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

Tranas Threshold Days by Year (SWE00138342)

10 fixed thresholds counted per year at Tranas (SWE00138342): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tranas Thresholds

  • Tranas: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1957 with 23.
  • Tranas: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1946 with 5.
  • Tranas: days with a maximum temperature at or below 0 C (32 F) in 16 years, most in 1947 with 87.
  • Tranas: nights with a minimum temperature at or below 0 C (32 F) in 16 years, most in 1947 with 163.
  • 10 fixed thresholds have at least one qualifying day at Tranas.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Tranas Days per year at Tranas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1968. 02461947: 41948: 31964: 11968: 61969: 61970: 21971: 21947194819641968196919701971
Days per year at Tranas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1968.
Days at or above 30 C (86 F) per year at Tranas
YearDaysDecade average
194743.5
194833.5
196414.3
196864.3
196964.3
197022
197122
First to last qualifying date each year at Tranas For each year, a bar from the first to the last day at Tranas meeting 30 C (86 F). 1947: 28 June 1947 to 1 July 19471948: 27 July 1948 to 1 August 19481964: 14 June 1964 to 14 June 19641968: 14 June 1968 to 20 June 19681969: 16 July 1969 to 1 August 19691970: 19 June 1970 to 20 June 19701971: 8 July 1971 to 9 July 19711947194819641968196919701971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tranas meeting 30 C (86 F).
First to last qualifying date each year at Tranas
YearFirst dateLast date
19471947-06-281947-07-01
19481948-07-271948-08-01
19641964-06-141964-06-14
19681968-06-141968-06-20
19691969-07-161969-08-01
19701970-06-191970-06-20
19711971-07-081971-07-09

Every Fixed Threshold

Fixed thresholds at Tranas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7619682
90 F (32.2 C): Days1119471
0 C (32 F): Ice days (max1687194741
0 C (32 F): Frost days (min161631947126
-10 C (14 F): Days with min1656196313
-20 C (-4 F): Days with min131619471
-30 C (-22 F): Days with min1119661
10 mm (0.39 in): Days with 10 mm or more rain6823195710
25 mm (0.98 in): Days with 25 mm or more rain50519462
50 mm (1.97 in): Days with 50 mm or more rain3119451

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

  • Data for Tranas 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).