Graham Threshold Days by Year (USC00413668)

19 fixed thresholds counted per year at Graham (USC00413668): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Graham Thresholds

Graham: days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 1957 with 37.
Graham: days with 25 mm (0.98 in) or more of precipitation in 90 years, most in 1957 with 18.
Graham: days with a maximum temperature at or above 30 C (86 F) in 86 years, most in 1934 with 178.
Graham: days with a maximum temperature at or above 35 C (95 F) in 86 years, most in 2011 with 120.
19 fixed thresholds have at least one qualifying day at Graham.

Days at or above 30 C (86 F)

86 years with a qualifying day

Days per year at Graham with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 178 in 1934.

Days at or above 30 C (86 F) per year at Graham
Year	Days	Decade average
1905	146	126.7
1906	108	126.7
1908	126	126.7
1910	175	176
1911	177	176
1928	134	134
1930	144	151.5
1931	143	151.5
1932	120	151.5
1933	161	151.5
1934	178	151.5
1935	135	151.5
1936	155	151.5
1937	158	151.5
1938	151	151.5
1939	170	151.5
1940	138	128.3
1941	122	128.3
1942	115	128.3
1943	143	128.3
1944	109	128.3
1945	120	128.3
1946	111	128.3
1947	151	128.3
1948	152	128.3
1949	122	128.3
1950	134	145.6
1951	155	145.6
1952	155	145.6
1953	146	145.6
1954	156	145.6
1955	164	145.6
1956	169	145.6
1957	109	145.6
1958	122	145.6
1959	146	145.6
1960	142	138.7
1961	135	138.7
1962	153	138.7
1963	172	138.7
1964	142	138.7
1965	131	138.7
1966	120	138.7
1967	141	138.7
1968	129	138.7
1969	122	138.7
1970	130	133.8
1971	142	133.8
1972	157	133.8
1973	126	133.8
1974	129	133.8
1975	129	133.8
1976	124	133.8
1977	136	133.8
1979	131	133.8
1980	145	134.1
1981	129	134.1
1982	131	134.1
1983	128	134.1
1984	141	134.1
1985	126	134.1
1986	140	134.1
1987	118	134.1
1988	138	134.1
1989	145	134.1
1990	119	134.1
1991	132	134.1
1992	129	134.1
1993	137	134.1
1994	132	134.1
1995	131	134.1
1996	143	134.1
1997	127	134.1
1998	152	134.1
1999	139	134.1
2000	141	126.5
2001	130	126.5
2002	122	126.5
2003	125	126.5
2004	108	126.5
2008	133	126.5
2010	142	156.8
2011	165	156.8
2012	162	156.8
2013	153	156.8
2014	162	156.8

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

First to last qualifying date each year at Graham
Year	First date	Last date
1905	1905-03-27	1905-11-27
1906	1906-04-10	1906-11-11
1908	1908-02-29	1908-11-19
1910	1910-01-01	1910-11-26
1911	1911-01-14	1911-11-21
1928	1928-03-24	1928-10-20
1930	1930-02-21	1930-10-08
1931	1931-05-16	1931-11-15
1932	1932-02-07	1932-10-23
1933	1933-03-13	1933-10-26
1934	1934-03-06	1934-11-10
1935	1935-03-19	1935-10-28
1936	1936-02-24	1936-10-20
1937	1937-02-07	1937-10-30
1938	1938-03-17	1938-11-19
1939	1939-03-19	1939-10-25
1940	1940-03-17	1940-10-24
1941	1941-04-17	1941-10-22
1942	1942-03-07	1942-10-14
1943	1943-01-23	1943-10-31
1944	1944-04-08	1944-10-31
1945	1945-05-06	1945-11-06
1946	1946-03-29	1946-10-17
1947	1947-04-19	1947-10-31
1948	1948-03-25	1948-11-04
1949	1949-04-08	1949-11-28
1950	1950-01-26	1950-12-01
1951	1951-02-12	1951-11-13
1952	1952-01-01	1952-11-02
1953	1953-01-27	1953-10-17
1954	1954-02-15	1954-12-05
1955	1955-03-05	1955-12-25
1956	1956-02-24	1956-10-30
1957	1957-04-18	1957-10-06
1958	1958-04-05	1958-10-25
1959	1959-02-18	1959-10-26
1960	1960-04-01	1960-11-16
1961	1961-03-06	1961-10-23
1962	1962-02-09	1962-11-11
1963	1963-02-02	1963-11-08
1964	1964-04-03	1964-11-14
1965	1965-04-04	1965-11-26
1966	1966-03-21	1966-10-14
1967	1967-03-04	1967-10-14
1968	1968-04-18	1968-11-02
1969	1969-01-09	1969-10-04
1970	1970-04-09	1970-10-27
1971	1971-02-17	1971-10-17
1972	1972-02-29	1972-10-19
1973	1973-04-21	1973-10-11
1974	1974-03-02	1974-10-11
1975	1975-01-28	1975-11-09
1976	1976-02-10	1976-10-12
1977	1977-05-09	1977-11-21
1979	1979-02-15	1979-10-28
1980	1980-02-29	1980-11-09
1981	1981-02-21	1981-10-16
1982	1982-02-23	1982-11-01
1983	1983-02-20	1983-10-25
1984	1984-03-16	1984-10-19
1985	1985-03-12	1985-10-25
1986	1986-02-20	1986-10-04
1987	1987-04-12	1987-10-10
1988	1988-03-11	1988-11-10
1989	1989-03-12	1989-11-14
1990	1990-02-09	1990-10-18
1991	1991-03-05	1991-10-24
1992	1992-04-07	1992-10-31
1993	1993-03-08	1993-10-16
1994	1994-03-06	1994-11-03
1995	1995-03-19	1995-12-14
1996	1996-02-10	1996-10-20
1997	1997-03-21	1997-10-19
1998	1998-03-28	1998-10-15
1999	1999-04-08	1999-10-26
2000	2000-02-15	2000-10-05
2001	2001-04-08	2001-10-24
2002	2002-03-13	2002-10-06
2003	2003-03-27	2003-11-04
2004	2004-03-17	2004-10-21
2008	2008-03-15	2008-10-09
2010	2010-03-31	2010-12-21
2011	2011-02-28	2011-10-26
2012	2012-03-02	2012-12-04
2013	2013-03-05	2013-11-19
2014	2014-03-12	2014-10-29

Every Fixed Threshold

Fixed thresholds at Graham
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	86	178	1934	162
35 C (95 F): Days	86	120	2011	89
40 C (104 F): Days	73	57	2011	5
45 C (113 F): Days	2	4	1936	4
90 F (32.2 C): Days	86	158	1934	136
100 F (37.8 C): Days	86	92	2011	35
110 F (43.3 C): Days	18	7	1910	6
0 C (32 F): Ice days (max	74	12	1989	9
0 C (32 F): Frost days (min	86	101	2013	89
-10 C (14 F): Days with min	68	15	1963	14
-20 C (-4 F): Days with min	2	2	1947	2
20 C (68 F): Tropical nights (min	86	112	1954	87
25 C (77 F): Days with min	73	64	2011	14
10 mm (0.39 in): Days with 10 mm or more rain	90	37	1957	18
25 mm (0.98 in): Days with 25 mm or more rain	90	18	1957	7
50 mm (1.97 in): Days with 50 mm or more rain	76	8	1990	1
100 mm (3.94 in): Days with 100 mm or more rain	9	2	1990	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1981	1
10 cm (3.9 in): Days with 10 cm or more snowfall	13	2	1936	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 Graham 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).

Graham Threshold Days by Year (USC00413668)

Key Facts for Graham Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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