condition	mean	min	max
0 h after light	8.51973	8.31025	8.72921
4 h after light	5.743705	5.56836	5.91905
8 h after light	4.76224	4.35033	5.17415
4 h after dark	6.053635	5.88693	6.22034
8 h after dark	6.462854999999999	6.33038	6.59533
12 h after dark	6.651835	6.29376	7.00991