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Archive:
Water Year
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UMATILLA - AT PENDLETON
(
PDTO3
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
105
105
66
105
158
APR-JUL
102
102
67
102
152
APR-AUG
104
104
67
104
155
JAN-SEP
236
236
71
237
331
JAN-JUL
234
234
72
234
326
OCT-SEP
294
295
78
295
380
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
105
105
67
105
158
APR-JUL
102
102
67
102
152
APR-AUG
104
104
67
104
155
JAN-SEP
236
236
71
237
331
JAN-JUL
234
234
72
234
326
OCT-SEP
295
295
78
295
380
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
105
105
66
105
158
APR-JUL
102
102
67
102
152
APR-AUG
104
104
67
104
155
JAN-SEP
236
236
71
237
331
JAN-JUL
234
234
72
234
326
OCT-SEP
294
295
78
295
380
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 210, 262, 346, 403, 440, 70, , 74
ESP10, 208, 260, 345, 401, 439, 72, , 76
ESP10, 208, 259, 346, 401, 439, 74, , 78
ESP10, 210, 261, 348, 402, 440, 76, , 80
ESP10, 210, 261, 348, 402, 441, 78, , 82
ESP10, 208, 259, 346, 401, 440, 81, , 85
ESP10, 207, 257, 344, 400, 439, 83, , 87
ESP10, 210, 260, 347, 401, 441, 85, , 89
ESP10, 208, 263, 346, 401, 441, 87, , 91
ESP10, 206, 262, 344, 400, 440, 89, , 93
ESP10, 205, 261, 342, 399, 438, 91, , 95
ESP10, 207, 263, 346, 400, 439, 93, , 97
ESP10, 201, 258, 340, 397, 436, 95, , 99
ESP10, 200, 257, 340, 396, 436, 97, , 101
ESP10, 197, 255, 338, 395, 435, 99, , 103
ESP10, 191, 251, 334, 392, 433, 102, , 106
ESP10, 189, 250, 332, 392, 432, 104, , 108
ESP10, 189, 251, 334, 393, 432, 106, , 110
ESP10, 195, 254, 339, 396, 434, 108, , 112
ESP10, 199, 255, 343, 398, 435, 110, , 114
ESP10, 198, 252, 339, 395, 435, 112, , 116
ESP10, 201, 253, 342, 397, 435, 114, , 118
ESP10, 199, 251, 339, 394, 434, 116, , 120
ESP10, 205, 256, 349, 399, 438, 118, , 122
ESP10, 206, 256, 357, 399, 439, 120, , 124
ESP10, 205, 256, 355, 397, 440, 122, , 126
ESP10, 205, 254, 355, 397, 441, 125, , 129
ESP10, 205, 253, 355, 397, 441, 127, , 131
ESP10, 204, 251, 353, 405, 441, 129, , 133
ESP10, 203, 247, 345, 402, 439, 131, , 135
ESP10, 204, 247, 345, 407, 439, 133, , 137
ESP10, 203, 246, 343, 405, 439, 135, , 139
ESP10, 204, 247, 344, 406, 439, 137, , 141
ESP10, 204, 248, 345, 409, 439, 139, , 143
ESP10, 207, 249, 349, 413, 440, 141, , 145
ESP10, 208, 250, 348, 413, 440, 143, , 147
ESP10, 209, 252, 348, 413, 441, 145, , 149
ESP10, 209, 257, 348, 412, 441, 148, , 152
ESP10, 209, 271, 348, 412, 442, 150, , 154
ESP10, 204, 268, 347, 411, 440, 152, , 156
ESP10, 207, 271, 351, 417, 442, 154, , 158
ESP10, 211, 277, 355, 421, 445, 156, , 160
ESP10, 208, 274, 353, 419, 445, 158, , 162
ESP10, 223, 284, 362, 425, 448, 160, , 164
ESP10, 226, 289, 362, 423, 448, 162, , 166
ESP10, 222, 283, 357, 419, 444, 164, , 168
ESP10, 232, 291, 365, 425, 450, 166, , 170
ESP10, 234, 295, 368, 428, 452, 169, , 173
ESP10, 238, 296, 367, 427, 451, 171, , 175
ESP10, 232, 293, 367, 423, 450, 173, , 177
ESP10, 229, 292, 369, 419, 451, 175, , 179
ESP10, 225, 290, 364, 417, 448, 177, , 181
ESP10, 230, 295, 369, 420, 449, 179, , 183
ESP10, 236, 300, 379, 424, 453, 181, , 185
ESP10, 225, 292, 367, 412, 446, 183, , 187
ESP10, 246, 304, 379, 424, 457, 185, , 189
ESP10, 236, 294, 369, 415, 454, 187, , 191
ESP10, 244, 303, 377, 426, 460, 189, , 193
ESP10, 240, 299, 375, 425, 457, 192, , 196
ESP10, 238, 295, 375, 423, 455, 194, , 198
ESP10, 230, 292, 371, 419, 454, 196, , 200
ESP10, 241, 295, 377, 423, 456, 198, , 202
ESP10, 240, 295, 376, 422, 456, 200, , 204
ESP10, 228, 291, 367, 415, 453, 202, , 206
ESP10, 238, 298, 375, 420, 458, 204, , 208
ESP10, 237, 298, 373, 419, 457, 206, , 210
ESP10, 235, 299, 374, 419, 459, 208, , 212
ESP10, 242, 304, 378, 422, 468, 210, , 214
ESP10, 248, 308, 381, 424, 470, 212, , 216
ESP10, 243, 304, 378, 419, 467, 215, , 219
ESP10, 241, 302, 376, 417, 465, 217, , 221
ESP10, 246, 310, 378, 420, 469, 219, , 223
ESP10, 239, 308, 378, 417, 467, 221, , 225
ESP10, 244, 314, 378, 421, 466, 223, , 227
ESP10, 250, 319, 384, 427, 470, 225, , 229
ESP10, 254, 324, 388, 433, 476, 227, , 231
ESP10, 261, 320, 384, 430, 473, 229, , 233
ESP10, 265, 319, 380, 427, 469, 231, , 235
ESP10, 278, 331, 382, 429, 472, 233, , 237
ESP10, 272, 333, 375, 422, 469, 236, , 240
ESP10, 273, 335, 377, 425, 469, 238, , 242
ESP10, 282, 339, 380, 427, 472, 240, , 244
ESP10, 279, 339, 378, 425, 472, 242, , 246
ESP10, 278, 340, 377, 424, 472, 244, , 248
ESP10, 270, 331, 369, 420, 465, 246, , 250
ESP10, 269, 331, 372, 422, 464, 248, , 252
ESP10, 273, 337, 377, 424, 467, 250, , 254
ESP10, 275, 340, 378, 424, 469, 252, , 256
ESP10, 275, 341, 378, 425, 469, 254, , 258
ESP10, 273, 344, 381, 423, 468, 256, , 260
ESP10, 272, 346, 389, 422, 466, 259, , 263
ESP10, 273, 346, 397, 421, 466, 261, , 265
ESP10, 268, 341, 392, 416, 462, 263, , 267
ESP10, 272, 341, 390, 416, 464, 265, , 269
ESP10, 287, 347, 394, 422, 470, 267, , 271
ESP10, 292, 351, 398, 430, 475, 269, , 273
ESP10, 288, 345, 393, 425, 471, 271, , 275
ESP10, 293, 347, 395, 426, 474, 273, , 277
ESP10, 302, 347, 394, 426, 474, 275, , 279
ESP10, 313, 350, 397, 430, 477, 277, , 281
ESP10, 316, 354, 400, 432, 480, 279, , 283
ESP10, 315, 356, 400, 433, 480, 282, , 286
ESP10, 319, 362, 402, 436, 481, 284, , 288
ESP10, 318, 361, 402, 438, 479, 286, , 290
ESP10, 321, 371, 405, 441, 481, 288, , 292
ESP10, 323, 378, 406, 442, 484, 290, , 294
ESP10, 320, 376, 405, 439, 485, 292, , 296
ESP10, 322, 378, 406, 440, 485, 294, , 298
ESP10, 322, 382, 406, 440, 485, 296, , 300
ESP10, 329, 388, 416, 447, 490, 298, , 302
ESP10, 329, 387, 419, 450, 489, 300, , 304
ESP10, 331, 389, 420, 450, 490, 303, , 307
ESP10, 333, 394, 421, 451, 491, 305, , 309
ESP10, 340, 396, 425, 452, 493, 307, , 311
ESP10, 339, 396, 425, 453, 494, 309, , 313
ESP10, 340, 401, 428, 453, 494, 311, , 315
ESP10, 344, 404, 430, 455, 494, 313, , 317
ESP10, 343, 402, 429, 456, 493, 315, , 319
ESP10, 339, 399, 425, 453, 490, 317, , 321
ESP10, 340, 403, 429, 457, 490, 319, , 323
ESP10, 342, 405, 433, 459, 491, 321, , 325
ESP10, 343, 405, 433, 461, 491, 323, , 327
ESP10, 345, 405, 432, 460, 492, 326, , 330
ESP10, 345, 403, 434, 460, 492, 328, , 332
ESP10, 349, 405, 438, 463, 493, 330, , 334
ESP10, 356, 408, 440, 466, 495, 332, , 336
ESP10, 353, 403, 442, 465, 494, 334, , 338
ESP10, 352, 403, 440, 467, 493, 336, , 340
ESP10, 356, 407, 443, 471, 493, 338, , 342
ESP10, 354, 404, 440, 472, 492, 340, , 344
ESP10, 355, 406, 441, 472, 491, 342, , 346
ESP10, 359, 409, 444, 475, 496, 344, , 348
ESP10, 354, 405, 440, 471, 494, 346, , 350
ESP10, 354, 404, 441, 470, 495, 349, , 353
ESP10, 349, 401, 439, 466, 495, 351, , 355
ESP10, 340, 393, 430, 466, 492, 353, , 357
ESP10, 348, 395, 437, 470, 493, 355, , 359
ESP10, 358, 399, 439, 474, 494, 357, , 361
ESP10, 350, 387, 433, 466, 489, 359, , 363
ESP10, 363, 399, 443, 474, 494, 361, , 365
ESP10, 364, 401, 443, 476, 495, 363, , 367
ESP10, 367, 403, 446, 478, 496, 365, , 369
ESP10, 369, 406, 447, 481, 497, 367, , 371
ESP10, 368, 405, 446, 481, 496, 370, , 374
ESP10, 369, 404, 444, 482, 494, 372, , 376
ESP10, 375, 407, 447, 483, 496, 374, , 378
ESP10, 379, 409, 452, 485, 498, 376, , 380
ESP10, 375, 407, 450, 482, 495, 378, , 382
ESP10, 375, 409, 450, 484, 496, 380, , 384
ESP10, 372, 406, 447, 482, 495, 382, , 386
ESP10, 379, 412, 453, 486, 498, 384, , 388
ESP10, 380, 411, 453, 486, 497, 386, , 390
ESP10, 379, 411, 453, 486, 498, 388, , 392
ESP10, 376, 407, 450, 482, 494, 390, , 394
ESP10, 377, 413, 450, 482, 495, 393, , 397
ESP10, 377, 413, 451, 483, 496, 395, , 399
ESP10, 377, 415, 451, 483, 497, 397, , 401
ESP10, 376, 412, 448, 481, 495, 399, , 403
ESP10, 377, 414, 449, 483, 495, 401, , 405
ESP10, 385, 420, 454, 487, 499, 403, , 407
ESP10, 372, 410, 442, 478, 491, 405, , 409
ESP10, 358, 402, 432, 469, 485, 407, , 411
ESP10, 376, 420, 450, 483, 497, 409, , 413
ESP10, 380, 421, 451, 486, 500, 411, , 415
ESP10, 384, 421, 452, 486, 500, 413, , 417
ESP10, 383, 413, 446, 481, 493, 416, , 420
ESP10, 384, 417, 451, 484, 497, 418, , 422
ESP10, 385, 417, 452, 483, 498, 420, , 424
ESP10, 390, 426, 459, 487, 501, 422, , 426
ESP10, 391, 428, 467, 488, 501, 424, , 428
ESP10, 388, 430, 464, 488, 499, 426, , 430
ESP10, 388, 432, 466, 488, 501, 428, , 432
ESP10, 383, 432, 464, 487, 498, 430, , 434
ESP10, 363, 413, 448, 474, 483, 432, , 436
ESP10, 370, 409, 449, 469, 479, 434, , 438
ESP10, 388, 427, 461, 479, 489, 437, , 441
ESP10, 381, 419, 456, 470, 481, 439, , 443
ESP10, 373, 414, 449, 465, 472, 441, , 445
ESP10, 381, 418, 455, 468, 477, 443, , 447
ESP10, 394, 433, 464, 478, 490, 445, , 449
ESP10, 403, 439, 468, 483, 491, 447, , 451
ESP10, 410, 439, 470, 486, 493, 449, , 453
ESP10, 412, 442, 480, 489, 495, 451, , 455
ESP10, 419, 449, 484, 494, 498, 453, , 457
ESP10, 417, 451, 483, 494, 498, 455, , 459
ESP10, 419, 456, 482, 493, 498, 457, , 461
ESP10, 416, 451, 478, 490, 496, 460, , 464
ESP10, 416, 456, 481, 489, 495, 462, , 466
ESP10, 401, 441, 469, 479, 485, 464, , 468
ESP10, 387, 435, 460, 470, 478, 466, , 470
ESP10, 390, 440, 465, 479, 482, 468, , 472
ESP10, 384, 429, 456, 473, 475, 470, , 474
ESP10, 373, 419, 450, 465, 468, 472, , 476
ESP10, 344, 391, 424, 438, 440, 474, , 478
ESP10, 353, 397, 434, 447, 449, 476, , 480
ESP10, 364, 408, 443, 452, 454, 478, , 482
ESP10, 378, 415, 449, 455, 456, 480, , 484
ESP10, 359, 392, 431, 438, 440, 483, , 487
ESP10, 353, 391, 416, 421, 423, 485, , 489
ESP10, 350, 390, 415, 418, 421, 487, , 491
ESP10, 341, 383, 406, 408, 410, 489, , 493
ESP10, 328, 368, 391, 393, 394, 491, , 495
ESP10, 302, 349, 364, 366, 368, 493, , 497
ESP10, 341, 386, 399, 401, 402, 495, , 499
ESP10, 340, 388, 400, 402, 403, 497, , 501
ESP10, 340, 386, 394, 396, 397, 499, , 503
ESP10, 340, 387, 394, 396, 397, 501, , 505
ESP10, 342, 387, 394, 396, 397, 504, , 508
ESP10, 349, 388, 394, 396, 397, 506, , 510
ESP10, 347, 387, 392, 394, 394, 508, , 512
ESP10, 352, 387, 392, 394, 395, 510, , 514
ESP10, 356, 388, 392, 394, 395, 512, , 516
ESP10, 356, 386, 392, 394, 395, 514, , 518
ESP10, 357, 388, 393, 394, 395, 516, , 520
ESP10, 357, 390, 393, 394, 395, 518, , 522
ESP10, 360, 390, 393, 394, 396, 520, , 524
ESP10, 362, 391, 394, 395, 396, 522, , 526
ESP10, 369, 392, 394, 396, 396, 524, , 528
ESP10, 386, 398, 400, 401, 402, 527, , 531
ESP10, 389, 399, 401, 402, 402, 529, , 533
ESP10, 395, 400, 401, 402, 402, 531, , 535
ESP10, 398, 401, 403, 403, 404, 533, , 537
ESP10, 399, 402, 403, 404, 404, 535, , 539
ESP10, 401, 402, 403, 404, 404, 537, , 541
ESP10, 401, 402, 403, 404, 404, 539, , 543
ESP10, 401, 402, 403, 404, 405, 541, , 545
ESP10, 405, 405, 406, 407, 407, 543, , 547
ESP10, 402, 405, 405, 406, 407, 545, , 549
ESP10, 402, 405, 406, 406, 407, 547, , 551
ESP10, 403, 405, 406, 406, 407, 550, , 554
ESP10, 402, 405, 406, 407, 407, 552, , 556
ESP10, 402, 405, 406, 406, 407, 554, , 558
ESP10, 402, 405, 406, 406, 407, 556, , 560
ESP10, 405, 406, 406, 407, 407, 558, , 562
ESP10, 404, 405, 406, 407, 407, 560, , 564
ESP10, 403, 405, 406, 407, 407, 562, , 566
ESP10, 405, 406, 406, 407, 407, 564, , 568
ESP10, 405, 406, 406, 407, 407, 566, , 570
ESP10, 405, 405, 406, 406, 406, 568, , 572
ESP10, 405, 405, 406, 406, 406, 571, , 575
ESP10, 406, 407, 407, 408, 408, 573, , 577
ESP10, 406, 407, 408, 408, 408, 575, , 579
ESP10, 407, 407, 408, 408, 408, 577, , 581
ESP10, 406, 407, 408, 408, 408, 579, , 583
ESP10, 407, 407, 408, 408, 408, 581, , 585
ESP10, 407, 407, 408, 408, 408, 583, , 587
ESP10, 407, 408, 408, 408, 408, 585, , 589
ESP10, 407, 408, 408, 408, 408, 587, , 591
ESP10, 407, 407, 408, 408, 408, 589, , 593
ESP10, 406, 406, 407, 407, 407, 591, , 595
ESP10, 406, 406, 407, 407, 407, 594, , 598
ESP10, 406, 407, 407, 407, 407, 596, , 600
ESP10, 406, 407, 407, 407, 407, 598, , 602
ESP10, 406, 406, 407, 407, 407, 600, , 604
ESP10, 406, 406, 407, 407, 407, 602, , 606
ESP10, 406, 406, 407, 407, 407, 604, , 608
ESP10, 406, 406, 407, 407, 407, 606, , 610
ESP10, 406, 407, 407, 407, 407, 608, , 612
ESP10, 406, 407, 407, 407, 407, 610, , 614
ESP10, 407, 408, 408, 408, 408, 612, , 616
ESP10, 410, 410, 410, 410, 411, 614, , 618
ESP10, 410, 410, 410, 410, 411, 617, , 621
ESP10, 410, 410, 410, 410, 411, 619, , 623
ESP10, 410, 410, 410, 411, 411, 621, , 625
ESP10, 410, 410, 410, 411, 411, 623, , 627
ESP10, 410, 410, 410, 411, 411, 625, , 629
ESP10, 410, 410, 410, 411, 411, 627, , 631
ESP10, 410, 410, 410, 411, 411, 629, , 633
ESP10, 410, 410, 410, 411, 411, 631, , 635
ESP10, 410, 410, 410, 411, 411, 633, , 637
ESP10, 410, 410, 410, 410, 411, 635, , 639
ESP10, 410, 410, 410, 410, 411, 638, , 642
ESP10, 409, 409, 410, 410, 410, 640, , 644
ESP10, 409, 409, 410, 410, 410, 642, , 646
ESP10, 409, 409, 409, 410, 410, 644, , 648
ESP10, 409, 409, 409, 410, 410, 646, , 650
ESP10, 409, 409, 409, 410, 410, 648, , 652
ESP10, 408, 409, 409, 409, 409, 650, , 654
ESP10, 408, 409, 409, 409, 409, 652, , 656
ESP10, 408, 409, 409, 409, 409, 654, , 658
ESP10, 409, 409, 409, 409, 409, 656, , 660
ESP10, 408, 409, 409, 409, 409, 658, , 662
ESP10, 408, 409, 409, 409, 409, 661, , 665
ESP10, 408, 409, 409, 409, 409, 663, , 667
ESP10, 408, 408, 409, 409, 409, 665, , 669
ESP10, 408, 408, 409, 409, 409, 667, , 671
ESP10, 408, 408, 408, 409, 409, 669, , 673
ESP10, 408, 408, 409, 409, 409, 671, , 675
ESP10, 408, 408, 408, 409, 409, 673, , 677
ESP10, 408, 408, 409, 409, 409, 675, , 679
ESP10, 408, 408, 409, 409, 409, 677, , 681
ESP10, 408, 408, 409, 409, 409, 679, , 683
ESP10, 408, 408, 408, 408, 408, 681, , 685
ESP10, 408, 408, 408, 409, 409, 684, , 688
ESP10, 408, 408, 408, 408, 409, 686, , 690
ESP10, 408, 408, 408, 408, 408, 688, , 692
ESP10, 408, 408, 408, 408, 409, 690, , 694
ESP10, 408, 408, 408, 408, 409, 692, , 696
ESP10, 408, 408, 408, 408, 408, 694, , 698
ESP10, 408, 408, 408, 408, 408, 696, , 700
ESP10, 408, 408, 408, 408, 408, 698, , 702
ESP10, 408, 408, 408, 408, 408, 700, , 704
ESP10, 408, 408, 408, 408, 408, 702, , 706
ESP10, 408, 408, 408, 408, 408, 705, , 709
ESP10, 408, 408, 408, 408, 408, 707, , 711
ESP10, 408, 408, 408, 408, 408, 709, , 713
ESP10, 408, 408, 408, 408, 408, 711, , 715
ESP10, 408, 408, 408, 408, 408, 713, , 717
ESP10, 407, 408, 408, 408, 408, 715, , 719
ESP10, 408, 408, 408, 408, 408, 717, , 721
ESP10, 408, 408, 408, 408, 408, 719, , 723
ESP10, 408, 408, 408, 408, 408, 721, , 725
ESP10, 408, 408, 408, 408, 408, 723, , 727
ESP10, 407, 407, 408, 408, 408, 725, , 729
ESP10, 408, 408, 408, 408, 408, 728, , 732
ESP10, 408, 408, 408, 408, 408, 730, , 734
ESP10, 408, 408, 408, 408, 408, 732, , 736
ESP10, 407, 407, 407, 408, 408, 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/watersupply/PDTO3W_SQIN.ESPF10.csv
PDTO3W_SQIN.ESPF0.csv|2026-08-15
PDTO3W_SQIN.ESPF10.csv|2026-08-15
PDTO3W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
UMATILLA - AT PENDLETON
(
PDTO3
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
72
136
86
245
158
APR-JUL
70
131
86
235
152
APR-AUG
71
134
86
240
155
JAN-SEP
179
296
89
458
331
JAN-JUL
176
291
89
450
326
OCT-SEP
196
343
90
519
380
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/watersupply/PDTO3W_SQIN.ESPF10.csv
PDTO3W_SQIN.ESPF0.csv|2026-08-15
PDTO3W_SQIN.ESPF10.csv|2026-08-15
PDTO3W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
