US : Six Of The Ten Hottest Years Came During The 1930s

DailyRecordsUS

Index of /pub/data/ghcn/daily/hcn/

There are 863 US HCN stations which have been continuously active since at least 1930. The six hottest years (measured by number of all-time daily records at those stations) all came during the 1930’s.

Note that 2012 looks like it was a hot year, but that was primarily due to a lot mild springtime temperatures – rather than summer heat.

About stevengoddard

Just having fun
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2 Responses to US : Six Of The Ten Hottest Years Came During The 1930s

  1. X says:

    Makes sense absolutely, both the AMO and PDO were strong positive at that time.
    The aa-index was also large especially in the late 1930’s

    much more than the present levels.

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