condition	mean	min	max
4 h after light	19.435699999999997	17.1618	21.7096
8 h after light	13.853349999999999	13.5474	14.1593
12 h after light	10.31715	10.1894	10.4449
4 h after dark	13.4382	12.0539	15.1671
8 h after dark	12.643533333333334	12.1971	13.3687
12 h after dark	14.439333333333334	12.7199	17.0189