jan 234,237,234,234,234, ---,--- avg 234.6
jan 238,234,---,236,240,236,236 avg 236
jan 234,235,235, 236, 238, 238, 237 avg 235.9
jan ---, 235, 232, 233,232,234,234 avg 233.3
jan ---,238, ---, ---, --- ,239,239 avg 239