Humboldt 3 W Threshold Days by Year (USC00133985)

20 fixed thresholds counted per year at Humboldt 3 W (USC00133985): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Humboldt 3 W Thresholds

Humboldt 3 W: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 1936 with 83.
Humboldt 3 W: days with a maximum temperature at or above 90 F (32.2 C) in 78 years, most in 1936 with 61.
Humboldt 3 W: days with a maximum temperature at or below 0 C (32 F) in 78 years, most in 1978 with 95.
Humboldt 3 W: nights with a minimum temperature at or below 0 C (32 F) in 78 years, most in 1926 with 176.
20 fixed thresholds have at least one qualifying day at Humboldt 3 W.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Humboldt 3 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 83 in 1936.

Days at or above 30 C (86 F) per year at Humboldt 3 W
Year	Days	Decade average
1896	54	54.5
1897	73	54.5
1898	46	54.5
1899	45	54.5
1900	60	31.6
1901	66	31.6
1902	24	31.6
1903	24	31.6
1904	15	31.6
1905	17	31.6
1906	18	31.6
1907	25	31.6
1908	27	31.6
1909	40	31.6
1910	50	51
1911	70	51
1913	66	51
1915	10	51
1916	59	51
1917	38	51
1919	64	51
1920	42	49.1
1922	63	49.1
1923	48	49.1
1924	28	49.1
1925	62	49.1
1926	57	49.1
1927	57	49.1
1928	40	49.1
1929	45	49.1
1930	58	62.6
1931	77	62.6
1932	46	62.6
1933	64	62.6
1934	65	62.6
1935	42	62.6
1936	83	62.6
1937	66	62.6
1938	62	62.6
1957	40	46.7
1958	40	46.7
1959	60	46.7
1960	46	39.1
1961	46	39.1
1962	36	39.1
1963	54	39.1
1964	48	39.1
1965	33	39.1
1966	39	39.1
1967	25	39.1
1968	34	39.1
1969	30	39.1
1970	55	44.1
1971	41	44.1
1972	36	44.1
1973	43	44.1
1974	34	44.1
1975	55	44.1
1976	61	44.1
1977	38	44.1
1978	41	44.1
1979	37	44.1
1980	52	39.4
1981	26	39.4
1982	23	39.4
1984	44	39.4
1985	43	39.4
1986	30	39.4
1987	50	39.4
1988	63	39.4
1989	24	39.4
1990	39	26
1991	42	26
1992	16	26
1993	16	26
1994	22	26
1995	31	26
1996	16	26

For each year, a bar from the first to the last day at Humboldt 3 W meeting 30 C (86 F).

First to last qualifying date each year at Humboldt 3 W
Year	First date	Last date
1896	1896-04-15	1896-08-15
1897	1897-05-05	1897-10-15
1898	1898-05-23	1898-09-29
1899	1899-05-26	1899-10-22
1900	1900-05-11	1900-09-10
1901	1901-04-29	1901-09-06
1902	1902-04-21	1902-08-18
1903	1903-05-23	1903-09-21
1904	1904-05-22	1904-09-28
1905	1905-06-13	1905-08-29
1906	1906-06-06	1906-09-09
1907	1907-05-12	1907-09-18
1908	1908-05-20	1908-09-26
1909	1909-05-05	1909-09-10
1910	1910-04-27	1910-10-16
1911	1911-05-09	1911-09-17
1913	1913-04-30	1913-09-07
1915	1915-05-11	1915-08-16
1916	1916-05-05	1916-09-06
1917	1917-05-17	1917-09-16
1919	1919-05-28	1919-10-02
1920	1920-05-22	1920-09-25
1922	1922-05-03	1922-10-05
1923	1923-06-01	1923-09-26
1924	1924-04-24	1924-08-30
1925	1925-04-22	1925-09-20
1926	1926-04-29	1926-09-21
1927	1927-04-26	1927-10-27
1928	1928-05-02	1928-10-11
1929	1929-04-04	1929-09-27
1930	1930-04-10	1930-10-10
1931	1931-04-08	1931-09-19
1932	1932-05-13	1932-09-18
1933	1933-05-18	1933-09-25
1934	1934-04-30	1934-09-13
1935	1935-06-12	1935-09-24
1936	1936-05-05	1936-09-22
1937	1937-06-19	1937-10-29
1938	1938-06-14	1938-10-09
1957	1957-06-04	1957-09-01
1958	1958-05-11	1958-10-15
1959	1959-05-01	1959-09-08
1960	1960-04-22	1960-10-11
1961	1961-05-12	1961-09-10
1962	1962-05-04	1962-09-12
1963	1963-05-08	1963-10-07
1964	1964-04-17	1964-09-10
1965	1965-05-01	1965-08-26
1966	1966-05-04	1966-09-10
1967	1967-04-16	1967-10-03
1968	1968-04-11	1968-08-23
1969	1969-05-27	1969-10-04
1970	1970-04-27	1970-09-20
1971	1971-05-14	1971-09-30
1972	1972-05-16	1972-09-19
1973	1973-05-18	1973-08-30
1974	1974-05-28	1974-09-26
1975	1975-05-18	1975-10-13
1976	1976-05-19	1976-10-03
1977	1977-04-27	1977-09-06
1978	1978-05-19	1978-09-11
1979	1979-05-17	1979-09-10
1980	1980-04-20	1980-09-19
1981	1981-04-27	1981-09-29
1982	1982-05-04	1982-09-11
1984	1984-06-01	1984-09-19
1985	1985-04-17	1985-09-19
1986	1986-03-29	1986-09-26
1987	1987-04-19	1987-09-26
1988	1988-05-12	1988-09-17
1989	1989-05-23	1989-08-31
1990	1990-04-23	1990-10-05
1991	1991-04-05	1991-09-13
1992	1992-04-30	1992-10-02
1993	1993-05-27	1993-10-07
1994	1994-04-24	1994-09-14
1995	1995-06-06	1995-10-12
1996	1996-05-17	1996-08-06

Every Fixed Threshold

Fixed thresholds at Humboldt 3 W
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	83	1936	16
35 C (95 F): Days	63	36	1936	2
40 C (104 F): Days	7	16	1936	1
90 F (32.2 C): Days	78	61	1936	10
100 F (37.8 C): Days	26	23	1936	1
110 F (43.3 C): Days	2	3	1936	3
0 C (32 F): Ice days (max	78	95	1978	83
0 C (32 F): Frost days (min	78	176	1926	171
-10 C (14 F): Days with min	78	93	1978	72
-20 C (-4 F): Days with min	78	39	1978	22
-30 C (-22 F): Days with min	44	6	1924	2
20 C (68 F): Tropical nights (min	78	30	1937	7
25 C (77 F): Days with min	12	3	1911	1
10 mm (0.39 in): Days with 10 mm or more rain	77	41	1909	23
25 mm (0.98 in): Days with 25 mm or more rain	77	13	1908	6
50 mm (1.97 in): Days with 50 mm or more rain	60	5	1909	1
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1902	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1964	1
10 cm (3.9 in): Days with 10 cm or more snowfall	46	7	1959	1
25 cm (9.8 in): Days with 25 cm or more snowfall	8	1	1920	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

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Data for Humboldt 3 W 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).

Humboldt 3 W Threshold Days by Year (USC00133985)

Key Facts for Humboldt 3 W Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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