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Built 2026-10-19 (19 October 2026)

Lewisville Dam Threshold Days by Year (USC00415192)

5 fixed thresholds counted per year at Lewisville Dam (USC00415192): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lewisville Dam Thresholds

  • Lewisville Dam: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1981 with 39.
  • Lewisville Dam: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1981 with 23.
  • Lewisville Dam: days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1964 with 7.
  • Lewisville Dam: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 2002 with 2.
  • 5 fixed thresholds have at least one qualifying day at Lewisville Dam.
47 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lewisville Dam Days per year at Lewisville Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1981. 0102030401964: 281965: 251966: 291967: 321968: 341969: 301970: 271971: 271972: 191973: 321974: 271975: 251976: 291977: 211978: 181979: 301980: 161981: 391982: 321983: 271984: 241985: 281998: 331999: 202000: 292001: 292002: 302003: 212004: 372005: 142006: 212007: 372008: 262009: 352010: 242011: 202012: 182014: 182015: 342016: 302019: 292020: 292021: 282022: 222023: 202024: 272026: 131964196919741979198420012006201120192024
Days per year at Lewisville Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Lewisville Dam
YearDaysDecade average
19642829.7
19652529.7
19662929.7
19673229.7
19683429.7
19693029.7
19702725.5
19712725.5
19721925.5
19733225.5
19742725.5
19752525.5
19762925.5
19772125.5
19781825.5
19793025.5
19801627.7
19813927.7
19823227.7
19832727.7
19842427.7
19852827.7
19983326.5
19992026.5
20002927.9
20012927.9
20023027.9
20032127.9
20043727.9
20051427.9
20062127.9
20073727.9
20082627.9
20093527.9
20102424.7
20112024.7
20121824.7
20141824.7
20153424.7
20163024.7
20192924.7
20202923.2
20212823.2
20222223.2
20232023.2
20242723.2
20261323.2
First to last qualifying date each year at Lewisville Dam For each year, a bar from the first to the last day at Lewisville Dam meeting 10 mm (0.39 in). 1964: 4 February 1964 to 10 December 19641965: 3 January 1965 to 11 December 19651966: 29 January 1966 to 16 December 19661967: 12 February 1967 to 15 December 19671968: 19 January 1968 to 19 December 19681969: 16 January 1969 to 29 December 19691970: 6 January 1970 to 30 December 19701971: 13 January 1971 to 10 December 19711972: 24 March 1972 to 18 November 19721973: 3 January 1973 to 19 December 19731974: 19 January 1974 to 26 December 19741975: 31 January 1975 to 25 December 19751976: 8 March 1976 to 11 December 19761977: 9 January 1977 to 8 November 19771978: 12 January 1978 to 31 December 19781979: 11 January 1979 to 24 December 19791980: 21 January 1980 to 8 December 19801981: 10 February 1981 to 8 November 19811982: 22 January 1982 to 27 December 19821983: 1 February 1983 to 27 November 19831984: 10 January 1984 to 18 December 19841985: 15 January 1985 to 10 December 19851998: 5 January 1998 to 21 December 19981999: 29 January 1999 to 12 December 19992000: 8 January 2000 to 26 December 20002001: 11 January 2001 to 17 December 20012002: 24 January 2002 to 31 December 20022003: 6 February 2003 to 13 December 20032004: 17 January 2004 to 7 December 20042005: 3 January 2005 to 15 August 20052006: 22 January 2006 to 30 December 20062007: 4 January 2007 to 13 December 20072008: 12 February 2008 to 9 December 20082009: 9 February 2009 to 30 December 20092010: 29 January 2010 to 29 December 20102011: 9 January 2011 to 20 December 20112012: 9 January 2012 to 26 December 20122014: 16 March 2014 to 23 December 20142015: 2 January 2015 to 28 December 20152016: 7 January 2016 to 5 December 20162019: 3 January 2019 to 28 December 20192020: 7 January 2020 to 14 December 20202021: 1 January 2021 to 28 November 20212022: 21 March 2022 to 14 December 20222023: 24 January 2023 to 24 December 20232024: 8 January 2024 to 31 October 20242026: 9 January 2026 to 13 July 202619641970197619822000200620122021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lewisville Dam meeting 10 mm (0.39 in).
First to last qualifying date each year at Lewisville Dam
YearFirst dateLast date
19641964-02-041964-12-10
19651965-01-031965-12-11
19661966-01-291966-12-16
19671967-02-121967-12-15
19681968-01-191968-12-19
19691969-01-161969-12-29
19701970-01-061970-12-30
19711971-01-131971-12-10
19721972-03-241972-11-18
19731973-01-031973-12-19
19741974-01-191974-12-26
19751975-01-311975-12-25
19761976-03-081976-12-11
19771977-01-091977-11-08
19781978-01-121978-12-31
19791979-01-111979-12-24
19801980-01-211980-12-08
19811981-02-101981-11-08
19821982-01-221982-12-27
19831983-02-011983-11-27
19841984-01-101984-12-18
19851985-01-151985-12-10
19981998-01-051998-12-21
19991999-01-291999-12-12
20002000-01-082000-12-26
20012001-01-112001-12-17
20022002-01-242002-12-31
20032003-02-062003-12-13
20042004-01-172004-12-07
20052005-01-032005-08-15
20062006-01-222006-12-30
20072007-01-042007-12-13
20082008-02-122008-12-09
20092009-02-092009-12-30
20102010-01-292010-12-29
20112011-01-092011-12-20
20122012-01-092012-12-26
20142014-03-162014-12-23
20152015-01-022015-12-28
20162016-01-072016-12-05
20192019-01-032019-12-28
20202020-01-072020-12-14
20212021-01-012021-11-28
20222022-03-212022-12-14
20232023-01-242023-12-24
20242024-01-082024-10-31
20262026-01-092026-07-13

Every Fixed Threshold

Fixed thresholds at Lewisville Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4739198113
25 mm (0.98 in): Days with 25 mm or more rain472319817
50 mm (1.97 in): Days with 50 mm or more rain46719641
100 mm (3.94 in): Days with 100 mm or more rain9220021
10 cm (3.9 in): Days with 10 cm or more snowfall1119771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Lewisville Dam 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).