condition mean min max 4 h after light 1.71259 1.40945 2.01573 8 h after light 1.3988399999999999 1.1913 1.60638 12 h after light 1.52787 1.12797 1.92777 4 h after dark 2.9224833333333335 2.41405 3.2915 8 h after dark 2.269083333333333 1.2713 2.77513 12 h after dark 3.1407333333333334 2.81503 3.58749