condition mean min max 4 h after light 106.7 106.7 106.7 8 h after light 96.85 92.5 101.2 12 h after light 100.65 78.9 122.4 4 h after dark 108.15 71.0 145.3 8 h after dark 162.89999999999998 136.2 189.6 12 h after dark 194.95 168.2 221.7