condition mean min max 4 h after light 277.3 277.3 277.3 8 h after light 221.95 169.6 274.3 12 h after light 148.64999999999998 139.6 157.7 4 h after dark 208.25 87.4 329.1 8 h after dark 208.39999999999998 203.2 213.6 12 h after dark 164.8 134.4 195.2