condition mean min max 3 h after light 1.5310366666666666 1.0543 2.45279 6 h after light 1.3440633333333334 1.11895 1.60868 9 h after light 1.48591 1.42145 1.58595 12 h after light 1.90511525 0.806791 3.02411 3 h after dark 2.7767 2.33085 3.40507 6 h after dark 3.0175366666666665 2.61845 3.33189 9 h after dark 2.80199 2.20486 3.94986 12 h after dark 2.6528799999999997 2.39721 2.90855