condition mean min max 0 h after light 6.30078 6.18518 6.41638 2 h after light 6.754675000000001 6.1866 7.32275 4 h after light 8.198285 7.82666 8.56991 8 h after light 6.49255 5.90062 7.08448 12 h after light 4.975115000000001 3.85107 6.09916 2 h after dark 6.82655 5.66448 7.98862 4 h after dark 6.757705 6.05744 7.45797 8 h after dark 4.278215 3.92116 4.63527 12 h after dark 5.9519 5.54154 6.36226