condition	mean	min	max
4 h after light	2.59269	2.36046	2.82492
8 h after light	2.725965	2.50065	2.95128
12 h after light	3.25307	3.12237	3.38377
4 h after dark	2.818215	2.6361	3.00033
8 h after dark	1.8924750000000001	1.86877	1.91618
12 h after dark	2.372105	1.96668	2.77753