Prescribed burning in the lake States occurs primarily in April and May, and in August through October. Analysis of St. Cloud, Minnesota weather records for these months revealed that conditions suitable for three severity levels of prescribed burning occurred most frequently in east-central Minnesota from mid-April to mid-May and mid-September to mid-October. Wind direction on most suitable days is from the southwest, south, or southeast.
Beyerhelm, Carl D.; Irving, Frank D..
Frequency of Suitable Prescribed Burning Weather in East-Central Minnesota.
Minnesota Agricultural Experiment Station.
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