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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:
2026-01-08
Issued:
2026-01-08
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
23208
27068
113
30548
24059
APR-JUL
17518
21004
112
23811
18779
JAN-SEP
25286
29264
113
32717
25978
JAN-JUL
19582
23343
113
25810
20698
OCT-SEP
28307
32285
111
35738
29084
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-01-08
Issued:
2026-01-08
Hide Forecast
APR-SEP
23703
26952
112
31230
24059
APR-JUL
17654
21367
114
24113
18779
JAN-SEP
25657
29075
112
33334
25978
JAN-JUL
19649
23513
114
26142
20698
OCT-SEP
28678
32096
110
36355
29084
Reference
ESP with 0 Days QPF
Ensemble:
2026-01-08
Issued:
2026-01-08
Hide Forecast
APR-SEP
23919
27416
114
31654
24059
APR-JUL
17773
21500
114
24459
18779
JAN-SEP
25862
29478
113
33764
25978
JAN-JUL
19694
23760
115
26430
20698
OCT-SEP
28883
32499
112
36784
29084
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 221, 284, 326, 366, 437, 75, , 79
ESP10, 216, 278, 322, 362, 431, 81, , 85
ESP10, 219, 281, 328, 363, 433, 88, , 92
ESP10, 216, 280, 332, 363, 429, 95, , 99
ESP10, 210, 276, 331, 356, 424, 101, , 105
ESP10, 209, 276, 332, 358, 431, 108, , 112
ESP10, 214, 281, 340, 361, 442, 114, , 118
ESP10, 216, 281, 341, 366, 445, 121, , 125
ESP10, 220, 283, 344, 371, 448, 128, , 132
ESP10, 215, 279, 343, 367, 448, 134, , 138
ESP10, 220, 280, 344, 372, 451, 141, , 145
ESP10, 216, 277, 339, 366, 444, 148, , 152
ESP10, 203, 267, 327, 358, 433, 154, , 158
ESP10, 210, 272, 334, 366, 437, 161, , 165
ESP10, 214, 278, 336, 367, 441, 168, , 172
ESP10, 206, 269, 323, 363, 430, 174, , 178
ESP10, 200, 263, 323, 360, 425, 181, , 185
ESP10, 221, 277, 338, 376, 438, 187, , 191
ESP10, 220, 278, 335, 377, 437, 194, , 198
ESP10, 218, 276, 331, 373, 433, 201, , 205
ESP10, 210, 270, 325, 367, 427, 207, , 211
ESP10, 197, 259, 314, 364, 416, 214, , 218
ESP10, 205, 262, 323, 367, 417, 221, , 225
ESP10, 205, 261, 323, 367, 418, 227, , 231
ESP10, 207, 264, 325, 367, 421, 234, , 238
ESP10, 223, 277, 347, 383, 432, 240, , 244
ESP10, 221, 273, 343, 384, 432, 247, , 251
ESP10, 231, 271, 342, 383, 430, 254, , 258
ESP10, 224, 271, 331, 373, 419, 260, , 264
ESP10, 226, 265, 322, 365, 410, 267, , 271
ESP10, 230, 268, 327, 367, 417, 274, , 278
ESP10, 232, 277, 326, 368, 422, 280, , 284
ESP10, 231, 280, 324, 372, 425, 287, , 291
ESP10, 243, 287, 330, 376, 432, 294, , 298
ESP10, 246, 290, 338, 381, 434, 300, , 304
ESP10, 240, 285, 336, 380, 426, 307, , 311
ESP10, 239, 283, 338, 380, 425, 313, , 317
ESP10, 229, 276, 331, 374, 415, 320, , 324
ESP10, 242, 290, 340, 385, 425, 327, , 331
ESP10, 235, 284, 334, 382, 421, 333, , 337
ESP10, 226, 281, 327, 373, 412, 340, , 344
ESP10, 225, 282, 326, 368, 409, 347, , 351
ESP10, 250, 307, 342, 383, 425, 353, , 357
ESP10, 260, 312, 352, 391, 433, 360, , 364
ESP10, 251, 305, 342, 385, 422, 367, , 371
ESP10, 261, 311, 350, 394, 427, 373, , 377
ESP10, 254, 308, 345, 389, 421, 380, , 384
ESP10, 254, 309, 350, 392, 428, 386, , 390
ESP10, 243, 302, 344, 386, 418, 393, , 397
ESP10, 243, 303, 344, 386, 422, 400, , 404
ESP10, 255, 313, 353, 397, 433, 406, , 410
ESP10, 250, 305, 345, 388, 424, 413, , 417
ESP10, 249, 304, 345, 386, 420, 420, , 424
ESP10, 258, 316, 356, 399, 426, 426, , 430
ESP10, 254, 315, 354, 398, 421, 433, , 437
ESP10, 248, 315, 348, 391, 417, 439, , 443
ESP10, 245, 315, 347, 391, 420, 446, , 450
ESP10, 246, 317, 346, 388, 426, 453, , 457
ESP10, 242, 313, 348, 382, 422, 459, , 463
ESP10, 243, 306, 342, 378, 421, 466, , 470
ESP10, 230, 296, 335, 365, 413, 473, , 477
ESP10, 231, 295, 334, 369, 414, 479, , 483
ESP10, 233, 301, 335, 370, 415, 486, , 490
ESP10, 224, 288, 330, 359, 417, 493, , 497
ESP10, 218, 284, 324, 355, 415, 499, , 503
ESP10, 218, 282, 325, 358, 413, 506, , 510
ESP10, 224, 289, 333, 366, 418, 512, , 516
ESP10, 209, 276, 320, 355, 403, 519, , 523
ESP10, 179, 245, 291, 331, 374, 526, , 530
ESP10, 176, 243, 287, 333, 371, 532, , 536
ESP10, 182, 248, 294, 339, 380, 539, , 543
ESP10, 189, 258, 302, 349, 388, 546, , 550
ESP10, 189, 263, 302, 349, 388, 552, , 556
ESP10, 179, 253, 292, 341, 384, 559, , 563
ESP10, 171, 249, 284, 336, 377, 566, , 570
ESP10, 162, 243, 275, 329, 372, 572, , 576
ESP10, 161, 241, 270, 332, 368, 579, , 583
ESP10, 161, 235, 263, 325, 366, 585, , 589
ESP10, 150, 217, 244, 310, 350, 592, , 596
ESP10, 145, 211, 242, 303, 347, 599, , 603
ESP10, 153, 215, 246, 308, 351, 605, , 609
ESP10, 146, 208, 244, 298, 341, 612, , 616
ESP10, 154, 221, 253, 311, 349, 619, , 623
ESP10, 157, 231, 258, 318, 352, 625, , 629
ESP10, 155, 227, 260, 314, 347, 632, , 636
ESP10, 150, 221, 260, 307, 340, 638, , 642
ESP10, 154, 223, 261, 309, 346, 645, , 649
ESP10, 157, 223, 260, 311, 345, 652, , 656
ESP10, 164, 222, 263, 307, 342, 658, , 662
ESP10, 168, 226, 266, 308, 343, 665, , 669
ESP10, 165, 223, 267, 307, 338, 672, , 676
ESP10, 167, 222, 264, 310, 335, 678, , 682
ESP10, 166, 221, 263, 308, 333, 685, , 689
ESP10, 171, 229, 268, 309, 338, 692, , 696
ESP10, 171, 221, 263, 301, 338, 698, , 702
ESP10, 176, 220, 261, 303, 342, 705, , 709
ESP10, 169, 214, 256, 298, 343, 711, , 715
ESP10, 164, 206, 249, 291, 336, 718, , 722
ESP10, 163, 201, 244, 290, 333, 725, , 729
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/ARDQ2IW_SQIN.ESPF10.csv
ARDQ2IW_SQIN.ESPF0.csv|2026-01-08
ARDQ2IW_SQIN.ESPF10.csv|2026-01-08
ARDQ2IW_SQIN.ESPFM.csv|2026-01-08
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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