condition	mean	min	max
4 h after light	5.69794	4.53889	6.85699
8 h after light	5.04765	4.77638	5.31892
12 h after light	6.209185	5.99173	6.42664
4 h after dark	7.411103333333333	7.06946	7.87278
8 h after dark	8.436073333333333	7.95946	9.34119
12 h after dark	6.68834	5.90651	7.11885