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

Kloten Threshold Days by Year (SWE00139158)

8 fixed thresholds counted per year at Kloten (SWE00139158): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kloten Thresholds

  • Kloten: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 2000 with 46.
  • Kloten: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1986 with 7.
  • Kloten: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1985 with 117.
  • Kloten: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1985 with 190.
  • 8 fixed thresholds have at least one qualifying day at Kloten.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Kloten Days per year at Kloten with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1982. 01231982: 31986: 11991: 21994: 32008: 119821986199119942008
Days per year at Kloten with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1982.
Days at or above 30 C (86 F) per year at Kloten
YearDaysDecade average
198232
198612
199122.5
199432.5
200811
First to last qualifying date each year at Kloten For each year, a bar from the first to the last day at Kloten meeting 30 C (86 F). 1982: 2 August 1982 to 5 August 19821986: 26 June 1986 to 26 June 19861991: 6 July 1991 to 7 July 19911994: 14 July 1994 to 27 July 19942008: 26 July 2008 to 26 July 200819821986199119942008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kloten meeting 30 C (86 F).
First to last qualifying date each year at Kloten
YearFirst dateLast date
19821982-08-021982-08-05
19861986-06-261986-06-26
19911991-07-061991-07-07
19941994-07-141994-07-27
20082008-07-262008-07-26

Every Fixed Threshold

Fixed thresholds at Kloten
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5319821
0 C (32 F): Ice days (max30117198543
0 C (32 F): Frost days (min301901985152
-10 C (14 F): Days with min307819858
-20 C (-4 F): Days with min221819871
10 mm (0.39 in): Days with 10 mm or more rain3846200022
25 mm (0.98 in): Days with 25 mm or more rain36719861
50 mm (1.97 in): Days with 50 mm or more rain3119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1982.

Download the Data

  • Data for Kloten 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).