condition mean min max 4 h after light 6.1 6.1 6.1 8 h after light 35.599999999999994 26.4 44.8 12 h after light 31.0 8.0 54.0 4 h after dark 11.7 5.4 18.0 8 h after dark 4.050000000000001 3.2 4.9 12 h after dark 2.4 1.8 3.0