Cascade Locks Threshold Days by Year (USC00351407)

16 fixed thresholds counted per year at Cascade Locks (USC00351407): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cascade Locks Thresholds

Cascade Locks: nights with a minimum temperature at or below 0 C (32 F) in 72 years, most in 1922 with 82.
Cascade Locks: days with a maximum temperature at or above 30 C (86 F) in 69 years, most in 2015 with 46.
Cascade Locks: days with a maximum temperature at or above 90 F (32.2 C) in 69 years, most in 2018 with 27.
Cascade Locks: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1950 with 96.
16 fixed thresholds have at least one qualifying day at Cascade Locks.

Days at or above 30 C (86 F)

69 years with a qualifying day

Days per year at Cascade Locks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 2015.

Days at or above 30 C (86 F) per year at Cascade Locks
Year	Days	Decade average
1895	28	19.8
1896	19	19.8
1898	22	19.8
1899	10	19.8
1900	11	16.1
1901	21	16.1
1902	12	16.1
1903	10	16.1
1905	29	16.1
1906	31	16.1
1907	11	16.1
1909	4	16.1
1910	11	19.6
1911	19	19.6
1912	13	19.6
1913	15	19.6
1914	19	19.6
1915	13	19.6
1916	14	19.6
1917	29	19.6
1918	32	19.6
1919	31	19.6
1920	18	23.3
1921	7	23.3
1922	25	23.3
1923	22	23.3
1924	26	23.3
1925	32	23.3
1926	32	23.3
1927	25	23.3
1928	19	23.3
1929	27	23.3
1930	28	27.9
1931	36	27.9
1932	27	27.9
1933	22	27.9
1934	23	27.9
1935	36	27.9
1936	14	27.9
1937	22	27.9
1938	34	27.9
1939	37	27.9
1940	23	16.8
1941	20	16.8
1942	20	16.8
1943	9	16.8
1944	19	16.8
1945	27	16.8
1946	17	16.8
1947	7	16.8
1948	13	16.8
1949	13	16.8
1950	18	20.3
1951	20	20.3
1952	19	20.3
1953	24	20.3
2014	31	33.2
2015	46	33.2
2016	27	33.2
2017	39	33.2
2018	39	33.2
2019	17	33.2
2020	24	33.6
2021	37	33.6
2022	36	33.6
2023	41	33.6
2024	33	33.6
2025	37	33.6
2026	27	33.6

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

First to last qualifying date each year at Cascade Locks
Year	First date	Last date
1895	1895-05-12	1895-08-28
1896	1896-06-25	1896-09-05
1898	1898-05-25	1898-09-09
1899	1899-07-01	1899-09-24
1900	1900-06-12	1900-09-12
1901	1901-05-25	1901-09-18
1902	1902-05-26	1902-09-02
1903	1903-06-06	1903-08-18
1905	1905-06-11	1905-08-20
1906	1906-05-08	1906-08-29
1907	1907-05-30	1907-09-09
1909	1909-08-18	1909-09-15
1910	1910-04-23	1910-08-19
1911	1911-06-10	1911-08-27
1912	1912-05-13	1912-08-22
1913	1913-06-01	1913-08-27
1914	1914-05-31	1914-09-01
1915	1915-06-29	1915-08-29
1916	1916-06-13	1916-09-21
1917	1917-06-13	1917-09-16
1918	1918-06-04	1918-09-28
1919	1919-07-08	1919-08-30
1920	1920-05-07	1920-09-01
1921	1921-07-07	1921-08-08
1922	1922-05-15	1922-09-18
1923	1923-05-07	1923-09-11
1924	1924-05-12	1924-09-12
1925	1925-05-15	1925-09-23
1926	1926-04-27	1926-09-04
1927	1927-05-13	1927-08-18
1928	1928-05-20	1928-09-22
1929	1929-06-23	1929-09-16
1930	1930-06-06	1930-09-20
1931	1931-04-28	1931-09-04
1932	1932-06-09	1932-10-03
1933	1933-06-12	1933-08-26
1934	1934-04-19	1934-09-03
1935	1935-05-20	1935-10-01
1936	1936-05-25	1936-08-28
1937	1937-05-02	1937-09-14
1938	1938-05-14	1938-09-17
1939	1939-05-13	1939-09-21
1940	1940-05-21	1940-08-29
1941	1941-05-23	1941-08-19
1942	1942-06-29	1942-09-24
1943	1943-06-28	1943-09-23
1944	1944-05-27	1944-09-10
1945	1945-06-17	1945-09-12
1946	1946-06-19	1946-09-10
1947	1947-05-23	1947-09-21
1948	1948-06-02	1948-09-10
1949	1949-06-05	1949-09-08
1950	1950-06-03	1950-09-21
1951	1951-05-21	1951-09-17
1952	1952-05-27	1952-09-22
1953	1953-05-05	1953-09-14
2014	2014-05-15	2014-09-22
2015	2015-06-06	2015-09-13
2016	2016-04-20	2016-09-27
2017	2017-05-05	2017-09-13
2018	2018-05-14	2018-09-07
2019	2019-05-11	2019-09-06
2020	2020-05-29	2020-09-11
2021	2021-06-02	2021-09-09
2022	2022-06-26	2022-10-08
2023	2023-05-13	2023-09-17
2024	2024-05-11	2024-09-25
2025	2025-05-31	2025-09-05
2026	2026-05-04	2026-09-01

Every Fixed Threshold

Fixed thresholds at Cascade Locks
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	69	46	2015	27
35 C (95 F): Days	59	12	2015	3
40 C (104 F): Days	8	3	2021	1
90 F (32.2 C): Days	69	27	2018	16
100 F (37.8 C): Days	35	4	1941	2
0 C (32 F): Ice days (max	63	34	1916	1
0 C (32 F): Frost days (min	72	82	1922	16
-10 C (14 F): Days with min	36	15	1929	5
20 C (68 F): Tropical nights (min	19	3	2021	3
10 mm (0.39 in): Days with 10 mm or more rain	69	96	1950	24
25 mm (0.98 in): Days with 25 mm or more rain	69	36	1950	9
50 mm (1.97 in): Days with 50 mm or more rain	66	10	1953	1
100 mm (3.94 in): Days with 100 mm or more rain	17	2	1923	1
10 cm (3.9 in): Days with 10 cm or more snowfall	25	14	1950	1
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	1921	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	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 1895.

Download the Data

Data for Cascade Locks 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Cascade Locks Threshold Days by Year (USC00351407)

Key Facts for Cascade Locks Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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