condition	mean	min	max
4 h after light	7.69215	7.58248	7.8242
8 h after light	7.75579	7.54977	7.91367
12 h after light	7.65012	7.60543	7.68467
4 h after dark	7.83692	7.601710000000001	8.05786
8 h after dark	7.849613333333333	7.68403	8.10736
12 h after dark	7.733113333333334	7.46465	7.876460000000001