Vernon Threshold Days by Year (USC00438600)

19 fixed thresholds counted per year at Vernon (USC00438600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vernon Thresholds

Vernon: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1945 with 53.
Vernon: days with 25 mm (0.98 in) or more of precipitation in 88 years, most in 1975 with 20.
Vernon: days with a maximum temperature at or above 30 C (86 F) in 80 years, most in 1920 with 71.
Vernon: days with a maximum temperature at or above 90 F (32.2 C) in 80 years, most in 1920 with 53.
19 fixed thresholds have at least one qualifying day at Vernon.

Days at or above 30 C (86 F)

80 years with a qualifying day

Days per year at Vernon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 1920.

Days at or above 30 C (86 F) per year at Vernon
Year	Days	Decade average
1912	25	22.6
1913	26	22.6
1914	26	22.6
1915	19	22.6
1916	21	22.6
1917	16	22.6
1918	28	22.6
1919	20	22.6
1920	71	26.6
1922	14	26.6
1923	11	26.6
1925	7	26.6
1926	8	26.6
1927	27	26.6
1928	29	26.6
1929	46	26.6
1930	44	38
1932	44	38
1933	37	38
1934	36	38
1935	40	38
1936	42	38
1937	35	38
1938	28	38
1939	36	38
1940	30	32.9
1941	33	32.9
1942	31	32.9
1943	32	32.9
1944	40	32.9
1945	29	32.9
1946	26	32.9
1947	42	32.9
1951	23	32.7
1952	42	32.7
1953	45	32.7
1954	18	32.7
1955	45	32.7
1956	22	32.7
1957	32	32.7
1958	19	32.7
1959	48	32.7
1960	15	23.2
1961	32	23.2
1962	18	23.2
1963	23	23.2
1964	21	23.2
1965	30	23.2
1966	30	23.2
1967	18	23.2
1968	24	23.2
1969	21	23.2
1970	37	30.8
1971	26	30.8
1972	18	30.8
1973	40	30.8
1974	30	30.8
1975	38	30.8
1976	25	30.8
1977	31	30.8
1978	32	30.8
1979	31	30.8
1980	41	34.8
1981	29	34.8
1982	23	34.8
1983	52	34.8
1984	34	34.8
1985	27	34.8
1986	28	34.8
1987	36	34.8
1988	48	34.8
1989	30	34.8
1990	41	35.9
1991	50	35.9
1992	26	35.9
1993	34	35.9
1994	22	35.9
1995	47	35.9
1996	36	35.9
1997	31	35.9

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

First to last qualifying date each year at Vernon
Year	First date	Last date
1912	1912-05-24	1912-08-22
1913	1913-06-16	1913-10-08
1914	1914-05-08	1914-09-23
1915	1915-04-25	1915-09-18
1916	1916-07-06	1916-09-14
1917	1917-06-22	1917-08-14
1918	1918-05-07	1918-08-25
1919	1919-06-02	1919-09-08
1920	1920-05-26	1920-09-01
1922	1922-06-08	1922-09-21
1923	1923-06-04	1923-08-04
1925	1925-06-04	1925-07-08
1926	1926-07-10	1926-08-14
1927	1927-06-11	1927-10-03
1928	1928-06-30	1928-08-31
1929	1929-04-08	1929-09-11
1930	1930-05-01	1930-10-13
1932	1932-05-16	1932-09-03
1933	1933-05-19	1933-08-28
1934	1934-05-06	1934-08-19
1935	1935-04-27	1935-08-27
1936	1936-05-01	1936-09-11
1937	1937-05-31	1937-09-05
1938	1938-04-21	1938-10-18
1939	1939-05-08	1939-10-11
1940	1940-06-04	1940-08-18
1941	1941-04-16	1941-10-06
1942	1942-05-04	1942-09-19
1943	1943-06-03	1943-09-08
1944	1944-05-05	1944-09-03
1945	1945-04-14	1945-09-09
1946	1946-05-26	1946-09-21
1947	1947-05-14	1947-10-17
1951	1951-05-16	1951-09-01
1952	1952-06-09	1952-09-14
1953	1953-05-11	1953-09-06
1954	1954-04-22	1954-10-13
1955	1955-05-05	1955-08-23
1956	1956-05-14	1956-09-06
1957	1957-04-28	1957-09-17
1958	1958-07-01	1958-09-27
1959	1959-05-21	1959-09-25
1960	1960-06-28	1960-09-10
1961	1961-05-15	1961-09-25
1962	1962-04-28	1962-08-02
1963	1963-06-25	1963-10-08
1964	1964-05-10	1964-09-12
1965	1965-05-10	1965-09-23
1966	1966-06-05	1966-09-03
1967	1967-06-03	1967-07-28
1968	1968-06-07	1968-08-26
1969	1969-05-18	1969-09-02
1970	1970-05-11	1970-09-26
1971	1971-05-19	1971-10-03
1972	1972-05-29	1972-08-26
1973	1973-04-23	1973-09-05
1974	1974-05-23	1974-09-14
1975	1975-05-20	1975-08-28
1976	1976-04-18	1976-09-15
1977	1977-05-07	1977-09-03
1978	1978-05-21	1978-09-22
1979	1979-05-10	1979-09-04
1980	1980-05-23	1980-09-23
1981	1981-05-26	1981-08-12
1982	1982-07-07	1982-09-13
1983	1983-06-13	1983-09-21
1984	1984-06-06	1984-09-25
1985	1985-05-12	1985-09-22
1986	1986-04-30	1986-10-01
1987	1987-05-30	1987-08-26
1988	1988-05-24	1988-08-16
1989	1989-05-19	1989-09-11
1990	1990-04-28	1990-09-03
1991	1991-04-08	1991-09-18
1992	1992-05-21	1992-09-18
1993	1993-05-10	1993-09-03
1994	1994-05-22	1994-08-03
1995	1995-05-25	1995-09-08
1996	1996-05-21	1996-09-07
1997	1997-06-10	1997-10-07

Every Fixed Threshold

Fixed thresholds at Vernon
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	80	71	1920	31
35 C (95 F): Days	61	20	1920	1
40 C (104 F): Days	1	2	1912	2
90 F (32.2 C): Days	80	53	1920	17
100 F (37.8 C): Days	7	2	1912	1
0 C (32 F): Ice days (max	80	68	1916	21
0 C (32 F): Frost days (min	75	200	1956	163
-10 C (14 F): Days with min	75	76	1968	47
-20 C (-4 F): Days with min	71	29	1961	6
-30 C (-22 F): Days with min	15	6	1961	4
20 C (68 F): Tropical nights (min	69	24	1920	1
25 C (77 F): Days with min	1	1	1925	1
10 mm (0.39 in): Days with 10 mm or more rain	88	53	1945	40
25 mm (0.98 in): Days with 25 mm or more rain	88	20	1975	12
50 mm (1.97 in): Days with 50 mm or more rain	72	6	1897	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1937	1
10 cm (3.9 in): Days with 10 cm or more snowfall	49	11	1961	7
25 cm (9.8 in): Days with 25 cm or more snowfall	27	3	1978	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1969	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

Data for Vernon 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).

Vernon Threshold Days by Year (USC00438600)

Key Facts for Vernon Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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