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

Pietarsaari Kallan Threshold Days by Year (FIE00145091)

7 fixed thresholds counted per year at Pietarsaari Kallan (FIE00145091): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pietarsaari Kallan Thresholds

  • Pietarsaari Kallan: days with a maximum temperature at or below 0 C (32 F) in 27 years, most in 2010 with 122.
  • Pietarsaari Kallan: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 2010 with 173.
  • Pietarsaari Kallan: nights with a minimum temperature at or below -10 C (14 F) in 26 years, most in 2010 with 78.
  • Pietarsaari Kallan: nights with a minimum temperature at or below -20 C (-4 F) in 15 years, most in 2011 with 15.
  • 7 fixed thresholds have at least one qualifying day at Pietarsaari Kallan.
27 years with a qualifying day
Nights at or below 0 C (32 F) per year at Pietarsaari Kallan Days per year at Pietarsaari Kallan with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 173 in 2010. 0501001502001996: 1621997: 1661998: 1511999: 1422000: 1192001: 1442002: 1502003: 1402004: 1352006: 1292007: 1242008: 1192009: 1412010: 1732011: 1302012: 1472013: 1192014: 1092015: 892018: 1412019: 1332020: 1082021: 1322022: 1522023: 1722024: 1282025: 106199619992002200620092012201520202023
Days per year at Pietarsaari Kallan with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 173 in 2010.
Nights at or below 0 C (32 F) per year at Pietarsaari Kallan
YearDaysDecade average
1996162155.3
1997166155.3
1998151155.3
1999142155.3
2000119133.4
2001144133.4
2002150133.4
2003140133.4
2004135133.4
2006129133.4
2007124133.4
2008119133.4
2009141133.4
2010173130.1
2011130130.1
2012147130.1
2013119130.1
2014109130.1
201589130.1
2018141130.1
2019133130.1
2020108133
2021132133
2022152133
2023172133
2024128133
2025106133
First to last qualifying date each year at Pietarsaari Kallan For each year, a bar from the first to the last day at Pietarsaari Kallan meeting 0 C (32 F). 1996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 1 January 1999 to 31 December 19992000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 30 December 20042006: 1 January 2006 to 30 December 20062007: 1 January 2007 to 31 December 20072008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 30 December 20122013: 2 January 2013 to 23 December 20132014: 3 January 2014 to 30 December 20142015: 2 January 2015 to 30 December 20152018: 1 January 2018 to 31 December 20182019: 1 January 2019 to 31 December 20192020: 4 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 30 December 20222023: 1 January 2023 to 31 December 20232024: 1 January 2024 to 31 December 20242025: 1 January 2025 to 31 December 20251996200020042009201320192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pietarsaari Kallan meeting 0 C (32 F).
First to last qualifying date each year at Pietarsaari Kallan
YearFirst dateLast date
19961996-01-011996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-31
19991999-01-011999-12-31
20002000-01-012000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-31
20032003-01-012003-12-31
20042004-01-012004-12-30
20062006-01-012006-12-30
20072007-01-012007-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-31
20112011-01-012011-12-31
20122012-01-012012-12-30
20132013-01-022013-12-23
20142014-01-032014-12-30
20152015-01-022015-12-30
20182018-01-012018-12-31
20192019-01-012019-12-31
20202020-01-042020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-30
20232023-01-012023-12-31
20242024-01-012024-12-31
20252025-01-012025-12-31

Every Fixed Threshold

Fixed thresholds at Pietarsaari Kallan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1120181
0 C (32 F): Ice days (max27122201039
0 C (32 F): Frost days (min271732010106
-10 C (14 F): Days with min267820107
-20 C (-4 F): Days with min1515201113
-30 C (-22 F): Days with min1119991
20 C (68 F): Tropical nights (min7920144

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2018.

Download the Data

  • Data for Pietarsaari Kallan 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).