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Archive:
Water Year
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SNAKE - BELOW SWAN FALLS
(
SWAI1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1996
2032
57
2161
3587
APR-JUL
1274
1274
48
1274
2674
APR-AUG
1570
1595
51
1643
3117
JAN-SEP
3185
3222
60
3351
5361
JAN-JUL
2464
2464
55
2464
4447
OCT-SEP
4516
4552
65
4681
6963
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
APR-SEP
1996
2032
57
2161
3587
APR-JUL
1274
1274
48
1274
2674
APR-AUG
1570
1595
51
1642
3117
JAN-SEP
3185
3221
60
3351
5361
JAN-JUL
2464
2464
55
2464
4447
OCT-SEP
4516
4552
65
4681
6963
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
APR-SEP
1997
2032
57
2164
3587
APR-JUL
1274
1274
48
1275
2674
APR-AUG
1571
1597
51
1643
3117
JAN-SEP
3186
3222
60
3353
5361
JAN-JUL
2464
2464
55
2464
4447
OCT-SEP
4517
4552
65
4684
6963
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 214, 318, 430, 451, 471, 70, , 74
ESP10, 223, 293, 429, 457, 471, 72, , 76
ESP10, 222, 301, 431, 462, 473, 75, , 79
ESP10, 227, 293, 428, 457, 471, 77, , 81
ESP10, 229, 301, 426, 462, 473, 79, , 83
ESP10, 223, 313, 434, 462, 471, 81, , 85
ESP10, 220, 298, 427, 462, 474, 84, , 88
ESP10, 212, 278, 420, 453, 474, 86, , 90
ESP10, 197, 277, 418, 455, 470, 88, , 92
ESP10, 177, 268, 417, 452, 464, 90, , 94
ESP10, 175, 254, 394, 454, 467, 92, , 96
ESP10, 165, 256, 402, 455, 467, 95, , 99
ESP10, 192, 261, 416, 455, 469, 97, , 101
ESP10, 179, 260, 416, 446, 464, 99, , 103
ESP10, 178, 265, 415, 449, 466, 101, , 105
ESP10, 197, 258, 402, 447, 461, 104, , 108
ESP10, 168, 249, 397, 444, 465, 106, , 110
ESP10, 169, 249, 398, 446, 465, 108, , 112
ESP10, 178, 251, 406, 451, 464, 110, , 114
ESP10, 189, 251, 417, 455, 462, 113, , 117
ESP10, 181, 249, 404, 449, 467, 115, , 119
ESP10, 202, 257, 418, 451, 465, 117, , 121
ESP10, 212, 268, 416, 453, 464, 119, , 123
ESP10, 211, 260, 422, 457, 468, 121, , 125
ESP10, 228, 290, 431, 456, 469, 124, , 128
ESP10, 228, 288, 428, 456, 469, 126, , 130
ESP10, 233, 341, 419, 458, 469, 128, , 132
ESP10, 211, 340, 421, 458, 469, 130, , 134
ESP10, 238, 341, 423, 458, 469, 133, , 137
ESP10, 185, 283, 416, 454, 466, 135, , 139
ESP10, 185, 288, 414, 454, 465, 137, , 141
ESP10, 214, 337, 424, 455, 468, 139, , 143
ESP10, 249, 387, 424, 459, 471, 141, , 145
ESP10, 210, 338, 420, 459, 475, 144, , 148
ESP10, 210, 338, 421, 458, 474, 146, , 150
ESP10, 225, 348, 417, 462, 474, 148, , 152
ESP10, 224, 339, 417, 455, 473, 150, , 154
ESP10, 207, 322, 410, 455, 474, 153, , 157
ESP10, 230, 312, 407, 452, 474, 155, , 159
ESP10, 226, 370, 420, 456, 474, 157, , 161
ESP10, 249, 355, 435, 461, 475, 159, , 163
ESP10, 232, 339, 418, 457, 475, 161, , 165
ESP10, 249, 348, 437, 463, 474, 164, , 168
ESP10, 250, 376, 442, 462, 474, 166, , 170
ESP10, 246, 395, 443, 465, 475, 168, , 172
ESP10, 252, 386, 446, 466, 476, 170, , 174
ESP10, 248, 399, 447, 463, 477, 173, , 177
ESP10, 252, 407, 442, 464, 480, 175, , 179
ESP10, 248, 407, 438, 464, 477, 177, , 181
ESP10, 247, 409, 444, 462, 477, 179, , 183
ESP10, 247, 411, 448, 463, 476, 182, , 186
ESP10, 247, 404, 445, 465, 479, 184, , 188
ESP10, 269, 416, 449, 469, 480, 186, , 190
ESP10, 269, 409, 452, 469, 480, 188, , 192
ESP10, 270, 396, 451, 470, 482, 190, , 194
ESP10, 269, 408, 451, 467, 482, 193, , 197
ESP10, 251, 385, 447, 464, 481, 195, , 199
ESP10, 269, 421, 454, 465, 481, 197, , 201
ESP10, 289, 397, 454, 465, 481, 199, , 203
ESP10, 272, 378, 443, 469, 478, 202, , 206
ESP10, 257, 366, 412, 453, 469, 204, , 208
ESP10, 275, 358, 442, 465, 476, 206, , 210
ESP10, 258, 384, 434, 456, 473, 208, , 212
ESP10, 253, 378, 420, 453, 475, 210, , 214
ESP10, 256, 377, 419, 449, 471, 213, , 217
ESP10, 255, 371, 419, 460, 476, 215, , 219
ESP10, 254, 329, 428, 461, 472, 217, , 221
ESP10, 268, 397, 421, 460, 478, 219, , 223
ESP10, 284, 353, 430, 453, 478, 222, , 226
ESP10, 265, 401, 424, 461, 477, 224, , 228
ESP10, 259, 322, 431, 461, 474, 226, , 230
ESP10, 249, 310, 430, 453, 473, 228, , 232
ESP10, 242, 286, 429, 453, 472, 230, , 234
ESP10, 246, 284, 425, 454, 469, 233, , 237
ESP10, 248, 304, 427, 456, 473, 235, , 239
ESP10, 241, 271, 430, 451, 469, 237, , 241
ESP10, 204, 261, 395, 447, 464, 239, , 243
ESP10, 222, 274, 386, 452, 461, 242, , 246
ESP10, 225, 264, 397, 451, 462, 244, , 248
ESP10, 233, 275, 397, 448, 464, 246, , 250
ESP10, 233, 274, 408, 448, 463, 248, , 252
ESP10, 233, 268, 418, 447, 462, 251, , 255
ESP10, 243, 298, 420, 445, 460, 253, , 257
ESP10, 236, 298, 421, 448, 461, 255, , 259
ESP10, 237, 273, 404, 447, 460, 257, , 261
ESP10, 238, 272, 417, 448, 463, 259, , 263
ESP10, 237, 291, 422, 448, 464, 262, , 266
ESP10, 244, 298, 427, 448, 466, 264, , 268
ESP10, 249, 296, 426, 448, 465, 266, , 270
ESP10, 258, 317, 411, 440, 466, 268, , 272
ESP10, 234, 289, 407, 447, 455, 271, , 275
ESP10, 236, 273, 409, 444, 466, 273, , 277
ESP10, 237, 298, 408, 442, 466, 275, , 279
ESP10, 234, 277, 400, 438, 461, 277, , 281
ESP10, 236, 269, 408, 439, 461, 279, , 283
ESP10, 235, 269, 376, 445, 464, 282, , 286
ESP10, 235, 269, 415, 445, 460, 284, , 288
ESP10, 237, 268, 413, 443, 465, 286, , 290
ESP10, 239, 267, 414, 443, 461, 288, , 292
ESP10, 240, 289, 417, 445, 465, 291, , 295
ESP10, 241, 282, 420, 445, 465, 293, , 297
ESP10, 252, 297, 420, 445, 465, 295, , 299
ESP10, 255, 322, 417, 443, 465, 297, , 301
ESP10, 260, 301, 421, 448, 461, 299, , 303
ESP10, 274, 329, 415, 441, 468, 302, , 306
ESP10, 278, 324, 409, 438, 465, 304, , 308
ESP10, 261, 315, 415, 447, 459, 306, , 310
ESP10, 278, 335, 416, 435, 468, 308, , 312
ESP10, 278, 342, 416, 435, 465, 311, , 315
ESP10, 296, 343, 409, 434, 460, 313, , 317
ESP10, 285, 332, 404, 440, 468, 315, , 319
ESP10, 301, 329, 404, 445, 466, 317, , 321
ESP10, 315, 342, 416, 445, 462, 320, , 324
ESP10, 318, 382, 419, 445, 463, 322, , 326
ESP10, 336, 393, 419, 450, 468, 324, , 328
ESP10, 324, 387, 421, 450, 463, 326, , 330
ESP10, 324, 387, 423, 446, 463, 328, , 332
ESP10, 324, 391, 425, 448, 467, 331, , 335
ESP10, 339, 391, 424, 453, 467, 333, , 337
ESP10, 324, 365, 425, 451, 468, 335, , 339
ESP10, 324, 394, 430, 453, 467, 337, , 341
ESP10, 357, 410, 436, 455, 467, 340, , 344
ESP10, 341, 394, 431, 454, 468, 342, , 346
ESP10, 317, 357, 417, 448, 465, 344, , 348
ESP10, 322, 362, 413, 453, 466, 346, , 350
ESP10, 329, 368, 414, 455, 472, 348, , 352
ESP10, 342, 384, 423, 457, 473, 351, , 355
ESP10, 339, 367, 420, 457, 473, 353, , 357
ESP10, 341, 374, 420, 453, 473, 355, , 359
ESP10, 336, 384, 412, 456, 468, 357, , 361
ESP10, 328, 371, 417, 445, 462, 360, , 364
ESP10, 312, 355, 408, 442, 456, 362, , 366
ESP10, 331, 356, 411, 448, 465, 364, , 368
ESP10, 329, 390, 429, 452, 467, 366, , 370
ESP10, 367, 409, 437, 453, 461, 368, , 372
ESP10, 355, 393, 435, 456, 466, 371, , 375
ESP10, 365, 408, 431, 451, 465, 373, , 377
ESP10, 319, 356, 419, 449, 465, 375, , 379
ESP10, 318, 367, 425, 450, 466, 377, , 381
ESP10, 341, 390, 425, 452, 461, 380, , 384
ESP10, 340, 388, 424, 451, 465, 382, , 386
ESP10, 323, 400, 428, 452, 462, 384, , 388
ESP10, 349, 379, 431, 450, 465, 386, , 390
ESP10, 351, 388, 427, 454, 469, 389, , 393
ESP10, 355, 378, 417, 449, 466, 391, , 395
ESP10, 355, 387, 430, 455, 467, 393, , 397
ESP10, 354, 393, 433, 454, 460, 395, , 399
ESP10, 356, 398, 433, 452, 468, 397, , 401
ESP10, 334, 403, 430, 455, 465, 400, , 404
ESP10, 333, 366, 421, 454, 460, 402, , 406
ESP10, 350, 402, 428, 453, 466, 404, , 408
ESP10, 346, 392, 428, 455, 467, 406, , 410
ESP10, 348, 401, 440, 456, 469, 409, , 413
ESP10, 338, 394, 442, 457, 469, 411, , 415
ESP10, 371, 409, 433, 459, 471, 413, , 417
ESP10, 358, 411, 440, 452, 466, 415, , 419
ESP10, 355, 413, 441, 451, 463, 417, , 421
ESP10, 350, 405, 440, 455, 469, 420, , 424
ESP10, 392, 428, 445, 460, 471, 422, , 426
ESP10, 372, 406, 447, 459, 472, 424, , 428
ESP10, 377, 428, 445, 461, 466, 426, , 430
ESP10, 359, 414, 434, 452, 468, 429, , 433
ESP10, 383, 408, 442, 465, 472, 431, , 435
ESP10, 388, 411, 448, 463, 472, 433, , 437
ESP10, 394, 414, 456, 463, 473, 435, , 439
ESP10, 396, 414, 455, 465, 473, 438, , 442
ESP10, 394, 413, 455, 464, 473, 440, , 444
ESP10, 388, 406, 451, 466, 476, 442, , 446
ESP10, 388, 414, 454, 467, 475, 444, , 448
ESP10, 396, 423, 456, 469, 477, 446, , 450
ESP10, 393, 423, 456, 469, 476, 449, , 453
ESP10, 395, 420, 455, 466, 476, 451, , 455
ESP10, 403, 425, 454, 468, 477, 453, , 457
ESP10, 403, 419, 458, 466, 476, 455, , 459
ESP10, 408, 448, 457, 468, 478, 458, , 462
ESP10, 403, 439, 454, 468, 480, 460, , 464
ESP10, 405, 448, 461, 471, 481, 462, , 466
ESP10, 401, 436, 454, 469, 481, 464, , 468
ESP10, 407, 438, 458, 471, 481, 466, , 470
ESP10, 412, 443, 460, 472, 482, 469, , 473
ESP10, 416, 440, 460, 475, 483, 471, , 475
ESP10, 416, 448, 470, 479, 487, 473, , 477
ESP10, 406, 443, 459, 476, 484, 475, , 479
ESP10, 419, 452, 470, 480, 488, 478, , 482
ESP10, 409, 448, 459, 473, 479, 480, , 484
ESP10, 412, 453, 465, 475, 484, 482, , 486
ESP10, 432, 453, 466, 474, 481, 484, , 488
ESP10, 435, 455, 468, 477, 486, 486, , 490
ESP10, 433, 452, 463, 475, 484, 489, , 493
ESP10, 433, 451, 471, 479, 488, 491, , 495
ESP10, 429, 453, 465, 476, 484, 493, , 497
ESP10, 436, 454, 472, 479, 486, 495, , 499
ESP10, 443, 458, 472, 479, 487, 498, , 502
ESP10, 428, 457, 468, 478, 486, 500, , 504
ESP10, 433, 461, 473, 479, 485, 502, , 506
ESP10, 439, 455, 468, 477, 482, 504, , 508
ESP10, 424, 452, 462, 472, 480, 507, , 511
ESP10, 439, 459, 466, 474, 484, 509, , 513
ESP10, 437, 457, 465, 471, 480, 511, , 515
ESP10, 427, 455, 464, 469, 477, 513, , 517
ESP10, 432, 459, 464, 471, 482, 515, , 519
ESP10, 432, 458, 465, 472, 481, 518, , 522
ESP10, 446, 466, 472, 478, 489, 520, , 524
ESP10, 455, 465, 471, 478, 483, 522, , 526
ESP10, 457, 465, 472, 478, 486, 524, , 528
ESP10, 461, 468, 474, 482, 489, 527, , 531
ESP10, 456, 465, 472, 479, 487, 529, , 533
ESP10, 456, 465, 472, 477, 486, 531, , 535
ESP10, 455, 463, 472, 482, 489, 533, , 537
ESP10, 455, 466, 476, 484, 489, 535, , 539
ESP10, 458, 472, 480, 488, 494, 538, , 542
ESP10, 462, 472, 481, 490, 496, 540, , 544
ESP10, 463, 474, 479, 488, 495, 542, , 546
ESP10, 460, 471, 478, 486, 491, 544, , 548
ESP10, 462, 475, 481, 490, 493, 547, , 551
ESP10, 464, 477, 483, 491, 496, 549, , 553
ESP10, 463, 474, 484, 493, 497, 551, , 555
ESP10, 463, 473, 480, 489, 493, 553, , 557
ESP10, 464, 474, 479, 488, 492, 555, , 559
ESP10, 455, 470, 478, 485, 490, 558, , 562
ESP10, 463, 473, 479, 487, 490, 560, , 564
ESP10, 460, 470, 477, 484, 488, 562, , 566
ESP10, 463, 473, 482, 490, 494, 564, , 568
ESP10, 464, 476, 484, 492, 495, 567, , 571
ESP10, 465, 471, 479, 490, 494, 569, , 573
ESP10, 462, 475, 483, 492, 494, 571, , 575
ESP10, 462, 475, 484, 493, 496, 573, , 577
ESP10, 466, 476, 485, 494, 497, 576, , 580
ESP10, 469, 476, 484, 492, 494, 578, , 582
ESP10, 469, 480, 488, 496, 498, 580, , 584
ESP10, 471, 482, 490, 498, 500, 582, , 586
ESP10, 472, 486, 494, 501, 503, 584, , 588
ESP10, 473, 486, 492, 500, 503, 587, , 591
ESP10, 473, 485, 491, 500, 502, 589, , 593
ESP10, 472, 484, 490, 498, 501, 591, , 595
ESP10, 475, 485, 495, 500, 502, 593, , 597
ESP10, 470, 484, 491, 499, 502, 596, , 600
ESP10, 474, 484, 492, 500, 503, 598, , 602
ESP10, 473, 479, 487, 493, 500, 600, , 604
ESP10, 471, 480, 487, 495, 499, 602, , 606
ESP10, 471, 480, 487, 496, 498, 604, , 608
ESP10, 474, 488, 495, 501, 504, 607, , 611
ESP10, 475, 489, 498, 502, 504, 609, , 613
ESP10, 473, 486, 494, 500, 502, 611, , 615
ESP10, 476, 490, 495, 502, 505, 613, , 617
ESP10, 477, 488, 495, 503, 505, 616, , 620
ESP10, 477, 489, 495, 503, 505, 618, , 622
ESP10, 478, 484, 492, 495, 503, 620, , 624
ESP10, 479, 488, 496, 504, 506, 622, , 626
ESP10, 479, 491, 496, 504, 507, 624, , 628
ESP10, 481, 494, 502, 505, 508, 627, , 631
ESP10, 479, 493, 501, 504, 507, 629, , 633
ESP10, 480, 494, 501, 504, 507, 631, , 635
ESP10, 480, 493, 501, 503, 506, 633, , 637
ESP10, 482, 495, 502, 505, 508, 636, , 640
ESP10, 483, 496, 503, 506, 509, 638, , 642
ESP10, 483, 494, 499, 504, 508, 640, , 644
ESP10, 483, 496, 501, 507, 510, 642, , 646
ESP10, 483, 495, 500, 506, 509, 645, , 649
ESP10, 484, 495, 499, 504, 509, 647, , 651
ESP10, 485, 491, 498, 501, 502, 649, , 653
ESP10, 486, 495, 501, 505, 508, 651, , 655
ESP10, 486, 492, 500, 502, 503, 653, , 657
ESP10, 486, 492, 498, 501, 503, 656, , 660
ESP10, 487, 493, 500, 503, 504, 658, , 662
ESP10, 488, 494, 501, 503, 505, 660, , 664
ESP10, 489, 495, 502, 504, 506, 662, , 666
ESP10, 490, 495, 502, 505, 506, 665, , 669
ESP10, 488, 494, 501, 503, 505, 667, , 671
ESP10, 487, 492, 499, 502, 504, 669, , 673
ESP10, 485, 491, 497, 500, 502, 671, , 675
ESP10, 487, 493, 500, 503, 504, 673, , 677
ESP10, 488, 494, 500, 503, 505, 676, , 680
ESP10, 490, 496, 502, 505, 507, 678, , 682
ESP10, 491, 497, 504, 507, 508, 680, , 684
ESP10, 492, 497, 504, 507, 508, 682, , 686
ESP10, 494, 499, 506, 509, 510, 685, , 689
ESP10, 495, 500, 507, 510, 512, 687, , 691
ESP10, 496, 500, 508, 511, 512, 689, , 693
ESP10, 496, 501, 509, 512, 513, 691, , 695
ESP10, 494, 499, 506, 509, 511, 693, , 697
ESP10, 496, 500, 508, 511, 513, 696, , 700
ESP10, 494, 499, 506, 509, 511, 698, , 702
ESP10, 495, 500, 507, 510, 512, 700, , 704
ESP10, 497, 502, 509, 512, 514, 702, , 706
ESP10, 496, 500, 508, 511, 512, 705, , 709
ESP10, 497, 501, 509, 512, 513, 707, , 711
ESP10, 497, 502, 510, 512, 514, 709, , 713
ESP10, 497, 502, 509, 512, 514, 711, , 715
ESP10, 499, 503, 511, 514, 515, 714, , 718
ESP10, 499, 503, 511, 514, 515, 716, , 720
ESP10, 499, 504, 511, 514, 516, 718, , 722
ESP10, 498, 504, 511, 513, 515, 720, , 724
ESP10, 498, 504, 510, 513, 515, 722, , 726
ESP10, 499, 505, 512, 515, 516, 725, , 729
ESP10, 499, 504, 511, 514, 515, 727, , 731
ESP10, 499, 505, 512, 514, 515, 729, , 733
ESP10, 499, 505, 512, 515, 516, 731, , 735
ESP10, 502, 508, 514, 517, 518, 734, , 738
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/SWAI1N_SQIN.ESPF10.csv
SWAI1N_SQIN.ESPF0.csv|2026-07-27
SWAI1N_SQIN.ESPF10.csv|2026-07-27
SWAI1N_SQIN.ESPFM.csv|2026-07-27
APR-SEP
SNAKE - BELOW SWAN FALLS
(
SWAI1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
2576
2937
82
5375
3587
APR-JUL
1714
2067
77
4330
2674
APR-AUG
2140
2484
80
4788
3117
JAN-SEP
4061
4626
86
7892
5361
JAN-JUL
3247
3700
83
6987
4447
OCT-SEP
5601
6380
92
9582
6963
Move the mouse over the desired "Forecast Period" to display a graph.
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
Data Files
/chpsesp/ensemble/natural/SWAI1N_SQIN.ESPF10.csv
SWAI1N_SQIN.ESPF0.csv|2026-07-27
SWAI1N_SQIN.ESPF10.csv|2026-07-27
SWAI1N_SQIN.ESPFM.csv|2026-07-27
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast