condition	mean	min	max
4 h after light	7.891655	7.646142	8.137168
8 h after light	7.7025255	7.400221	8.00483
12 h after light	7.5110715	7.376001	7.646142
4 h after dark	8.092751	7.47796	8.707542
8 h after dark	8.2671435	7.646142	8.888145
12 h after dark	8.516425	8.516425	8.516425