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

Willmar Threshold Days by Year (CA004018960)

5 fixed thresholds counted per year at Willmar (CA004018960): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Willmar Thresholds

  • Willmar: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1975 with 24.
  • Willmar: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1978 with 5.
  • Willmar: days with 10 cm (3.9 in) or more of snowfall in 29 years, most in 1975 with 6.
  • Willmar: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1949 with 2.
  • 5 fixed thresholds have at least one qualifying day at Willmar.
33 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Willmar Days per year at Willmar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1975. 01020301949: 91950: 141951: 101952: 141953: 181954: 111955: 131956: 111957: 101958: 61959: 91960: 101962: 141963: 161965: 171966: 61967: 111968: 111969: 171970: 131971: 161972: 111973: 151974: 91975: 241976: 121977: 91978: 151979: 101980: 121981: 151982: 131983: 12194919531957196219671971197519791983
Days per year at Willmar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1975.
Days with 10 mm (0.39 in) or more of precipitation per year at Willmar
YearDaysDecade average
194999
19501411.6
19511011.6
19521411.6
19531811.6
19541111.6
19551311.6
19561111.6
19571011.6
1958611.6
1959911.6
19601012.8
19621412.8
19631612.8
19651712.8
1966612.8
19671112.8
19681112.8
19691712.8
19701313.4
19711613.4
19721113.4
19731513.4
1974913.4
19752413.4
19761213.4
1977913.4
19781513.4
19791013.4
19801213
19811513
19821313
19831213
First to last qualifying date each year at Willmar For each year, a bar from the first to the last day at Willmar meeting 10 mm (0.39 in). 1949: 1 June 1949 to 10 December 19491950: 1 April 1950 to 8 September 19501951: 25 February 1951 to 30 August 19511952: 13 January 1952 to 31 August 19521953: 8 May 1953 to 21 October 19531954: 20 April 1954 to 23 October 19541955: 22 March 1955 to 30 October 19551956: 27 January 1956 to 5 November 19561957: 1 May 1957 to 22 October 19571958: 26 February 1958 to 21 October 19581959: 29 March 1959 to 21 September 19591960: 17 May 1960 to 2 August 19601962: 14 February 1962 to 15 October 19621963: 16 April 1963 to 25 August 19631965: 24 January 1965 to 19 November 19651966: 7 February 1966 to 21 August 19661967: 4 February 1967 to 17 December 19671968: 6 May 1968 to 16 November 19681969: 4 January 1969 to 7 December 19691970: 27 January 1970 to 6 October 19701971: 8 January 1971 to 30 October 19711972: 16 February 1972 to 29 December 19721973: 11 February 1973 to 7 December 19731974: 13 March 1974 to 22 December 19741975: 26 March 1975 to 30 December 19751976: 24 January 1976 to 30 December 19761977: 4 May 1977 to 16 December 19771978: 18 May 1978 to 12 November 19781979: 22 February 1979 to 19 October 19791980: 7 April 1980 to 21 September 19801981: 23 May 1981 to 2 December 19811982: 7 March 1982 to 27 October 19821983: 6 March 1983 to 10 December 19831949195419591966197119761981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Willmar meeting 10 mm (0.39 in).
First to last qualifying date each year at Willmar
YearFirst dateLast date
19491949-06-011949-12-10
19501950-04-011950-09-08
19511951-02-251951-08-30
19521952-01-131952-08-31
19531953-05-081953-10-21
19541954-04-201954-10-23
19551955-03-221955-10-30
19561956-01-271956-11-05
19571957-05-011957-10-22
19581958-02-261958-10-21
19591959-03-291959-09-21
19601960-05-171960-08-02
19621962-02-141962-10-15
19631963-04-161963-08-25
19651965-01-241965-11-19
19661966-02-071966-08-21
19671967-02-041967-12-17
19681968-05-061968-11-16
19691969-01-041969-12-07
19701970-01-271970-10-06
19711971-01-081971-10-30
19721972-02-161972-12-29
19731973-02-111973-12-07
19741974-03-131974-12-22
19751975-03-261975-12-30
19761976-01-241976-12-30
19771977-05-041977-12-16
19781978-05-181978-11-12
19791979-02-221979-10-19
19801980-04-071980-09-21
19811981-05-231981-12-02
19821982-03-071982-10-27
19831983-03-061983-12-10

Every Fixed Threshold

Fixed thresholds at Willmar
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3324197512
25 mm (0.98 in): Days with 25 mm or more rain31519781
50 mm (1.97 in): Days with 50 mm or more rain7219491
10 cm (3.9 in): Days with 10 cm or more snowfall29619753
25 cm (9.8 in): Days with 25 cm or more snowfall2119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Willmar 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).