condition	mean	min	max
0 h after light	6.8461099999999995	6.65745	7.03477
4 h after light	2.709675	1.88824	3.53111
8 h after light	3.474235	3.24919	3.69928
4 h after dark	5.564185	5.55321	5.57516
8 h after dark	6.761375	5.97799	7.54476
12 h after dark	6.427575	5.28237	7.57278