condition mean min max 3 h after light 0.04875193333333333 0.0 0.0758131 6 h after light 0.033389 0.0 0.100167 9 h after light 0.016537266666666665 0.0 0.0496118 12 h after light 0.02582425 0.0 0.103297 3 h after dark 0.019033233333333333 0.0 0.0570997 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.043941 0.0 0.087882