condition	mean	min	max
4 h after light	14.998313	12.498447	17.498179
8 h after light	12.050154500000001	11.884581	12.215728
12 h after light	12.698139999999999	11.744705	13.651575
4 h after dark	14.312317499999999	13.820423	14.804212
8 h after dark	19.774982	18.87858	20.671384
12 h after dark	12.685265	12.685265	12.685265