Tieton Intake Threshold Days by Year (USC00458442)

15 fixed thresholds counted per year at Tieton Intake (USC00458442): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tieton Intake Thresholds

Tieton Intake: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1945 with 52.
Tieton Intake: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 1969 with 53.
Tieton Intake: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1964 with 200.
Tieton Intake: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1945 with 32.
15 fixed thresholds have at least one qualifying day at Tieton Intake.

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at Tieton Intake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 1945.

Days at or above 30 C (86 F) per year at Tieton Intake
Year	Days	Decade average
1934	44	36
1935	34	36
1936	38	36
1937	28	36
1939	36	36
1940	33	40.3
1943	45	40.3
1945	52	40.3
1946	31	40.3
1950	33	25.2
1951	38	25.2
1952	34	25.2
1953	20	25.2
1954	9	25.2
1955	26	25.2
1956	22	25.2
1957	7	25.2
1958	47	25.2
1959	16	25.2
1960	27	22.7
1961	36	22.7
1962	16	22.7
1963	22	22.7
1964	12	22.7
1965	23	22.7
1966	15	22.7
1967	38	22.7
1968	18	22.7
1969	20	22.7
1970	37	35.5
1971	34	35.5

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

First to last qualifying date each year at Tieton Intake
Year	First date	Last date
1934	1934-05-23	1934-09-05
1935	1935-06-04	1935-09-09
1936	1936-05-10	1936-09-06
1937	1937-06-01	1937-09-14
1939	1939-05-14	1939-09-21
1940	1940-05-22	1940-09-09
1943	1943-06-28	1943-09-25
1945	1945-06-17	1945-09-14
1946	1946-04-24	1946-09-11
1950	1950-06-30	1950-09-23
1951	1951-06-15	1951-09-19
1952	1952-06-09	1952-09-26
1953	1953-07-07	1953-09-12
1954	1954-07-05	1954-08-02
1955	1955-06-11	1955-09-07
1956	1956-05-18	1956-08-24
1957	1957-06-02	1957-09-16
1958	1958-05-22	1958-09-08
1959	1959-06-20	1959-08-10
1960	1960-06-29	1960-09-14
1961	1961-06-15	1961-08-24
1962	1962-06-25	1962-09-01
1963	1963-06-15	1963-09-10
1964	1964-07-08	1964-08-24
1965	1965-06-11	1965-08-19
1966	1966-05-05	1966-09-06
1967	1967-06-17	1967-09-22
1968	1968-06-19	1968-08-10
1969	1969-06-04	1969-09-12
1970	1970-06-03	1970-08-25
1971	1971-07-15	1971-08-29

Every Fixed Threshold

Fixed thresholds at Tieton Intake
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	52	1945	34
35 C (95 F): Days	26	13	1945	6
40 C (104 F): Days	2	1	1935	1
90 F (32.2 C): Days	30	32	1945	23
100 F (37.8 C): Days	8	3	1945	2
0 C (32 F): Ice days (max	31	53	1969	18
0 C (32 F): Frost days (min	31	200	1964	169
-10 C (14 F): Days with min	30	38	1969	18
-20 C (-4 F): Days with min	17	14	1950	6
20 C (68 F): Tropical nights (min	1	1	1939	1
10 mm (0.39 in): Days with 10 mm or more rain	27	20	1950	15
25 mm (0.98 in): Days with 25 mm or more rain	23	5	1964	2
50 mm (1.97 in): Days with 50 mm or more rain	6	1	1945	1
10 cm (3.9 in): Days with 10 cm or more snowfall	24	13	1955	7
25 cm (9.8 in): Days with 25 cm or more snowfall	14	3	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

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Data for Tieton Intake 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).

Tieton Intake Threshold Days by Year (USC00458442)

Key Facts for Tieton Intake Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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