condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.053842 0.0 0.161526 9 h after light 0.0 0.0 0.0 12 h after light 0.041643 0.0 0.166572 3 h after dark 0.13832133333333332 0.0 0.231184 6 h after dark 0.14058266666666666 0.0 0.262974 9 h after dark 0.07919433333333332 0.0 0.237583 12 h after dark 0.141715 0.0 0.28343