condition mean min max 4 h after light 921.2325519999999 691.660624 1150.80448 8 h after light 782.362922 716.376416 848.349428 12 h after light 777.1074445 644.739316 909.475573 4 h after dark 1278.394565 803.382656 1753.406474 8 h after dark 1595.1471255000001 1213.927245 1976.367006 12 h after dark 1296.001288 1296.001288 1296.001288