condition mean min max 4 h after light 1.123235 0.468025 1.76778 8 h after light 1.511632 0.446496 2.2828 12 h after light 1.75637 1.08969 2.81545 4 h after dark 2.27809 1.78649 2.71519 8 h after dark 1.5856433333333333 1.25769 2.10405 12 h after dark 0.9232710000000001 0.589323 1.12259