condition	mean	min	max
0 h after light	19.620449999999998	18.3638	20.8771
4 h after light	11.6029	10.4425	12.7633
8 h after light	9.14566	9.12265	9.16867
4 h after dark	10.47438	9.60186	11.3469
8 h after dark	11.680800000000001	11.0248	12.3368
12 h after dark	15.4265	12.038	18.815