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June 2007 ranks among the top 10 warmest on record Wednesday, July 11, 2007
By Mark Seeley
June was a very warm month across Minnesota with most observers reporting average monthly temperatures from 2 degrees to 4 degrees above normal.
The mean statewide temperature for the month was nearly 68 degrees. It was the warmest June since 1995 and ranked near the top 10 warmest historically. Nearly 75 percent of all observers reported at least one day time high in the 90s.
Extremes for the month ranged from 95 degrees at Wild River State Park on June 27 to 30 degrees at Hibbing on June 6 and Embarrass on June 29, both dates when Minnesota reported the coldest temperature in the contiguous 48 states. Additionally, Minnesota reported the coldest temperature on June 5, when Montevideo recorded 32 degrees.
June rainfall was mixed. Some observers reported an abundance and several areas recorded less than half of normal.
Among those who were wetter than normal, several reported greater than 5 inches including: Caledonia, Grand Meadow, Spring Grove, Embarrass, Moorhead and Warroad.
Browns Valley reported its fourth wettest ever June with 6.77 inches, while Wheaton reported its fifth wettest June with 8.09 inches. Further to the north, Red Lake Falls reported its 12th wettest June with 6.58 inches.
Among those who reported less than half of normal rainfall for the month, generally less than two inches, were Alexandria, Aitkin, Pipestone, Winnebago and St. Paul.
The accumulated lack of rainfall since April 1 has produced a large area of the state that is now classified in moderate drought by the Drought Mitigation Center.
Some areas have rainfall deficiencies of 4 inches to 6 inches since April 1. Signs of this are showing up in withered crops, brown lawns and very low stream flows.
A return of 90 degree temperatures will certainly magnify this situation, particularly for corn as it enters the tasseling and silking period.
Average wind speed during the month was less than normal.
The month brought numerous reports of hail, especially June 7, 10 and 20. Also, up to five tornadoes were reported in Otter Tail, Beltrami and Clearwater counties.
Seeley is a professor and Extension climatologist/meteorologist in the University of Minnesota Department of Soil, Water and Climate. |
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