condition	mean	min	max
4 h after light	15.58871	7.89892	23.2785
8 h after light	7.038185	5.55662	8.51975
12 h after light	5.485305	5.40109	5.56952
4 h after dark	1.89418	1.74297	2.04539
8 h after dark	7.6339749999999995	7.43694	7.83101
12 h after dark	13.9042	13.6028	14.2056