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Built 2026-10-19 (19 October 2026)

Gendalen Threshold Days by Year (SWE00138386)

11 fixed thresholds counted per year at Gendalen (SWE00138386): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gendalen Thresholds

  • Gendalen: days with a maximum temperature at or below 0 C (32 F) in 64 years, most in 2010 with 94.
  • Gendalen: nights with a minimum temperature at or below 0 C (32 F) in 64 years, most in 1970 with 171.
  • Gendalen: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1977 with 33.
  • Gendalen: nights with a minimum temperature at or below -10 C (14 F) in 62 years, most in 2010 with 69.
  • 11 fixed thresholds have at least one qualifying day at Gendalen.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Gendalen Days per year at Gendalen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 1982. 0358101964: 11969: 31970: 11973: 21975: 81979: 11982: 101983: 21986: 11988: 11989: 51991: 21992: 11994: 91995: 11997: 11999: 12000: 12001: 22002: 12004: 12005: 32006: 52007: 22008: 42009: 22010: 22013: 12014: 32015: 12018: 82019: 32020: 12021: 12022: 52025: 32026: 41964197519861992199920042008201420202026
Days per year at Gendalen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 1982.
Days at or above 30 C (86 F) per year at Gendalen
YearDaysDecade average
196412
196932
197013
197323
197583
197913
1982103.8
198323.8
198613.8
198813.8
198953.8
199122.5
199212.5
199492.5
199512.5
199712.5
199912.5
200012.3
200122.3
200212.3
200412.3
200532.3
200652.3
200722.3
200842.3
200922.3
201023
201313
201433
201513
201883
201933
202012.8
202112.8
202252.8
202532.8
202642.8
First to last qualifying date each year at Gendalen For each year, a bar from the first to the last day at Gendalen meeting 30 C (86 F). 1964: 14 June 1964 to 14 June 19641969: 30 July 1969 to 1 August 19691970: 19 June 1970 to 19 June 19701973: 6 July 1973 to 7 July 19731975: 4 August 1975 to 11 August 19751979: 1 June 1979 to 1 June 19791982: 4 June 1982 to 8 August 19821983: 10 July 1983 to 12 July 19831986: 30 June 1986 to 30 June 19861988: 27 June 1988 to 27 June 19881989: 20 June 1989 to 25 July 19891991: 6 July 1991 to 8 July 19911992: 21 July 1992 to 21 July 19921994: 13 July 1994 to 5 August 19941995: 26 June 1995 to 26 June 19951997: 13 August 1997 to 13 August 19971999: 12 July 1999 to 12 July 19992000: 21 June 2000 to 21 June 20002001: 7 July 2001 to 16 August 20012002: 10 July 2002 to 10 July 20022004: 12 August 2004 to 12 August 20042005: 9 July 2005 to 11 July 20052006: 5 July 2006 to 27 July 20062007: 9 June 2007 to 10 June 20072008: 7 June 2008 to 1 August 20082009: 2 July 2009 to 3 July 20092010: 3 July 2010 to 11 July 20102013: 3 August 2013 to 3 August 20132014: 24 July 2014 to 26 July 20142015: 5 July 2015 to 5 July 20152018: 2 June 2018 to 8 August 20182019: 30 June 2019 to 26 July 20192020: 26 June 2020 to 26 June 20202021: 15 July 2021 to 15 July 20212022: 24 June 2022 to 14 August 20222025: 18 July 2025 to 20 July 20252026: 27 June 2026 to 30 July 202619641979198919972004200920182025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Gendalen meeting 30 C (86 F).
First to last qualifying date each year at Gendalen
YearFirst dateLast date
19641964-06-141964-06-14
19691969-07-301969-08-01
19701970-06-191970-06-19
19731973-07-061973-07-07
19751975-08-041975-08-11
19791979-06-011979-06-01
19821982-06-041982-08-08
19831983-07-101983-07-12
19861986-06-301986-06-30
19881988-06-271988-06-27
19891989-06-201989-07-25
19911991-07-061991-07-08
19921992-07-211992-07-21
19941994-07-131994-08-05
19951995-06-261995-06-26
19971997-08-131997-08-13
19991999-07-121999-07-12
20002000-06-212000-06-21
20012001-07-072001-08-16
20022002-07-102002-07-10
20042004-08-122004-08-12
20052005-07-092005-07-11
20062006-07-052006-07-27
20072007-06-092007-06-10
20082008-06-072008-08-01
20092009-07-022009-07-03
20102010-07-032010-07-11
20132013-08-032013-08-03
20142014-07-242014-07-26
20152015-07-052015-07-05
20182018-06-022018-08-08
20192019-06-302019-07-26
20202020-06-262020-06-26
20212021-07-152021-07-15
20222022-06-242022-08-14
20252025-07-182025-07-20
20262026-06-272026-07-30

Every Fixed Threshold

Fixed thresholds at Gendalen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days371019824
90 F (32.2 C): Days9719752
0 C (32 F): Ice days (max6494201042
0 C (32 F): Frost days (min64171197082
-10 C (14 F): Days with min6269201017
-20 C (-4 F): Days with min391719873
-30 C (-22 F): Days with min3319662
20 C (68 F): Tropical nights (min1120101
10 mm (0.39 in): Days with 10 mm or more rain6433197711
25 mm (0.98 in): Days with 25 mm or more rain53619671
50 mm (1.97 in): Days with 50 mm or more rain8119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Gendalen 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).