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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:
2026-07-14
Issued:
2026-07-14
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
104
104
66
104
158
APR-JUL
102
102
67
102
152
JAN-SEP
235
236
71
236
331
JAN-JUL
234
234
72
234
326
OCT-SEP
294
294
77
294
380
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-07-14
Issued:
2026-07-14
Hide Forecast
APR-SEP
104
104
66
105
158
APR-JUL
102
102
67
102
152
JAN-SEP
235
236
71
236
331
JAN-JUL
234
234
72
234
326
OCT-SEP
294
294
77
294
380
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-14
Issued:
2026-07-14
Hide Forecast
APR-SEP
103
103
65
104
158
APR-JUL
101
101
66
101
152
JAN-SEP
235
235
71
235
331
JAN-JUL
233
233
71
233
326
OCT-SEP
293
293
77
293
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, 73, , 77
ESP10, 208, 259, 346, 401, 439, 75, , 79
ESP10, 210, 261, 348, 402, 440, 77, , 81
ESP10, 210, 261, 348, 402, 441, 80, , 84
ESP10, 208, 259, 346, 401, 440, 82, , 86
ESP10, 207, 257, 344, 400, 439, 84, , 88
ESP10, 210, 260, 347, 401, 441, 87, , 91
ESP10, 208, 263, 346, 401, 441, 89, , 93
ESP10, 206, 262, 344, 400, 440, 91, , 95
ESP10, 205, 261, 342, 399, 438, 94, , 98
ESP10, 207, 263, 346, 400, 439, 96, , 100
ESP10, 201, 258, 340, 397, 436, 98, , 102
ESP10, 200, 257, 340, 396, 436, 101, , 105
ESP10, 197, 255, 338, 395, 435, 103, , 107
ESP10, 191, 251, 334, 392, 433, 105, , 109
ESP10, 189, 250, 332, 392, 432, 108, , 112
ESP10, 189, 251, 334, 393, 432, 110, , 114
ESP10, 195, 254, 339, 396, 434, 112, , 116
ESP10, 199, 255, 343, 398, 435, 115, , 119
ESP10, 198, 252, 339, 395, 435, 117, , 121
ESP10, 201, 253, 342, 397, 435, 119, , 123
ESP10, 199, 251, 339, 394, 434, 122, , 126
ESP10, 205, 256, 349, 399, 438, 124, , 128
ESP10, 206, 256, 357, 399, 439, 126, , 130
ESP10, 205, 256, 355, 397, 440, 128, , 132
ESP10, 205, 254, 355, 397, 441, 131, , 135
ESP10, 205, 253, 355, 397, 441, 133, , 137
ESP10, 204, 251, 353, 405, 441, 135, , 139
ESP10, 203, 247, 345, 402, 439, 138, , 142
ESP10, 204, 247, 345, 407, 439, 140, , 144
ESP10, 203, 246, 343, 405, 439, 142, , 146
ESP10, 204, 247, 344, 406, 439, 145, , 149
ESP10, 204, 248, 345, 409, 439, 147, , 151
ESP10, 207, 249, 349, 413, 440, 149, , 153
ESP10, 208, 250, 348, 413, 440, 152, , 156
ESP10, 209, 252, 348, 413, 441, 154, , 158
ESP10, 209, 257, 348, 412, 441, 156, , 160
ESP10, 209, 271, 348, 412, 442, 159, , 163
ESP10, 204, 268, 347, 411, 440, 161, , 165
ESP10, 207, 271, 351, 417, 442, 163, , 167
ESP10, 211, 277, 355, 421, 445, 166, , 170
ESP10, 208, 274, 353, 419, 445, 168, , 172
ESP10, 223, 284, 362, 425, 448, 170, , 174
ESP10, 226, 289, 362, 423, 448, 173, , 177
ESP10, 222, 283, 357, 419, 444, 175, , 179
ESP10, 232, 291, 365, 425, 450, 177, , 181
ESP10, 234, 295, 368, 428, 452, 180, , 184
ESP10, 238, 296, 367, 427, 451, 182, , 186
ESP10, 232, 293, 367, 423, 450, 184, , 188
ESP10, 229, 292, 369, 419, 451, 187, , 191
ESP10, 225, 290, 364, 417, 448, 189, , 193
ESP10, 230, 295, 369, 420, 449, 191, , 195
ESP10, 236, 300, 379, 424, 453, 194, , 198
ESP10, 225, 292, 367, 412, 446, 196, , 200
ESP10, 246, 304, 379, 424, 457, 198, , 202
ESP10, 236, 294, 369, 415, 454, 201, , 205
ESP10, 244, 303, 377, 426, 460, 203, , 207
ESP10, 240, 299, 375, 425, 457, 205, , 209
ESP10, 238, 295, 375, 423, 455, 208, , 212
ESP10, 230, 292, 371, 419, 454, 210, , 214
ESP10, 241, 295, 377, 423, 456, 212, , 216
ESP10, 240, 295, 376, 422, 456, 215, , 219
ESP10, 228, 291, 367, 415, 453, 217, , 221
ESP10, 238, 298, 375, 420, 458, 219, , 223
ESP10, 237, 298, 373, 419, 457, 222, , 226
ESP10, 235, 299, 374, 419, 459, 224, , 228
ESP10, 242, 304, 378, 422, 468, 226, , 230
ESP10, 248, 308, 381, 424, 470, 229, , 233
ESP10, 243, 304, 378, 419, 467, 231, , 235
ESP10, 241, 302, 376, 417, 465, 233, , 237
ESP10, 246, 310, 378, 420, 469, 236, , 240
ESP10, 239, 308, 378, 417, 467, 238, , 242
ESP10, 244, 314, 378, 421, 466, 240, , 244
ESP10, 250, 319, 384, 427, 470, 242, , 246
ESP10, 254, 324, 388, 433, 476, 245, , 249
ESP10, 261, 320, 384, 430, 473, 247, , 251
ESP10, 265, 319, 380, 427, 469, 249, , 253
ESP10, 278, 331, 382, 429, 472, 252, , 256
ESP10, 272, 333, 375, 422, 469, 254, , 258
ESP10, 273, 335, 377, 425, 469, 256, , 260
ESP10, 282, 339, 380, 427, 472, 259, , 263
ESP10, 279, 339, 378, 425, 472, 261, , 265
ESP10, 278, 340, 377, 424, 472, 263, , 267
ESP10, 270, 331, 369, 420, 465, 266, , 270
ESP10, 269, 331, 372, 422, 464, 268, , 272
ESP10, 273, 337, 377, 424, 467, 270, , 274
ESP10, 275, 340, 378, 424, 469, 273, , 277
ESP10, 275, 341, 378, 425, 469, 275, , 279
ESP10, 273, 344, 381, 423, 468, 277, , 281
ESP10, 272, 346, 389, 422, 466, 280, , 284
ESP10, 273, 346, 397, 421, 466, 282, , 286
ESP10, 268, 341, 392, 416, 462, 284, , 288
ESP10, 272, 341, 390, 416, 464, 287, , 291
ESP10, 287, 347, 394, 422, 470, 289, , 293
ESP10, 292, 351, 398, 430, 475, 291, , 295
ESP10, 288, 345, 393, 425, 471, 294, , 298
ESP10, 293, 347, 395, 426, 474, 296, , 300
ESP10, 302, 347, 394, 426, 474, 298, , 302
ESP10, 313, 350, 397, 430, 477, 301, , 305
ESP10, 316, 354, 400, 432, 480, 303, , 307
ESP10, 315, 356, 400, 433, 480, 305, , 309
ESP10, 319, 362, 402, 436, 481, 308, , 312
ESP10, 318, 361, 402, 438, 479, 310, , 314
ESP10, 321, 371, 405, 441, 481, 312, , 316
ESP10, 323, 378, 406, 442, 484, 315, , 319
ESP10, 320, 376, 405, 439, 485, 317, , 321
ESP10, 322, 378, 406, 440, 485, 319, , 323
ESP10, 322, 382, 406, 440, 485, 322, , 326
ESP10, 329, 388, 416, 447, 490, 324, , 328
ESP10, 329, 387, 419, 450, 489, 326, , 330
ESP10, 331, 389, 420, 450, 490, 329, , 333
ESP10, 333, 394, 421, 451, 491, 331, , 335
ESP10, 340, 396, 425, 452, 493, 333, , 337
ESP10, 339, 396, 425, 453, 494, 336, , 340
ESP10, 340, 401, 428, 453, 494, 338, , 342
ESP10, 344, 404, 430, 455, 494, 340, , 344
ESP10, 343, 402, 429, 456, 493, 343, , 347
ESP10, 339, 399, 425, 453, 490, 345, , 349
ESP10, 340, 403, 429, 457, 490, 347, , 351
ESP10, 342, 405, 433, 459, 491, 349, , 353
ESP10, 343, 405, 433, 461, 491, 352, , 356
ESP10, 345, 405, 432, 460, 492, 354, , 358
ESP10, 345, 403, 434, 460, 492, 356, , 360
ESP10, 349, 405, 438, 463, 493, 359, , 363
ESP10, 356, 408, 440, 466, 495, 361, , 365
ESP10, 353, 403, 442, 465, 494, 363, , 367
ESP10, 352, 403, 440, 467, 493, 366, , 370
ESP10, 356, 407, 443, 471, 493, 368, , 372
ESP10, 354, 404, 440, 472, 492, 370, , 374
ESP10, 355, 406, 441, 472, 491, 373, , 377
ESP10, 359, 409, 444, 475, 496, 375, , 379
ESP10, 354, 405, 440, 471, 494, 377, , 381
ESP10, 354, 404, 441, 470, 495, 380, , 384
ESP10, 349, 401, 439, 466, 495, 382, , 386
ESP10, 340, 393, 430, 466, 492, 384, , 388
ESP10, 348, 395, 437, 470, 493, 387, , 391
ESP10, 358, 399, 439, 474, 494, 389, , 393
ESP10, 350, 387, 433, 466, 489, 391, , 395
ESP10, 363, 399, 443, 474, 494, 394, , 398
ESP10, 364, 401, 443, 476, 495, 396, , 400
ESP10, 367, 403, 446, 478, 496, 398, , 402
ESP10, 369, 406, 447, 481, 497, 401, , 405
ESP10, 368, 405, 446, 481, 496, 403, , 407
ESP10, 369, 404, 444, 482, 494, 405, , 409
ESP10, 375, 407, 447, 483, 496, 408, , 412
ESP10, 379, 409, 452, 485, 498, 410, , 414
ESP10, 375, 407, 450, 482, 495, 412, , 416
ESP10, 375, 409, 450, 484, 496, 415, , 419
ESP10, 372, 406, 447, 482, 495, 417, , 421
ESP10, 379, 412, 453, 486, 498, 419, , 423
ESP10, 380, 411, 453, 486, 497, 422, , 426
ESP10, 379, 411, 453, 486, 498, 424, , 428
ESP10, 376, 407, 450, 482, 494, 426, , 430
ESP10, 377, 413, 450, 482, 495, 429, , 433
ESP10, 377, 413, 451, 483, 496, 431, , 435
ESP10, 377, 415, 451, 483, 497, 433, , 437
ESP10, 376, 412, 448, 481, 495, 436, , 440
ESP10, 377, 414, 449, 483, 495, 438, , 442
ESP10, 385, 420, 454, 487, 499, 440, , 444
ESP10, 372, 410, 442, 478, 491, 443, , 447
ESP10, 358, 402, 432, 469, 485, 445, , 449
ESP10, 376, 420, 450, 483, 497, 447, , 451
ESP10, 380, 421, 451, 486, 500, 450, , 454
ESP10, 384, 421, 452, 486, 500, 452, , 456
ESP10, 383, 413, 446, 481, 493, 454, , 458
ESP10, 384, 417, 451, 484, 497, 457, , 461
ESP10, 385, 417, 452, 483, 498, 459, , 463
ESP10, 390, 426, 459, 487, 501, 461, , 465
ESP10, 391, 428, 467, 488, 501, 463, , 467
ESP10, 388, 430, 464, 488, 499, 466, , 470
ESP10, 388, 432, 466, 488, 501, 468, , 472
ESP10, 383, 432, 464, 487, 498, 470, , 474
ESP10, 363, 413, 448, 474, 483, 473, , 477
ESP10, 370, 409, 449, 469, 479, 475, , 479
ESP10, 388, 427, 461, 479, 489, 477, , 481
ESP10, 381, 419, 456, 470, 481, 480, , 484
ESP10, 373, 414, 449, 465, 472, 482, , 486
ESP10, 381, 418, 455, 468, 477, 484, , 488
ESP10, 394, 433, 464, 478, 490, 487, , 491
ESP10, 403, 439, 468, 483, 491, 489, , 493
ESP10, 410, 439, 470, 486, 493, 491, , 495
ESP10, 412, 442, 480, 489, 495, 494, , 498
ESP10, 419, 449, 484, 494, 498, 496, , 500
ESP10, 417, 451, 483, 494, 498, 498, , 502
ESP10, 419, 456, 482, 493, 498, 501, , 505
ESP10, 416, 451, 478, 490, 496, 503, , 507
ESP10, 416, 456, 481, 489, 495, 505, , 509
ESP10, 401, 441, 469, 479, 485, 508, , 512
ESP10, 387, 435, 460, 470, 478, 510, , 514
ESP10, 390, 440, 465, 479, 482, 512, , 516
ESP10, 384, 429, 456, 473, 475, 515, , 519
ESP10, 373, 419, 450, 465, 468, 517, , 521
ESP10, 344, 391, 424, 438, 440, 519, , 523
ESP10, 353, 397, 434, 447, 449, 522, , 526
ESP10, 364, 408, 443, 452, 454, 524, , 528
ESP10, 378, 415, 449, 455, 456, 526, , 530
ESP10, 359, 392, 431, 438, 440, 529, , 533
ESP10, 353, 391, 416, 421, 423, 531, , 535
ESP10, 350, 390, 415, 418, 421, 533, , 537
ESP10, 341, 383, 406, 408, 410, 536, , 540
ESP10, 328, 368, 391, 393, 394, 538, , 542
ESP10, 302, 349, 364, 366, 368, 540, , 544
ESP10, 341, 386, 399, 401, 402, 543, , 547
ESP10, 340, 388, 400, 402, 403, 545, , 549
ESP10, 340, 386, 394, 396, 397, 547, , 551
ESP10, 340, 387, 394, 396, 397, 550, , 554
ESP10, 342, 387, 394, 396, 397, 552, , 556
ESP10, 349, 388, 394, 396, 397, 554, , 558
ESP10, 347, 387, 392, 394, 394, 557, , 561
ESP10, 352, 387, 392, 394, 395, 559, , 563
ESP10, 356, 388, 392, 394, 395, 561, , 565
ESP10, 356, 386, 392, 394, 395, 564, , 568
ESP10, 357, 388, 393, 394, 395, 566, , 570
ESP10, 357, 390, 393, 394, 395, 568, , 572
ESP10, 360, 390, 393, 394, 396, 571, , 575
ESP10, 362, 391, 394, 395, 396, 573, , 577
ESP10, 369, 392, 394, 396, 396, 575, , 579
ESP10, 386, 398, 400, 401, 402, 577, , 581
ESP10, 389, 399, 401, 402, 402, 580, , 584
ESP10, 395, 400, 401, 402, 402, 582, , 586
ESP10, 398, 401, 403, 403, 404, 584, , 588
ESP10, 399, 402, 403, 404, 404, 587, , 591
ESP10, 401, 402, 403, 404, 404, 589, , 593
ESP10, 401, 402, 403, 404, 404, 591, , 595
ESP10, 401, 402, 403, 404, 405, 594, , 598
ESP10, 405, 405, 406, 407, 407, 596, , 600
ESP10, 402, 405, 405, 406, 407, 598, , 602
ESP10, 402, 405, 406, 406, 407, 601, , 605
ESP10, 403, 405, 406, 406, 407, 603, , 607
ESP10, 402, 405, 406, 407, 407, 605, , 609
ESP10, 402, 405, 406, 406, 407, 608, , 612
ESP10, 402, 405, 406, 406, 407, 610, , 614
ESP10, 405, 406, 406, 407, 407, 612, , 616
ESP10, 404, 405, 406, 407, 407, 615, , 619
ESP10, 403, 405, 406, 407, 407, 617, , 621
ESP10, 405, 406, 406, 407, 407, 619, , 623
ESP10, 405, 406, 406, 407, 407, 622, , 626
ESP10, 405, 405, 406, 406, 406, 624, , 628
ESP10, 405, 405, 406, 406, 406, 626, , 630
ESP10, 406, 407, 407, 408, 408, 629, , 633
ESP10, 406, 407, 408, 408, 408, 631, , 635
ESP10, 407, 407, 408, 408, 408, 633, , 637
ESP10, 406, 407, 408, 408, 408, 636, , 640
ESP10, 407, 407, 408, 408, 408, 638, , 642
ESP10, 407, 407, 408, 408, 408, 640, , 644
ESP10, 407, 408, 408, 408, 408, 643, , 647
ESP10, 407, 408, 408, 408, 408, 645, , 649
ESP10, 407, 407, 408, 408, 408, 647, , 651
ESP10, 406, 406, 407, 407, 407, 650, , 654
ESP10, 406, 406, 407, 407, 407, 652, , 656
ESP10, 406, 407, 407, 407, 407, 654, , 658
ESP10, 406, 407, 407, 407, 407, 657, , 661
ESP10, 406, 406, 407, 407, 407, 659, , 663
ESP10, 406, 406, 407, 407, 407, 661, , 665
ESP10, 406, 406, 407, 407, 407, 664, , 668
ESP10, 406, 406, 407, 407, 407, 666, , 670
ESP10, 406, 407, 407, 407, 407, 668, , 672
ESP10, 406, 407, 407, 407, 407, 671, , 675
ESP10, 407, 408, 408, 408, 408, 673, , 677
ESP10, 410, 410, 410, 410, 411, 675, , 679
ESP10, 410, 410, 410, 410, 411, 678, , 682
ESP10, 410, 410, 410, 410, 411, 680, , 684
ESP10, 410, 410, 410, 411, 411, 682, , 686
ESP10, 410, 410, 410, 411, 411, 684, , 688
ESP10, 410, 410, 410, 411, 411, 687, , 691
ESP10, 410, 410, 410, 411, 411, 689, , 693
ESP10, 410, 410, 410, 411, 411, 691, , 695
ESP10, 410, 410, 410, 411, 411, 694, , 698
ESP10, 410, 410, 410, 411, 411, 696, , 700
ESP10, 410, 410, 410, 410, 411, 698, , 702
ESP10, 410, 410, 410, 410, 411, 701, , 705
ESP10, 409, 409, 410, 410, 410, 703, , 707
ESP10, 409, 409, 410, 410, 410, 705, , 709
ESP10, 409, 409, 409, 410, 410, 708, , 712
ESP10, 409, 409, 409, 410, 410, 710, , 714
ESP10, 409, 409, 409, 410, 410, 712, , 716
ESP10, 408, 409, 409, 409, 409, 715, , 719
ESP10, 408, 409, 409, 409, 409, 717, , 721
ESP10, 408, 409, 409, 409, 409, 719, , 723
ESP10, 409, 409, 409, 409, 409, 722, , 726
ESP10, 408, 409, 409, 409, 409, 724, , 728
ESP10, 408, 409, 409, 409, 409, 726, , 730
ESP10, 408, 409, 409, 409, 409, 729, , 733
ESP10, 408, 408, 409, 409, 409, 731, , 735
ESP10, 408, 408, 409, 409, 409, 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/watersupply/PDTO3W_SQIN.ESPF10.csv
PDTO3W_SQIN.ESPF0.csv|2026-07-14
PDTO3W_SQIN.ESPF10.csv|2026-07-14
PDTO3W_SQIN.ESPFM.csv|2026-07-14
APR-SEP
UMATILLA - AT PENDLETON
(
PDTO3
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-07-14
Issued:
2026-07-14
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
72
139
88
246
158
APR-JUL
70
134
88
236
152
JAN-SEP
183
302
91
459
331
JAN-JUL
180
296
91
450
326
OCT-SEP
200
345
91
522
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|2026-07-14
PDTO3W_SQIN.ESPF10.csv|2026-07-14
PDTO3W_SQIN.ESPFM.csv|2026-07-14
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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