condition	mean	min	max
0 h after light	14.59435	13.4381	15.7506
4 h after light	6.795014999999999	6.43544	7.15459
8 h after light	6.044585	5.31798	6.77119
4 h after dark	9.88581	9.43652	10.3351
8 h after dark	12.691949999999999	12.6123	12.7716
12 h after dark	11.75905	10.5678	12.9503