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Archive:
Water Year
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YAKIMA - AT UMTANUM
(
UMTW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-26
Issued:
2026-07-26
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
654
655
55
665
1200
APR-JUL
554
554
52
554
1067
APR-AUG
599
599
53
601
1136
JAN-SEP
1448
1450
84
1459
1718
JAN-JUL
1349
1349
85
1349
1584
OCT-SEP
2254
2255
106
2265
2121
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-26
Issued:
2026-07-26
Hide Forecast
APR-SEP
654
655
55
665
1200
APR-JUL
554
554
52
554
1067
APR-AUG
599
599
53
601
1136
JAN-SEP
1449
1450
84
1459
1718
JAN-JUL
1349
1349
85
1349
1584
OCT-SEP
2254
2255
106
2264
2121
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-26
Issued:
2026-07-26
Hide Forecast
APR-SEP
655
657
55
666
1200
APR-JUL
554
554
52
555
1067
APR-AUG
599
600
53
601
1136
JAN-SEP
1449
1451
84
1460
1718
JAN-JUL
1349
1349
85
1349
1584
OCT-SEP
2255
2256
106
2266
2121
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 246, 297, 335, 366, 413, 70, , 74
ESP10, 246, 296, 335, 366, 413, 72, , 76
ESP10, 246, 297, 337, 366, 413, 75, , 79
ESP10, 246, 297, 337, 366, 413, 77, , 81
ESP10, 247, 300, 340, 366, 414, 79, , 83
ESP10, 247, 300, 340, 366, 414, 81, , 85
ESP10, 246, 301, 339, 366, 413, 84, , 88
ESP10, 247, 303, 340, 366, 413, 86, , 90
ESP10, 246, 302, 341, 366, 413, 88, , 92
ESP10, 245, 304, 339, 365, 413, 90, , 94
ESP10, 246, 306, 342, 366, 412, 93, , 97
ESP10, 248, 306, 341, 368, 411, 95, , 99
ESP10, 251, 305, 342, 370, 411, 97, , 101
ESP10, 251, 305, 341, 373, 411, 99, , 103
ESP10, 251, 304, 339, 372, 411, 102, , 106
ESP10, 247, 300, 335, 370, 409, 104, , 108
ESP10, 240, 294, 328, 365, 404, 106, , 110
ESP10, 238, 292, 329, 363, 403, 108, , 112
ESP10, 239, 294, 330, 364, 403, 110, , 114
ESP10, 241, 294, 330, 364, 403, 113, , 117
ESP10, 234, 287, 325, 357, 397, 115, , 119
ESP10, 242, 297, 332, 365, 404, 117, , 121
ESP10, 236, 292, 326, 359, 400, 119, , 123
ESP10, 241, 300, 333, 364, 405, 122, , 126
ESP10, 243, 303, 334, 365, 405, 124, , 128
ESP10, 242, 300, 333, 362, 402, 126, , 130
ESP10, 248, 302, 335, 363, 405, 128, , 132
ESP10, 249, 305, 336, 364, 406, 131, , 135
ESP10, 247, 307, 335, 364, 406, 133, , 137
ESP10, 240, 301, 329, 358, 400, 135, , 139
ESP10, 233, 295, 324, 353, 395, 137, , 141
ESP10, 234, 295, 326, 355, 399, 139, , 143
ESP10, 230, 291, 326, 355, 396, 142, , 146
ESP10, 242, 299, 337, 364, 403, 144, , 148
ESP10, 243, 302, 339, 368, 404, 146, , 150
ESP10, 242, 304, 338, 369, 404, 148, , 152
ESP10, 241, 304, 339, 369, 404, 151, , 155
ESP10, 236, 300, 338, 367, 401, 153, , 157
ESP10, 234, 299, 340, 366, 400, 155, , 159
ESP10, 233, 299, 341, 365, 400, 157, , 161
ESP10, 237, 305, 345, 368, 403, 160, , 164
ESP10, 258, 323, 361, 383, 415, 162, , 166
ESP10, 264, 320, 359, 384, 412, 164, , 168
ESP10, 274, 326, 367, 394, 418, 166, , 170
ESP10, 274, 323, 366, 395, 416, 169, , 173
ESP10, 276, 323, 368, 397, 416, 171, , 175
ESP10, 273, 319, 366, 397, 416, 173, , 177
ESP10, 280, 325, 371, 405, 421, 175, , 179
ESP10, 285, 323, 370, 405, 421, 177, , 181
ESP10, 287, 321, 368, 407, 422, 180, , 184
ESP10, 282, 318, 364, 404, 421, 182, , 186
ESP10, 281, 322, 363, 405, 423, 184, , 188
ESP10, 278, 317, 361, 400, 425, 186, , 190
ESP10, 287, 325, 371, 409, 433, 189, , 193
ESP10, 282, 321, 370, 407, 431, 191, , 195
ESP10, 289, 330, 374, 412, 435, 193, , 197
ESP10, 288, 328, 374, 411, 434, 195, , 199
ESP10, 292, 329, 375, 411, 436, 198, , 202
ESP10, 295, 330, 377, 413, 440, 200, , 204
ESP10, 288, 323, 373, 407, 436, 202, , 206
ESP10, 296, 329, 374, 412, 441, 204, , 208
ESP10, 304, 335, 380, 420, 444, 206, , 210
ESP10, 302, 335, 376, 416, 441, 209, , 213
ESP10, 292, 331, 367, 410, 433, 211, , 215
ESP10, 296, 338, 371, 415, 438, 213, , 217
ESP10, 286, 336, 366, 409, 429, 215, , 219
ESP10, 295, 346, 378, 418, 439, 218, , 222
ESP10, 295, 345, 379, 421, 439, 220, , 224
ESP10, 291, 343, 376, 419, 435, 222, , 226
ESP10, 284, 340, 369, 411, 428, 224, , 228
ESP10, 270, 330, 359, 404, 415, 227, , 231
ESP10, 264, 325, 353, 400, 412, 229, , 233
ESP10, 261, 322, 353, 399, 410, 231, , 235
ESP10, 267, 328, 360, 406, 418, 233, , 237
ESP10, 271, 332, 363, 411, 425, 236, , 240
ESP10, 272, 333, 366, 414, 426, 238, , 242
ESP10, 263, 325, 355, 406, 421, 240, , 244
ESP10, 261, 324, 354, 402, 420, 242, , 246
ESP10, 268, 326, 359, 405, 423, 244, , 248
ESP10, 265, 317, 351, 394, 414, 247, , 251
ESP10, 275, 327, 364, 405, 423, 249, , 253
ESP10, 276, 327, 367, 405, 423, 251, , 255
ESP10, 278, 328, 371, 406, 422, 253, , 257
ESP10, 280, 332, 376, 408, 423, 256, , 260
ESP10, 274, 332, 371, 403, 417, 258, , 262
ESP10, 269, 327, 366, 399, 413, 260, , 264
ESP10, 274, 330, 370, 402, 423, 262, , 266
ESP10, 275, 330, 371, 406, 427, 265, , 269
ESP10, 277, 336, 376, 410, 430, 267, , 271
ESP10, 289, 340, 381, 413, 435, 269, , 273
ESP10, 294, 342, 385, 418, 437, 271, , 275
ESP10, 289, 337, 379, 413, 432, 273, , 277
ESP10, 287, 332, 374, 408, 427, 276, , 280
ESP10, 292, 332, 380, 409, 427, 278, , 282
ESP10, 288, 328, 377, 404, 422, 280, , 284
ESP10, 287, 327, 378, 403, 422, 282, , 286
ESP10, 288, 333, 379, 402, 423, 285, , 289
ESP10, 286, 337, 377, 403, 428, 287, , 291
ESP10, 292, 347, 383, 411, 436, 289, , 293
ESP10, 293, 349, 384, 415, 438, 291, , 295
ESP10, 292, 349, 383, 414, 438, 294, , 298
ESP10, 293, 349, 383, 414, 439, 296, , 300
ESP10, 295, 353, 384, 416, 442, 298, , 302
ESP10, 299, 356, 384, 416, 443, 300, , 304
ESP10, 303, 363, 387, 419, 446, 303, , 307
ESP10, 307, 362, 384, 420, 443, 305, , 309
ESP10, 310, 360, 383, 420, 441, 307, , 311
ESP10, 316, 365, 386, 423, 444, 309, , 313
ESP10, 328, 369, 390, 424, 446, 311, , 315
ESP10, 336, 379, 398, 431, 450, 314, , 318
ESP10, 331, 374, 395, 425, 447, 316, , 320
ESP10, 335, 377, 402, 428, 449, 318, , 322
ESP10, 336, 379, 406, 429, 451, 320, , 324
ESP10, 341, 386, 414, 435, 455, 323, , 327
ESP10, 339, 387, 413, 433, 453, 325, , 329
ESP10, 336, 382, 409, 429, 450, 327, , 331
ESP10, 342, 385, 409, 433, 452, 329, , 333
ESP10, 346, 387, 409, 437, 453, 332, , 336
ESP10, 346, 390, 412, 438, 454, 334, , 338
ESP10, 346, 391, 413, 438, 455, 336, , 340
ESP10, 348, 393, 416, 440, 457, 338, , 342
ESP10, 346, 393, 417, 437, 454, 340, , 344
ESP10, 345, 390, 416, 436, 451, 343, , 347
ESP10, 349, 390, 419, 439, 450, 345, , 349
ESP10, 354, 391, 420, 437, 454, 347, , 351
ESP10, 354, 391, 419, 436, 453, 349, , 353
ESP10, 355, 390, 417, 436, 454, 352, , 356
ESP10, 360, 396, 421, 441, 457, 354, , 358
ESP10, 361, 393, 420, 439, 453, 356, , 360
ESP10, 364, 394, 421, 440, 453, 358, , 362
ESP10, 369, 395, 421, 440, 452, 361, , 365
ESP10, 371, 397, 424, 441, 455, 363, , 367
ESP10, 362, 390, 417, 436, 448, 365, , 369
ESP10, 362, 390, 420, 440, 450, 367, , 371
ESP10, 365, 391, 423, 440, 453, 370, , 374
ESP10, 359, 386, 418, 436, 450, 372, , 376
ESP10, 362, 387, 418, 438, 449, 374, , 378
ESP10, 370, 392, 424, 443, 454, 376, , 380
ESP10, 359, 382, 413, 433, 444, 378, , 382
ESP10, 369, 394, 423, 446, 457, 381, , 385
ESP10, 364, 386, 416, 439, 450, 383, , 387
ESP10, 368, 392, 420, 444, 453, 385, , 389
ESP10, 368, 394, 418, 442, 452, 387, , 391
ESP10, 377, 405, 426, 451, 461, 390, , 394
ESP10, 382, 409, 431, 456, 466, 392, , 396
ESP10, 385, 411, 435, 459, 469, 394, , 398
ESP10, 387, 414, 437, 460, 471, 396, , 400
ESP10, 384, 415, 434, 456, 467, 399, , 403
ESP10, 383, 412, 436, 456, 464, 401, , 405
ESP10, 386, 411, 438, 457, 466, 403, , 407
ESP10, 389, 411, 438, 459, 467, 405, , 409
ESP10, 390, 406, 435, 456, 464, 407, , 411
ESP10, 383, 396, 427, 448, 457, 410, , 414
ESP10, 373, 386, 414, 438, 447, 412, , 416
ESP10, 368, 381, 410, 430, 440, 414, , 418
ESP10, 366, 381, 408, 429, 437, 416, , 420
ESP10, 367, 382, 410, 428, 437, 419, , 423
ESP10, 357, 371, 399, 418, 427, 421, , 425
ESP10, 354, 370, 397, 414, 424, 423, , 427
ESP10, 359, 371, 401, 416, 426, 425, , 429
ESP10, 364, 378, 405, 421, 431, 428, , 432
ESP10, 353, 371, 394, 410, 421, 430, , 434
ESP10, 352, 370, 393, 409, 422, 432, , 436
ESP10, 352, 366, 389, 407, 421, 434, , 438
ESP10, 350, 364, 387, 405, 419, 437, , 441
ESP10, 348, 363, 384, 401, 414, 439, , 443
ESP10, 364, 378, 397, 416, 429, 441, , 445
ESP10, 353, 369, 387, 408, 419, 443, , 447
ESP10, 355, 372, 391, 408, 422, 445, , 449
ESP10, 356, 375, 390, 408, 421, 448, , 452
ESP10, 360, 375, 389, 405, 417, 450, , 454
ESP10, 361, 376, 390, 405, 418, 452, , 456
ESP10, 362, 376, 390, 405, 417, 454, , 458
ESP10, 355, 369, 384, 397, 409, 457, , 461
ESP10, 353, 368, 382, 395, 407, 459, , 463
ESP10, 361, 374, 390, 403, 412, 461, , 465
ESP10, 364, 373, 389, 401, 412, 463, , 467
ESP10, 370, 381, 397, 406, 417, 466, , 470
ESP10, 378, 387, 403, 413, 422, 468, , 472
ESP10, 378, 386, 403, 414, 422, 470, , 474
ESP10, 379, 388, 404, 417, 425, 472, , 476
ESP10, 382, 393, 407, 421, 429, 474, , 478
ESP10, 384, 396, 410, 422, 430, 477, , 481
ESP10, 384, 399, 410, 424, 431, 479, , 483
ESP10, 387, 398, 413, 423, 431, 481, , 485
ESP10, 389, 399, 415, 425, 431, 483, , 487
ESP10, 407, 418, 433, 444, 449, 486, , 490
ESP10, 408, 419, 433, 445, 450, 488, , 492
ESP10, 405, 416, 432, 442, 448, 490, , 494
ESP10, 401, 412, 428, 439, 444, 492, , 496
ESP10, 402, 412, 427, 438, 442, 495, , 499
ESP10, 403, 414, 428, 440, 443, 497, , 501
ESP10, 403, 416, 428, 440, 443, 499, , 503
ESP10, 402, 417, 429, 439, 443, 501, , 505
ESP10, 404, 421, 431, 439, 444, 504, , 508
ESP10, 405, 423, 433, 441, 446, 506, , 510
ESP10, 409, 421, 432, 440, 444, 508, , 512
ESP10, 415, 427, 437, 446, 450, 510, , 514
ESP10, 413, 428, 436, 443, 448, 512, , 516
ESP10, 414, 430, 439, 444, 448, 515, , 519
ESP10, 420, 437, 445, 450, 454, 517, , 521
ESP10, 419, 435, 443, 449, 453, 519, , 523
ESP10, 422, 435, 444, 450, 453, 521, , 525
ESP10, 427, 440, 448, 454, 457, 524, , 528
ESP10, 427, 440, 448, 453, 457, 526, , 530
ESP10, 426, 440, 448, 453, 456, 528, , 532
ESP10, 421, 434, 442, 447, 450, 530, , 534
ESP10, 422, 436, 443, 448, 451, 533, , 537
ESP10, 423, 437, 443, 448, 450, 535, , 539
ESP10, 428, 441, 447, 452, 456, 537, , 541
ESP10, 426, 440, 445, 451, 454, 539, , 543
ESP10, 429, 442, 447, 453, 457, 541, , 545
ESP10, 433, 445, 451, 456, 460, 544, , 548
ESP10, 433, 445, 451, 457, 460, 546, , 550
ESP10, 437, 446, 452, 458, 460, 548, , 552
ESP10, 439, 448, 453, 458, 460, 550, , 554
ESP10, 441, 448, 452, 458, 459, 553, , 557
ESP10, 441, 448, 454, 459, 460, 555, , 559
ESP10, 440, 447, 453, 458, 460, 557, , 561
ESP10, 440, 446, 453, 458, 459, 559, , 563
ESP10, 443, 447, 453, 457, 459, 562, , 566
ESP10, 444, 447, 454, 458, 459, 564, , 568
ESP10, 444, 448, 454, 457, 459, 566, , 570
ESP10, 441, 447, 452, 455, 457, 568, , 572
ESP10, 439, 446, 451, 454, 456, 571, , 575
ESP10, 440, 447, 451, 454, 456, 573, , 577
ESP10, 440, 447, 450, 453, 455, 575, , 579
ESP10, 441, 447, 452, 454, 456, 577, , 581
ESP10, 441, 448, 452, 454, 456, 579, , 583
ESP10, 442, 448, 452, 455, 456, 582, , 586
ESP10, 441, 447, 451, 453, 455, 584, , 588
ESP10, 442, 447, 451, 454, 455, 586, , 590
ESP10, 442, 447, 451, 453, 455, 588, , 592
ESP10, 444, 449, 452, 455, 456, 591, , 595
ESP10, 446, 449, 453, 455, 456, 593, , 597
ESP10, 446, 449, 453, 454, 456, 595, , 599
ESP10, 447, 449, 452, 454, 455, 597, , 601
ESP10, 447, 449, 452, 454, 455, 600, , 604
ESP10, 447, 449, 452, 454, 455, 602, , 606
ESP10, 447, 450, 452, 454, 455, 604, , 608
ESP10, 445, 449, 451, 452, 454, 606, , 610
ESP10, 447, 450, 451, 453, 454, 608, , 612
ESP10, 448, 451, 452, 454, 455, 611, , 615
ESP10, 450, 452, 454, 455, 456, 613, , 617
ESP10, 448, 450, 452, 453, 454, 615, , 619
ESP10, 448, 450, 451, 453, 453, 617, , 621
ESP10, 448, 450, 452, 453, 454, 620, , 624
ESP10, 448, 450, 452, 453, 453, 622, , 626
ESP10, 447, 449, 451, 451, 452, 624, , 628
ESP10, 446, 448, 450, 451, 451, 626, , 630
ESP10, 444, 447, 448, 449, 450, 629, , 633
ESP10, 446, 449, 450, 451, 451, 631, , 635
ESP10, 446, 449, 450, 450, 451, 633, , 637
ESP10, 446, 448, 450, 450, 451, 635, , 639
ESP10, 446, 449, 450, 450, 451, 638, , 642
ESP10, 446, 449, 450, 450, 451, 640, , 644
ESP10, 446, 449, 450, 451, 451, 642, , 646
ESP10, 446, 449, 450, 450, 451, 644, , 648
ESP10, 446, 449, 450, 450, 451, 646, , 650
ESP10, 446, 449, 450, 450, 451, 649, , 653
ESP10, 446, 449, 449, 450, 450, 651, , 655
ESP10, 446, 449, 450, 450, 450, 653, , 657
ESP10, 446, 449, 449, 450, 450, 655, , 659
ESP10, 446, 448, 449, 449, 450, 658, , 662
ESP10, 446, 449, 449, 449, 450, 660, , 664
ESP10, 446, 449, 449, 450, 450, 662, , 666
ESP10, 446, 449, 449, 450, 450, 664, , 668
ESP10, 447, 449, 450, 450, 451, 667, , 671
ESP10, 447, 450, 450, 451, 451, 669, , 673
ESP10, 448, 450, 451, 451, 451, 671, , 675
ESP10, 448, 450, 451, 451, 451, 673, , 677
ESP10, 448, 450, 451, 451, 451, 675, , 679
ESP10, 449, 451, 451, 451, 452, 678, , 682
ESP10, 449, 451, 451, 451, 452, 680, , 684
ESP10, 449, 451, 451, 451, 451, 682, , 686
ESP10, 448, 450, 450, 451, 451, 684, , 688
ESP10, 448, 450, 450, 450, 451, 687, , 691
ESP10, 448, 450, 450, 450, 451, 689, , 693
ESP10, 448, 450, 450, 451, 451, 691, , 695
ESP10, 448, 450, 451, 451, 451, 693, , 697
ESP10, 449, 450, 451, 451, 451, 696, , 700
ESP10, 449, 451, 451, 452, 452, 698, , 702
ESP10, 448, 450, 451, 451, 451, 700, , 704
ESP10, 449, 450, 451, 451, 451, 702, , 706
ESP10, 449, 451, 451, 451, 452, 705, , 709
ESP10, 449, 450, 451, 451, 451, 707, , 711
ESP10, 449, 450, 451, 451, 451, 709, , 713
ESP10, 449, 450, 451, 451, 451, 711, , 715
ESP10, 449, 451, 452, 452, 452, 713, , 717
ESP10, 450, 451, 452, 452, 452, 716, , 720
ESP10, 450, 451, 452, 452, 452, 718, , 722
ESP10, 450, 451, 452, 452, 452, 720, , 724
ESP10, 450, 451, 452, 452, 452, 722, , 726
ESP10, 450, 451, 452, 452, 452, 725, , 729
ESP10, 450, 451, 452, 452, 452, 727, , 731
ESP10, 450, 452, 452, 452, 453, 729, , 733
ESP10, 450, 452, 453, 453, 453, 731, , 735
ESP10, 451, 452, 453, 453, 453, 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/natural/UMTW1N_SQIN.ESPF10.csv
UMTW1N_SQIN.ESPF0.csv|2026-07-26
UMTW1N_SQIN.ESPF10.csv|2026-07-26
UMTW1N_SQIN.ESPFM.csv|2026-07-26
APR-SEP
YAKIMA - AT UMTANUM
(
UMTW1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-26
Issued:
2026-07-26
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
811
1149
96
1520
1200
APR-JUL
718
1020
96
1364
1067
APR-AUG
760
1078
95
1454
1136
JAN-SEP
1149
1626
95
2177
1718
JAN-JUL
1059
1491
94
1983
1584
OCT-SEP
1448
2081
98
2711
2121
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/UMTW1N_SQIN.ESPF10.csv
UMTW1N_SQIN.ESPF0.csv|2026-07-26
UMTW1N_SQIN.ESPF10.csv|2026-07-26
UMTW1N_SQIN.ESPFM.csv|2026-07-26
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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