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U.S. Climate Monitoring National Overview
May 2005 National Climatic Data Center Asheville, North Carolina 6 June 2005
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Global Analysis / Global Hazards /
United States / U.S. Drought /
Extremes
Use these links to access detailed analyses of Global and U.S. data
Maps and Graphics:
It should be emphasized that all of the temperature and precipitation ranks and values are based on preliminary data. The ranks will change when the final data are processed, but will not be replaced on these pages. Graphics based on final data are available on the Climate Monitoring Products page.
For graphics covering periods other than those mentioned above or for tables of national, regional, and statewide data from 1895-present, for May, last 3 months or other periods, please go to the Climate At A Glance page
National Overview:
MAY:
- May temperatures were below average for most of the eastern part of the nation and slightly above average for the western U.S. For information on temperature records during the month, please go to NCDC's Extremes page
- The precipitation signal was near average for the nation with conditions being wetter than average in the West and far Northeast and remaining generally drier than average in the Mississippi Valley through the Great Lakes and parts of the Northeast. For more information on drought during May, please visit the U.S. Drought page.
SPRING (March-May):
- Spring temperatures were above average for the U.S. with below average temperatures for most of the eastern part of the nation and above average for the western U.S. For information on temperature records during the season, please go to NCDC's Extremes page
- The precipitation signal was near average for the nation with conditions being wetter than average in the West and Northeast and remaining generally drier than average from the South, through the Mississippi Valley and across the Great Lakes. For more information on drought during spring, please visit the U.S. Drought page.
- Indices used to determine the state of ENSO suggest that the Equatorial Pacific is transitioning from a weak warm phase (El Niño), to ENSO neutral conditions. Sea Surface Temperatures were slightly above normal across the central and western equatorial Pacific during May, though with somewhat weaker positive anomalies than in previous months. To see the latest NOAA advisory and typical impacts of a La Niña or El Niño episode for the U.S., go to NOAA's Climate Prediction Center.
For additional details, see the Monthly Highlights section.
For details and graphics on weather events across the U.S. and the globe go to NCDC's Global Hazards page.
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Monthly and Seasonal Highlights:
National:
For tables of national, regional, and statewide data from 1895-present, for May, last 3 months or other periods, please go to the Climate At A Glance page.
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- May 2005 ranked as the 48th coldest May in the 1895 to present record. The preliminary nationally averaged temperature was 60.7°F (15.9°C), which was 0.4°F (0.2°C) below the long-term mean.
- May 2005 had near average precipitation, nationally, ranking 49th driest.
- March-May temperature was above average and ranked as the 35th warmest such period in the 1895 to present record. The preliminary nationally averaged temperature for March-May was 52.4°F (11.3°C) which was 0.5°F (0.3°C) above the long-term mean.
- March-May had near average precipitation, ranking 57th driest in the last 111 years.
- The June 2004-May 2005 temperature was above average and ranked as the 20th warmest such period in the 1895 to present record. The preliminary nationally averaged temperature was 53.7°F (12.1°C) which was 0.9°F (0.5°C) above the long-term mean.
- Precipitation was much above average for June-May, ranking 5th wettest for the last 12 months based on a record of 110 such periods.
Regional and Statewide:
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It should be emphasized that all of the temperature and precipitation ranks and values are based on preliminary data. The ranks will change when the final data are processed, but will not be replaced on these pages. Graphics based on final data are available on the Climate Monitoring Products page.
For all climate questions other than questions concerning this report, please contact the National Climatic Data Center's Climate Services Division:
Climate Services Division NOAA/National Climatic Data Center 151 Patton Avenue Asheville, NC 28801-5001 fax: 828-271-4876 phone: 828-271-4800 email: ncdc.info@noaa.gov
For further information on the historical climate perspective presented in this report, contact:
Jay Lawrimore NOAA/National Climatic Data Center 151 Patton Avenue Asheville, NC 28801-5001 fax: 828-271-4328 email: Jay.Lawrimore@noaa.gov
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NCDC / Climate Monitoring / May / U.S. Climate / Search / Help
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