condition mean min max 4 h after light 143.3 143.3 143.3 8 h after light 159.45 152.9 166.0 12 h after light 112.19999999999999 66.2 158.2 4 h after dark 119.35 71.6 167.1 8 h after dark 96.2 55.1 137.3 12 h after dark 112.94999999999999 78.2 147.7