condition mean min max 4 h after light 7.44704 2.20854 14.3419 8 h after light 4.980306666666666 1.30026 8.50894 12 h after light 6.21623 2.82644 10.842 4 h after dark 9.273613333333333 6.05597 12.559 8 h after dark 7.301903333333334 4.67738 9.08975 12 h after dark 9.90718 4.72604 15.16