condition mean min max 0 h after light 23.0438 20.3715 25.7161 2 h after light 7.650895 6.31667 8.98512 4 h after light 4.73557 3.80357 5.66757 8 h after light 5.87195 4.50822 7.23568 12 h after light 7.4407049999999995 6.57649 8.30492 2 h after dark 12.98225 11.9844 13.9801 4 h after dark 14.6226 12.5792 16.666 8 h after dark 31.11235 29.869 32.3557 12 h after dark 25.9922 24.7225 27.2619