condition mean min max 4 h after light 59.9 59.9 59.9 8 h after light 62.45 60.1 64.8 12 h after light 126.25 106.6 145.9 4 h after dark 127.2 121.6 132.8 8 h after dark 158.95 142.9 175.0 12 h after dark 134.95 119.9 150.0