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

Blankastrom Threshold Days by Year (SWE00138012)

9 fixed thresholds counted per year at Blankastrom (SWE00138012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blankastrom Thresholds

  • Blankastrom: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1960 with 20.
  • Blankastrom: days with a maximum temperature at or below 0 C (32 F) in 32 years, most in 1947 with 79.
  • Blankastrom: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1956 with 178.
  • Blankastrom: nights with a minimum temperature at or below -10 C (14 F) in 32 years, most in 1963 with 60.
  • 9 fixed thresholds have at least one qualifying day at Blankastrom.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Blankastrom Days per year at Blankastrom with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1947. 02461945: 31947: 51948: 41949: 11950: 21954: 11959: 11964: 11968: 21969: 31970: 21975: 51976: 11945194819501959196819701976
Days per year at Blankastrom with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1947.
Days at or above 30 C (86 F) per year at Blankastrom
YearDaysDecade average
194533.3
194753.3
194843.3
194913.3
195021.3
195411.3
195911.3
196412
196822
196932
197022.7
197552.7
197612.7
First to last qualifying date each year at Blankastrom For each year, a bar from the first to the last day at Blankastrom meeting 30 C (86 F). 1945: 16 July 1945 to 18 July 19451947: 31 May 1947 to 1 July 19471948: 28 July 1948 to 1 August 19481949: 11 July 1949 to 11 July 19491950: 7 June 1950 to 8 June 19501954: 21 June 1954 to 21 June 19541959: 9 July 1959 to 9 July 19591964: 27 August 1964 to 27 August 19641968: 14 June 1968 to 18 June 19681969: 16 July 1969 to 24 July 19691970: 19 June 1970 to 20 June 19701975: 6 August 1975 to 11 August 19751976: 26 June 1976 to 26 June 19761945194819501959196819701976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Blankastrom meeting 30 C (86 F).
First to last qualifying date each year at Blankastrom
YearFirst dateLast date
19451945-07-161945-07-18
19471947-05-311947-07-01
19481948-07-281948-08-01
19491949-07-111949-07-11
19501950-06-071950-06-08
19541954-06-211954-06-21
19591959-07-091959-07-09
19641964-08-271964-08-27
19681968-06-141968-06-18
19691969-07-161969-07-24
19701970-06-191970-06-20
19751975-08-061975-08-11
19761976-06-261976-06-26

Every Fixed Threshold

Fixed thresholds at Blankastrom
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days13519471
90 F (32.2 C): Days2319753
0 C (32 F): Ice days (max3279194751
0 C (32 F): Frost days (min321781956152
-10 C (14 F): Days with min3260196338
-20 C (-4 F): Days with min242019473
-30 C (-22 F): Days with min2219562
10 mm (0.39 in): Days with 10 mm or more rain3320196011
25 mm (0.98 in): Days with 25 mm or more rain25319451

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 Blankastrom 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).