condition mean min max 4 h after light 45.6 45.6 45.6 8 h after light 33.3 7.7 58.9 12 h after light 3.6 2.3 4.9 4 h after dark 36.65 34.0 39.3 8 h after dark 30.95 25.6 36.3 12 h after dark 57.75 51.5 64.0