condition	mean	min	max
4 h after light	13.3631	10.7935	15.9327
8 h after light	12.2322	12.1759	12.2885
12 h after light	7.003485	6.93099	7.07598
4 h after dark	8.2037	7.11524	9.00778
8 h after dark	6.09678	5.10102	7.48228
12 h after dark	11.418056666666667	9.84447	13.4561