condition mean min max 4 h after light 4.156609333333333 3.464988 5.462212 8 h after light 3.812931 2.7659849999999997 5.389684 12 h after light 4.131012 1.8678029999999999 6.592060000000001 16 h after light 4.580883666666667 3.262842 6.601031 4 h after dark 4.384017666666667 3.155616 6.376963 8 h after dark 1.7583396666666666 1.626606 1.8794330000000001