Its results rest on two well-documented thermometer problems that artificially depress modern hot day counts, plus a station network that happens to be oversampled where the Dust Bowl happened. To be fair to its author, counting hot days in raw data really does produce this picture. While NOAA does not have daily homogenized data (they only provide monthly homogenized data), Berkeley Earth does. The homogenized data rises to around 1.4 times its mid-century baseline while the raw data stays flat at roughly 1.0. A Dust Bowl story, not a national oneThere is a second, subtler issue with interpreting the viral graph: geography.