condition mean min max 4 h after light 50.2 50.2 50.2 8 h after light 64.25 55.0 73.5 12 h after light 100.94999999999999 75.3 126.6 4 h after dark 96.45 94.0 98.9 8 h after dark 80.44999999999999 69.1 91.8 12 h after dark 84.5 77.9 91.1