condition mean min max 4 h after light 41.8 41.8 41.8 8 h after light 22.55 22.1 23.0 12 h after light 52.8 39.6 66.0 4 h after dark 83.9 78.1 89.7 8 h after dark 54.650000000000006 34.9 74.4 12 h after dark 21.5 2.7 40.3