condition mean min max 4 h after light 131.579 127.935 135.223 8 h after light 174.83800000000002 155.93 193.746 12 h after light 144.291 143.826 144.756 4 h after dark 262.7765 217.663 307.89 8 h after dark 212.1695 211.188 213.151 12 h after dark 195.94 188.452 203.428