condition	mean	min	max
4 h after light	11.5578	10.2045	12.9111
8 h after light	12.238	11.8871	12.5889
12 h after light	13.939	13.4984	14.3796
4 h after dark	18.56785	17.703	19.4327
8 h after dark	14.69605	12.774	16.6181
12 h after dark	17.39935	17.3889	17.4098