condition mean min max 3 h after light 1.35992525 0.816653 1.8914 7 h after light 1.4287716666666666 0.888256 2.09368 11 h after light 1.9827649999999999 1.33131 2.61938 2 h after dark 1.7049275 1.05081 2.53479 6 h after dark 1.5054191666666668 1.00702 2.0017 10 h after dark 1.4170415 0.642096 2.31278