condition	mean	min	max
4 h after light	3.584895	3.06935	4.10044
8 h after light	2.14193	2.09821	2.18565
12 h after light	2.6638450000000002	2.12446	3.20323
4 h after dark	3.758215	3.53453	3.9819
8 h after dark	3.3077699999999997	2.87409	3.74145
12 h after dark	3.737235	3.51476	3.95971