condition	mean	min	max
4 h after light	2.3091049999999997	1.23021	3.388
8 h after light	6.50371	5.4526	7.55482
12 h after light	14.8135	12.2119	17.4151
4 h after dark	6.4437299999999995	6.18375	6.7334
8 h after dark	7.883523333333334	7.12416	9.03645
12 h after dark	1.8727266666666669	0.0	4.1504