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Indiana Department of Natural Resources

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

June, 2017

Precipitation

For June 2017, Indiana’s precipitation was generally near normal or above normal, with average temperature near normal. The statewide monthly precipitation average was approximately 107.0 percent of normal. The overall monthly temperature average for Indiana was 71.5 degrees Fahrenheit or 0.6 degrees above normal.

Six of the nine climate divisions received well above normal or above normal precipitation for the month of June. The southeastern climate division received the highest (140.1) percentage of normal precipitation for the month, while the southwestern received the lowest (74.6) percentage.

For the year to date, all nine climate divisions have received near normal to above normal precipitation, ranging from 96.7 percent of normal for the southwestern climate division to 148.7 percent of normal for the northeastern climate division.  For the 2017 water year, which began October 1, 2016, total precipitation is above normal for seven of the nine climate divisions (86.3% to 129.7% percent of normal). Beginning January 2016, all climate divisions have received above normal precipitation. These range from 100.6 percent for the southwestern division to 115.8 percent for the northwestern division.

The Standardized Precipitation Index (SPI) long-term 12-month index shows the northwestern climate division in the “extremely wet” category; the north-central, northeastern, central and southeastern climate divisions are in the “very wet” category; the west-central and east-central climate divisions are in the “moderately wet” category; and the remaining two climate divisions are in the “near normal” category. The 6-month SPI index shows the northeastern climate division in the “extremely wet” category; the central, east-central and southeastern climate divisions are shown in the “very wet” category; the northwestern, north-central and west-central climate divisions are in the “moderately wet” category; and the remaining two climate divisions are in the “near normal” category.  The 3-month SPI index shows the northeastern, central and southeastern climate divisions are in the “very wet” category; the west-central and east-central climate divisions are in the “moderately wet” category; and the remaining climate divisions are in the “near normal” category. The 1-month SPI index shows the southeastern climate division in the “moderately wet” category; and the remaining climate divisions are shown in the “near normal” category.

U. S. Drought Monitor

For the period ending June 27, 2017, the U.S. Drought Monitor shows abnormally dry conditions in the southwest portion of the state and in the northwest around Lake Michigan.  No other drought conditions exist in the state.  The U.S. Seasonal Drought Outlook does not predict drought conditions through September 30, 2017.

Streamflow

Of the twelve streams included in drought reporting since 1999, ten of the twelve had stream flow well above normal.  The St. Marys River at Decatur had the lowest mean monthly flow at 77% and Fall Creek near Fortville had the highest mean monthly flow at 295%.

Detailed Information on Streamflow

Lake Michigan

The Lake Michigan-Huron water level for June 30, 2017 was four inches above the measurement taken on June 30, 2016, and 4 inches above the measurement taken on May 30, 2017.  On June 29, 2017 the Michigan-Huron level was 580.58 feet, which is approximately 46 inches above the lowest recorded monthly mean level for June set in 1964. Comparison of June monthly mean water levels to the long-term (1918-present) average shows Lakes Michigan-Huron water levels were about 16 inches above the average.

The U.S. Army Corps of Engineers predicts the Lake Michigan-Huron water level to rise by about one inch over the next month. 

Reservoirs

The water level in all eight Indiana reservoirs being monitored by the U.S. Army Corps of Engineers was above or well above the normal pool elevation on July 3, 2017. The normal pool deviation ranged from 0.3 feet (Cecil Harden) to 8.0 feet (J.E. Roush). 

All three reservoirs monitored by Citizens Water were above their respective normal pool elevations as of July 3, 2017. The deviation from normal pools ranged from 0.53 feet (Morse) to 1.05 feet (Eagle Creek).

Groundwater Levels

As of June 30, 2017 new water level data was available for all of the nine wells currently monitored.  Of the nine wells monitored, data indicate the groundwater level for LaGrange 2 is below its respective mean monthly level. The mean monthly groundwater levels are above normal for Vigo 7, Morgan 4, Randolph 3 and Posey 3 and Clark 20 and near normal for La Porte 9, Fulton 7 and Harrison 8. 

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

Standardized 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

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

Temperature data:
Midwestern Regional Climate Center and Indiana State Climate Office, Purdue University