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Water Year
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COLUMBIA - ARROW LAKES (HUGH KEENLEYSIDE DAM)
(
ARDQ2
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-05-13
Issued:
2026-05-13
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
26145
27471
115
29488
23959
APR-JUL
20225
21579
116
22737
18539
JAN-SEP
28978
30305
117
32322
25830
JAN-JUL
23058
24413
120
25571
20410
OCT-SEP
32118
33445
115
35461
29024
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-05-13
Issued:
2026-05-13
Hide Forecast
APR-SEP
27037
28296
118
30033
23959
APR-JUL
21426
22445
121
23747
18539
JAN-SEP
29870
31129
121
32867
25830
JAN-JUL
24260
25279
124
26580
20410
OCT-SEP
33010
34269
118
36007
29024
Reference
ESP with 0 Days QPF
Ensemble:
2026-05-13
Issued:
2026-05-13
Hide Forecast
APR-SEP
26279
27660
115
29192
23959
APR-JUL
20590
21754
117
23154
18539
JAN-SEP
29113
30494
118
32026
25830
JAN-JUL
23424
24588
120
25988
20410
OCT-SEP
32253
33633
116
35166
29024
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 244, 302, 342, 378, 443, 71, , 75
ESP10, 240, 297, 338, 374, 438, 74, , 78
ESP10, 243, 299, 343, 376, 439, 77, , 81
ESP10, 240, 299, 347, 375, 436, 80, , 84
ESP10, 234, 295, 345, 369, 431, 83, , 87
ESP10, 234, 295, 347, 371, 438, 86, , 90
ESP10, 238, 299, 355, 373, 448, 89, , 93
ESP10, 239, 300, 355, 378, 451, 92, , 96
ESP10, 243, 301, 358, 382, 453, 95, , 99
ESP10, 239, 298, 357, 379, 454, 98, , 102
ESP10, 244, 299, 358, 383, 456, 101, , 105
ESP10, 240, 296, 353, 378, 450, 104, , 108
ESP10, 228, 287, 342, 370, 440, 107, , 111
ESP10, 234, 292, 349, 378, 444, 110, , 114
ESP10, 238, 297, 350, 379, 447, 112, , 116
ESP10, 230, 288, 339, 375, 437, 115, , 119
ESP10, 225, 283, 338, 373, 432, 118, , 122
ESP10, 244, 296, 352, 387, 445, 121, , 125
ESP10, 243, 297, 349, 388, 443, 124, , 128
ESP10, 241, 294, 346, 384, 440, 127, , 131
ESP10, 234, 289, 340, 378, 434, 130, , 134
ESP10, 221, 279, 330, 376, 424, 133, , 137
ESP10, 229, 281, 339, 379, 425, 136, , 140
ESP10, 230, 281, 338, 378, 426, 139, , 143
ESP10, 231, 283, 340, 379, 428, 142, , 146
ESP10, 246, 295, 360, 393, 439, 145, , 149
ESP10, 244, 292, 356, 394, 439, 148, , 152
ESP10, 253, 290, 356, 393, 437, 151, , 155
ESP10, 247, 290, 345, 384, 426, 154, , 158
ESP10, 249, 284, 337, 377, 419, 157, , 161
ESP10, 252, 287, 342, 379, 425, 160, , 164
ESP10, 254, 295, 341, 379, 430, 163, , 167
ESP10, 253, 298, 339, 383, 432, 166, , 170
ESP10, 264, 305, 344, 387, 439, 169, , 173
ESP10, 267, 307, 352, 392, 441, 172, , 176
ESP10, 261, 303, 350, 391, 433, 175, , 179
ESP10, 260, 301, 352, 390, 432, 178, , 182
ESP10, 251, 295, 345, 385, 423, 181, , 185
ESP10, 263, 308, 354, 396, 433, 184, , 188
ESP10, 256, 302, 348, 393, 428, 187, , 191
ESP10, 249, 299, 342, 384, 421, 190, , 194
ESP10, 248, 301, 341, 380, 418, 193, , 197
ESP10, 270, 323, 355, 394, 432, 195, , 199
ESP10, 280, 328, 365, 401, 439, 198, , 202
ESP10, 272, 321, 356, 395, 430, 201, , 205
ESP10, 281, 327, 363, 404, 434, 204, , 208
ESP10, 275, 325, 359, 399, 428, 207, , 211
ESP10, 274, 325, 363, 401, 435, 210, , 214
ESP10, 265, 318, 357, 396, 426, 213, , 217
ESP10, 264, 319, 357, 397, 429, 216, , 220
ESP10, 275, 329, 366, 406, 440, 219, , 223
ESP10, 271, 321, 359, 398, 431, 222, , 226
ESP10, 269, 321, 358, 396, 428, 225, , 229
ESP10, 279, 331, 368, 409, 433, 228, , 232
ESP10, 275, 330, 367, 407, 429, 231, , 235
ESP10, 269, 331, 361, 401, 425, 234, , 238
ESP10, 266, 331, 360, 401, 427, 237, , 241
ESP10, 267, 333, 359, 398, 433, 240, , 244
ESP10, 264, 328, 361, 393, 430, 243, , 247
ESP10, 264, 323, 356, 389, 429, 246, , 250
ESP10, 252, 313, 349, 377, 421, 249, , 253
ESP10, 253, 312, 349, 380, 422, 252, , 256
ESP10, 255, 317, 349, 382, 423, 255, , 259
ESP10, 247, 306, 345, 371, 425, 258, , 262
ESP10, 241, 302, 339, 367, 423, 261, , 265
ESP10, 242, 301, 340, 370, 421, 264, , 268
ESP10, 247, 307, 347, 377, 426, 267, , 271
ESP10, 233, 294, 335, 368, 412, 270, , 274
ESP10, 205, 266, 308, 346, 385, 273, , 277
ESP10, 203, 264, 305, 347, 383, 276, , 280
ESP10, 208, 269, 311, 353, 390, 278, , 282
ESP10, 215, 278, 319, 362, 398, 281, , 285
ESP10, 214, 283, 318, 362, 398, 284, , 288
ESP10, 205, 274, 309, 354, 394, 287, , 291
ESP10, 198, 270, 302, 350, 388, 290, , 294
ESP10, 189, 264, 293, 343, 383, 293, , 297
ESP10, 188, 263, 289, 346, 380, 296, , 300
ESP10, 188, 257, 283, 340, 377, 299, , 303
ESP10, 178, 241, 266, 326, 363, 302, , 306
ESP10, 173, 234, 263, 320, 361, 305, , 309
ESP10, 181, 238, 267, 324, 364, 308, , 312
ESP10, 175, 232, 265, 315, 355, 311, , 315
ESP10, 182, 243, 273, 327, 362, 314, , 318
ESP10, 185, 253, 278, 333, 365, 317, , 321
ESP10, 183, 249, 280, 330, 360, 320, , 324
ESP10, 178, 243, 280, 323, 354, 323, , 327
ESP10, 182, 245, 280, 324, 359, 326, , 330
ESP10, 185, 246, 279, 326, 358, 329, , 333
ESP10, 191, 245, 282, 323, 355, 332, , 336
ESP10, 195, 249, 285, 324, 356, 335, , 339
ESP10, 192, 246, 286, 323, 352, 338, , 342
ESP10, 194, 245, 283, 326, 349, 341, , 345
ESP10, 193, 244, 283, 324, 348, 344, , 348
ESP10, 198, 251, 287, 325, 352, 347, , 351
ESP10, 198, 244, 283, 318, 352, 350, , 354
ESP10, 202, 243, 281, 320, 356, 353, , 357
ESP10, 196, 237, 276, 315, 356, 356, , 360
ESP10, 191, 230, 270, 309, 350, 359, , 363
ESP10, 190, 225, 265, 308, 348, 361, , 365
ESP10, 189, 221, 258, 304, 341, 364, , 368
ESP10, 183, 218, 256, 301, 339, 367, , 371
ESP10, 185, 221, 254, 303, 338, 370, , 374
ESP10, 184, 222, 253, 301, 336, 373, , 377
ESP10, 187, 222, 261, 300, 336, 376, , 380
ESP10, 186, 221, 257, 297, 337, 379, , 383
ESP10, 189, 223, 257, 299, 338, 382, , 386
ESP10, 193, 224, 258, 300, 340, 385, , 389
ESP10, 194, 229, 259, 307, 340, 388, , 392
ESP10, 195, 230, 264, 310, 346, 391, , 395
ESP10, 200, 238, 270, 313, 351, 394, , 398
ESP10, 209, 240, 276, 316, 356, 397, , 401
ESP10, 214, 245, 279, 319, 364, 400, , 404
ESP10, 212, 244, 278, 320, 364, 403, , 407
ESP10, 216, 250, 284, 324, 368, 406, , 410
ESP10, 215, 251, 284, 323, 366, 409, , 413
ESP10, 206, 244, 275, 313, 356, 412, , 416
ESP10, 213, 255, 281, 317, 361, 415, , 419
ESP10, 214, 256, 283, 323, 363, 418, , 422
ESP10, 215, 262, 283, 326, 363, 421, , 425
ESP10, 212, 261, 286, 325, 361, 424, , 428
ESP10, 209, 259, 283, 323, 357, 427, , 431
ESP10, 201, 247, 270, 317, 346, 430, , 434
ESP10, 192, 238, 261, 310, 338, 433, , 437
ESP10, 207, 245, 271, 316, 347, 436, , 440
ESP10, 206, 244, 268, 312, 346, 439, , 443
ESP10, 209, 241, 269, 309, 343, 442, , 446
ESP10, 205, 241, 267, 306, 340, 445, , 449
ESP10, 218, 253, 277, 314, 353, 447, , 451
ESP10, 224, 257, 281, 315, 354, 450, , 454
ESP10, 213, 250, 273, 308, 345, 453, , 457
ESP10, 218, 255, 274, 314, 346, 456, , 460
ESP10, 220, 257, 276, 319, 346, 459, , 463
ESP10, 216, 252, 269, 313, 338, 462, , 466
ESP10, 219, 259, 274, 317, 342, 465, , 469
ESP10, 218, 259, 277, 316, 341, 468, , 472
ESP10, 207, 247, 267, 308, 337, 471, , 475
ESP10, 207, 245, 265, 309, 335, 474, , 478
ESP10, 213, 251, 272, 316, 339, 477, , 481
ESP10, 205, 243, 265, 307, 331, 480, , 484
ESP10, 209, 249, 271, 315, 337, 483, , 487
ESP10, 202, 245, 262, 306, 328, 486, , 490
ESP10, 208, 250, 270, 312, 334, 489, , 493
ESP10, 206, 245, 267, 312, 330, 492, , 496
ESP10, 214, 251, 270, 315, 335, 495, , 499
ESP10, 210, 247, 268, 310, 331, 498, , 502
ESP10, 211, 248, 266, 307, 327, 501, , 505
ESP10, 215, 249, 266, 310, 327, 504, , 508
ESP10, 205, 241, 255, 301, 317, 507, , 511
ESP10, 200, 230, 247, 291, 306, 510, , 514
ESP10, 188, 216, 236, 278, 292, 513, , 517
ESP10, 182, 219, 230, 272, 284, 516, , 520
ESP10, 178, 214, 229, 266, 280, 519, , 523
ESP10, 170, 204, 226, 257, 271, 522, , 526
ESP10, 166, 200, 228, 255, 267, 525, , 529
ESP10, 165, 196, 224, 251, 262, 528, , 532
ESP10, 167, 201, 226, 250, 262, 530, , 534
ESP10, 156, 189, 213, 238, 250, 533, , 537
ESP10, 165, 187, 208, 235, 248, 536, , 540
ESP10, 153, 179, 198, 224, 238, 539, , 543
ESP10, 158, 181, 202, 229, 241, 542, , 546
ESP10, 154, 177, 195, 224, 237, 545, , 549
ESP10, 147, 167, 186, 219, 229, 548, , 552
ESP10, 133, 154, 175, 205, 215, 551, , 555
ESP10, 151, 167, 188, 218, 232, 554, , 558
ESP10, 145, 161, 183, 211, 226, 557, , 561
ESP10, 147, 160, 181, 207, 222, 560, , 564
ESP10, 149, 162, 184, 210, 225, 563, , 567
ESP10, 155, 169, 190, 213, 228, 566, , 570
ESP10, 152, 166, 185, 208, 226, 569, , 573
ESP10, 153, 166, 187, 206, 223, 572, , 576
ESP10, 151, 168, 187, 206, 220, 575, , 579
ESP10, 162, 180, 198, 218, 230, 578, , 582
ESP10, 164, 178, 198, 217, 229, 581, , 585
ESP10, 164, 176, 195, 217, 226, 584, , 588
ESP10, 158, 170, 189, 210, 219, 587, , 591
ESP10, 163, 171, 192, 211, 224, 590, , 594
ESP10, 174, 184, 204, 223, 235, 593, , 597
ESP10, 174, 185, 206, 223, 236, 596, , 600
ESP10, 177, 189, 211, 230, 242, 599, , 603
ESP10, 177, 190, 212, 231, 242, 602, , 606
ESP10, 186, 203, 222, 241, 256, 605, , 609
ESP10, 191, 205, 225, 244, 259, 608, , 612
ESP10, 188, 207, 224, 243, 257, 611, , 615
ESP10, 190, 210, 229, 245, 261, 613, , 617
ESP10, 193, 207, 230, 246, 259, 616, , 620
ESP10, 192, 206, 229, 246, 258, 619, , 623
ESP10, 188, 201, 224, 242, 252, 622, , 626
ESP10, 186, 198, 224, 240, 249, 625, , 629
ESP10, 185, 198, 222, 240, 248, 628, , 632
ESP10, 179, 194, 218, 235, 245, 631, , 635
ESP10, 178, 193, 217, 233, 243, 634, , 638
ESP10, 176, 190, 215, 232, 240, 637, , 641
ESP10, 182, 196, 224, 238, 245, 640, , 644
ESP10, 184, 205, 225, 241, 247, 643, , 647
ESP10, 184, 205, 225, 242, 248, 646, , 650
ESP10, 185, 205, 224, 241, 249, 649, , 653
ESP10, 190, 209, 228, 244, 253, 652, , 656
ESP10, 188, 205, 226, 243, 251, 655, , 659
ESP10, 187, 206, 224, 241, 257, 658, , 662
ESP10, 188, 209, 226, 243, 256, 661, , 665
ESP10, 192, 213, 229, 249, 260, 664, , 668
ESP10, 198, 218, 234, 254, 264, 667, , 671
ESP10, 200, 219, 236, 254, 265, 670, , 674
ESP10, 211, 232, 247, 264, 279, 673, , 677
ESP10, 214, 235, 248, 265, 283, 676, , 680
ESP10, 214, 235, 249, 266, 284, 679, , 683
ESP10, 212, 233, 250, 265, 283, 682, , 686
ESP10, 214, 233, 249, 265, 284, 685, , 689
ESP10, 221, 238, 254, 269, 287, 688, , 692
ESP10, 220, 239, 253, 267, 286, 691, , 695
ESP10, 221, 240, 256, 270, 286, 694, , 698
ESP10, 223, 243, 260, 273, 289, 696, , 700
ESP10, 228, 246, 260, 274, 290, 699, , 703
ESP10, 227, 247, 261, 276, 289, 702, , 706
ESP10, 226, 247, 259, 278, 290, 705, , 709
ESP10, 225, 248, 261, 278, 292, 708, , 712
ESP10, 227, 249, 263, 281, 294, 711, , 715
ESP10, 227, 250, 266, 281, 293, 714, , 718
ESP10, 227, 249, 266, 280, 293, 717, , 721
ESP10, 227, 252, 267, 280, 293, 720, , 724
ESP10, 224, 248, 265, 277, 289, 723, , 727
ESP10, 222, 246, 263, 275, 289, 726, , 730
ESP10, 217, 242, 259, 274, 285, 729, , 733
ESP10, 213, 239, 257, 272, 285, 732, , 736
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/ARDQ2IN_SQIN.ESPF10.csv
ARDQ2IN_SQIN.ESPF0.csv|2026-05-13
ARDQ2IN_SQIN.ESPF10.csv|2026-05-13
ARDQ2IN_SQIN.ESPFM.csv|2026-05-13
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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