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Built 2026-10-19 (19 October 2026)

Canton Threshold Days by Year (USC00341445)

18 fixed thresholds counted per year at Canton (USC00341445): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Canton Thresholds

  • Canton: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1957 with 33.
  • Canton: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1959 with 16.
  • Canton: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1959 with 6.
  • Canton: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1956 with 159.
  • 18 fixed thresholds have at least one qualifying day at Canton.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Canton Days per year at Canton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 159 in 1956. 0501001502001944: 1021945: 931947: 1111950: 981951: 1101952: 1301953: 1291954: 1411955: 1241956: 1591957: 941958: 1161959: 1231960: 1101961: 961962: 1271963: 1451964: 1201965: 1121966: 1071967: 1071968: 1011969: 1041970: 1221971: 1291972: 1361982: 901992: 641993: 891994: 1001995: 831996: 811999: 1002000: 1162001: 107194419511955195919631967197119931999
Days per year at Canton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 159 in 1956.
Days at or above 30 C (86 F) per year at Canton
YearDaysDecade average
1944102102
194593102
1947111102
195098122.4
1951110122.4
1952130122.4
1953129122.4
1954141122.4
1955124122.4
1956159122.4
195794122.4
1958116122.4
1959123122.4
1960110112.9
196196112.9
1962127112.9
1963145112.9
1964120112.9
1965112112.9
1966107112.9
1967107112.9
1968101112.9
1969104112.9
1970122129
1971129129
1972136129
19829090
19926486.2
19938986.2
199410086.2
19958386.2
19968186.2
199910086.2
2000116111.5
2001107111.5
First to last qualifying date each year at Canton For each year, a bar from the first to the last day at Canton meeting 30 C (86 F). 1944: 15 May 1944 to 26 October 19441945: 14 May 1945 to 7 November 19451947: 30 April 1947 to 21 October 19471950: 25 March 1950 to 31 October 19501951: 22 March 1951 to 4 October 19511952: 7 April 1952 to 26 October 19521953: 20 March 1953 to 13 October 19531954: 24 March 1954 to 19 October 19541955: 3 March 1955 to 24 December 19551956: 5 March 1956 to 12 October 19561957: 6 June 1957 to 6 October 19571958: 23 April 1958 to 20 October 19581959: 24 March 1959 to 28 September 19591960: 31 March 1960 to 11 October 19601961: 19 April 1961 to 29 September 19611962: 11 February 1962 to 15 October 19621963: 28 March 1963 to 18 October 19631964: 23 April 1964 to 21 October 19641965: 21 April 1965 to 11 October 19651966: 31 March 1966 to 14 October 19661967: 10 March 1967 to 7 October 19671968: 1 May 1968 to 30 October 19681969: 8 April 1969 to 3 October 19691970: 27 April 1970 to 7 October 19701971: 13 March 1971 to 12 October 19711972: 26 March 1972 to 14 October 19721982: 13 April 1982 to 19 October 19821992: 1 May 1992 to 14 October 19921993: 31 May 1993 to 7 October 19931994: 18 March 1994 to 3 October 19941995: 23 March 1995 to 23 October 19951996: 23 February 1996 to 25 September 19961999: 21 April 1999 to 27 October 19992000: 6 April 2000 to 4 October 20002001: 2 May 2001 to 5 October 20011944195219571962196719721995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Canton meeting 30 C (86 F).
First to last qualifying date each year at Canton
YearFirst dateLast date
19441944-05-151944-10-26
19451945-05-141945-11-07
19471947-04-301947-10-21
19501950-03-251950-10-31
19511951-03-221951-10-04
19521952-04-071952-10-26
19531953-03-201953-10-13
19541954-03-241954-10-19
19551955-03-031955-12-24
19561956-03-051956-10-12
19571957-06-061957-10-06
19581958-04-231958-10-20
19591959-03-241959-09-28
19601960-03-311960-10-11
19611961-04-191961-09-29
19621962-02-111962-10-15
19631963-03-281963-10-18
19641964-04-231964-10-21
19651965-04-211965-10-11
19661966-03-311966-10-14
19671967-03-101967-10-07
19681968-05-011968-10-30
19691969-04-081969-10-03
19701970-04-271970-10-07
19711971-03-131971-10-12
19721972-03-261972-10-14
19821982-04-131982-10-19
19921992-05-011992-10-14
19931993-05-311993-10-07
19941994-03-181994-10-03
19951995-03-231995-10-23
19961996-02-231996-09-25
19991999-04-211999-10-27
20002000-04-062000-10-04
20012001-05-022001-10-05

Every Fixed Threshold

Fixed thresholds at Canton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days351591956107
35 C (95 F): Days3598195656
40 C (104 F): Days2723197010
45 C (113 F): Days1119641
90 F (32.2 C): Days35133195687
100 F (37.8 C): Days3360195635
110 F (43.3 C): Days5419641
0 C (32 F): Ice days (max3520199613
0 C (32 F): Frost days (min35119194591
-10 C (14 F): Days with min352819639
-20 C (-4 F): Days with min6319593
20 C (68 F): Tropical nights (min3597195469
25 C (77 F): Days with min2824195413
10 mm (0.39 in): Days with 10 mm or more rain4833195719
25 mm (0.98 in): Days with 25 mm or more rain471619598
50 mm (1.97 in): Days with 50 mm or more rain39619592
100 mm (3.94 in): Days with 100 mm or more rain7119551
10 cm (3.9 in): Days with 10 cm or more snowfall7119561

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Canton 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).