condition	mean	min	max
0 h after light	14.4657	13.8595	15.0719
4 h after light	7.9307549999999996	7.09979	8.76172
8 h after light	8.005379999999999	7.99268	8.01808
4 h after dark	12.6697	12.3717	12.9677
8 h after dark	12.5546	11.4587	13.6505
12 h after dark	11.58095	10.5558	12.6061