condition mean min max 0 h after light 0.0412849 0.0 0.0825698 4 h after light 0.126199 0.0 0.252398 8 h after light 0.04202555 0.0 0.0840511 4 h after dark 0.0 0.0 0.0 8 h after dark 0.08166365 0.081321 0.0820063 12 h after dark 0.0 0.0 0.0