condition	mean	min	max
0 h after light	10.012285	9.07657	10.948
4 h after light	10.9871	10.0497	11.9245
8 h after light	10.032565	9.60723	10.4579
4 h after dark	8.91459	8.18917	9.64001
8 h after dark	6.156755	5.24917	7.06434
12 h after dark	8.367735	6.40917	10.3263