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Archive:
Water Year
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COWLITZ - MAYFIELD RESERVOIR
(
MYDW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-05-08
Issued:
2026-05-08
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1039
1111
58
1386
1913
APR-JUL
895
956
57
1151
1682
JAN-SEP
2652
2725
80
2999
3419
JAN-JUL
2508
2569
81
2764
3188
OCT-SEP
4597
4669
102
4944
4585
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-05-08
Issued:
2026-05-08
Hide Forecast
APR-SEP
1038
1164
61
1427
1913
APR-JUL
894
1010
60
1177
1682
JAN-SEP
2652
2778
81
3040
3419
JAN-JUL
2508
2624
82
2791
3188
OCT-SEP
4596
4722
103
4985
4585
Reference
ESP with 0 Days QPF
Ensemble:
2026-05-08
Issued:
2026-05-08
Hide Forecast
APR-SEP
1051
1208
63
1498
1913
APR-JUL
910
1059
63
1209
1682
JAN-SEP
2665
2821
83
3111
3419
JAN-JUL
2523
2673
84
2823
3188
OCT-SEP
4609
4766
104
5056
4585
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 244, 293, 340, 400, 432, 71, , 75
ESP10, 244, 293, 340, 399, 432, 74, , 78
ESP10, 244, 293, 340, 399, 432, 77, , 81
ESP10, 244, 293, 340, 399, 432, 80, , 84
ESP10, 244, 293, 340, 400, 432, 83, , 87
ESP10, 244, 293, 340, 400, 432, 86, , 90
ESP10, 244, 292, 340, 400, 431, 89, , 93
ESP10, 244, 293, 340, 400, 432, 92, , 96
ESP10, 244, 293, 340, 400, 431, 95, , 99
ESP10, 244, 293, 340, 400, 431, 98, , 102
ESP10, 244, 293, 340, 400, 431, 101, , 105
ESP10, 244, 293, 340, 400, 432, 104, , 108
ESP10, 244, 292, 340, 400, 432, 107, , 111
ESP10, 244, 292, 340, 400, 433, 110, , 114
ESP10, 244, 292, 340, 400, 433, 113, , 117
ESP10, 243, 292, 340, 399, 432, 117, , 121
ESP10, 241, 291, 338, 396, 430, 120, , 124
ESP10, 240, 291, 338, 395, 430, 123, , 127
ESP10, 240, 291, 338, 396, 431, 126, , 130
ESP10, 241, 291, 342, 398, 432, 129, , 133
ESP10, 238, 290, 337, 394, 429, 132, , 136
ESP10, 242, 292, 347, 399, 433, 135, , 139
ESP10, 241, 291, 347, 398, 432, 138, , 142
ESP10, 242, 293, 349, 399, 433, 141, , 145
ESP10, 243, 293, 349, 400, 433, 144, , 148
ESP10, 243, 293, 349, 399, 433, 147, , 151
ESP10, 243, 294, 349, 399, 433, 150, , 154
ESP10, 243, 296, 351, 399, 433, 153, , 157
ESP10, 244, 296, 351, 399, 433, 156, , 160
ESP10, 242, 294, 351, 398, 432, 159, , 163
ESP10, 239, 291, 348, 396, 430, 162, , 166
ESP10, 242, 294, 350, 398, 432, 165, , 169
ESP10, 243, 293, 350, 397, 431, 168, , 172
ESP10, 246, 296, 351, 399, 432, 171, , 175
ESP10, 246, 295, 351, 399, 431, 174, , 178
ESP10, 247, 297, 352, 399, 433, 177, , 181
ESP10, 247, 299, 352, 399, 434, 180, , 184
ESP10, 245, 295, 349, 397, 429, 183, , 187
ESP10, 243, 295, 347, 397, 429, 186, , 190
ESP10, 245, 294, 346, 396, 430, 189, , 193
ESP10, 249, 298, 349, 398, 433, 192, , 196
ESP10, 253, 299, 350, 398, 433, 195, , 199
ESP10, 251, 296, 347, 396, 430, 198, , 202
ESP10, 259, 304, 353, 404, 437, 201, , 205
ESP10, 261, 303, 354, 404, 436, 204, , 208
ESP10, 262, 303, 353, 402, 435, 207, , 211
ESP10, 264, 304, 353, 404, 436, 210, , 214
ESP10, 266, 306, 355, 406, 437, 214, , 218
ESP10, 265, 308, 354, 405, 435, 217, , 221
ESP10, 267, 309, 355, 405, 435, 220, , 224
ESP10, 269, 311, 355, 405, 435, 223, , 227
ESP10, 271, 315, 356, 408, 435, 226, , 230
ESP10, 270, 317, 358, 407, 433, 229, , 233
ESP10, 274, 321, 361, 411, 436, 232, , 236
ESP10, 273, 320, 361, 409, 434, 235, , 239
ESP10, 276, 324, 364, 410, 437, 238, , 242
ESP10, 276, 323, 364, 410, 436, 241, , 245
ESP10, 278, 323, 363, 410, 434, 244, , 248
ESP10, 279, 324, 364, 411, 433, 247, , 251
ESP10, 273, 320, 360, 405, 426, 250, , 254
ESP10, 282, 327, 365, 410, 434, 253, , 257
ESP10, 286, 332, 368, 414, 439, 256, , 260
ESP10, 285, 330, 368, 412, 440, 259, , 263
ESP10, 277, 325, 366, 405, 434, 262, , 266
ESP10, 285, 335, 372, 412, 442, 265, , 269
ESP10, 282, 333, 370, 410, 440, 268, , 272
ESP10, 289, 337, 373, 416, 446, 271, , 275
ESP10, 293, 338, 375, 417, 452, 274, , 278
ESP10, 294, 338, 377, 417, 454, 277, , 281
ESP10, 291, 333, 371, 412, 448, 280, , 284
ESP10, 279, 322, 360, 399, 436, 283, , 287
ESP10, 276, 320, 358, 396, 436, 286, , 290
ESP10, 274, 319, 357, 395, 437, 289, , 293
ESP10, 280, 324, 361, 400, 444, 292, , 296
ESP10, 280, 324, 361, 401, 445, 295, , 299
ESP10, 281, 325, 361, 402, 445, 298, , 302
ESP10, 276, 319, 355, 398, 441, 301, , 305
ESP10, 275, 321, 355, 398, 441, 304, , 308
ESP10, 274, 321, 355, 398, 441, 308, , 312
ESP10, 272, 321, 355, 396, 440, 311, , 315
ESP10, 281, 332, 364, 406, 449, 314, , 318
ESP10, 280, 332, 364, 404, 447, 317, , 321
ESP10, 287, 339, 373, 412, 453, 320, , 324
ESP10, 287, 338, 375, 412, 454, 323, , 327
ESP10, 285, 334, 376, 409, 451, 326, , 330
ESP10, 279, 328, 373, 406, 448, 329, , 333
ESP10, 281, 330, 378, 408, 451, 332, , 336
ESP10, 284, 333, 382, 410, 453, 335, , 339
ESP10, 286, 333, 383, 413, 453, 338, , 342
ESP10, 290, 336, 385, 414, 453, 341, , 345
ESP10, 294, 338, 389, 418, 455, 344, , 348
ESP10, 290, 335, 384, 414, 451, 347, , 351
ESP10, 287, 331, 381, 410, 448, 350, , 354
ESP10, 286, 328, 378, 408, 445, 353, , 357
ESP10, 285, 331, 376, 409, 444, 356, , 360
ESP10, 282, 329, 373, 407, 444, 359, , 363
ESP10, 281, 328, 371, 407, 445, 362, , 366
ESP10, 282, 328, 372, 410, 447, 365, , 369
ESP10, 283, 331, 374, 413, 449, 368, , 372
ESP10, 284, 331, 377, 416, 450, 371, , 375
ESP10, 285, 332, 378, 417, 452, 374, , 378
ESP10, 284, 331, 377, 416, 452, 377, , 381
ESP10, 284, 334, 380, 417, 453, 380, , 384
ESP10, 283, 335, 385, 415, 456, 383, , 387
ESP10, 286, 342, 387, 417, 460, 386, , 390
ESP10, 284, 340, 387, 416, 459, 389, , 393
ESP10, 281, 337, 384, 414, 456, 392, , 396
ESP10, 285, 340, 387, 420, 459, 395, , 399
ESP10, 287, 341, 388, 421, 462, 398, , 402
ESP10, 298, 348, 392, 428, 466, 401, , 405
ESP10, 299, 347, 391, 424, 463, 405, , 409
ESP10, 303, 349, 395, 425, 465, 408, , 412
ESP10, 304, 351, 399, 431, 465, 411, , 415
ESP10, 305, 353, 403, 435, 467, 414, , 418
ESP10, 304, 351, 402, 433, 465, 417, , 421
ESP10, 305, 354, 403, 434, 465, 420, , 424
ESP10, 307, 358, 408, 436, 466, 423, , 427
ESP10, 306, 358, 408, 435, 465, 426, , 430
ESP10, 308, 359, 411, 436, 466, 429, , 433
ESP10, 309, 359, 414, 437, 466, 432, , 436
ESP10, 313, 365, 418, 442, 470, 435, , 439
ESP10, 316, 369, 422, 444, 472, 438, , 442
ESP10, 316, 367, 420, 441, 470, 441, , 445
ESP10, 315, 365, 418, 439, 469, 444, , 448
ESP10, 317, 367, 421, 441, 472, 447, , 451
ESP10, 314, 364, 420, 439, 469, 450, , 454
ESP10, 311, 363, 421, 438, 469, 453, , 457
ESP10, 315, 367, 425, 443, 474, 456, , 460
ESP10, 311, 363, 421, 442, 471, 459, , 463
ESP10, 310, 362, 420, 443, 470, 462, , 466
ESP10, 308, 361, 419, 442, 470, 465, , 469
ESP10, 311, 364, 421, 443, 474, 468, , 472
ESP10, 302, 356, 414, 434, 468, 471, , 475
ESP10, 303, 357, 417, 436, 470, 474, , 478
ESP10, 302, 354, 414, 435, 468, 477, , 481
ESP10, 297, 348, 406, 431, 463, 480, , 484
ESP10, 302, 351, 410, 435, 466, 483, , 487
ESP10, 308, 355, 419, 439, 471, 486, , 490
ESP10, 295, 342, 407, 426, 458, 489, , 493
ESP10, 301, 347, 411, 431, 462, 492, , 496
ESP10, 302, 345, 408, 430, 462, 495, , 499
ESP10, 308, 349, 412, 437, 469, 498, , 502
ESP10, 309, 352, 412, 441, 469, 502, , 506
ESP10, 315, 361, 419, 449, 474, 505, , 509
ESP10, 320, 367, 423, 454, 478, 508, , 512
ESP10, 324, 370, 424, 454, 478, 511, , 515
ESP10, 326, 368, 424, 452, 476, 514, , 518
ESP10, 324, 365, 422, 450, 475, 517, , 521
ESP10, 325, 363, 420, 448, 473, 520, , 524
ESP10, 329, 361, 421, 447, 475, 523, , 527
ESP10, 332, 362, 423, 449, 477, 526, , 530
ESP10, 328, 360, 420, 446, 474, 529, , 533
ESP10, 327, 357, 420, 444, 471, 532, , 536
ESP10, 317, 345, 412, 432, 459, 535, , 539
ESP10, 312, 341, 407, 428, 454, 538, , 542
ESP10, 311, 337, 402, 424, 452, 541, , 545
ESP10, 310, 338, 399, 424, 450, 544, , 548
ESP10, 306, 335, 394, 421, 447, 547, , 551
ESP10, 303, 333, 390, 422, 444, 550, , 554
ESP10, 308, 336, 396, 425, 447, 553, , 557
ESP10, 306, 333, 393, 421, 445, 556, , 560
ESP10, 300, 330, 386, 415, 438, 559, , 563
ESP10, 309, 340, 396, 427, 450, 562, , 566
ESP10, 307, 340, 397, 426, 452, 565, , 569
ESP10, 306, 341, 400, 427, 454, 568, , 572
ESP10, 300, 336, 395, 422, 450, 571, , 575
ESP10, 297, 334, 393, 420, 446, 574, , 578
ESP10, 302, 341, 397, 423, 449, 577, , 581
ESP10, 306, 348, 399, 426, 452, 580, , 584
ESP10, 315, 354, 400, 429, 452, 583, , 587
ESP10, 319, 355, 403, 429, 452, 586, , 590
ESP10, 325, 358, 404, 431, 455, 589, , 593
ESP10, 328, 358, 407, 430, 457, 592, , 596
ESP10, 326, 349, 401, 422, 449, 596, , 600
ESP10, 325, 351, 398, 420, 449, 599, , 603
ESP10, 332, 359, 404, 426, 455, 602, , 606
ESP10, 327, 357, 399, 421, 447, 605, , 609
ESP10, 335, 364, 406, 431, 453, 608, , 612
ESP10, 336, 362, 405, 434, 452, 611, , 615
ESP10, 340, 362, 406, 434, 454, 614, , 618
ESP10, 346, 369, 413, 439, 459, 617, , 621
ESP10, 349, 377, 416, 447, 462, 620, , 624
ESP10, 350, 379, 414, 447, 462, 623, , 627
ESP10, 359, 385, 422, 454, 468, 626, , 630
ESP10, 361, 384, 425, 456, 470, 629, , 633
ESP10, 362, 389, 426, 459, 473, 632, , 636
ESP10, 367, 395, 431, 463, 479, 635, , 639
ESP10, 371, 397, 434, 465, 483, 638, , 642
ESP10, 364, 390, 426, 458, 477, 641, , 645
ESP10, 358, 385, 419, 453, 472, 644, , 648
ESP10, 361, 384, 417, 451, 469, 647, , 651
ESP10, 357, 381, 412, 448, 465, 650, , 654
ESP10, 359, 380, 410, 446, 462, 653, , 657
ESP10, 364, 387, 413, 450, 465, 656, , 660
ESP10, 369, 390, 417, 449, 463, 659, , 663
ESP10, 376, 398, 425, 454, 468, 662, , 666
ESP10, 380, 407, 428, 457, 470, 665, , 669
ESP10, 380, 408, 433, 458, 472, 668, , 672
ESP10, 382, 411, 432, 457, 470, 671, , 675
ESP10, 382, 413, 432, 459, 469, 674, , 678
ESP10, 386, 415, 433, 460, 470, 677, , 681
ESP10, 386, 413, 431, 458, 468, 680, , 684
ESP10, 387, 415, 433, 459, 469, 683, , 687
ESP10, 388, 418, 436, 462, 471, 686, , 690
ESP10, 390, 423, 440, 462, 472, 689, , 693
ESP10, 390, 423, 440, 462, 471, 693, , 697
ESP10, 387, 423, 438, 459, 469, 696, , 700
ESP10, 390, 426, 440, 460, 470, 699, , 703
ESP10, 394, 429, 443, 461, 470, 702, , 706
ESP10, 396, 430, 445, 460, 470, 705, , 709
ESP10, 397, 431, 447, 460, 470, 708, , 712
ESP10, 399, 433, 449, 462, 472, 711, , 715
ESP10, 399, 434, 450, 466, 472, 714, , 718
ESP10, 403, 434, 450, 467, 472, 717, , 721
ESP10, 405, 435, 451, 468, 473, 720, , 724
ESP10, 411, 440, 459, 471, 475, 723, , 727
ESP10, 416, 440, 461, 471, 474, 726, , 730
ESP10, 416, 440, 462, 472, 475, 729, , 733
ESP10, 417, 440, 463, 472, 475, 732, , 736
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/MYDW1N_SQIN.ESPF10.csv
MYDW1N_SQIN.ESPF0.csv|2026-05-08
MYDW1N_SQIN.ESPF10.csv|2026-05-08
MYDW1N_SQIN.ESPFM.csv|2026-05-08
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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