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

Ortofta Threshold Days by Year (SWE00137580)

8 fixed thresholds counted per year at Ortofta (SWE00137580): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ortofta Thresholds

  • Ortofta: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1945 with 20.
  • Ortofta: days with a maximum temperature at or below 0 C (32 F) in 23 years, most in 1963 with 71.
  • Ortofta: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1955 with 138.
  • Ortofta: nights with a minimum temperature at or below -10 C (14 F) in 22 years, most in 1963 with 43.
  • 8 fixed thresholds have at least one qualifying day at Ortofta.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Ortofta Days per year at Ortofta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1947. 012341945: 11946: 11947: 41955: 21957: 21959: 31964: 11966: 11968: 21969: 21970: 11971: 21972: 11973: 41945194719571964196819701972
Days per year at Ortofta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1947.
Days at or above 30 C (86 F) per year at Ortofta
YearDaysDecade average
194512
194612
194742
195522.3
195722.3
195932.3
196411.5
196611.5
196821.5
196921.5
197012
197122
197212
197342
First to last qualifying date each year at Ortofta For each year, a bar from the first to the last day at Ortofta meeting 30 C (86 F). 1945: 16 July 1945 to 16 July 19451946: 5 July 1946 to 5 July 19461947: 29 June 1947 to 16 August 19471955: 14 July 1955 to 15 July 19551957: 18 June 1957 to 20 July 19571959: 9 July 1959 to 21 August 19591964: 28 August 1964 to 28 August 19641966: 22 July 1966 to 22 July 19661968: 16 June 1968 to 17 June 19681969: 24 July 1969 to 8 August 19691970: 8 July 1970 to 8 July 19701971: 20 August 1971 to 21 August 19711972: 18 July 1972 to 18 July 19721973: 5 July 1973 to 16 August 19731945194719571964196819701972JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ortofta meeting 30 C (86 F).
First to last qualifying date each year at Ortofta
YearFirst dateLast date
19451945-07-161945-07-16
19461946-07-051946-07-05
19471947-06-291947-08-16
19551955-07-141955-07-15
19571957-06-181957-07-20
19591959-07-091959-08-21
19641964-08-281964-08-28
19661966-07-221966-07-22
19681968-06-161968-06-17
19691969-07-241969-08-08
19701970-07-081970-07-08
19711971-08-201971-08-21
19721972-07-181972-07-18
19731973-07-051973-08-16

Every Fixed Threshold

Fixed thresholds at Ortofta
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days14419474
90 F (32.2 C): Days2219471
0 C (32 F): Ice days (max237119632
0 C (32 F): Frost days (min23138195552
-10 C (14 F): Days with min224319636
-20 C (-4 F): Days with min10619561
10 mm (0.39 in): Days with 10 mm or more rain3020194512
25 mm (0.98 in): Days with 25 mm or more rain21419451

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 Ortofta 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).