Tuesday, July 10, 2012

January - June 2012 Statewide Temperature Ranks

From NOAA/NCDC:
  • Climate Highlights — Year-to-Date (January-June)
  • The January-June period was the warmest first half of any year on record for the contiguous United States. The national temperature of 52.9°F was 4.5°F above average. Most of the contiguous U.S. was record and near-record warm for the six-month period, except the Pacific Northwest. Twenty-eight states east of the Rockies were RECORD WARM (including Nebraska) an additional 15 states were top ten warm.
  • The first six months of 2012 were also drier than average for much of the contiguous U.S., with a nationally-averaged precipitation total 1.62 inches below average. Drier-than-average conditions stretched from the West, through the Central Plains, into the Ohio Valley and Mid-Atlantic. Fourteen states in total had precipitation totals for the six-month period among their ten driest.
  • Wetter-than-average conditions were present for the Northwest and Upper Midwest, where Minnesota, Oregon, and Washington had six-month precipitation totals among their ten wettest.
  • The U.S. Climate Extremes Index (USCEI), an index that tracks the highest and lowest 10 percent of extremes in temperature, precipitation, drought and tropical cyclones across the contiguous U.S., was a record-large 44 percent during the January-June period, over twice the average value. Extremes in warm daytime temperatures (83 percent) and warm nighttime temperatures (70 percent) covered large areas of the nation, contributing to the record high value.


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