condition mean min max 0 h after light 9.857695 9.84197 9.87342 2 h after light 9.61366 9.47568 9.75164 4 h after light 7.917445 7.80165 8.03324 8 h after light 4.99142 4.44016 5.54268 12 h after light 6.809285 6.53225 7.08632 2 h after dark 5.412675 4.8526 5.97275 4 h after dark 5.2707049999999995 4.45526 6.08615 8 h after dark 9.00549 8.58533 9.42565 12 h after dark 8.92688 8.68625 9.16751