condition mean min max 4 h after light 46.3 46.3 46.3 8 h after light 54.3 45.8 62.8 12 h after light 87.85 75.1 100.6 4 h after dark 68.45 58.9 78.0 8 h after dark 54.95 25.1 84.8 12 h after dark 65.45 64.4 66.5