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WESTLANDS' WATER SUPPLY

Water Year 2003 Supply Forecast

July 1, 2003 Forecast
 

Mid-Pacific Region
Initial Water Year 2003 Allocation
June 30, 2003

Probability of Exceedence Sacramento Valley Index Year Type North of Delta Allocation South of Delta Allocation
Ag  M&I  R   WR Ag   M&I  R   WR

90%

Above Normal

100

100

100

100

75

100*

100

100

Recent Historical Average
(5-Year Average Allocation)

92

96

100

100

71

91

100

100



*(M&I allocations are based on historical use.)
USBR News Release Water Supply Conditions


May 22, 2003 Forecast
 

Mid-Pacific Region
Initial Water Year 2003 Allocation
May 22, 2003

Probability of Exceedence Forecasts Percent of Historical Average Sacramento River Runoff &
Year Type
North of Delta Allocation South of Delta Allocation
Ag  M&I  R   WR Ag   M&I  R   WR

90%

91%
Below Normal

100

100

100

100

70

95*

100

100

Recent Historical Average
(5-Year Average Allocation)

92

96

100

100

71

91

100

100

*(M&I allocations are based on historical use.)
USBR News Release
Water Supply Conditions


April 23, 2003 Forecast
 

Mid-Pacific Region
Water Year 2003 Allocation
April 23, 2003

Probability of Exceedence Forecasts Percent of Historical Average Sacramento River Runoff &
Year Type
North of Delta Allocation South of Delta Allocation
Ag  M&I  R   WR Ag   M&I  R   WR

50%

81%
Below Normal

100

100

100

100

65

90*

100

100

90%

76%
Dry

100

100

100

100

65

90*

100

100

Recent Historical Average
(5-Year Average Allocation)

92

96

100

100

71

91

100

100

*(M&I allocations are based on historical use.)
USBR News Release
Water Supply Conditions


March 21, 2003 Forecast
 

Mid-Pacific Region
Initial Water Year 2003 Allocation
March 21, 2003

Probability of Exceedence Forecasts Percent of Historical Average Sacramento River Runoff &
Year Type
North of Delta Allocation South of Delta Allocation
Ag  M&I  R   WR Ag   M&I  R   WR

50%

82%
Below Normal

100

100

100

100

60*

85*

100

100

90%

71%
Dry

100

100

100

100

60*

85*

100

100

Recent Historical Average
(5-Year Average Allocation)

92

96

100

100

61

86

100

100

(M&I allocations are based on historical use.)
*The allocation percentage for both the 50 and 90 percent forecasts is the same.  This is due to uncertainties in the Water Quality Control Plan actions for protection of endangered species.

USBR News Release
Water Supply Conditions


February 14, 2003 Forecast
 

Mid-Pacific Region
Initial Water Year 2003 Allocation
February 14, 2003

Probability of Exceedence Forecasts Percent of Historical Average Sacramento River Runoff &
Year Type
North of Delta Allocation South of Delta Allocation
Ag  M&I  R   WR Ag   M&I  R   WR

50%

99%
Above Normal

100

100

100

100

60*

85*

100

100

90%

74%
Dry

100

100

100

100

60*

85*

100

100

Recent Historical Average
(5-Year Average Allocation)

92

96

100

100

61

86

100

100

(M&I allocations are based on historical use.)
*The allocation percentage for both the 50 and 90 percent forecasts is the same.  This is due to uncertainties in the Water Quality Control Plan actions for protection of endangered species.

USBR News Release
Water Supply Conditions


 January 24, 2003 Forecast
 

Mid-Pacific Region
Initial Water Year 2003 Allocation
January 24, 2003

Probability of Exceedence Forecasts Percent of Historical Average Sacramento River Runoff &
Year Type
North of Delta Allocation South of Delta Allocation
Ag  M&I  R   WR Ag   M&I  R   WR

50%

102%
Above Normal

100

100

100

100

55

80

100

100

90%

79%
Below Normal

100

100

100

100

50

75

100

100

Recent Historical Average
(5-Year Average Allocation)

92

96

100

100

71

91

100

100

(M&I allocations are based on historical use.)

USBR News Release
Water Supply Conditions


Additional information and data tables regarding the 2003 Water Year Supply Forecasts can be viewed and downloaded at the Bureau of Reclamation’s Central Valley Operations website:

http://www.usbr.gov/mp/cvo/