condition mean min max 4 h after light 185.1 185.1 185.1 8 h after light 225.3 211.6 239.0 12 h after light 226.4 218.3 234.5 4 h after dark 224.25 221.6 226.9 8 h after dark 217.60000000000002 203.4 231.8 12 h after dark 248.95 227.6 270.3