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

Ostrov Preobrazenij Threshold Days by Year (RSM00021504)

2 fixed thresholds counted per year at Ostrov Preobrazenij (RSM00021504): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ostrov Preobrazenij Thresholds

  • Ostrov Preobrazenij: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1972 with 1.
  • 2 fixed thresholds have at least one qualifying day at Ostrov Preobrazenij.
14 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ostrov Preobrazenij Days per year at Ostrov Preobrazenij with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 1 in 1972. 02461966: 41967: 21968: 11970: 21971: 51972: 11973: 31975: 31977: 41981: 11985: 11986: 11987: 11988: 11966196819711973197719851987
Days per year at Ostrov Preobrazenij with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 1 in 1972.
Days with 10 mm (0.39 in) or more of precipitation per year at Ostrov Preobrazenij
YearDaysDecade average
196642.3
196722.3
196812.3
197023
197153
197213
197333
197533
197743
198111
198511
198611
198711
198811
First to last qualifying date each year at Ostrov Preobrazenij For each year, a bar from the first to the last day at Ostrov Preobrazenij meeting 10 mm (0.39 in). 1966: 2 July 1966 to 24 September 19661967: 2 May 1967 to 30 June 19671968: 8 July 1968 to 8 July 19681970: 13 June 1970 to 17 July 19701971: 29 June 1971 to 7 September 19711972: 8 July 1972 to 8 July 19721973: 4 July 1973 to 14 July 19731975: 18 June 1975 to 7 August 19751977: 17 June 1977 to 18 August 19771981: 3 August 1981 to 3 August 19811985: 18 August 1985 to 18 August 19851986: 12 July 1986 to 12 July 19861987: 13 August 1987 to 13 August 19871988: 26 September 1988 to 26 September 19881966196819711973197719851987JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ostrov Preobrazenij meeting 10 mm (0.39 in).
First to last qualifying date each year at Ostrov Preobrazenij
YearFirst dateLast date
19661966-07-021966-09-24
19671967-05-021967-06-30
19681968-07-081968-07-08
19701970-06-131970-07-17
19711971-06-291971-09-07
19721972-07-081972-07-08
19731973-07-041973-07-14
19751975-06-181975-08-07
19771977-06-171977-08-18
19811981-08-031981-08-03
19851985-08-181985-08-18
19861986-07-121986-07-12
19871987-08-131987-08-13
19881988-09-261988-09-26

Every Fixed Threshold

Fixed thresholds at Ostrov Preobrazenij
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain14119721
25 mm (0.98 in): Days with 25 mm or more rain20n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Ostrov Preobrazenij 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).