condition	mean	min	max
4 h after light	2.2449149999999998	1.69071	2.79912
8 h after light	2.002675	1.86432	2.14103
12 h after light	2.41442	2.13551	2.69333
4 h after dark	4.07361	2.93946	5.35243
8 h after dark	2.43017	1.8838	2.94598
12 h after dark	2.077983333333333	1.58212	2.39708