condition	mean	min	max
4 h after light	4.293085	3.92653	4.65964
8 h after light	4.338115	4.29392	4.38231
12 h after light	4.509665	4.28638	4.73295
4 h after dark	4.45245	3.8623	5.0426
8 h after dark	3.920205	3.91733	3.92308
12 h after dark	4.103865	3.81664	4.39109