Built 2026-10-19 (19 October 2026)

Parkersburg Threshold Days by Year (USC00136492)

6 fixed thresholds counted per year at Parkersburg (USC00136492): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parkersburg Thresholds

  • Parkersburg: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1979 with 41.
  • Parkersburg: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 2007 with 17.
  • Parkersburg: days with 10 cm (3.9 in) or more of snowfall in 27 years, most in 2008 with 6.
  • Parkersburg: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1991 with 5.
  • 6 fixed thresholds have at least one qualifying day at Parkersburg.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Parkersburg Days per year at Parkersburg with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1979. 02040601952: 251953: 241979: 411980: 251981: 241982: 301983: 401984: 271990: 311991: 381992: 281993: 411994: 241995: 271996: 291997: 201998: 301999: 302000: 222001: 312002: 202003: 252004: 272005: 272007: 402008: 252009: 302010: 342020: 272021: 241952198019831991199419972000200320072010
Days per year at Parkersburg with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1979.
Days with 10 mm (0.39 in) or more of precipitation per year at Parkersburg
YearDaysDecade average
19522524.5
19532424.5
19794141
19802529.2
19812429.2
19823029.2
19834029.2
19842729.2
19903129.8
19913829.8
19922829.8
19934129.8
19942429.8
19952729.8
19962929.8
19972029.8
19983029.8
19993029.8
20002227.4
20013127.4
20022027.4
20032527.4
20042727.4
20052727.4
20074027.4
20082527.4
20093027.4
20103434
20202725.5
20212425.5
First to last qualifying date each year at Parkersburg For each year, a bar from the first to the last day at Parkersburg meeting 10 mm (0.39 in). 1952: 5 January 1952 to 20 December 19521953: 15 January 1953 to 20 November 19531979: 19 January 1979 to 23 December 19791980: 16 January 1980 to 14 November 19801981: 22 February 1981 to 1 December 19811982: 23 January 1982 to 28 December 19821983: 29 January 1983 to 28 November 19831984: 30 January 1984 to 21 December 19841990: 8 March 1990 to 15 December 19901991: 5 January 1991 to 20 December 19911992: 15 February 1992 to 29 December 19921993: 21 February 1993 to 13 November 19931994: 27 January 1994 to 7 December 19941995: 7 March 1995 to 2 November 19951996: 18 January 1996 to 26 December 19961997: 4 February 1997 to 13 October 19971998: 11 February 1998 to 10 November 19981999: 2 January 1999 to 23 November 19992000: 19 April 2000 to 19 December 20002001: 30 January 2001 to 27 November 20012002: 1 February 2002 to 4 October 20022003: 27 March 2003 to 18 November 20032004: 6 February 2004 to 19 November 20042005: 6 January 2005 to 14 December 20052007: 15 January 2007 to 23 December 20072008: 26 February 2008 to 19 December 20082009: 7 March 2009 to 25 December 20092010: 24 January 2010 to 24 December 20102020: 18 January 2020 to 10 November 20202021: 26 January 2021 to 11 November 202119521981199019941998200220072020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Parkersburg meeting 10 mm (0.39 in).
First to last qualifying date each year at Parkersburg
YearFirst dateLast date
19521952-01-051952-12-20
19531953-01-151953-11-20
19791979-01-191979-12-23
19801980-01-161980-11-14
19811981-02-221981-12-01
19821982-01-231982-12-28
19831983-01-291983-11-28
19841984-01-301984-12-21
19901990-03-081990-12-15
19911991-01-051991-12-20
19921992-02-151992-12-29
19931993-02-211993-11-13
19941994-01-271994-12-07
19951995-03-071995-11-02
19961996-01-181996-12-26
19971997-02-041997-10-13
19981998-02-111998-11-10
19991999-01-021999-11-23
20002000-04-192000-12-19
20012001-01-302001-11-27
20022002-02-012002-10-04
20032003-03-272003-11-18
20042004-02-062004-11-19
20052005-01-062005-12-14
20072007-01-152007-12-23
20082008-02-262008-12-19
20092009-03-072009-12-25
20102010-01-242010-12-24
20202020-01-182020-11-10
20212021-01-262021-11-11

Every Fixed Threshold

Fixed thresholds at Parkersburg
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3041197924
25 mm (0.98 in): Days with 25 mm or more rain301720077
50 mm (1.97 in): Days with 50 mm or more rain26519912
100 mm (3.94 in): Days with 100 mm or more rain4119791
10 cm (3.9 in): Days with 10 cm or more snowfall27620081
25 cm (9.8 in): Days with 25 cm or more snowfall2120081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Parkersburg 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).