937-01-17	1937-10-09
1938	1938-03-14	1938-10-27
1939	1939-03-28	1939-10-27
1940	1940-03-12	1940-11-04
1941	1941-04-18	1941-11-20
1942	1942-04-30	1942-10-25
1943	1943-04-09	1943-10-24
1944	1944-04-11	1944-11-03
1948	1948-04-08	1948-10-31
1949	1949-04-24	1949-10-24
1950	1950-05-05	1950-11-02
1951	1951-04-22	1951-11-26
1952	1952-04-29	1952-11-02
1953	1953-04-18	1953-10-25
1954	1954-04-06	1954-10-27
1955	1955-03-16	1955-11-16
1956	1956-04-28	1956-11-02
1957	1957-02-04	1957-11-16
1958	1958-04-22	1958-11-18
1959	1959-04-19	1959-11-04
1960	1960-04-21	1960-10-16
1961	1961-04-27	1961-11-01
1962	1962-04-28	1962-10-20
1963	1963-03-17	1963-10-28
1964	1964-04-23	1964-09-29
1965	1965-03-29	1965-10-16
1966	1966-04-13	1966-10-14
1967	1967-04-11	1967-10-24
1968	1968-04-21	1968-11-03
1969	1969-05-08	1969-11-13
1970	1970-04-16	1970-10-26
1971	1971-03-14	1971-11-02
1972	1972-03-28	1972-11-02
1973	1973-05-09	1973-11-08

Every Fixed Threshold

Fixed thresholds at Schriever
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	74	184	1909	146
35 C (95 F): Days	74	82	1918	17
40 C (104 F): Days	2	1	1909	1
90 F (32.2 C): Days	74	151	1918	91
100 F (37.8 C): Days	21	14	1915	1
0 C (32 F): Ice days (max	4	3	1899	1
0 C (32 F): Frost days (min	74	38	1901	18
-10 C (14 F): Days with min	3	3	1962	3
20 C (68 F): Tropical nights (min	74	147	1973	147
25 C (77 F): Days with min	42	10	1916	1
10 mm (0.39 in): Days with 10 mm or more rain	76	66	1922	48
25 mm (0.98 in): Days with 25 mm or more rain	76	32	1911	22
50 mm (1.97 in): Days with 50 mm or more rain	76	16	1964	8
100 mm (3.94 in): Days with 100 mm or more rain	45	4	1944	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Schriever 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).

Schriever Threshold Days by Year (USC00168295)

Key Facts for Schriever Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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