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

Wilson 4 S Threshold Days by Year (USC00309507)

4 fixed thresholds counted per year at Wilson 4 S (USC00309507): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wilson 4 S Thresholds

  • Wilson 4 S: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1986 with 41.
  • Wilson 4 S: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1994 with 10.
  • Wilson 4 S: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1942 with 2.
  • Wilson 4 S: days with 10 cm (3.9 in) or more of snowfall in 8 years, most in 1959 with 6.
  • 4 fixed thresholds have at least one qualifying day at Wilson 4 S.
51 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wilson 4 S Days per year at Wilson 4 S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1986. 02040601942: 261943: 221944: 201945: 261946: 231947: 201948: 241949: 211950: 231951: 281952: 241953: 221954: 321955: 251956: 261957: 181958: 211959: 211960: 181961: 201962: 231963: 121964: 201966: 191967: 181968: 201969: 221970: 251971: 241972: 251973: 321974: 241975: 251976: 321977: 281978: 231979: 291980: 251981: 321982: 211983: 291984: 231985: 271986: 411987: 311988: 161990: 281993: 291994: 281995: 231996: 31194219481954196019671973197919851994
Days per year at Wilson 4 S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1986.
Days with 10 mm (0.39 in) or more of precipitation per year at Wilson 4 S
YearDaysDecade average
19422622.8
19432222.8
19442022.8
19452622.8
19462322.8
19472022.8
19482422.8
19492122.8
19502324
19512824
19522424
19532224
19543224
19552524
19562624
19571824
19582124
19592124
19601819.1
19612019.1
19622319.1
19631219.1
19642019.1
19661919.1
19671819.1
19682019.1
19692219.1
19702526.7
19712426.7
19722526.7
19733226.7
19742426.7
19752526.7
19763226.7
19772826.7
19782326.7
19792926.7
19802527.2
19813227.2
19822127.2
19832927.2
19842327.2
19852727.2
19864127.2
19873127.2
19881627.2
19902827.8
19932927.8
19942827.8
19952327.8
19963127.8
First to last qualifying date each year at Wilson 4 S For each year, a bar from the first to the last day at Wilson 4 S meeting 10 mm (0.39 in). 1942: 1 February 1942 to 31 December 19421943: 6 March 1943 to 29 October 19431944: 23 February 1944 to 13 December 19441945: 11 February 1945 to 26 December 19451946: 14 February 1946 to 28 December 19461947: 3 January 1947 to 16 December 19471948: 2 January 1948 to 31 December 19481949: 19 January 1949 to 27 December 19491950: 7 January 1950 to 30 November 19501951: 4 January 1951 to 26 December 19511952: 20 January 1952 to 11 December 19521953: 4 March 1953 to 15 December 19531954: 21 January 1954 to 30 December 19541955: 28 February 1955 to 4 December 19551956: 7 February 1956 to 7 December 19561957: 23 January 1957 to 21 December 19571958: 25 January 1958 to 16 November 19581959: 12 February 1959 to 28 December 19591960: 6 February 1960 to 1 November 19601961: 24 February 1961 to 5 December 19611962: 13 April 1962 to 8 December 19621963: 14 March 1963 to 30 November 19631964: 7 February 1964 to 25 December 19641966: 20 February 1966 to 11 December 19661967: 28 January 1967 to 11 December 19671968: 15 January 1968 to 29 December 19681969: 18 January 1969 to 11 December 19691970: 3 February 1970 to 26 December 19701971: 5 February 1971 to 16 December 19711972: 21 January 1972 to 13 December 19721973: 4 January 1973 to 27 December 19731974: 21 January 1974 to 3 December 19741975: 29 January 1975 to 26 December 19751976: 22 February 1976 to 27 November 19761977: 13 March 1977 to 19 December 19771978: 9 January 1978 to 25 December 19781979: 1 January 1979 to 26 December 19791980: 21 March 1980 to 3 December 19801981: 21 February 1981 to 23 December 19811982: 26 March 1982 to 16 December 19821983: 3 February 1983 to 29 December 19831984: 28 February 1984 to 30 December 19841985: 1 January 1985 to 26 November 19851986: 20 January 1986 to 25 December 19861987: 1 March 1987 to 20 December 19871988: 26 March 1988 to 28 December 19881990: 4 January 1990 to 30 December 19901993: 3 January 1993 to 17 December 19931994: 21 March 1994 to 11 December 19941995: 16 January 1995 to 11 December 19951996: 12 January 1996 to 22 December 199619421949195619631971197819851995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wilson 4 S meeting 10 mm (0.39 in).
First to last qualifying date each year at Wilson 4 S
YearFirst dateLast date
19421942-02-011942-12-31
19431943-03-061943-10-29
19441944-02-231944-12-13
19451945-02-111945-12-26
19461946-02-141946-12-28
19471947-01-031947-12-16
19481948-01-021948-12-31
19491949-01-191949-12-27
19501950-01-071950-11-30
19511951-01-041951-12-26
19521952-01-201952-12-11
19531953-03-041953-12-15
19541954-01-211954-12-30
19551955-02-281955-12-04
19561956-02-071956-12-07
19571957-01-231957-12-21
19581958-01-251958-11-16
19591959-02-121959-12-28
19601960-02-061960-11-01
19611961-02-241961-12-05
19621962-04-131962-12-08
19631963-03-141963-11-30
19641964-02-071964-12-25
19661966-02-201966-12-11
19671967-01-281967-12-11
19681968-01-151968-12-29
19691969-01-181969-12-11
19701970-02-031970-12-26
19711971-02-051971-12-16
19721972-01-211972-12-13
19731973-01-041973-12-27
19741974-01-211974-12-03
19751975-01-291975-12-26
19761976-02-221976-11-27
19771977-03-131977-12-19
19781978-01-091978-12-25
19791979-01-011979-12-26
19801980-03-211980-12-03
19811981-02-211981-12-23
19821982-03-261982-12-16
19831983-02-031983-12-29
19841984-02-281984-12-30
19851985-01-011985-11-26
19861986-01-201986-12-25
19871987-03-011987-12-20
19881988-03-261988-12-28
19901990-01-041990-12-30
19931993-01-031993-12-17
19941994-03-211994-12-11
19951995-01-161995-12-11
19961996-01-121996-12-22

Every Fixed Threshold

Fixed thresholds at Wilson 4 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5141198631
25 mm (0.98 in): Days with 25 mm or more rain511019947
50 mm (1.97 in): Days with 50 mm or more rain17219422
10 cm (3.9 in): Days with 10 cm or more snowfall8619591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Wilson 4 S 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).