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Water Year
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COWLITZ - AT CASTLE ROCK
(
CASW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-04-30
Issued:
2026-04-30
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1478
1664
65
2050
2557
APR-JUL
1291
1453
65
1671
2252
JAN-SEP
4234
4420
90
4806
4932
JAN-JUL
4047
4209
91
4427
4627
OCT-SEP
7051
7236
108
7622
6701
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-04-30
Issued:
2026-04-30
Hide Forecast
APR-SEP
1487
1718
67
2109
2557
APR-JUL
1304
1504
67
1734
2252
JAN-SEP
4243
4474
91
4865
4932
JAN-JUL
4060
4260
92
4490
4627
OCT-SEP
7059
7290
109
7681
6701
Reference
ESP with 0 Days QPF
Ensemble:
2026-04-30
Issued:
2026-04-30
Hide Forecast
APR-SEP
1508
1807
71
2211
2557
APR-JUL
1311
1587
70
1890
2252
JAN-SEP
4264
4563
93
4967
4932
JAN-JUL
4067
4343
94
4646
4627
OCT-SEP
7080
7379
110
7783
6701
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 240, 287, 336, 385, 429, 71, , 75
ESP10, 240, 287, 336, 385, 429, 74, , 78
ESP10, 240, 287, 336, 385, 429, 77, , 81
ESP10, 240, 287, 336, 385, 429, 81, , 85
ESP10, 240, 287, 336, 385, 429, 84, , 88
ESP10, 240, 287, 336, 385, 429, 87, , 91
ESP10, 240, 287, 336, 385, 429, 90, , 94
ESP10, 240, 287, 336, 385, 429, 93, , 97
ESP10, 240, 287, 336, 385, 429, 96, , 100
ESP10, 239, 287, 336, 385, 429, 99, , 103
ESP10, 240, 287, 336, 385, 429, 103, , 107
ESP10, 239, 287, 336, 385, 429, 106, , 110
ESP10, 239, 287, 336, 385, 429, 109, , 113
ESP10, 239, 287, 336, 385, 430, 112, , 116
ESP10, 239, 287, 336, 385, 430, 115, , 119
ESP10, 239, 287, 336, 384, 429, 118, , 122
ESP10, 237, 285, 334, 383, 427, 121, , 125
ESP10, 237, 285, 334, 383, 428, 125, , 129
ESP10, 237, 285, 335, 383, 428, 128, , 132
ESP10, 237, 286, 337, 384, 429, 131, , 135
ESP10, 235, 284, 336, 381, 426, 134, , 138
ESP10, 238, 287, 337, 384, 430, 137, , 141
ESP10, 238, 286, 337, 383, 429, 140, , 144
ESP10, 238, 287, 337, 384, 431, 143, , 147
ESP10, 239, 287, 337, 383, 431, 147, , 151
ESP10, 239, 287, 337, 384, 431, 150, , 154
ESP10, 239, 287, 337, 385, 431, 153, , 157
ESP10, 239, 288, 337, 385, 431, 156, , 160
ESP10, 239, 288, 337, 385, 431, 159, , 163
ESP10, 238, 287, 337, 385, 430, 162, , 166
ESP10, 236, 285, 337, 382, 428, 166, , 170
ESP10, 238, 287, 337, 385, 429, 169, , 173
ESP10, 239, 286, 337, 384, 429, 172, , 176
ESP10, 242, 288, 337, 386, 430, 175, , 179
ESP10, 241, 288, 337, 386, 430, 178, , 182
ESP10, 242, 289, 337, 387, 432, 181, , 185
ESP10, 242, 288, 337, 387, 432, 184, , 188
ESP10, 240, 285, 334, 384, 429, 188, , 192
ESP10, 239, 284, 332, 383, 430, 191, , 195
ESP10, 241, 285, 333, 385, 433, 194, , 198
ESP10, 244, 288, 335, 387, 436, 197, , 201
ESP10, 247, 291, 337, 389, 436, 200, , 204
ESP10, 245, 291, 334, 389, 434, 203, , 207
ESP10, 253, 296, 340, 397, 439, 206, , 210
ESP10, 251, 295, 343, 396, 439, 210, , 214
ESP10, 250, 294, 342, 395, 438, 213, , 217
ESP10, 252, 295, 343, 398, 438, 216, , 220
ESP10, 256, 298, 344, 401, 439, 219, , 223
ESP10, 255, 298, 343, 400, 438, 222, , 226
ESP10, 256, 298, 343, 401, 438, 225, , 229
ESP10, 258, 296, 343, 400, 438, 228, , 232
ESP10, 258, 295, 344, 399, 438, 232, , 236
ESP10, 257, 293, 346, 398, 436, 235, , 239
ESP10, 261, 299, 349, 401, 439, 238, , 242
ESP10, 260, 298, 348, 401, 437, 241, , 245
ESP10, 263, 303, 351, 404, 440, 244, , 248
ESP10, 262, 301, 351, 402, 439, 247, , 251
ESP10, 262, 301, 351, 401, 437, 250, , 254
ESP10, 262, 302, 352, 402, 436, 254, , 258
ESP10, 257, 298, 348, 396, 431, 257, , 261
ESP10, 264, 305, 353, 402, 438, 260, , 264
ESP10, 267, 309, 357, 405, 442, 263, , 267
ESP10, 266, 310, 358, 404, 443, 266, , 270
ESP10, 260, 306, 356, 398, 438, 269, , 273
ESP10, 267, 312, 364, 406, 445, 272, , 276
ESP10, 264, 311, 364, 403, 443, 276, , 280
ESP10, 270, 316, 370, 407, 449, 279, , 283
ESP10, 273, 318, 371, 408, 454, 282, , 286
ESP10, 274, 319, 372, 408, 454, 285, , 289
ESP10, 271, 317, 367, 403, 449, 288, , 292
ESP10, 261, 305, 356, 391, 437, 291, , 295
ESP10, 259, 303, 354, 388, 435, 294, , 298
ESP10, 258, 302, 353, 389, 434, 298, , 302
ESP10, 263, 307, 357, 394, 439, 301, , 305
ESP10, 264, 308, 357, 394, 439, 304, , 308
ESP10, 266, 310, 357, 396, 440, 307, , 311
ESP10, 260, 306, 352, 391, 436, 310, , 314
ESP10, 260, 307, 355, 390, 436, 313, , 317
ESP10, 259, 307, 356, 392, 436, 316, , 320
ESP10, 256, 305, 355, 392, 435, 320, , 324
ESP10, 265, 315, 365, 400, 443, 323, , 327
ESP10, 263, 314, 364, 400, 442, 326, , 330
ESP10, 269, 319, 370, 408, 448, 329, , 333
ESP10, 269, 319, 370, 408, 449, 332, , 336
ESP10, 265, 316, 367, 405, 447, 335, , 339
ESP10, 260, 311, 364, 400, 444, 339, , 343
ESP10, 262, 313, 368, 403, 447, 342, , 346
ESP10, 265, 315, 372, 406, 449, 345, , 349
ESP10, 267, 315, 373, 407, 448, 348, , 352
ESP10, 271, 317, 375, 408, 449, 351, , 355
ESP10, 275, 321, 380, 410, 451, 354, , 358
ESP10, 271, 316, 376, 406, 447, 357, , 361
ESP10, 268, 311, 372, 402, 444, 361, , 365
ESP10, 267, 308, 369, 401, 441, 364, , 368
ESP10, 266, 307, 368, 404, 441, 367, , 371
ESP10, 264, 304, 365, 402, 438, 370, , 374
ESP10, 262, 303, 365, 401, 438, 373, , 377
ESP10, 263, 304, 366, 403, 440, 376, , 380
ESP10, 264, 307, 368, 405, 442, 379, , 383
ESP10, 265, 309, 368, 406, 443, 383, , 387
ESP10, 266, 316, 368, 407, 445, 386, , 390
ESP10, 265, 319, 368, 408, 445, 389, , 393
ESP10, 265, 321, 370, 409, 446, 392, , 396
ESP10, 265, 321, 374, 409, 449, 395, , 399
ESP10, 267, 325, 377, 412, 453, 398, , 402
ESP10, 265, 325, 381, 412, 451, 401, , 405
ESP10, 262, 323, 379, 410, 449, 405, , 409
ESP10, 266, 325, 382, 413, 452, 408, , 412
ESP10, 269, 327, 384, 414, 455, 411, , 415
ESP10, 279, 333, 389, 423, 459, 414, , 418
ESP10, 281, 331, 389, 420, 456, 417, , 421
ESP10, 285, 332, 391, 422, 458, 420, , 424
ESP10, 287, 333, 393, 426, 458, 423, , 427
ESP10, 288, 334, 396, 429, 460, 427, , 431
ESP10, 287, 332, 395, 427, 458, 430, , 434
ESP10, 287, 333, 396, 428, 458, 433, , 437
ESP10, 289, 334, 398, 430, 460, 436, , 440
ESP10, 288, 336, 397, 428, 458, 439, , 443
ESP10, 290, 338, 399, 429, 459, 442, , 446
ESP10, 291, 339, 402, 432, 460, 445, , 449
ESP10, 295, 342, 408, 437, 463, 449, , 453
ESP10, 297, 343, 411, 439, 465, 452, , 456
ESP10, 296, 340, 407, 436, 462, 455, , 459
ESP10, 294, 339, 406, 433, 461, 458, , 462
ESP10, 296, 343, 412, 436, 467, 461, , 465
ESP10, 293, 340, 409, 434, 465, 464, , 468
ESP10, 290, 336, 407, 432, 465, 467, , 471
ESP10, 295, 340, 412, 436, 469, 471, , 475
ESP10, 291, 336, 410, 434, 466, 474, , 478
ESP10, 290, 336, 410, 437, 466, 477, , 481
ESP10, 288, 338, 409, 436, 465, 480, , 484
ESP10, 288, 342, 411, 437, 470, 483, , 487
ESP10, 279, 333, 407, 428, 462, 486, , 490
ESP10, 281, 336, 408, 431, 466, 490, , 494
ESP10, 283, 337, 404, 432, 464, 493, , 497
ESP10, 277, 329, 400, 426, 459, 496, , 500
ESP10, 281, 333, 405, 428, 462, 499, , 503
ESP10, 288, 337, 410, 433, 467, 502, , 506
ESP10, 274, 324, 396, 420, 454, 505, , 509
ESP10, 282, 329, 403, 427, 460, 508, , 512
ESP10, 282, 327, 403, 426, 462, 512, , 516
ESP10, 287, 331, 406, 434, 468, 515, , 519
ESP10, 288, 333, 405, 434, 469, 518, , 522
ESP10, 294, 341, 411, 441, 474, 521, , 525
ESP10, 299, 347, 416, 447, 478, 524, , 528
ESP10, 302, 349, 417, 449, 478, 527, , 531
ESP10, 306, 346, 414, 447, 475, 530, , 534
ESP10, 304, 344, 412, 445, 473, 534, , 538
ESP10, 305, 343, 413, 444, 472, 537, , 541
ESP10, 306, 343, 412, 444, 472, 540, , 544
ESP10, 307, 346, 413, 447, 474, 543, , 547
ESP10, 304, 344, 410, 443, 471, 546, , 550
ESP10, 302, 340, 410, 442, 468, 549, , 553
ESP10, 292, 327, 404, 429, 456, 552, , 556
ESP10, 291, 321, 400, 423, 451, 556, , 560
ESP10, 289, 316, 395, 418, 446, 559, , 563
ESP10, 288, 316, 393, 419, 444, 562, , 566
ESP10, 286, 313, 389, 418, 442, 565, , 569
ESP10, 282, 312, 385, 418, 439, 568, , 572
ESP10, 287, 315, 389, 422, 443, 571, , 575
ESP10, 284, 311, 384, 418, 442, 574, , 578
ESP10, 278, 307, 378, 411, 438, 578, , 582
ESP10, 287, 321, 389, 420, 448, 581, , 585
ESP10, 285, 318, 388, 417, 451, 584, , 588
ESP10, 286, 317, 390, 416, 453, 587, , 591
ESP10, 281, 313, 386, 411, 447, 590, , 594
ESP10, 277, 312, 382, 409, 445, 593, , 597
ESP10, 280, 318, 391, 414, 450, 596, , 600
ESP10, 284, 325, 393, 420, 452, 600, , 604
ESP10, 288, 333, 395, 425, 453, 603, , 607
ESP10, 293, 334, 395, 424, 452, 606, , 610
ESP10, 300, 339, 394, 424, 455, 609, , 613
ESP10, 303, 341, 399, 424, 458, 612, , 616
ESP10, 301, 331, 391, 414, 452, 615, , 619
ESP10, 303, 334, 389, 415, 452, 618, , 622
ESP10, 310, 348, 398, 422, 458, 622, , 626
ESP10, 305, 345, 389, 418, 449, 625, , 629
ESP10, 313, 351, 396, 428, 454, 628, , 632
ESP10, 314, 351, 400, 432, 455, 631, , 635
ESP10, 319, 351, 401, 434, 456, 634, , 638
ESP10, 324, 357, 408, 438, 461, 637, , 641
ESP10, 327, 366, 413, 447, 466, 640, , 644
ESP10, 327, 367, 412, 448, 464, 644, , 648
ESP10, 343, 374, 419, 455, 470, 647, , 651
ESP10, 344, 374, 419, 458, 472, 650, , 654
ESP10, 348, 376, 420, 459, 475, 653, , 657
ESP10, 349, 380, 426, 460, 479, 656, , 660
ESP10, 355, 382, 430, 463, 481, 659, , 663
ESP10, 345, 373, 421, 455, 474, 663, , 667
ESP10, 341, 367, 413, 449, 469, 666, , 670
ESP10, 348, 363, 408, 446, 464, 669, , 673
ESP10, 344, 359, 402, 442, 459, 672, , 676
ESP10, 347, 360, 400, 442, 458, 675, , 679
ESP10, 352, 373, 403, 445, 461, 678, , 682
ESP10, 355, 374, 409, 443, 459, 681, , 685
ESP10, 360, 381, 415, 448, 463, 685, , 689
ESP10, 363, 394, 421, 453, 467, 688, , 692
ESP10, 363, 397, 424, 454, 467, 691, , 695
ESP10, 367, 398, 425, 453, 465, 694, , 698
ESP10, 368, 401, 424, 455, 464, 697, , 701
ESP10, 372, 404, 425, 456, 465, 700, , 704
ESP10, 372, 401, 424, 454, 463, 703, , 707
ESP10, 373, 403, 423, 453, 463, 707, , 711
ESP10, 373, 405, 424, 453, 462, 710, , 714
ESP10, 375, 411, 429, 454, 463, 713, , 717
ESP10, 376, 410, 432, 454, 463, 716, , 720
ESP10, 374, 410, 430, 451, 459, 719, , 723
ESP10, 378, 413, 432, 451, 461, 722, , 726
ESP10, 383, 417, 433, 452, 461, 725, , 729
ESP10, 385, 418, 434, 451, 461, 729, , 733
ESP10, 385, 419, 437, 451, 461, 732, , 736
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/CASW1N_SQIN.ESPF10.csv
CASW1N_SQIN.ESPF0.csv|2026-04-30
CASW1N_SQIN.ESPF10.csv|2026-04-30
CASW1N_SQIN.ESPFM.csv|2026-04-30
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast