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Archive:
Water Year
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YAKIMA - NEAR HORLICK
(
HLKW1
)
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
487
488
51
498
962
APR-JUL
419
419
48
419
876
APR-AUG
444
444
48
444
916
JAN-SEP
1129
1130
81
1140
1398
JAN-JUL
1061
1061
81
1061
1311
OCT-SEP
1900
1901
109
1911
1746
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
487
488
51
497
962
APR-JUL
419
419
48
419
876
APR-AUG
444
444
48
444
916
JAN-SEP
1129
1130
81
1139
1398
JAN-JUL
1061
1061
81
1061
1311
OCT-SEP
1900
1901
109
1911
1746
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
486
487
51
497
962
APR-JUL
419
419
48
419
876
APR-AUG
442
442
48
443
916
JAN-SEP
1128
1129
81
1138
1398
JAN-JUL
1061
1061
81
1061
1311
OCT-SEP
1899
1900
109
1910
1746
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 251, 307, 336, 375, 405, 70, , 74
ESP10, 251, 309, 336, 375, 406, 72, , 76
ESP10, 251, 309, 336, 375, 405, 74, , 78
ESP10, 251, 309, 337, 375, 405, 76, , 80
ESP10, 252, 310, 339, 377, 407, 78, , 82
ESP10, 252, 309, 339, 376, 407, 81, , 85
ESP10, 252, 309, 339, 376, 407, 83, , 87
ESP10, 253, 309, 339, 376, 407, 85, , 89
ESP10, 253, 309, 339, 376, 407, 87, , 91
ESP10, 252, 308, 339, 375, 407, 89, , 93
ESP10, 254, 309, 341, 376, 407, 91, , 95
ESP10, 254, 308, 341, 377, 407, 93, , 97
ESP10, 254, 308, 340, 377, 407, 95, , 99
ESP10, 253, 309, 340, 380, 407, 97, , 101
ESP10, 254, 308, 339, 379, 407, 99, , 103
ESP10, 252, 305, 337, 377, 407, 102, , 106
ESP10, 248, 301, 334, 372, 405, 104, , 108
ESP10, 246, 299, 331, 371, 403, 106, , 110
ESP10, 246, 299, 331, 370, 403, 108, , 112
ESP10, 245, 299, 335, 370, 402, 110, , 114
ESP10, 240, 293, 329, 365, 398, 112, , 116
ESP10, 247, 301, 334, 371, 402, 114, , 118
ESP10, 244, 299, 331, 367, 400, 116, , 120
ESP10, 247, 304, 335, 375, 403, 118, , 122
ESP10, 249, 306, 336, 377, 404, 120, , 124
ESP10, 249, 304, 334, 375, 401, 122, , 126
ESP10, 251, 305, 334, 377, 402, 125, , 129
ESP10, 251, 307, 335, 378, 403, 127, , 131
ESP10, 250, 308, 336, 378, 402, 129, , 133
ESP10, 245, 304, 331, 374, 398, 131, , 135
ESP10, 239, 298, 328, 369, 393, 133, , 137
ESP10, 240, 299, 331, 371, 397, 135, , 139
ESP10, 238, 297, 330, 370, 395, 137, , 141
ESP10, 246, 302, 337, 376, 400, 139, , 143
ESP10, 247, 304, 338, 376, 402, 141, , 145
ESP10, 247, 309, 340, 378, 402, 143, , 147
ESP10, 251, 308, 341, 381, 402, 145, , 149
ESP10, 247, 305, 338, 379, 399, 148, , 152
ESP10, 246, 303, 338, 378, 398, 150, , 154
ESP10, 246, 304, 341, 377, 398, 152, , 156
ESP10, 249, 310, 346, 380, 402, 154, , 158
ESP10, 261, 320, 356, 387, 411, 156, , 160
ESP10, 266, 317, 352, 387, 409, 158, , 162
ESP10, 275, 323, 362, 394, 415, 160, , 164
ESP10, 276, 321, 361, 393, 413, 162, , 166
ESP10, 276, 320, 362, 393, 413, 164, , 168
ESP10, 274, 317, 361, 393, 411, 166, , 170
ESP10, 280, 322, 365, 400, 415, 169, , 173
ESP10, 285, 321, 366, 402, 416, 171, , 175
ESP10, 286, 322, 368, 403, 416, 173, , 177
ESP10, 282, 319, 365, 401, 418, 175, , 179
ESP10, 280, 320, 365, 401, 419, 177, , 181
ESP10, 278, 316, 363, 396, 419, 179, , 183
ESP10, 291, 324, 369, 404, 427, 181, , 185
ESP10, 286, 320, 366, 401, 425, 183, , 187
ESP10, 291, 324, 371, 406, 429, 185, , 189
ESP10, 291, 323, 370, 405, 429, 187, , 191
ESP10, 296, 323, 374, 406, 430, 189, , 193
ESP10, 299, 325, 375, 407, 434, 192, , 196
ESP10, 291, 319, 367, 400, 429, 194, , 198
ESP10, 297, 329, 374, 406, 434, 196, , 200
ESP10, 303, 336, 379, 414, 438, 198, , 202
ESP10, 302, 338, 376, 415, 436, 200, , 204
ESP10, 293, 332, 368, 408, 429, 202, , 206
ESP10, 300, 342, 375, 416, 435, 204, , 208
ESP10, 293, 339, 371, 409, 430, 206, , 210
ESP10, 300, 351, 379, 416, 441, 208, , 212
ESP10, 301, 354, 381, 421, 443, 210, , 214
ESP10, 299, 354, 382, 423, 442, 212, , 216
ESP10, 288, 345, 372, 413, 433, 215, , 219
ESP10, 272, 331, 360, 402, 419, 217, , 221
ESP10, 269, 327, 359, 399, 417, 219, , 223
ESP10, 265, 323, 359, 396, 414, 221, , 225
ESP10, 275, 331, 365, 402, 423, 223, , 227
ESP10, 280, 333, 365, 403, 424, 225, , 229
ESP10, 283, 336, 370, 406, 431, 227, , 231
ESP10, 274, 327, 362, 399, 426, 229, , 233
ESP10, 273, 325, 360, 397, 423, 231, , 235
ESP10, 277, 326, 365, 399, 425, 233, , 237
ESP10, 272, 317, 360, 390, 417, 236, , 240
ESP10, 283, 329, 371, 399, 426, 238, , 242
ESP10, 282, 329, 371, 400, 426, 240, , 244
ESP10, 289, 336, 380, 407, 432, 242, , 246
ESP10, 292, 337, 383, 407, 432, 244, , 248
ESP10, 287, 340, 378, 404, 427, 246, , 250
ESP10, 281, 338, 376, 400, 421, 248, , 252
ESP10, 284, 341, 378, 403, 425, 250, , 254
ESP10, 289, 341, 377, 408, 429, 252, , 256
ESP10, 292, 347, 380, 413, 436, 254, , 258
ESP10, 297, 350, 382, 417, 443, 256, , 260
ESP10, 307, 354, 387, 419, 445, 259, , 263
ESP10, 301, 350, 382, 414, 439, 261, , 265
ESP10, 298, 345, 378, 409, 435, 263, , 267
ESP10, 304, 346, 381, 412, 435, 265, , 269
ESP10, 300, 341, 377, 408, 431, 267, , 271
ESP10, 300, 340, 376, 408, 431, 269, , 273
ESP10, 300, 340, 377, 408, 431, 271, , 275
ESP10, 299, 339, 375, 408, 431, 273, , 277
ESP10, 307, 349, 382, 417, 438, 275, , 279
ESP10, 308, 352, 383, 418, 440, 277, , 281
ESP10, 307, 353, 382, 417, 440, 279, , 283
ESP10, 307, 356, 383, 416, 440, 282, , 286
ESP10, 312, 359, 384, 417, 441, 284, , 288
ESP10, 315, 364, 386, 417, 443, 286, , 290
ESP10, 317, 370, 389, 419, 447, 288, , 292
ESP10, 319, 369, 389, 418, 446, 290, , 294
ESP10, 320, 367, 388, 419, 444, 292, , 296
ESP10, 322, 370, 390, 422, 446, 294, , 298
ESP10, 334, 373, 392, 426, 447, 296, , 300
ESP10, 344, 381, 399, 434, 452, 298, , 302
ESP10, 343, 378, 397, 429, 449, 300, , 304
ESP10, 347, 381, 403, 432, 452, 303, , 307
ESP10, 347, 382, 407, 433, 453, 305, , 309
ESP10, 352, 388, 414, 440, 456, 307, , 311
ESP10, 350, 386, 413, 438, 455, 309, , 313
ESP10, 346, 383, 410, 434, 451, 311, , 315
ESP10, 351, 386, 411, 436, 451, 313, , 317
ESP10, 354, 388, 412, 436, 453, 315, , 319
ESP10, 357, 393, 417, 440, 454, 317, , 321
ESP10, 357, 395, 418, 441, 455, 319, , 323
ESP10, 359, 398, 420, 444, 457, 321, , 325
ESP10, 357, 396, 418, 441, 455, 323, , 327
ESP10, 355, 393, 415, 440, 453, 326, , 330
ESP10, 358, 397, 416, 440, 453, 328, , 332
ESP10, 362, 398, 416, 438, 455, 330, , 334
ESP10, 361, 398, 414, 437, 455, 332, , 336
ESP10, 361, 398, 414, 436, 455, 334, , 338
ESP10, 367, 402, 419, 441, 458, 336, , 340
ESP10, 368, 400, 418, 439, 456, 338, , 342
ESP10, 370, 399, 420, 439, 454, 340, , 344
ESP10, 375, 399, 423, 441, 454, 342, , 346
ESP10, 377, 401, 424, 444, 456, 344, , 348
ESP10, 369, 394, 417, 439, 449, 346, , 350
ESP10, 370, 396, 420, 440, 451, 349, , 353
ESP10, 373, 397, 423, 442, 453, 351, , 355
ESP10, 367, 394, 420, 437, 448, 353, , 357
ESP10, 370, 396, 420, 437, 449, 355, , 359
ESP10, 378, 402, 426, 444, 456, 357, , 361
ESP10, 366, 391, 414, 432, 445, 359, , 363
ESP10, 375, 400, 423, 443, 456, 361, , 365
ESP10, 370, 394, 418, 437, 451, 363, , 367
ESP10, 375, 400, 422, 445, 455, 365, , 369
ESP10, 373, 399, 421, 443, 454, 367, , 371
ESP10, 381, 411, 429, 451, 462, 370, , 374
ESP10, 387, 415, 434, 456, 466, 372, , 376
ESP10, 391, 417, 438, 457, 468, 374, , 378
ESP10, 393, 419, 439, 457, 469, 376, , 380
ESP10, 390, 416, 436, 455, 465, 378, , 382
ESP10, 388, 412, 435, 454, 464, 380, , 384
ESP10, 388, 412, 436, 456, 465, 382, , 386
ESP10, 392, 412, 436, 458, 466, 384, , 388
ESP10, 394, 409, 433, 454, 462, 386, , 390
ESP10, 388, 400, 424, 446, 455, 388, , 392
ESP10, 379, 391, 416, 437, 445, 390, , 394
ESP10, 373, 385, 411, 432, 439, 393, , 397
ESP10, 372, 382, 409, 429, 437, 395, , 399
ESP10, 375, 383, 410, 429, 437, 397, , 401
ESP10, 367, 373, 400, 419, 426, 399, , 403
ESP10, 367, 374, 399, 417, 425, 401, , 405
ESP10, 370, 377, 401, 419, 427, 403, , 407
ESP10, 373, 384, 404, 422, 430, 405, , 409
ESP10, 362, 375, 394, 413, 424, 407, , 411
ESP10, 361, 376, 396, 413, 425, 409, , 413
ESP10, 358, 372, 392, 409, 425, 411, , 415
ESP10, 356, 370, 389, 408, 423, 413, , 417
ESP10, 352, 370, 384, 404, 418, 416, , 420
ESP10, 370, 388, 401, 420, 434, 418, , 422
ESP10, 373, 391, 406, 423, 437, 420, , 424
ESP10, 374, 392, 409, 424, 437, 422, , 426
ESP10, 378, 394, 411, 423, 436, 424, , 428
ESP10, 377, 392, 407, 421, 430, 426, , 430
ESP10, 382, 394, 408, 421, 430, 428, , 432
ESP10, 383, 393, 407, 422, 430, 430, , 434
ESP10, 376, 387, 401, 417, 424, 432, , 436
ESP10, 373, 386, 399, 414, 421, 434, , 438
ESP10, 379, 391, 404, 418, 424, 437, , 441
ESP10, 381, 391, 405, 417, 424, 439, , 443
ESP10, 387, 399, 411, 424, 430, 441, , 445
ESP10, 392, 407, 418, 431, 435, 443, , 447
ESP10, 394, 406, 420, 431, 436, 445, , 449
ESP10, 395, 409, 421, 436, 442, 447, , 451
ESP10, 397, 412, 425, 438, 445, 449, , 453
ESP10, 398, 412, 425, 438, 444, 451, , 455
ESP10, 400, 415, 427, 439, 446, 453, , 457
ESP10, 402, 414, 429, 439, 447, 455, , 459
ESP10, 403, 415, 429, 440, 447, 457, , 461
ESP10, 419, 430, 445, 455, 462, 460, , 464
ESP10, 420, 433, 445, 456, 464, 462, , 466
ESP10, 418, 431, 444, 455, 462, 464, , 468
ESP10, 413, 426, 439, 451, 458, 466, , 470
ESP10, 415, 425, 439, 448, 455, 468, , 472
ESP10, 416, 427, 440, 450, 457, 470, , 474
ESP10, 417, 428, 441, 451, 457, 472, , 476
ESP10, 417, 431, 442, 451, 458, 474, , 478
ESP10, 419, 432, 444, 452, 458, 476, , 480
ESP10, 422, 436, 447, 454, 460, 478, , 482
ESP10, 425, 435, 446, 453, 458, 480, , 484
ESP10, 429, 441, 450, 457, 462, 483, , 487
ESP10, 429, 440, 450, 456, 460, 485, , 489
ESP10, 432, 441, 451, 457, 461, 487, , 491
ESP10, 438, 448, 457, 463, 467, 489, , 493
ESP10, 438, 449, 457, 463, 466, 491, , 495
ESP10, 441, 450, 459, 463, 467, 493, , 497
ESP10, 442, 452, 460, 465, 468, 495, , 499
ESP10, 442, 451, 460, 465, 468, 497, , 501
ESP10, 441, 450, 459, 465, 467, 499, , 503
ESP10, 436, 448, 454, 458, 462, 501, , 505
ESP10, 438, 450, 456, 460, 463, 504, , 508
ESP10, 438, 451, 456, 460, 463, 506, , 510
ESP10, 440, 452, 457, 462, 465, 508, , 512
ESP10, 439, 452, 456, 461, 465, 510, , 514
ESP10, 442, 454, 459, 464, 467, 512, , 516
ESP10, 449, 457, 463, 468, 471, 514, , 518
ESP10, 449, 457, 463, 468, 471, 516, , 520
ESP10, 450, 458, 464, 469, 471, 518, , 522
ESP10, 450, 459, 464, 468, 470, 520, , 524
ESP10, 452, 459, 465, 468, 470, 522, , 526
ESP10, 452, 459, 466, 470, 471, 524, , 528
ESP10, 452, 459, 466, 470, 471, 527, , 531
ESP10, 453, 458, 465, 470, 471, 529, , 533
ESP10, 455, 459, 465, 469, 471, 531, , 535
ESP10, 455, 459, 465, 470, 471, 533, , 537
ESP10, 455, 460, 465, 469, 470, 535, , 539
ESP10, 452, 459, 464, 467, 469, 537, , 541
ESP10, 451, 459, 463, 467, 468, 539, , 543
ESP10, 452, 459, 464, 467, 468, 541, , 545
ESP10, 451, 458, 463, 465, 466, 543, , 547
ESP10, 452, 459, 463, 466, 467, 545, , 549
ESP10, 453, 459, 464, 466, 468, 547, , 551
ESP10, 454, 460, 464, 467, 468, 550, , 554
ESP10, 453, 459, 463, 466, 467, 552, , 556
ESP10, 454, 459, 464, 466, 467, 554, , 558
ESP10, 454, 459, 463, 466, 467, 556, , 560
ESP10, 456, 461, 464, 467, 468, 558, , 562
ESP10, 458, 462, 465, 467, 469, 560, , 564
ESP10, 459, 462, 465, 467, 469, 562, , 566
ESP10, 460, 462, 465, 467, 468, 564, , 568
ESP10, 460, 462, 465, 467, 468, 566, , 570
ESP10, 460, 463, 465, 467, 468, 568, , 572
ESP10, 460, 463, 466, 467, 469, 571, , 575
ESP10, 458, 462, 464, 465, 467, 573, , 577
ESP10, 460, 463, 465, 467, 468, 575, , 579
ESP10, 461, 464, 466, 467, 468, 577, , 581
ESP10, 462, 465, 467, 468, 469, 579, , 583
ESP10, 460, 462, 464, 465, 466, 581, , 585
ESP10, 460, 462, 464, 465, 466, 583, , 587
ESP10, 464, 466, 468, 469, 469, 585, , 589
ESP10, 464, 466, 468, 468, 469, 587, , 591
ESP10, 460, 462, 464, 465, 465, 589, , 593
ESP10, 459, 462, 464, 464, 465, 591, , 595
ESP10, 458, 460, 462, 462, 463, 594, , 598
ESP10, 458, 461, 463, 463, 464, 596, , 600
ESP10, 459, 461, 463, 463, 464, 598, , 602
ESP10, 459, 461, 462, 463, 463, 600, , 604
ESP10, 459, 462, 462, 463, 463, 602, , 606
ESP10, 459, 462, 462, 463, 463, 604, , 608
ESP10, 459, 462, 463, 463, 463, 606, , 610
ESP10, 459, 462, 463, 463, 464, 608, , 612
ESP10, 459, 462, 463, 463, 463, 610, , 614
ESP10, 460, 463, 463, 464, 464, 612, , 616
ESP10, 457, 460, 461, 461, 461, 614, , 618
ESP10, 457, 460, 461, 461, 461, 617, , 621
ESP10, 457, 460, 461, 461, 461, 619, , 623
ESP10, 457, 460, 460, 461, 461, 621, , 625
ESP10, 457, 460, 460, 461, 461, 623, , 627
ESP10, 457, 460, 460, 461, 461, 625, , 629
ESP10, 457, 460, 460, 461, 461, 627, , 631
ESP10, 457, 460, 460, 461, 461, 629, , 633
ESP10, 457, 460, 460, 461, 461, 631, , 635
ESP10, 457, 460, 460, 461, 461, 633, , 637
ESP10, 458, 460, 460, 461, 461, 635, , 639
ESP10, 458, 460, 460, 460, 461, 638, , 642
ESP10, 458, 460, 460, 461, 461, 640, , 644
ESP10, 458, 460, 460, 461, 461, 642, , 646
ESP10, 458, 460, 460, 460, 461, 644, , 648
ESP10, 457, 459, 460, 460, 460, 646, , 650
ESP10, 457, 459, 460, 460, 460, 648, , 652
ESP10, 457, 459, 459, 460, 460, 650, , 654
ESP10, 457, 460, 460, 460, 460, 652, , 656
ESP10, 457, 459, 460, 460, 460, 654, , 658
ESP10, 458, 460, 460, 460, 460, 656, , 660
ESP10, 458, 459, 460, 460, 460, 658, , 662
ESP10, 457, 459, 459, 459, 459, 661, , 665
ESP10, 457, 459, 459, 459, 459, 663, , 667
ESP10, 457, 459, 459, 459, 459, 665, , 669
ESP10, 457, 459, 459, 459, 459, 667, , 671
ESP10, 457, 459, 459, 459, 459, 669, , 673
ESP10, 457, 459, 459, 459, 459, 671, , 675
ESP10, 457, 459, 459, 459, 459, 673, , 677
ESP10, 456, 458, 458, 459, 459, 675, , 679
ESP10, 456, 458, 458, 458, 458, 677, , 681
ESP10, 456, 458, 459, 459, 459, 679, , 683
ESP10, 456, 458, 458, 459, 459, 681, , 685
ESP10, 456, 458, 458, 459, 459, 684, , 688
ESP10, 456, 458, 458, 458, 459, 686, , 690
ESP10, 456, 458, 458, 458, 458, 688, , 692
ESP10, 456, 458, 458, 458, 458, 690, , 694
ESP10, 455, 458, 458, 458, 458, 692, , 696
ESP10, 455, 457, 458, 458, 458, 694, , 698
ESP10, 455, 457, 458, 458, 458, 696, , 700
ESP10, 455, 458, 458, 458, 458, 698, , 702
ESP10, 455, 458, 458, 458, 458, 700, , 704
ESP10, 455, 458, 458, 458, 458, 702, , 706
ESP10, 455, 458, 458, 458, 458, 705, , 709
ESP10, 455, 457, 457, 458, 458, 707, , 711
ESP10, 455, 457, 458, 458, 458, 709, , 713
ESP10, 455, 457, 457, 457, 457, 711, , 715
ESP10, 455, 457, 458, 458, 458, 713, , 717
ESP10, 455, 457, 458, 458, 458, 715, , 719
ESP10, 455, 457, 457, 457, 457, 717, , 721
ESP10, 455, 458, 458, 458, 458, 719, , 723
ESP10, 455, 457, 458, 458, 458, 721, , 725
ESP10, 455, 457, 458, 458, 458, 723, , 727
ESP10, 454, 457, 457, 458, 458, 725, , 729
ESP10, 455, 457, 458, 458, 458, 728, , 732
ESP10, 455, 457, 458, 458, 458, 730, , 734
ESP10, 455, 457, 458, 458, 458, 732, , 736
ESP10, 455, 457, 458, 458, 458, 734, , 738
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/HLKW1W_SQIN.ESPF10.csv
HLKW1W_SQIN.ESPF0.csv|2026-08-15
HLKW1W_SQIN.ESPF10.csv|2026-08-15
HLKW1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
YAKIMA - NEAR HORLICK
(
HLKW1
)
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
676
953
99
1271
962
APR-JUL
602
864
99
1160
876
APR-AUG
628
899
98
1215
916
JAN-SEP
934
1318
94
1733
1398
JAN-JUL
869
1247
95
1595
1311
OCT-SEP
1145
1675
96
2228
1746
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/HLKW1W_SQIN.ESPF10.csv
HLKW1W_SQIN.ESPF0.csv|2026-08-15
HLKW1W_SQIN.ESPF10.csv|2026-08-15
HLKW1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
