HydroClim Minnesota for Early September 2015

A monthly electronic newsletter summarizing Minnesota's climate conditions and the resulting impact on water resources. Distributed on the first Thursday of the month.

State Climatology Office - DNR Division of Ecological and Water Resources, St. Paul
distributed: September 3, 2015

What happened in August 2015:

Where we stand now:

Future prospects:

  • The September precipitation outlook tilts towards above-normal conditions for all Minnesota counties. September precipitation normals range from near two inches in far western Minnesota to around three and one-half inches in eastern sections of the state.
    [see: Climate Prediction Center 30-day Outlook  | September Precipitation Normal Map]
  • The September temperature outlook favors above-normal conditions across Minnesota. Normal September high temperatures are in the mid-70s to start the month, dropping to the low to mid-60s by month's end. Normal lows are in the mid-50s early in the month, falling to around 40 by late September.
    [see: Climate Prediction Center 30-day Outlook  | September Temperature Normal Map]
  • The 90-day precipitation outlook for September through November indicates equal chances of below-normal, near-normal, or above-normal conditions across most of Minnesota. The odds tilt towards above-normal precipitation in far southwest Minnesota. The September through November temperature projection offers equal probabilities of below-normal, near-normal, or above-normal conditions statewide.
    [see: Climate Prediction Center 90-day Outlook]
  • The National Weather Service produces long-range probabilistic river stage and discharge outlooks for the Red River, Minnesota River, and Mississippi River basins. These products address both high flow and low flow probabilities.
    [see: National Weather Service - North Central River Forecast Center]

From the author:

  • For most Minnesota locales, the summertime weather was close to ideal. The state did not suffer a major heat wave or consistently unbearable humidity levels. With the exception of some northeast Minnesota communities, growing season rainfall totals have been adequate to abundant. The excellent growing season weather conditions are apparent when reviewing the latest USDA survey of two of Minnesota's major commodities, corn and soybeans. In a late-August report, corn condition was rated 88 percent good to excellent. Soybean condition was rated 79 percent good to excellent.
    [see: 2015 Summer Glory Index]

Upcoming dates of note:

  • September 17: National Weather Service releases 30/90 day temperature and precipitation outlooks

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Greg Spoden, DNR Climatologist