Eugene Threshold Days by Year (USC00352706)

15 fixed thresholds counted per year at Eugene (USC00352706): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Eugene Thresholds

Eugene: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1937 with 48.
Eugene: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1907 with 13.
Eugene: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1938 with 39.
Eugene: days with a maximum temperature at or above 90 F (32.2 C) in 45 years, most in 1939 with 21.
15 fixed thresholds have at least one qualifying day at Eugene.

Days at or above 30 C (86 F)

45 years with a qualifying day

Days per year at Eugene with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 39 in 1938.

Days at or above 30 C (86 F) per year at Eugene
Year	Days	Decade average
1895	17	19
1896	21	19
1901	12	13.4
1902	14	13.4
1903	5	13.4
1905	16	13.4
1906	21	13.4
1907	9	13.4
1908	18	13.4
1909	12	13.4
1910	18	21.7
1911	19	21.7
1912	11	21.7
1913	22	21.7
1914	25	21.7
1915	21	21.7
1916	9	21.7
1917	34	21.7
1918	33	21.7
1919	25	21.7
1920	20	23.5
1921	11	23.5
1922	28	23.5
1923	22	23.5
1924	24	23.5
1925	25	23.5
1926	33	23.5
1927	25	23.5
1928	23	23.5
1929	24	23.5
1930	15	26
1931	37	26
1932	27	26
1933	28	26
1934	23	26
1935	29	26
1936	15	26
1937	19	26
1938	39	26
1939	28	26
1940	28	25.8
1941	22	25.8
1942	31	25.8
1943	20	25.8
1944	28	25.8

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

First to last qualifying date each year at Eugene
Year	First date	Last date
1895	1895-05-15	1895-08-14
1896	1896-06-25	1896-09-05
1901	1901-07-22	1901-08-22
1902	1902-06-20	1902-09-11
1903	1903-06-06	1903-08-17
1905	1905-07-07	1905-08-19
1906	1906-04-20	1906-08-29
1907	1907-06-25	1907-09-09
1908	1908-06-30	1908-08-19
1909	1909-06-10	1909-09-07
1910	1910-04-24	1910-08-24
1911	1911-07-05	1911-08-27
1912	1912-05-12	1912-08-20
1913	1913-06-01	1913-09-15
1914	1914-05-21	1914-08-15
1915	1915-06-06	1915-09-04
1916	1916-06-13	1916-08-30
1917	1917-06-13	1917-09-16
1918	1918-06-04	1918-09-27
1919	1919-07-04	1919-09-14
1920	1920-07-02	1920-09-01
1921	1921-07-06	1921-08-11
1922	1922-05-16	1922-09-12
1923	1923-05-08	1923-09-07
1924	1924-05-31	1924-09-12
1925	1925-06-20	1925-09-23
1926	1926-04-14	1926-09-04
1927	1927-05-14	1927-08-18
1928	1928-05-20	1928-09-22
1929	1929-06-24	1929-09-16
1930	1930-06-15	1930-09-03
1931	1931-05-05	1931-09-04
1932	1932-06-09	1932-10-03
1933	1933-06-12	1933-08-26
1934	1934-04-20	1934-10-10
1935	1935-06-04	1935-09-28
1936	1936-07-19	1936-09-27
1937	1937-06-01	1937-09-15
1938	1938-05-23	1938-09-17
1939	1939-05-13	1939-09-22
1940	1940-05-22	1940-10-19
1941	1941-05-22	1941-08-19
1942	1942-06-30	1942-09-25
1943	1943-06-30	1943-09-25
1944	1944-06-11	1944-09-12

Every Fixed Threshold

Fixed thresholds at Eugene
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	45	39	1938	28
35 C (95 F): Days	37	8	1939	4
40 C (104 F): Days	2	1	1926	1
90 F (32.2 C): Days	45	21	1939	19
100 F (37.8 C): Days	7	3	1928	2
0 C (32 F): Ice days (max	32	16	1930	1
0 C (32 F): Frost days (min	45	81	1935	78
-10 C (14 F): Days with min	15	11	1924	1
-20 C (-4 F): Days with min	1	1	1924	1
20 C (68 F): Tropical nights (min	1	1	1913	1
10 mm (0.39 in): Days with 10 mm or more rain	47	48	1937	18
25 mm (0.98 in): Days with 25 mm or more rain	46	13	1907	9
50 mm (1.97 in): Days with 50 mm or more rain	22	2	1896	2
10 cm (3.9 in): Days with 10 cm or more snowfall	14	3	1916	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	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 1895.

Download the Data

Data for Eugene 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).

Eugene Threshold Days by Year (USC00352706)

Key Facts for Eugene Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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