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Water Year
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UMATILLA - AT PENDLETON
(
PDTO3
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-05-03
Issued:
2026-05-03
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
114
116
74
143
158
APR-JUL
111
112
74
137
152
JAN-SEP
246
247
75
274
331
JAN-JUL
242
244
75
268
326
OCT-SEP
304
306
80
332
380
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-05-03
Issued:
2026-05-03
Hide Forecast
APR-SEP
114
116
73
134
158
APR-JUL
111
112
73
129
152
JAN-SEP
246
247
75
265
331
JAN-JUL
242
243
75
260
326
OCT-SEP
304
305
80
323
380
Reference
ESP with 0 Days QPF
Ensemble:
2026-05-03
Issued:
2026-05-03
Hide Forecast
APR-SEP
115
119
75
164
158
APR-JUL
111
115
75
157
152
JAN-SEP
246
250
75
296
331
JAN-JUL
243
246
76
289
326
OCT-SEP
304
308
81
354
380
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 210, 262, 346, 403, 440, 71, , 75
ESP10, 208, 260, 345, 401, 439, 74, , 78
ESP10, 208, 259, 346, 401, 439, 77, , 81
ESP10, 210, 261, 348, 402, 440, 80, , 84
ESP10, 210, 261, 348, 402, 441, 84, , 88
ESP10, 208, 259, 346, 401, 440, 87, , 91
ESP10, 207, 257, 344, 400, 439, 90, , 94
ESP10, 210, 260, 347, 401, 441, 93, , 97
ESP10, 208, 263, 346, 401, 441, 96, , 100
ESP10, 206, 262, 344, 400, 440, 99, , 103
ESP10, 205, 261, 342, 399, 438, 102, , 106
ESP10, 207, 263, 346, 400, 439, 105, , 109
ESP10, 201, 258, 340, 397, 436, 108, , 112
ESP10, 200, 257, 340, 396, 436, 111, , 115
ESP10, 197, 255, 338, 395, 435, 115, , 119
ESP10, 191, 251, 334, 392, 433, 118, , 122
ESP10, 189, 250, 332, 392, 432, 121, , 125
ESP10, 189, 251, 334, 393, 432, 124, , 128
ESP10, 195, 254, 339, 396, 434, 127, , 131
ESP10, 199, 255, 343, 398, 435, 130, , 134
ESP10, 198, 252, 339, 395, 435, 133, , 137
ESP10, 201, 253, 342, 397, 435, 136, , 140
ESP10, 199, 251, 339, 394, 434, 139, , 143
ESP10, 205, 256, 349, 399, 438, 142, , 146
ESP10, 206, 256, 357, 399, 439, 146, , 150
ESP10, 205, 256, 355, 397, 440, 149, , 153
ESP10, 205, 254, 355, 397, 441, 152, , 156
ESP10, 205, 253, 355, 397, 441, 155, , 159
ESP10, 204, 251, 353, 405, 441, 158, , 162
ESP10, 203, 247, 345, 402, 439, 161, , 165
ESP10, 204, 247, 345, 407, 439, 164, , 168
ESP10, 203, 246, 343, 405, 439, 167, , 171
ESP10, 204, 247, 344, 406, 439, 170, , 174
ESP10, 204, 248, 345, 409, 439, 173, , 177
ESP10, 207, 249, 349, 413, 440, 177, , 181
ESP10, 208, 250, 348, 413, 440, 180, , 184
ESP10, 209, 252, 348, 413, 441, 183, , 187
ESP10, 209, 257, 348, 412, 441, 186, , 190
ESP10, 209, 271, 348, 412, 442, 189, , 193
ESP10, 204, 268, 347, 411, 440, 192, , 196
ESP10, 207, 271, 351, 417, 442, 195, , 199
ESP10, 211, 277, 355, 421, 445, 198, , 202
ESP10, 208, 274, 353, 419, 445, 201, , 205
ESP10, 223, 284, 362, 425, 448, 204, , 208
ESP10, 226, 289, 362, 423, 448, 208, , 212
ESP10, 222, 283, 357, 419, 444, 211, , 215
ESP10, 232, 291, 365, 425, 450, 214, , 218
ESP10, 234, 295, 368, 428, 452, 217, , 221
ESP10, 238, 296, 367, 427, 451, 220, , 224
ESP10, 232, 293, 367, 423, 450, 223, , 227
ESP10, 229, 292, 369, 419, 451, 226, , 230
ESP10, 225, 290, 364, 417, 448, 229, , 233
ESP10, 230, 295, 369, 420, 449, 232, , 236
ESP10, 236, 300, 379, 424, 453, 236, , 240
ESP10, 225, 292, 367, 412, 446, 239, , 243
ESP10, 246, 304, 379, 424, 457, 242, , 246
ESP10, 236, 294, 369, 415, 454, 245, , 249
ESP10, 244, 303, 377, 426, 460, 248, , 252
ESP10, 240, 299, 375, 425, 457, 251, , 255
ESP10, 238, 295, 375, 423, 455, 254, , 258
ESP10, 230, 292, 371, 419, 454, 257, , 261
ESP10, 241, 295, 377, 423, 456, 260, , 264
ESP10, 240, 295, 376, 422, 456, 263, , 267
ESP10, 228, 291, 367, 415, 453, 267, , 271
ESP10, 238, 298, 375, 420, 458, 270, , 274
ESP10, 237, 298, 373, 419, 457, 273, , 277
ESP10, 235, 299, 374, 419, 459, 276, , 280
ESP10, 242, 304, 378, 422, 468, 279, , 283
ESP10, 248, 308, 381, 424, 470, 282, , 286
ESP10, 243, 304, 378, 419, 467, 285, , 289
ESP10, 241, 302, 376, 417, 465, 288, , 292
ESP10, 246, 310, 378, 420, 469, 291, , 295
ESP10, 239, 308, 378, 417, 467, 294, , 298
ESP10, 244, 314, 378, 421, 466, 298, , 302
ESP10, 250, 319, 384, 427, 470, 301, , 305
ESP10, 254, 324, 388, 433, 476, 304, , 308
ESP10, 261, 320, 384, 430, 473, 307, , 311
ESP10, 265, 319, 380, 427, 469, 310, , 314
ESP10, 278, 331, 382, 429, 472, 313, , 317
ESP10, 272, 333, 375, 422, 469, 316, , 320
ESP10, 273, 335, 377, 425, 469, 319, , 323
ESP10, 282, 339, 380, 427, 472, 322, , 326
ESP10, 279, 339, 378, 425, 472, 325, , 329
ESP10, 278, 340, 377, 424, 472, 329, , 333
ESP10, 270, 331, 369, 420, 465, 332, , 336
ESP10, 269, 331, 372, 422, 464, 335, , 339
ESP10, 273, 337, 377, 424, 467, 338, , 342
ESP10, 275, 340, 378, 424, 469, 341, , 345
ESP10, 275, 341, 378, 425, 469, 344, , 348
ESP10, 273, 344, 381, 423, 468, 347, , 351
ESP10, 272, 346, 389, 422, 466, 350, , 354
ESP10, 273, 346, 397, 421, 466, 353, , 357
ESP10, 268, 341, 392, 416, 462, 356, , 360
ESP10, 272, 341, 390, 416, 464, 360, , 364
ESP10, 287, 347, 394, 422, 470, 363, , 367
ESP10, 292, 351, 398, 430, 475, 366, , 370
ESP10, 288, 345, 393, 425, 471, 369, , 373
ESP10, 293, 347, 395, 426, 474, 372, , 376
ESP10, 302, 347, 394, 426, 474, 375, , 379
ESP10, 313, 350, 397, 430, 477, 378, , 382
ESP10, 316, 354, 400, 432, 480, 381, , 385
ESP10, 315, 356, 400, 433, 480, 384, , 388
ESP10, 319, 362, 402, 436, 481, 387, , 391
ESP10, 318, 361, 402, 438, 479, 391, , 395
ESP10, 321, 371, 405, 441, 481, 394, , 398
ESP10, 323, 378, 406, 442, 484, 397, , 401
ESP10, 320, 376, 405, 439, 485, 400, , 404
ESP10, 322, 378, 406, 440, 485, 403, , 407
ESP10, 322, 382, 406, 440, 485, 406, , 410
ESP10, 329, 388, 416, 447, 490, 409, , 413
ESP10, 329, 387, 419, 450, 489, 412, , 416
ESP10, 331, 389, 420, 450, 490, 415, , 419
ESP10, 333, 394, 421, 451, 491, 419, , 423
ESP10, 340, 396, 425, 452, 493, 422, , 426
ESP10, 339, 396, 425, 453, 494, 425, , 429
ESP10, 340, 401, 428, 453, 494, 428, , 432
ESP10, 344, 404, 430, 455, 494, 431, , 435
ESP10, 343, 402, 429, 456, 493, 434, , 438
ESP10, 339, 399, 425, 453, 490, 437, , 441
ESP10, 340, 403, 429, 457, 490, 440, , 444
ESP10, 342, 405, 433, 459, 491, 443, , 447
ESP10, 343, 405, 433, 461, 491, 446, , 450
ESP10, 345, 405, 432, 460, 492, 450, , 454
ESP10, 345, 403, 434, 460, 492, 453, , 457
ESP10, 349, 405, 438, 463, 493, 456, , 460
ESP10, 356, 408, 440, 466, 495, 459, , 463
ESP10, 353, 403, 442, 465, 494, 462, , 466
ESP10, 352, 403, 440, 467, 493, 465, , 469
ESP10, 356, 407, 443, 471, 493, 468, , 472
ESP10, 354, 404, 440, 472, 492, 471, , 475
ESP10, 355, 406, 441, 472, 491, 474, , 478
ESP10, 359, 409, 444, 475, 496, 477, , 481
ESP10, 354, 405, 440, 471, 494, 481, , 485
ESP10, 354, 404, 441, 470, 495, 484, , 488
ESP10, 349, 401, 439, 466, 495, 487, , 491
ESP10, 340, 393, 430, 466, 492, 490, , 494
ESP10, 348, 395, 437, 470, 493, 493, , 497
ESP10, 358, 399, 439, 474, 494, 496, , 500
ESP10, 350, 387, 433, 466, 489, 499, , 503
ESP10, 363, 399, 443, 474, 494, 502, , 506
ESP10, 364, 401, 443, 476, 495, 505, , 509
ESP10, 367, 403, 446, 478, 496, 508, , 512
ESP10, 369, 406, 447, 481, 497, 512, , 516
ESP10, 368, 405, 446, 481, 496, 515, , 519
ESP10, 369, 404, 444, 482, 494, 518, , 522
ESP10, 375, 407, 447, 483, 496, 521, , 525
ESP10, 379, 409, 452, 485, 498, 524, , 528
ESP10, 375, 407, 450, 482, 495, 527, , 531
ESP10, 375, 409, 450, 484, 496, 530, , 534
ESP10, 372, 406, 447, 482, 495, 533, , 537
ESP10, 379, 412, 453, 486, 498, 536, , 540
ESP10, 380, 411, 453, 486, 497, 539, , 543
ESP10, 379, 411, 453, 486, 498, 543, , 547
ESP10, 376, 407, 450, 482, 494, 546, , 550
ESP10, 377, 413, 450, 482, 495, 549, , 553
ESP10, 377, 413, 451, 483, 496, 552, , 556
ESP10, 377, 415, 451, 483, 497, 555, , 559
ESP10, 376, 412, 448, 481, 495, 558, , 562
ESP10, 377, 414, 449, 483, 495, 561, , 565
ESP10, 385, 420, 454, 487, 499, 564, , 568
ESP10, 372, 410, 442, 478, 491, 567, , 571
ESP10, 358, 402, 432, 469, 485, 571, , 575
ESP10, 376, 420, 450, 483, 497, 574, , 578
ESP10, 380, 421, 451, 486, 500, 577, , 581
ESP10, 384, 421, 452, 486, 500, 580, , 584
ESP10, 383, 413, 446, 481, 493, 583, , 587
ESP10, 384, 417, 451, 484, 497, 586, , 590
ESP10, 385, 417, 452, 483, 498, 589, , 593
ESP10, 390, 426, 459, 487, 501, 592, , 596
ESP10, 391, 428, 467, 488, 501, 595, , 599
ESP10, 388, 430, 464, 488, 499, 598, , 602
ESP10, 388, 432, 466, 488, 501, 602, , 606
ESP10, 383, 432, 464, 487, 498, 605, , 609
ESP10, 363, 413, 448, 474, 483, 608, , 612
ESP10, 370, 409, 449, 469, 479, 611, , 615
ESP10, 388, 427, 461, 479, 489, 614, , 618
ESP10, 381, 419, 456, 470, 481, 617, , 621
ESP10, 373, 414, 449, 465, 472, 620, , 624
ESP10, 381, 418, 455, 468, 477, 623, , 627
ESP10, 394, 433, 464, 478, 490, 626, , 630
ESP10, 403, 439, 468, 483, 491, 629, , 633
ESP10, 410, 439, 470, 486, 493, 633, , 637
ESP10, 412, 442, 480, 489, 495, 636, , 640
ESP10, 419, 449, 484, 494, 498, 639, , 643
ESP10, 417, 451, 483, 494, 498, 642, , 646
ESP10, 419, 456, 482, 493, 498, 645, , 649
ESP10, 416, 451, 478, 490, 496, 648, , 652
ESP10, 416, 456, 481, 489, 495, 651, , 655
ESP10, 401, 441, 469, 479, 485, 654, , 658
ESP10, 387, 435, 460, 470, 478, 657, , 661
ESP10, 390, 440, 465, 479, 482, 660, , 664
ESP10, 384, 429, 456, 473, 475, 664, , 668
ESP10, 373, 419, 450, 465, 468, 667, , 671
ESP10, 344, 391, 424, 438, 440, 670, , 674
ESP10, 353, 397, 434, 447, 449, 673, , 677
ESP10, 364, 408, 443, 452, 454, 676, , 680
ESP10, 378, 415, 449, 455, 456, 679, , 683
ESP10, 359, 392, 431, 438, 440, 682, , 686
ESP10, 353, 391, 416, 421, 423, 685, , 689
ESP10, 350, 390, 415, 418, 421, 688, , 692
ESP10, 341, 383, 406, 408, 410, 691, , 695
ESP10, 328, 368, 391, 393, 394, 695, , 699
ESP10, 302, 349, 364, 366, 368, 698, , 702
ESP10, 341, 386, 399, 401, 402, 701, , 705
ESP10, 340, 388, 400, 402, 403, 704, , 708
ESP10, 340, 386, 394, 396, 397, 707, , 711
ESP10, 340, 387, 394, 396, 397, 710, , 714
ESP10, 342, 387, 394, 396, 397, 713, , 717
ESP10, 349, 388, 394, 396, 397, 716, , 720
ESP10, 347, 387, 392, 394, 394, 719, , 723
ESP10, 352, 387, 392, 394, 395, 722, , 726
ESP10, 356, 388, 392, 394, 395, 726, , 730
ESP10, 356, 386, 392, 394, 395, 729, , 733
ESP10, 357, 388, 393, 394, 395, 732, , 736
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ESP10
HEFS
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Data Files
/chpsesp/ensemble/watersupply/PDTO3W_SQIN.ESPF10.csv
PDTO3W_SQIN.ESPF0.csv|2026-05-03
PDTO3W_SQIN.ESPF10.csv|2026-05-03
PDTO3W_SQIN.ESPFM.csv|2026-05-03
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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