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

Jarvso Threshold Days by Year (SWE00139674)

11 fixed thresholds counted per year at Jarvso (SWE00139674): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jarvso Thresholds

  • Jarvso: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 2000 with 28.
  • Jarvso: nights with a minimum temperature at or below 0 C (32 F) in 55 years, most in 1976 with 203.
  • Jarvso: nights with a minimum temperature at or below -10 C (14 F) in 55 years, most in 1985 with 99.
  • Jarvso: days with a maximum temperature at or below 0 C (32 F) in 54 years, most in 2010 with 119.
  • 11 fixed thresholds have at least one qualifying day at Jarvso.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Jarvso Days per year at Jarvso with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1994. 02461968: 31969: 11970: 11973: 51975: 41977: 11979: 11982: 11983: 11986: 21988: 31989: 11994: 61999: 22001: 32002: 12003: 32006: 32007: 32010: 12014: 32015: 22020: 32022: 219681973197919861994200220072015
Days per year at Jarvso with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1994.
Days at or above 30 C (86 F) per year at Jarvso
YearDaysDecade average
196832
196912
197012.4
197352.4
197542.4
197712.4
197912.4
198211.6
198311.6
198621.6
198831.6
198911.6
199464
199924
200132.6
200212.6
200332.6
200632.6
200732.6
201012
201432
201522
202032.5
202222.5
First to last qualifying date each year at Jarvso For each year, a bar from the first to the last day at Jarvso meeting 30 C (86 F). 1968: 13 June 1968 to 3 July 19681969: 1 August 1969 to 1 August 19691970: 19 June 1970 to 19 June 19701973: 23 June 1973 to 7 July 19731975: 5 August 1975 to 8 August 19751977: 15 June 1977 to 15 June 19771979: 7 June 1979 to 7 June 19791982: 2 August 1982 to 2 August 19821983: 9 July 1983 to 9 July 19831986: 25 June 1986 to 26 June 19861988: 26 June 1988 to 28 June 19881989: 25 July 1989 to 25 July 19891994: 13 July 1994 to 28 July 19941999: 10 July 1999 to 12 July 19992001: 4 July 2001 to 9 July 20012002: 7 June 2002 to 7 June 20022003: 16 July 2003 to 18 July 20032006: 12 June 2006 to 7 July 20062007: 7 June 2007 to 7 August 20072010: 3 July 2010 to 3 July 20102014: 23 July 2014 to 4 August 20142015: 2 July 2015 to 3 July 20152020: 24 June 2020 to 26 June 20202022: 26 June 2022 to 27 June 202219681973197919861994200220072015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jarvso meeting 30 C (86 F).
First to last qualifying date each year at Jarvso
YearFirst dateLast date
19681968-06-131968-07-03
19691969-08-011969-08-01
19701970-06-191970-06-19
19731973-06-231973-07-07
19751975-08-051975-08-08
19771977-06-151977-06-15
19791979-06-071979-06-07
19821982-08-021982-08-02
19831983-07-091983-07-09
19861986-06-251986-06-26
19881988-06-261988-06-28
19891989-07-251989-07-25
19941994-07-131994-07-28
19991999-07-101999-07-12
20012001-07-042001-07-09
20022002-06-072002-06-07
20032003-07-162003-07-18
20062006-06-122006-07-07
20072007-06-072007-08-07
20102010-07-032010-07-03
20142014-07-232014-08-04
20152015-07-022015-07-03
20202020-06-242020-06-26
20222022-06-262022-06-27

Every Fixed Threshold

Fixed thresholds at Jarvso
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days24619942
90 F (32.2 C): Days2119681
0 C (32 F): Ice days (max54119201041
0 C (32 F): Frost days (min552031976153
-10 C (14 F): Days with min5599198531
-20 C (-4 F): Days with min534719857
-30 C (-22 F): Days with min241419661
20 C (68 F): Tropical nights (min2119681
10 mm (0.39 in): Days with 10 mm or more rain6228200016
25 mm (0.98 in): Days with 25 mm or more rain45520002
50 mm (1.97 in): Days with 50 mm or more rain5119811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Jarvso 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).