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All 50 states have below freezing temperatures

Meteorologist Tim Buckley of WFMY-TV writes on Facebook: All 50 states have low temperatures BELOW freezing tonight. (Monday night) Yes, even Hawaii. Tall mountain peaks there regularly get below freezing, and even get snow. This typically happens a few times during winter, but is very rare this early in the season. Pretty neat! The low…

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USHCN Monthly Temperature Adjustments

Guest Essay By Walter Dnes There have been a number of posts on USHCN temperature adjustments, including 1, 2, 3, 4, 5 and 6. They have focused primarily on annual adjustments. Whilst looking into the USHCN adjustments, I noticed that each of the 12 months is adjusted differently. Here is a plot of average USHCN temperature adjustments, for each month…