condition mean min max 4 h after light 102.1 102.1 102.1 8 h after light 123.85 107.6 140.1 12 h after light 157.2 137.3 177.1 4 h after dark 176.89999999999998 149.6 204.2 8 h after dark 176.8 161.5 192.1 12 h after dark 126.35 124.6 128.1