condition mean min max 4 h after light 0.174531 0.0 0.523593 8 h after light 0.4866486666666667 0.141339 0.76024 12 h after light 0.48471933333333334 0.282823 0.600287 4 h after dark 0.6176036666666667 0.472538 0.801368 8 h after dark 0.701561 0.525708 0.78983 12 h after dark 0.6479590000000001 0.415227 0.973507