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CW DMAG Update - February 2, 2009

The following are the Low Inflow Protocol (LIP) drought indicators as of February 2, 2009:


February 2, 2009
Current Overall Stage 2
Storage Index (SI): 60.5%
Target Storage Index 51.3%
Ratio 117.9 % (Supports Normal Conditions)

Streamflow Indicator
(six-month average versus historical six-month average)
Ratio= 68.1 % (Supports Stage 1) 
US Drought Monitor (three-month average)
Three-month Numeric Average = +2.33 (Supports Stage 2)

Trend Data
Date Ratio
December 14, 2007 32.6%
January 25, 2008 31.1%
February 29, 2008 34.1%
March 28, 2008 40.9%
April 25, 2008 44.8%
May 29, 2008 45.9%
June 27, 2008 45.6%
July 25, 2008 46.1%
August 29, 2008 49.5%
September 26, 2008 51.6%
October 31, 2008 51.5%
November 21, 2008 51.2%
December 15, 2008 51.6%
January 9, 2009 67.5%
Groundwater Gages
(feet below surface) USGS Langtree
Date Reading
USGS Langtree current 21.30 ft
January 25, 2008 23.23 ft
February 29, 2008 22.83 ft
March 28, 2008 21.72 ft
April 25, 2008 21.72 ft
May 29, 2008 21.30 ft
June 27, 2008 22.03 ft
July 25, 2008 22.78 ft
August 29, 2008 22.81 ft
September 26, 2008 22.47 ft
October 31, 2008 23.27 ft
November 21, 2008 23.42 ft
December 15, 2008 22.73 ft
January 9, 2009 21.84 ft

Groundwater Gages
(feet below surface)USGS Linville
Date Reading
USGS Linville current 2.00 ft
January 25, 2008 2.21 ft
February 29, 2008 2.19 ft
March 28, 2008 2.16 ft
April 25, 2008 2.19 ft
May 29, 2008 2.19 ft
June 27, 2008 2.34 ft
July 25, 2008 2.45 ft
August 29, 2006 2.16 ft
September 26, 2008 2.41 ft
October 31, 2008 2.28 ft
November 21, 2008 2.21 ft
December 15, 2008 2.10 ft
January 6, 2009 2.00 ft
Groundwater Gages
(feet below surface) Glen Alpine
Date Reading
Glen Alpine current 8.97 ft
January 31, 2008 9.18 ft
February 27, 2008 8.71 ft
March 26, 2008 8.40 ft
April 30, 2008 8.53 ft
May 29, 2008 9.16 ft
June 25, 2008 10.02 ft
July 30, 2008 10.59 ft
August 29, 2008 10.64 ft
September 26, 2008 10.46 ft
October 31, 2008 10.07 ft
November 21, 2008 9.96 ft
December 15, 2008 9.14 ft
January 9, 2009 8.43 ft