condition mean min max 0 h after light 10.145465 7.06453 13.2264 2 h after light 17.4144 14.8283 20.0005 4 h after light 21.04795 18.0649 24.031 8 h after light 21.215049999999998 19.9083 22.5218 12 h after light 26.8268 25.6047 28.0489 2 h after dark 18.08175 17.1903 18.9732 4 h after dark 17.5548 15.6254 19.4842 8 h after dark 14.553799999999999 12.7826 16.325 12 h after dark 13.7086 11.3516 16.0656