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CW DMAG Update - August 1, 2008

The following are the Low Inflow Protocol (LIP) drought indicators as of August 1, 2008:

Current Overall Stage = 3

Storage Index (SI): 72.8%
Target Storage Index = 75.0%
Ratio = 97.1% (Supports Stage 0)

Streamflow Indicator (six-month average versus historical six-month average):
Ratio = 46.7% (Supports Stage 3)

Trend Data:
Ratio on July 30, 2007 = 66.6%
Ratio on August 31, 2007 = 64.0%
Ratio on September 28, 2007 = 46.3%
Ratio on October 26, 2007 = 40.2%
Ratio on November 30, 2007 = 34.2%
Ratio on December 14, 2007 = 32.6%
Ratio on January 25, 2008 = 31.1%
Ratio on February 29, 2008 = 34.1%
Ratio on March 28, 2008 = 40.9%
Ratio on April 25, 2008 = 44.8%
Ratio on May 29, 2008 = 45.9%
Ratio on June 27, 2008 = 45.6%
Ratio on July 25, 2008 = 46.1%

US Drought Monitor (three-month average)
Three-month Numeric Average = +3.67 (Supports Stage 3)

Groundwater Gages (feet below surface):
USGS Langtree current reading = 22.91 ft
August 31, 2007 reading = 20.85 ft
September 28, 2007 reading = 21.55 ft
October 26, 2007 reading = 22.17 ft
November 30, 2007 reading = 22.76 ft
December 14, 2007 reading = 22.95 ft
January 25, 2008 reading = 23.23 ft
February 29, 2008 reading = 22.83 ft
March 28, 2008 reading = 21.72 ft
April 25, 2008 reading = 21.16 ft
May 29, 2008 reading = 21.30 ft
June 27, 2008 reading = 22.03 ft
July 25, 2008 reading = 22.78 ft

USGS Linville current reading = 2.39 ft
August 31, 2007 reading = 2.41 ft
September 28, 2007 reading = 2.42 ft
October 26, 2007 reading = 2.07 ft
November 30, 2007 reading = 2.27 ft
December 14, 2007 reading = 2.24 ft
January 25, 2008 reading = 2.21 ft
February 29, 2008 reading = 2.19 ft
March 28, 2008 reading = 2.16 ft
April 25, 2008 reading = 2.19 ft
May 29, 2008 reading = 2.19 ft 
June 27, 2008 reading = 2.34 ft
July 25, 2008 reading = 2.45 ft

NCDWR Glen Alpine reading =  10.59 ft
(reading on July 30, 2008)
August 15, 2007 reading = 9.90 ft
September 27, 2007 reading = 9.93 ft
October 25, 2007 reading = 10.07 ft
November 28, 2007 reading = 9.83 ft
December 12, 2007 reading = 9.83 ft
January 31, 2008 reading = 9.18 ft
February 27, 2008 reading = 8.71 ft
March 26, 2008 reading = 8.40 ft
April 30, 2008 reading = 8.53 ft
May 29, 2008 reading = 9.16 ft
June 25, 2008 reading = 10.02 ft