condition mean min max 4 h after light 13.2227 10.8372 15.6082 8 h after light 13.6608 12.9909 14.3307 12 h after light 20.394599999999997 19.6729 21.1163 4 h after dark 45.658550000000005 45.0247 46.2924 8 h after dark 33.2917 31.7761 34.8073 12 h after dark 28.7532 28.1895 29.3169