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

Ust-Oloj Threshold Days by Year (RSM00025325)

10 fixed thresholds counted per year at Ust-Oloj (RSM00025325): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ust-Oloj Thresholds

  • Ust-Oloj: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1986 with 287.
  • Ust-Oloj: nights with a minimum temperature at or below -10 C (14 F) in 68 years, most in 1958 with 226.
  • Ust-Oloj: nights with a minimum temperature at or below -20 C (-4 F) in 68 years, most in 1980 with 196.
  • Ust-Oloj: nights with a minimum temperature at or below -30 C (-22 F) in 68 years, most in 1992 with 143.
  • 10 fixed thresholds have at least one qualifying day at Ust-Oloj.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Ust-Oloj Days per year at Ust-Oloj with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2010. 0358101943: 11952: 21953: 11956: 51957: 11958: 21959: 21960: 11961: 11966: 21969: 21973: 21975: 21976: 21977: 11981: 61983: 31987: 11989: 61991: 51993: 61996: 11999: 12000: 42001: 32002: 22004: 12005: 12006: 22008: 22010: 1019431957196119751983199320012006
Days per year at Ust-Oloj with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2010.
Days at or above 30 C (86 F) per year at Ust-Oloj
YearDaysDecade average
194311
195222.2
195312.2
195652.2
195712.2
195822.2
195922.2
196011.5
196111.5
196621.5
196921.5
197321.8
197521.8
197621.8
197711.8
198164
198334
198714
198964
199153.3
199363.3
199613.3
199913.3
200042.1
200132.1
200222.1
200412.1
200512.1
200622.1
200822.1
20101010
First to last qualifying date each year at Ust-Oloj For each year, a bar from the first to the last day at Ust-Oloj meeting 30 C (86 F). 1943: 3 July 1943 to 3 July 19431952: 17 July 1952 to 18 July 19521953: 6 August 1953 to 6 August 19531956: 21 June 1956 to 6 July 19561957: 24 July 1957 to 24 July 19571958: 9 July 1958 to 10 July 19581959: 4 July 1959 to 29 July 19591960: 16 July 1960 to 16 July 19601961: 6 July 1961 to 6 July 19611966: 24 June 1966 to 25 June 19661969: 2 July 1969 to 3 July 19691973: 22 June 1973 to 23 June 19731975: 5 July 1975 to 6 July 19751976: 18 July 1976 to 19 August 19761977: 18 July 1977 to 18 July 19771981: 26 June 1981 to 4 July 19811983: 20 June 1983 to 12 July 19831987: 25 July 1987 to 25 July 19871989: 10 June 1989 to 2 July 19891991: 17 June 1991 to 2 August 19911993: 28 June 1993 to 30 July 19931996: 21 June 1996 to 21 June 19961999: 7 July 1999 to 7 July 19992000: 30 June 2000 to 17 July 20002001: 20 July 2001 to 31 July 20012002: 26 June 2002 to 2 July 20022004: 5 July 2004 to 5 July 20042005: 5 July 2005 to 5 July 20052006: 13 July 2006 to 14 July 20062008: 19 July 2008 to 28 July 20082010: 7 July 2010 to 30 July 201019431957196119751983199320012006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ust-Oloj meeting 30 C (86 F).
First to last qualifying date each year at Ust-Oloj
YearFirst dateLast date
19431943-07-031943-07-03
19521952-07-171952-07-18
19531953-08-061953-08-06
19561956-06-211956-07-06
19571957-07-241957-07-24
19581958-07-091958-07-10
19591959-07-041959-07-29
19601960-07-161960-07-16
19611961-07-061961-07-06
19661966-06-241966-06-25
19691969-07-021969-07-03
19731973-06-221973-06-23
19751975-07-051975-07-06
19761976-07-181976-08-19
19771977-07-181977-07-18
19811981-06-261981-07-04
19831983-06-201983-07-12
19871987-07-251987-07-25
19891989-06-101989-07-02
19911991-06-171991-08-02
19931993-06-281993-07-30
19961996-06-211996-06-21
19991999-07-071999-07-07
20002000-06-302000-07-17
20012001-07-202001-07-31
20022002-06-262002-07-02
20042004-07-052004-07-05
20052005-07-052005-07-05
20062006-07-132006-07-14
20082008-07-192008-07-28
20102010-07-072010-07-30

Every Fixed Threshold

Fixed thresholds at Ust-Oloj
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3110201010
90 F (32.2 C): Days10320103
0 C (32 F): Ice days (max662241958199
0 C (32 F): Frost days (min682871986258
-10 C (14 F): Days with min682261958198
-20 C (-4 F): Days with min681961980157
-30 C (-22 F): Days with min681431992103
-40 C (-40 F): Days with min6882196554
10 mm (0.39 in): Days with 10 mm or more rain66920075
25 mm (0.98 in): Days with 25 mm or more rain12219871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Ust-Oloj 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).