condition	mean	min	max
2 h after light	6.27822	5.33956	7.04107
6 h after light	7.056168333333334	5.55663	7.93328
10 h after light	7.80132	5.6765	9.34001
14 h after light	7.5112966666666665	5.98428	9.55951
18 h after light	7.380599999999999	5.58243	8.70407
2 h after dark	9.082758333333334	7.36708	11.2369