condition mean min max 4 h after light 5.5 5.5 5.5 8 h after light 31.2 27.6 34.8 12 h after light 17.05 5.0 29.1 4 h after dark 27.5 19.1 35.9 8 h after dark 5.4 3.0 7.8 12 h after dark 5.449999999999999 1.2 9.7