condition mean min max 0 h after light 60.89545 59.2866 62.5043 4 h after light 145.649 126.024 165.274 8 h after light 140.0205 124.815 155.226 4 h after dark 90.0124 82.8539 97.1709 8 h after dark 74.5728 71.5989 77.5467 12 h after dark 71.04615 68.4199 73.6724