condition mean min max 4 h after light 57.298679 53.135043 61.462315 8 h after light 66.2626475 63.769527 68.755768 12 h after light 39.351828499999996 34.209708 44.493949 4 h after dark 19.721605 14.277053 25.166157 8 h after dark 24.7415375 15.169231 34.313844 12 h after dark 45.849563 45.849563 45.849563