condition	mean	min	max
0 h after light	3.419605	3.10002	3.73919
4 h after light	4.1868549999999995	3.41582	4.95789
8 h after light	7.9174299999999995	7.41565	8.41921
4 h after dark	7.29441	6.61094	7.97788
8 h after dark	6.18136	5.37842	6.9843
12 h after dark	4.097255	3.21911	4.9754