condition mean min max 4 h after light 46.4 46.4 46.4 8 h after light 41.85 40.6 43.1 12 h after light 84.0 39.3 128.7 4 h after dark 115.3 78.5 152.1 8 h after dark 86.8 56.0 117.6 12 h after dark 77.2 57.6 96.8