condition	mean	min	max
4 h after light	48.145632000000006	15.776407	80.514857
8 h after light	15.702137	14.738366	16.665908
12 h after light	15.4199855	12.283558	18.556413
4 h after dark	14.0693045	13.396396	14.742213
8 h after dark	13.623095	13.555393	13.690797
12 h after dark	18.393093	18.393093	18.393093