Grain producer Barry Large knew it wasn't going to be a record harvest but he wasn't anticipating yields this low.
"It's not looking great, our yield will be down 50 per cent plus," Mr Large said of his wheat and barley crops.
Export hay is looking even worse.
The West Australian cropper, who also chairs Grain Producers Australia, said it was similar in other parts of his state, which is the nation's biggest producer of winter crops.
A lack of rain is driving the drop in volumes.