condition mean min max 4 h after light 63.635799999999996 57.8925 69.3791 8 h after light 51.715450000000004 50.6612 52.7697 12 h after light 59.3112 57.9042 60.7182 4 h after dark 73.37955 67.2103 79.5488 8 h after dark 71.4924 70.3779 72.6069 12 h after dark 73.2688 72.9662 73.5714