COLUMBIA - THE DALLES DAM (TDAO3) Forecasts for WY 2009
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Official Forecast (Regression)  
Issued: 2009-03-06     
{Description} |   | ESP Forecasts  
Issued: 2009-03-09
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Period | Forecast (KAF) | % of Average | 5% Forecast | 95% Forecast | 30yr (1971-2000) Average | Max of Record | Min of Record |   | Forecast Period | ESP Forecasts for Forecast Period (KAF) | Obs Flow From Start of Period To 3/9/2009 |
90 % Exceedance Probability | 70 % Exceedance Probability | 50 % Exceedance Probability | 30 % Exceedance Probability | 10 % Exceedance Probability |
JAN-SEP | 97400.0 | 80 | 115034.0 | 79766.0 | 121300.0 | 176593.0 | 64517.0 |   | JAN-SEP | 89163.0 | 94279.2 | 98997.9 | 100588.3 | 106964.4 | 12187.0 |
MAR-SEP | 87000.0 | 80 | 104634.0 | 69366.0 | 108200.0 | | |   | MAR-SEP | 78737.0 | 83853.2 | 88571.9 | 90162.3 | 96538.4 | 1761.0 |
APR-AUG | 74800.0 | 80 | 92434.0 | 57166.0 | 93090.0 | 133733.0 | 49445.0 |   | APR-AUG | 68308.2 | 72984.3 | 76145.1 | 78648.5 | 84297.7 | 0.0 |
JAN-AUG | 92900.0 | 80 | 110534.0 | 75266.0 | 115700.0 | 168669.0 | 59871.0 |   | JAN-AUG | 84881.2 | 89526.7 | 92670.0 | 95375.6 | 101761.5 | 12187.0 |
MAR-AUG | 82500.0 | 80 | 100134.0 | 64866.0 | 102700.0 | | |   | MAR-AUG | 74455.2 | 79100.7 | 82244.0 | 84949.6 | 91335.5 | 1761.0 |
APR-SEP | 79300.0 | 80 | 96934.0 | 61666.0 | 98650.0 | 141056.0 | 54091.0 |   | APR-SEP | 72590.0 | 77904.0 | 82488.6 | 83608.0 | 89825.5 | 0.0 |
JAN-JUL | 86200.0 | 80 | 103834.0 | 68566.0 | 107300.0 | 159000.0 | 53359.0 |   | JAN-JUL | 78333.3 | 82927.7 | 86145.4 | 88014.7 | 94699.1 | 12187.0 |
MAR-JUL | 75800.0 | 80 | 93434.0 | 58166.0 | 94230.0 | | |   | MAR-JUL | 67907.3 | 72501.7 | 75719.4 | 77588.7 | 84273.1 | 1761.0 |
APR-JUL | 68100.0 | 80 | 85734.0 | 50466.0 | 84650.0 | 123463.0 | 42933.0 |   | APR-JUL | 61811.0 | 66217.9 | 68993.6 | 71206.3 | 77174.1 | 0.0 |