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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Kennebec Threshold Days by Year

6 fixed thresholds counted per year at Kennebec (USC00134342): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kennebec Thresholds

  • Kennebec: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1998 with 34.
  • Kennebec: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 2015 with 15.
  • Kennebec: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 2014 with 5.
  • Kennebec: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 2007 with 4.
  • 6 fixed thresholds have at least one qualifying day at Kennebec.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Kennebec Days per year at Kennebec with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1998. 0102030401951: 291952: 231953: 181954: 221955: 121956: 181957: 261958: 201959: 261960: 241961: 231963: 251964: 231965: 291966: 171967: 241991: 231992: 331997: 231998: 342000: 162001: 322002: 162003: 222004: 192005: 182006: 252007: 312008: 342009: 282010: 292011: 232012: 192013: 252014: 332015: 332016: 282017: 311951195519591964199120002004200820122016
Days per year at Kennebec with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1998.
Days with 10 mm (0.39 in) or more of precipitation per year at Kennebec
YearDaysDecade average
19512921.6
19522321.6
19531821.6
19542221.6
19551221.6
19561821.6
19572621.6
19582021.6
19592621.6
19602423.6
19612323.6
19632523.6
19642323.6
19652923.6
19661723.6
19672423.6
19912328.3
19923328.3
19972328.3
19983428.3
20001624.1
20013224.1
20021624.1
20032224.1
20041924.1
20051824.1
20062524.1
20073124.1
20083424.1
20092824.1
20102927.6
20112327.6
20121927.6
20132527.6
20143327.6
20153327.6
20162827.6
20173127.6
First to last qualifying date each year at Kennebec For each year, a bar from the first to the last day at Kennebec meeting 10 mm (0.39 in). 1951: 25 February 1951 to 2 October 19511952: 19 January 1952 to 20 December 19521953: 20 February 1953 to 4 December 19531954: 25 March 1954 to 26 October 19541955: 14 March 1955 to 26 September 19551956: 3 April 1956 to 5 November 19561957: 18 March 1957 to 18 November 19571958: 27 February 1958 to 18 November 19581959: 5 March 1959 to 28 December 19591960: 15 January 1960 to 30 October 19601961: 18 February 1961 to 16 November 19611963: 5 March 1963 to 21 October 19631964: 8 February 1964 to 20 September 19641965: 9 February 1965 to 11 December 19651966: 9 February 1966 to 28 December 19661967: 31 March 1967 to 17 December 19671991: 13 March 1991 to 12 December 19911992: 5 March 1992 to 14 December 19921997: 6 April 1997 to 25 October 19971998: 5 January 1998 to 10 November 19982000: 17 April 2000 to 18 December 20002001: 14 January 2001 to 25 November 20012002: 10 February 2002 to 28 October 20022003: 15 February 2003 to 18 November 20032004: 26 January 2004 to 27 November 20042005: 13 February 2005 to 14 December 20052006: 29 January 2006 to 31 December 20062007: 15 January 2007 to 2 December 20072008: 26 February 2008 to 19 December 20082009: 5 April 2009 to 26 December 20092010: 20 January 2010 to 13 November 20102011: 10 January 2011 to 4 September 20112012: 24 February 2012 to 20 December 20122013: 9 March 2013 to 6 November 20132014: 4 April 2014 to 23 December 20142015: 1 February 2015 to 14 December 20152016: 8 January 2016 to 26 December 20162017: 17 January 2017 to 10 October 201719511956196119672000200520102015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kennebec meeting 10 mm (0.39 in).
First to last qualifying date each year at Kennebec
YearFirst dateLast date
19511951-02-251951-10-02
19521952-01-191952-12-20
19531953-02-201953-12-04
19541954-03-251954-10-26
19551955-03-141955-09-26
19561956-04-031956-11-05
19571957-03-181957-11-18
19581958-02-271958-11-18
19591959-03-051959-12-28
19601960-01-151960-10-30
19611961-02-181961-11-16
19631963-03-051963-10-21
19641964-02-081964-09-20
19651965-02-091965-12-11
19661966-02-091966-12-28
19671967-03-311967-12-17
19911991-03-131991-12-12
19921992-03-051992-12-14
19971997-04-061997-10-25
19981998-01-051998-11-10
20002000-04-172000-12-18
20012001-01-142001-11-25
20022002-02-102002-10-28
20032003-02-152003-11-18
20042004-01-262004-11-27
20052005-02-132005-12-14
20062006-01-292006-12-31
20072007-01-152007-12-02
20082008-02-262008-12-19
20092009-04-052009-12-26
20102010-01-202010-11-13
20112011-01-102011-09-04
20122012-02-242012-12-20
20132013-03-092013-11-06
20142014-04-042014-12-23
20152015-02-012015-12-14
20162016-01-082016-12-26
20172017-01-172017-10-10

Every Fixed Threshold

Fixed thresholds at Kennebec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3834199831
25 mm (0.98 in): Days with 25 mm or more rain381520157
50 mm (1.97 in): Days with 50 mm or more rain27520142
100 mm (3.94 in): Days with 100 mm or more rain1119581
10 cm (3.9 in): Days with 10 cm or more snowfall13420071
25 cm (9.8 in): Days with 25 cm or more snowfall1119971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

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 (2025-12-31).