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

Alvdalen Threshold Days by Year (SWE00139580)

3 fixed thresholds counted per year at Alvdalen (SWE00139580): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alvdalen Thresholds

  • Alvdalen: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1950 with 29.
  • Alvdalen: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1960 with 5.
  • Alvdalen: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1950 with 1.
  • 3 fixed thresholds have at least one qualifying day at Alvdalen.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Alvdalen Days per year at Alvdalen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1950. 01020301945: 131946: 201947: 61948: 121949: 141950: 291951: 121952: 171953: 181954: 141955: 121956: 91957: 191958: 171959: 171960: 121961: 161962: 111963: 121964: 121965: 191966: 201967: 161968: 81969: 91970: 161971: 71972: 101973: 131945194819511954195719601963196619691972
Days per year at Alvdalen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Alvdalen
YearDaysDecade average
19451313
19462013
1947613
19481213
19491413
19502916.4
19511216.4
19521716.4
19531816.4
19541416.4
19551216.4
1956916.4
19571916.4
19581716.4
19591716.4
19601213.5
19611613.5
19621113.5
19631213.5
19641213.5
19651913.5
19662013.5
19671613.5
1968813.5
1969913.5
19701611.5
1971711.5
19721011.5
19731311.5
First to last qualifying date each year at Alvdalen For each year, a bar from the first to the last day at Alvdalen meeting 10 mm (0.39 in). 1945: 7 February 1945 to 17 December 19451946: 10 January 1946 to 8 December 19461947: 7 January 1947 to 10 July 19471948: 26 January 1948 to 18 October 19481949: 17 January 1949 to 29 December 19491950: 15 January 1950 to 30 November 19501951: 21 February 1951 to 25 December 19511952: 7 April 1952 to 28 October 19521953: 31 January 1953 to 3 December 19531954: 7 June 1954 to 12 December 19541955: 29 January 1955 to 17 December 19551956: 8 June 1956 to 28 September 19561957: 6 June 1957 to 26 November 19571958: 18 January 1958 to 14 November 19581959: 2 January 1959 to 20 December 19591960: 29 May 1960 to 10 October 19601961: 6 February 1961 to 30 December 19611962: 31 March 1962 to 11 December 19621963: 12 April 1963 to 18 November 19631964: 29 April 1964 to 24 October 19641965: 11 January 1965 to 26 December 19651966: 29 January 1966 to 17 December 19661967: 18 May 1967 to 21 December 19671968: 5 May 1968 to 29 October 19681969: 1 July 1969 to 22 September 19691970: 1 June 1970 to 19 November 19701971: 31 January 1971 to 24 September 19711972: 7 June 1972 to 10 September 19721973: 5 May 1973 to 18 November 197319451949195319571961196519691973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alvdalen meeting 10 mm (0.39 in).
First to last qualifying date each year at Alvdalen
YearFirst dateLast date
19451945-02-071945-12-17
19461946-01-101946-12-08
19471947-01-071947-07-10
19481948-01-261948-10-18
19491949-01-171949-12-29
19501950-01-151950-11-30
19511951-02-211951-12-25
19521952-04-071952-10-28
19531953-01-311953-12-03
19541954-06-071954-12-12
19551955-01-291955-12-17
19561956-06-081956-09-28
19571957-06-061957-11-26
19581958-01-181958-11-14
19591959-01-021959-12-20
19601960-05-291960-10-10
19611961-02-061961-12-30
19621962-03-311962-12-11
19631963-04-121963-11-18
19641964-04-291964-10-24
19651965-01-111965-12-26
19661966-01-291966-12-17
19671967-05-181967-12-21
19681968-05-051968-10-29
19691969-07-011969-09-22
19701970-06-011970-11-19
19711971-01-311971-09-24
19721972-06-071972-09-10
19731973-05-051973-11-18

Every Fixed Threshold

Fixed thresholds at Alvdalen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2929195013
25 mm (0.98 in): Days with 25 mm or more rain18519604
50 mm (1.97 in): Days with 50 mm or more rain2119501

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 Alvdalen 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).