condition mean min max 4 h after light 47.3 47.3 47.3 8 h after light 113.2 43.4 183.0 12 h after light 87.0 3.0 171.0 4 h after dark 79.94999999999999 42.3 117.6 8 h after dark 45.15 7.0 83.3 12 h after dark 121.75 82.1 161.4