condition	mean	min	max
4 h after light	5.914820000000001	3.34316	8.48648
8 h after light	2.7755799999999997	1.67312	3.87804
12 h after light	7.14165	6.11394	8.16936
4 h after dark	18.153466666666667	15.2915	20.0285
8 h after dark	14.767533333333333	14.0617	15.1212
12 h after dark	7.9858	5.75781	10.0769