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Archive:
Water Year
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COWLITZ - AT CASTLE ROCK
(
CASW1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-07-13
Issued:
2026-07-13
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1560
1574
63
1603
2504
APR-JUL
1369
1371
62
1374
2213
JAN-SEP
4315
4329
88
4359
4929
JAN-JUL
4125
4126
89
4129
4638
OCT-SEP
7127
7141
106
7171
6739
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-07-13
Issued:
2026-07-13
Hide Forecast
APR-SEP
1562
1572
63
1602
2504
APR-JUL
1366
1370
62
1373
2213
JAN-SEP
4317
4327
88
4357
4929
JAN-JUL
4122
4125
89
4128
4638
OCT-SEP
7129
7139
106
7169
6739
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-13
Issued:
2026-07-13
Hide Forecast
APR-SEP
1559
1574
63
1601
2504
APR-JUL
1363
1367
62
1376
2213
JAN-SEP
4315
4329
88
4357
4929
JAN-JUL
4119
4122
89
4131
4638
OCT-SEP
7127
7141
106
7169
6739
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 242, 289, 338, 387, 431, 70, , 74
ESP10, 242, 289, 338, 387, 431, 73, , 77
ESP10, 242, 289, 338, 387, 431, 75, , 79
ESP10, 242, 289, 338, 387, 431, 77, , 81
ESP10, 242, 289, 338, 387, 431, 80, , 84
ESP10, 242, 289, 338, 387, 431, 82, , 86
ESP10, 241, 288, 337, 385, 430, 84, , 88
ESP10, 241, 288, 337, 385, 430, 87, , 91
ESP10, 242, 288, 338, 386, 431, 89, , 93
ESP10, 242, 288, 338, 386, 430, 91, , 95
ESP10, 241, 288, 338, 386, 430, 94, , 98
ESP10, 241, 288, 337, 385, 430, 96, , 100
ESP10, 241, 288, 337, 385, 431, 98, , 102
ESP10, 241, 289, 338, 386, 432, 101, , 105
ESP10, 235, 281, 329, 377, 422, 103, , 107
ESP10, 234, 280, 329, 377, 422, 105, , 109
ESP10, 230, 277, 327, 376, 420, 108, , 112
ESP10, 230, 278, 327, 376, 423, 110, , 114
ESP10, 230, 278, 327, 376, 423, 112, , 116
ESP10, 231, 279, 330, 376, 423, 115, , 119
ESP10, 228, 277, 328, 374, 421, 117, , 121
ESP10, 232, 280, 330, 377, 424, 119, , 123
ESP10, 231, 279, 330, 376, 424, 122, , 126
ESP10, 231, 279, 330, 376, 424, 124, , 128
ESP10, 232, 280, 330, 376, 425, 126, , 130
ESP10, 232, 280, 330, 377, 427, 129, , 133
ESP10, 232, 280, 330, 377, 426, 131, , 135
ESP10, 232, 281, 330, 378, 428, 133, , 137
ESP10, 232, 281, 330, 378, 424, 136, , 140
ESP10, 231, 280, 330, 377, 422, 138, , 142
ESP10, 229, 278, 329, 375, 420, 140, , 144
ESP10, 231, 279, 330, 377, 421, 143, , 147
ESP10, 232, 279, 329, 377, 421, 145, , 149
ESP10, 235, 281, 330, 379, 423, 147, , 151
ESP10, 234, 281, 330, 379, 423, 150, , 154
ESP10, 235, 282, 330, 380, 424, 152, , 156
ESP10, 235, 281, 329, 380, 425, 154, , 158
ESP10, 233, 278, 327, 377, 422, 157, , 161
ESP10, 232, 277, 325, 376, 422, 159, , 163
ESP10, 234, 278, 325, 377, 425, 161, , 165
ESP10, 237, 281, 328, 379, 428, 164, , 168
ESP10, 240, 284, 330, 382, 429, 166, , 170
ESP10, 238, 283, 327, 381, 426, 168, , 172
ESP10, 245, 289, 333, 390, 432, 171, , 175
ESP10, 244, 288, 335, 389, 431, 173, , 177
ESP10, 243, 287, 335, 389, 430, 175, , 179
ESP10, 245, 288, 335, 390, 431, 178, , 182
ESP10, 249, 291, 337, 394, 433, 180, , 184
ESP10, 248, 291, 336, 394, 432, 182, , 186
ESP10, 249, 291, 336, 394, 432, 185, , 189
ESP10, 251, 292, 336, 392, 430, 187, , 191
ESP10, 251, 287, 336, 392, 430, 189, , 193
ESP10, 250, 289, 338, 390, 429, 192, , 196
ESP10, 254, 293, 342, 394, 431, 194, , 198
ESP10, 253, 291, 341, 393, 430, 196, , 200
ESP10, 255, 295, 344, 396, 432, 199, , 203
ESP10, 255, 294, 344, 395, 431, 201, , 205
ESP10, 254, 293, 343, 394, 430, 203, , 207
ESP10, 255, 295, 344, 394, 428, 206, , 210
ESP10, 250, 291, 341, 388, 423, 208, , 212
ESP10, 257, 298, 345, 394, 430, 210, , 214
ESP10, 260, 301, 349, 398, 436, 213, , 217
ESP10, 259, 303, 350, 397, 438, 215, , 219
ESP10, 262, 308, 358, 400, 440, 217, , 221
ESP10, 269, 314, 366, 407, 447, 220, , 224
ESP10, 267, 313, 366, 405, 445, 222, , 226
ESP10, 272, 318, 372, 409, 450, 224, , 228
ESP10, 275, 319, 373, 410, 455, 227, , 231
ESP10, 278, 321, 374, 410, 456, 229, , 233
ESP10, 273, 318, 369, 405, 451, 231, , 235
ESP10, 263, 307, 358, 392, 439, 234, , 238
ESP10, 261, 305, 356, 390, 437, 236, , 240
ESP10, 260, 304, 355, 391, 436, 238, , 242
ESP10, 267, 309, 359, 396, 441, 241, , 245
ESP10, 267, 310, 359, 396, 441, 243, , 247
ESP10, 269, 313, 359, 398, 441, 245, , 249
ESP10, 264, 308, 354, 393, 438, 248, , 252
ESP10, 263, 309, 357, 392, 438, 250, , 254
ESP10, 263, 309, 358, 393, 438, 252, , 256
ESP10, 260, 307, 357, 394, 437, 255, , 259
ESP10, 269, 317, 367, 402, 445, 257, , 261
ESP10, 267, 316, 366, 402, 443, 259, , 263
ESP10, 273, 321, 372, 410, 449, 262, , 266
ESP10, 273, 321, 372, 410, 451, 264, , 268
ESP10, 269, 316, 369, 407, 449, 266, , 270
ESP10, 261, 311, 366, 402, 445, 269, , 273
ESP10, 264, 313, 370, 404, 448, 271, , 275
ESP10, 269, 316, 374, 408, 450, 273, , 277
ESP10, 267, 315, 375, 409, 450, 276, , 280
ESP10, 274, 319, 377, 410, 451, 278, , 282
ESP10, 279, 323, 382, 412, 452, 280, , 284
ESP10, 275, 318, 378, 408, 449, 283, , 287
ESP10, 272, 313, 374, 403, 446, 285, , 289
ESP10, 271, 310, 371, 402, 443, 287, , 291
ESP10, 270, 309, 369, 405, 442, 290, , 294
ESP10, 264, 305, 367, 401, 438, 292, , 296
ESP10, 262, 303, 367, 400, 438, 294, , 298
ESP10, 263, 303, 368, 403, 440, 297, , 301
ESP10, 268, 310, 369, 406, 443, 299, , 303
ESP10, 260, 302, 360, 398, 436, 301, , 305
ESP10, 261, 310, 360, 399, 438, 304, , 308
ESP10, 261, 313, 360, 400, 438, 306, , 310
ESP10, 261, 315, 363, 401, 439, 308, , 312
ESP10, 260, 317, 366, 401, 443, 311, , 315
ESP10, 263, 321, 370, 404, 447, 313, , 317
ESP10, 262, 319, 373, 404, 446, 315, , 319
ESP10, 258, 316, 371, 402, 443, 318, , 322
ESP10, 264, 318, 375, 405, 445, 320, , 324
ESP10, 267, 320, 377, 407, 448, 322, , 326
ESP10, 277, 327, 382, 415, 451, 325, , 329
ESP10, 277, 325, 381, 413, 450, 327, , 331
ESP10, 280, 326, 384, 415, 451, 329, , 333
ESP10, 281, 327, 385, 418, 451, 332, , 336
ESP10, 283, 329, 388, 421, 453, 334, , 338
ESP10, 286, 329, 393, 427, 457, 336, , 340
ESP10, 287, 334, 395, 429, 460, 339, , 343
ESP10, 289, 335, 395, 429, 459, 341, , 345
ESP10, 286, 333, 393, 426, 454, 343, , 347
ESP10, 288, 335, 399, 429, 457, 346, , 350
ESP10, 289, 337, 403, 433, 458, 348, , 352
ESP10, 294, 344, 410, 439, 465, 350, , 354
ESP10, 291, 336, 403, 431, 458, 353, , 357
ESP10, 292, 334, 401, 430, 457, 355, , 359
ESP10, 296, 340, 404, 435, 461, 357, , 361
ESP10, 298, 345, 407, 437, 468, 360, , 364
ESP10, 296, 341, 405, 435, 464, 362, , 366
ESP10, 292, 337, 406, 433, 463, 364, , 368
ESP10, 299, 341, 414, 438, 469, 367, , 371
ESP10, 298, 337, 412, 434, 464, 369, , 373
ESP10, 298, 338, 412, 436, 466, 371, , 375
ESP10, 296, 340, 411, 437, 466, 374, , 378
ESP10, 295, 344, 413, 438, 469, 376, , 380
ESP10, 286, 336, 407, 427, 462, 378, , 382
ESP10, 289, 338, 410, 429, 465, 381, , 385
ESP10, 292, 338, 406, 428, 464, 383, , 387
ESP10, 284, 329, 397, 424, 456, 385, , 389
ESP10, 289, 333, 403, 426, 460, 388, , 392
ESP10, 297, 338, 411, 432, 465, 390, , 394
ESP10, 279, 324, 399, 419, 452, 392, , 396
ESP10, 286, 330, 405, 425, 460, 395, , 399
ESP10, 285, 325, 402, 425, 459, 397, , 401
ESP10, 290, 330, 406, 431, 468, 399, , 403
ESP10, 294, 335, 408, 436, 466, 402, , 406
ESP10, 302, 344, 413, 443, 473, 404, , 408
ESP10, 307, 349, 418, 448, 478, 407, , 411
ESP10, 300, 342, 410, 442, 470, 409, , 413
ESP10, 305, 339, 407, 440, 467, 411, , 415
ESP10, 302, 337, 404, 438, 466, 414, , 418
ESP10, 301, 336, 406, 437, 464, 416, , 420
ESP10, 309, 345, 411, 444, 471, 418, , 422
ESP10, 310, 348, 414, 447, 475, 421, , 425
ESP10, 307, 346, 411, 444, 473, 423, , 427
ESP10, 295, 334, 403, 435, 461, 425, , 429
ESP10, 286, 321, 396, 423, 449, 428, , 432
ESP10, 286, 319, 397, 420, 445, 430, , 434
ESP10, 285, 315, 393, 416, 441, 432, , 436
ESP10, 284, 313, 390, 417, 439, 435, , 439
ESP10, 284, 310, 387, 417, 438, 437, , 441
ESP10, 276, 307, 383, 418, 432, 439, , 443
ESP10, 290, 318, 391, 424, 444, 442, , 446
ESP10, 277, 304, 377, 410, 434, 444, , 448
ESP10, 280, 308, 370, 403, 430, 446, , 450
ESP10, 289, 323, 391, 421, 450, 449, , 453
ESP10, 288, 321, 389, 419, 452, 451, , 455
ESP10, 285, 316, 389, 417, 453, 453, , 457
ESP10, 274, 306, 379, 404, 440, 456, , 460
ESP10, 272, 306, 376, 403, 439, 458, , 462
ESP10, 275, 313, 386, 410, 445, 460, , 464
ESP10, 281, 322, 389, 416, 449, 463, , 467
ESP10, 283, 327, 389, 419, 447, 465, , 469
ESP10, 287, 328, 388, 417, 446, 467, , 471
ESP10, 294, 333, 388, 418, 449, 470, , 474
ESP10, 299, 337, 395, 419, 453, 472, , 476
ESP10, 297, 326, 386, 410, 447, 474, , 478
ESP10, 299, 330, 385, 410, 447, 477, , 481
ESP10, 306, 344, 393, 417, 453, 479, , 483
ESP10, 300, 340, 384, 413, 443, 481, , 485
ESP10, 307, 345, 390, 422, 448, 484, , 488
ESP10, 309, 346, 394, 427, 449, 486, , 490
ESP10, 312, 344, 394, 426, 448, 488, , 492
ESP10, 317, 349, 400, 431, 453, 491, , 495
ESP10, 322, 358, 405, 439, 459, 493, , 497
ESP10, 320, 359, 404, 440, 457, 495, , 499
ESP10, 337, 367, 412, 448, 462, 498, , 502
ESP10, 338, 366, 412, 450, 464, 500, , 504
ESP10, 340, 368, 412, 451, 467, 502, , 506
ESP10, 344, 372, 418, 453, 471, 505, , 509
ESP10, 357, 383, 431, 464, 483, 507, , 511
ESP10, 346, 374, 421, 456, 475, 509, , 513
ESP10, 337, 359, 405, 442, 461, 512, , 516
ESP10, 341, 356, 401, 438, 457, 514, , 518
ESP10, 337, 352, 395, 435, 452, 516, , 520
ESP10, 341, 354, 392, 434, 450, 519, , 523
ESP10, 349, 366, 395, 437, 453, 521, , 525
ESP10, 348, 366, 402, 436, 451, 523, , 527
ESP10, 353, 374, 407, 440, 455, 526, , 530
ESP10, 356, 387, 414, 445, 459, 528, , 532
ESP10, 356, 389, 417, 447, 459, 530, , 534
ESP10, 360, 390, 417, 446, 457, 533, , 537
ESP10, 361, 394, 416, 447, 456, 535, , 539
ESP10, 367, 400, 417, 448, 457, 537, , 541
ESP10, 367, 399, 417, 446, 455, 540, , 544
ESP10, 366, 396, 416, 445, 456, 542, , 546
ESP10, 366, 398, 417, 445, 455, 544, , 548
ESP10, 374, 405, 421, 446, 456, 547, , 551
ESP10, 378, 410, 431, 450, 458, 549, , 553
ESP10, 375, 410, 428, 447, 455, 551, , 555
ESP10, 379, 414, 429, 448, 456, 554, , 558
ESP10, 383, 417, 430, 448, 456, 556, , 560
ESP10, 384, 416, 433, 448, 456, 558, , 562
ESP10, 385, 420, 435, 449, 458, 561, , 565
ESP10, 388, 421, 437, 451, 460, 563, , 567
ESP10, 388, 422, 438, 454, 459, 565, , 569
ESP10, 391, 422, 439, 455, 459, 568, , 572
ESP10, 395, 425, 441, 455, 459, 570, , 574
ESP10, 400, 428, 447, 457, 461, 572, , 576
ESP10, 402, 429, 448, 457, 461, 575, , 579
ESP10, 402, 429, 449, 457, 460, 577, , 581
ESP10, 401, 428, 450, 458, 460, 579, , 583
ESP10, 402, 428, 451, 458, 461, 582, , 586
ESP10, 405, 431, 453, 460, 464, 584, , 588
ESP10, 406, 431, 450, 459, 463, 586, , 590
ESP10, 403, 432, 449, 458, 462, 589, , 593
ESP10, 400, 432, 451, 460, 463, 591, , 595
ESP10, 392, 424, 443, 454, 458, 593, , 597
ESP10, 398, 428, 445, 456, 459, 596, , 600
ESP10, 389, 421, 441, 449, 453, 598, , 602
ESP10, 387, 417, 437, 446, 450, 600, , 604
ESP10, 401, 421, 440, 448, 451, 603, , 607
ESP10, 406, 422, 442, 450, 454, 605, , 609
ESP10, 402, 415, 436, 447, 450, 607, , 611
ESP10, 412, 428, 443, 450, 452, 610, , 614
ESP10, 412, 426, 441, 449, 452, 612, , 616
ESP10, 418, 431, 445, 451, 454, 614, , 618
ESP10, 421, 437, 448, 453, 455, 617, , 621
ESP10, 423, 439, 447, 452, 455, 619, , 623
ESP10, 423, 438, 446, 451, 453, 621, , 625
ESP10, 424, 438, 446, 450, 452, 624, , 628
ESP10, 431, 443, 450, 454, 456, 626, , 630
ESP10, 432, 444, 450, 454, 456, 628, , 632
ESP10, 437, 446, 454, 459, 461, 631, , 635
ESP10, 438, 449, 454, 459, 461, 633, , 637
ESP10, 439, 451, 456, 459, 461, 635, , 639
ESP10, 435, 443, 447, 451, 453, 638, , 642
ESP10, 437, 447, 450, 453, 454, 640, , 644
ESP10, 434, 445, 449, 451, 452, 642, , 646
ESP10, 436, 447, 450, 452, 454, 645, , 649
ESP10, 436, 450, 453, 456, 458, 647, , 651
ESP10, 434, 447, 450, 452, 454, 649, , 653
ESP10, 432, 440, 443, 445, 446, 652, , 656
ESP10, 435, 442, 444, 446, 447, 654, , 658
ESP10, 436, 443, 445, 447, 448, 656, , 660
ESP10, 437, 444, 446, 448, 448, 659, , 663
ESP10, 431, 437, 440, 442, 443, 661, , 665
ESP10, 432, 437, 441, 443, 443, 663, , 667
ESP10, 432, 438, 441, 443, 443, 666, , 670
ESP10, 432, 438, 441, 443, 443, 668, , 672
ESP10, 433, 439, 442, 444, 444, 670, , 674
ESP10, 433, 439, 442, 444, 444, 673, , 677
ESP10, 433, 439, 442, 444, 444, 675, , 679
ESP10, 440, 443, 445, 446, 447, 677, , 681
ESP10, 439, 443, 445, 446, 447, 680, , 684
ESP10, 438, 442, 444, 445, 446, 682, , 686
ESP10, 438, 441, 444, 444, 445, 684, , 688
ESP10, 439, 442, 444, 445, 446, 687, , 691
ESP10, 437, 439, 441, 443, 443, 689, , 693
ESP10, 437, 440, 442, 443, 444, 691, , 695
ESP10, 440, 443, 445, 446, 447, 694, , 698
ESP10, 440, 442, 444, 445, 446, 696, , 700
ESP10, 439, 441, 444, 444, 445, 698, , 702
ESP10, 438, 441, 443, 444, 445, 701, , 705
ESP10, 438, 441, 443, 444, 445, 703, , 707
ESP10, 444, 448, 450, 452, 453, 705, , 709
ESP10, 444, 447, 449, 450, 450, 708, , 712
ESP10, 445, 447, 449, 450, 451, 710, , 714
ESP10, 446, 447, 449, 450, 451, 712, , 716
ESP10, 445, 447, 449, 450, 451, 715, , 719
ESP10, 445, 447, 449, 450, 451, 717, , 721
ESP10, 446, 447, 450, 450, 451, 719, , 723
ESP10, 446, 448, 450, 451, 452, 722, , 726
ESP10, 446, 448, 450, 451, 452, 724, , 728
ESP10, 446, 448, 450, 451, 452, 726, , 730
ESP10, 446, 448, 450, 451, 452, 729, , 733
ESP10, 446, 448, 450, 451, 452, 731, , 735
ESP10, 446, 448, 450, 451, 452, 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/watersupply/CASW1W_SQIN.ESPF10.csv
CASW1W_SQIN.ESPF0.csv|2026-07-13
CASW1W_SQIN.ESPF10.csv|2026-07-13
CASW1W_SQIN.ESPFM.csv|2026-07-13
APR-SEP
COWLITZ - AT CASTLE ROCK
(
CASW1
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-07-13
Issued:
2026-07-13
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1725
2381
95
3142
2504
APR-JUL
1506
2099
95
2723
2213
JAN-SEP
3640
4819
98
6042
4929
JAN-JUL
3443
4449
96
5676
4638
OCT-SEP
4990
6485
96
8406
6739
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/CASW1W_SQIN.ESPF10.csv
CASW1W_SQIN.ESPF0.csv|2026-07-13
CASW1W_SQIN.ESPF10.csv|2026-07-13
CASW1W_SQIN.ESPFM.csv|2026-07-13
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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