condition mean min max 4 h after light 186.8 186.8 186.8 8 h after light 216.8 213.3 220.3 12 h after light 201.45 182.3 220.6 4 h after dark 201.95 174.9 229.0 8 h after dark 205.4 163.5 247.3 12 h after dark 236.14999999999998 218.2 254.1