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

Leknas Threshold Days by Year (SWE00139258)

4 fixed thresholds counted per year at Leknas (SWE00139258): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Leknas Thresholds

  • Leknas: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1957 with 22.
  • Leknas: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1945 with 4.
  • Leknas: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1949 with 1.
  • Leknas: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1981 with 1.
  • 4 fixed thresholds have at least one qualifying day at Leknas.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Leknas Days per year at Leknas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1957. 01020301945: 161947: 61948: 141949: 201950: 151954: 201956: 141957: 221958: 131959: 111960: 221961: 131962: 121963: 151964: 101965: 151966: 121967: 171968: 121969: 151970: 131971: 101972: 131973: 151974: 101975: 101976: 121977: 201978: 101979: 201980: 131981: 1719451950195819621966197019741978
Days per year at Leknas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1957.
Days with 10 mm (0.39 in) or more of precipitation per year at Leknas
YearDaysDecade average
19451614
1947614
19481414
19492014
19501515.8
19542015.8
19561415.8
19572215.8
19581315.8
19591115.8
19602214.3
19611314.3
19621214.3
19631514.3
19641014.3
19651514.3
19661214.3
19671714.3
19681214.3
19691514.3
19701313.3
19711013.3
19721313.3
19731513.3
19741013.3
19751013.3
19761213.3
19772013.3
19781013.3
19792013.3
19801315
19811715
First to last qualifying date each year at Leknas For each year, a bar from the first to the last day at Leknas meeting 10 mm (0.39 in). 1945: 20 March 1945 to 15 December 19451947: 21 March 1947 to 30 November 19471948: 28 January 1948 to 1 September 19481949: 7 January 1949 to 26 December 19491950: 14 January 1950 to 24 December 19501954: 19 January 1954 to 12 December 19541956: 12 June 1956 to 25 November 19561957: 6 January 1957 to 26 November 19571958: 7 May 1958 to 26 December 19581959: 3 January 1959 to 31 October 19591960: 5 January 1960 to 8 December 19601961: 5 May 1961 to 18 October 19611962: 21 January 1962 to 26 October 19621963: 12 April 1963 to 18 November 19631964: 3 June 1964 to 13 December 19641965: 21 January 1965 to 25 December 19651966: 29 January 1966 to 11 December 19661967: 31 January 1967 to 4 December 19671968: 25 January 1968 to 2 November 19681969: 13 January 1969 to 10 November 19691970: 1 January 1970 to 20 November 19701971: 22 January 1971 to 7 December 19711972: 28 March 1972 to 21 October 19721973: 27 January 1973 to 22 November 19731974: 13 January 1974 to 16 November 19741975: 16 January 1975 to 2 December 19751976: 5 January 1976 to 3 December 19761977: 10 January 1977 to 24 December 19771978: 5 March 1978 to 1 December 19781979: 12 January 1979 to 26 November 19791980: 1 June 1980 to 20 December 19801981: 7 March 1981 to 27 November 198119451950195819621966197019741978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Leknas meeting 10 mm (0.39 in).
First to last qualifying date each year at Leknas
YearFirst dateLast date
19451945-03-201945-12-15
19471947-03-211947-11-30
19481948-01-281948-09-01
19491949-01-071949-12-26
19501950-01-141950-12-24
19541954-01-191954-12-12
19561956-06-121956-11-25
19571957-01-061957-11-26
19581958-05-071958-12-26
19591959-01-031959-10-31
19601960-01-051960-12-08
19611961-05-051961-10-18
19621962-01-211962-10-26
19631963-04-121963-11-18
19641964-06-031964-12-13
19651965-01-211965-12-25
19661966-01-291966-12-11
19671967-01-311967-12-04
19681968-01-251968-11-02
19691969-01-131969-11-10
19701970-01-011970-11-20
19711971-01-221971-12-07
19721972-03-281972-10-21
19731973-01-271973-11-22
19741974-01-131974-11-16
19751975-01-161975-12-02
19761976-01-051976-12-03
19771977-01-101977-12-24
19781978-03-051978-12-01
19791979-01-121979-11-26
19801980-06-011980-12-20
19811981-03-071981-11-27

Every Fixed Threshold

Fixed thresholds at Leknas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3222195717
25 mm (0.98 in): Days with 25 mm or more rain23419452
50 mm (1.97 in): Days with 50 mm or more rain6119491
100 mm (3.94 in): Days with 100 mm or more rain1119811

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 Leknas 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).