condition mean min max 4 h after light 56.4 56.4 56.4 8 h after light 56.5 49.3 63.7 12 h after light 111.69999999999999 95.3 128.1 4 h after dark 73.65 65.2 82.1 8 h after dark 68.95 62.9 75.0 12 h after dark 78.8 64.3 93.3