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Built 2026-10-19 (19 October 2026)

Sylarna Threshold Days by Year (SWE00136744)

4 fixed thresholds counted per year at Sylarna (SWE00136744): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sylarna Thresholds

  • Sylarna: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 2010 with 166.
  • Sylarna: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 2012 with 250.
  • Sylarna: nights with a minimum temperature at or below -10 C (14 F) in 31 years, most in 2010 with 104.
  • Sylarna: nights with a minimum temperature at or below -20 C (-4 F) in 19 years, most in 2010 with 17.
  • 4 fixed thresholds have at least one qualifying day at Sylarna.
31 years with a qualifying day
Nights at or below 0 C (32 F) per year at Sylarna Days per year at Sylarna with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 250 in 2012. 01002003001988: 1971989: 2361990: 2171991: 2471992: 2391996: 2271997: 2381998: 2421999: 2212000: 2082002: 2232003: 2322004: 2082005: 2162006: 2182007: 2262008: 2242009: 2212010: 2342011: 1982012: 2502014: 2242015: 2312016: 2312017: 2272019: 2312020: 2262021: 2142022: 2062023: 2342026: 13019881992199920042008201220172022
Days per year at Sylarna with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 250 in 2012.
Nights at or below 0 C (32 F) per year at Sylarna
YearDaysDecade average
1988197216.5
1989236216.5
1990217233
1991247233
1992239233
1996227233
1997238233
1998242233
1999221233
2000208219.6
2002223219.6
2003232219.6
2004208219.6
2005216219.6
2006218219.6
2007226219.6
2008224219.6
2009221219.6
2010234228.3
2011198228.3
2012250228.3
2014224228.3
2015231228.3
2016231228.3
2017227228.3
2019231228.3
2020226202
2021214202
2022206202
2023234202
2026130202
First to last qualifying date each year at Sylarna For each year, a bar from the first to the last day at Sylarna meeting 0 C (32 F). 1988: 15 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19891990: 1 January 1990 to 31 December 19901991: 1 January 1991 to 31 December 19911992: 1 January 1992 to 31 December 19921996: 10 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 20002002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 1 January 2007 to 31 December 20072008: 1 January 2008 to 31 December 20082009: 12 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122014: 1 January 2014 to 30 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172019: 1 January 2019 to 31 December 20192020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 31 December 20222023: 1 January 2023 to 31 December 20232026: 1 January 2026 to 28 May 202619881992199920042008201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sylarna meeting 0 C (32 F).
First to last qualifying date each year at Sylarna
YearFirst dateLast date
19881988-01-151988-12-31
19891989-01-011989-12-31
19901990-01-011990-12-31
19911991-01-011991-12-31
19921992-01-011992-12-31
19961996-01-101996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-31
19991999-01-011999-12-31
20002000-01-012000-12-31
20022002-01-012002-12-31
20032003-01-012003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-31
20082008-01-012008-12-31
20092009-01-122009-12-31
20102010-01-012010-12-31
20112011-01-012011-12-31
20122012-01-012012-12-31
20142014-01-012014-12-30
20152015-01-012015-12-31
20162016-01-012016-12-31
20172017-01-012017-12-31
20192019-01-012019-12-31
20202020-01-012020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-31
20232023-01-012023-12-31
20262026-01-012026-05-28

Every Fixed Threshold

Fixed thresholds at Sylarna
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max31166201073
0 C (32 F): Frost days (min312502012130
-10 C (14 F): Days with min31104201045
-20 C (-4 F): Days with min191720103

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1988.

Download the Data

  • Data for Sylarna 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).