condition mean min max 4 h after light 67.0 67.0 67.0 8 h after light 75.95 69.5 82.4 12 h after light 71.95 36.5 107.4 4 h after dark 53.45 30.6 76.3 8 h after dark 52.35 50.0 54.7 12 h after dark 69.35 51.0 87.7