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

Karsta Threshold Days by Year (SWE00139064)

11 fixed thresholds counted per year at Karsta (SWE00139064): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Karsta Thresholds

  • Karsta: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1969 with 84.
  • Karsta: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1956 with 195.
  • Karsta: nights with a minimum temperature at or below -10 C (14 F) in 39 years, most in 1956 with 74.
  • Karsta: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1960 with 28.
  • 11 fixed thresholds have at least one qualifying day at Karsta.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Karsta Days per year at Karsta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1969. 0358101953: 21955: 51956: 11959: 61966: 11968: 31969: 91970: 21972: 21973: 61975: 61976: 11977: 21982: 21983: 51986: 11989: 3195319561966196919721975197719831989
Days per year at Karsta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1969.
Days at or above 30 C (86 F) per year at Karsta
YearDaysDecade average
195323.5
195553.5
195613.5
195963.5
196614.3
196834.3
196994.3
197023.2
197223.2
197363.2
197563.2
197613.2
197723.2
198222.8
198352.8
198612.8
198932.8
First to last qualifying date each year at Karsta For each year, a bar from the first to the last day at Karsta meeting 30 C (86 F). 1953: 26 June 1953 to 28 June 19531955: 12 July 1955 to 31 July 19551956: 9 June 1956 to 9 June 19561959: 26 June 1959 to 22 August 19591966: 22 July 1966 to 22 July 19661968: 15 June 1968 to 2 July 19681969: 21 June 1969 to 7 August 19691970: 19 June 1970 to 20 June 19701972: 28 June 1972 to 29 June 19721973: 24 June 1973 to 7 July 19731975: 4 August 1975 to 9 August 19751976: 26 June 1976 to 26 June 19761977: 14 June 1977 to 15 June 19771982: 3 August 1982 to 5 August 19821983: 8 July 1983 to 12 July 19831986: 26 June 1986 to 26 June 19861989: 5 July 1989 to 8 July 1989195319591969197319771986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Karsta meeting 30 C (86 F).
First to last qualifying date each year at Karsta
YearFirst dateLast date
19531953-06-261953-06-28
19551955-07-121955-07-31
19561956-06-091956-06-09
19591959-06-261959-08-22
19661966-07-221966-07-22
19681968-06-151968-07-02
19691969-06-211969-08-07
19701970-06-191970-06-20
19721972-06-281972-06-29
19731973-06-241973-07-07
19751975-08-041975-08-09
19761976-06-261976-06-26
19771977-06-141977-06-15
19821982-08-031982-08-05
19831983-07-081983-07-12
19861986-06-261986-06-26
19891989-07-051989-07-08

Every Fixed Threshold

Fixed thresholds at Karsta
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days17919693
35 C (95 F): Days1119751
90 F (32.2 C): Days3419751
0 C (32 F): Ice days (max3984196935
0 C (32 F): Frost days (min391951956150
-10 C (14 F): Days with min397419569
-20 C (-4 F): Days with min363519851
-30 C (-22 F): Days with min11719662
10 mm (0.39 in): Days with 10 mm or more rain3928196017
25 mm (0.98 in): Days with 25 mm or more rain26419652
50 mm (1.97 in): Days with 50 mm or more rain4119611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

  • Data for Karsta 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).