condition	mean	min	max
4 h after light	20.7033605	18.840268	22.566453
8 h after light	14.4255755	13.748756	15.102395
12 h after light	12.626708	12.553266	12.70015
4 h after dark	10.169796999999999	9.460478	10.879116
8 h after dark	10.961247499999999	9.951087	11.971408
12 h after dark	19.86958	19.86958	19.86958