condition	mean	min	max
4 h after light	13.304143	5.111479	19.52724
8 h after light	16.242813333333334	10.599839999999999	19.1216
12 h after light	5.640647	4.114224	6.854660000000001
16 h after light	6.028408	5.679317	6.361978
4 h after dark	10.356683	7.452802	13.97405
8 h after dark	8.380365666666666	3.955337	13.35914