condition	mean	min	max
4 h after light	9.7979795	9.122598	10.473361
8 h after light	9.2837305	9.267739	9.299722
12 h after light	9.306987	9.079135	9.534839
4 h after dark	9.7512675	9.66448	9.838055
8 h after dark	9.5809245	9.317885	9.843964
12 h after dark	8.233212	8.233212	8.233212