Climate Decade in Review - Post 33: Phoenix Records Highest Overnight Temperature Ever

July 26, 2006 - Phoenix, Arizona recorded the highest low temperature ever recorded in its history. The low temperature overnight only dropped to 97 degrees Fahrenheit, which would be a record high temperature in many parts of the country.

One of the indicators that warming temperatures are caused by excess greenhouse gases rather than increased solar radiation is that winter and nighttime temperatures increase more rapidly than summer and daytime temperatures. This has, indeed, been the case over the last few decades. Although this record set in Phoenix cannot be directly attributed to climate change, the likelihood that higher nighttime temperatures in Phoenix and anywhere else increases as more greenhouse gases are added to our atmosphere.

This is one in the series of "Decade in Review" posts on this blog that began in January 2010. These posts present climate-change-related events that occurred during the 00's, the warmest decade in recorded history.

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