Reservoir System Update - July 6, 2010

Tennessee Valley Authority (TVA)
Posted: 7/6/2010

The eastern Valley received some much-needed rain in May. But, as the chart below shows, the pattern of dry weather observed earlier in the year resumed in June.

Eastern Valley rainfall for the year to date is 76 percent of normal.

Runoff (the amount of water that reaches the river system when it rains instead of being absorbed into the ground) is currently 91 percent of normal in the eastern Valley. 

Rain and runoff

Month	Observed rainfall	Normal rainfall	Percent of normal
January	4.51	4.6	98
February	2.68	4.23	63
March	2.79	4.82	58
April	2.69	4.17	65
May	4.50	4.23	106
June	2.91	4.28	70