Built 2026-10-19 (19 October 2026)

Jonstorp Threshold Days by Year (SWE00137918)

10 fixed thresholds counted per year at Jonstorp (SWE00137918): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jonstorp Thresholds

  • Jonstorp: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1985 with 38.
  • Jonstorp: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1954 with 5.
  • Jonstorp: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1979 with 58.
  • Jonstorp: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1970 with 147.
  • 10 fixed thresholds have at least one qualifying day at Jonstorp.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Jonstorp Days per year at Jonstorp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1982. 02461969: 21975: 31978: 11979: 21982: 51986: 11989: 11992: 11994: 51997: 11969197519781979198219861989199219941997
Days per year at Jonstorp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1982.
Days at or above 30 C (86 F) per year at Jonstorp
YearDaysDecade average
196922
197532
197812
197922
198252.3
198612.3
198912.3
199212.3
199452.3
199712.3
First to last qualifying date each year at Jonstorp For each year, a bar from the first to the last day at Jonstorp meeting 30 C (86 F). 1969: 2 August 1969 to 8 August 19691975: 7 August 1975 to 10 August 19751978: 1 August 1978 to 1 August 19781979: 1 June 1979 to 2 June 19791982: 4 June 1982 to 7 August 19821986: 4 August 1986 to 4 August 19861989: 8 July 1989 to 8 July 19891992: 10 August 1992 to 10 August 19921994: 13 July 1994 to 1 August 19941997: 30 June 1997 to 30 June 199719691978198219891994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jonstorp meeting 30 C (86 F).
First to last qualifying date each year at Jonstorp
YearFirst dateLast date
19691969-08-021969-08-08
19751975-08-071975-08-10
19781978-08-011978-08-01
19791979-06-011979-06-02
19821982-06-041982-08-07
19861986-08-041986-08-04
19891989-07-081989-07-08
19921992-08-101992-08-10
19941994-07-131994-08-01
19971997-06-301997-06-30

Every Fixed Threshold

Fixed thresholds at Jonstorp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days10519821
90 F (32.2 C): Days1119941
0 C (32 F): Ice days (max3458197925
0 C (32 F): Frost days (min341471970111
-10 C (14 F): Days with min3234198511
-20 C (-4 F): Days with min14819851
20 C (68 F): Tropical nights (min1119941
10 mm (0.39 in): Days with 10 mm or more rain5338198520
25 mm (0.98 in): Days with 25 mm or more rain45519542
50 mm (1.97 in): Days with 50 mm or more rain1119651

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Jonstorp 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).