condition	mean	min	max
4 h after light	12.6327	12.1513	13.1141
8 h after light	14.3013	13.9788	14.6238
12 h after light	14.95235	14.8096	15.0951
4 h after dark	16.5285	15.7439	17.3131
8 h after dark	15.8087	15.227	16.3904
12 h after dark	15.87215	15.651	16.0933