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COLUMBIA - ARROW LAKES (HUGH KEENLEYSIDE DAM)
(
ARDQ2
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-10-12
Issued:
2025-10-12
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
18157
22756
95
28074
23959
APR-JUL
14231
17593
95
21488
18539
JAN-SEP
19799
24726
96
29800
25830
JAN-JUL
15780
19537
96
23244
20410
OCT-SEP
22192
27417
94
32519
29024
Experimental
HEFS with 15 days EQPF
Ensemble:
2025-10-12
Issued:
2025-10-12
Hide Forecast
APR-SEP
18921
23328
97
28403
23959
APR-JUL
14623
18094
98
21572
18539
JAN-SEP
20699
25247
98
30146
25830
JAN-JUL
16387
20347
100
23447
20410
OCT-SEP
23482
28135
97
32791
29024
Reference
ESP with 0 Days QPF
Ensemble:
2025-10-12
Issued:
2025-10-12
Hide Forecast
APR-SEP
19004
23698
99
28346
23959
APR-JUL
14787
18365
99
21725
18539
JAN-SEP
20772
25745
100
30146
25830
JAN-JUL
16407
20471
100
23574
20410
OCT-SEP
23565
28925
100
32764
29024
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 191, 264, 314, 360, 443, 83, , 87
ESP10, 185, 257, 309, 355, 436, 98, , 102
ESP10, 189, 261, 316, 357, 438, 113, , 117
ESP10, 185, 260, 321, 356, 434, 128, , 132
ESP10, 178, 255, 319, 349, 428, 142, , 146
ESP10, 177, 255, 321, 351, 436, 157, , 161
ESP10, 183, 261, 331, 354, 449, 172, , 176
ESP10, 184, 261, 331, 360, 453, 187, , 191
ESP10, 189, 263, 335, 366, 456, 202, , 206
ESP10, 184, 259, 333, 362, 456, 217, , 221
ESP10, 190, 260, 334, 367, 459, 232, , 236
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/ARDQ2IN_SQIN.ESPF10.csv
ARDQ2IN_SQIN.ESPF0.csv|2025-10-12
ARDQ2IN_SQIN.ESPF10.csv|2025-10-12
ARDQ2IN_SQIN.ESPFM.csv|2025-10-12
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast