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Built 2026-10-19 (19 October 2026)

Chillicothe Threshold Days by Year (USC00111627)

6 fixed thresholds counted per year at Chillicothe (USC00111627): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chillicothe Thresholds

  • Chillicothe: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 2009 with 44.
  • Chillicothe: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1970 with 20.
  • Chillicothe: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 1970 with 7.
  • Chillicothe: days with 10 cm (3.9 in) or more of snowfall in 42 years, most in 1979 with 4.
  • 6 fixed thresholds have at least one qualifying day at Chillicothe.
66 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Chillicothe Days per year at Chillicothe with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 2009. 02040601941: 351942: 301943: 251944: 281945: 371946: 271947: 281948: 311949: 211950: 261951: 341952: 301953: 191954: 331955: 281956: 151957: 331958: 211959: 271960: 291961: 301962: 201963: 231964: 221965: 301966: 291967: 321968: 231969: 221970: 421971: 191973: 381974: 301975: 321976: 261977: 321978: 281979: 291980: 291981: 351982: 301983: 321985: 401986: 261987: 301988: 201989: 271990: 371991: 331992: 291993: 371994: 271995: 361996: 311997: 261998: 291999: 202000: 302001: 302002: 242003: 202004: 322005: 172006: 352007: 362009: 441941194819551962196919771985199219992006
Days per year at Chillicothe with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 2009.
Days with 10 mm (0.39 in) or more of precipitation per year at Chillicothe
YearDaysDecade average
19413529.1
19423029.1
19432529.1
19442829.1
19453729.1
19462729.1
19472829.1
19483129.1
19492129.1
19502626.6
19513426.6
19523026.6
19531926.6
19543326.6
19552826.6
19561526.6
19573326.6
19582126.6
19592726.6
19602926
19613026
19622026
19632326
19642226
19653026
19662926
19673226
19682326
19692226
19704230.7
19711930.7
19733830.7
19743030.7
19753230.7
19762630.7
19773230.7
19782830.7
19792930.7
19802929.9
19813529.9
19823029.9
19833229.9
19854029.9
19862629.9
19873029.9
19882029.9
19892729.9
19903730.5
19913330.5
19922930.5
19933730.5
19942730.5
19953630.5
19963130.5
19972630.5
19982930.5
19992030.5
20003029.8
20013029.8
20022429.8
20032029.8
20043229.8
20051729.8
20063529.8
20073629.8
20094429.8
First to last qualifying date each year at Chillicothe For each year, a bar from the first to the last day at Chillicothe meeting 10 mm (0.39 in). 1941: 2 January 1941 to 19 November 19411942: 31 January 1942 to 27 December 19421943: 18 January 1943 to 7 November 19431944: 10 February 1944 to 5 December 19441945: 15 January 1945 to 24 December 19451946: 5 January 1946 to 12 December 19461947: 30 January 1947 to 7 December 19471948: 1 January 1948 to 29 December 19481949: 10 January 1949 to 26 December 19491950: 3 January 1950 to 20 November 19501951: 2 January 1951 to 14 December 19511952: 19 January 1952 to 20 December 19521953: 11 February 1953 to 3 December 19531954: 27 January 1954 to 30 December 19541955: 5 January 1955 to 29 October 19551956: 24 February 1956 to 15 November 19561957: 22 January 1957 to 31 December 19571958: 21 January 1958 to 15 November 19581959: 21 January 1959 to 28 December 19591960: 12 January 1960 to 16 November 19601961: 3 February 1961 to 23 December 19611962: 7 January 1962 to 16 November 19621963: 4 March 1963 to 23 November 19631964: 20 January 1964 to 4 December 19641965: 1 January 1965 to 25 December 19651966: 14 January 1966 to 27 December 19661967: 27 January 1967 to 21 December 19671968: 29 January 1968 to 28 December 19681969: 24 March 1969 to 7 December 19691970: 9 February 1970 to 11 December 19701971: 20 February 1971 to 15 December 19711973: 4 January 1973 to 19 December 19731974: 9 January 1974 to 11 November 19741975: 10 January 1975 to 30 December 19751976: 17 February 1976 to 27 November 19761977: 24 February 1977 to 1 December 19771978: 25 March 1978 to 31 December 19781979: 1 January 1979 to 25 December 19791980: 15 February 1980 to 8 December 19801981: 22 February 1981 to 2 November 19811982: 3 January 1982 to 25 December 19821983: 2 February 1983 to 12 December 19831985: 1 January 1985 to 11 December 19851986: 4 February 1986 to 8 December 19861987: 5 January 1987 to 28 December 19871988: 20 January 1988 to 28 December 19881989: 6 January 1989 to 15 November 19891990: 25 January 1990 to 29 December 19901991: 5 January 1991 to 23 December 19911992: 14 January 1992 to 30 December 19921993: 4 January 1993 to 14 December 19931994: 20 February 1994 to 16 December 19941995: 14 January 1995 to 11 November 19951996: 27 January 1996 to 3 December 19961997: 21 February 1997 to 25 December 19971998: 8 January 1998 to 7 December 19981999: 2 January 1999 to 5 December 19992000: 20 January 2000 to 12 December 20002001: 28 January 2001 to 24 November 20012002: 30 January 2002 to 19 December 20022003: 15 February 2003 to 10 December 20032004: 5 March 2004 to 7 December 20042005: 2 January 2005 to 28 November 20052006: 3 January 2006 to 21 December 20062007: 5 January 2007 to 12 December 20072009: 27 February 2009 to 25 December 200919411950195919681978198819972006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chillicothe meeting 10 mm (0.39 in).
First to last qualifying date each year at Chillicothe
YearFirst dateLast date
19411941-01-021941-11-19
19421942-01-311942-12-27
19431943-01-181943-11-07
19441944-02-101944-12-05
19451945-01-151945-12-24
19461946-01-051946-12-12
19471947-01-301947-12-07
19481948-01-011948-12-29
19491949-01-101949-12-26
19501950-01-031950-11-20
19511951-01-021951-12-14
19521952-01-191952-12-20
19531953-02-111953-12-03
19541954-01-271954-12-30
19551955-01-051955-10-29
19561956-02-241956-11-15
19571957-01-221957-12-31
19581958-01-211958-11-15
19591959-01-211959-12-28
19601960-01-121960-11-16
19611961-02-031961-12-23
19621962-01-071962-11-16
19631963-03-041963-11-23
19641964-01-201964-12-04
19651965-01-011965-12-25
19661966-01-141966-12-27
19671967-01-271967-12-21
19681968-01-291968-12-28
19691969-03-241969-12-07
19701970-02-091970-12-11
19711971-02-201971-12-15
19731973-01-041973-12-19
19741974-01-091974-11-11
19751975-01-101975-12-30
19761976-02-171976-11-27
19771977-02-241977-12-01
19781978-03-251978-12-31
19791979-01-011979-12-25
19801980-02-151980-12-08
19811981-02-221981-11-02
19821982-01-031982-12-25
19831983-02-021983-12-12
19851985-01-011985-12-11
19861986-02-041986-12-08
19871987-01-051987-12-28
19881988-01-201988-12-28
19891989-01-061989-11-15
19901990-01-251990-12-29
19911991-01-051991-12-23
19921992-01-141992-12-30
19931993-01-041993-12-14
19941994-02-201994-12-16
19951995-01-141995-11-11
19961996-01-271996-12-03
19971997-02-211997-12-25
19981998-01-081998-12-07
19991999-01-021999-12-05
20002000-01-202000-12-12
20012001-01-282001-11-24
20022002-01-302002-12-19
20032003-02-152003-12-10
20042004-03-052004-12-07
20052005-01-022005-11-28
20062006-01-032006-12-21
20072007-01-052007-12-12
20092009-02-272009-12-25

Every Fixed Threshold

Fixed thresholds at Chillicothe
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6644200944
25 mm (0.98 in): Days with 25 mm or more rain6620197016
50 mm (1.97 in): Days with 50 mm or more rain54719702
100 mm (3.94 in): Days with 100 mm or more rain7119511
10 cm (3.9 in): Days with 10 cm or more snowfall42419792
25 cm (9.8 in): Days with 25 cm or more snowfall2119971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Chillicothe 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).