condition	mean	min	max
4 h after light	9.078299999999999	8.449834	9.706766
8 h after light	8.7576985	8.609535	8.905862
12 h after light	8.520724000000001	8.127003	8.914445
4 h after dark	7.2476590000000005	6.673371	7.821947
8 h after dark	6.63068	6.518345	6.743015
12 h after dark	8.976704	8.976704	8.976704