condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.008815933333333333 0.0 0.0264478 3 h after dark 0.010174333333333334 0.0 0.030523 6 h after dark 0.0 0.0 0.0 9 h after dark 0.010766633333333333 0.0 0.0322999 12 h after dark 0.0 0.0 0.0