condition mean min max 4 h after light 224.0 224.0 224.0 8 h after light 203.85 166.2 241.5 12 h after light 180.8 134.2 227.4 4 h after dark 142.3 141.2 143.4 8 h after dark 156.05 119.9 192.2 12 h after dark 231.45000000000002 175.8 287.1