condition mean min max 4 h after light 5.22443 4.61736 5.8315 8 h after light 4.182425 4.12676 4.23809 12 h after light 4.4699 3.96546 4.97434 4 h after dark 5.744493333333333 5.29531 6.23717 8 h after dark 6.0396833333333335 5.65875 6.34398 12 h after dark 5.03104 4.82063 5.17628