condition	mean	min	max
4 h after light	16.077308	13.35038	18.804236
8 h after light	12.966708	10.64421	15.289206
12 h after light	12.5845965	11.881165	13.288028
4 h after dark	9.254016	7.993186	10.514846
8 h after dark	10.264761499999999	9.50802	11.021503
12 h after dark	12.406134	12.406134	12.406134