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Built 2026-10-19 (19 October 2026)

Spencer Muni AP Threshold Days by Year (USW00014972)

16 fixed thresholds counted per year at Spencer Muni AP (USW00014972): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Spencer Muni AP Thresholds

  • Spencer Muni AP: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2012 with 73.
  • Spencer Muni AP: days with a maximum temperature at or above 90 F (32.2 C) in 29 years, most in 2012 with 47.
  • Spencer Muni AP: days with a maximum temperature at or below 0 C (32 F) in 29 years, most in 2010 with 90.
  • Spencer Muni AP: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 1997 with 187.
  • 16 fixed thresholds have at least one qualifying day at Spencer Muni AP.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Spencer Muni AP Days per year at Spencer Muni AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 2012. 0204060801997: 351998: 401999: 392000: 342001: 462002: 512003: 362004: 302005: 522006: 522007: 542008: 252009: 192010: 402011: 522012: 732013: 532014: 132015: 372016: 322017: 462018: 442019: 432020: 712021: 612022: 652023: 622024: 532025: 451997200020032006200920122015201820212024
Days per year at Spencer Muni AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 2012.
Days at or above 30 C (86 F) per year at Spencer Muni AP
YearDaysDecade average
19973538
19984038
19993938
20003439.9
20014639.9
20025139.9
20033639.9
20043039.9
20055239.9
20065239.9
20075439.9
20082539.9
20091939.9
20104043.3
20115243.3
20127343.3
20135343.3
20141343.3
20153743.3
20163243.3
20174643.3
20184443.3
20194343.3
20207159.5
20216159.5
20226559.5
20236259.5
20245359.5
20254559.5
First to last qualifying date each year at Spencer Muni AP For each year, a bar from the first to the last day at Spencer Muni AP meeting 30 C (86 F). 1997: 17 May 1997 to 6 October 19971998: 17 May 1998 to 26 September 19981999: 28 May 1999 to 25 September 19992000: 4 May 2000 to 30 September 20002001: 1 May 2001 to 2 October 20012002: 15 April 2002 to 30 September 20022003: 14 April 2003 to 19 October 20032004: 16 April 2004 to 19 September 20042005: 6 June 2005 to 3 October 20052006: 13 April 2006 to 3 October 20062007: 29 April 2007 to 6 October 20072008: 25 May 2008 to 26 September 20082009: 23 April 2009 to 24 August 20092010: 22 May 2010 to 8 October 20102011: 10 May 2011 to 5 October 20112012: 1 April 2012 to 11 September 20122013: 14 May 2013 to 27 September 20132014: 7 May 2014 to 19 September 20142015: 3 May 2015 to 11 October 20152016: 6 May 2016 to 23 September 20162017: 8 May 2017 to 24 September 20172018: 23 May 2018 to 3 October 20182019: 16 May 2019 to 30 September 20192020: 1 May 2020 to 9 October 20202021: 1 May 2021 to 29 September 20212022: 9 May 2022 to 20 September 20222023: 12 April 2023 to 2 October 20232024: 13 April 2024 to 10 October 20242025: 28 March 2025 to 4 October 202519972001200520092013201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Spencer Muni AP meeting 30 C (86 F).
First to last qualifying date each year at Spencer Muni AP
YearFirst dateLast date
19971997-05-171997-10-06
19981998-05-171998-09-26
19991999-05-281999-09-25
20002000-05-042000-09-30
20012001-05-012001-10-02
20022002-04-152002-09-30
20032003-04-142003-10-19
20042004-04-162004-09-19
20052005-06-062005-10-03
20062006-04-132006-10-03
20072007-04-292007-10-06
20082008-05-252008-09-26
20092009-04-232009-08-24
20102010-05-222010-10-08
20112011-05-102011-10-05
20122012-04-012012-09-11
20132013-05-142013-09-27
20142014-05-072014-09-19
20152015-05-032015-10-11
20162016-05-062016-09-23
20172017-05-082017-09-24
20182018-05-232018-10-03
20192019-05-162019-09-30
20202020-05-012020-10-09
20212021-05-012021-09-29
20222022-05-092022-09-20
20232023-04-122023-10-02
20242024-04-132024-10-10
20252025-03-282025-10-04

Every Fixed Threshold

Fixed thresholds at Spencer Muni AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2973201245
35 C (95 F): Days261620124
90 F (32.2 C): Days2947201215
100 F (37.8 C): Days6220222
0 C (32 F): Ice days (max2990201053
0 C (32 F): Frost days (min291871997152
-10 C (14 F): Days with min2989200868
-20 C (-4 F): Days with min2935201419
-30 C (-22 F): Days with min10520102
20 C (68 F): Tropical nights (min2923201117
25 C (77 F): Days with min8320112
10 mm (0.39 in): Days with 10 mm or more rain2729201625
25 mm (0.98 in): Days with 25 mm or more rain271120248
50 mm (1.97 in): Days with 50 mm or more rain19520042
100 mm (3.94 in): Days with 100 mm or more rain2120041
10 cm (3.9 in): Days with 10 cm or more snowfall2220232

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Spencer Muni AP 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).