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

Persberg Threshold Days by Year (SWE00139106)

8 fixed thresholds counted per year at Persberg (SWE00139106): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Persberg Thresholds

  • Persberg: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 2000 with 32.
  • Persberg: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1990 with 5.
  • Persberg: days with a maximum temperature at or below 0 C (32 F) in 5 years, most in 1980 with 90.
  • Persberg: nights with a minimum temperature at or below 0 C (32 F) in 5 years, most in 1979 with 191.
  • 8 fixed thresholds have at least one qualifying day at Persberg.
5 years with a qualifying day
Nights at or below 0 C (32 F) per year at Persberg Days per year at Persberg with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 191 in 1979. 0501001502001977: 1571978: 1791979: 1911980: 1771984: 15519771978197919801984
Days per year at Persberg with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 191 in 1979.
Nights at or below 0 C (32 F) per year at Persberg
YearDaysDecade average
1977157175.7
1978179175.7
1979191175.7
1980177166
1984155166
First to last qualifying date each year at Persberg For each year, a bar from the first to the last day at Persberg meeting 0 C (32 F). 1977: 1 January 1977 to 31 December 19771978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 29 December 19801984: 2 January 1984 to 31 December 198419771978197919801984JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Persberg meeting 0 C (32 F).
First to last qualifying date each year at Persberg
YearFirst dateLast date
19771977-01-011977-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-29
19841984-01-021984-12-31

Every Fixed Threshold

Fixed thresholds at Persberg
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max590198074
0 C (32 F): Frost days (min51911979155
-10 C (14 F): Days with min559198026
-20 C (-4 F): Days with min41019797
10 mm (0.39 in): Days with 10 mm or more rain5032200013
25 mm (0.98 in): Days with 25 mm or more rain41519901
50 mm (1.97 in): Days with 50 mm or more rain4119881
100 mm (3.94 in): Days with 100 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Persberg 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 (2026-10-12).