condition	mean	min	max
4 h after light	4910.911111333333	3175.84	5861.676667
8 h after light	3618.8244446666667	2571.38	4265.646667
12 h after light	3457.207777666667	3134.923333	3949.276667
1.5 h after dark	7862.000000333333	7149.206667	8287.106667
5.5 h after dark	11910.43222	11607.44	12471.83333
9.5 h after dark	10104.122221	8087.07	13953.36333