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Built 2026-10-19 (19 October 2026)

Logan Threshold Days by Year (USC00144775)

6 fixed thresholds counted per year at Logan (USC00144775): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Logan Thresholds

  • Logan: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1993 with 31.
  • Logan: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1965 with 12.
  • Logan: days with 10 cm (3.9 in) or more of snowfall in 52 years, most in 1960 with 7.
  • Logan: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1968 with 3.
  • 6 fixed thresholds have at least one qualifying day at Logan.
70 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Logan Days per year at Logan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1993. 0102030401952: 151953: 131954: 121955: 111956: 91957: 171958: 211959: 181960: 251961: 201964: 131965: 261966: 141967: 171968: 201969: 251970: 181971: 201972: 171973: 181974: 101975: 171976: 131977: 191978: 141979: 251980: 101981: 151982: 211983: 161984: 191985: 141986: 151987: 211988: 161989: 111990: 201991: 171992: 251993: 311994: 201995: 181996: 231997: 181998: 201999: 192000: 182001: 132002: 82003: 142004: 162005: 232006: 262007: 142008: 232009: 222010: 172011: 252012: 132013: 152014: 162015: 202016: 222017: 182018: 282019: 242020: 162021: 182022: 122023: 201952195919681975198219891996200320102017
Days per year at Logan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1993.
Days with 10 mm (0.39 in) or more of precipitation per year at Logan
YearDaysDecade average
19521514.5
19531314.5
19541214.5
19551114.5
1956914.5
19571714.5
19582114.5
19591814.5
19602520
19612020
19641320
19652620
19661420
19671720
19682020
19692520
19701817.1
19712017.1
19721717.1
19731817.1
19741017.1
19751717.1
19761317.1
19771917.1
19781417.1
19792517.1
19801015.8
19811515.8
19822115.8
19831615.8
19841915.8
19851415.8
19861515.8
19872115.8
19881615.8
19891115.8
19902021.1
19911721.1
19922521.1
19933121.1
19942021.1
19951821.1
19962321.1
19971821.1
19982021.1
19991921.1
20001817.7
20011317.7
2002817.7
20031417.7
20041617.7
20052317.7
20062617.7
20071417.7
20082317.7
20092217.7
20101719.8
20112519.8
20121319.8
20131519.8
20141619.8
20152019.8
20162219.8
20171819.8
20182819.8
20192419.8
20201616.5
20211816.5
20221216.5
20232016.5
First to last qualifying date each year at Logan For each year, a bar from the first to the last day at Logan meeting 10 mm (0.39 in). 1952: 15 February 1952 to 22 December 19521953: 2 March 1953 to 3 December 19531954: 21 April 1954 to 9 September 19541955: 4 February 1955 to 26 September 19551956: 1 February 1956 to 25 October 19561957: 24 March 1957 to 18 November 19571958: 28 February 1958 to 5 December 19581959: 21 March 1959 to 31 October 19591960: 14 January 1960 to 11 December 19601961: 12 March 1961 to 12 December 19611964: 3 February 1964 to 16 September 19641965: 23 January 1965 to 19 October 19651966: 16 January 1966 to 15 October 19661967: 12 April 1967 to 19 September 19671968: 20 April 1968 to 22 December 19681969: 14 February 1969 to 30 October 19691970: 31 March 1970 to 24 September 19701971: 19 February 1971 to 17 November 19711972: 24 March 1972 to 13 November 19721973: 27 January 1973 to 21 November 19731974: 4 April 1974 to 3 November 19741975: 10 March 1975 to 20 November 19751976: 7 April 1976 to 27 October 19761977: 11 March 1977 to 7 October 19771978: 1 May 1978 to 26 November 19781979: 19 January 1979 to 31 October 19791980: 8 February 1980 to 27 October 19801981: 4 March 1981 to 1 December 19811982: 19 March 1982 to 28 December 19821983: 5 March 1983 to 27 November 19831984: 18 February 1984 to 15 December 19841985: 9 January 1985 to 18 October 19851986: 18 April 1986 to 7 December 19861987: 27 February 1987 to 16 November 19871988: 19 January 1988 to 26 November 19881989: 18 May 1989 to 13 September 19891990: 20 January 1990 to 3 November 19901991: 17 March 1991 to 12 December 19911992: 1 January 1992 to 25 November 19921993: 9 January 1993 to 12 November 19931994: 27 January 1994 to 7 December 19941995: 27 January 1995 to 21 September 19951996: 18 January 1996 to 17 November 19961997: 24 February 1997 to 29 November 19971998: 10 February 1998 to 2 November 19981999: 5 April 1999 to 29 August 19992000: 23 February 2000 to 12 November 20002001: 25 February 2001 to 18 September 20012002: 25 May 2002 to 30 October 20022003: 18 March 2003 to 11 September 20032004: 1 March 2004 to 18 November 20042005: 5 January 2005 to 28 November 20052006: 19 March 2006 to 31 December 20062007: 21 January 2007 to 11 December 20072008: 11 April 2008 to 11 November 20082009: 18 April 2009 to 25 December 20092010: 9 March 2010 to 11 October 20102011: 15 April 2011 to 4 December 20112012: 4 February 2012 to 20 December 20122013: 21 February 2013 to 6 November 20132014: 24 April 2014 to 15 December 20142015: 17 April 2015 to 14 December 20152016: 8 January 2016 to 16 September 20162017: 16 January 2017 to 3 October 20172018: 22 January 2018 to 27 December 20182019: 12 January 2019 to 28 December 20192020: 25 February 2020 to 10 November 20202021: 14 March 2021 to 27 October 20212022: 22 March 2022 to 22 September 20222023: 22 January 2023 to 15 December 202319521961197219811990199920082017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Logan meeting 10 mm (0.39 in).
First to last qualifying date each year at Logan
YearFirst dateLast date
19521952-02-151952-12-22
19531953-03-021953-12-03
19541954-04-211954-09-09
19551955-02-041955-09-26
19561956-02-011956-10-25
19571957-03-241957-11-18
19581958-02-281958-12-05
19591959-03-211959-10-31
19601960-01-141960-12-11
19611961-03-121961-12-12
19641964-02-031964-09-16
19651965-01-231965-10-19
19661966-01-161966-10-15
19671967-04-121967-09-19
19681968-04-201968-12-22
19691969-02-141969-10-30
19701970-03-311970-09-24
19711971-02-191971-11-17
19721972-03-241972-11-13
19731973-01-271973-11-21
19741974-04-041974-11-03
19751975-03-101975-11-20
19761976-04-071976-10-27
19771977-03-111977-10-07
19781978-05-011978-11-26
19791979-01-191979-10-31
19801980-02-081980-10-27
19811981-03-041981-12-01
19821982-03-191982-12-28
19831983-03-051983-11-27
19841984-02-181984-12-15
19851985-01-091985-10-18
19861986-04-181986-12-07
19871987-02-271987-11-16
19881988-01-191988-11-26
19891989-05-181989-09-13
19901990-01-201990-11-03
19911991-03-171991-12-12
19921992-01-011992-11-25
19931993-01-091993-11-12
19941994-01-271994-12-07
19951995-01-271995-09-21
19961996-01-181996-11-17
19971997-02-241997-11-29
19981998-02-101998-11-02
19991999-04-051999-08-29
20002000-02-232000-11-12
20012001-02-252001-09-18
20022002-05-252002-10-30
20032003-03-182003-09-11
20042004-03-012004-11-18
20052005-01-052005-11-28
20062006-03-192006-12-31
20072007-01-212007-12-11
20082008-04-112008-11-11
20092009-04-182009-12-25
20102010-03-092010-10-11
20112011-04-152011-12-04
20122012-02-042012-12-20
20132013-02-212013-11-06
20142014-04-242014-12-15
20152015-04-172015-12-14
20162016-01-082016-09-16
20172017-01-162017-10-03
20182018-01-222018-12-27
20192019-01-122019-12-28
20202020-02-252020-11-10
20212021-03-142021-10-27
20222022-03-222022-09-22
20232023-01-222023-12-15

Every Fixed Threshold

Fixed thresholds at Logan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain7031199320
25 mm (0.98 in): Days with 25 mm or more rain701219655
50 mm (1.97 in): Days with 50 mm or more rain40319681
100 mm (3.94 in): Days with 100 mm or more rain1120161
10 cm (3.9 in): Days with 10 cm or more snowfall52719603
25 cm (9.8 in): Days with 25 cm or more snowfall4119521

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Logan 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).