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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Bartlett Threshold Days by Year (USC00140548)

6 fixed thresholds counted per year at Bartlett (USC00140548): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bartlett Thresholds

  • Bartlett: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 2020 with 50.
  • Bartlett: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 2019 with 27.
  • Bartlett: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 2008 with 8.
  • Bartlett: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 2000 with 3.
  • 6 fixed thresholds have at least one qualifying day at Bartlett.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bartlett Days per year at Bartlett with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 2020. 02040601994: 321997: 381998: 371999: 442000: 352001: 332002: 232003: 392004: 342005: 242006: 292007: 392008: 442009: 352010: 292011: 292012: 262013: 402014: 252015: 452016: 332017: 322018: 352019: 482020: 502021: 342022: 302023: 292024: 342025: 311994199920022005200820112014201720202023
Days per year at Bartlett with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 2020.
Days with 10 mm (0.39 in) or more of precipitation per year at Bartlett
YearDaysDecade average
19943237.8
19973837.8
19983737.8
19994437.8
20003533.5
20013333.5
20022333.5
20033933.5
20043433.5
20052433.5
20062933.5
20073933.5
20084433.5
20093533.5
20102934.2
20112934.2
20122634.2
20134034.2
20142534.2
20154534.2
20163334.2
20173234.2
20183534.2
20194834.2
20205034.7
20213434.7
20223034.7
20232934.7
20243434.7
20253134.7
First to last qualifying date each year at Bartlett For each year, a bar from the first to the last day at Bartlett meeting 10 mm (0.39 in). 1994: 26 January 1994 to 8 December 19941997: 20 February 1997 to 24 December 19971998: 4 January 1998 to 7 December 19981999: 23 January 1999 to 9 December 19992000: 18 February 2000 to 13 December 20002001: 28 January 2001 to 17 December 20012002: 30 January 2002 to 24 December 20022003: 13 February 2003 to 28 December 20032004: 17 January 2004 to 7 December 20042005: 5 January 2005 to 31 October 20052006: 29 January 2006 to 30 December 20062007: 13 January 2007 to 12 December 20072008: 8 January 2008 to 28 December 20082009: 11 February 2009 to 25 December 20092010: 21 January 2010 to 13 November 20102011: 2 February 2011 to 20 December 20112012: 4 February 2012 to 12 November 20122013: 30 January 2013 to 22 December 20132014: 16 March 2014 to 18 December 20142015: 1 February 2015 to 29 December 20152016: 2 February 2016 to 3 November 20162017: 15 January 2017 to 22 October 20172018: 8 January 2018 to 31 December 20182019: 12 January 2019 to 29 December 20192020: 11 January 2020 to 30 December 20202021: 1 January 2021 to 28 December 20212022: 2 February 2022 to 14 December 20222023: 19 January 2023 to 25 December 20232024: 9 January 2024 to 16 December 20242025: 10 January 2025 to 23 September 202519942000200420082012201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bartlett meeting 10 mm (0.39 in).
First to last qualifying date each year at Bartlett
YearFirst dateLast date
19941994-01-261994-12-08
19971997-02-201997-12-24
19981998-01-041998-12-07
19991999-01-231999-12-09
20002000-02-182000-12-13
20012001-01-282001-12-17
20022002-01-302002-12-24
20032003-02-132003-12-28
20042004-01-172004-12-07
20052005-01-052005-10-31
20062006-01-292006-12-30
20072007-01-132007-12-12
20082008-01-082008-12-28
20092009-02-112009-12-25
20102010-01-212010-11-13
20112011-02-022011-12-20
20122012-02-042012-11-12
20132013-01-302013-12-22
20142014-03-162014-12-18
20152015-02-012015-12-29
20162016-02-022016-11-03
20172017-01-152017-10-22
20182018-01-082018-12-31
20192019-01-122019-12-29
20202020-01-112020-12-30
20212021-01-012021-12-28
20222022-02-022022-12-14
20232023-01-192023-12-25
20242024-01-092024-12-16
20252025-01-102025-09-23

Every Fixed Threshold

Fixed thresholds at Bartlett
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3050202031
25 mm (0.98 in): Days with 25 mm or more rain3027201913
50 mm (1.97 in): Days with 50 mm or more rain30820083
100 mm (3.94 in): Days with 100 mm or more rain9220151
10 cm (3.9 in): Days with 10 cm or more snowfall13320002
25 cm (9.8 in): Days with 25 cm or more snowfall4119991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for Bartlett 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).