condition mean min max 0 h after light 33.8557 33.7115 33.9999 4 h after light 17.794249999999998 16.5701 19.0184 8 h after light 10.10557 9.92274 10.2884 4 h after dark 15.936300000000001 12.1323 19.7403 8 h after dark 20.2671 18.5735 21.9607 12 h after dark 29.965049999999998 24.8543 35.0758