condition mean min max 4 h after light 102.8 102.8 102.8 8 h after light 22.75 19.5 26.0 12 h after light 9.35 3.5 15.2 4 h after dark 31.55 5.6 57.5 8 h after dark 24.6 8.0 41.2 12 h after dark 9.55 7.2 11.9