condition	mean	min	max
0 h after light	12.887550000000001	12.8756	12.8995
4 h after light	15.09225	14.7032	15.4813
8 h after light	14.08845	13.6314	14.5455
4 h after dark	18.4294	17.9359	18.9229
8 h after dark	15.69755	15.5319	15.8632
12 h after dark	14.7057	13.6537	15.7577