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

Lewisville Threshold Days by Year (USC00034185)

16 fixed thresholds counted per year at Lewisville (USC00034185): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lewisville Thresholds

  • Lewisville: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 2009 with 53.
  • Lewisville: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 2009 with 33.
  • Lewisville: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 2001 with 11.
  • Lewisville: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2010 with 141.
  • 16 fixed thresholds have at least one qualifying day at Lewisville.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Lewisville Days per year at Lewisville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 141 in 2010. 0501001501992: 631993: 1031994: 1091995: 1171996: 971997: 1011998: 1211999: 1152000: 972001: 1072002: 1002003: 902004: 1042005: 1122006: 1142007: 872008: 1032009: 942010: 1412011: 1402012: 1232013: 1162014: 1022015: 1262016: 1182017: 1112018: 1352019: 1212020: 1072021: 1222022: 11819921996200020042008201220162020
Days per year at Lewisville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 141 in 2010.
Days at or above 30 C (86 F) per year at Lewisville
YearDaysDecade average
199263103.3
1993103103.3
1994109103.3
1995117103.3
199697103.3
1997101103.3
1998121103.3
1999115103.3
200097100.8
2001107100.8
2002100100.8
200390100.8
2004104100.8
2005112100.8
2006114100.8
200787100.8
2008103100.8
200994100.8
2010141123.3
2011140123.3
2012123123.3
2013116123.3
2014102123.3
2015126123.3
2016118123.3
2017111123.3
2018135123.3
2019121123.3
2020107115.7
2021122115.7
2022118115.7
First to last qualifying date each year at Lewisville For each year, a bar from the first to the last day at Lewisville meeting 30 C (86 F). 1992: 14 April 1992 to 26 October 19921993: 6 May 1993 to 1 October 19931994: 20 April 1994 to 7 October 19941995: 22 March 1995 to 16 October 19951996: 18 April 1996 to 27 October 19961997: 17 May 1997 to 11 October 19971998: 9 May 1998 to 4 October 19981999: 8 May 1999 to 16 October 19992000: 20 April 2000 to 5 October 20002001: 10 April 2001 to 20 September 20012002: 1 May 2002 to 7 October 20022003: 8 May 2003 to 25 October 20032004: 21 March 2004 to 23 October 20042005: 21 May 2005 to 19 October 20052006: 18 April 2006 to 19 October 20062007: 15 May 2007 to 19 October 20072008: 10 May 2008 to 30 September 20082009: 23 April 2009 to 9 October 20092010: 2 May 2010 to 18 October 20102011: 24 March 2011 to 26 October 20112012: 30 April 2012 to 6 October 20122013: 10 April 2013 to 5 October 20132014: 27 April 2014 to 27 October 20142015: 26 April 2015 to 16 October 20152016: 1 April 2016 to 2 November 20162017: 20 March 2017 to 15 October 20172018: 7 May 2018 to 9 October 20182019: 10 April 2019 to 11 October 20192020: 27 March 2020 to 22 October 20202021: 9 May 2021 to 26 October 20212022: 23 April 2022 to 4 November 202219921996200020042008201220162020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lewisville meeting 30 C (86 F).
First to last qualifying date each year at Lewisville
YearFirst dateLast date
19921992-04-141992-10-26
19931993-05-061993-10-01
19941994-04-201994-10-07
19951995-03-221995-10-16
19961996-04-181996-10-27
19971997-05-171997-10-11
19981998-05-091998-10-04
19991999-05-081999-10-16
20002000-04-202000-10-05
20012001-04-102001-09-20
20022002-05-012002-10-07
20032003-05-082003-10-25
20042004-03-212004-10-23
20052005-05-212005-10-19
20062006-04-182006-10-19
20072007-05-152007-10-19
20082008-05-102008-09-30
20092009-04-232009-10-09
20102010-05-022010-10-18
20112011-03-242011-10-26
20122012-04-302012-10-06
20132013-04-102013-10-05
20142014-04-272014-10-27
20152015-04-262015-10-16
20162016-04-012016-11-02
20172017-03-202017-10-15
20182018-05-072018-10-09
20192019-04-102019-10-11
20202020-03-272020-10-22
20212021-05-092021-10-26
20222022-04-232022-11-04

Every Fixed Threshold

Fixed thresholds at Lewisville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days311412010118
35 C (95 F): Days3085201150
40 C (104 F): Days123220112
90 F (32.2 C): Days31118201889
100 F (37.8 C): Days2162201118
110 F (43.3 C): Days2720117
0 C (32 F): Ice days (max21519962
0 C (32 F): Frost days (min3177200270
-10 C (14 F): Days with min14819962
20 C (68 F): Tropical nights (min31113199888
25 C (77 F): Days with min112220116
10 mm (0.39 in): Days with 10 mm or more rain3553200922
25 mm (0.98 in): Days with 25 mm or more rain3533200912
50 mm (1.97 in): Days with 50 mm or more rain341120012
100 mm (3.94 in): Days with 100 mm or more rain16320011
10 cm (3.9 in): Days with 10 cm or more snowfall4220212

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1992.

Download the Data

  • Data for Lewisville 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 (2026-10-12).