condition mean min max 0 h after light 0.7969605 0.746449 0.847472 2 h after light 1.91621 1.90292 1.9295 4 h after light 1.64853 1.40906 1.888 8 h after light 2.937565 2.54608 3.32905 12 h after light 5.624365 4.74895 6.49978 2 h after dark 0.7484495 0.634535 0.862364 4 h after dark 1.31965 1.30643 1.33287 8 h after dark 1.109533 0.919236 1.29983 12 h after dark 0.847775 0.790919 0.904631