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Archive:
Water Year
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MILL CREEK - NR WALLA WALLA
(
MLKW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
20
20
72
21
29
APR-JUL
17
17
69
17
25
APR-AUG
19
19
71
19
27
JAN-SEP
50
50
87
50
58
JAN-JUL
47
47
87
47
54
OCT-SEP
66
66
92
66
71
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
20
20
72
21
29
APR-JUL
17
17
69
17
25
APR-AUG
19
19
71
19
27
JAN-SEP
50
50
87
50
58
JAN-JUL
47
47
87
47
54
OCT-SEP
66
66
92
66
71
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
20
20
72
21
29
APR-JUL
17
17
69
17
25
APR-AUG
19
19
71
19
27
JAN-SEP
50
50
87
51
58
JAN-JUL
47
47
87
47
54
OCT-SEP
66
66
92
66
71
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 180, 280, 337, 398, 448, 70, , 74
ESP10, 179, 280, 336, 397, 447, 72, , 76
ESP10, 178, 279, 335, 397, 447, 74, , 78
ESP10, 179, 280, 336, 397, 447, 76, , 80
ESP10, 179, 280, 336, 397, 447, 78, , 82
ESP10, 179, 280, 335, 396, 447, 81, , 85
ESP10, 179, 279, 335, 396, 447, 83, , 87
ESP10, 182, 280, 336, 397, 447, 85, , 89
ESP10, 184, 280, 335, 396, 447, 87, , 91
ESP10, 183, 279, 335, 396, 447, 89, , 93
ESP10, 182, 278, 334, 395, 446, 91, , 95
ESP10, 184, 279, 335, 396, 447, 93, , 97
ESP10, 184, 279, 336, 396, 448, 95, , 99
ESP10, 184, 279, 336, 396, 448, 97, , 101
ESP10, 182, 278, 335, 395, 447, 99, , 103
ESP10, 179, 277, 334, 392, 445, 101, , 105
ESP10, 176, 276, 333, 391, 445, 103, , 107
ESP10, 177, 276, 333, 393, 445, 106, , 110
ESP10, 179, 277, 335, 396, 446, 108, , 112
ESP10, 180, 278, 335, 399, 447, 110, , 114
ESP10, 177, 277, 333, 396, 446, 112, , 116
ESP10, 178, 278, 334, 398, 446, 114, , 118
ESP10, 175, 276, 333, 395, 445, 116, , 120
ESP10, 180, 279, 337, 399, 447, 118, , 122
ESP10, 182, 280, 341, 401, 449, 120, , 124
ESP10, 181, 279, 341, 400, 449, 122, , 126
ESP10, 180, 279, 342, 401, 451, 124, , 128
ESP10, 179, 279, 344, 401, 452, 126, , 130
ESP10, 178, 279, 344, 401, 452, 129, , 133
ESP10, 172, 277, 342, 395, 449, 131, , 135
ESP10, 171, 278, 342, 395, 449, 133, , 137
ESP10, 175, 279, 343, 395, 450, 135, , 139
ESP10, 176, 279, 343, 395, 450, 137, , 141
ESP10, 177, 280, 343, 396, 450, 139, , 143
ESP10, 178, 282, 343, 396, 451, 141, , 145
ESP10, 179, 282, 344, 396, 451, 143, , 147
ESP10, 181, 282, 344, 397, 452, 145, , 149
ESP10, 181, 282, 344, 396, 452, 147, , 151
ESP10, 194, 283, 345, 397, 452, 149, , 153
ESP10, 194, 284, 344, 398, 452, 151, , 155
ESP10, 195, 286, 345, 401, 453, 154, , 158
ESP10, 197, 288, 349, 403, 455, 156, , 160
ESP10, 196, 288, 350, 402, 454, 158, , 162
ESP10, 198, 294, 351, 405, 458, 160, , 164
ESP10, 197, 293, 354, 407, 461, 162, , 166
ESP10, 198, 293, 355, 406, 461, 164, , 168
ESP10, 202, 294, 356, 407, 464, 166, , 170
ESP10, 204, 298, 357, 409, 465, 168, , 172
ESP10, 212, 298, 358, 410, 466, 170, , 174
ESP10, 215, 297, 358, 411, 466, 172, , 176
ESP10, 224, 294, 358, 410, 465, 174, , 178
ESP10, 225, 292, 357, 407, 465, 177, , 181
ESP10, 233, 294, 358, 408, 466, 179, , 183
ESP10, 235, 296, 360, 410, 469, 181, , 185
ESP10, 234, 296, 359, 409, 469, 183, , 187
ESP10, 236, 299, 360, 411, 471, 185, , 189
ESP10, 242, 297, 359, 408, 470, 187, , 191
ESP10, 246, 299, 361, 412, 471, 189, , 193
ESP10, 249, 302, 362, 413, 472, 191, , 195
ESP10, 248, 301, 364, 412, 471, 193, , 197
ESP10, 244, 301, 363, 411, 470, 195, , 199
ESP10, 248, 303, 364, 412, 470, 197, , 201
ESP10, 247, 307, 367, 410, 469, 199, , 203
ESP10, 242, 305, 366, 407, 468, 202, , 206
ESP10, 245, 310, 368, 410, 469, 204, , 208
ESP10, 240, 307, 365, 407, 468, 206, , 210
ESP10, 244, 311, 369, 408, 471, 208, , 212
ESP10, 251, 313, 369, 408, 477, 210, , 214
ESP10, 252, 313, 369, 411, 478, 212, , 216
ESP10, 256, 317, 372, 415, 480, 214, , 218
ESP10, 256, 316, 373, 415, 481, 216, , 220
ESP10, 255, 314, 373, 415, 481, 218, , 222
ESP10, 254, 313, 374, 416, 481, 220, , 224
ESP10, 254, 312, 375, 416, 482, 222, , 226
ESP10, 256, 313, 377, 417, 483, 225, , 229
ESP10, 255, 312, 378, 419, 483, 227, , 231
ESP10, 266, 313, 380, 421, 484, 229, , 233
ESP10, 268, 321, 383, 422, 485, 231, , 235
ESP10, 276, 321, 384, 427, 485, 233, , 237
ESP10, 277, 321, 384, 427, 485, 235, , 239
ESP10, 277, 321, 384, 427, 485, 237, , 241
ESP10, 278, 323, 386, 429, 487, 239, , 243
ESP10, 278, 322, 383, 429, 486, 241, , 245
ESP10, 279, 326, 384, 431, 488, 243, , 247
ESP10, 275, 323, 382, 428, 486, 245, , 249
ESP10, 290, 324, 383, 429, 487, 248, , 252
ESP10, 277, 313, 374, 412, 481, 250, , 254
ESP10, 280, 316, 376, 414, 482, 252, , 256
ESP10, 283, 325, 381, 420, 483, 254, , 258
ESP10, 293, 338, 388, 428, 487, 256, , 260
ESP10, 294, 340, 389, 434, 487, 258, , 262
ESP10, 286, 333, 382, 425, 484, 260, , 264
ESP10, 285, 332, 381, 426, 484, 262, , 266
ESP10, 287, 333, 383, 427, 486, 264, , 268
ESP10, 287, 336, 385, 429, 487, 266, , 270
ESP10, 286, 335, 384, 427, 486, 268, , 272
ESP10, 279, 328, 380, 420, 483, 270, , 274
ESP10, 277, 326, 376, 415, 481, 273, , 277
ESP10, 279, 324, 374, 411, 480, 275, , 279
ESP10, 283, 327, 376, 413, 481, 277, , 281
ESP10, 286, 331, 378, 414, 482, 279, , 283
ESP10, 284, 330, 379, 414, 481, 281, , 285
ESP10, 285, 332, 381, 417, 482, 283, , 287
ESP10, 283, 332, 382, 417, 482, 285, , 289
ESP10, 284, 335, 384, 418, 482, 287, , 291
ESP10, 283, 334, 383, 417, 481, 289, , 293
ESP10, 279, 334, 381, 413, 479, 291, , 295
ESP10, 280, 337, 381, 414, 479, 293, , 297
ESP10, 281, 341, 382, 415, 479, 296, , 300
ESP10, 288, 348, 388, 421, 482, 298, , 302
ESP10, 298, 359, 393, 430, 486, 300, , 304
ESP10, 299, 362, 396, 431, 489, 302, , 306
ESP10, 300, 363, 397, 435, 489, 304, , 308
ESP10, 309, 365, 399, 440, 492, 306, , 310
ESP10, 308, 365, 399, 441, 493, 308, , 312
ESP10, 308, 365, 399, 441, 493, 310, , 314
ESP10, 310, 366, 403, 443, 493, 312, , 316
ESP10, 307, 367, 400, 443, 492, 314, , 318
ESP10, 309, 367, 406, 444, 493, 316, , 320
ESP10, 315, 369, 409, 446, 495, 318, , 322
ESP10, 322, 370, 411, 446, 495, 321, , 325
ESP10, 320, 369, 410, 446, 494, 323, , 327
ESP10, 322, 372, 411, 446, 495, 325, , 329
ESP10, 324, 372, 411, 448, 496, 327, , 331
ESP10, 324, 373, 412, 449, 497, 329, , 333
ESP10, 325, 376, 413, 450, 496, 331, , 335
ESP10, 325, 377, 415, 450, 496, 333, , 337
ESP10, 325, 376, 415, 455, 496, 335, , 339
ESP10, 326, 380, 421, 457, 500, 337, , 341
ESP10, 321, 369, 415, 448, 492, 339, , 343
ESP10, 315, 359, 402, 439, 487, 341, , 345
ESP10, 314, 359, 401, 441, 487, 344, , 348
ESP10, 311, 357, 397, 439, 485, 346, , 350
ESP10, 310, 355, 394, 437, 485, 348, , 352
ESP10, 312, 355, 395, 437, 485, 350, , 354
ESP10, 309, 350, 389, 431, 484, 352, , 356
ESP10, 310, 351, 387, 433, 484, 354, , 358
ESP10, 315, 357, 393, 438, 487, 356, , 360
ESP10, 307, 351, 384, 429, 484, 358, , 362
ESP10, 324, 365, 397, 442, 493, 360, , 364
ESP10, 333, 367, 401, 445, 494, 362, , 366
ESP10, 345, 375, 411, 453, 500, 364, , 368
ESP10, 344, 374, 411, 453, 499, 366, , 370
ESP10, 341, 371, 417, 451, 498, 369, , 373
ESP10, 342, 367, 409, 445, 492, 371, , 375
ESP10, 341, 367, 407, 444, 489, 373, , 377
ESP10, 352, 375, 419, 452, 497, 375, , 379
ESP10, 340, 368, 412, 443, 490, 377, , 381
ESP10, 343, 372, 413, 446, 492, 379, , 383
ESP10, 346, 374, 419, 446, 492, 381, , 385
ESP10, 343, 367, 415, 442, 489, 383, , 387
ESP10, 340, 365, 410, 439, 487, 385, , 389
ESP10, 338, 366, 415, 438, 485, 387, , 391
ESP10, 321, 354, 403, 426, 474, 389, , 393
ESP10, 330, 359, 407, 430, 477, 392, , 396
ESP10, 331, 361, 407, 430, 478, 394, , 398
ESP10, 337, 367, 412, 439, 481, 396, , 400
ESP10, 335, 365, 408, 438, 478, 398, , 402
ESP10, 346, 375, 416, 446, 485, 400, , 404
ESP10, 342, 375, 411, 441, 483, 402, , 406
ESP10, 304, 345, 381, 413, 450, 404, , 408
ESP10, 281, 322, 363, 401, 431, 406, , 410
ESP10, 306, 345, 382, 419, 451, 408, , 412
ESP10, 332, 368, 403, 443, 473, 410, , 414
ESP10, 338, 379, 410, 449, 478, 412, , 416
ESP10, 342, 377, 408, 448, 477, 414, , 418
ESP10, 339, 375, 404, 447, 474, 417, , 421
ESP10, 342, 377, 406, 450, 475, 419, , 423
ESP10, 351, 384, 415, 458, 481, 421, , 425
ESP10, 357, 384, 416, 462, 481, 423, , 427
ESP10, 353, 382, 413, 459, 479, 425, , 429
ESP10, 355, 383, 419, 458, 478, 427, , 431
ESP10, 355, 379, 426, 459, 474, 429, , 433
ESP10, 334, 355, 403, 439, 454, 431, , 435
ESP10, 336, 358, 406, 439, 458, 433, , 437
ESP10, 351, 377, 419, 451, 469, 435, , 439
ESP10, 343, 369, 417, 443, 461, 437, , 441
ESP10, 346, 373, 417, 442, 461, 440, , 444
ESP10, 344, 378, 413, 440, 462, 442, , 446
ESP10, 357, 398, 428, 457, 473, 444, , 448
ESP10, 364, 405, 438, 469, 478, 446, , 450
ESP10, 366, 409, 445, 473, 480, 448, , 452
ESP10, 373, 414, 450, 478, 483, 450, , 454
ESP10, 382, 425, 457, 485, 491, 452, , 456
ESP10, 378, 420, 453, 483, 489, 454, , 458
ESP10, 387, 424, 453, 483, 490, 456, , 460
ESP10, 382, 422, 449, 482, 489, 458, , 462
ESP10, 385, 424, 455, 485, 490, 460, , 464
ESP10, 369, 412, 437, 468, 474, 462, , 466
ESP10, 359, 407, 438, 462, 469, 465, , 469
ESP10, 362, 408, 435, 461, 466, 467, , 471
ESP10, 360, 403, 432, 458, 462, 469, , 473
ESP10, 348, 391, 422, 447, 450, 471, , 475
ESP10, 342, 383, 413, 439, 443, 473, , 477
ESP10, 350, 390, 419, 441, 444, 475, , 479
ESP10, 366, 402, 434, 453, 456, 477, , 481
ESP10, 369, 412, 438, 455, 459, 479, , 483
ESP10, 375, 411, 439, 453, 457, 481, , 485
ESP10, 365, 401, 425, 438, 443, 483, , 487
ESP10, 369, 405, 429, 439, 444, 485, , 489
ESP10, 359, 394, 420, 430, 436, 488, , 492
ESP10, 357, 392, 419, 428, 433, 490, , 494
ESP10, 343, 382, 404, 413, 421, 492, , 496
ESP10, 386, 425, 443, 450, 453, 494, , 498
ESP10, 380, 419, 439, 447, 450, 496, , 500
ESP10, 380, 421, 439, 447, 450, 498, , 502
ESP10, 382, 428, 441, 447, 450, 500, , 504
ESP10, 383, 428, 440, 447, 449, 502, , 506
ESP10, 390, 430, 443, 449, 450, 504, , 508
ESP10, 401, 438, 449, 452, 454, 506, , 510
ESP10, 406, 442, 450, 453, 455, 508, , 512
ESP10, 408, 444, 451, 453, 455, 510, , 514
ESP10, 410, 444, 452, 454, 455, 513, , 517
ESP10, 410, 445, 453, 454, 456, 515, , 519
ESP10, 414, 446, 454, 455, 457, 517, , 521
ESP10, 422, 448, 455, 457, 458, 519, , 523
ESP10, 425, 450, 457, 458, 460, 521, , 525
ESP10, 427, 452, 457, 459, 460, 523, , 527
ESP10, 429, 451, 457, 459, 460, 525, , 529
ESP10, 435, 455, 461, 462, 463, 527, , 531
ESP10, 442, 457, 461, 463, 464, 529, , 533
ESP10, 444, 457, 461, 463, 464, 531, , 535
ESP10, 442, 458, 461, 463, 464, 533, , 537
ESP10, 445, 458, 460, 462, 463, 536, , 540
ESP10, 432, 454, 459, 461, 462, 538, , 542
ESP10, 433, 455, 459, 461, 462, 540, , 544
ESP10, 437, 455, 458, 460, 461, 542, , 546
ESP10, 441, 455, 458, 460, 461, 544, , 548
ESP10, 444, 456, 458, 460, 461, 546, , 550
ESP10, 444, 455, 458, 459, 460, 548, , 552
ESP10, 439, 453, 456, 458, 459, 550, , 554
ESP10, 446, 452, 456, 458, 459, 552, , 556
ESP10, 445, 452, 456, 458, 459, 554, , 558
ESP10, 450, 454, 457, 458, 459, 556, , 560
ESP10, 449, 454, 456, 458, 458, 558, , 562
ESP10, 445, 452, 456, 457, 458, 561, , 565
ESP10, 450, 455, 456, 457, 458, 563, , 567
ESP10, 453, 455, 457, 458, 458, 565, , 569
ESP10, 452, 454, 456, 457, 457, 567, , 571
ESP10, 453, 455, 456, 457, 457, 569, , 573
ESP10, 453, 455, 456, 456, 457, 571, , 575
ESP10, 453, 455, 456, 457, 458, 573, , 577
ESP10, 452, 455, 456, 456, 457, 575, , 579
ESP10, 452, 454, 455, 456, 457, 577, , 581
ESP10, 453, 455, 455, 456, 457, 579, , 583
ESP10, 453, 455, 455, 456, 456, 581, , 585
ESP10, 452, 453, 454, 455, 455, 584, , 588
ESP10, 450, 452, 452, 453, 453, 586, , 590
ESP10, 450, 451, 452, 453, 453, 588, , 592
ESP10, 450, 451, 452, 453, 453, 590, , 594
ESP10, 449, 451, 451, 452, 452, 592, , 596
ESP10, 449, 451, 452, 452, 452, 594, , 598
ESP10, 449, 451, 452, 452, 452, 596, , 600
ESP10, 449, 451, 452, 452, 452, 598, , 602
ESP10, 449, 451, 452, 452, 452, 600, , 604
ESP10, 449, 451, 451, 452, 452, 602, , 606
ESP10, 448, 450, 451, 451, 451, 604, , 608
ESP10, 448, 450, 451, 451, 451, 607, , 611
ESP10, 448, 450, 450, 451, 451, 609, , 613
ESP10, 448, 449, 450, 450, 451, 611, , 615
ESP10, 447, 449, 450, 450, 451, 613, , 617
ESP10, 447, 449, 450, 450, 451, 615, , 619
ESP10, 448, 449, 450, 450, 451, 617, , 621
ESP10, 447, 449, 450, 450, 450, 619, , 623
ESP10, 448, 449, 449, 450, 450, 621, , 625
ESP10, 447, 448, 449, 450, 450, 623, , 627
ESP10, 447, 449, 449, 450, 450, 625, , 629
ESP10, 447, 448, 448, 449, 449, 627, , 631
ESP10, 446, 447, 448, 449, 449, 629, , 633
ESP10, 446, 447, 448, 448, 449, 632, , 636
ESP10, 447, 448, 448, 449, 449, 634, , 638
ESP10, 447, 448, 449, 449, 449, 636, , 640
ESP10, 447, 448, 448, 449, 449, 638, , 642
ESP10, 446, 448, 448, 449, 449, 640, , 644
ESP10, 446, 447, 448, 449, 449, 642, , 646
ESP10, 446, 448, 448, 449, 449, 644, , 648
ESP10, 446, 447, 448, 449, 449, 646, , 650
ESP10, 445, 446, 447, 448, 448, 648, , 652
ESP10, 445, 446, 447, 447, 447, 650, , 654
ESP10, 445, 446, 447, 447, 448, 652, , 656
ESP10, 446, 447, 448, 448, 449, 655, , 659
ESP10, 446, 447, 448, 448, 449, 657, , 661
ESP10, 446, 447, 448, 448, 449, 659, , 663
ESP10, 446, 447, 448, 448, 449, 661, , 665
ESP10, 446, 447, 448, 448, 449, 663, , 667
ESP10, 446, 447, 448, 448, 449, 665, , 669
ESP10, 446, 447, 448, 448, 448, 667, , 671
ESP10, 446, 447, 448, 448, 448, 669, , 673
ESP10, 446, 447, 448, 448, 448, 671, , 675
ESP10, 445, 446, 447, 447, 448, 673, , 677
ESP10, 444, 446, 446, 447, 447, 675, , 679
ESP10, 445, 446, 447, 447, 448, 677, , 681
ESP10, 443, 444, 444, 445, 445, 680, , 684
ESP10, 442, 443, 444, 444, 445, 682, , 686
ESP10, 442, 443, 444, 444, 444, 684, , 688
ESP10, 442, 443, 443, 444, 444, 686, , 690
ESP10, 443, 445, 445, 445, 446, 688, , 692
ESP10, 443, 444, 445, 445, 446, 690, , 694
ESP10, 443, 444, 445, 445, 446, 692, , 696
ESP10, 444, 445, 445, 446, 446, 694, , 698
ESP10, 444, 445, 445, 446, 446, 696, , 700
ESP10, 442, 443, 444, 444, 444, 698, , 702
ESP10, 443, 444, 445, 445, 445, 700, , 704
ESP10, 443, 444, 445, 445, 445, 703, , 707
ESP10, 443, 444, 445, 445, 445, 705, , 709
ESP10, 442, 444, 444, 444, 445, 707, , 711
ESP10, 443, 444, 445, 445, 445, 709, , 713
ESP10, 443, 444, 444, 445, 445, 711, , 715
ESP10, 443, 444, 444, 445, 445, 713, , 717
ESP10, 443, 444, 444, 445, 445, 715, , 719
ESP10, 443, 444, 444, 445, 445, 717, , 721
ESP10, 442, 443, 444, 444, 445, 719, , 723
ESP10, 442, 443, 444, 444, 445, 721, , 725
ESP10, 442, 443, 444, 444, 445, 723, , 727
ESP10, 442, 443, 444, 444, 444, 725, , 729
ESP10, 443, 443, 444, 444, 444, 728, , 732
ESP10, 442, 443, 444, 444, 444, 730, , 734
ESP10, 442, 443, 444, 444, 444, 732, , 736
ESP10, 443, 444, 445, 445, 445, 734, , 738
Max Scale
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/MLKW1N_SQIN.ESPF10.csv
MLKW1N_SQIN.ESPF0.csv|2026-08-16
MLKW1N_SQIN.ESPF10.csv|2026-08-16
MLKW1N_SQIN.ESPFM.csv|2026-08-16
APR-SEP
MILL CREEK - NR WALLA WALLA
(
MLKW1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
20
35
121
56
29
APR-JUL
17
31
125
52
25
APR-AUG
19
33
123
54
27
JAN-SEP
48
66
114
104
58
JAN-JUL
46
62
115
100
54
OCT-SEP
61
89
124
124
71
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/MLKW1N_SQIN.ESPF10.csv
MLKW1N_SQIN.ESPF0.csv|2026-08-16
MLKW1N_SQIN.ESPF10.csv|2026-08-16
MLKW1N_SQIN.ESPFM.csv|2026-08-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
