condition mean min max 4 h after light 97.4 97.4 97.4 8 h after light 103.35000000000001 74.4 132.3 12 h after light 137.7 128.1 147.3 4 h after dark 98.14999999999999 48.6 147.7 8 h after dark 118.5 115.7 121.3 12 h after dark 67.3 66.6 68.0