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Data as of 2026-10-17
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Built 2026-10-18 (18 October 2026)

Logan Threshold Days by Year

15 fixed thresholds counted per year at Logan (USC00334672): 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 25 years, most in 2011 with 51.
  • Logan: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 2018 with 15.
  • Logan: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 2024 with 75.
  • Logan: days with a maximum temperature at or above 90 F (32.2 C) in 20 years, most in 2024 with 33.
  • 15 fixed thresholds have at least one qualifying day at Logan.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Logan Days per year at Logan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 2024. 0204060801993: 341994: 182001: 272002: 612011: 512012: 582013: 292014: 282015: 472016: 682017: 352018: 562019: 522020: 462021: 452022: 362023: 272024: 752025: 642026: 581993200120112013201520172019202120232025
Days per year at Logan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 2024.
Days at or above 30 C (86 F) per year at Logan
YearDaysDecade average
19933426
19941826
20012744
20026144
20115147.1
20125847.1
20132947.1
20142847.1
20154747.1
20166847.1
20173547.1
20185647.1
20195247.1
20204650.1
20214550.1
20223650.1
20232750.1
20247550.1
20256450.1
20265850.1
First to last qualifying date each year at Logan For each year, a bar from the first to the last day at Logan meeting 30 C (86 F). 1993: 11 May 1993 to 3 September 19931994: 9 June 1994 to 16 September 19942001: 13 June 2001 to 10 September 20012002: 17 April 2002 to 22 September 20022011: 11 April 2011 to 4 September 20112012: 4 May 2012 to 8 September 20122013: 16 May 2013 to 12 September 20132014: 9 May 2014 to 6 September 20142015: 7 May 2015 to 20 September 20152016: 29 May 2016 to 24 September 20162017: 1 May 2017 to 8 October 20172018: 13 May 2018 to 10 October 20182019: 19 May 2019 to 4 October 20192020: 25 May 2020 to 11 September 20202021: 24 May 2021 to 20 September 20212022: 24 April 2022 to 22 September 20222023: 6 April 2023 to 7 September 20232024: 17 April 2024 to 7 October 20242025: 16 May 2025 to 30 September 20252026: 23 March 2026 to 2 October 20261993200220132016201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Logan meeting 30 C (86 F).
First to last qualifying date each year at Logan
YearFirst dateLast date
19931993-05-111993-09-03
19941994-06-091994-09-16
20012001-06-132001-09-10
20022002-04-172002-09-22
20112011-04-112011-09-04
20122012-05-042012-09-08
20132013-05-162013-09-12
20142014-05-092014-09-06
20152015-05-072015-09-20
20162016-05-292016-09-24
20172017-05-012017-10-08
20182018-05-132018-10-10
20192019-05-192019-10-04
20202020-05-252020-09-11
20212021-05-242021-09-20
20222022-04-242022-09-22
20232023-04-062023-09-07
20242024-04-172024-10-07
20252025-05-162025-09-30
20262026-03-232026-10-02

Every Fixed Threshold

Fixed thresholds at Logan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2075202458
35 C (95 F): Days91020126
90 F (32.2 C): Days2033202420
100 F (37.8 C): Days2120121
0 C (32 F): Ice days (max2034201426
0 C (32 F): Frost days (min19146199485
-10 C (14 F): Days with min1938201423
-20 C (-4 F): Days with min10920148
-30 C (-22 F): Days with min2319941
20 C (68 F): Tropical nights (min1934202540
10 mm (0.39 in): Days with 10 mm or more rain2551201134
25 mm (0.98 in): Days with 25 mm or more rain2515201815
50 mm (1.97 in): Days with 50 mm or more rain14520172
100 mm (3.94 in): Days with 100 mm or more rain1120111
10 cm (3.9 in): Days with 10 cm or more snowfall4119941

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

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 (2026-10-17).