condition	mean	min	max
4 h after light	6.098834999999999	5.6868	6.51087
8 h after light	4.76568	4.74671	4.78465
12 h after light	4.45871	3.46286	5.45456
4 h after dark	10.852395	9.78709	11.9177
8 h after dark	10.046700000000001	9.0058	11.0876
12 h after dark	7.450654999999999	5.78635	9.11496