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

Tomta Threshold Days by Year (SWE00139124)

3 fixed thresholds counted per year at Tomta (SWE00139124): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tomta Thresholds

  • Tomta: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1960 with 21.
  • Tomta: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1960 with 4.
  • Tomta: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1948 with 2.
  • 3 fixed thresholds have at least one qualifying day at Tomta.
31 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tomta Days per year at Tomta with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1960. 01020301945: 181947: 91948: 131949: 201951: 91952: 131953: 161954: 201955: 61956: 121957: 201958: 171959: 111960: 211961: 131962: 111963: 111964: 101965: 161966: 151967: 201968: 141969: 151970: 111971: 81972: 91973: 131974: 161975: 91976: 91977: 1819451951195519591963196719711975
Days per year at Tomta with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1960.
Days with 10 mm (0.39 in) or more of precipitation per year at Tomta
YearDaysDecade average
19451815
1947915
19481315
19492015
1951913.8
19521313.8
19531613.8
19542013.8
1955613.8
19561213.8
19572013.8
19581713.8
19591113.8
19602114.6
19611314.6
19621114.6
19631114.6
19641014.6
19651614.6
19661514.6
19672014.6
19681414.6
19691514.6
19701111.6
1971811.6
1972911.6
19731311.6
19741611.6
1975911.6
1976911.6
19771811.6
First to last qualifying date each year at Tomta For each year, a bar from the first to the last day at Tomta meeting 10 mm (0.39 in). 1945: 3 January 1945 to 15 December 19451947: 25 March 1947 to 30 November 19471948: 6 January 1948 to 14 December 19481949: 1 January 1949 to 29 December 19491951: 3 January 1951 to 18 September 19511952: 25 April 1952 to 28 December 19521953: 31 January 1953 to 15 October 19531954: 3 January 1954 to 11 December 19541955: 30 January 1955 to 28 December 19551956: 13 January 1956 to 21 December 19561957: 30 January 1957 to 10 December 19571958: 28 April 1958 to 26 December 19581959: 4 January 1959 to 20 December 19591960: 5 January 1960 to 22 December 19601961: 5 May 1961 to 3 November 19611962: 21 January 1962 to 26 October 19621963: 26 June 1963 to 12 November 19631964: 13 May 1964 to 13 December 19641965: 21 January 1965 to 10 December 19651966: 30 January 1966 to 17 December 19661967: 31 January 1967 to 17 October 19671968: 25 January 1968 to 1 November 19681969: 13 January 1969 to 8 November 19691970: 1 January 1970 to 20 November 19701971: 16 June 1971 to 5 November 19711972: 28 March 1972 to 22 November 19721973: 12 February 1973 to 16 December 19731974: 13 January 1974 to 16 November 19741975: 12 May 1975 to 2 December 19751976: 15 June 1976 to 9 December 19761977: 19 February 1977 to 23 November 197719451951195519591963196719711975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tomta meeting 10 mm (0.39 in).
First to last qualifying date each year at Tomta
YearFirst dateLast date
19451945-01-031945-12-15
19471947-03-251947-11-30
19481948-01-061948-12-14
19491949-01-011949-12-29
19511951-01-031951-09-18
19521952-04-251952-12-28
19531953-01-311953-10-15
19541954-01-031954-12-11
19551955-01-301955-12-28
19561956-01-131956-12-21
19571957-01-301957-12-10
19581958-04-281958-12-26
19591959-01-041959-12-20
19601960-01-051960-12-22
19611961-05-051961-11-03
19621962-01-211962-10-26
19631963-06-261963-11-12
19641964-05-131964-12-13
19651965-01-211965-12-10
19661966-01-301966-12-17
19671967-01-311967-10-17
19681968-01-251968-11-01
19691969-01-131969-11-08
19701970-01-011970-11-20
19711971-06-161971-11-05
19721972-03-281972-11-22
19731973-02-121973-12-16
19741974-01-131974-11-16
19751975-05-121975-12-02
19761976-06-151976-12-09
19771977-02-191977-11-23

Every Fixed Threshold

Fixed thresholds at Tomta
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3121196018
25 mm (0.98 in): Days with 25 mm or more rain27419603
50 mm (1.97 in): Days with 50 mm or more rain8219481

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 Tomta 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).