condition mean min max 4 h after light 123.5 123.5 123.5 8 h after light 118.05 92.9 143.2 12 h after light 145.05 122.9 167.2 4 h after dark 133.89999999999998 132.1 135.7 8 h after dark 150.6 135.7 165.5 12 h after dark 152.7 151.2 154.2