condition	mean	min	max
4 h after light	6.56155	4.53225	8.59085
8 h after light	3.3529299999999997	3.30421	3.40165
12 h after light	10.324705	5.59551	15.0539
4 h after dark	16.3277	10.9718	21.6836
8 h after dark	12.05175	11.4056	12.6979
12 h after dark	11.2926	10.4581	12.1271