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

Gammelkroppa Threshold Days by Year (SWE00139074)

12 fixed thresholds counted per year at Gammelkroppa (SWE00139074): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gammelkroppa Thresholds

  • Gammelkroppa: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1952 with 213.
  • Gammelkroppa: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 1947 with 84.
  • Gammelkroppa: nights with a minimum temperature at or below -20 C (-4 F) in 32 years, most in 1947 with 28.
  • Gammelkroppa: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1961 with 30.
  • 12 fixed thresholds have at least one qualifying day at Gammelkroppa.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Gammelkroppa Days per year at Gammelkroppa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 1947. 01020301945: 161946: 61947: 211949: 101953: 11955: 21958: 21969: 31970: 21973: 11975: 8194519471953195819701975
Days per year at Gammelkroppa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 1947.
Days at or above 30 C (86 F) per year at Gammelkroppa
YearDaysDecade average
19451613.3
1946613.3
19472113.3
19491013.3
195311.7
195521.7
195821.7
196933
197023.7
197313.7
197583.7
First to last qualifying date each year at Gammelkroppa For each year, a bar from the first to the last day at Gammelkroppa meeting 30 C (86 F). 1945: 21 June 1945 to 12 August 19451946: 28 May 1946 to 14 July 19461947: 12 May 1947 to 25 August 19471949: 1 July 1949 to 23 July 19491953: 28 June 1953 to 28 June 19531955: 10 July 1955 to 13 July 19551958: 1 July 1958 to 2 July 19581969: 31 July 1969 to 3 August 19691970: 19 June 1970 to 20 June 19701973: 6 July 1973 to 6 July 19731975: 4 August 1975 to 11 August 1975194519471953195819701975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Gammelkroppa meeting 30 C (86 F).
First to last qualifying date each year at Gammelkroppa
YearFirst dateLast date
19451945-06-211945-08-12
19461946-05-281946-07-14
19471947-05-121947-08-25
19491949-07-011949-07-23
19531953-06-281953-06-28
19551955-07-101955-07-13
19581958-07-011958-07-02
19691969-07-311969-08-03
19701970-06-191970-06-20
19731973-07-061973-07-06
19751975-08-041975-08-11

Every Fixed Threshold

Fixed thresholds at Gammelkroppa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days112119478
35 C (95 F): Days2119451
90 F (32.2 C): Days41219473
0 C (32 F): Ice days (max30103197027
0 C (32 F): Frost days (min352131952152
-10 C (14 F): Days with min3584194730
-20 C (-4 F): Days with min322819474
-30 C (-22 F): Days with min8519705
20 C (68 F): Tropical nights (min1219472
10 mm (0.39 in): Days with 10 mm or more rain3130196120
25 mm (0.98 in): Days with 25 mm or more rain25419472
50 mm (1.97 in): Days with 50 mm or more rain1119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Gammelkroppa 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).