Climate Monitoring / Climate of 2006 / June / U.S. Climate / Help
U.S. National Overview
June 2006
National Climatic Data Center
Asheville, North Carolina
5 July 2006
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Global Analysis / Global Hazards /
United States / U.S. Drought /
Extremes
Maps and Graphics:
It should be emphasized that all 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 June, last 3 months or other periods, please go to the Climate At A Glance page.
National Overview:
- June temperatures were much above normal for the contiguous United States. Nationally, it was the second warmest June in the 1895-2006 record. Western regions were all much-above-normal, with Nevada experiencing its second warmest June on record. Only the Central and Southeast regions were near-normal. No region had below-normal temperatures in June, although five states (Kentucky, Ohio, Pennsylvania, West Virginia, and South Carolina) were cooler-than-normal in June. For information on temperature records during the month, please visit NCDC's Extremes page.
- Nationally, precipitation was below-normal for June, ranking as 25th driest June in the 112 year record (1895-2006). However, regionally, the Northeast had its second wettest June on record, while the East North Central was much-below-normal for the month. Numerous states in the Mid-Atlantic and New England experienced one of their top three wettest Junes, and Delaware had its wettest June on record. Much of the above-normal precipitation for the Northeast came as a result of an exceptionally heavy rainfall event during the last week of June that generated local precipitation records from Washington, D.C., up through central New York state. Resulting flooding claimed over a dozen lives and forced the evacuation of hundreds of thousands of residents as dams and levees were in danger of failure. Significant drought continued in the Southern Plains and Desert Southwest, with exceptional drought persisting in southernmost Texas and southeastern Arizona. For more information on drought during June, please visit the U.S. Drought page.
- Tropical Storm Alberto led off the Atlantic 2006 Tropical Cyclone Season. Alberto became a named Tropical Storm on June 11th and dissipated on the 14th, reaching maximum sustained winds of 40 kts (46 mph or 74 km h-1). For statistics on the Atlantic storm season, please see NCDC's 2006 Atlantic basin Tropical Cyclone page. The Atlantic season began on 01 June.
For additional details, see the Monthly Highlights section.
For details and graphics on weather events across the U.S. and the globe please visit NCDC's Global Hazards page.
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Monthly and Seasonal Highlights:
National:
For additional national, regional, and statewide data and graphics from 1895-present, for June, the last 3 months or other periods, please go to the Climate At A Glance page.
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- June 2006 was the second warmest June in the 1895-2006 record. The preliminary nationally averaged temperature was 71.8°F (22.1°C), which was 2.5°F (1.4°C) above the 1901-2000 (20th century) June mean.
- June had below average precipitation nationally, ranking as the 25th driest June in the 1895-2006 record. An average 2.58 inches (66 mm) fell over the contiguous U.S. in June, 0.3 inches (8 mm) below the 20th century mean for the month.
- April-June was the warmest such period in the 1895-to-present record. The preliminary nationally averaged April-June temperature was 64.0°F (17.8°C), which was 3.2°F (1.8°C) above the 1901-2000 average for the period. April-June was also the 25th driest such period on record. An average of 7.42 inches (188 mm) of precipitation fell, which was 0.8 inches (20 mm) below the 20th century mean.
- The year-to-date (Jan-June) nationally-averaged temperature was 51.8°F (11°C), which at 3.4°F (1.9°C) above the 20th century mean, ranked as the warmest such period in the 112 year record. At 13.61 inches (346 mm), January - June precipitation was 1.2 inches (30 mm) below normal, ranking it as 22nd driest such period in the 1895-2006 record.
- The July 2005 - June 2006 is ranked as the warmest such period in the 1895-2006 record. The preliminary nationally-averaged 12-month temperature was 55.3°F (12.9°C), or 2.5°F (1.4°C) above the 20th century mean. Precipitation was below average for the July 2005 - June 2006 period, ranking it as the 35th driest July-June in the 111 record. Nationally-averaged total 12-month precipitation was 28.11 inches (714 mm), 1.1 inches (28 mm) below the 1901-2000 mean.
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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Climate Monitoring / June / U.S. Climate / Help
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