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

Lawrence ASOS Threshold Days by Year (USW00003997)

16 fixed thresholds counted per year at Lawrence ASOS (USW00003997): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lawrence ASOS Thresholds

  • Lawrence ASOS: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2023 with 109.
  • Lawrence ASOS: days with a maximum temperature at or above 35 C (95 F) in 29 years, most in 2012 with 54.
  • Lawrence ASOS: days with a maximum temperature at or above 90 F (32.2 C) in 29 years, most in 2012 with 81.
  • Lawrence ASOS: days with a maximum temperature at or below 0 C (32 F) in 29 years, most in 2007 with 34.
  • 16 fixed thresholds have at least one qualifying day at Lawrence ASOS.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Lawrence ASOS Days per year at Lawrence ASOS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 109 in 2023. 0501001501997: 691998: 831999: 602000: 932001: 822002: 962003: 862004: 612005: 942006: 832007: 872008: 602009: 462010: 892011: 962012: 1052013: 902014: 782015: 682016: 822017: 722018: 1072019: 862020: 852021: 922022: 1042023: 1092024: 922025: 841997200020032006200920122015201820212024
Days per year at Lawrence ASOS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 109 in 2023.
Days at or above 30 C (86 F) per year at Lawrence ASOS
YearDaysDecade average
19976970.7
19988370.7
19996070.7
20009378.8
20018278.8
20029678.8
20038678.8
20046178.8
20059478.8
20068378.8
20078778.8
20086078.8
20094678.8
20108987.3
20119687.3
201210587.3
20139087.3
20147887.3
20156887.3
20168287.3
20177287.3
201810787.3
20198687.3
20208594.3
20219294.3
202210494.3
202310994.3
20249294.3
20258494.3
First to last qualifying date each year at Lawrence ASOS For each year, a bar from the first to the last day at Lawrence ASOS meeting 30 C (86 F). 1997: 17 May 1997 to 6 October 19971998: 25 April 1998 to 28 September 19981999: 27 May 1999 to 15 October 19992000: 5 April 2000 to 3 October 20002001: 27 April 2001 to 20 September 20012002: 14 April 2002 to 1 October 20022003: 2 April 2003 to 20 October 20032004: 6 May 2004 to 21 September 20042005: 10 May 2005 to 4 October 20052006: 13 April 2006 to 3 October 20062007: 29 April 2007 to 6 October 20072008: 25 May 2008 to 28 September 20082009: 22 May 2009 to 27 September 20092010: 22 May 2010 to 9 October 20102011: 3 April 2011 to 25 October 20112012: 1 April 2012 to 24 October 20122013: 15 March 2013 to 4 October 20132014: 4 May 2014 to 26 October 20142015: 7 April 2015 to 11 October 20152016: 7 May 2016 to 17 October 20162017: 19 March 2017 to 2 October 20172018: 6 May 2018 to 3 October 20182019: 10 April 2019 to 2 October 20192020: 8 April 2020 to 22 October 20202021: 26 April 2021 to 9 October 20212022: 2 March 2022 to 21 October 20222023: 4 April 2023 to 23 October 20232024: 13 April 2024 to 24 October 20242025: 13 April 2025 to 17 October 202519972001200520092013201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lawrence ASOS meeting 30 C (86 F).
First to last qualifying date each year at Lawrence ASOS
YearFirst dateLast date
19971997-05-171997-10-06
19981998-04-251998-09-28
19991999-05-271999-10-15
20002000-04-052000-10-03
20012001-04-272001-09-20
20022002-04-142002-10-01
20032003-04-022003-10-20
20042004-05-062004-09-21
20052005-05-102005-10-04
20062006-04-132006-10-03
20072007-04-292007-10-06
20082008-05-252008-09-28
20092009-05-222009-09-27
20102010-05-222010-10-09
20112011-04-032011-10-25
20122012-04-012012-10-24
20132013-03-152013-10-04
20142014-05-042014-10-26
20152015-04-072015-10-11
20162016-05-072016-10-17
20172017-03-192017-10-02
20182018-05-062018-10-03
20192019-04-102019-10-02
20202020-04-082020-10-22
20212021-04-262021-10-09
20222022-03-022022-10-21
20232023-04-042023-10-23
20242024-04-132024-10-24
20252025-04-132025-10-17

Every Fixed Threshold

Fixed thresholds at Lawrence ASOS
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days29109202384
35 C (95 F): Days2954201219
40 C (104 F): Days121320126
90 F (32.2 C): Days2981201248
100 F (37.8 C): Days242720125
110 F (43.3 C): Days3220232
0 C (32 F): Ice days (max2934200730
0 C (32 F): Frost days (min291412013124
-10 C (14 F): Days with min2939201436
-20 C (-4 F): Days with min19920259
20 C (68 F): Tropical nights (min2961201143
25 C (77 F): Days with min27620003
10 mm (0.39 in): Days with 10 mm or more rain2740200922
25 mm (0.98 in): Days with 25 mm or more rain271720217
50 mm (1.97 in): Days with 50 mm or more rain24420042
100 mm (3.94 in): Days with 100 mm or more rain3120051

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 Lawrence ASOS 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).