condition mean min max 1 h after light 2.042915237 2.042915237 2.042915237 3 h after light 6.763275825499999 5.3838908089999995 8.142660842 5 h after light 7.559498574499999 7.395240557999999 7.723756591 7 h after light 8.864000900499999 7.990219006 9.737782795 9 h after light 8.905736097 8.602232016 9.209240178 11 h after light 12.8735814605 9.700657011 16.04650591 1 h after dark 38.79463895 11.43313939 66.15613851 3 h after dark 60.573093555 47.71368761 73.4324995 5 h after dark 78.26544072499999 69.78223081 86.74865064 7 h after dark 77.44735254 67.92342783 86.97127725 9 h after dark 69.86658501 59.88217833 79.85099169 11 h after dark 64.412581045 60.54240478 68.28275731