condition	mean	min	max
0 h after light	7.28806	7.19738	7.37874
4 h after light	6.6004950000000004	5.63879	7.5622
8 h after light	6.614975	5.92982	7.30013
4 h after dark	10.128745	9.43999	10.8175
8 h after dark	8.87993	8.38907	9.37079
12 h after dark	6.845925	5.91445	7.7774