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

Sandhamn Threshold Days by Year (SWE00138848)

8 fixed thresholds counted per year at Sandhamn (SWE00138848): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sandhamn Thresholds

  • Sandhamn: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1974 with 21.
  • Sandhamn: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 2001 with 5.
  • Sandhamn: days with a maximum temperature at or below 0 C (32 F) in 3 years, most in 1966 with 69.
  • Sandhamn: nights with a minimum temperature at or below 0 C (32 F) in 3 years, most in 1966 with 137.
  • 8 fixed thresholds have at least one qualifying day at Sandhamn.
3 years with a qualifying day
Nights at or below 0 C (32 F) per year at Sandhamn Days per year at Sandhamn with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 137 in 1966. 0501001501966: 1371967: 1031968: 121196619671968
Days per year at Sandhamn with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 137 in 1966.
Nights at or below 0 C (32 F) per year at Sandhamn
YearDaysDecade average
1966137120.3
1967103120.3
1968121120.3
First to last qualifying date each year at Sandhamn For each year, a bar from the first to the last day at Sandhamn meeting 0 C (32 F). 1966: 1 January 1966 to 29 December 19661967: 3 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 1968196619671968JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sandhamn meeting 0 C (32 F).
First to last qualifying date each year at Sandhamn
YearFirst dateLast date
19661966-01-011966-12-29
19671967-01-031967-12-31
19681968-01-011968-12-31

Every Fixed Threshold

Fixed thresholds at Sandhamn
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max369196653
0 C (32 F): Frost days (min31371966121
-10 C (14 F): Days with min330196617
-20 C (-4 F): Days with min1619666
10 mm (0.39 in): Days with 10 mm or more rain602119743
25 mm (0.98 in): Days with 25 mm or more rain46520011
50 mm (1.97 in): Days with 50 mm or more rain3119751
100 mm (3.94 in): Days with 100 mm or more rain1119751

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Sandhamn 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).