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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Omolon Threshold Days by Year (RSM00025428)

10 fixed thresholds counted per year at Omolon (RSM00025428): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Omolon Thresholds

  • Omolon: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1990 with 12.
  • Omolon: nights with a minimum temperature at or below 0 C (32 F) in 69 years, most in 1965 with 283.
  • Omolon: nights with a minimum temperature at or below -10 C (14 F) in 69 years, most in 1958 with 231.
  • Omolon: nights with a minimum temperature at or below -20 C (-4 F) in 69 years, most in 1958 with 189.
  • 10 fixed thresholds have at least one qualifying day at Omolon.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Omolon Days per year at Omolon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 2010. 0358101957: 11961: 11963: 11975: 11976: 21981: 51983: 31984: 11989: 11991: 51994: 11996: 12000: 32001: 52002: 32003: 42005: 12006: 22008: 22010: 92012: 12013: 22015: 22019: 319571975198319912000200320082013
Days per year at Omolon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 2010.
Days at or above 30 C (86 F) per year at Omolon
YearDaysDecade average
195711
196111
196311
197511.5
197621.5
198152.5
198332.5
198412.5
198912.5
199152.3
199412.3
199612.3
200032.9
200152.9
200232.9
200342.9
200512.9
200622.9
200822.9
201093.4
201213.4
201323.4
201523.4
201933.4
First to last qualifying date each year at Omolon For each year, a bar from the first to the last day at Omolon meeting 30 C (86 F). 1957: 24 July 1957 to 24 July 19571961: 24 July 1961 to 24 July 19611963: 6 August 1963 to 6 August 19631975: 5 July 1975 to 5 July 19751976: 3 July 1976 to 18 July 19761981: 26 June 1981 to 7 July 19811983: 20 June 1983 to 12 July 19831984: 12 July 1984 to 12 July 19841989: 1 July 1989 to 1 July 19891991: 17 June 1991 to 3 August 19911994: 26 July 1994 to 26 July 19941996: 21 June 1996 to 21 June 19962000: 30 June 2000 to 2 July 20002001: 20 July 2001 to 31 July 20012002: 26 June 2002 to 3 July 20022003: 6 July 2003 to 25 July 20032005: 5 July 2005 to 5 July 20052006: 14 July 2006 to 15 July 20062008: 19 July 2008 to 28 July 20082010: 6 July 2010 to 30 July 20102012: 15 July 2012 to 15 July 20122013: 8 July 2013 to 9 July 20132015: 26 June 2015 to 27 June 20152019: 11 July 2019 to 13 July 201919571975198319912000200320082013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Omolon meeting 30 C (86 F).
First to last qualifying date each year at Omolon
YearFirst dateLast date
19571957-07-241957-07-24
19611961-07-241961-07-24
19631963-08-061963-08-06
19751975-07-051975-07-05
19761976-07-031976-07-18
19811981-06-261981-07-07
19831983-06-201983-07-12
19841984-07-121984-07-12
19891989-07-011989-07-01
19911991-06-171991-08-03
19941994-07-261994-07-26
19961996-06-211996-06-21
20002000-06-302000-07-02
20012001-07-202001-07-31
20022002-06-262002-07-03
20032003-07-062003-07-25
20052005-07-052005-07-05
20062006-07-142006-07-15
20082008-07-192008-07-28
20102010-07-062010-07-30
20122012-07-152012-07-15
20132013-07-082013-07-09
20152015-06-262015-06-27
20192019-07-112019-07-13

Every Fixed Threshold

Fixed thresholds at Omolon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days24920103
90 F (32.2 C): Days6420101
0 C (32 F): Ice days (max65221198578
0 C (32 F): Frost days (min692831965123
-10 C (14 F): Days with min69231195889
-20 C (-4 F): Days with min69189195868
-30 C (-22 F): Days with min69144195958
-40 C (-40 F): Days with min69106196537
10 mm (0.39 in): Days with 10 mm or more rain711219901
25 mm (0.98 in): Days with 25 mm or more rain19220132

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Omolon 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).