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Water Year
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WILLAMETTE - AT WILSONVILLE
(
WLSO3
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-09-21
Issued:
2026-09-21
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3105
3105
55
3105
5597
APR-JUL
2649
2649
53
2649
4987
APR-AUG
2868
2868
54
2868
5306
JAN-SEP
8361
8361
61
8361
13794
JAN-JUL
7905
7905
60
7905
13184
OCT-SEP
12171
12171
65
12171
18732
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-09-21
Issued:
2026-09-21
Hide Forecast
APR-SEP
3104
3105
55
3117
5597
APR-JUL
2649
2649
53
2649
4987
APR-AUG
2868
2868
54
2868
5306
JAN-SEP
8359
8360
61
8372
13794
JAN-JUL
7905
7905
60
7905
13184
OCT-SEP
12169
12170
65
12182
18732
Reference
ESP with 0 Days QPF
Ensemble:
2026-09-21
Issued:
2026-09-21
Hide Forecast
APR-SEP
3102
3105
55
3139
5597
APR-JUL
2649
2649
53
2649
4987
APR-AUG
2868
2868
54
2868
5306
JAN-SEP
8357
8361
61
8395
13794
JAN-JUL
7905
7905
60
7905
13184
OCT-SEP
12167
12171
65
12205
18732
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 177, 260, 310, 349, 423, 70, , 74
ESP10, 176, 259, 309, 349, 422, 72, , 76
ESP10, 177, 260, 309, 349, 422, 74, , 78
ESP10, 178, 260, 310, 349, 423, 76, , 80
ESP10, 178, 260, 310, 349, 423, 77, , 81
ESP10, 177, 259, 310, 349, 422, 79, , 83
ESP10, 177, 259, 309, 349, 421, 81, , 85
ESP10, 177, 259, 309, 350, 422, 83, , 87
ESP10, 178, 260, 310, 351, 423, 85, , 89
ESP10, 177, 259, 309, 350, 422, 87, , 91
ESP10, 177, 259, 309, 350, 422, 89, , 93
ESP10, 177, 259, 309, 350, 421, 91, , 95
ESP10, 177, 259, 308, 350, 421, 92, , 96
ESP10, 177, 259, 308, 350, 420, 94, , 98
ESP10, 176, 259, 308, 350, 419, 96, , 100
ESP10, 176, 259, 306, 349, 416, 98, , 102
ESP10, 175, 258, 305, 349, 414, 100, , 104
ESP10, 175, 259, 305, 349, 416, 102, , 106
ESP10, 176, 259, 306, 350, 416, 104, , 108
ESP10, 176, 260, 306, 350, 416, 106, , 110
ESP10, 175, 259, 305, 349, 414, 107, , 111
ESP10, 175, 259, 305, 353, 415, 109, , 113
ESP10, 175, 259, 304, 353, 413, 111, , 115
ESP10, 176, 260, 306, 357, 417, 113, , 117
ESP10, 177, 260, 307, 357, 418, 115, , 119
ESP10, 177, 260, 307, 356, 417, 117, , 121
ESP10, 177, 260, 307, 357, 417, 119, , 123
ESP10, 178, 260, 307, 356, 417, 121, , 125
ESP10, 177, 260, 306, 356, 417, 122, , 126
ESP10, 177, 259, 305, 356, 416, 124, , 128
ESP10, 177, 259, 304, 356, 415, 126, , 130
ESP10, 177, 259, 303, 355, 414, 128, , 132
ESP10, 177, 259, 303, 355, 414, 130, , 134
ESP10, 178, 259, 304, 356, 415, 132, , 136
ESP10, 179, 259, 305, 357, 416, 134, , 138
ESP10, 179, 260, 305, 357, 416, 136, , 140
ESP10, 179, 260, 304, 358, 416, 137, , 141
ESP10, 179, 261, 304, 358, 415, 139, , 143
ESP10, 179, 261, 304, 358, 415, 141, , 145
ESP10, 179, 261, 303, 358, 414, 143, , 147
ESP10, 183, 265, 305, 361, 416, 145, , 149
ESP10, 185, 265, 305, 362, 417, 147, , 151
ESP10, 185, 264, 305, 361, 416, 149, , 153
ESP10, 188, 266, 306, 363, 420, 151, , 155
ESP10, 189, 266, 306, 363, 419, 152, , 156
ESP10, 186, 264, 305, 363, 418, 154, , 158
ESP10, 189, 265, 306, 364, 419, 156, , 160
ESP10, 190, 266, 308, 365, 421, 158, , 162
ESP10, 191, 268, 308, 367, 422, 160, , 164
ESP10, 191, 268, 308, 367, 422, 162, , 166
ESP10, 191, 269, 308, 367, 422, 164, , 168
ESP10, 190, 269, 308, 368, 421, 166, , 170
ESP10, 191, 271, 310, 371, 423, 167, , 171
ESP10, 192, 273, 313, 373, 425, 169, , 173
ESP10, 193, 273, 313, 375, 425, 171, , 175
ESP10, 196, 274, 314, 377, 425, 173, , 177
ESP10, 196, 274, 314, 379, 425, 175, , 179
ESP10, 195, 273, 314, 378, 426, 177, , 181
ESP10, 196, 275, 315, 379, 428, 179, , 183
ESP10, 192, 272, 312, 375, 423, 181, , 185
ESP10, 192, 272, 311, 373, 421, 182, , 186
ESP10, 195, 272, 313, 374, 424, 184, , 188
ESP10, 195, 272, 310, 372, 422, 186, , 190
ESP10, 193, 270, 308, 372, 421, 188, , 192
ESP10, 194, 272, 309, 373, 424, 190, , 194
ESP10, 193, 272, 308, 371, 422, 192, , 196
ESP10, 193, 273, 308, 370, 423, 194, , 198
ESP10, 197, 276, 311, 375, 430, 196, , 200
ESP10, 197, 276, 312, 376, 430, 197, , 201
ESP10, 193, 273, 309, 374, 426, 199, , 203
ESP10, 191, 272, 307, 375, 424, 201, , 205
ESP10, 190, 270, 305, 374, 425, 203, , 207
ESP10, 186, 267, 302, 371, 423, 205, , 209
ESP10, 189, 269, 304, 376, 426, 207, , 211
ESP10, 191, 271, 306, 377, 427, 209, , 213
ESP10, 190, 271, 306, 376, 426, 211, , 215
ESP10, 189, 270, 306, 376, 426, 213, , 217
ESP10, 190, 271, 307, 378, 426, 214, , 218
ESP10, 191, 271, 307, 378, 426, 216, , 220
ESP10, 192, 271, 307, 379, 425, 218, , 222
ESP10, 194, 273, 309, 380, 426, 220, , 224
ESP10, 197, 274, 310, 382, 427, 222, , 226
ESP10, 200, 276, 312, 387, 428, 224, , 228
ESP10, 201, 276, 313, 387, 428, 226, , 230
ESP10, 198, 275, 314, 383, 426, 228, , 232
ESP10, 196, 273, 313, 381, 424, 229, , 233
ESP10, 199, 275, 315, 384, 427, 231, , 235
ESP10, 200, 277, 317, 387, 429, 233, , 237
ESP10, 199, 278, 317, 388, 429, 235, , 239
ESP10, 200, 282, 317, 388, 429, 237, , 241
ESP10, 200, 285, 319, 389, 430, 239, , 243
ESP10, 200, 284, 319, 388, 429, 241, , 245
ESP10, 197, 281, 319, 384, 426, 243, , 247
ESP10, 198, 282, 322, 385, 428, 244, , 248
ESP10, 198, 281, 324, 385, 428, 246, , 250
ESP10, 197, 280, 324, 384, 428, 248, , 252
ESP10, 196, 279, 324, 382, 426, 250, , 254
ESP10, 199, 283, 329, 386, 430, 252, , 256
ESP10, 201, 284, 330, 387, 432, 254, , 258
ESP10, 201, 285, 331, 389, 432, 256, , 260
ESP10, 202, 286, 332, 391, 434, 258, , 262
ESP10, 206, 286, 332, 394, 434, 259, , 263
ESP10, 207, 286, 334, 394, 434, 261, , 265
ESP10, 208, 287, 334, 393, 434, 263, , 267
ESP10, 212, 288, 336, 396, 435, 265, , 269
ESP10, 214, 288, 337, 397, 434, 267, , 271
ESP10, 214, 287, 336, 396, 433, 269, , 273
ESP10, 217, 289, 340, 399, 434, 271, , 275
ESP10, 218, 289, 343, 400, 434, 273, , 277
ESP10, 220, 291, 347, 405, 436, 274, , 278
ESP10, 219, 290, 346, 404, 437, 276, , 280
ESP10, 219, 291, 346, 405, 438, 278, , 282
ESP10, 219, 290, 345, 406, 437, 280, , 284
ESP10, 220, 291, 347, 408, 439, 282, , 286
ESP10, 220, 291, 347, 408, 440, 284, , 288
ESP10, 218, 290, 346, 407, 440, 286, , 290
ESP10, 218, 290, 346, 407, 440, 288, , 292
ESP10, 218, 290, 346, 407, 440, 289, , 293
ESP10, 219, 293, 348, 407, 441, 291, , 295
ESP10, 220, 296, 350, 412, 443, 293, , 297
ESP10, 221, 300, 353, 413, 443, 295, , 299
ESP10, 221, 298, 354, 411, 442, 297, , 301
ESP10, 219, 294, 352, 408, 439, 299, , 303
ESP10, 219, 294, 349, 407, 437, 301, , 305
ESP10, 227, 299, 357, 410, 437, 303, , 307
ESP10, 226, 303, 357, 412, 437, 304, , 308
ESP10, 227, 300, 353, 409, 434, 306, , 310
ESP10, 229, 301, 354, 414, 438, 308, , 312
ESP10, 225, 298, 350, 410, 434, 310, , 314
ESP10, 222, 296, 351, 407, 431, 312, , 316
ESP10, 220, 295, 353, 405, 431, 314, , 318
ESP10, 221, 294, 354, 407, 434, 316, , 320
ESP10, 215, 284, 344, 401, 427, 318, , 322
ESP10, 217, 288, 344, 404, 429, 319, , 323
ESP10, 213, 285, 340, 399, 426, 321, , 325
ESP10, 208, 277, 334, 392, 421, 323, , 327
ESP10, 211, 278, 334, 392, 424, 325, , 329
ESP10, 215, 283, 341, 398, 431, 327, , 331
ESP10, 205, 275, 332, 388, 422, 329, , 333
ESP10, 216, 291, 345, 399, 435, 331, , 335
ESP10, 219, 294, 347, 398, 436, 333, , 337
ESP10, 227, 301, 357, 406, 443, 334, , 338
ESP10, 232, 308, 362, 409, 447, 336, , 340
ESP10, 232, 313, 367, 410, 447, 338, , 342
ESP10, 232, 317, 368, 411, 448, 340, , 344
ESP10, 230, 318, 367, 411, 448, 342, , 346
ESP10, 225, 314, 362, 405, 444, 344, , 348
ESP10, 220, 312, 359, 401, 440, 346, , 350
ESP10, 215, 307, 356, 397, 436, 348, , 352
ESP10, 214, 309, 356, 396, 435, 350, , 354
ESP10, 216, 312, 357, 398, 437, 351, , 355
ESP10, 217, 316, 357, 399, 438, 353, , 357
ESP10, 218, 315, 357, 399, 435, 355, , 359
ESP10, 212, 304, 347, 392, 426, 357, , 361
ESP10, 214, 305, 352, 393, 430, 359, , 363
ESP10, 214, 299, 361, 390, 426, 361, , 365
ESP10, 219, 299, 361, 391, 427, 363, , 367
ESP10, 219, 298, 359, 392, 426, 365, , 369
ESP10, 220, 298, 356, 392, 427, 366, , 370
ESP10, 231, 306, 368, 400, 435, 368, , 372
ESP10, 235, 304, 363, 399, 433, 370, , 374
ESP10, 234, 301, 357, 395, 432, 372, , 376
ESP10, 242, 311, 364, 404, 442, 374, , 378
ESP10, 246, 321, 368, 414, 450, 376, , 380
ESP10, 247, 325, 367, 421, 451, 378, , 382
ESP10, 248, 320, 367, 417, 443, 380, , 384
ESP10, 243, 317, 362, 410, 439, 381, , 385
ESP10, 250, 320, 374, 412, 447, 383, , 387
ESP10, 259, 328, 378, 419, 454, 385, , 389
ESP10, 265, 334, 389, 425, 456, 387, , 391
ESP10, 270, 339, 389, 427, 458, 389, , 393
ESP10, 276, 345, 391, 427, 464, 391, , 395
ESP10, 277, 342, 390, 424, 461, 393, , 397
ESP10, 267, 326, 380, 409, 445, 395, , 399
ESP10, 257, 320, 372, 396, 437, 396, , 400
ESP10, 272, 334, 384, 407, 449, 398, , 402
ESP10, 260, 321, 373, 392, 431, 400, , 404
ESP10, 272, 344, 381, 408, 438, 402, , 406
ESP10, 286, 345, 384, 417, 443, 404, , 408
ESP10, 298, 356, 391, 426, 454, 406, , 410
ESP10, 316, 361, 398, 433, 459, 408, , 412
ESP10, 325, 367, 414, 442, 465, 410, , 414
ESP10, 338, 376, 419, 449, 473, 411, , 415
ESP10, 344, 383, 427, 459, 478, 413, , 417
ESP10, 344, 385, 423, 461, 481, 415, , 419
ESP10, 350, 391, 427, 467, 484, 417, , 421
ESP10, 342, 383, 420, 461, 482, 419, , 423
ESP10, 343, 390, 425, 470, 485, 421, , 425
ESP10, 323, 368, 404, 455, 469, 423, , 427
ESP10, 308, 354, 398, 439, 455, 425, , 429
ESP10, 304, 350, 395, 437, 452, 426, , 430
ESP10, 283, 331, 375, 418, 433, 428, , 432
ESP10, 276, 322, 366, 409, 423, 430, , 434
ESP10, 295, 331, 373, 416, 427, 432, , 436
ESP10, 303, 341, 377, 421, 428, 434, , 438
ESP10, 303, 341, 377, 420, 428, 436, , 440
ESP10, 326, 360, 394, 431, 439, 438, , 442
ESP10, 330, 358, 393, 427, 435, 440, , 444
ESP10, 330, 362, 394, 427, 435, 441, , 445
ESP10, 334, 364, 400, 430, 437, 443, , 447
ESP10, 344, 374, 407, 436, 443, 445, , 449
ESP10, 342, 374, 401, 431, 439, 447, , 451
ESP10, 351, 383, 406, 434, 441, 449, , 453
ESP10, 352, 387, 409, 433, 441, 451, , 455
ESP10, 355, 387, 414, 432, 442, 453, , 457
ESP10, 357, 387, 419, 432, 442, 455, , 459
ESP10, 364, 389, 421, 433, 442, 456, , 460
ESP10, 366, 388, 420, 434, 442, 458, , 462
ESP10, 369, 394, 420, 433, 442, 460, , 464
ESP10, 369, 392, 419, 432, 441, 462, , 466
ESP10, 370, 397, 422, 433, 440, 464, , 468
ESP10, 371, 399, 424, 434, 441, 466, , 470
ESP10, 374, 400, 426, 436, 441, 468, , 472
ESP10, 376, 400, 427, 438, 441, 470, , 474
ESP10, 382, 400, 427, 438, 442, 472, , 476
ESP10, 390, 402, 427, 438, 442, 473, , 477
ESP10, 391, 405, 427, 439, 442, 475, , 479
ESP10, 391, 411, 430, 439, 442, 477, , 481
ESP10, 392, 411, 430, 439, 442, 479, , 483
ESP10, 394, 415, 430, 440, 442, 481, , 485
ESP10, 397, 416, 432, 440, 443, 483, , 487
ESP10, 396, 415, 432, 440, 443, 485, , 489
ESP10, 397, 413, 432, 439, 442, 487, , 491
ESP10, 400, 415, 431, 438, 442, 488, , 492
ESP10, 402, 416, 433, 438, 442, 490, , 494
ESP10, 405, 417, 435, 439, 442, 492, , 496
ESP10, 408, 417, 435, 438, 442, 494, , 498
ESP10, 406, 416, 433, 438, 441, 496, , 500
ESP10, 406, 420, 434, 438, 441, 498, , 502
ESP10, 408, 424, 437, 441, 443, 500, , 504
ESP10, 410, 423, 436, 440, 442, 502, , 506
ESP10, 414, 423, 435, 440, 442, 503, , 507
ESP10, 413, 425, 435, 439, 442, 505, , 509
ESP10, 414, 425, 436, 440, 442, 507, , 511
ESP10, 419, 427, 438, 441, 442, 509, , 513
ESP10, 420, 430, 438, 442, 443, 511, , 515
ESP10, 420, 430, 437, 440, 442, 513, , 517
ESP10, 421, 428, 435, 439, 441, 515, , 519
ESP10, 423, 431, 436, 440, 441, 517, , 521
ESP10, 425, 431, 436, 439, 440, 518, , 522
ESP10, 426, 433, 436, 440, 441, 520, , 524
ESP10, 425, 433, 437, 440, 441, 522, , 526
ESP10, 426, 433, 437, 440, 441, 524, , 528
ESP10, 428, 434, 437, 440, 442, 526, , 530
ESP10, 428, 434, 438, 440, 442, 528, , 532
ESP10, 427, 434, 438, 440, 441, 530, , 534
ESP10, 427, 434, 438, 440, 441, 532, , 536
ESP10, 425, 432, 435, 437, 439, 533, , 537
ESP10, 426, 432, 436, 438, 439, 535, , 539
ESP10, 428, 434, 437, 440, 441, 537, , 541
ESP10, 428, 435, 438, 440, 442, 539, , 543
ESP10, 428, 435, 438, 440, 441, 541, , 545
ESP10, 428, 435, 438, 440, 441, 543, , 547
ESP10, 427, 434, 437, 439, 440, 545, , 549
ESP10, 427, 434, 437, 439, 440, 547, , 551
ESP10, 428, 435, 437, 440, 441, 548, , 552
ESP10, 428, 435, 438, 440, 441, 550, , 554
ESP10, 428, 435, 438, 440, 441, 552, , 556
ESP10, 428, 435, 439, 440, 441, 554, , 558
ESP10, 428, 435, 438, 440, 441, 556, , 560
ESP10, 428, 435, 438, 440, 441, 558, , 562
ESP10, 428, 436, 439, 440, 441, 560, , 564
ESP10, 429, 435, 439, 440, 441, 562, , 566
ESP10, 429, 436, 439, 441, 441, 563, , 567
ESP10, 430, 436, 439, 441, 441, 565, , 569
ESP10, 430, 435, 438, 440, 441, 567, , 571
ESP10, 430, 436, 439, 441, 441, 569, , 573
ESP10, 431, 436, 440, 441, 442, 571, , 575
ESP10, 430, 436, 439, 441, 442, 573, , 577
ESP10, 430, 435, 439, 440, 441, 575, , 579
ESP10, 429, 435, 438, 440, 440, 577, , 581
ESP10, 429, 435, 438, 439, 440, 578, , 582
ESP10, 429, 435, 438, 439, 440, 580, , 584
ESP10, 429, 434, 438, 439, 440, 582, , 586
ESP10, 429, 435, 438, 439, 440, 584, , 588
ESP10, 429, 434, 437, 439, 440, 586, , 590
ESP10, 429, 434, 437, 439, 440, 588, , 592
ESP10, 429, 434, 437, 439, 440, 590, , 594
ESP10, 429, 435, 438, 440, 440, 592, , 596
ESP10, 431, 435, 438, 439, 440, 593, , 597
ESP10, 431, 435, 438, 439, 440, 595, , 599
ESP10, 430, 435, 437, 439, 440, 597, , 601
ESP10, 430, 435, 437, 439, 440, 599, , 603
ESP10, 430, 435, 438, 439, 440, 601, , 605
ESP10, 430, 435, 437, 439, 440, 603, , 607
ESP10, 431, 435, 438, 439, 440, 605, , 609
ESP10, 431, 436, 439, 440, 440, 607, , 611
ESP10, 430, 435, 438, 439, 440, 609, , 613
ESP10, 430, 435, 438, 439, 440, 610, , 614
ESP10, 430, 435, 438, 439, 440, 612, , 616
ESP10, 430, 435, 438, 439, 440, 614, , 618
ESP10, 430, 435, 438, 439, 440, 616, , 620
ESP10, 430, 435, 438, 439, 440, 618, , 622
ESP10, 431, 436, 439, 440, 440, 620, , 624
ESP10, 431, 436, 439, 440, 441, 622, , 626
ESP10, 431, 436, 438, 440, 440, 624, , 628
ESP10, 431, 436, 439, 440, 441, 625, , 629
ESP10, 431, 436, 439, 440, 440, 627, , 631
ESP10, 431, 436, 439, 440, 441, 629, , 633
ESP10, 431, 436, 439, 440, 441, 631, , 635
ESP10, 431, 436, 439, 440, 441, 633, , 637
ESP10, 431, 436, 439, 440, 441, 635, , 639
ESP10, 431, 436, 439, 440, 441, 637, , 641
ESP10, 431, 436, 439, 440, 441, 639, , 643
ESP10, 431, 436, 439, 440, 441, 640, , 644
ESP10, 431, 436, 439, 440, 441, 642, , 646
ESP10, 429, 434, 436, 438, 438, 644, , 648
ESP10, 429, 434, 436, 438, 438, 646, , 650
ESP10, 428, 434, 436, 437, 438, 648, , 652
ESP10, 428, 433, 436, 437, 438, 650, , 654
ESP10, 430, 436, 438, 439, 440, 652, , 656
ESP10, 430, 435, 438, 439, 440, 654, , 658
ESP10, 429, 434, 437, 438, 439, 655, , 659
ESP10, 429, 434, 437, 438, 439, 657, , 661
ESP10, 430, 434, 437, 438, 439, 659, , 663
ESP10, 430, 434, 438, 438, 439, 661, , 665
ESP10, 431, 434, 438, 438, 439, 663, , 667
ESP10, 432, 434, 438, 438, 439, 665, , 669
ESP10, 432, 434, 437, 438, 439, 667, , 671
ESP10, 431, 434, 437, 438, 438, 669, , 673
ESP10, 432, 434, 437, 438, 439, 670, , 674
ESP10, 431, 434, 437, 438, 438, 672, , 676
ESP10, 431, 434, 437, 438, 438, 674, , 678
ESP10, 431, 434, 437, 438, 439, 676, , 680
ESP10, 431, 434, 437, 438, 438, 678, , 682
ESP10, 431, 434, 437, 438, 438, 680, , 684
ESP10, 431, 434, 437, 438, 438, 682, , 686
ESP10, 431, 434, 437, 438, 438, 684, , 688
ESP10, 431, 433, 437, 438, 438, 685, , 689
ESP10, 430, 433, 436, 437, 437, 687, , 691
ESP10, 429, 432, 436, 437, 437, 689, , 693
ESP10, 428, 432, 435, 436, 436, 691, , 695
ESP10, 427, 430, 434, 435, 435, 693, , 697
ESP10, 427, 430, 433, 434, 435, 695, , 699
ESP10, 428, 431, 434, 435, 435, 697, , 701
ESP10, 428, 431, 434, 435, 435, 699, , 703
ESP10, 429, 432, 435, 436, 436, 700, , 704
ESP10, 427, 431, 434, 435, 435, 702, , 706
ESP10, 429, 432, 435, 435, 436, 704, , 708
ESP10, 429, 433, 435, 435, 435, 706, , 710
ESP10, 429, 433, 435, 435, 435, 708, , 712
ESP10, 429, 433, 435, 435, 435, 710, , 714
ESP10, 431, 433, 434, 434, 435, 712, , 716
ESP10, 432, 433, 434, 434, 434, 714, , 718
ESP10, 431, 433, 433, 434, 434, 715, , 719
ESP10, 431, 433, 434, 434, 434, 717, , 721
ESP10, 431, 433, 434, 434, 434, 719, , 723
ESP10, 432, 433, 434, 434, 434, 721, , 725
ESP10, 432, 433, 434, 434, 434, 723, , 727
ESP10, 433, 433, 434, 434, 434, 725, , 729
ESP10, 433, 433, 433, 433, 433, 727, , 731
ESP10, 433, 433, 434, 434, 434, 729, , 733
ESP10, 433, 433, 433, 433, 433, 730, , 734
ESP10, 433, 433, 433, 433, 433, 732, , 736
ESP10, 433, 433, 433, 433, 433, 734, , 738
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/WLSO3N_SQIN.ESPF10.csv
WLSO3N_SQIN.ESPF0.csv|2026-09-21
WLSO3N_SQIN.ESPF10.csv|2026-09-21
WLSO3N_SQIN.ESPFM.csv|2026-09-21
APR-SEP
WILLAMETTE - AT WILSONVILLE
(
WLSO3
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-09-21
Issued:
2026-09-21
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3267
4896
87
6960
5597
APR-JUL
2902
4347
87
6281
4987
APR-AUG
3098
4641
87
6622
5306
JAN-SEP
8568
12440
90
16921
13794
JAN-JUL
8105
11831
90
16219
13184
OCT-SEP
11764
16802
90
23381
18732
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/WLSO3N_SQIN.ESPF10.csv
WLSO3N_SQIN.ESPF0.csv|2026-09-21
WLSO3N_SQIN.ESPF10.csv|2026-09-21
WLSO3N_SQIN.ESPFM.csv|2026-09-21
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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