condition mean min max 4 h after light 66.9 66.9 66.9 8 h after light 109.94999999999999 76.8 143.1 12 h after light 63.7 18.2 109.2 4 h after dark 83.85 83.2 84.5 8 h after dark 128.0 83.7 172.3 12 h after dark 158.10000000000002 151.4 164.8