condition	mean	min	max
4 h after light	13.162299999999998	11.4363	14.8883
8 h after light	11.3933	11.3381	11.4485
12 h after light	12.353200000000001	12.1494	12.557
4 h after dark	15.0105	14.8149	15.3445
8 h after dark	18.691000000000003	18.2279	19.0546
12 h after dark	14.858033333333333	13.847	15.4136