condition	mean	min	max
4 h after light	3.9589499999999997	3.76526	4.15264
8 h after light	3.18747	3.01048	3.36446
12 h after light	4.831485000000001	4.79982	4.86315
4 h after dark	6.093135	5.63792	6.54835
8 h after dark	6.301825	6.17522	6.42843
12 h after dark	5.928595	5.8388	6.01839