condition mean min max 4 h after light 9.03506 5.20845 13.1154 8 h after light 6.49587 1.49649 11.03 12 h after light 8.05643 5.25873 11.7627 4 h after dark 10.120733333333334 7.9411 11.9016 8 h after dark 11.71078 7.59564 14.0687 12 h after dark 14.328833333333334 12.6403 16.4112