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Built 2026-10-19 (19 October 2026)

Salem Threshold Days by Year (USC00036403)

19 fixed thresholds counted per year at Salem (USC00036403): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Salem Thresholds

  • Salem: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 2019 with 53.
  • Salem: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1990 with 25.
  • Salem: days with 50 mm (1.97 in) or more of precipitation in 64 years, most in 1994 with 9.
  • Salem: days with 10 cm (3.9 in) or more of snowfall in 28 years, most in 1985 with 4.
  • 19 fixed thresholds have at least one qualifying day at Salem.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Salem Days per year at Salem with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 111 in 2005. 0501001502003: 752004: 602005: 1112006: 912007: 1002008: 672009: 542010: 1032011: 972012: 1002013: 642014: 652015: 692016: 822017: 622018: 1042019: 952020: 742021: 732022: 822023: 682024: 692026: 10220032006200920122015201820212024
Days per year at Salem with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 111 in 2005.
Days at or above 30 C (86 F) per year at Salem
YearDaysDecade average
20037579.7
20046079.7
200511179.7
20069179.7
200710079.7
20086779.7
20095479.7
201010384.1
20119784.1
201210084.1
20136484.1
20146584.1
20156984.1
20168284.1
20176284.1
201810484.1
20199584.1
20207478
20217378
20228278
20236878
20246978
202610278
First to last qualifying date each year at Salem For each year, a bar from the first to the last day at Salem meeting 30 C (86 F). 2003: 14 April 2003 to 21 October 20032004: 21 May 2004 to 8 October 20042005: 11 May 2005 to 20 October 20052006: 14 April 2006 to 5 October 20062007: 4 April 2007 to 9 October 20072008: 24 April 2008 to 13 September 20082009: 16 May 2009 to 9 September 20092010: 6 May 2010 to 11 October 20102011: 9 April 2011 to 17 October 20112012: 2 April 2012 to 26 September 20122013: 17 April 2013 to 20 September 20132014: 5 May 2014 to 8 October 20142015: 6 June 2015 to 16 October 20152016: 16 March 2016 to 20 October 20162017: 12 February 2017 to 15 October 20172018: 8 May 2018 to 9 October 20182019: 17 May 2019 to 6 October 20192020: 27 March 2020 to 1 October 20202021: 27 May 2021 to 10 October 20212022: 11 May 2022 to 25 September 20222023: 9 May 2023 to 3 October 20232024: 28 February 2024 to 13 October 20242026: 21 March 2026 to 14 October 202620032006200920122015201820212024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Salem meeting 30 C (86 F).
First to last qualifying date each year at Salem
YearFirst dateLast date
20032003-04-142003-10-21
20042004-05-212004-10-08
20052005-05-112005-10-20
20062006-04-142006-10-05
20072007-04-042007-10-09
20082008-04-242008-09-13
20092009-05-162009-09-09
20102010-05-062010-10-11
20112011-04-092011-10-17
20122012-04-022012-09-26
20132013-04-172013-09-20
20142014-05-052014-10-08
20152015-06-062015-10-16
20162016-03-162016-10-20
20172017-02-122017-10-15
20182018-05-082018-10-09
20192019-05-172019-10-06
20202020-03-272020-10-01
20212021-05-272021-10-10
20222022-05-112022-09-25
20232023-05-092023-10-03
20242024-02-282024-10-13
20262026-03-212026-10-14

Every Fixed Threshold

Fixed thresholds at Salem
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days231112005102
35 C (95 F): Days2340201244
40 C (104 F): Days5820121
90 F (32.2 C): Days2384200576
100 F (37.8 C): Days1521201220
110 F (43.3 C): Days1120111
0 C (32 F): Ice days (max232120146
0 C (32 F): Frost days (min23121201449
-10 C (14 F): Days with min2226201411
-20 C (-4 F): Days with min4220212
20 C (68 F): Tropical nights (min2375201079
25 C (77 F): Days with min5220115
10 mm (0.39 in): Days with 10 mm or more rain6653201920
25 mm (0.98 in): Days with 25 mm or more rain662519908
50 mm (1.97 in): Days with 50 mm or more rain64919941
100 mm (3.94 in): Days with 100 mm or more rain17219821
200 mm (7.87 in): Days with 200 mm or more rain1119821
10 cm (3.9 in): Days with 10 cm or more snowfall28419851
25 cm (9.8 in): Days with 25 cm or more snowfall2119881

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2003.

Download the Data

  • Data for Salem 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).