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

Ostrov Aion Threshold Days by Year (RSM00025042)

9 fixed thresholds counted per year at Ostrov Aion (RSM00025042): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ostrov Aion Thresholds

  • Ostrov Aion: days with a maximum temperature at or below 0 C (32 F) in 74 years, most in 1949 with 271.
  • Ostrov Aion: nights with a minimum temperature at or below 0 C (32 F) in 74 years, most in 1949 with 347.
  • Ostrov Aion: nights with a minimum temperature at or below -10 C (14 F) in 74 years, most in 1965 with 233.
  • Ostrov Aion: nights with a minimum temperature at or below -20 C (-4 F) in 74 years, most in 1950 with 188.
  • 9 fixed thresholds have at least one qualifying day at Ostrov Aion.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Ostrov Aion Days per year at Ostrov Aion with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 1 in 1975. 001111975: 12010: 12015: 1197520102015
Days per year at Ostrov Aion with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 1 in 1975.
Days at or above 30 C (86 F) per year at Ostrov Aion
YearDaysDecade average
197511
201011
201511
First to last qualifying date each year at Ostrov Aion For each year, a bar from the first to the last day at Ostrov Aion meeting 30 C (86 F). 1975: 6 July 1975 to 6 July 19752010: 8 July 2010 to 8 July 20102015: 4 July 2015 to 4 July 2015197520102015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ostrov Aion meeting 30 C (86 F).
First to last qualifying date each year at Ostrov Aion
YearFirst dateLast date
19751975-07-061975-07-06
20102010-07-082010-07-08
20152015-07-042015-07-04

Every Fixed Threshold

Fixed thresholds at Ostrov Aion
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3119751
0 C (32 F): Ice days (max742711949224
0 C (32 F): Frost days (min743471949292
-10 C (14 F): Days with min742331965199
-20 C (-4 F): Days with min741881950133
-30 C (-22 F): Days with min74109196537
-40 C (-40 F): Days with min692319664
10 mm (0.39 in): Days with 10 mm or more rain31419731
25 mm (0.98 in): Days with 25 mm or more rain2119541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Ostrov Aion 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).