condition	mean	min	max
0 h after light	7.821479999999999	7.69588	7.94708
4 h after light	5.9177800000000005	5.7762	6.05936
8 h after light	7.182964999999999	6.76167	7.60426
4 h after dark	7.873519999999999	7.38877	8.35827
8 h after dark	8.225775	8.0507	8.40085
12 h after dark	6.697485	6.66658	6.72839