National Weather Service United States Department of Commerce

Daily Climate Graphic

Climate Data for July 20
  Normal High* Normal Low* Record High Record Low Record Precipitation
Baton Rouge (since 1892) 92 74 99 (2000) 64 (1947) 2.33 (1956)
Biloxi, MS (since 1893) 90 75 96 (2000) 62 (1923) 3.94 (1945)
McComb, MS (since 1948) 91 71 101 (2000) 62 (1984) 2.01 (2021)
New Orleans - City (since 1893) 94 77 101 (2000) 66 (1923) 3.39 (2012)
New Orleans Intl Airport - MSY (since 1871) 92 77 98 (2016) 69 (1984) 3.57 (2012)
Slidell, LA (since 1956) 90 74 98 (1973) 67 (2009) 2.12 (2012)
*30 Year Climate Normals from 1991 to 2020
On this day in 2003: Heavy rain resulted in widespread street flooding in western areas of St. Tammany Parish, including Covington, Mandeville and Abita Springs. About 10 homes and four cars were flooded just west of Mandeville and about 6 homes and 3 businesses in Covington.