Blythe Threshold Days by Year (USC00040924)

16 fixed thresholds counted per year at Blythe (USC00040924): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blythe Thresholds

Blythe: days with a maximum temperature at or above 30 C (86 F) in 84 years, most in 1950 with 241.
Blythe: days with a maximum temperature at or above 35 C (95 F) in 84 years, most in 1934 with 181.
Blythe: days with a maximum temperature at or above 40 C (104 F) in 84 years, most in 2001 with 116.
Blythe: days with a maximum temperature at or above 90 F (32.2 C) in 84 years, most in 1934 with 216.
16 fixed thresholds have at least one qualifying day at Blythe.

Days at or above 30 C (86 F)

84 years with a qualifying day

Days per year at Blythe with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 241 in 1950.

Days at or above 30 C (86 F) per year at Blythe
Year	Days	Decade average
1913	203	200.6
1914	217	200.6
1915	204	200.6
1916	192	200.6
1917	190	200.6
1918	197	200.6
1919	201	200.6
1920	187	193.5
1921	204	193.5
1922	170	193.5
1923	185	193.5
1924	193	193.5
1925	190	193.5
1926	204	193.5
1927	194	193.5
1928	208	193.5
1929	200	193.5
1930	211	206.9
1931	219	206.9
1932	198	206.9
1933	197	206.9
1934	235	206.9
1935	191	206.9
1936	212	206.9
1937	204	206.9
1938	194	206.9
1939	208	206.9
1940	208	196.9
1941	174	196.9
1942	200	196.9
1943	208	196.9
1944	201	196.9
1945	173	196.9
1946	188	196.9
1947	211	196.9
1948	190	196.9
1949	216	196.9
1950	241	209.2
1951	201	209.2
1952	211	209.2
1953	207	209.2
1954	220	209.2
1955	205	209.2
1956	209	209.2
1957	185	209.2
1958	199	209.2
1959	214	209.2
1960	191	193.9
1961	185	193.9
1962	202	193.9
1963	204	193.9
1964	190	193.9
1965	195	193.9
1966	209	193.9
1967	196	193.9
1968	173	193.9
1969	194	193.9
1970	186	189.3
1971	186	189.3
1972	211	189.3
1973	189	189.3
1975	177	189.3
1977	186	189.3
1979	190	189.3
1982	150	189.6
1983	182	189.6
1984	184	189.6
1985	182	189.6
1986	198	189.6
1987	197	189.6
1988	204	189.6
1989	220	189.6
1990	210	196.9
1991	182	196.9
1992	200	196.9
1993	221	196.9
1994	193	196.9
1995	198	196.9
1996	197	196.9
1997	187	196.9
1998	184	196.9
2001	209	196
2002	194	196
2003	185	196

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

First to last qualifying date each year at Blythe
Year	First date	Last date
1913	1913-03-06	1913-11-11
1914	1914-03-01	1914-11-08
1915	1915-03-15	1915-11-21
1916	1916-01-22	1916-11-05
1917	1917-03-25	1917-11-24
1918	1918-01-04	1918-11-04
1919	1919-03-18	1919-11-09
1920	1920-03-13	1920-10-29
1921	1921-02-12	1921-11-07
1922	1922-02-11	1922-10-25
1923	1923-03-17	1923-10-22
1924	1924-04-10	1924-11-22
1925	1925-03-03	1925-10-31
1926	1926-03-02	1926-11-07
1927	1927-03-23	1927-11-20
1928	1928-03-11	1928-11-11
1929	1929-03-05	1929-11-06
1930	1930-02-08	1930-11-10
1931	1931-01-29	1931-11-06
1932	1932-02-26	1932-11-19
1933	1933-03-07	1933-11-25
1934	1934-03-02	1934-11-15
1935	1935-02-20	1935-10-28
1936	1936-03-01	1936-11-18
1937	1937-03-07	1937-11-05
1938	1938-03-20	1938-10-30
1939	1939-03-15	1939-11-07
1940	1940-02-28	1940-11-02
1941	1941-04-23	1941-11-10
1942	1942-03-28	1942-11-14
1943	1943-02-14	1943-11-19
1944	1944-03-09	1944-11-03
1945	1945-03-11	1945-11-04
1946	1946-04-10	1946-10-26
1947	1947-02-14	1947-12-28
1948	1948-02-18	1948-11-03
1949	1949-03-14	1949-12-01
1950	1950-02-16	1950-12-12
1951	1951-02-09	1951-11-09
1952	1952-03-26	1952-11-06
1953	1953-02-06	1953-11-25
1954	1954-02-22	1954-11-26
1955	1955-02-15	1955-11-10
1956	1956-03-02	1956-11-11
1957	1957-02-13	1957-10-27
1958	1958-04-10	1958-11-09
1959	1959-03-02	1959-11-24
1960	1960-03-06	1960-11-01
1961	1961-03-14	1961-10-26
1962	1962-03-26	1962-11-12
1963	1963-02-02	1963-10-29
1964	1964-03-18	1964-10-29
1965	1965-02-27	1965-11-07
1966	1966-03-10	1966-11-03
1967	1967-03-01	1967-11-15
1968	1968-02-24	1968-11-03
1969	1969-03-18	1969-11-01
1970	1970-03-23	1970-11-01
1971	1971-01-18	1971-10-22
1972	1972-02-27	1972-10-16
1973	1973-04-06	1973-11-12
1975	1975-02-28	1975-11-06
1977	1977-02-17	1977-11-04
1979	1979-03-08	1979-10-28
1982	1982-02-22	1982-10-24
1983	1983-04-02	1983-11-07
1984	1984-03-12	1984-10-14
1985	1985-03-24	1985-10-30
1986	1986-02-24	1986-10-30
1987	1987-03-04	1987-10-28
1988	1988-03-06	1988-11-07
1989	1989-02-23	1989-11-19
1990	1990-02-27	1990-11-14
1991	1991-04-03	1991-11-08
1992	1992-03-13	1992-11-02
1993	1993-03-08	1993-11-02
1994	1994-03-03	1994-11-01
1995	1995-02-06	1995-11-17
1996	1996-02-17	1996-11-11
1997	1997-03-08	1997-11-10
1998	1998-03-22	1998-10-24
2001	2001-03-19	2001-11-13
2002	2002-03-12	2002-11-01
2003	2003-03-10	2003-10-29

Every Fixed Threshold

Fixed thresholds at Blythe
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	84	241	1950	185
35 C (95 F): Days	84	181	1934	155
40 C (104 F): Days	84	116	2001	96
45 C (113 F): Days	83	27	1920	13
50 C (122 F): Days	5	1	1920	1
90 F (32.2 C): Days	84	216	1934	168
100 F (37.8 C): Days	84	145	1952	128
110 F (43.3 C): Days	84	55	1920	35
120 F (48.9 C): Days	16	5	1920	1
0 C (32 F): Frost days (min	81	68	1915	5
-10 C (14 F): Days with min	1	3	1913	3
20 C (68 F): Tropical nights (min	82	119	1984	111
25 C (77 F): Days with min	82	64	2003	64
10 mm (0.39 in): Days with 10 mm or more rain	73	7	1935	2
25 mm (0.98 in): Days with 25 mm or more rain	32	2	1932	1
50 mm (1.97 in): Days with 50 mm or more rain	6	1	1937	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 Blythe 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).

Blythe Threshold Days by Year (USC00040924)

Key Facts for Blythe Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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