Choose Date:
Archive:
Water Year
Loading...
COWLITZ - MAYFIELD RESERVOIR
(
MYDW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-06-23
Issued:
2026-06-23
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1055
1073
56
1108
1913
APR-JUL
915
920
55
931
1682
JAN-SEP
2668
2686
79
2722
3419
JAN-JUL
2528
2534
79
2544
3188
OCT-SEP
4613
4631
101
4666
4585
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-06-23
Issued:
2026-06-23
Hide Forecast
APR-SEP
1058
1081
56
1150
1913
APR-JUL
916
924
55
955
1682
JAN-SEP
2672
2694
79
2764
3419
JAN-JUL
2530
2538
80
2569
3188
OCT-SEP
4616
4639
101
4708
4585
Reference
ESP with 0 Days QPF
Ensemble:
2026-06-23
Issued:
2026-06-23
Hide Forecast
APR-SEP
1057
1070
56
1129
1913
APR-JUL
914
922
55
941
1682
JAN-SEP
2670
2684
78
2742
3419
JAN-JUL
2528
2535
80
2555
3188
OCT-SEP
4615
4628
101
4687
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, 73, , 77
ESP10, 244, 293, 340, 399, 432, 76, , 80
ESP10, 244, 293, 340, 399, 432, 78, , 82
ESP10, 244, 293, 340, 400, 432, 81, , 85
ESP10, 244, 293, 340, 400, 432, 83, , 87
ESP10, 244, 292, 340, 400, 431, 86, , 90
ESP10, 244, 293, 340, 400, 432, 88, , 92
ESP10, 244, 293, 340, 400, 431, 91, , 95
ESP10, 244, 293, 340, 400, 431, 93, , 97
ESP10, 244, 293, 340, 400, 431, 96, , 100
ESP10, 244, 293, 340, 400, 432, 98, , 102
ESP10, 244, 292, 340, 400, 432, 101, , 105
ESP10, 244, 292, 340, 400, 433, 103, , 107
ESP10, 244, 292, 340, 400, 433, 106, , 110
ESP10, 243, 292, 340, 399, 432, 108, , 112
ESP10, 241, 291, 338, 396, 430, 111, , 115
ESP10, 240, 291, 338, 395, 430, 113, , 117
ESP10, 240, 291, 338, 396, 431, 116, , 120
ESP10, 241, 291, 342, 398, 432, 118, , 122
ESP10, 238, 290, 337, 394, 429, 121, , 125
ESP10, 242, 292, 347, 399, 433, 123, , 127
ESP10, 241, 291, 347, 398, 432, 126, , 130
ESP10, 242, 293, 349, 399, 433, 128, , 132
ESP10, 243, 293, 349, 400, 433, 131, , 135
ESP10, 243, 293, 349, 399, 433, 133, , 137
ESP10, 243, 294, 349, 399, 433, 136, , 140
ESP10, 243, 296, 351, 399, 433, 138, , 142
ESP10, 244, 296, 351, 399, 433, 141, , 145
ESP10, 242, 294, 351, 398, 432, 143, , 147
ESP10, 239, 291, 348, 396, 430, 146, , 150
ESP10, 242, 294, 350, 398, 432, 148, , 152
ESP10, 243, 293, 350, 397, 431, 151, , 155
ESP10, 246, 296, 351, 399, 432, 153, , 157
ESP10, 246, 295, 351, 399, 431, 156, , 160
ESP10, 247, 297, 352, 399, 433, 158, , 162
ESP10, 247, 299, 352, 399, 434, 161, , 165
ESP10, 245, 295, 349, 397, 429, 163, , 167
ESP10, 243, 295, 347, 397, 429, 166, , 170
ESP10, 245, 294, 346, 396, 430, 168, , 172
ESP10, 249, 298, 349, 398, 433, 171, , 175
ESP10, 253, 299, 350, 398, 433, 173, , 177
ESP10, 251, 296, 347, 396, 430, 176, , 180
ESP10, 259, 304, 353, 404, 437, 178, , 182
ESP10, 261, 303, 354, 404, 436, 181, , 185
ESP10, 262, 303, 353, 402, 435, 183, , 187
ESP10, 264, 304, 353, 404, 436, 186, , 190
ESP10, 266, 306, 355, 406, 437, 188, , 192
ESP10, 265, 308, 354, 405, 435, 191, , 195
ESP10, 267, 309, 355, 405, 435, 193, , 197
ESP10, 269, 311, 355, 405, 435, 196, , 200
ESP10, 271, 315, 356, 408, 435, 198, , 202
ESP10, 270, 317, 358, 407, 433, 201, , 205
ESP10, 274, 321, 361, 411, 436, 204, , 208
ESP10, 273, 320, 361, 409, 434, 206, , 210
ESP10, 276, 324, 364, 410, 437, 209, , 213
ESP10, 276, 323, 364, 410, 436, 211, , 215
ESP10, 278, 323, 363, 410, 434, 214, , 218
ESP10, 279, 324, 364, 411, 433, 216, , 220
ESP10, 273, 320, 360, 405, 426, 219, , 223
ESP10, 282, 327, 365, 410, 434, 221, , 225
ESP10, 286, 332, 368, 414, 439, 224, , 228
ESP10, 285, 330, 368, 412, 440, 226, , 230
ESP10, 277, 325, 366, 405, 434, 229, , 233
ESP10, 285, 335, 372, 412, 442, 231, , 235
ESP10, 282, 333, 370, 410, 440, 234, , 238
ESP10, 289, 337, 373, 416, 446, 236, , 240
ESP10, 293, 338, 375, 417, 452, 239, , 243
ESP10, 294, 338, 377, 417, 454, 241, , 245
ESP10, 291, 333, 371, 412, 448, 244, , 248
ESP10, 279, 322, 360, 399, 436, 246, , 250
ESP10, 276, 320, 358, 396, 436, 249, , 253
ESP10, 274, 319, 357, 395, 437, 251, , 255
ESP10, 280, 324, 361, 400, 444, 254, , 258
ESP10, 280, 324, 361, 401, 445, 256, , 260
ESP10, 281, 325, 361, 402, 445, 259, , 263
ESP10, 276, 319, 355, 398, 441, 261, , 265
ESP10, 275, 321, 355, 398, 441, 264, , 268
ESP10, 274, 321, 355, 398, 441, 266, , 270
ESP10, 272, 321, 355, 396, 440, 269, , 273
ESP10, 281, 332, 364, 406, 449, 271, , 275
ESP10, 280, 332, 364, 404, 447, 274, , 278
ESP10, 287, 339, 373, 412, 453, 276, , 280
ESP10, 287, 338, 375, 412, 454, 279, , 283
ESP10, 285, 334, 376, 409, 451, 281, , 285
ESP10, 279, 328, 373, 406, 448, 284, , 288
ESP10, 281, 330, 378, 408, 451, 286, , 290
ESP10, 284, 333, 382, 410, 453, 289, , 293
ESP10, 286, 333, 383, 413, 453, 291, , 295
ESP10, 290, 336, 385, 414, 453, 294, , 298
ESP10, 294, 338, 389, 418, 455, 296, , 300
ESP10, 290, 335, 384, 414, 451, 299, , 303
ESP10, 287, 331, 381, 410, 448, 301, , 305
ESP10, 286, 328, 378, 408, 445, 304, , 308
ESP10, 285, 331, 376, 409, 444, 306, , 310
ESP10, 282, 329, 373, 407, 444, 309, , 313
ESP10, 281, 328, 371, 407, 445, 311, , 315
ESP10, 282, 328, 372, 410, 447, 314, , 318
ESP10, 283, 331, 374, 413, 449, 316, , 320
ESP10, 284, 331, 377, 416, 450, 319, , 323
ESP10, 285, 332, 378, 417, 452, 321, , 325
ESP10, 284, 331, 377, 416, 452, 324, , 328
ESP10, 284, 334, 380, 417, 453, 326, , 330
ESP10, 283, 335, 385, 415, 456, 329, , 333
ESP10, 286, 342, 387, 417, 460, 331, , 335
ESP10, 284, 340, 387, 416, 459, 334, , 338
ESP10, 281, 337, 384, 414, 456, 337, , 341
ESP10, 285, 340, 387, 420, 459, 339, , 343
ESP10, 287, 341, 388, 421, 462, 342, , 346
ESP10, 298, 348, 392, 428, 466, 344, , 348
ESP10, 299, 347, 391, 424, 463, 347, , 351
ESP10, 303, 349, 395, 425, 465, 349, , 353
ESP10, 304, 351, 399, 431, 465, 352, , 356
ESP10, 305, 353, 403, 435, 467, 354, , 358
ESP10, 304, 351, 402, 433, 465, 357, , 361
ESP10, 305, 354, 403, 434, 465, 359, , 363
ESP10, 307, 358, 408, 436, 466, 362, , 366
ESP10, 306, 358, 408, 435, 465, 364, , 368
ESP10, 308, 359, 411, 436, 466, 367, , 371
ESP10, 309, 359, 414, 437, 466, 369, , 373
ESP10, 313, 365, 418, 442, 470, 372, , 376
ESP10, 316, 369, 422, 444, 472, 374, , 378
ESP10, 316, 367, 420, 441, 470, 377, , 381
ESP10, 315, 365, 418, 439, 469, 379, , 383
ESP10, 317, 367, 421, 441, 472, 382, , 386
ESP10, 314, 364, 420, 439, 469, 384, , 388
ESP10, 311, 363, 421, 438, 469, 387, , 391
ESP10, 315, 367, 425, 443, 474, 389, , 393
ESP10, 311, 363, 421, 442, 471, 392, , 396
ESP10, 310, 362, 420, 443, 470, 394, , 398
ESP10, 308, 361, 419, 442, 470, 397, , 401
ESP10, 311, 364, 421, 443, 474, 399, , 403
ESP10, 302, 356, 414, 434, 468, 402, , 406
ESP10, 303, 357, 417, 436, 470, 404, , 408
ESP10, 302, 354, 414, 435, 468, 407, , 411
ESP10, 297, 348, 406, 431, 463, 409, , 413
ESP10, 302, 351, 410, 435, 466, 412, , 416
ESP10, 308, 355, 419, 439, 471, 414, , 418
ESP10, 295, 342, 407, 426, 458, 417, , 421
ESP10, 301, 347, 411, 431, 462, 419, , 423
ESP10, 302, 345, 408, 430, 462, 422, , 426
ESP10, 308, 349, 412, 437, 469, 424, , 428
ESP10, 309, 352, 412, 441, 469, 427, , 431
ESP10, 315, 361, 419, 449, 474, 429, , 433
ESP10, 320, 367, 423, 454, 478, 432, , 436
ESP10, 324, 370, 424, 454, 478, 434, , 438
ESP10, 326, 368, 424, 452, 476, 437, , 441
ESP10, 324, 365, 422, 450, 475, 439, , 443
ESP10, 325, 363, 420, 448, 473, 442, , 446
ESP10, 329, 361, 421, 447, 475, 444, , 448
ESP10, 332, 362, 423, 449, 477, 447, , 451
ESP10, 328, 360, 420, 446, 474, 449, , 453
ESP10, 327, 357, 420, 444, 471, 452, , 456
ESP10, 317, 345, 412, 432, 459, 454, , 458
ESP10, 312, 341, 407, 428, 454, 457, , 461
ESP10, 311, 337, 402, 424, 452, 459, , 463
ESP10, 310, 338, 399, 424, 450, 462, , 466
ESP10, 306, 335, 394, 421, 447, 464, , 468
ESP10, 303, 333, 390, 422, 444, 467, , 471
ESP10, 308, 336, 396, 425, 447, 469, , 473
ESP10, 306, 333, 393, 421, 445, 472, , 476
ESP10, 300, 330, 386, 415, 438, 475, , 479
ESP10, 309, 340, 396, 427, 450, 477, , 481
ESP10, 307, 340, 397, 426, 452, 480, , 484
ESP10, 306, 341, 400, 427, 454, 482, , 486
ESP10, 300, 336, 395, 422, 450, 485, , 489
ESP10, 297, 334, 393, 420, 446, 487, , 491
ESP10, 302, 341, 397, 423, 449, 490, , 494
ESP10, 306, 348, 399, 426, 452, 492, , 496
ESP10, 315, 354, 400, 429, 452, 495, , 499
ESP10, 319, 355, 403, 429, 452, 497, , 501
ESP10, 325, 358, 404, 431, 455, 500, , 504
ESP10, 328, 358, 407, 430, 457, 502, , 506
ESP10, 326, 349, 401, 422, 449, 505, , 509
ESP10, 325, 351, 398, 420, 449, 507, , 511
ESP10, 332, 359, 404, 426, 455, 510, , 514
ESP10, 327, 357, 399, 421, 447, 512, , 516
ESP10, 335, 364, 406, 431, 453, 515, , 519
ESP10, 336, 362, 405, 434, 452, 517, , 521
ESP10, 340, 362, 406, 434, 454, 520, , 524
ESP10, 346, 369, 413, 439, 459, 522, , 526
ESP10, 349, 377, 416, 447, 462, 525, , 529
ESP10, 350, 379, 414, 447, 462, 527, , 531
ESP10, 359, 385, 422, 454, 468, 530, , 534
ESP10, 361, 384, 425, 456, 470, 532, , 536
ESP10, 362, 389, 426, 459, 473, 535, , 539
ESP10, 367, 395, 431, 463, 479, 537, , 541
ESP10, 371, 397, 434, 465, 483, 540, , 544
ESP10, 364, 390, 426, 458, 477, 542, , 546
ESP10, 358, 385, 419, 453, 472, 545, , 549
ESP10, 361, 384, 417, 451, 469, 547, , 551
ESP10, 357, 381, 412, 448, 465, 550, , 554
ESP10, 359, 380, 410, 446, 462, 552, , 556
ESP10, 364, 387, 413, 450, 465, 555, , 559
ESP10, 369, 390, 417, 449, 463, 557, , 561
ESP10, 376, 398, 425, 454, 468, 560, , 564
ESP10, 380, 407, 428, 457, 470, 562, , 566
ESP10, 380, 408, 433, 458, 472, 565, , 569
ESP10, 382, 411, 432, 457, 470, 567, , 571
ESP10, 382, 413, 432, 459, 469, 570, , 574
ESP10, 386, 415, 433, 460, 470, 572, , 576
ESP10, 386, 413, 431, 458, 468, 575, , 579
ESP10, 387, 415, 433, 459, 469, 577, , 581
ESP10, 388, 418, 436, 462, 471, 580, , 584
ESP10, 390, 423, 440, 462, 472, 582, , 586
ESP10, 390, 423, 440, 462, 471, 585, , 589
ESP10, 387, 423, 438, 459, 469, 587, , 591
ESP10, 390, 426, 440, 460, 470, 590, , 594
ESP10, 394, 429, 443, 461, 470, 592, , 596
ESP10, 396, 430, 445, 460, 470, 595, , 599
ESP10, 397, 431, 447, 460, 470, 597, , 601
ESP10, 399, 433, 449, 462, 472, 600, , 604
ESP10, 399, 434, 450, 466, 472, 602, , 606
ESP10, 403, 434, 450, 467, 472, 605, , 609
ESP10, 405, 435, 451, 468, 473, 608, , 612
ESP10, 411, 440, 459, 471, 475, 610, , 614
ESP10, 416, 440, 461, 471, 474, 613, , 617
ESP10, 416, 440, 462, 472, 475, 615, , 619
ESP10, 417, 440, 463, 472, 475, 618, , 622
ESP10, 419, 440, 464, 473, 476, 620, , 624
ESP10, 423, 444, 467, 476, 480, 623, , 627
ESP10, 426, 447, 471, 478, 483, 625, , 629
ESP10, 422, 446, 469, 478, 481, 628, , 632
ESP10, 417, 444, 464, 474, 477, 630, , 634
ESP10, 410, 437, 456, 467, 471, 633, , 637
ESP10, 416, 441, 459, 470, 474, 635, , 639
ESP10, 416, 442, 460, 470, 473, 638, , 642
ESP10, 414, 438, 457, 467, 471, 640, , 644
ESP10, 422, 440, 460, 469, 472, 643, , 647
ESP10, 429, 444, 462, 472, 475, 645, , 649
ESP10, 423, 437, 457, 468, 471, 648, , 652
ESP10, 430, 448, 459, 470, 473, 650, , 654
ESP10, 428, 445, 458, 469, 472, 653, , 657
ESP10, 434, 449, 464, 472, 475, 655, , 659
ESP10, 438, 455, 466, 473, 477, 658, , 662
ESP10, 440, 458, 466, 474, 477, 660, , 664
ESP10, 441, 457, 465, 473, 476, 663, , 667
ESP10, 443, 457, 466, 472, 475, 665, , 669
ESP10, 450, 461, 468, 474, 476, 668, , 672
ESP10, 451, 462, 467, 474, 476, 670, , 674
ESP10, 451, 461, 468, 472, 475, 673, , 677
ESP10, 453, 463, 469, 473, 475, 675, , 679
ESP10, 455, 465, 471, 474, 476, 678, , 682
ESP10, 456, 467, 472, 475, 476, 680, , 684
ESP10, 454, 466, 471, 474, 475, 683, , 687
ESP10, 451, 465, 469, 472, 473, 685, , 689
ESP10, 454, 467, 471, 474, 476, 688, , 692
ESP10, 451, 466, 469, 472, 473, 690, , 694
ESP10, 450, 463, 466, 468, 470, 693, , 697
ESP10, 451, 463, 465, 468, 469, 695, , 699
ESP10, 454, 464, 466, 468, 469, 698, , 702
ESP10, 455, 464, 466, 469, 469, 700, , 704
ESP10, 457, 466, 468, 470, 471, 703, , 707
ESP10, 458, 465, 467, 469, 470, 705, , 709
ESP10, 459, 465, 468, 469, 470, 708, , 712
ESP10, 459, 466, 468, 469, 470, 710, , 714
ESP10, 459, 466, 468, 470, 470, 713, , 717
ESP10, 460, 467, 469, 470, 471, 715, , 719
ESP10, 461, 467, 469, 470, 472, 718, , 722
ESP10, 460, 467, 469, 471, 472, 720, , 724
ESP10, 463, 468, 469, 471, 472, 723, , 727
ESP10, 463, 467, 469, 471, 472, 725, , 729
ESP10, 462, 466, 469, 470, 472, 728, , 732
ESP10, 462, 466, 468, 470, 471, 730, , 734
ESP10, 463, 467, 469, 471, 472, 733, , 737
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/MYDW1N_SQIN.ESPF10.csv
MYDW1N_SQIN.ESPF0.csv|2026-06-23
MYDW1N_SQIN.ESPF10.csv|2026-06-23
MYDW1N_SQIN.ESPFM.csv|2026-06-23
APR-SEP
Commerce Home
|
NOAA
|
NWS Organization
|
NWRFC Site Map
|
Search
Freedom of Information Act
|
Privacy Policy
|
Information Quality
|
USA.gov
|
Career Opportunities
#FFF68F
#33CCFF
#404040
#660066
#F00007
#66CCFF
ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
