condition mean min max 4 h after light 49.2 49.2 49.2 8 h after light 29.35 27.2 31.5 12 h after light 41.9 14.5 69.3 4 h after dark 53.15 50.9 55.4 8 h after dark 39.4 24.3 54.5 12 h after dark 64.0 55.8 72.2