condition mean min max 4 h after light 10.221113333333333 10.023639999999999 10.32139 8 h after light 9.662803333333335 9.26502 9.932080000000001 12 h after light 9.28096 9.0502 9.42218 4 h after dark 9.89222 9.7428 10.09005 8 h after dark 10.055629999999999 9.88517 10.152439999999999 12 h after dark 10.264710000000001 10.198210000000001 10.35191