condition	mean	min	max
0 h after light	11.8152	11.6922	11.9382
4 h after light	13.45785	12.0334	14.8823
8 h after light	9.451425	8.37985	10.523
4 h after dark	14.7025	14.0828	15.3222
8 h after dark	15.9895	14.5725	17.4065
12 h after dark	15.4793	15.4521	15.5065