condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.007534066666666666 0.0 0.0226022 9 h after light 0.008877933333333332 0.0 0.0266338 12 h after light 0.0172098 0.0 0.025069 3 h after dark 0.018439566666666667 0.0 0.02766 6 h after dark 0.0 0.0 0.0 9 h after dark 0.015169766666666666 0.0 0.0251898 12 h after dark 0.010664 0.0 0.021328