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

Ylitornio Portimojarvi Threshold Days by Year (FIE00145847)

11 fixed thresholds counted per year at Ylitornio Portimojarvi (FIE00145847): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ylitornio Portimojarvi Thresholds

  • Ylitornio Portimojarvi: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1968 with 245.
  • Ylitornio Portimojarvi: nights with a minimum temperature at or below -10 C (14 F) in 43 years, most in 1980 with 132.
  • Ylitornio Portimojarvi: nights with a minimum temperature at or below -20 C (-4 F) in 43 years, most in 1985 with 80.
  • Ylitornio Portimojarvi: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1998 with 25.
  • 11 fixed thresholds have at least one qualifying day at Ylitornio Portimojarvi.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Ylitornio Portimojarvi Days per year at Ylitornio Portimojarvi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1972. 012341966: 21970: 11972: 41988: 21999: 119661970197219881999
Days per year at Ylitornio Portimojarvi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1972.
Days at or above 30 C (86 F) per year at Ylitornio Portimojarvi
YearDaysDecade average
196622
197012.5
197242.5
198822
199911
First to last qualifying date each year at Ylitornio Portimojarvi For each year, a bar from the first to the last day at Ylitornio Portimojarvi meeting 30 C (86 F). 1966: 19 June 1966 to 20 June 19661970: 20 July 1970 to 20 July 19701972: 2 July 1972 to 6 July 19721988: 29 June 1988 to 19 July 19881999: 15 July 1999 to 15 July 199919661970197219881999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ylitornio Portimojarvi meeting 30 C (86 F).
First to last qualifying date each year at Ylitornio Portimojarvi
YearFirst dateLast date
19661966-06-191966-06-20
19701970-07-201970-07-20
19721972-07-021972-07-06
19881988-06-291988-07-19
19991999-07-151999-07-15

Every Fixed Threshold

Fixed thresholds at Ylitornio Portimojarvi
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5419721
0 C (32 F): Ice days (max421501980121
0 C (32 F): Frost days (min432451968203
-10 C (14 F): Days with min431321980100
-20 C (-4 F): Days with min4380198538
-30 C (-22 F): Days with min382819856
-40 C (-40 F): Days with min2319993
20 C (68 F): Tropical nights (min3119601
10 mm (0.39 in): Days with 10 mm or more rain4325199812
25 mm (0.98 in): Days with 25 mm or more rain27419862
50 mm (1.97 in): Days with 50 mm or more rain1119861

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 Ylitornio Portimojarvi 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).