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Built 2026-10-19 (19 October 2026)

Vanersborg Threshold Days by Year (SWE00138464)

11 fixed thresholds counted per year at Vanersborg (SWE00138464): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vanersborg Thresholds

  • Vanersborg: days with 10 mm (0.39 in) or more of precipitation in 159 years, most in 1890 with 41.
  • Vanersborg: nights with a minimum temperature at or below 0 C (32 F) in 144 years, most in 1902 with 171.
  • Vanersborg: days with a maximum temperature at or below 0 C (32 F) in 143 years, most in 2010 with 92.
  • Vanersborg: nights with a minimum temperature at or below -10 C (14 F) in 140 years, most in 1942 with 72.
  • 11 fixed thresholds have at least one qualifying day at Vanersborg.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Vanersborg Days per year at Vanersborg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1901. 02461901: 51914: 21925: 31933: 11941: 21942: 11944: 21946: 11947: 11948: 31955: 11964: 11969: 11970: 11975: 41982: 41989: 21991: 31994: 41997: 12005: 12006: 12007: 22008: 22009: 12010: 12018: 52019: 22021: 12022: 22025: 12026: 419011941194719691989200520092021
Days per year at Vanersborg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1901.
Days at or above 30 C (86 F) per year at Vanersborg
YearDaysDecade average
190155
191422
192533
193311
194121.7
194211.7
194421.7
194611.7
194711.7
194831.7
195511
196411
196911
197012.5
197542.5
198243
198923
199132.7
199442.7
199712.7
200511.4
200611.4
200721.4
200821.4
200911.4
201012.7
201852.7
201922.7
202112
202222
202512
202642
First to last qualifying date each year at Vanersborg For each year, a bar from the first to the last day at Vanersborg meeting 30 C (86 F). 1901: 21 July 1901 to 25 July 19011914: 18 July 1914 to 22 July 19141925: 22 July 1925 to 25 July 19251933: 9 July 1933 to 9 July 19331941: 26 June 1941 to 12 July 19411942: 6 July 1942 to 6 July 19421944: 8 July 1944 to 9 July 19441946: 5 July 1946 to 5 July 19461947: 30 June 1947 to 30 June 19471948: 29 July 1948 to 1 August 19481955: 13 July 1955 to 13 July 19551964: 14 June 1964 to 14 June 19641969: 29 July 1969 to 29 July 19691970: 19 June 1970 to 19 June 19701975: 6 August 1975 to 11 August 19751982: 2 August 1982 to 8 August 19821989: 8 July 1989 to 25 July 19891991: 5 July 1991 to 8 July 19911994: 13 July 1994 to 5 August 19941997: 13 August 1997 to 13 August 19972005: 11 July 2005 to 11 July 20052006: 27 July 2006 to 27 July 20062007: 9 June 2007 to 10 June 20072008: 27 July 2008 to 28 July 20082009: 3 July 2009 to 3 July 20092010: 3 July 2010 to 3 July 20102018: 25 July 2018 to 8 August 20182019: 6 June 2019 to 25 July 20192021: 15 July 2021 to 15 July 20212022: 20 July 2022 to 21 July 20222025: 19 July 2025 to 19 July 20252026: 27 June 2026 to 30 July 202619011941194719691989200520092021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vanersborg meeting 30 C (86 F).
First to last qualifying date each year at Vanersborg
YearFirst dateLast date
19011901-07-211901-07-25
19141914-07-181914-07-22
19251925-07-221925-07-25
19331933-07-091933-07-09
19411941-06-261941-07-12
19421942-07-061942-07-06
19441944-07-081944-07-09
19461946-07-051946-07-05
19471947-06-301947-06-30
19481948-07-291948-08-01
19551955-07-131955-07-13
19641964-06-141964-06-14
19691969-07-291969-07-29
19701970-06-191970-06-19
19751975-08-061975-08-11
19821982-08-021982-08-08
19891989-07-081989-07-25
19911991-07-051991-07-08
19941994-07-131994-08-05
19971997-08-131997-08-13
20052005-07-112005-07-11
20062006-07-272006-07-27
20072007-06-092007-06-10
20082008-07-272008-07-28
20092009-07-032009-07-03
20102010-07-032010-07-03
20182018-07-252018-08-08
20192019-06-062019-07-25
20212021-07-152021-07-15
20222022-07-202022-07-21
20252025-07-192025-07-19
20262026-06-272026-07-30

Every Fixed Threshold

Fixed thresholds at Vanersborg
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days32519014
90 F (32.2 C): Days6219751
0 C (32 F): Ice days (max14392201042
0 C (32 F): Frost days (min144171190277
-10 C (14 F): Days with min14072194212
-20 C (-4 F): Days with min591619421
-30 C (-22 F): Days with min3219471
20 C (68 F): Tropical nights (min4219411
10 mm (0.39 in): Days with 10 mm or more rain1594118909
25 mm (0.98 in): Days with 25 mm or more rain124619501
50 mm (1.97 in): Days with 50 mm or more rain15118731

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

  • Data for Vanersborg 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).