Choose Date:
Archive:
Water Year
Loading...
COWLITZ - AT CASTLE ROCK
(
CASW1
)
Forecasts for Water Year
2026
Official Water Supply
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
1605
1619
65
1656
2504
APR-JUL
1382
1388
63
1395
2213
JAN-SEP
4360
4374
89
4411
4929
JAN-JUL
4138
4143
89
4150
4638
OCT-SEP
7172
7186
107
7223
6739
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-06-23
Issued:
2026-06-23
Hide Forecast
APR-SEP
1607
1627
65
1695
2504
APR-JUL
1383
1390
63
1425
2213
JAN-SEP
4362
4383
89
4451
4929
JAN-JUL
4138
4146
89
4180
4638
OCT-SEP
7174
7194
107
7262
6739
Reference
ESP with 0 Days QPF
Ensemble:
2026-06-23
Issued:
2026-06-23
Hide Forecast
APR-SEP
1603
1621
65
1682
2504
APR-JUL
1379
1387
63
1408
2213
JAN-SEP
4358
4376
89
4438
4929
JAN-JUL
4135
4142
89
4164
4638
OCT-SEP
7170
7188
107
7249
6739
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 242, 289, 338, 387, 431, 71, , 75
ESP10, 242, 289, 338, 387, 431, 73, , 77
ESP10, 242, 289, 338, 387, 431, 76, , 80
ESP10, 242, 289, 338, 387, 431, 78, , 82
ESP10, 242, 289, 338, 387, 431, 81, , 85
ESP10, 242, 289, 338, 387, 431, 83, , 87
ESP10, 241, 288, 337, 385, 430, 86, , 90
ESP10, 241, 288, 337, 385, 430, 88, , 92
ESP10, 242, 288, 338, 386, 431, 91, , 95
ESP10, 242, 288, 338, 386, 430, 93, , 97
ESP10, 241, 288, 338, 386, 430, 96, , 100
ESP10, 241, 288, 337, 385, 430, 98, , 102
ESP10, 241, 288, 337, 385, 431, 101, , 105
ESP10, 241, 289, 338, 386, 432, 103, , 107
ESP10, 235, 281, 329, 377, 422, 106, , 110
ESP10, 234, 280, 329, 377, 422, 108, , 112
ESP10, 230, 277, 327, 376, 420, 111, , 115
ESP10, 230, 278, 327, 376, 423, 113, , 117
ESP10, 230, 278, 327, 376, 423, 116, , 120
ESP10, 231, 279, 330, 376, 423, 118, , 122
ESP10, 228, 277, 328, 374, 421, 121, , 125
ESP10, 232, 280, 330, 377, 424, 123, , 127
ESP10, 231, 279, 330, 376, 424, 126, , 130
ESP10, 231, 279, 330, 376, 424, 128, , 132
ESP10, 232, 280, 330, 376, 425, 131, , 135
ESP10, 232, 280, 330, 377, 427, 133, , 137
ESP10, 232, 280, 330, 377, 426, 136, , 140
ESP10, 232, 281, 330, 378, 428, 138, , 142
ESP10, 232, 281, 330, 378, 424, 141, , 145
ESP10, 231, 280, 330, 377, 422, 143, , 147
ESP10, 229, 278, 329, 375, 420, 146, , 150
ESP10, 231, 279, 330, 377, 421, 148, , 152
ESP10, 232, 279, 329, 377, 421, 151, , 155
ESP10, 235, 281, 330, 379, 423, 153, , 157
ESP10, 234, 281, 330, 379, 423, 156, , 160
ESP10, 235, 282, 330, 380, 424, 158, , 162
ESP10, 235, 281, 329, 380, 425, 161, , 165
ESP10, 233, 278, 327, 377, 422, 163, , 167
ESP10, 232, 277, 325, 376, 422, 166, , 170
ESP10, 234, 278, 325, 377, 425, 168, , 172
ESP10, 237, 281, 328, 379, 428, 171, , 175
ESP10, 240, 284, 330, 382, 429, 173, , 177
ESP10, 238, 283, 327, 381, 426, 176, , 180
ESP10, 245, 289, 333, 390, 432, 178, , 182
ESP10, 244, 288, 335, 389, 431, 181, , 185
ESP10, 243, 287, 335, 389, 430, 183, , 187
ESP10, 245, 288, 335, 390, 431, 186, , 190
ESP10, 249, 291, 337, 394, 433, 188, , 192
ESP10, 248, 291, 336, 394, 432, 191, , 195
ESP10, 249, 291, 336, 394, 432, 193, , 197
ESP10, 251, 292, 336, 392, 430, 196, , 200
ESP10, 251, 287, 336, 392, 430, 198, , 202
ESP10, 250, 289, 338, 390, 429, 201, , 205
ESP10, 254, 293, 342, 394, 431, 204, , 208
ESP10, 253, 291, 341, 393, 430, 206, , 210
ESP10, 255, 295, 344, 396, 432, 209, , 213
ESP10, 255, 294, 344, 395, 431, 211, , 215
ESP10, 254, 293, 343, 394, 430, 214, , 218
ESP10, 255, 295, 344, 394, 428, 216, , 220
ESP10, 250, 291, 341, 388, 423, 219, , 223
ESP10, 257, 298, 345, 394, 430, 221, , 225
ESP10, 260, 301, 349, 398, 436, 224, , 228
ESP10, 259, 303, 350, 397, 438, 226, , 230
ESP10, 262, 308, 358, 400, 440, 229, , 233
ESP10, 269, 314, 366, 407, 447, 231, , 235
ESP10, 267, 313, 366, 405, 445, 234, , 238
ESP10, 272, 318, 372, 409, 450, 236, , 240
ESP10, 275, 319, 373, 410, 455, 239, , 243
ESP10, 278, 321, 374, 410, 456, 241, , 245
ESP10, 273, 318, 369, 405, 451, 244, , 248
ESP10, 263, 307, 358, 392, 439, 246, , 250
ESP10, 261, 305, 356, 390, 437, 249, , 253
ESP10, 260, 304, 355, 391, 436, 251, , 255
ESP10, 267, 309, 359, 396, 441, 254, , 258
ESP10, 267, 310, 359, 396, 441, 256, , 260
ESP10, 269, 313, 359, 398, 441, 259, , 263
ESP10, 264, 308, 354, 393, 438, 261, , 265
ESP10, 263, 309, 357, 392, 438, 264, , 268
ESP10, 263, 309, 358, 393, 438, 266, , 270
ESP10, 260, 307, 357, 394, 437, 269, , 273
ESP10, 269, 317, 367, 402, 445, 271, , 275
ESP10, 267, 316, 366, 402, 443, 274, , 278
ESP10, 273, 321, 372, 410, 449, 276, , 280
ESP10, 273, 321, 372, 410, 451, 279, , 283
ESP10, 269, 316, 369, 407, 449, 281, , 285
ESP10, 261, 311, 366, 402, 445, 284, , 288
ESP10, 264, 313, 370, 404, 448, 286, , 290
ESP10, 269, 316, 374, 408, 450, 289, , 293
ESP10, 267, 315, 375, 409, 450, 291, , 295
ESP10, 274, 319, 377, 410, 451, 294, , 298
ESP10, 279, 323, 382, 412, 452, 296, , 300
ESP10, 275, 318, 378, 408, 449, 299, , 303
ESP10, 272, 313, 374, 403, 446, 301, , 305
ESP10, 271, 310, 371, 402, 443, 304, , 308
ESP10, 270, 309, 369, 405, 442, 306, , 310
ESP10, 264, 305, 367, 401, 438, 309, , 313
ESP10, 262, 303, 367, 400, 438, 311, , 315
ESP10, 263, 303, 368, 403, 440, 314, , 318
ESP10, 268, 310, 369, 406, 443, 316, , 320
ESP10, 260, 302, 360, 398, 436, 319, , 323
ESP10, 261, 310, 360, 399, 438, 321, , 325
ESP10, 261, 313, 360, 400, 438, 324, , 328
ESP10, 261, 315, 363, 401, 439, 326, , 330
ESP10, 260, 317, 366, 401, 443, 329, , 333
ESP10, 263, 321, 370, 404, 447, 331, , 335
ESP10, 262, 319, 373, 404, 446, 334, , 338
ESP10, 258, 316, 371, 402, 443, 337, , 341
ESP10, 264, 318, 375, 405, 445, 339, , 343
ESP10, 267, 320, 377, 407, 448, 342, , 346
ESP10, 277, 327, 382, 415, 451, 344, , 348
ESP10, 277, 325, 381, 413, 450, 347, , 351
ESP10, 280, 326, 384, 415, 451, 349, , 353
ESP10, 281, 327, 385, 418, 451, 352, , 356
ESP10, 283, 329, 388, 421, 453, 354, , 358
ESP10, 286, 329, 393, 427, 457, 357, , 361
ESP10, 287, 334, 395, 429, 460, 359, , 363
ESP10, 289, 335, 395, 429, 459, 362, , 366
ESP10, 286, 333, 393, 426, 454, 364, , 368
ESP10, 288, 335, 399, 429, 457, 367, , 371
ESP10, 289, 337, 403, 433, 458, 369, , 373
ESP10, 294, 344, 410, 439, 465, 372, , 376
ESP10, 291, 336, 403, 431, 458, 374, , 378
ESP10, 292, 334, 401, 430, 457, 377, , 381
ESP10, 296, 340, 404, 435, 461, 379, , 383
ESP10, 298, 345, 407, 437, 468, 382, , 386
ESP10, 296, 341, 405, 435, 464, 384, , 388
ESP10, 292, 337, 406, 433, 463, 387, , 391
ESP10, 299, 341, 414, 438, 469, 389, , 393
ESP10, 298, 337, 412, 434, 464, 392, , 396
ESP10, 298, 338, 412, 436, 466, 394, , 398
ESP10, 296, 340, 411, 437, 466, 397, , 401
ESP10, 295, 344, 413, 438, 469, 399, , 403
ESP10, 286, 336, 407, 427, 462, 402, , 406
ESP10, 289, 338, 410, 429, 465, 404, , 408
ESP10, 292, 338, 406, 428, 464, 407, , 411
ESP10, 284, 329, 397, 424, 456, 409, , 413
ESP10, 289, 333, 403, 426, 460, 412, , 416
ESP10, 297, 338, 411, 432, 465, 414, , 418
ESP10, 279, 324, 399, 419, 452, 417, , 421
ESP10, 286, 330, 405, 425, 460, 419, , 423
ESP10, 285, 325, 402, 425, 459, 422, , 426
ESP10, 290, 330, 406, 431, 468, 424, , 428
ESP10, 294, 335, 408, 436, 466, 427, , 431
ESP10, 302, 344, 413, 443, 473, 429, , 433
ESP10, 307, 349, 418, 448, 478, 432, , 436
ESP10, 300, 342, 410, 442, 470, 434, , 438
ESP10, 305, 339, 407, 440, 467, 437, , 441
ESP10, 302, 337, 404, 438, 466, 439, , 443
ESP10, 301, 336, 406, 437, 464, 442, , 446
ESP10, 309, 345, 411, 444, 471, 444, , 448
ESP10, 310, 348, 414, 447, 475, 447, , 451
ESP10, 307, 346, 411, 444, 473, 449, , 453
ESP10, 295, 334, 403, 435, 461, 452, , 456
ESP10, 286, 321, 396, 423, 449, 454, , 458
ESP10, 286, 319, 397, 420, 445, 457, , 461
ESP10, 285, 315, 393, 416, 441, 459, , 463
ESP10, 284, 313, 390, 417, 439, 462, , 466
ESP10, 284, 310, 387, 417, 438, 464, , 468
ESP10, 276, 307, 383, 418, 432, 467, , 471
ESP10, 290, 318, 391, 424, 444, 469, , 473
ESP10, 277, 304, 377, 410, 434, 472, , 476
ESP10, 280, 308, 370, 403, 430, 475, , 479
ESP10, 289, 323, 391, 421, 450, 477, , 481
ESP10, 288, 321, 389, 419, 452, 480, , 484
ESP10, 285, 316, 389, 417, 453, 482, , 486
ESP10, 274, 306, 379, 404, 440, 485, , 489
ESP10, 272, 306, 376, 403, 439, 487, , 491
ESP10, 275, 313, 386, 410, 445, 490, , 494
ESP10, 281, 322, 389, 416, 449, 492, , 496
ESP10, 283, 327, 389, 419, 447, 495, , 499
ESP10, 287, 328, 388, 417, 446, 497, , 501
ESP10, 294, 333, 388, 418, 449, 500, , 504
ESP10, 299, 337, 395, 419, 453, 502, , 506
ESP10, 297, 326, 386, 410, 447, 505, , 509
ESP10, 299, 330, 385, 410, 447, 507, , 511
ESP10, 306, 344, 393, 417, 453, 510, , 514
ESP10, 300, 340, 384, 413, 443, 512, , 516
ESP10, 307, 345, 390, 422, 448, 515, , 519
ESP10, 309, 346, 394, 427, 449, 517, , 521
ESP10, 312, 344, 394, 426, 448, 520, , 524
ESP10, 317, 349, 400, 431, 453, 522, , 526
ESP10, 322, 358, 405, 439, 459, 525, , 529
ESP10, 320, 359, 404, 440, 457, 527, , 531
ESP10, 337, 367, 412, 448, 462, 530, , 534
ESP10, 338, 366, 412, 450, 464, 532, , 536
ESP10, 340, 368, 412, 451, 467, 535, , 539
ESP10, 344, 372, 418, 453, 471, 537, , 541
ESP10, 357, 383, 431, 464, 483, 540, , 544
ESP10, 346, 374, 421, 456, 475, 542, , 546
ESP10, 337, 359, 405, 442, 461, 545, , 549
ESP10, 341, 356, 401, 438, 457, 547, , 551
ESP10, 337, 352, 395, 435, 452, 550, , 554
ESP10, 341, 354, 392, 434, 450, 552, , 556
ESP10, 349, 366, 395, 437, 453, 555, , 559
ESP10, 348, 366, 402, 436, 451, 557, , 561
ESP10, 353, 374, 407, 440, 455, 560, , 564
ESP10, 356, 387, 414, 445, 459, 562, , 566
ESP10, 356, 389, 417, 447, 459, 565, , 569
ESP10, 360, 390, 417, 446, 457, 567, , 571
ESP10, 361, 394, 416, 447, 456, 570, , 574
ESP10, 367, 400, 417, 448, 457, 572, , 576
ESP10, 367, 399, 417, 446, 455, 575, , 579
ESP10, 366, 396, 416, 445, 456, 577, , 581
ESP10, 366, 398, 417, 445, 455, 580, , 584
ESP10, 374, 405, 421, 446, 456, 582, , 586
ESP10, 378, 410, 431, 450, 458, 585, , 589
ESP10, 375, 410, 428, 447, 455, 587, , 591
ESP10, 379, 414, 429, 448, 456, 590, , 594
ESP10, 383, 417, 430, 448, 456, 592, , 596
ESP10, 384, 416, 433, 448, 456, 595, , 599
ESP10, 385, 420, 435, 449, 458, 597, , 601
ESP10, 388, 421, 437, 451, 460, 600, , 604
ESP10, 388, 422, 438, 454, 459, 602, , 606
ESP10, 391, 422, 439, 455, 459, 605, , 609
ESP10, 395, 425, 441, 455, 459, 608, , 612
ESP10, 400, 428, 447, 457, 461, 610, , 614
ESP10, 402, 429, 448, 457, 461, 613, , 617
ESP10, 402, 429, 449, 457, 460, 615, , 619
ESP10, 401, 428, 450, 458, 460, 618, , 622
ESP10, 402, 428, 451, 458, 461, 620, , 624
ESP10, 405, 431, 453, 460, 464, 623, , 627
ESP10, 406, 431, 450, 459, 463, 625, , 629
ESP10, 403, 432, 449, 458, 462, 628, , 632
ESP10, 400, 432, 451, 460, 463, 630, , 634
ESP10, 392, 424, 443, 454, 458, 633, , 637
ESP10, 398, 428, 445, 456, 459, 635, , 639
ESP10, 389, 421, 441, 449, 453, 638, , 642
ESP10, 387, 417, 437, 446, 450, 640, , 644
ESP10, 401, 421, 440, 448, 451, 643, , 647
ESP10, 406, 422, 442, 450, 454, 645, , 649
ESP10, 402, 415, 436, 447, 450, 648, , 652
ESP10, 412, 428, 443, 450, 452, 650, , 654
ESP10, 412, 426, 441, 449, 452, 653, , 657
ESP10, 418, 431, 445, 451, 454, 655, , 659
ESP10, 421, 437, 448, 453, 455, 658, , 662
ESP10, 423, 439, 447, 452, 455, 660, , 664
ESP10, 423, 438, 446, 451, 453, 663, , 667
ESP10, 424, 438, 446, 450, 452, 665, , 669
ESP10, 431, 443, 450, 454, 456, 668, , 672
ESP10, 432, 444, 450, 454, 456, 670, , 674
ESP10, 437, 446, 454, 459, 461, 673, , 677
ESP10, 438, 449, 454, 459, 461, 675, , 679
ESP10, 439, 451, 456, 459, 461, 678, , 682
ESP10, 435, 443, 447, 451, 453, 680, , 684
ESP10, 437, 447, 450, 453, 454, 683, , 687
ESP10, 434, 445, 449, 451, 452, 685, , 689
ESP10, 436, 447, 450, 452, 454, 688, , 692
ESP10, 436, 450, 453, 456, 458, 690, , 694
ESP10, 434, 447, 450, 452, 454, 693, , 697
ESP10, 432, 440, 443, 445, 446, 695, , 699
ESP10, 435, 442, 444, 446, 447, 698, , 702
ESP10, 436, 443, 445, 447, 448, 700, , 704
ESP10, 437, 444, 446, 448, 448, 703, , 707
ESP10, 431, 437, 440, 442, 443, 705, , 709
ESP10, 432, 437, 441, 443, 443, 708, , 712
ESP10, 432, 438, 441, 443, 443, 710, , 714
ESP10, 432, 438, 441, 443, 443, 713, , 717
ESP10, 433, 439, 442, 444, 444, 715, , 719
ESP10, 433, 439, 442, 444, 444, 718, , 722
ESP10, 433, 439, 442, 444, 444, 720, , 724
ESP10, 440, 443, 445, 446, 447, 723, , 727
ESP10, 439, 443, 445, 446, 447, 725, , 729
ESP10, 438, 442, 444, 445, 446, 728, , 732
ESP10, 438, 441, 444, 444, 445, 730, , 734
ESP10, 439, 442, 444, 445, 446, 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|2026-06-23
CASW1W_SQIN.ESPF10.csv|2026-06-23
CASW1W_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
