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Built 2026-10-19 (19 October 2026)

Semenov Threshold Days by Year (RSM00027462)

3 fixed thresholds counted per year at Semenov (RSM00027462): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Semenov Thresholds

  • Semenov: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1978 with 23.
  • Semenov: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1977 with 4.
  • Semenov: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1962 with 1.
  • 3 fixed thresholds have at least one qualifying day at Semenov.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Semenov Days per year at Semenov with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1978. 01020301960: 51961: 71962: 151963: 61964: 101965: 201972: 121973: 111975: 71977: 141978: 231979: 181980: 141981: 111982: 151983: 101984: 121985: 141986: 111987: 121988: 111989: 161990: 151991: 161992: 181994: 181996: 9196019631972197719801983198619891992
Days per year at Semenov with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at Semenov
YearDaysDecade average
1960510.5
1961710.5
19621510.5
1963610.5
19641010.5
19652010.5
19721214.2
19731114.2
1975714.2
19771414.2
19782314.2
19791814.2
19801412.6
19811112.6
19821512.6
19831012.6
19841212.6
19851412.6
19861112.6
19871212.6
19881112.6
19891612.6
19901515.2
19911615.2
19921815.2
19941815.2
1996915.2
First to last qualifying date each year at Semenov For each year, a bar from the first to the last day at Semenov meeting 10 mm (0.39 in). 1960: 31 March 1960 to 9 September 19601961: 12 March 1961 to 6 August 19611962: 8 March 1962 to 18 November 19621963: 14 June 1963 to 21 November 19631964: 3 June 1964 to 28 December 19641965: 1 May 1965 to 3 December 19651972: 24 March 1972 to 19 November 19721973: 16 April 1973 to 23 October 19731975: 8 June 1975 to 20 November 19751977: 23 February 1977 to 25 November 19771978: 16 February 1978 to 26 October 19781979: 5 January 1979 to 14 December 19791980: 13 May 1980 to 29 November 19801981: 7 January 1981 to 13 December 19811982: 18 April 1982 to 5 November 19821983: 9 May 1983 to 30 November 19831984: 19 April 1984 to 1 November 19841985: 22 May 1985 to 31 December 19851986: 5 April 1986 to 25 October 19861987: 22 May 1987 to 10 September 19871988: 18 March 1988 to 1 December 19881989: 19 March 1989 to 24 November 19891990: 18 May 1990 to 2 October 19901991: 23 April 1991 to 29 October 19911992: 5 January 1992 to 20 November 19921994: 8 March 1994 to 22 November 19941996: 14 June 1996 to 16 December 19961960196419751980198419881992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Semenov meeting 10 mm (0.39 in).
First to last qualifying date each year at Semenov
YearFirst dateLast date
19601960-03-311960-09-09
19611961-03-121961-08-06
19621962-03-081962-11-18
19631963-06-141963-11-21
19641964-06-031964-12-28
19651965-05-011965-12-03
19721972-03-241972-11-19
19731973-04-161973-10-23
19751975-06-081975-11-20
19771977-02-231977-11-25
19781978-02-161978-10-26
19791979-01-051979-12-14
19801980-05-131980-11-29
19811981-01-071981-12-13
19821982-04-181982-11-05
19831983-05-091983-11-30
19841984-04-191984-11-01
19851985-05-221985-12-31
19861986-04-051986-10-25
19871987-05-221987-09-10
19881988-03-181988-12-01
19891989-03-191989-11-24
19901990-05-181990-10-02
19911991-04-231991-10-29
19921992-01-051992-11-20
19941994-03-081994-11-22
19961996-06-141996-12-16

Every Fixed Threshold

Fixed thresholds at Semenov
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain272319789
25 mm (0.98 in): Days with 25 mm or more rain21419772
50 mm (1.97 in): Days with 50 mm or more rain5119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Semenov 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).