Washington is unique for 2012 weather conditions

While much of the country suffered through record heat and extreme drought in 2012, Washington state was doing its own thing up in the corner of the map, according to an annual report from the National Climatic Data Center.

Source: National Climatic Data Center
Source: National Climatic Data Center

Across the contiguous United States, the average temperature last year was the highest ever recorded, with records going back to 1895. The yearly average of 55.3 degrees was 3.3 degrees above the 20th-Century average and 1 degree warmer than the previous high record set in 1998.

A map issued by NCDA, a branch of the National Oceanic and Atmospheric Administration, shows 19 states with all-time high temperatures for the year and 28 states with temperatures far above normal. Only Washington state came through the year with an average temperature “above normal,” as shown on the map.

Specifically, only 29 of the past 118 years were warmer than 2012 in this state, so conditions were by no means cool from a historical perspective. Check out historical temperature data for each state on the NCDA website.

When it came to rainfall, things were a little more mixed across the country, but again Washington — along with Oregon — stand out as anomalies, having some of the wettest conditions ever experienced.

Source: National Climatic Data Center
Source: National Climatic Data Center

Across the contiguous United States, precipitation averaged 26.57 inches, some 2.57 inches below the 20th-Century average. Overall, 2012 is considered the 15th driest year on record.

Nebraska and Wyoming broke their all-time record for lowest precipitation. Nebraska’s annual precipitation of 13.04 inches in 2012 was nearly 10 inches below average. Eight states experienced drought that placed 2012 among the ten driest years on record.

Overall, the footprint of summer drought across the midsection of the country was on par with the drought of the 1950s, in which 60 percent of the contiguous U.S. was in moderate to exceptionally dry conditions, according to the new report. As in the 1950s, farmers living in the Midwest, Plains and Mountain West states experienced severe problems, including crop failures.

On the other hand, Washington state nearly broke the record for heavy precipitation during the calendar year, according to the report. Only four out of the past 118 years were wetter. The statewide precipitation of 47.24 inches was 10.40 inches above average. For the spring season (March-May), only two years in recorded history were wetter.

Oregon also experienced precipitation well above average, with only 11 wetter years in the record book. Meanwhile, surrounding states — California, Nevada and Idaho — came in close to their annual average.

The full annual report, with lots of links to additional data, can be viewed on the page called “State of the Climate National Overview Annual 2012.”

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