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

Biorka Threshold Days by Year (USC00500804)

8 fixed thresholds counted per year at Biorka (USC00500804): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Biorka Thresholds

  • Biorka: days with 10 mm (0.39 in) or more of precipitation in 4 years, most in 1943 with 98.
  • Biorka: days with 25 mm (0.98 in) or more of precipitation in 4 years, most in 1943 with 30.
  • Biorka: nights with a minimum temperature at or below 0 C (32 F) in 3 years, most in 1943 with 71.
  • Biorka: nights with a minimum temperature at or below -10 C (14 F) in 3 years, most in 1943 with 5.
  • 8 fixed thresholds have at least one qualifying day at Biorka.
3 years with a qualifying day
Nights at or below 0 C (32 F) per year at Biorka Days per year at Biorka with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 71 in 1943. 0501001501943: 711944: 471973: 126194319441973
Days per year at Biorka with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 71 in 1943.
Nights at or below 0 C (32 F) per year at Biorka
YearDaysDecade average
19437159
19444759
1973126126
First to last qualifying date each year at Biorka For each year, a bar from the first to the last day at Biorka meeting 0 C (32 F). 1943: 1 January 1943 to 31 December 19431944: 2 January 1944 to 31 December 19441973: 1 January 1973 to 31 December 1973194319441973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Biorka meeting 0 C (32 F).
First to last qualifying date each year at Biorka
YearFirst dateLast date
19431943-01-011943-12-31
19441944-01-021944-12-31
19731973-01-011973-12-31

Every Fixed Threshold

Fixed thresholds at Biorka
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max21219433
0 C (32 F): Frost days (min3711943126
-10 C (14 F): Days with min3519431
10 mm (0.39 in): Days with 10 mm or more rain498194378
25 mm (0.98 in): Days with 25 mm or more rain430194322
50 mm (1.97 in): Days with 50 mm or more rain3819433
100 mm (3.94 in): Days with 100 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall10n/a2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Biorka 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).