condition mean min max 4 h after light 885.881 387.765 1277.3 8 h after light 1111.304 334.612 1821.85 12 h after light 285.62766666666664 171.862 436.704 4 h after dark 183.35833333333332 127.166 219.191 8 h after dark 101.1972 41.8656 159.832 12 h after dark 147.311 123.358 163.536