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El Paso Field Division Office

Rio Grande Project

Spring Runoff Forecast

Rio Grande Basin
( Last Update: )

Rio Chama Rio Grande Rio Grande
Rio Grande at El Vado at Otowi Jemez River at San
Forecast Point nr Del Norte Reservoir Bridge nr Jemez Marcial
Forecast Period Apr-Sep Mar-Jul Mar-Jul Mar-Jul Mar-Jul
30-Year Average 531,000(AF) 237,000(AF) 757,000(AF) 47,000(AF) 573,000(AF)
Runoff*
JANUARY 1 372,000 182,000 533,000 40,000 370,000
FORECAST (70% of avg.) (77%) (70%) (85%) (65%)
FEBRUARY 1 275,000 135,000 385,000 25,000 230,000
FORECAST (52%) (57%) (51%) (53%) (40%)
FEBRUARY 15 315,000 155,000 465,000 30,000 305,000
FORECAST (59%) (65%) (61%) (64%) (53%)
MARCH 1 315,000 155,000 485,000 30,000 325,000
FORECAST (59%) (65%) (64%) (64%) (57%)
MARCH 15 315,000 155,000 485,000 325,000
FORECAST (59%) (65%) (64%) (57%)
APRIL 1 285,000 155,000 465,000 25,000 305,000
FORECAST (54%) (65%) (61%) (53%) (53%)
APRIL 15 270,000 147,000 440,000 24,000 285,000
FORECAST (51%) (62%) (58%) (51%) (50%)
MAY 1 230,000 130,000 400,000 24,000 245,000
FORECAST ** (43%) (55%) (53%) (51%) (43%)
MAY 15
FORECAST
* based on 1971-2000 runoff data. ** last official forecast for 2003 spring runoff.

*** Preliminary Data ... All Data Subject To Revision ***

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