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

Bollerup Threshold Days by Year (SWE00137512)

11 fixed thresholds counted per year at Bollerup (SWE00137512): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bollerup Thresholds

  • Bollerup: nights with a minimum temperature at or below 0 C (32 F) in 76 years, most in 1969 with 142.
  • Bollerup: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 1963 with 75.
  • Bollerup: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1980 with 29.
  • Bollerup: nights with a minimum temperature at or below -10 C (14 F) in 63 years, most in 1963 with 34.
  • 11 fixed thresholds have at least one qualifying day at Bollerup.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Bollerup Days per year at Bollerup with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 1947. 01020301945: 41946: 21947: 221948: 61949: 11950: 11953: 51959: 11975: 51982: 11989: 21991: 11992: 21994: 22001: 52005: 12012: 12013: 12014: 22018: 62020: 31945194819531982199220052014
Days per year at Bollerup with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 1947.
Days at or above 30 C (86 F) per year at Bollerup
YearDaysDecade average
194547
194627
1947227
194867
194917
195012.3
195352.3
195912.3
197555
198211.5
198921.5
199111.7
199221.7
199421.7
200153
200513
201212.5
201312.5
201422.5
201862.5
202033
First to last qualifying date each year at Bollerup For each year, a bar from the first to the last day at Bollerup meeting 30 C (86 F). 1945: 15 July 1945 to 18 July 19451946: 29 May 1946 to 5 July 19461947: 27 June 1947 to 16 September 19471948: 28 July 1948 to 2 August 19481949: 24 July 1949 to 24 July 19491950: 6 June 1950 to 6 June 19501953: 29 June 1953 to 3 July 19531959: 10 July 1959 to 10 July 19591975: 7 August 1975 to 11 August 19751982: 8 August 1982 to 8 August 19821989: 8 July 1989 to 9 July 19891991: 7 July 1991 to 7 July 19911992: 10 August 1992 to 11 August 19921994: 27 July 1994 to 28 July 19942001: 5 July 2001 to 27 July 20012005: 12 July 2005 to 12 July 20052012: 20 August 2012 to 20 August 20122013: 21 July 2013 to 21 July 20132014: 29 July 2014 to 3 August 20142018: 3 June 2018 to 8 August 20182020: 8 August 2020 to 16 August 20201945194819531982199220052014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bollerup meeting 30 C (86 F).
First to last qualifying date each year at Bollerup
YearFirst dateLast date
19451945-07-151945-07-18
19461946-05-291946-07-05
19471947-06-271947-09-16
19481948-07-281948-08-02
19491949-07-241949-07-24
19501950-06-061950-06-06
19531953-06-291953-07-03
19591959-07-101959-07-10
19751975-08-071975-08-11
19821982-08-081982-08-08
19891989-07-081989-07-09
19911991-07-071991-07-07
19921992-08-101992-08-11
19941994-07-271994-07-28
20012001-07-052001-07-27
20052005-07-122005-07-12
20122012-08-202012-08-20
20132013-07-212013-07-21
20142014-07-292014-08-03
20182018-06-032018-08-08
20202020-08-082020-08-16

Every Fixed Threshold

Fixed thresholds at Bollerup
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days212219473
35 C (95 F): Days1119471
90 F (32.2 C): Days2919471
0 C (32 F): Ice days (max757519633
0 C (32 F): Frost days (min76142196941
-10 C (14 F): Days with min633419631
-20 C (-4 F): Days with min1119811
20 C (68 F): Tropical nights (min3319941
10 mm (0.39 in): Days with 10 mm or more rain752919807
25 mm (0.98 in): Days with 25 mm or more rain62519931
50 mm (1.97 in): Days with 50 mm or more rain9119551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Bollerup 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).