condition	mean	min	max
4 h after light	12.1243	10.7126	13.536
8 h after light	19.9304	19.7099	20.1509
12 h after light	18.473	17.5826	19.3634
4 h after dark	19.153066666666668	18.547	19.8536
8 h after dark	15.5516	14.8964	15.9476
12 h after dark	12.852266666666667	10.9873	14.1411