Built 2026-10-19 (19 October 2026)

Langvattnet Threshold Days by Year (SWE00140462)

11 fixed thresholds counted per year at Langvattnet (SWE00140462): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Langvattnet Thresholds

  • Langvattnet: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1992 with 27.
  • Langvattnet: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 1955 with 155.
  • Langvattnet: nights with a minimum temperature at or below 0 C (32 F) in 67 years, most in 1945 with 252.
  • Langvattnet: nights with a minimum temperature at or below -10 C (14 F) in 67 years, most in 1941 with 154.
  • 11 fixed thresholds have at least one qualifying day at Langvattnet.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Langvattnet Days per year at Langvattnet with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1947. 02461933: 31934: 11937: 11940: 11941: 21945: 41947: 51953: 31968: 1193319341937194019411945194719531968
Days per year at Langvattnet with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1947.
Days at or above 30 C (86 F) per year at Langvattnet
YearDaysDecade average
193331.7
193411.7
193711.7
194013
194123
194543
194753
195333
196811
First to last qualifying date each year at Langvattnet For each year, a bar from the first to the last day at Langvattnet meeting 30 C (86 F). 1933: 8 July 1933 to 10 July 19331934: 17 July 1934 to 17 July 19341937: 6 July 1937 to 6 July 19371940: 12 July 1940 to 12 July 19401941: 13 July 1941 to 26 July 19411945: 16 July 1945 to 19 July 19451947: 19 July 1947 to 23 July 19471953: 25 June 1953 to 27 June 19531968: 3 July 1968 to 3 July 196819331937194119471968JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Langvattnet meeting 30 C (86 F).
First to last qualifying date each year at Langvattnet
YearFirst dateLast date
19331933-07-081933-07-10
19341934-07-171934-07-17
19371937-07-061937-07-06
19401940-07-121940-07-12
19411941-07-131941-07-26
19451945-07-161945-07-19
19471947-07-191947-07-23
19531953-06-251953-06-27
19681968-07-031968-07-03

Every Fixed Threshold

Fixed thresholds at Langvattnet
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days9519471
90 F (32.2 C): Days1119331
0 C (32 F): Ice days (max671551955127
0 C (32 F): Frost days (min672521945203
-10 C (14 F): Days with min671541941117
-20 C (-4 F): Days with min6781194243
-30 C (-22 F): Days with min643219859
-40 C (-40 F): Days with min6319781
10 mm (0.39 in): Days with 10 mm or more rain6827199214
25 mm (0.98 in): Days with 25 mm or more rain51419351
50 mm (1.97 in): Days with 50 mm or more rain5119341

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

  • Data for Langvattnet 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).