Choose Date:
Archive:
Water Year
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TUALATIN - AT WEST LINN
(
WSLO3
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-20
Issued:
2026-07-20
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
114
115
57
120
202
APR-JUL
112
112
59
112
190
JAN-SEP
581
583
73
587
801
JAN-JUL
580
580
73
580
789
OCT-SEP
901
902
82
906
1099
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-20
Issued:
2026-07-20
Hide Forecast
APR-SEP
114
116
57
120
202
APR-JUL
112
112
59
113
190
JAN-SEP
581
583
73
587
801
JAN-JUL
580
580
73
580
789
OCT-SEP
901
902
82
906
1099
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-20
Issued:
2026-07-20
Hide Forecast
APR-SEP
114
116
57
120
202
APR-JUL
112
112
59
113
190
JAN-SEP
581
583
73
587
801
JAN-JUL
580
580
73
580
789
OCT-SEP
901
902
82
906
1099
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 211, 285, 378, 448, 458, 70, , 74
ESP10, 211, 285, 378, 448, 458, 73, , 77
ESP10, 211, 285, 378, 448, 458, 75, , 79
ESP10, 212, 285, 378, 448, 458, 77, , 81
ESP10, 212, 285, 378, 448, 458, 79, , 83
ESP10, 212, 285, 378, 448, 458, 82, , 86
ESP10, 212, 285, 378, 448, 458, 84, , 88
ESP10, 212, 285, 378, 448, 458, 86, , 90
ESP10, 212, 285, 378, 448, 458, 89, , 93
ESP10, 212, 285, 378, 448, 458, 91, , 95
ESP10, 212, 285, 378, 448, 458, 93, , 97
ESP10, 212, 285, 378, 448, 458, 95, , 99
ESP10, 212, 285, 378, 448, 458, 98, , 102
ESP10, 212, 284, 378, 447, 458, 100, , 104
ESP10, 212, 284, 377, 447, 457, 102, , 106
ESP10, 211, 284, 377, 446, 457, 104, , 108
ESP10, 211, 284, 377, 446, 457, 107, , 111
ESP10, 211, 284, 377, 447, 457, 109, , 113
ESP10, 211, 284, 377, 447, 457, 111, , 115
ESP10, 211, 284, 377, 447, 457, 114, , 118
ESP10, 211, 284, 377, 446, 457, 116, , 120
ESP10, 211, 284, 377, 446, 457, 118, , 122
ESP10, 211, 284, 377, 446, 457, 120, , 124
ESP10, 211, 284, 378, 446, 457, 123, , 127
ESP10, 211, 285, 378, 447, 457, 125, , 129
ESP10, 211, 284, 378, 446, 457, 127, , 131
ESP10, 211, 284, 378, 446, 457, 130, , 134
ESP10, 211, 284, 378, 446, 457, 132, , 136
ESP10, 211, 284, 378, 446, 457, 134, , 138
ESP10, 211, 284, 377, 445, 457, 136, , 140
ESP10, 211, 284, 377, 445, 457, 139, , 143
ESP10, 211, 284, 377, 445, 457, 141, , 145
ESP10, 211, 284, 377, 444, 457, 143, , 147
ESP10, 211, 284, 377, 445, 457, 145, , 149
ESP10, 211, 284, 378, 445, 457, 148, , 152
ESP10, 211, 284, 378, 445, 457, 150, , 154
ESP10, 211, 284, 378, 445, 457, 152, , 156
ESP10, 211, 284, 378, 445, 457, 155, , 159
ESP10, 211, 284, 378, 445, 457, 157, , 161
ESP10, 211, 284, 377, 445, 457, 159, , 163
ESP10, 211, 284, 378, 445, 457, 161, , 165
ESP10, 212, 284, 378, 445, 457, 164, , 168
ESP10, 212, 284, 378, 445, 457, 166, , 170
ESP10, 212, 285, 379, 446, 457, 168, , 172
ESP10, 212, 284, 379, 446, 458, 171, , 175
ESP10, 212, 284, 379, 446, 458, 173, , 177
ESP10, 212, 284, 379, 446, 458, 175, , 179
ESP10, 212, 285, 379, 447, 458, 177, , 181
ESP10, 212, 285, 379, 447, 458, 180, , 184
ESP10, 212, 285, 379, 447, 458, 182, , 186
ESP10, 212, 285, 379, 447, 458, 184, , 188
ESP10, 212, 285, 379, 446, 458, 187, , 191
ESP10, 212, 286, 379, 447, 459, 189, , 193
ESP10, 212, 286, 380, 447, 459, 191, , 195
ESP10, 212, 285, 379, 447, 459, 193, , 197
ESP10, 212, 286, 380, 448, 459, 196, , 200
ESP10, 212, 285, 379, 447, 459, 198, , 202
ESP10, 212, 285, 379, 447, 459, 200, , 204
ESP10, 212, 286, 379, 447, 459, 202, , 206
ESP10, 212, 285, 378, 446, 459, 205, , 209
ESP10, 212, 285, 378, 445, 458, 207, , 211
ESP10, 212, 285, 378, 446, 458, 209, , 213
ESP10, 212, 284, 377, 445, 458, 212, , 216
ESP10, 212, 284, 377, 445, 457, 214, , 218
ESP10, 212, 284, 377, 444, 457, 216, , 220
ESP10, 211, 283, 377, 444, 457, 218, , 222
ESP10, 211, 284, 377, 444, 457, 221, , 225
ESP10, 211, 284, 377, 444, 457, 223, , 227
ESP10, 211, 283, 377, 444, 456, 225, , 229
ESP10, 211, 283, 377, 443, 456, 228, , 232
ESP10, 211, 283, 377, 443, 456, 230, , 234
ESP10, 211, 282, 377, 443, 456, 232, , 236
ESP10, 211, 283, 377, 444, 456, 234, , 238
ESP10, 211, 283, 377, 444, 456, 237, , 241
ESP10, 211, 283, 377, 444, 456, 239, , 243
ESP10, 211, 283, 377, 443, 456, 241, , 245
ESP10, 211, 284, 377, 443, 455, 243, , 247
ESP10, 211, 284, 377, 443, 455, 246, , 250
ESP10, 211, 283, 377, 443, 455, 248, , 252
ESP10, 211, 283, 377, 443, 455, 250, , 254
ESP10, 212, 284, 377, 444, 455, 253, , 257
ESP10, 212, 284, 377, 445, 456, 255, , 259
ESP10, 212, 285, 377, 446, 456, 257, , 261
ESP10, 212, 285, 378, 446, 457, 259, , 263
ESP10, 212, 285, 377, 446, 457, 262, , 266
ESP10, 211, 284, 377, 445, 457, 264, , 268
ESP10, 212, 285, 377, 445, 458, 266, , 270
ESP10, 212, 285, 377, 446, 459, 269, , 273
ESP10, 212, 285, 377, 445, 459, 271, , 275
ESP10, 212, 285, 378, 446, 460, 273, , 277
ESP10, 212, 285, 379, 446, 461, 275, , 279
ESP10, 212, 285, 379, 446, 461, 278, , 282
ESP10, 212, 284, 378, 445, 460, 280, , 284
ESP10, 213, 284, 379, 445, 460, 282, , 286
ESP10, 213, 284, 380, 445, 461, 284, , 288
ESP10, 214, 284, 382, 446, 462, 287, , 291
ESP10, 215, 285, 382, 445, 462, 289, , 293
ESP10, 216, 286, 383, 446, 462, 291, , 295
ESP10, 217, 288, 384, 447, 462, 294, , 298
ESP10, 219, 289, 385, 449, 463, 296, , 300
ESP10, 219, 289, 385, 450, 464, 298, , 302
ESP10, 219, 291, 386, 451, 465, 300, , 304
ESP10, 220, 292, 387, 450, 465, 303, , 307
ESP10, 220, 292, 386, 450, 465, 305, , 309
ESP10, 220, 294, 387, 452, 466, 307, , 311
ESP10, 220, 295, 386, 453, 466, 310, , 314
ESP10, 219, 294, 385, 452, 466, 312, , 316
ESP10, 219, 295, 387, 453, 466, 314, , 318
ESP10, 219, 296, 390, 456, 468, 316, , 320
ESP10, 220, 298, 392, 457, 470, 319, , 323
ESP10, 219, 296, 391, 457, 470, 321, , 325
ESP10, 221, 298, 395, 459, 472, 323, , 327
ESP10, 220, 297, 397, 461, 475, 326, , 330
ESP10, 223, 302, 401, 464, 481, 328, , 332
ESP10, 222, 300, 400, 463, 481, 330, , 334
ESP10, 220, 296, 397, 461, 478, 332, , 336
ESP10, 221, 296, 397, 462, 479, 335, , 339
ESP10, 223, 297, 398, 462, 482, 337, , 341
ESP10, 227, 298, 398, 463, 483, 339, , 343
ESP10, 235, 297, 398, 462, 487, 341, , 345
ESP10, 240, 297, 397, 462, 488, 344, , 348
ESP10, 238, 295, 396, 460, 487, 346, , 350
ESP10, 234, 292, 394, 458, 484, 348, , 352
ESP10, 232, 290, 393, 457, 481, 351, , 355
ESP10, 235, 295, 387, 460, 483, 353, , 357
ESP10, 233, 296, 386, 459, 482, 355, , 359
ESP10, 230, 288, 382, 456, 476, 357, , 361
ESP10, 237, 295, 389, 464, 484, 360, , 364
ESP10, 235, 289, 387, 459, 480, 362, , 366
ESP10, 240, 291, 391, 463, 482, 364, , 368
ESP10, 236, 282, 393, 457, 474, 367, , 371
ESP10, 239, 281, 395, 458, 474, 369, , 373
ESP10, 232, 272, 385, 454, 466, 371, , 375
ESP10, 236, 278, 390, 459, 473, 373, , 377
ESP10, 238, 278, 389, 457, 471, 376, , 380
ESP10, 234, 270, 384, 448, 462, 378, , 382
ESP10, 231, 266, 384, 445, 457, 380, , 384
ESP10, 233, 271, 389, 449, 462, 382, , 386
ESP10, 222, 264, 379, 437, 453, 385, , 389
ESP10, 234, 273, 387, 449, 463, 387, , 391
ESP10, 231, 270, 394, 446, 463, 389, , 393
ESP10, 244, 280, 401, 457, 473, 392, , 396
ESP10, 244, 281, 401, 459, 473, 394, , 398
ESP10, 248, 285, 402, 461, 481, 396, , 400
ESP10, 250, 290, 401, 462, 480, 398, , 402
ESP10, 246, 292, 402, 460, 477, 401, , 405
ESP10, 236, 291, 397, 453, 471, 403, , 407
ESP10, 232, 286, 395, 446, 469, 405, , 409
ESP10, 228, 290, 392, 445, 468, 408, , 412
ESP10, 226, 291, 388, 442, 467, 410, , 414
ESP10, 228, 293, 391, 442, 473, 412, , 416
ESP10, 232, 289, 383, 437, 472, 414, , 418
ESP10, 230, 291, 382, 434, 472, 417, , 421
ESP10, 222, 285, 374, 423, 463, 419, , 423
ESP10, 217, 277, 368, 412, 453, 421, , 425
ESP10, 221, 273, 373, 410, 451, 424, , 428
ESP10, 215, 265, 369, 405, 441, 426, , 430
ESP10, 216, 265, 371, 410, 442, 428, , 432
ESP10, 181, 229, 336, 383, 412, 430, , 434
ESP10, 208, 255, 365, 410, 441, 433, , 437
ESP10, 197, 245, 355, 399, 433, 435, , 439
ESP10, 188, 230, 341, 391, 420, 437, , 441
ESP10, 194, 241, 349, 395, 426, 439, , 443
ESP10, 211, 259, 364, 410, 444, 442, , 446
ESP10, 215, 269, 369, 415, 457, 444, , 448
ESP10, 215, 260, 365, 410, 450, 446, , 450
ESP10, 208, 266, 359, 401, 440, 449, , 453
ESP10, 212, 266, 357, 396, 431, 451, , 455
ESP10, 212, 268, 335, 382, 408, 453, , 457
ESP10, 213, 277, 334, 379, 400, 455, , 459
ESP10, 222, 293, 340, 389, 409, 458, , 462
ESP10, 278, 342, 398, 441, 457, 460, , 464
ESP10, 283, 342, 411, 442, 456, 462, , 466
ESP10, 286, 349, 404, 439, 451, 465, , 469
ESP10, 289, 350, 403, 435, 451, 467, , 471
ESP10, 333, 389, 433, 460, 480, 469, , 473
ESP10, 316, 378, 416, 446, 465, 471, , 475
ESP10, 334, 383, 436, 453, 469, 474, , 478
ESP10, 371, 387, 439, 462, 474, 476, , 480
ESP10, 385, 402, 450, 479, 487, 478, , 482
ESP10, 397, 429, 457, 477, 484, 480, , 484
ESP10, 406, 438, 466, 484, 491, 483, , 487
ESP10, 415, 443, 466, 483, 489, 485, , 489
ESP10, 417, 447, 467, 481, 488, 487, , 491
ESP10, 435, 455, 470, 488, 492, 490, , 494
ESP10, 445, 461, 476, 492, 496, 492, , 496
ESP10, 458, 477, 489, 505, 508, 494, , 498
ESP10, 459, 477, 493, 505, 508, 496, , 500
ESP10, 449, 477, 493, 509, 512, 499, , 503
ESP10, 445, 472, 492, 508, 511, 501, , 505
ESP10, 441, 473, 492, 507, 510, 503, , 507
ESP10, 411, 447, 475, 492, 495, 506, , 510
ESP10, 379, 415, 446, 466, 470, 508, , 512
ESP10, 380, 419, 448, 464, 469, 510, , 514
ESP10, 418, 434, 452, 467, 472, 512, , 516
ESP10, 403, 422, 434, 448, 452, 515, , 519
ESP10, 400, 420, 431, 443, 448, 517, , 521
ESP10, 410, 427, 440, 448, 454, 519, , 523
ESP10, 409, 425, 441, 448, 454, 522, , 526
ESP10, 431, 440, 454, 460, 466, 524, , 528
ESP10, 434, 440, 454, 461, 467, 526, , 530
ESP10, 433, 440, 453, 460, 465, 528, , 532
ESP10, 427, 435, 448, 455, 460, 531, , 535
ESP10, 420, 427, 439, 447, 452, 533, , 537
ESP10, 420, 426, 440, 446, 451, 535, , 539
ESP10, 423, 429, 442, 447, 452, 537, , 541
ESP10, 425, 431, 444, 449, 455, 540, , 544
ESP10, 426, 432, 445, 449, 455, 542, , 546
ESP10, 427, 433, 445, 449, 455, 544, , 548
ESP10, 428, 435, 445, 450, 456, 547, , 551
ESP10, 429, 437, 446, 451, 456, 549, , 553
ESP10, 429, 438, 446, 451, 456, 551, , 555
ESP10, 430, 438, 447, 452, 458, 553, , 557
ESP10, 432, 438, 448, 452, 458, 556, , 560
ESP10, 433, 440, 449, 452, 458, 558, , 562
ESP10, 443, 449, 457, 461, 466, 560, , 564
ESP10, 443, 449, 457, 461, 466, 563, , 567
ESP10, 444, 451, 457, 462, 466, 565, , 569
ESP10, 446, 451, 458, 462, 466, 567, , 571
ESP10, 446, 452, 459, 463, 466, 569, , 573
ESP10, 455, 461, 468, 471, 474, 572, , 576
ESP10, 454, 461, 468, 471, 474, 574, , 578
ESP10, 454, 462, 468, 471, 473, 576, , 580
ESP10, 453, 461, 467, 470, 472, 578, , 582
ESP10, 457, 463, 469, 472, 474, 581, , 585
ESP10, 457, 463, 469, 472, 474, 583, , 587
ESP10, 457, 464, 469, 472, 474, 585, , 589
ESP10, 456, 463, 467, 471, 472, 588, , 592
ESP10, 457, 463, 467, 471, 472, 590, , 594
ESP10, 457, 463, 467, 471, 472, 592, , 596
ESP10, 455, 462, 466, 470, 470, 594, , 598
ESP10, 455, 462, 466, 470, 470, 597, , 601
ESP10, 455, 461, 466, 469, 470, 599, , 603
ESP10, 454, 460, 465, 469, 470, 601, , 605
ESP10, 455, 462, 467, 469, 471, 604, , 608
ESP10, 456, 463, 467, 469, 471, 606, , 610
ESP10, 456, 464, 468, 469, 471, 608, , 612
ESP10, 457, 463, 467, 469, 471, 610, , 614
ESP10, 458, 464, 467, 468, 470, 613, , 617
ESP10, 459, 464, 467, 469, 470, 615, , 619
ESP10, 459, 464, 467, 468, 470, 617, , 621
ESP10, 460, 465, 468, 469, 470, 619, , 623
ESP10, 460, 465, 467, 470, 470, 622, , 626
ESP10, 461, 465, 468, 469, 470, 624, , 628
ESP10, 459, 463, 466, 467, 469, 626, , 630
ESP10, 458, 463, 465, 467, 468, 629, , 633
ESP10, 458, 463, 465, 467, 468, 631, , 635
ESP10, 458, 464, 465, 467, 468, 633, , 637
ESP10, 458, 464, 465, 467, 468, 635, , 639
ESP10, 458, 464, 465, 466, 468, 638, , 642
ESP10, 457, 462, 464, 465, 467, 640, , 644
ESP10, 456, 462, 463, 465, 466, 642, , 646
ESP10, 456, 462, 463, 465, 466, 645, , 649
ESP10, 452, 459, 460, 461, 462, 647, , 651
ESP10, 452, 458, 460, 461, 462, 649, , 653
ESP10, 453, 458, 460, 461, 462, 651, , 655
ESP10, 454, 460, 461, 462, 463, 654, , 658
ESP10, 454, 460, 461, 462, 463, 656, , 660
ESP10, 454, 460, 461, 462, 463, 658, , 662
ESP10, 454, 459, 461, 462, 463, 661, , 665
ESP10, 455, 459, 461, 462, 463, 663, , 667
ESP10, 454, 459, 461, 462, 463, 665, , 669
ESP10, 454, 459, 460, 461, 462, 667, , 671
ESP10, 453, 458, 459, 461, 461, 670, , 674
ESP10, 453, 458, 460, 461, 462, 672, , 676
ESP10, 453, 458, 459, 460, 461, 674, , 678
ESP10, 454, 458, 460, 461, 462, 676, , 680
ESP10, 456, 460, 461, 463, 463, 679, , 683
ESP10, 455, 459, 461, 462, 463, 681, , 685
ESP10, 452, 456, 458, 459, 460, 683, , 687
ESP10, 454, 458, 460, 461, 462, 686, , 690
ESP10, 454, 457, 459, 460, 461, 688, , 692
ESP10, 454, 457, 459, 460, 461, 690, , 694
ESP10, 453, 457, 458, 460, 460, 692, , 696
ESP10, 453, 456, 458, 459, 460, 695, , 699
ESP10, 452, 455, 457, 458, 459, 697, , 701
ESP10, 452, 455, 457, 458, 459, 699, , 703
ESP10, 452, 455, 457, 458, 459, 702, , 706
ESP10, 452, 455, 457, 458, 459, 704, , 708
ESP10, 452, 455, 457, 458, 459, 706, , 710
ESP10, 452, 455, 457, 458, 459, 708, , 712
ESP10, 452, 455, 457, 459, 459, 711, , 715
ESP10, 452, 456, 458, 459, 459, 713, , 717
ESP10, 453, 456, 458, 460, 460, 715, , 719
ESP10, 452, 456, 458, 459, 460, 717, , 721
ESP10, 452, 455, 457, 458, 459, 720, , 724
ESP10, 452, 455, 457, 458, 459, 722, , 726
ESP10, 451, 455, 457, 458, 459, 724, , 728
ESP10, 451, 454, 456, 458, 458, 727, , 731
ESP10, 451, 454, 456, 457, 458, 729, , 733
ESP10, 450, 454, 455, 457, 457, 731, , 735
ESP10, 450, 454, 455, 457, 457, 733, , 737
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/WSLO3N_SQIN.ESPF10.csv
WSLO3N_SQIN.ESPF0.csv|2026-07-20
WSLO3N_SQIN.ESPF10.csv|2026-07-20
WSLO3N_SQIN.ESPFM.csv|2026-07-20
APR-SEP
TUALATIN - AT WEST LINN
(
WSLO3
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-20
Issued:
2026-07-20
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
111
166
82
292
202
APR-JUL
109
162
85
287
190
JAN-SEP
503
803
100
1186
801
JAN-JUL
494
798
101
1175
789
OCT-SEP
680
1025
93
1609
1099
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/WSLO3N_SQIN.ESPF10.csv
WSLO3N_SQIN.ESPF0.csv|2026-07-20
WSLO3N_SQIN.ESPF10.csv|2026-07-20
WSLO3N_SQIN.ESPFM.csv|2026-07-20
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
