condition	mean	min	max
4 h after light	12.63725	11.3491	13.9254
8 h after light	11.93405	10.3873	13.4808
12 h after light	13.082799999999999	12.5922	13.5734
4 h after dark	21.3196	21.0912	21.4441
8 h after dark	15.9661	14.0457	17.1185
12 h after dark	18.482566666666667	15.5503	21.703