GRANDE RONDE - NEAR PERRY
Forecasts For Water Year 2021
Official Water Supply
ESP with 10 days QPF
Ensemble: 2020-10-21 Issued: 2020-10-21
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2020-10-21)
30 Year
Average
(1981-2010)
90 % 50 % %
Average
10 %
OCT 2.1 2.1 74 2.1 1.1* 2.8
NOV 2.7 4.0 76 7.7 5.2
DEC 3.3 7.6 74 15 10
JAN 4.2 11 67 29 16
FEB 6.7 20 76 57 26
MAR 13 58 93 100 62
APR 30 74 100 143 74
MAY 20 53 76 143 70
JUN 7.7 18 64 59 28
JUL 3.1 5.1 77 13 6.6
AUG 1.4 2.2 87 4.1 2.6
SEP 1.3 1.8 84 3.1 2.1
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* Partial Monthly Total
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GRANDE RONDE - NEAR PERRY
Forecasts For Water Year 2021
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble: 2020-10-21 Issued: 2020-10-21
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2020-10-21)
30 Year
Average
(1981-2010)
90 % 50 % %
Average
10 %
OCT 1.8 1.9 69 2.1 1.1* 2.8
NOV 2.7 3.4 65 7.3 5.2
DEC 3.1 6.4 63 14 10
JAN 4.1 9.7 60 33 16
FEB 6.3 16 62 55 26
MAR 13 54 87 94 62
APR 29 71 96 141 74
MAY 20 53 76 143 70
JUN 7.5 17 61 58 28
JUL 3.0 5.0 75 12 6.6
AUG 1.4 2.2 85 4.0 2.6
SEP 1.3 1.8 84 3.1 2.1
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* Partial Monthly Total
CSV
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GRANDE RONDE - NEAR PERRY
Forecasts For Water Year 2021
Reference
ESP with 0 days QPF
Ensemble: 2020-10-21 Issued: 2020-10-21
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2020-10-21)
30 Year
Average
(1981-2010)
90 % 50 % %
Average
10 %
OCT 1.7 1.9 68 2.1 1.1* 2.8
NOV 2.6 3.6 68 7.7 5.2
DEC 3.4 6.5 64 16 10
JAN 4.3 9.6 59 33 16
FEB 6.3 17 63 57 26
MAR 13 54 86 95 62
APR 31 75 101 140 74
MAY 20 53 76 143 70
JUN 7.6 18 62 58 28
JUL 3.1 5.0 75 12 6.6
AUG 1.4 2.2 86 4.0 2.6
SEP 1.3 1.8 84 3.1 2.1
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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