condition	mean	min	max
4 h after light	3.98787	3.27623	4.69951
8 h after light	11.379100000000001	11.1879	11.5703
12 h after light	16.8342	16.5108	17.1576
4 h after dark	15.6094	14.698	16.5208
8 h after dark	12.364799999999999	11.6416	13.088
12 h after dark	7.453015000000001	7.10484	7.80119