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Water Year
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STILLAGUAMISH - NEAR ARLINGTON
(
ARLW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
458
597
63
796
947
APR-JUL
389
506
63
653
807
JAN-SEP
1573
1713
90
1912
1910
JAN-JUL
1504
1621
92
1768
1770
OCT-SEP
2890
3030
105
3229
2874
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
456
600
63
805
947
APR-JUL
387
503
62
661
807
JAN-SEP
1571
1716
90
1921
1910
JAN-JUL
1502
1619
91
1776
1770
OCT-SEP
2888
3033
106
3237
2874
Reference
ESP with 0 Days QPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
476
665
70
914
947
APR-JUL
402
553
68
764
807
JAN-SEP
1591
1781
93
2030
1910
JAN-JUL
1518
1669
94
1880
1770
OCT-SEP
2908
3097
108
3346
2874
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 234, 279, 312, 395, 444, 71, , 75
ESP10, 234, 279, 312, 395, 444, 74, , 78
ESP10, 234, 279, 312, 395, 444, 77, , 81
ESP10, 234, 279, 312, 395, 444, 81, , 85
ESP10, 234, 279, 312, 395, 443, 84, , 88
ESP10, 234, 279, 312, 395, 444, 87, , 91
ESP10, 234, 279, 312, 395, 443, 90, , 94
ESP10, 234, 279, 312, 395, 443, 93, , 97
ESP10, 234, 279, 312, 395, 443, 96, , 100
ESP10, 234, 279, 312, 395, 443, 100, , 104
ESP10, 234, 279, 312, 395, 443, 103, , 107
ESP10, 234, 279, 312, 395, 443, 106, , 110
ESP10, 233, 278, 312, 395, 443, 109, , 113
ESP10, 234, 278, 312, 395, 443, 112, , 116
ESP10, 234, 278, 312, 395, 443, 115, , 119
ESP10, 234, 278, 312, 394, 443, 119, , 123
ESP10, 234, 278, 311, 394, 443, 122, , 126
ESP10, 235, 278, 312, 394, 443, 125, , 129
ESP10, 235, 277, 311, 394, 443, 128, , 132
ESP10, 236, 278, 312, 394, 443, 131, , 135
ESP10, 238, 277, 311, 394, 443, 134, , 138
ESP10, 240, 277, 311, 395, 443, 138, , 142
ESP10, 240, 277, 311, 395, 442, 141, , 145
ESP10, 240, 277, 311, 396, 443, 144, , 148
ESP10, 240, 278, 311, 396, 443, 147, , 151
ESP10, 240, 277, 311, 397, 443, 150, , 154
ESP10, 241, 278, 312, 398, 443, 153, , 157
ESP10, 241, 278, 312, 399, 443, 156, , 160
ESP10, 241, 277, 312, 399, 442, 160, , 164
ESP10, 241, 277, 312, 399, 442, 163, , 167
ESP10, 241, 277, 312, 399, 442, 166, , 170
ESP10, 242, 277, 312, 399, 442, 169, , 173
ESP10, 242, 277, 314, 400, 442, 172, , 176
ESP10, 243, 278, 316, 400, 442, 175, , 179
ESP10, 243, 278, 317, 400, 443, 179, , 183
ESP10, 243, 278, 318, 400, 443, 182, , 186
ESP10, 244, 278, 319, 400, 443, 185, , 189
ESP10, 243, 277, 318, 399, 442, 188, , 192
ESP10, 242, 276, 319, 398, 442, 191, , 195
ESP10, 243, 276, 321, 398, 442, 194, , 198
ESP10, 243, 276, 322, 399, 442, 198, , 202
ESP10, 244, 276, 323, 400, 442, 201, , 205
ESP10, 242, 273, 321, 399, 442, 204, , 208
ESP10, 247, 277, 325, 406, 444, 207, , 211
ESP10, 248, 277, 326, 406, 444, 210, , 214
ESP10, 247, 276, 326, 405, 443, 213, , 217
ESP10, 246, 276, 324, 411, 442, 217, , 221
ESP10, 246, 277, 325, 413, 442, 220, , 224
ESP10, 246, 279, 326, 415, 442, 223, , 227
ESP10, 247, 280, 326, 417, 443, 226, , 230
ESP10, 246, 277, 324, 415, 441, 229, , 233
ESP10, 243, 276, 323, 413, 441, 232, , 236
ESP10, 242, 273, 321, 412, 440, 236, , 240
ESP10, 249, 282, 328, 418, 444, 239, , 243
ESP10, 249, 281, 327, 417, 443, 242, , 246
ESP10, 252, 283, 327, 418, 444, 245, , 249
ESP10, 252, 284, 326, 417, 444, 248, , 252
ESP10, 253, 286, 326, 417, 444, 251, , 255
ESP10, 256, 289, 328, 418, 446, 254, , 258
ESP10, 255, 288, 327, 415, 444, 258, , 262
ESP10, 258, 290, 329, 417, 445, 261, , 265
ESP10, 261, 291, 329, 418, 446, 264, , 268
ESP10, 260, 292, 329, 417, 445, 267, , 271
ESP10, 256, 290, 328, 413, 442, 270, , 274
ESP10, 259, 293, 334, 418, 444, 273, , 277
ESP10, 260, 294, 336, 419, 445, 277, , 281
ESP10, 265, 296, 342, 424, 447, 280, , 284
ESP10, 266, 297, 341, 423, 447, 283, , 287
ESP10, 268, 297, 342, 423, 447, 286, , 290
ESP10, 266, 298, 339, 420, 445, 289, , 293
ESP10, 262, 296, 334, 415, 443, 292, , 296
ESP10, 263, 295, 334, 415, 442, 296, , 300
ESP10, 260, 293, 329, 412, 439, 299, , 303
ESP10, 261, 293, 328, 413, 438, 302, , 306
ESP10, 265, 294, 330, 416, 440, 305, , 309
ESP10, 265, 294, 332, 416, 440, 308, , 312
ESP10, 264, 292, 329, 414, 438, 311, , 315
ESP10, 263, 292, 330, 414, 438, 315, , 319
ESP10, 264, 294, 333, 416, 439, 318, , 322
ESP10, 262, 291, 335, 414, 437, 321, , 325
ESP10, 267, 296, 341, 419, 441, 324, , 328
ESP10, 266, 295, 342, 418, 440, 327, , 331
ESP10, 268, 299, 348, 421, 442, 330, , 334
ESP10, 268, 298, 346, 421, 441, 333, , 337
ESP10, 266, 296, 343, 418, 439, 337, , 341
ESP10, 264, 294, 343, 415, 437, 340, , 344
ESP10, 268, 296, 347, 417, 440, 343, , 347
ESP10, 272, 299, 352, 421, 444, 346, , 350
ESP10, 273, 301, 354, 423, 445, 349, , 353
ESP10, 275, 301, 358, 424, 446, 352, , 356
ESP10, 275, 304, 359, 423, 446, 356, , 360
ESP10, 274, 301, 356, 418, 443, 359, , 363
ESP10, 270, 299, 354, 416, 440, 362, , 366
ESP10, 269, 297, 353, 414, 440, 365, , 369
ESP10, 269, 296, 353, 414, 439, 368, , 372
ESP10, 266, 293, 353, 411, 437, 371, , 375
ESP10, 267, 294, 356, 412, 438, 375, , 379
ESP10, 268, 296, 358, 414, 438, 378, , 382
ESP10, 274, 302, 363, 420, 444, 381, , 385
ESP10, 275, 304, 364, 421, 445, 384, , 388
ESP10, 275, 304, 364, 421, 446, 387, , 391
ESP10, 276, 303, 364, 421, 445, 390, , 394
ESP10, 276, 305, 364, 421, 446, 394, , 398
ESP10, 276, 306, 364, 421, 446, 397, , 401
ESP10, 275, 306, 364, 421, 446, 400, , 404
ESP10, 274, 305, 363, 421, 445, 403, , 407
ESP10, 271, 302, 359, 417, 442, 406, , 410
ESP10, 273, 305, 361, 419, 444, 409, , 413
ESP10, 274, 310, 362, 421, 445, 412, , 416
ESP10, 278, 316, 366, 425, 448, 416, , 420
ESP10, 278, 315, 366, 424, 447, 419, , 423
ESP10, 279, 316, 368, 425, 447, 422, , 426
ESP10, 280, 317, 370, 428, 448, 425, , 429
ESP10, 280, 318, 371, 428, 448, 428, , 432
ESP10, 281, 318, 371, 429, 448, 431, , 435
ESP10, 282, 318, 372, 429, 448, 435, , 439
ESP10, 284, 320, 375, 431, 451, 438, , 442
ESP10, 283, 320, 375, 431, 450, 441, , 445
ESP10, 285, 322, 377, 431, 449, 444, , 448
ESP10, 286, 326, 378, 432, 450, 447, , 451
ESP10, 287, 327, 381, 432, 450, 450, , 454
ESP10, 287, 327, 381, 432, 450, 454, , 458
ESP10, 285, 323, 379, 430, 448, 457, , 461
ESP10, 287, 324, 379, 430, 448, 460, , 464
ESP10, 290, 327, 383, 432, 452, 463, , 467
ESP10, 290, 327, 383, 431, 452, 466, , 470
ESP10, 290, 328, 383, 430, 452, 469, , 473
ESP10, 292, 330, 385, 431, 453, 473, , 477
ESP10, 292, 333, 385, 431, 454, 476, , 480
ESP10, 291, 331, 383, 430, 453, 479, , 483
ESP10, 291, 330, 383, 430, 453, 482, , 486
ESP10, 292, 329, 382, 429, 455, 485, , 489
ESP10, 287, 323, 377, 424, 449, 488, , 492
ESP10, 286, 322, 378, 423, 447, 491, , 495
ESP10, 283, 324, 375, 420, 446, 495, , 499
ESP10, 279, 323, 372, 416, 444, 498, , 502
ESP10, 283, 330, 378, 421, 451, 501, , 505
ESP10, 288, 336, 388, 427, 457, 504, , 508
ESP10, 281, 330, 381, 422, 451, 507, , 511
ESP10, 285, 335, 385, 426, 457, 510, , 514
ESP10, 280, 333, 380, 422, 454, 514, , 518
ESP10, 279, 334, 379, 426, 454, 517, , 521
ESP10, 282, 338, 381, 430, 457, 520, , 524
ESP10, 287, 341, 386, 433, 459, 523, , 527
ESP10, 290, 345, 389, 437, 463, 526, , 530
ESP10, 297, 349, 395, 441, 465, 529, , 533
ESP10, 297, 349, 394, 442, 463, 533, , 537
ESP10, 295, 347, 394, 440, 463, 536, , 540
ESP10, 293, 344, 393, 437, 461, 539, , 543
ESP10, 292, 342, 390, 434, 458, 542, , 546
ESP10, 294, 342, 390, 435, 458, 545, , 549
ESP10, 291, 339, 389, 431, 459, 548, , 552
ESP10, 289, 336, 385, 428, 455, 552, , 556
ESP10, 283, 329, 379, 421, 448, 555, , 559
ESP10, 274, 317, 369, 410, 437, 558, , 562
ESP10, 273, 313, 366, 408, 434, 561, , 565
ESP10, 274, 312, 365, 411, 433, 564, , 568
ESP10, 274, 310, 364, 411, 431, 567, , 571
ESP10, 277, 310, 364, 410, 431, 571, , 575
ESP10, 281, 313, 367, 414, 436, 574, , 578
ESP10, 286, 317, 372, 417, 441, 577, , 581
ESP10, 287, 318, 373, 417, 442, 580, , 584
ESP10, 292, 326, 377, 421, 448, 583, , 587
ESP10, 295, 327, 378, 424, 449, 586, , 590
ESP10, 290, 322, 375, 421, 445, 589, , 593
ESP10, 289, 319, 374, 419, 443, 593, , 597
ESP10, 290, 318, 372, 418, 445, 596, , 600
ESP10, 284, 310, 367, 410, 436, 599, , 603
ESP10, 285, 313, 366, 409, 434, 602, , 606
ESP10, 286, 318, 372, 409, 435, 605, , 609
ESP10, 289, 318, 369, 409, 436, 608, , 612
ESP10, 294, 320, 376, 412, 439, 612, , 616
ESP10, 293, 325, 376, 413, 437, 615, , 619
ESP10, 293, 322, 371, 406, 432, 618, , 622
ESP10, 292, 321, 374, 405, 431, 621, , 625
ESP10, 303, 335, 383, 418, 442, 624, , 628
ESP10, 299, 333, 384, 414, 438, 627, , 631
ESP10, 304, 340, 388, 418, 442, 631, , 635
ESP10, 317, 352, 400, 432, 459, 634, , 638
ESP10, 324, 352, 399, 439, 461, 637, , 641
ESP10, 328, 354, 401, 441, 465, 640, , 644
ESP10, 329, 361, 401, 446, 467, 643, , 647
ESP10, 334, 364, 403, 448, 473, 646, , 650
ESP10, 336, 365, 406, 454, 476, 650, , 654
ESP10, 336, 366, 409, 465, 480, 653, , 657
ESP10, 336, 366, 410, 467, 483, 656, , 660
ESP10, 332, 360, 410, 462, 479, 659, , 663
ESP10, 337, 365, 417, 464, 482, 662, , 666
ESP10, 332, 362, 413, 462, 480, 665, , 669
ESP10, 324, 354, 410, 454, 473, 668, , 672
ESP10, 322, 355, 410, 452, 471, 672, , 676
ESP10, 325, 356, 412, 452, 472, 675, , 679
ESP10, 330, 359, 414, 455, 476, 678, , 682
ESP10, 340, 369, 418, 459, 481, 681, , 685
ESP10, 340, 375, 416, 457, 483, 684, , 688
ESP10, 339, 378, 420, 456, 487, 687, , 691
ESP10, 353, 391, 428, 464, 495, 691, , 695
ESP10, 353, 393, 431, 466, 493, 694, , 698
ESP10, 355, 392, 432, 465, 492, 697, , 701
ESP10, 361, 394, 436, 467, 493, 700, , 704
ESP10, 364, 394, 436, 471, 493, 703, , 707
ESP10, 371, 401, 443, 472, 494, 706, , 710
ESP10, 372, 404, 446, 473, 496, 710, , 714
ESP10, 379, 407, 451, 476, 498, 713, , 717
ESP10, 377, 409, 447, 473, 494, 716, , 720
ESP10, 379, 408, 449, 472, 496, 719, , 723
ESP10, 387, 413, 453, 477, 497, 722, , 726
ESP10, 396, 418, 455, 481, 498, 725, , 729
ESP10, 404, 431, 464, 490, 506, 729, , 733
ESP10, 407, 433, 466, 492, 508, 732, , 736
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/ARLW1N_SQIN.ESPF10.csv
ARLW1N_SQIN.ESPF0.csv|2026-04-29
ARLW1N_SQIN.ESPF10.csv|2026-04-29
ARLW1N_SQIN.ESPFM.csv|2026-04-29
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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