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Indiana Department of Natural Resources

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Indiana Department of Natural Resources

Water > Water Availability / Use / Rights > Water Resource Updates (updated monthly) > Monthly Water Resource Summary Monthly Water Resource Summary

June, 2016

Precipitation

June 2016 Indiana precipitation was below normal to above normal across the state, with temperature on the whole above normal. The statewide monthly precipitation average was about 96 percent of normal. The overall monthly temperature average for Indiana was 73.1 degrees Fahrenheit or about 2.2 degrees above normal.

Five of Indiana's nine climate divisions received above normal precipitation for the month of June. The central climate division received the highest (115.4) percentage of normal precipitation for the month, while the northwestern division received the lowest (72.4) percentage.

For the year to date, two of the nine climate divisions have received above normal precipitation, ranging from 88.4 percent for the northwestern climate division to 102.3 percent for the south-central division. For the 2016 water year, which began October 1, 2015, total precipitation is above normal for five of the nine climate divisions (93.1 to 112.4%). Starting from January 2015, eight of the state's nine climate divisions have received above normal precipitation. Those ranges are from 99.6 percent for the west-central division to 114.5 percent for the south-central division.

For the Standardized Precipitation Index (SPI) long-term 12-month index, eight of Indiana's nine climate divisions are in the "near normal" category. The southeastern climate division is in the "moderately wet" range. The 6-month index shows each of the state's nine climate divisions in the "near normal" category. Likewise, the 3-month index shows the entire state in the "near normal" range. Similarly, for the 1-month index, each of the nine climate divisions lie in the "near normal" category.

U. S. Drought Monitor

The period ending June 28, 2016 showed abnormally dry conditions for about 19 percent of Indiana.  No drought conditions were reported for approximately 81 percent of the state.

Streamflow

Mean monthly flows for 8 of the 12 monitored streams were below their historical mean monthly flow for the month of June. The St. Marys River at Decatur had the lowest mean monthly flow with 27 percent of the historical mean flow for the month. The Eel River at North Manchester had the highest mean monthly flow with 125 percent of the historical mean flow for the month.

Detailed Information on Streamflow

Lake Michigan

The lake Michigan-Huron water level for June was the same as last month's water level, and four inches above the June 2015 water level. Comparison of June monthly mean water levels to long-term (1918-present) averages shows that Michigan-Huron water levels were about ten inches above average. On June 29, 2016, the Michigan-Huron water level was 580.17 feet. The water level was about 42 inches above the previously lowest recorded monthly mean level for June, set in 1964.

The U.S. Army Corps of Engineers predicts the lake Michigan-Huron water level to remain at its current level over the next month.

Reservoirs

The water levels in each of the eight Indiana reservoirs being monitored by the U.S. Army Corps of Engineers was near or above its normal pool elevation on July 1, 2016. The normal pool deviation ranged from -0.1 feet (Monroe) to 3.4 feet (Patoka).

Each of the three reservoirs monitored by Citizens Water-Morse, Geist, and Eagle Creek- was above its normal pool elevation as of July 1, 2016. The reservoirs' deviation from their normal pools ranged from 0.14 feet (Geist) to 1.2 feet (Eagle Creek).

Ground Water Levels

As of July 4, 2016, recent water level data are available for each of the nine wells being monitored. The water level for the observation wells is above normal for Harrison 8; near normal for Vigo 7 and Posey 3; and below normal for LaPorte 9, Fulton 7, LaGrange 2, Morgan 4, Randolph 3, and Clark 20. Groundwater levels are expected to decrease through July for much of the state.

Real-time data are available for all nine observation wells. The real-time information may be accessed on the following U.S. Geological Survey website: http://waterdata.usgs.gov/in/nwis/current/?type=gw

Acknowledgments
This report has been compiled from Division of Water data and from information supplied by the following:

Precipitation data:
National Oceanic and Atmospheric Administration, National Weather Service, Midwestern Regional Climate Center

Standard Precipitation Index (SPI):
National Drought Mitigation Center (NDMC) and Western Regional Climate Center (WRCC)

Streamflow:
U.S. Geological Survey and State of Indiana cooperative program

Lake Michigan level data:
U.S. Army Corps of Engineers, Detroit District 

Reservoir data:
U.S. Army Corps of Engineers, Louisville District

Ground water level data:
U.S. Geological Survey and State of Indiana cooperative program 

Temperature data:
Indiana State Climate Office, Purdue University