Built 2026-10-19 (19 October 2026)

Kennebec Threshold Days by Year (USC00394516)

22 fixed thresholds counted per year at Kennebec (USC00394516): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kennebec Thresholds

  • Kennebec: nights with a minimum temperature at or below 0 C (32 F) in 121 years, most in 1970 with 190.
  • Kennebec: nights with a minimum temperature at or below -10 C (14 F) in 121 years, most in 1893 with 98.
  • Kennebec: nights with a minimum temperature at or below -20 C (-4 F) in 121 years, most in 1936 with 46.
  • Kennebec: nights with a minimum temperature at or above 20 C (68 F) in 121 years, most in 2002 with 33.
  • 22 fixed thresholds have at least one qualifying day at Kennebec.
119 years with a qualifying day
Days at or above 30 C (86 F) per year at Kennebec Days per year at Kennebec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 114 in 1936. 0501001501893: 831895: 671896: 641897: 671898: 671900: 771902: 471903: 471904: 571905: 391906: 551911: 701912: 521913: 711914: 851915: 221917: 541918: 641919: 621922: 701923: 601925: 721926: 781929: 731930: 711931: 981932: 781933: 921934: 1011935: 831936: 1141937: 811938: 891939: 1041940: 891941: 801942: 601944: 611945: 561946: 561947: 641948: 661949: 751950: 511951: 391952: 901953: 681954: 721955: 961956: 821957: 601958: 781959: 901960: 671961: 841962: 441963: 821965: 511966: 721967: 661968: 571969: 791970: 931971: 811972: 651973: 841974: 741975: 821976: 1011977: 681978: 811979: 701980: 951981: 661982: 641983: 831984: 801985: 691986: 621987: 851988: 891989: 841990: 721991: 741992: 401993: 331994: 741995: 741996: 641997: 631998: 521999: 622000: 812001: 742002: 832003: 842004: 632005: 882006: 922007: 852008: 612009: 392010: 602011: 672012: 932013: 522014: 552015: 782016: 792017: 732018: 782019: 442020: 762021: 882022: 842023: 782024: 742025: 842026: 901893191219301942195519681980199220042016
Days per year at Kennebec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 114 in 1936.
Days at or above 30 C (86 F) per year at Kennebec
YearDaysDecade average
18938369.6
18956769.6
18966469.6
18976769.6
18986769.6
19007753.7
19024753.7
19034753.7
19045753.7
19053953.7
19065553.7
19117060
19125260
19137160
19148560
19152260
19175460
19186460
19196260
19227070.6
19236070.6
19257270.6
19267870.6
19297370.6
19307191.1
19319891.1
19327891.1
19339291.1
193410191.1
19358391.1
193611491.1
19378191.1
19388991.1
193910491.1
19408967.4
19418067.4
19426067.4
19446167.4
19455667.4
19465667.4
19476467.4
19486667.4
19497567.4
19505172.6
19513972.6
19529072.6
19536872.6
19547272.6
19559672.6
19568272.6
19576072.6
19587872.6
19599072.6
19606766.9
19618466.9
19624466.9
19638266.9
19655166.9
19667266.9
19676666.9
19685766.9
19697966.9
19709379.9
19718179.9
19726579.9
19738479.9
19747479.9
19758279.9
197610179.9
19776879.9
19788179.9
19797079.9
19809577.7
19816677.7
19826477.7
19838377.7
19848077.7
19856977.7
19866277.7
19878577.7
19888977.7
19898477.7
19907260.8
19917460.8
19924060.8
19933360.8
19947460.8
19957460.8
19966460.8
19976360.8
19985260.8
19996260.8
20008175
20017475
20028375
20038475
20046375
20058875
20069275
20078575
20086175
20093975
20106067.9
20116767.9
20129367.9
20135267.9
20145567.9
20157867.9
20167967.9
20177367.9
20187867.9
20194467.9
20207682
20218882
20228482
20237882
20247482
20258482
20269082
First to last qualifying date each year at Kennebec For each year, a bar from the first to the last day at Kennebec meeting 30 C (86 F). 1893: 17 May 1893 to 12 September 18931895: 8 May 1895 to 21 September 18951896: 5 May 1896 to 3 October 18961897: 5 May 1897 to 7 October 18971898: 15 April 1898 to 1 October 18981900: 10 May 1900 to 14 October 19001902: 20 April 1902 to 25 September 19021903: 26 April 1903 to 2 October 19031904: 22 May 1904 to 7 October 19041905: 3 June 1905 to 4 October 19051906: 23 April 1906 to 12 October 19061911: 8 May 1911 to 22 September 19111912: 9 May 1912 to 8 September 19121913: 15 April 1913 to 13 October 19131914: 16 April 1914 to 18 October 19141915: 12 May 1915 to 22 October 19151917: 16 May 1917 to 23 September 19171918: 3 May 1918 to 16 October 19181919: 27 May 1919 to 26 September 19191922: 28 May 1922 to 4 October 19221923: 18 April 1923 to 26 September 19231925: 12 April 1925 to 19 September 19251926: 15 April 1926 to 8 October 19261929: 9 June 1929 to 5 October 19291930: 8 April 1930 to 10 October 19301931: 11 April 1931 to 29 September 19311932: 12 May 1932 to 16 October 19321933: 1 June 1933 to 29 October 19331934: 28 April 1934 to 11 October 19341935: 9 June 1935 to 15 October 19351936: 13 April 1936 to 8 October 19361937: 14 May 1937 to 29 October 19371938: 30 April 1938 to 27 October 19381939: 30 April 1939 to 1 October 19391940: 14 April 1940 to 25 October 19401941: 13 May 1941 to 20 September 19411942: 14 April 1942 to 11 October 19421944: 13 May 1944 to 26 September 19441945: 24 May 1945 to 16 October 19451946: 31 March 1946 to 25 September 19461947: 31 May 1947 to 21 October 19471948: 17 April 1948 to 24 October 19481949: 2 May 1949 to 5 October 19491950: 22 May 1950 to 30 October 19501951: 6 July 1951 to 1 October 19511952: 26 April 1952 to 30 September 19521953: 29 May 1953 to 19 October 19531954: 14 April 1954 to 8 October 19541955: 26 April 1955 to 19 October 19551956: 18 May 1956 to 16 October 19561957: 7 May 1957 to 1 October 19571958: 16 April 1958 to 19 October 19581959: 6 April 1959 to 14 September 19591960: 31 May 1960 to 8 October 19601961: 19 April 1961 to 16 October 19611962: 24 April 1962 to 14 October 19621963: 6 May 1963 to 5 October 19631965: 29 April 1965 to 5 October 19651966: 4 May 1966 to 8 October 19661967: 28 April 1967 to 4 October 19671968: 30 April 1968 to 30 October 19681969: 14 May 1969 to 30 September 19691970: 7 April 1970 to 6 October 19701971: 7 April 1971 to 14 September 19711972: 16 May 1972 to 20 September 19721973: 18 May 1973 to 7 October 19731974: 3 June 1974 to 10 October 19741975: 16 May 1975 to 7 October 19751976: 4 May 1976 to 1 October 19761977: 9 April 1977 to 10 September 19771978: 30 March 1978 to 20 October 19781979: 16 May 1979 to 1 October 19791980: 20 April 1980 to 9 October 19801981: 16 April 1981 to 29 September 19811982: 14 April 1982 to 11 September 19821983: 26 May 1983 to 1 October 19831984: 12 May 1984 to 22 September 19841985: 17 April 1985 to 19 September 19851986: 23 April 1986 to 31 August 19861987: 17 April 1987 to 27 September 19871988: 27 March 1988 to 17 September 19881989: 22 April 1989 to 24 October 19891990: 22 April 1990 to 6 October 19901991: 5 April 1991 to 17 October 19911992: 5 April 1992 to 22 October 19921993: 12 June 1993 to 7 October 19931994: 23 April 1994 to 19 September 19941995: 6 June 1995 to 12 October 19951996: 10 April 1996 to 5 October 19961997: 10 May 1997 to 5 October 19971998: 17 May 1998 to 30 August 19981999: 29 May 1999 to 8 November 19992000: 4 May 2000 to 18 October 20002001: 28 April 2001 to 2 October 20012002: 28 May 2002 to 17 September 20022003: 13 April 2003 to 19 October 20032004: 27 April 2004 to 20 September 20042005: 20 May 2005 to 2 October 20052006: 13 April 2006 to 7 October 20062007: 9 May 2007 to 6 October 20072008: 15 April 2008 to 26 September 20082009: 22 April 2009 to 8 September 20092010: 22 May 2010 to 9 October 20102011: 8 May 2011 to 5 October 20112012: 16 March 2012 to 2 October 20122013: 13 May 2013 to 1 October 20132014: 27 May 2014 to 28 September 20142015: 2 May 2015 to 11 October 20152016: 5 May 2016 to 14 October 20162017: 7 May 2017 to 22 September 20172018: 7 May 2018 to 17 September 20182019: 20 April 2019 to 20 September 20192020: 1 June 2020 to 23 September 20202021: 4 April 2021 to 29 September 20212022: 27 May 2022 to 29 September 20222023: 11 April 2023 to 3 October 20232024: 13 April 2024 to 17 October 20242025: 9 May 2025 to 4 October 20252026: 16 April 2026 to 11 October 202618931915193619521968198319982013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kennebec meeting 30 C (86 F).
First to last qualifying date each year at Kennebec
YearFirst dateLast date
18931893-05-171893-09-12
18951895-05-081895-09-21
18961896-05-051896-10-03
18971897-05-051897-10-07
18981898-04-151898-10-01
19001900-05-101900-10-14
19021902-04-201902-09-25
19031903-04-261903-10-02
19041904-05-221904-10-07
19051905-06-031905-10-04
19061906-04-231906-10-12
19111911-05-081911-09-22
19121912-05-091912-09-08
19131913-04-151913-10-13
19141914-04-161914-10-18
19151915-05-121915-10-22
19171917-05-161917-09-23
19181918-05-031918-10-16
19191919-05-271919-09-26
19221922-05-281922-10-04
19231923-04-181923-09-26
19251925-04-121925-09-19
19261926-04-151926-10-08
19291929-06-091929-10-05
19301930-04-081930-10-10
19311931-04-111931-09-29
19321932-05-121932-10-16
19331933-06-011933-10-29
19341934-04-281934-10-11
19351935-06-091935-10-15
19361936-04-131936-10-08
19371937-05-141937-10-29
19381938-04-301938-10-27
19391939-04-301939-10-01
19401940-04-141940-10-25
19411941-05-131941-09-20
19421942-04-141942-10-11
19441944-05-131944-09-26
19451945-05-241945-10-16
19461946-03-311946-09-25
19471947-05-311947-10-21
19481948-04-171948-10-24
19491949-05-021949-10-05
19501950-05-221950-10-30
19511951-07-061951-10-01
19521952-04-261952-09-30
19531953-05-291953-10-19
19541954-04-141954-10-08
19551955-04-261955-10-19
19561956-05-181956-10-16
19571957-05-071957-10-01
19581958-04-161958-10-19
19591959-04-061959-09-14
19601960-05-311960-10-08
19611961-04-191961-10-16
19621962-04-241962-10-14
19631963-05-061963-10-05
19651965-04-291965-10-05
19661966-05-041966-10-08
19671967-04-281967-10-04
19681968-04-301968-10-30
19691969-05-141969-09-30
19701970-04-071970-10-06
19711971-04-071971-09-14
19721972-05-161972-09-20
19731973-05-181973-10-07
19741974-06-031974-10-10
19751975-05-161975-10-07
19761976-05-041976-10-01
19771977-04-091977-09-10
19781978-03-301978-10-20
19791979-05-161979-10-01
19801980-04-201980-10-09
19811981-04-161981-09-29
19821982-04-141982-09-11
19831983-05-261983-10-01
19841984-05-121984-09-22
19851985-04-171985-09-19
19861986-04-231986-08-31
19871987-04-171987-09-27
19881988-03-271988-09-17
19891989-04-221989-10-24
19901990-04-221990-10-06
19911991-04-051991-10-17
19921992-04-051992-10-22
19931993-06-121993-10-07
19941994-04-231994-09-19
19951995-06-061995-10-12
19961996-04-101996-10-05
19971997-05-101997-10-05
19981998-05-171998-08-30
19991999-05-291999-11-08
20002000-05-042000-10-18
20012001-04-282001-10-02
20022002-05-282002-09-17
20032003-04-132003-10-19
20042004-04-272004-09-20
20052005-05-202005-10-02
20062006-04-132006-10-07
20072007-05-092007-10-06
20082008-04-152008-09-26
20092009-04-222009-09-08
20102010-05-222010-10-09
20112011-05-082011-10-05
20122012-03-162012-10-02
20132013-05-132013-10-01
20142014-05-272014-09-28
20152015-05-022015-10-11
20162016-05-052016-10-14
20172017-05-072017-09-22
20182018-05-072018-09-17
20192019-04-202019-09-20
20202020-06-012020-09-23
20212021-04-042021-09-29
20222022-05-272022-09-29
20232023-04-112023-10-03
20242024-04-132024-10-17
20252025-05-092025-10-04
20262026-04-162026-10-11

Every Fixed Threshold

Fixed thresholds at Kennebec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days119114193690
35 C (95 F): Days11871193636
40 C (104 F): Days923719361
45 C (113 F): Days8619361
90 F (32.2 C): Days11994193661
100 F (37.8 C): Days1135519369
110 F (43.3 C): Days251919362
0 C (32 F): Ice days (max11990197820
0 C (32 F): Frost days (min1211901970103
-10 C (14 F): Days with min12198189324
-20 C (-4 F): Days with min1214619367
-30 C (-22 F): Days with min851719363
-40 C (-40 F): Days with min3119051
20 C (68 F): Tropical nights (min12133200219
25 C (77 F): Days with min42919311
10 mm (0.39 in): Days with 10 mm or more rain12125191516
25 mm (0.98 in): Days with 25 mm or more rain1151019442
50 mm (1.97 in): Days with 50 mm or more rain46319991
100 mm (3.94 in): Days with 100 mm or more rain3118981
10 cm (3.9 in): Days with 10 cm or more snowfall81719871
25 cm (9.8 in): Days with 25 cm or more snowfall21219951
50 cm (19.7 in): Days with 50 cm or more snowfall2119951

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

  • Data for Kennebec 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 (2026-10-17).