condition mean min max 4 h after light 0.006182465 0.00453798 0.00782695 8 h after light 0.004955845 0.0 0.00991169 12 h after light 0.00642315 0.0 0.0128463 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0131032 0.0 0.0211792 12 h after dark 0.013859586666666666 0.0 0.0373538