condition	mean	min	max
4 h after light	13.049534	12.799895	13.299173
8 h after light	11.044739	10.912873	11.176605
12 h after light	10.785542	9.699257	11.871827
4 h after dark	9.117749	8.335426	9.900072
8 h after dark	8.8640035	8.605562	9.122445
12 h after dark	11.336213	11.336213	11.336213