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

Jefferson City Mem AP Threshold Days by Year (USW00003963)

15 fixed thresholds counted per year at Jefferson City Mem AP (USW00003963): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jefferson City Mem AP Thresholds

  • Jefferson City Mem AP: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 2012 with 102.
  • Jefferson City Mem AP: days with a maximum temperature at or above 35 C (95 F) in 27 years, most in 2012 with 41.
  • Jefferson City Mem AP: days with a maximum temperature at or above 90 F (32.2 C) in 27 years, most in 2012 with 81.
  • Jefferson City Mem AP: days with a maximum temperature at or below 0 C (32 F) in 27 years, most in 2014 with 33.
  • 15 fixed thresholds have at least one qualifying day at Jefferson City Mem AP.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Jefferson City Mem AP Days per year at Jefferson City Mem AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 102 in 2012. 0501001501998: 741999: 632000: 732001: 672002: 792003: 572004: 402005: 862006: 842007: 882008: 552009: 462010: 902011: 902012: 1022013: 682014: 692015: 662016: 792017: 672018: 1012020: 792021: 902022: 932023: 972024: 862025: 91199820012004200720102013201620202023
Days per year at Jefferson City Mem AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 102 in 2012.
Days at or above 30 C (86 F) per year at Jefferson City Mem AP
YearDaysDecade average
19987468.5
19996368.5
20007367.5
20016767.5
20027967.5
20035767.5
20044067.5
20058667.5
20068467.5
20078867.5
20085567.5
20094667.5
20109081.3
20119081.3
201210281.3
20136881.3
20146981.3
20156681.3
20167981.3
20176781.3
201810181.3
20207989.3
20219089.3
20229389.3
20239789.3
20248689.3
20259189.3
First to last qualifying date each year at Jefferson City Mem AP For each year, a bar from the first to the last day at Jefferson City Mem AP meeting 30 C (86 F). 1998: 13 May 1998 to 29 September 19981999: 4 June 1999 to 15 October 19992000: 8 May 2000 to 3 October 20002001: 9 April 2001 to 13 September 20012002: 15 April 2002 to 2 October 20022003: 15 April 2003 to 20 October 20032004: 16 April 2004 to 14 September 20042005: 10 May 2005 to 5 October 20052006: 13 April 2006 to 4 October 20062007: 29 April 2007 to 7 October 20072008: 25 May 2008 to 13 September 20082009: 23 April 2009 to 27 September 20092010: 31 March 2010 to 23 September 20102011: 3 April 2011 to 7 October 20112012: 1 April 2012 to 25 September 20122013: 14 May 2013 to 4 October 20132014: 4 May 2014 to 26 October 20142015: 7 June 2015 to 22 September 20152016: 7 May 2016 to 17 October 20162017: 20 March 2017 to 14 October 20172018: 12 April 2018 to 8 October 20182020: 7 April 2020 to 22 October 20202021: 26 April 2021 to 10 October 20212022: 22 April 2022 to 23 October 20222023: 4 April 2023 to 23 October 20232024: 13 April 2024 to 28 October 20242025: 14 March 2025 to 6 October 20251998200220062010201420182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jefferson City Mem AP meeting 30 C (86 F).
First to last qualifying date each year at Jefferson City Mem AP
YearFirst dateLast date
19981998-05-131998-09-29
19991999-06-041999-10-15
20002000-05-082000-10-03
20012001-04-092001-09-13
20022002-04-152002-10-02
20032003-04-152003-10-20
20042004-04-162004-09-14
20052005-05-102005-10-05
20062006-04-132006-10-04
20072007-04-292007-10-07
20082008-05-252008-09-13
20092009-04-232009-09-27
20102010-03-312010-09-23
20112011-04-032011-10-07
20122012-04-012012-09-25
20132013-05-142013-10-04
20142014-05-042014-10-26
20152015-06-072015-09-22
20162016-05-072016-10-17
20172017-03-202017-10-14
20182018-04-122018-10-08
20202020-04-072020-10-22
20212021-04-262021-10-10
20222022-04-222022-10-23
20232023-04-042023-10-23
20242024-04-132024-10-28
20252025-03-142025-10-06

Every Fixed Threshold

Fixed thresholds at Jefferson City Mem AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days27102201291
35 C (95 F): Days2741201220
40 C (104 F): Days6420121
90 F (32.2 C): Days2781201250
100 F (37.8 C): Days121920127
0 C (32 F): Ice days (max2733201422
0 C (32 F): Frost days (min27124201396
-10 C (14 F): Days with min2729200024
-20 C (-4 F): Days with min10520142
20 C (68 F): Tropical nights (min2777201063
25 C (77 F): Days with min251720119
10 mm (0.39 in): Days with 10 mm or more rain2644200826
25 mm (0.98 in): Days with 25 mm or more rain261620089
50 mm (1.97 in): Days with 50 mm or more rain22520092
100 mm (3.94 in): Days with 100 mm or more rain2120091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Jefferson City Mem 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).