condition mean min max 4 h after light 29.3 29.3 29.3 8 h after light 51.0 40.7 61.3 12 h after light 8.350000000000001 7.9 8.8 4 h after dark 13.75 7.6 19.9 8 h after dark 9.05 2.0 16.1 12 h after dark 12.05 8.1 16.0