condition	mean	min	max
4 h after light	10.273121	9.108292	11.43795
8 h after light	14.834869000000001	13.220147	16.449591
12 h after light	10.308119	8.924811	11.691427
4 h after dark	19.809343	13.720212	25.898474
8 h after dark	18.199469	14.469195	21.929743
12 h after dark	11.230008	11.230008	11.230008