condition mean min max 4 h after light 587.1671333333334 494.5417 667.7273 8 h after light 374.1847 307.974 465.9051 12 h after light 526.6614333333333 441.9297 622.7922 16 h after light 557.8704333333333 455.5542 699.5547 4 h after dark 747.5517 691.775 778.1209 8 h after dark 547.5071666666666 403.0728 717.0018