condition	mean	min	max
0 h after light	7.1769300000000005	6.63159	7.72227
4 h after light	5.75262	5.67219	5.83305
8 h after light	5.972295	5.9441	6.00049
4 h after dark	6.351445	5.59456	7.10833
8 h after dark	7.84674	7.54332	8.15016
12 h after dark	7.01701	6.86345	7.17057