condition	mean	min	max
4 h after light	51.49105	41.7179	61.2642
8 h after light	53.2147	50.0964	56.333
12 h after light	36.9601	35.2258	38.6944
4 h after dark	40.67485	37.0905	44.2592
8 h after dark	51.59485	49.6629	53.5268
12 h after dark	52.6854	52.2158	53.155