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

Onega Threshold Days by Year (RSM00022641)

13 fixed thresholds counted per year at Onega (RSM00022641): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Onega Thresholds

  • Onega: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1966 with 19.
  • Onega: days with a maximum temperature at or below 0 C (32 F) in 82 years, most in 1941 with 166.
  • Onega: nights with a minimum temperature at or below 0 C (32 F) in 82 years, most in 1941 with 237.
  • Onega: nights with a minimum temperature at or below -10 C (14 F) in 81 years, most in 1941 with 129.
  • 13 fixed thresholds have at least one qualifying day at Onega.
46 years with a qualifying day
Days at or above 30 C (86 F) per year at Onega Days per year at Onega with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 2010. 051015201936: 41937: 31938: 71939: 11940: 41941: 21945: 11946: 11947: 21948: 41954: 31956: 11957: 41960: 51961: 11963: 11964: 41967: 11969: 11970: 51972: 161974: 31975: 31977: 11981: 21982: 21983: 11988: 31989: 21990: 21996: 21998: 41999: 72000: 92001: 22002: 22003: 52004: 12006: 62007: 12010: 172011: 112012: 12013: 32014: 22016: 31936194119541963197219821996200220102016
Days per year at Onega with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 2010.
Days at or above 30 C (86 F) per year at Onega
YearDaysDecade average
193643.8
193733.8
193873.8
193913.8
194042.3
194122.3
194512.3
194612.3
194722.3
194842.3
195432.7
195612.7
195742.7
196052.2
196112.2
196312.2
196442.2
196712.2
196912.2
197055.6
1972165.6
197435.6
197535.6
197715.6
198122
198222
198312
198832
198922
199023.8
199623.8
199843.8
199973.8
200093.7
200123.7
200223.7
200353.7
200413.7
200663.7
200713.7
2010176.2
2011116.2
201216.2
201336.2
201426.2
201636.2
First to last qualifying date each year at Onega For each year, a bar from the first to the last day at Onega meeting 30 C (86 F). 1936: 23 July 1936 to 3 August 19361937: 30 June 1937 to 2 July 19371938: 14 July 1938 to 30 July 19381939: 15 June 1939 to 15 June 19391940: 26 June 1940 to 10 July 19401941: 13 July 1941 to 14 July 19411945: 7 July 1945 to 7 July 19451946: 18 June 1946 to 18 June 19461947: 9 June 1947 to 13 June 19471948: 2 June 1948 to 27 June 19481954: 6 July 1954 to 8 July 19541956: 9 June 1956 to 9 June 19561957: 19 July 1957 to 24 July 19571960: 19 July 1960 to 30 July 19601961: 13 July 1961 to 13 July 19611963: 26 July 1963 to 26 July 19631964: 3 August 1964 to 6 August 19641967: 4 August 1967 to 4 August 19671969: 10 July 1969 to 10 July 19691970: 2 July 1970 to 21 July 19701972: 1 July 1972 to 22 August 19721974: 20 June 1974 to 22 July 19741975: 28 July 1975 to 3 August 19751977: 28 July 1977 to 28 July 19771981: 26 June 1981 to 27 June 19811982: 8 July 1982 to 9 July 19821983: 3 July 1983 to 3 July 19831988: 3 July 1988 to 19 July 19881989: 30 June 1989 to 1 July 19891990: 8 July 1990 to 9 July 19901996: 10 July 1996 to 11 July 19961998: 12 June 1998 to 15 June 19981999: 22 June 1999 to 16 July 19992000: 23 June 2000 to 19 July 20002001: 19 July 2001 to 20 July 20012002: 5 July 2002 to 6 July 20022003: 13 July 2003 to 2 August 20032004: 1 July 2004 to 1 July 20042006: 22 June 2006 to 11 July 20062007: 15 August 2007 to 15 August 20072010: 15 May 2010 to 10 August 20102011: 27 June 2011 to 25 July 20112012: 31 July 2012 to 31 July 20122013: 25 June 2013 to 27 June 20132014: 20 May 2014 to 21 May 20142016: 3 July 2016 to 5 July 201619361945195719691981199620032012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Onega meeting 30 C (86 F).
First to last qualifying date each year at Onega
YearFirst dateLast date
19361936-07-231936-08-03
19371937-06-301937-07-02
19381938-07-141938-07-30
19391939-06-151939-06-15
19401940-06-261940-07-10
19411941-07-131941-07-14
19451945-07-071945-07-07
19461946-06-181946-06-18
19471947-06-091947-06-13
19481948-06-021948-06-27
19541954-07-061954-07-08
19561956-06-091956-06-09
19571957-07-191957-07-24
19601960-07-191960-07-30
19611961-07-131961-07-13
19631963-07-261963-07-26
19641964-08-031964-08-06
19671967-08-041967-08-04
19691969-07-101969-07-10
19701970-07-021970-07-21
19721972-07-011972-08-22
19741974-06-201974-07-22
19751975-07-281975-08-03
19771977-07-281977-07-28
19811981-06-261981-06-27
19821982-07-081982-07-09
19831983-07-031983-07-03
19881988-07-031988-07-19
19891989-06-301989-07-01
19901990-07-081990-07-09
19961996-07-101996-07-11
19981998-06-121998-06-15
19991999-06-221999-07-16
20002000-06-232000-07-19
20012001-07-192001-07-20
20022002-07-052002-07-06
20032003-07-132003-08-02
20042004-07-012004-07-01
20062006-06-222006-07-11
20072007-08-152007-08-15
20102010-05-152010-08-10
20112011-06-272011-07-25
20122012-07-312012-07-31
20132013-06-252013-06-27
20142014-05-202014-05-21
20162016-07-032016-07-05

Every Fixed Threshold

Fixed thresholds at Onega
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days461720103
35 C (95 F): Days1419724
90 F (32.2 C): Days101020103
0 C (32 F): Ice days (max8216619412
0 C (32 F): Frost days (min8223719411
-10 C (14 F): Days with min81129194175
-20 C (-4 F): Days with min8169196614
-30 C (-22 F): Days with min681919404
-40 C (-40 F): Days with min6319873
20 C (68 F): Tropical nights (min301020102
10 mm (0.39 in): Days with 10 mm or more rain8319196616
25 mm (0.98 in): Days with 25 mm or more rain48519483
50 mm (1.97 in): Days with 50 mm or more rain5119481

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

  • Data for Onega 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).