condition mean min max 0 h after light 0.03148415 0.0 0.0629683 4 h after light 0.03104165 0.0 0.0620833 8 h after light 1.1741085 0.809867 1.53835 4 h after dark 0.0620875 0.0 0.124175 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0