Reserve Threshold Days by Year (USC00167767)

16 fixed thresholds counted per year at Reserve (USC00167767): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Reserve Thresholds

Reserve: days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 1991 with 71.
Reserve: days with 25 mm (0.98 in) or more of precipitation in 99 years, most in 1919 with 34.
Reserve: days with 50 mm (1.97 in) or more of precipitation in 98 years, most in 1914 with 15.
Reserve: nights with a minimum temperature at or below 0 C (32 F) in 90 years, most in 1978 with 38.
16 fixed thresholds have at least one qualifying day at Reserve.

Days at or above 30 C (86 F)

89 years with a qualifying day

Days per year at Reserve with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 196 in 1913.

Days at or above 30 C (86 F) per year at Reserve
Year	Days	Decade average
1905	133	125.7
1908	136	125.7
1909	108	125.7
1911	186	170.1
1912	162	170.1
1913	196	170.1
1914	153	170.1
1915	185	170.1
1916	155	170.1
1917	162	170.1
1918	182	170.1
1919	150	170.1
1922	138	142
1923	138	142
1926	142	142
1927	154	142
1928	144	142
1929	136	142
1930	119	131.9
1931	126	131.9
1932	118	131.9
1933	144	131.9
1934	128	131.9
1935	157	131.9
1936	142	131.9
1937	138	131.9
1939	115	131.9
1940	114	135.3
1941	139	135.3
1942	125	135.3
1943	140	135.3
1944	152	135.3
1945	139	135.3
1946	129	135.3
1948	137	135.3
1949	143	135.3
1950	135	131.7
1951	130	131.7
1952	127	131.7
1953	143	131.7
1954	142	131.7
1955	126	131.7
1956	125	131.7
1957	123	131.7
1958	126	131.7
1959	140	131.7
1960	135	122.7
1961	113	122.7
1962	161	122.7
1963	125	122.7
1964	126	122.7
1965	115	122.7
1966	105	122.7
1967	96	122.7
1968	126	122.7
1969	125	122.7
1970	119	123.1
1971	109	123.1
1974	116	123.1
1975	111	123.1
1977	126	123.1
1978	131	123.1
1979	150	123.1
1980	140	129.6
1981	140	129.6
1982	131	129.6
1983	114	129.6
1984	123	129.6
1985	136	129.6
1986	145	129.6
1987	118	129.6
1988	133	129.6
1989	116	129.6
1990	136	124.2
1991	112	124.2
1992	100	124.2
1993	120	124.2
1994	111	124.2
1995	133	124.2
1996	146	124.2
1998	135	124.2
1999	125	124.2
2001	128	131.7
2002	134	131.7
2003	111	131.7
2004	139	131.7
2005	141	131.7
2006	144	131.7
2008	125	131.7

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

First to last qualifying date each year at Reserve
Year	First date	Last date
1905	1905-04-21	1905-12-01
1908	1908-03-03	1908-10-14
1909	1909-05-08	1909-10-17
1911	1911-02-08	1911-12-15
1912	1912-03-22	1912-12-17
1913	1913-03-11	1913-12-04
1914	1914-04-01	1914-10-24
1915	1915-04-08	1915-11-14
1916	1916-04-13	1916-11-09
1917	1917-03-01	1917-10-28
1918	1918-02-28	1918-11-18
1919	1919-03-20	1919-11-17
1922	1922-04-15	1922-12-16
1923	1923-03-06	1923-10-04
1926	1926-05-10	1926-10-18
1927	1927-04-03	1927-11-02
1928	1928-03-13	1928-10-15
1929	1929-03-23	1929-10-01
1930	1930-04-07	1930-10-16
1931	1931-04-17	1931-10-24
1932	1932-04-21	1932-10-18
1933	1933-04-28	1933-10-17
1934	1934-04-24	1934-11-01
1935	1935-03-23	1935-11-10
1936	1936-03-25	1936-11-03
1937	1937-04-16	1937-10-09
1939	1939-05-21	1939-10-27
1940	1940-04-02	1940-10-30
1941	1941-05-07	1941-10-31
1942	1942-05-01	1942-10-24
1943	1943-04-10	1943-10-04
1944	1944-04-01	1944-10-30
1945	1945-03-04	1945-11-10
1946	1946-03-30	1946-11-09
1948	1948-04-09	1948-10-18
1949	1949-04-25	1949-10-25
1950	1950-04-22	1950-11-02
1951	1951-04-22	1951-10-30
1952	1952-04-29	1952-10-06
1953	1953-04-02	1953-10-26
1954	1954-03-31	1954-10-28
1955	1955-03-06	1955-11-07
1956	1956-04-05	1956-10-19
1957	1957-02-05	1957-09-23
1958	1958-04-24	1958-10-26
1959	1959-04-20	1959-10-14
1960	1960-04-22	1960-10-17
1961	1961-04-28	1961-11-02
1962	1962-03-10	1962-10-20
1963	1963-03-18	1963-10-29
1964	1964-04-24	1964-09-30
1965	1965-04-11	1965-10-12
1966	1966-04-14	1966-10-10
1967	1967-04-18	1967-10-15
1968	1968-05-13	1968-10-18
1969	1969-05-21	1969-10-14
1970	1970-04-18	1970-10-09
1971	1971-04-24	1971-10-16
1974	1974-04-04	1974-09-29
1975	1975-04-26	1975-10-15
1977	1977-05-09	1977-10-31
1978	1978-05-02	1978-10-22
1979	1979-04-24	1979-10-22
1980	1980-04-23	1980-10-20
1981	1981-04-19	1981-10-18
1982	1982-03-18	1982-10-11
1983	1983-05-15	1983-10-22
1984	1984-04-28	1984-11-02
1985	1985-03-05	1985-11-27
1986	1986-04-08	1986-11-24
1987	1987-04-19	1987-09-23
1988	1988-04-26	1988-11-16
1989	1989-04-27	1989-10-16
1990	1990-04-23	1990-10-10
1991	1991-05-05	1991-10-15
1992	1992-04-25	1992-09-24
1993	1993-05-09	1993-10-20
1994	1994-05-08	1994-10-22
1995	1995-04-20	1995-10-28
1996	1996-04-21	1996-10-30
1998	1998-05-08	1998-10-19
1999	1999-04-10	1999-10-14
2001	2001-04-14	2001-10-25
2002	2002-04-21	2002-10-07
2003	2003-04-18	2003-09-15
2004	2004-05-21	2004-10-31
2005	2005-05-13	2005-11-07
2006	2006-04-04	2006-10-18
2008	2008-05-10	2008-10-07

Every Fixed Threshold

Fixed thresholds at Reserve
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	89	196	1913	125
35 C (95 F): Days	86	106	1915	7
40 C (104 F): Days	6	26	1918	26
90 F (32.2 C): Days	89	156	1911	67
100 F (37.8 C): Days	26	68	1918	1
110 F (43.3 C): Days	1	1	1911	1
0 C (32 F): Ice days (max	9	3	1962	1
0 C (32 F): Frost days (min	90	38	1978	10
-10 C (14 F): Days with min	6	3	1983	3
20 C (68 F): Tropical nights (min	90	154	1991	136
25 C (77 F): Days with min	69	38	1953	12
10 mm (0.39 in): Days with 10 mm or more rain	99	71	1991	44
25 mm (0.98 in): Days with 25 mm or more rain	99	34	1919	22
50 mm (1.97 in): Days with 50 mm or more rain	98	15	1914	3
100 mm (3.94 in): Days with 100 mm or more rain	57	4	1915	2
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1953	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Reserve 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).

Reserve Threshold Days by Year (USC00167767)

Key Facts for Reserve Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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