condition	mean	min	max
4 h after light	9.093119999999999	7.81414	10.3721
8 h after light	11.957799999999999	11.8272	12.0884
12 h after light	12.729849999999999	11.5938	13.8659
4 h after dark	19.411949999999997	18.938	19.8859
8 h after dark	15.5337	14.0691	16.9983
12 h after dark	13.853950000000001	13.769	13.9389