condition	mean	min	max
0 h after light	9.042315	8.30915	9.77548
4 h after light	14.945799999999998	14.1359	15.7557
8 h after light	13.34915	11.4586	15.2397
4 h after dark	10.054645	8.87929	11.23
8 h after dark	10.874465	9.62763	12.1213
12 h after dark	12.612225	7.51405	17.7104