condition	mean	min	max
4 h after light	3.24865	2.81399	3.68331
8 h after light	3.952565	3.24834	4.65679
12 h after light	6.766305	6.60107	6.93154
4 h after dark	6.4914000000000005	6.25114	6.73166
8 h after dark	4.92234	4.73265	5.11203
12 h after dark	4.977185	4.94713	5.00724