Chiloquin 1 E Threshold Days by Year (USC00351571)

14 fixed thresholds counted per year at Chiloquin 1 E (USC00351571): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chiloquin 1 E Thresholds

Chiloquin 1 E: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1937 with 22.
Chiloquin 1 E: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1916 with 272.
Chiloquin 1 E: nights with a minimum temperature at or below -10 C (14 F) in 47 years, most in 1959 with 73.
Chiloquin 1 E: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 1955 with 50.
14 fixed thresholds have at least one qualifying day at Chiloquin 1 E.

Days at or above 30 C (86 F)

46 years with a qualifying day

Days per year at Chiloquin 1 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 50 in 1955.

Days at or above 30 C (86 F) per year at Chiloquin 1 E
Year	Days	Decade average
1914	22	28.7
1915	29	28.7
1916	14	28.7
1917	37	28.7
1918	36	28.7
1919	34	28.7
1920	30	24.2
1921	13	24.2
1922	35	24.2
1923	32	24.2
1924	26	24.2
1925	25	24.2
1926	28	24.2
1927	10	24.2
1928	17	24.2
1929	26	24.2
1930	26	33.2
1931	47	33.2
1932	30	33.2
1933	35	33.2
1935	36	33.2
1936	41	33.2
1937	18	33.2
1938	27	33.2
1939	39	33.2
1942	45	40
1943	43	40
1944	38	40
1945	48	40
1946	37	40
1947	29	40
1953	37	36.5
1954	32	36.5
1955	50	36.5
1957	24	36.5
1958	41	36.5
1959	35	36.5
1960	44	28.3
1961	48	28.3
1962	24	28.3
1963	20	28.3
1964	21	28.3
1965	13	28.3
1970	42	30.7
1971	34	30.7
1975	16	30.7

For each year, a bar from the first to the last day at Chiloquin 1 E meeting 30 C (86 F).

First to last qualifying date each year at Chiloquin 1 E
Year	First date	Last date
1914	1914-05-30	1914-08-14
1915	1915-06-30	1915-08-29
1916	1916-06-14	1916-09-21
1917	1917-06-15	1917-09-20
1918	1918-06-08	1918-09-27
1919	1919-05-21	1919-09-24
1920	1920-06-20	1920-09-03
1921	1921-06-22	1921-08-11
1922	1922-06-19	1922-09-19
1923	1923-06-28	1923-09-14
1924	1924-05-10	1924-09-13
1925	1925-06-19	1925-08-08
1926	1926-06-03	1926-08-24
1927	1927-07-18	1927-09-17
1928	1928-06-23	1928-09-22
1929	1929-06-23	1929-09-18
1930	1930-06-09	1930-09-20
1931	1931-05-29	1931-09-04
1932	1932-06-21	1932-09-16
1933	1933-06-12	1933-10-05
1935	1935-06-05	1935-09-28
1936	1936-05-10	1936-09-24
1937	1937-07-09	1937-09-16
1938	1938-06-04	1938-09-17
1939	1939-06-28	1939-09-21
1942	1942-06-29	1942-10-05
1943	1943-05-24	1943-09-25
1944	1944-07-11	1944-09-27
1945	1945-05-02	1945-09-13
1946	1946-07-01	1946-09-24
1947	1947-04-14	1947-09-24
1953	1953-07-03	1953-09-20
1954	1954-05-17	1954-09-26
1955	1955-06-06	1955-09-07
1957	1957-06-24	1957-09-24
1958	1958-06-17	1958-10-06
1959	1959-05-13	1959-08-17
1960	1960-06-02	1960-09-19
1961	1961-06-15	1961-08-24
1962	1962-07-21	1962-09-18
1963	1963-06-15	1963-09-29
1964	1964-06-24	1964-09-24
1965	1965-07-06	1965-08-09
1970	1970-06-02	1970-08-31
1971	1971-07-15	1971-09-14
1975	1975-05-31	1975-09-09

Every Fixed Threshold

Fixed thresholds at Chiloquin 1 E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	46	50	1955	16
35 C (95 F): Days	30	9	1955	1
90 F (32.2 C): Days	45	29	1942	4
100 F (37.8 C): Days	5	2	1946	1
0 C (32 F): Ice days (max	46	39	1916	11
0 C (32 F): Frost days (min	47	272	1916	226
-10 C (14 F): Days with min	47	73	1959	42
-20 C (-4 F): Days with min	36	17	1932	4
-30 C (-22 F): Days with min	5	4	1937	2
10 mm (0.39 in): Days with 10 mm or more rain	55	22	1937	16
25 mm (0.98 in): Days with 25 mm or more rain	36	5	1937	3
50 mm (1.97 in): Days with 50 mm or more rain	5	2	1964	2
10 cm (3.9 in): Days with 10 cm or more snowfall	26	12	1916	1
25 cm (9.8 in): Days with 25 cm or more snowfall	8	1	1916	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

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Data for Chiloquin 1 E 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).

Chiloquin 1 E Threshold Days by Year (USC00351571)

Key Facts for Chiloquin 1 E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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