Built 2026-10-19 (19 October 2026)

Simonstorp_O Threshold Days by Year (SWE00138626)

12 fixed thresholds counted per year at Simonstorp_O (SWE00138626): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Simonstorp_O Thresholds

  • Simonstorp_O: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 2010 with 104.
  • Simonstorp_O: nights with a minimum temperature at or below 0 C (32 F) in 63 years, most in 1955 with 190.
  • Simonstorp_O: nights with a minimum temperature at or below -10 C (14 F) in 63 years, most in 1963 with 65.
  • Simonstorp_O: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 2000 with 27.
  • 12 fixed thresholds have at least one qualifying day at Simonstorp_O.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Simonstorp_O Days per year at Simonstorp_O with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1955. 01020301952: 11953: 71955: 241956: 11957: 21958: 21959: 151960: 41961: 21963: 31964: 11968: 11969: 51970: 21973: 21975: 81982: 61983: 31986: 11989: 31991: 11992: 11994: 111999: 32001: 22005: 12006: 22007: 22010: 51952195619591963196919751986199220012007
Days per year at Simonstorp_O with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1955.
Days at or above 30 C (86 F) per year at Simonstorp_O
YearDaysDecade average
195217.4
195377.4
1955247.4
195617.4
195727.4
195827.4
1959157.4
196042.7
196122.7
196332.7
196412.7
196812.7
196952.7
197024
197324
197584
198263.3
198333.3
198613.3
198933.3
199114
199214
1994114
199934
200121.8
200511.8
200621.8
200721.8
201055
First to last qualifying date each year at Simonstorp_O For each year, a bar from the first to the last day at Simonstorp_O meeting 30 C (86 F). 1952: 10 July 1952 to 10 July 19521953: 26 June 1953 to 3 July 19531955: 7 July 1955 to 31 August 19551956: 9 June 1956 to 9 June 19561957: 17 June 1957 to 23 July 19571958: 3 July 1958 to 4 July 19581959: 25 June 1959 to 23 August 19591960: 4 June 1960 to 25 June 19601961: 5 June 1961 to 6 June 19611963: 3 July 1963 to 5 July 19631964: 19 July 1964 to 19 July 19641968: 18 June 1968 to 18 June 19681969: 17 July 1969 to 7 August 19691970: 19 June 1970 to 20 June 19701973: 5 July 1973 to 6 July 19731975: 4 August 1975 to 11 August 19751982: 3 August 1982 to 8 August 19821983: 10 July 1983 to 9 August 19831986: 26 June 1986 to 26 June 19861989: 7 July 1989 to 24 July 19891991: 7 July 1991 to 7 July 19911992: 10 August 1992 to 10 August 19921994: 12 July 1994 to 5 August 19941999: 11 July 1999 to 2 August 19992001: 5 July 2001 to 7 July 20012005: 12 July 2005 to 12 July 20052006: 6 July 2006 to 7 July 20062007: 9 June 2007 to 10 June 20072010: 3 July 2010 to 13 July 201019521957196119691982199120012010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Simonstorp_O meeting 30 C (86 F).
First to last qualifying date each year at Simonstorp_O
YearFirst dateLast date
19521952-07-101952-07-10
19531953-06-261953-07-03
19551955-07-071955-08-31
19561956-06-091956-06-09
19571957-06-171957-07-23
19581958-07-031958-07-04
19591959-06-251959-08-23
19601960-06-041960-06-25
19611961-06-051961-06-06
19631963-07-031963-07-05
19641964-07-191964-07-19
19681968-06-181968-06-18
19691969-07-171969-08-07
19701970-06-191970-06-20
19731973-07-051973-07-06
19751975-08-041975-08-11
19821982-08-031982-08-08
19831983-07-101983-08-09
19861986-06-261986-06-26
19891989-07-071989-07-24
19911991-07-071991-07-07
19921992-08-101992-08-10
19941994-07-121994-08-05
19991999-07-111999-08-02
20012001-07-052001-07-07
20052005-07-122005-07-12
20062006-07-062006-07-07
20072007-06-092007-06-10
20102010-07-032010-07-13

Every Fixed Threshold

Fixed thresholds at Simonstorp_O
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days292419555
35 C (95 F): Days1119751
90 F (32.2 C): Days6519942
0 C (32 F): Ice days (max63104201051
0 C (32 F): Frost days (min631901955145
-10 C (14 F): Days with min6365196332
-20 C (-4 F): Days with min502019693
-30 C (-22 F): Days with min4419664
10 mm (0.39 in): Days with 10 mm or more rain6327200015
25 mm (0.98 in): Days with 25 mm or more rain47519674
50 mm (1.97 in): Days with 50 mm or more rain3119731
100 mm (3.94 in): Days with 100 mm or more rain1119731

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Simonstorp_O 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).