condition mean min max 4 h after light 45.1 45.1 45.1 8 h after light 60.900000000000006 55.9 65.9 12 h after light 45.95 42.9 49.0 4 h after dark 55.55 50.8 60.3 8 h after dark 67.25 67.2 67.3 12 h after dark 41.95 35.9 48.0