Built 2026-10-19 (19 October 2026)

Omak Threshold Days by Year (USC00456121)

14 fixed thresholds counted per year at Omak (USC00456121): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Omak Thresholds

  • Omak: days with 10 mm (0.39 in) or more of precipitation in 9 years, most in 1981 with 11.
  • Omak: days with a maximum temperature at or above 30 C (86 F) in 8 years, most in 1986 with 76.
  • Omak: days with a maximum temperature at or above 35 C (95 F) in 8 years, most in 1986 with 37.
  • Omak: days with a maximum temperature at or above 90 F (32.2 C) in 8 years, most in 1986 with 58.
  • 14 fixed thresholds have at least one qualifying day at Omak.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Omak Days per year at Omak with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1986. 0204060801981: 591982: 611983: 521984: 621986: 761987: 691988: 641989: 5319811982198319841986198719881989
Days per year at Omak with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1986.
Days at or above 30 C (86 F) per year at Omak
YearDaysDecade average
19815962
19826162
19835262
19846262
19867662
19876962
19886462
19895362
First to last qualifying date each year at Omak For each year, a bar from the first to the last day at Omak meeting 30 C (86 F). 1981: 30 April 1981 to 18 September 19811982: 24 May 1982 to 19 September 19821983: 20 May 1983 to 30 August 19831984: 29 May 1984 to 18 September 19841986: 25 May 1986 to 4 September 19861987: 27 April 1987 to 24 September 19871988: 12 May 1988 to 14 September 19881989: 1 June 1989 to 29 September 198919811982198319841986198719881989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Omak meeting 30 C (86 F).
First to last qualifying date each year at Omak
YearFirst dateLast date
19811981-04-301981-09-18
19821982-05-241982-09-19
19831983-05-201983-08-30
19841984-05-291984-09-18
19861986-05-251986-09-04
19871987-04-271987-09-24
19881988-05-121988-09-14
19891989-06-011989-09-29

Every Fixed Threshold

Fixed thresholds at Omak
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days876198653
35 C (95 F): Days837198615
40 C (104 F): Days5719811
90 F (32.2 C): Days858198633
100 F (37.8 C): Days81419863
0 C (32 F): Ice days (max836198222
0 C (32 F): Frost days (min81571982116
-10 C (14 F): Days with min826198218
-20 C (-4 F): Days with min3219821
20 C (68 F): Tropical nights (min8619844
25 C (77 F): Days with min1119861
10 mm (0.39 in): Days with 10 mm or more rain911198110
25 mm (0.98 in): Days with 25 mm or more rain7319822
10 cm (3.9 in): Days with 10 cm or more snowfall2219822

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Omak 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 . Last revised (2025-12-31).