condition	mean	min	max
4 h after light	11.6324	11.5502	11.7146
8 h after light	12.00045	11.6233	12.3776
12 h after light	13.1691	12.5625	13.7757
4 h after dark	17.19725	17.1524	17.2421
8 h after dark	20.94795	20.2944	21.6015
12 h after dark	17.98845	17.8391	18.1378