condition mean min max 4 h after light 572.8424333333334 551.0488 584.6386 8 h after light 506.37853333333334 382.0374 627.5082 12 h after light 473.08889999999997 419.5464 545.2133 16 h after light 558.6173 478.469 698.793 4 h after dark 841.9005333333333 756.8172 919.3095 8 h after dark 531.1974333333333 445.662 613.8181