condition mean min max 4 h after light 6.9 6.9 6.9 8 h after light 24.299999999999997 9.3 39.3 12 h after light 19.25 6.5 32.0 4 h after dark 54.650000000000006 52.1 57.2 8 h after dark 27.95 5.5 50.4 12 h after dark 20.450000000000003 3.7 37.2