condition	mean	min	max
4 h after light	5.175223333333333	5.11311	5.2199599999999995
8 h after light	5.13658	5.0394	5.24631
12 h after light	5.297056666666666	5.27918	5.3121599999999995
4 h after dark	5.393096666666667	5.311	5.43826
8 h after dark	5.42424	5.33704	5.54401
12 h after dark	5.3959	5.23909	5.50194