Records

State Element Value Date(s) Location Station ID Status
Alabama24-Hour Precipitation 32.52 in.July 19 - 20, 1997Dauphin Island Sea Lab012172EA
Alaska24-Hour Precipitation 15.05 in.October 10, 1986Seward26438N
Arizona24-Hour Precipitation11.4 in.September 4 - 5, 1970Workman Creek029534E
Arkansas24-Hour Precipitation14.06 in.December 3, 1982Big Fork030664E
California24-Hour Precipitation 25.83 in.January 22 - 23, 1943Hoegees Camp044017EA
Colorado24-Hour Precipitation 11.85 in.September 12, 2013USGS Rod & Gun (Ft. Carson)USGS 384053104492001NA
Connecticut24-Hour Precipitation12.77 in.August 19, 1955Burlington060973E
Delaware24-Hour Precipitation 12.48 in.September 28 - 29, 2016HarbesonDEOS Mesonet Station DWAR (NWSLI WARD1)NSA
Florida24-Hour Precipitation 23.28 in.November 11 - 12, 1980Key West12836NA
Georgia24-Hour Precipitation21.1 in.July 6, 1994Americus090253E
Hawaii24-Hour Precipitation 49.69 in.April 14 - 15, 2018Waipฤ Garden (Kauai)N/ANA
Idaho24-Hour Precipitation7.17 in.November 23, 1909Rattlesnake Creek107545E
Illinois24-Hour Precipitation16.91 in.July 18, 1996Aurora110338E
Indiana24-Hour Precipitation10.5 in.August 6, 1905Princeton127125E
Iowa24-Hour Precipitation 13.18 in.June 14, 1998Atlantic 1NE130364NA
Kansas24-Hour Precipitation Under ReviewN/A
Kentucky24-Hour Precipitation 11.28 in.July 18 - 19, 2023Mayfield 6SWKY Mesonet - PRYBNSA
Louisiana24-Hour Precipitation22 in.August 28 - 29, 1962Hackberry163979E
Maine24-Hour Precipitation13.32 in.October 20 - 21, 1996Portland14764E
Maryland24-Hour Precipitation14.75 in.July 26 - 27, 1897Jewell (nr. Friendship)184650E
Massachusetts24-Hour Precipitation18.15 in.August 18 - 19, 1955Westfield199191E
Michigan24-Hour Precipitation 12.92 in.July 20, 20196E FountainN/ANSA
Minnesota24-Hour Precipitation15.1 in.August 19, 2007Hokah 1S213808NS
Mississippi24-Hour Precipitation15.68 in.July 9, 1968Columbus221870E
Missouri24-Hour Precipitation18.18 in.July 20, 1965Edgerton232474E
Montana24-Hour Precipitation11.5 in.June 20, 1921Circle (Springbrook)247796E
Nebraska24-Hour Precipitation13.15 in.July 8 - 9, 1950York259510E
Nevada24-Hour Precipitation7.78 in.October 20, 2004Mount Charleston265400N
New Hampshire24-Hour Precipitation11.07 in.October 20 - 21, 1996Mount Washington14755N
New Jersey24-Hour Precipitation14.81 in.August 19 - 20, 1939Tuckerton288899E
New Mexico24-Hour Precipitation11.28 in.May 18 - 19, 1955Lake Maloya294742E
New York24-Hour Precipitation13.57 in.August 12 - 13, 2014Long Island MacArthur Airport04781
North Carolina24-Hour Precipitation22.22 in.July 15 - 16, 1916Altapass310160E
North Dakota24-Hour Precipitation8.1 in.June 29, 1975Litchville325230E
Ohio24-Hour Precipitation 10.75 in.August 7 - 8, 1995Lockington Dam (nr. Sidney, Shelby Co. OH)N/AEA
Oklahoma24-Hour Precipitation15.68 in.October 11, 1973Enid342912E
Oregon24-Hour Precipitation11.77 in.November 6, 2006Nehalem 9NE355971N
Pennsylvania24-Hour Precipitation 13.5 in.June 22, 1972York 3SSW Pump Stn369933NA
Puerto Rico24-Hour Precipitation 23.75 in.October 7, 1985Toro Negro Forest669432NA
Rhode Island24-Hour Precipitation12.13 in.September 16 - 17, 1932Westerly378911E
South Carolina24-Hour Precipitation 14.8 in.September 16, 1999Myrtle Beach386153NA
South Dakota24-Hour Precipitation 8.74 in.May 6, 2007Groton393456NSA
Tennessee24-Hour Precipitation 20.73 in.August 21, 2021McEwenN/ANSA
Texas24-Hour Precipitation 42 in.July 25 - 26, 1979AlvinN/AEA
Utah24-Hour Precipitation 5.08 in.February 1, 1963Deer Creek Dam422057NA
Vermont24-Hour Precipitation9.92 in.September 17, 1999Mt. Mansfield435416N
Virgin Islands (U.S.)24-Hour Precipitation20 in.September 4, 1979Anna's Hope (SC)670260NA
Virginia24-Hour Precipitation 14.28 in.September 16, 1999Williamsburg 2N449151NA
West Virginia24-Hour Precipitation 12.02 in.June 18, 1949Brushy Run461204NA
Wisconsin24-Hour Precipitation11.72 in.June 24, 1946Mellen475286E
Wyoming24-Hour Precipitation6.06 in.August 1, 1985Cheyenne24018E