condition	mean	min	max
4 h after light	9.266784999999999	8.9156	9.61797
8 h after light	6.249005	5.2182	7.27981
12 h after light	9.075955	9.01617	9.13574
4 h after dark	9.201765	8.77173	9.6318
8 h after dark	10.3741	10.0923	10.6559
12 h after dark	10.517389999999999	9.39588	11.6389