condition	mean	min	max
4 h after light	9.648465	8.51243	10.7845
8 h after light	7.178145	7.02347	7.33282
12 h after light	7.374655	6.87613	7.87318
4 h after dark	9.168613333333333	8.5582	9.62932
8 h after dark	8.66781	8.43336	9.00023
12 h after dark	9.531126666666667	8.50613	10.6744