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Built 2026-10-19 (19 October 2026)

Shelbyville Threshold Days by Year (USC00237728)

6 fixed thresholds counted per year at Shelbyville (USC00237728): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shelbyville Thresholds

  • Shelbyville: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1969 with 42.
  • Shelbyville: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1942 with 18.
  • Shelbyville: days with 10 cm (3.9 in) or more of snowfall in 36 years, most in 1960 with 6.
  • Shelbyville: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1965 with 5.
  • 6 fixed thresholds have at least one qualifying day at Shelbyville.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Shelbyville Days per year at Shelbyville with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1969. 02040601933: 231934: 291935: 401936: 241937: 261938: 281939: 331940: 251941: 401942: 391943: 351944: 321945: 361946: 381947: 371948: 241949: 391950: 271951: 331952: 251953: 281954: 291955: 251956: 201957: 311958: 281959: 321960: 271961: 401962: 251963: 221964: 291965: 301966: 291967: 351968: 301969: 421970: 381971: 271972: 291933193719411945194919531957196119651969
Days per year at Shelbyville with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1969.
Days with 10 mm (0.39 in) or more of precipitation per year at Shelbyville
YearDaysDecade average
19332329
19342929
19354029
19362429
19372629
19382829
19393329
19402534.5
19414034.5
19423934.5
19433534.5
19443234.5
19453634.5
19463834.5
19473734.5
19482434.5
19493934.5
19502727.8
19513327.8
19522527.8
19532827.8
19542927.8
19552527.8
19562027.8
19573127.8
19582827.8
19593227.8
19602730.9
19614030.9
19622530.9
19632230.9
19642930.9
19653030.9
19662930.9
19673530.9
19683030.9
19694230.9
19703831.3
19712731.3
19722931.3
First to last qualifying date each year at Shelbyville For each year, a bar from the first to the last day at Shelbyville meeting 10 mm (0.39 in). 1933: 18 January 1933 to 20 December 19331934: 26 February 1934 to 19 December 19341935: 8 January 1935 to 15 December 19351936: 25 January 1936 to 31 December 19361937: 8 January 1937 to 15 December 19371938: 24 January 1938 to 3 December 19381939: 10 February 1939 to 27 December 19391940: 3 March 1940 to 16 December 19401941: 1 January 1941 to 26 December 19411942: 5 February 1942 to 27 December 19421943: 3 February 1943 to 28 December 19431944: 28 January 1944 to 10 December 19441945: 22 February 1945 to 25 December 19451946: 5 January 1946 to 13 December 19461947: 30 January 1947 to 7 December 19471948: 1 January 1948 to 24 December 19481949: 10 January 1949 to 31 December 19491950: 2 January 1950 to 20 November 19501951: 3 January 1951 to 12 November 19511952: 3 March 1952 to 20 December 19521953: 23 January 1953 to 4 October 19531954: 16 February 1954 to 27 December 19541955: 5 January 1955 to 5 October 19551956: 28 April 1956 to 5 December 19561957: 22 January 1957 to 25 December 19571958: 21 January 1958 to 31 December 19581959: 9 February 1959 to 27 December 19591960: 12 January 1960 to 11 December 19601961: 3 February 1961 to 22 November 19611962: 4 January 1962 to 16 November 19621963: 4 March 1963 to 21 November 19631964: 31 January 1964 to 28 November 19641965: 1 January 1965 to 24 December 19651966: 11 March 1966 to 8 December 19661967: 20 March 1967 to 2 December 19671968: 1 February 1968 to 27 December 19681969: 15 January 1969 to 7 December 19691970: 2 March 1970 to 16 December 19701971: 3 January 1971 to 30 December 19711972: 12 February 1972 to 12 December 197219331938194319481953195819631968JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Shelbyville meeting 10 mm (0.39 in).
First to last qualifying date each year at Shelbyville
YearFirst dateLast date
19331933-01-181933-12-20
19341934-02-261934-12-19
19351935-01-081935-12-15
19361936-01-251936-12-31
19371937-01-081937-12-15
19381938-01-241938-12-03
19391939-02-101939-12-27
19401940-03-031940-12-16
19411941-01-011941-12-26
19421942-02-051942-12-27
19431943-02-031943-12-28
19441944-01-281944-12-10
19451945-02-221945-12-25
19461946-01-051946-12-13
19471947-01-301947-12-07
19481948-01-011948-12-24
19491949-01-101949-12-31
19501950-01-021950-11-20
19511951-01-031951-11-12
19521952-03-031952-12-20
19531953-01-231953-10-04
19541954-02-161954-12-27
19551955-01-051955-10-05
19561956-04-281956-12-05
19571957-01-221957-12-25
19581958-01-211958-12-31
19591959-02-091959-12-27
19601960-01-121960-12-11
19611961-02-031961-11-22
19621962-01-041962-11-16
19631963-03-041963-11-21
19641964-01-311964-11-28
19651965-01-011965-12-24
19661966-03-111966-12-08
19671967-03-201967-12-02
19681968-02-011968-12-27
19691969-01-151969-12-07
19701970-03-021970-12-16
19711971-01-031971-12-30
19721972-02-121972-12-12

Every Fixed Threshold

Fixed thresholds at Shelbyville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4042196929
25 mm (0.98 in): Days with 25 mm or more rain4018194214
50 mm (1.97 in): Days with 50 mm or more rain33519651
100 mm (3.94 in): Days with 100 mm or more rain5119471
10 cm (3.9 in): Days with 10 cm or more snowfall36619602
25 cm (9.8 in): Days with 25 cm or more snowfall3119351

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

  • Data for Shelbyville 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).