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

Suomusjarvi Kettula Threshold Days by Year (FIE00142020)

9 fixed thresholds counted per year at Suomusjarvi Kettula (FIE00142020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Suomusjarvi Kettula Thresholds

  • Suomusjarvi Kettula: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 1976 with 196.
  • Suomusjarvi Kettula: nights with a minimum temperature at or below -10 C (14 F) in 29 years, most in 1969 with 85.
  • Suomusjarvi Kettula: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1981 with 32.
  • Suomusjarvi Kettula: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 1963 with 108.
  • 9 fixed thresholds have at least one qualifying day at Suomusjarvi Kettula.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Suomusjarvi Kettula Days per year at Suomusjarvi Kettula with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1973. 011221973: 21975: 21977: 1197319751977
Days per year at Suomusjarvi Kettula with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1973.
Days at or above 30 C (86 F) per year at Suomusjarvi Kettula
YearDaysDecade average
197321.7
197521.7
197711.7
First to last qualifying date each year at Suomusjarvi Kettula For each year, a bar from the first to the last day at Suomusjarvi Kettula meeting 30 C (86 F). 1973: 6 July 1973 to 7 July 19731975: 6 August 1975 to 8 August 19751977: 12 June 1977 to 12 June 1977197319751977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Suomusjarvi Kettula meeting 30 C (86 F).
First to last qualifying date each year at Suomusjarvi Kettula
YearFirst dateLast date
19731973-07-061973-07-07
19751975-08-061975-08-08
19771977-06-121977-06-12

Every Fixed Threshold

Fixed thresholds at Suomusjarvi Kettula
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3219731
0 C (32 F): Ice days (max28108196393
0 C (32 F): Frost days (min291961976176
-10 C (14 F): Days with min2985196974
-20 C (-4 F): Days with min2837198531
-30 C (-22 F): Days with min17819878
10 mm (0.39 in): Days with 10 mm or more rain2932198113
25 mm (0.98 in): Days with 25 mm or more rain18619623
50 mm (1.97 in): Days with 50 mm or more rain2119681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Suomusjarvi Kettula 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).