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COLUMBIA - ARROW LAKES (HUGH KEENLEYSIDE DAM)
(
ARDQ2
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-02-07
Issued:
2026-02-07
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
22928
26330
109
28979
24059
APR-JUL
17397
20135
107
22990
18779
JAN-SEP
25159
28420
109
31161
25978
JAN-JUL
19455
22553
109
25103
20698
OCT-SEP
28180
31441
108
34182
29084
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-02-07
Issued:
2026-02-07
Hide Forecast
APR-SEP
23164
26734
111
29380
24059
APR-JUL
17634
20494
109
23629
18779
JAN-SEP
25531
29045
112
31760
25978
JAN-JUL
19916
22679
110
25699
20698
OCT-SEP
28552
32065
110
34781
29084
Reference
ESP with 0 Days QPF
Ensemble:
2026-02-07
Issued:
2026-02-07
Hide Forecast
APR-SEP
23147
26825
111
30317
24059
APR-JUL
17556
20549
109
23780
18779
JAN-SEP
25507
29255
113
32590
25978
JAN-JUL
19825
22756
110
26006
20698
OCT-SEP
28528
32276
111
35610
29084
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 223, 286, 328, 367, 437, 73, , 77
ESP10, 218, 280, 324, 363, 431, 78, , 82
ESP10, 221, 282, 330, 365, 433, 83, , 87
ESP10, 218, 282, 333, 364, 430, 88, , 92
ESP10, 212, 278, 332, 357, 424, 94, , 98
ESP10, 212, 278, 333, 359, 431, 99, , 103
ESP10, 217, 282, 342, 362, 443, 104, , 108
ESP10, 218, 283, 342, 367, 446, 109, , 113
ESP10, 222, 284, 345, 372, 448, 114, , 118
ESP10, 217, 281, 344, 368, 449, 119, , 123
ESP10, 222, 282, 345, 373, 451, 124, , 128
ESP10, 219, 279, 340, 367, 445, 129, , 133
ESP10, 206, 269, 328, 359, 434, 134, , 138
ESP10, 212, 274, 336, 367, 438, 140, , 144
ESP10, 217, 280, 338, 368, 442, 145, , 149
ESP10, 208, 271, 325, 364, 431, 150, , 154
ESP10, 203, 265, 324, 361, 425, 155, , 159
ESP10, 224, 279, 339, 377, 439, 160, , 164
ESP10, 222, 280, 336, 378, 437, 165, , 169
ESP10, 220, 277, 332, 374, 434, 170, , 174
ESP10, 212, 272, 326, 368, 428, 175, , 179
ESP10, 199, 261, 316, 365, 417, 181, , 185
ESP10, 207, 264, 325, 368, 418, 186, , 190
ESP10, 208, 263, 325, 368, 419, 191, , 195
ESP10, 209, 265, 327, 368, 421, 196, , 200
ESP10, 226, 279, 349, 384, 433, 201, , 205
ESP10, 224, 275, 344, 385, 433, 206, , 210
ESP10, 233, 273, 344, 384, 431, 211, , 215
ESP10, 226, 273, 332, 374, 420, 216, , 220
ESP10, 228, 267, 323, 366, 411, 221, , 225
ESP10, 232, 270, 328, 369, 418, 227, , 231
ESP10, 234, 279, 327, 369, 423, 232, , 236
ESP10, 233, 282, 326, 373, 425, 237, , 241
ESP10, 245, 289, 331, 377, 433, 242, , 246
ESP10, 248, 291, 339, 382, 435, 247, , 251
ESP10, 242, 287, 337, 381, 426, 252, , 256
ESP10, 241, 285, 340, 381, 426, 257, , 261
ESP10, 231, 278, 332, 375, 415, 262, , 266
ESP10, 244, 292, 341, 386, 426, 267, , 271
ESP10, 237, 286, 335, 383, 422, 273, , 277
ESP10, 228, 282, 329, 374, 413, 278, , 282
ESP10, 227, 284, 327, 369, 410, 283, , 287
ESP10, 252, 308, 343, 384, 426, 288, , 292
ESP10, 262, 314, 353, 392, 434, 293, , 297
ESP10, 253, 306, 344, 386, 423, 298, , 302
ESP10, 263, 313, 351, 395, 428, 303, , 307
ESP10, 256, 310, 347, 390, 422, 308, , 312
ESP10, 256, 310, 351, 393, 429, 313, , 317
ESP10, 245, 303, 345, 387, 419, 319, , 323
ESP10, 245, 304, 345, 387, 423, 324, , 328
ESP10, 257, 314, 355, 397, 434, 329, , 333
ESP10, 252, 307, 347, 389, 425, 334, , 338
ESP10, 251, 306, 346, 387, 421, 339, , 343
ESP10, 260, 317, 357, 400, 427, 344, , 348
ESP10, 256, 316, 356, 399, 422, 349, , 353
ESP10, 250, 316, 349, 392, 418, 354, , 358
ESP10, 247, 317, 349, 392, 421, 360, , 364
ESP10, 248, 319, 347, 389, 426, 365, , 369
ESP10, 244, 314, 349, 383, 423, 370, , 374
ESP10, 245, 308, 344, 379, 422, 375, , 379
ESP10, 232, 298, 337, 366, 414, 380, , 384
ESP10, 233, 297, 336, 370, 415, 385, , 389
ESP10, 235, 302, 337, 371, 416, 390, , 394
ESP10, 226, 290, 331, 360, 418, 395, , 399
ESP10, 220, 286, 325, 356, 416, 400, , 404
ESP10, 221, 284, 326, 359, 414, 406, , 410
ESP10, 226, 291, 334, 367, 419, 411, , 415
ESP10, 211, 277, 321, 356, 404, 416, , 420
ESP10, 182, 247, 292, 333, 375, 421, , 425
ESP10, 179, 245, 288, 334, 372, 426, , 430
ESP10, 185, 250, 296, 340, 381, 431, , 435
ESP10, 192, 260, 304, 350, 389, 436, , 440
ESP10, 191, 265, 303, 351, 389, 441, , 445
ESP10, 181, 255, 293, 342, 385, 446, , 450
ESP10, 174, 251, 286, 337, 378, 452, , 456
ESP10, 165, 245, 276, 330, 373, 457, , 461
ESP10, 163, 244, 272, 333, 369, 462, , 466
ESP10, 163, 237, 265, 326, 367, 467, , 471
ESP10, 152, 220, 247, 312, 352, 472, , 476
ESP10, 148, 213, 244, 305, 349, 477, , 481
ESP10, 156, 217, 248, 310, 352, 482, , 486
ESP10, 149, 210, 246, 299, 343, 487, , 491
ESP10, 157, 223, 255, 312, 350, 493, , 497
ESP10, 160, 233, 260, 319, 354, 498, , 502
ESP10, 158, 229, 262, 316, 348, 503, , 507
ESP10, 153, 223, 262, 308, 342, 508, , 512
ESP10, 157, 225, 263, 310, 347, 513, , 517
ESP10, 160, 225, 262, 312, 346, 518, , 522
ESP10, 166, 225, 264, 309, 343, 523, , 527
ESP10, 171, 229, 268, 310, 344, 528, , 532
ESP10, 167, 225, 269, 309, 340, 533, , 537
ESP10, 170, 224, 266, 311, 337, 539, , 543
ESP10, 168, 224, 265, 310, 335, 544, , 548
ESP10, 173, 231, 270, 311, 340, 549, , 553
ESP10, 174, 224, 265, 303, 339, 554, , 558
ESP10, 179, 222, 263, 305, 343, 559, , 563
ESP10, 172, 216, 258, 299, 344, 564, , 568
ESP10, 167, 208, 251, 293, 338, 569, , 573
ESP10, 165, 203, 246, 292, 335, 574, , 578
ESP10, 164, 199, 238, 287, 327, 579, , 583
ESP10, 158, 195, 236, 285, 325, 585, , 589
ESP10, 160, 198, 235, 286, 325, 590, , 594
ESP10, 159, 200, 233, 285, 322, 595, , 599
ESP10, 162, 199, 241, 284, 322, 600, , 604
ESP10, 162, 198, 237, 280, 323, 605, , 609
ESP10, 164, 202, 237, 283, 325, 610, , 614
ESP10, 169, 202, 238, 284, 326, 615, , 619
ESP10, 169, 208, 239, 291, 326, 620, , 624
ESP10, 171, 209, 245, 294, 333, 625, , 629
ESP10, 176, 216, 251, 297, 339, 631, , 635
ESP10, 186, 219, 258, 301, 344, 636, , 640
ESP10, 191, 225, 261, 304, 352, 641, , 645
ESP10, 189, 223, 260, 305, 352, 646, , 650
ESP10, 193, 230, 267, 309, 357, 651, , 655
ESP10, 192, 231, 266, 308, 355, 656, , 660
ESP10, 183, 223, 256, 298, 344, 661, , 665
ESP10, 190, 235, 263, 302, 349, 666, , 670
ESP10, 191, 236, 265, 308, 352, 672, , 676
ESP10, 192, 243, 266, 312, 352, 677, , 681
ESP10, 188, 242, 268, 311, 349, 682, , 686
ESP10, 185, 239, 265, 308, 345, 687, , 691
ESP10, 177, 226, 251, 302, 333, 692, , 696
ESP10, 168, 216, 242, 294, 325, 697, , 701
ESP10, 183, 224, 252, 301, 334, 702, , 706
ESP10, 182, 223, 249, 296, 333, 707, , 711
ESP10, 186, 220, 250, 293, 330, 712, , 716
ESP10, 182, 220, 248, 290, 326, 718, , 722
ESP10, 195, 233, 259, 298, 340, 723, , 727
ESP10, 201, 237, 263, 299, 341, 728, , 732
Max Scale
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Scale To Last 45 Days
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/ARDQ2IW_SQIN.ESPF10.csv
ARDQ2IW_SQIN.ESPF0.csv|2026-02-07
ARDQ2IW_SQIN.ESPF10.csv|2026-02-07
ARDQ2IW_SQIN.ESPFM.csv|2026-02-07
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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