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Archive:
Water Year
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NF STILLAGUAMISH - NEAR ARLINGTON
(
ARGW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-09-20
Issued:
2026-09-20
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
218
218
51
219
428
APR-JUL
192
192
52
192
371
APR-AUG
206
206
52
206
395
JAN-SEP
725
725
80
726
902
JAN-JUL
700
700
83
700
846
OCT-SEP
1339
1339
97
1340
1377
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-09-20
Issued:
2026-09-20
Hide Forecast
APR-SEP
216
217
51
223
428
APR-JUL
192
192
52
192
371
APR-AUG
206
206
52
206
395
JAN-SEP
724
724
80
730
902
JAN-JUL
700
700
83
700
846
OCT-SEP
1338
1338
97
1344
1377
Reference
ESP with 0 Days QPF
Ensemble:
2026-09-20
Issued:
2026-09-20
Hide Forecast
APR-SEP
216
219
51
233
428
APR-JUL
192
192
52
192
371
APR-AUG
206
206
52
206
395
JAN-SEP
724
726
80
740
902
JAN-JUL
700
700
83
700
846
OCT-SEP
1338
1340
97
1354
1377
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 208, 260, 308, 379, 421, 70, , 74
ESP10, 208, 260, 307, 379, 421, 72, , 76
ESP10, 208, 260, 308, 379, 421, 74, , 78
ESP10, 208, 260, 308, 379, 421, 76, , 80
ESP10, 208, 260, 308, 379, 421, 77, , 81
ESP10, 208, 260, 308, 379, 421, 79, , 83
ESP10, 208, 260, 308, 379, 421, 81, , 85
ESP10, 208, 260, 308, 379, 421, 83, , 87
ESP10, 208, 260, 308, 379, 421, 85, , 89
ESP10, 208, 260, 308, 379, 420, 87, , 91
ESP10, 208, 260, 308, 379, 420, 89, , 93
ESP10, 207, 260, 308, 379, 420, 91, , 95
ESP10, 207, 260, 308, 379, 420, 92, , 96
ESP10, 207, 260, 308, 379, 420, 94, , 98
ESP10, 207, 260, 308, 379, 420, 96, , 100
ESP10, 206, 259, 307, 378, 419, 98, , 102
ESP10, 206, 259, 307, 378, 419, 100, , 104
ESP10, 206, 259, 307, 379, 419, 102, , 106
ESP10, 206, 259, 307, 378, 419, 104, , 108
ESP10, 207, 259, 307, 378, 420, 106, , 110
ESP10, 209, 259, 307, 378, 419, 108, , 112
ESP10, 214, 259, 307, 378, 419, 109, , 113
ESP10, 214, 259, 307, 378, 419, 111, , 115
ESP10, 215, 259, 307, 378, 419, 113, , 117
ESP10, 215, 259, 307, 378, 419, 115, , 119
ESP10, 215, 259, 307, 378, 419, 117, , 121
ESP10, 215, 259, 307, 378, 419, 119, , 123
ESP10, 215, 259, 307, 378, 419, 121, , 125
ESP10, 215, 259, 307, 378, 419, 123, , 127
ESP10, 215, 258, 306, 377, 418, 124, , 128
ESP10, 215, 258, 307, 377, 418, 126, , 130
ESP10, 215, 258, 307, 377, 418, 128, , 132
ESP10, 215, 258, 307, 377, 418, 130, , 134
ESP10, 218, 259, 308, 378, 419, 132, , 136
ESP10, 218, 260, 309, 378, 419, 134, , 138
ESP10, 218, 260, 311, 378, 419, 136, , 140
ESP10, 220, 260, 312, 378, 419, 138, , 142
ESP10, 220, 259, 311, 378, 418, 140, , 144
ESP10, 219, 257, 312, 376, 418, 141, , 145
ESP10, 220, 259, 315, 377, 418, 143, , 147
ESP10, 219, 258, 317, 376, 418, 145, , 149
ESP10, 223, 258, 317, 376, 419, 147, , 151
ESP10, 225, 256, 315, 374, 417, 149, , 153
ESP10, 232, 263, 320, 378, 421, 151, , 155
ESP10, 231, 262, 320, 376, 420, 153, , 157
ESP10, 230, 260, 320, 375, 419, 155, , 159
ESP10, 231, 261, 318, 376, 418, 156, , 160
ESP10, 233, 264, 322, 378, 419, 158, , 162
ESP10, 232, 265, 322, 378, 420, 160, , 164
ESP10, 233, 268, 322, 380, 424, 162, , 166
ESP10, 229, 265, 320, 377, 422, 164, , 168
ESP10, 229, 267, 319, 377, 422, 166, , 170
ESP10, 227, 271, 317, 375, 421, 168, , 172
ESP10, 235, 280, 326, 383, 427, 170, , 174
ESP10, 232, 277, 324, 380, 425, 172, , 176
ESP10, 233, 279, 325, 381, 426, 173, , 177
ESP10, 231, 277, 323, 379, 425, 175, , 179
ESP10, 231, 284, 324, 379, 426, 177, , 181
ESP10, 235, 288, 327, 381, 429, 179, , 183
ESP10, 228, 285, 321, 376, 425, 181, , 185
ESP10, 232, 289, 324, 379, 427, 183, , 187
ESP10, 232, 291, 327, 380, 428, 185, , 189
ESP10, 229, 290, 325, 378, 426, 187, , 191
ESP10, 222, 286, 318, 372, 422, 188, , 192
ESP10, 226, 289, 321, 378, 425, 190, , 194
ESP10, 228, 290, 324, 380, 428, 192, , 196
ESP10, 237, 292, 334, 389, 434, 194, , 198
ESP10, 237, 292, 334, 387, 432, 196, , 200
ESP10, 239, 296, 336, 388, 433, 198, , 202
ESP10, 233, 292, 334, 384, 430, 200, , 204
ESP10, 231, 288, 330, 377, 427, 202, , 206
ESP10, 236, 290, 331, 379, 427, 204, , 208
ESP10, 229, 287, 327, 376, 424, 205, , 209
ESP10, 229, 286, 328, 378, 424, 207, , 211
ESP10, 232, 288, 330, 386, 425, 209, , 213
ESP10, 233, 289, 330, 386, 426, 211, , 215
ESP10, 238, 288, 330, 382, 425, 213, , 217
ESP10, 242, 288, 329, 382, 425, 215, , 219
ESP10, 243, 290, 329, 382, 427, 217, , 221
ESP10, 244, 287, 327, 380, 425, 219, , 223
ESP10, 249, 292, 332, 386, 429, 220, , 224
ESP10, 248, 291, 330, 385, 428, 222, , 226
ESP10, 254, 298, 335, 389, 433, 224, , 228
ESP10, 253, 297, 338, 388, 432, 226, , 230
ESP10, 250, 293, 339, 385, 430, 228, , 232
ESP10, 246, 292, 337, 382, 429, 230, , 234
ESP10, 249, 298, 340, 384, 432, 232, , 236
ESP10, 251, 302, 342, 386, 435, 234, , 238
ESP10, 252, 303, 342, 387, 437, 236, , 240
ESP10, 253, 303, 344, 388, 439, 237, , 241
ESP10, 253, 302, 346, 389, 438, 239, , 243
ESP10, 248, 296, 340, 381, 433, 241, , 245
ESP10, 245, 293, 337, 378, 430, 243, , 247
ESP10, 244, 291, 334, 376, 429, 245, , 249
ESP10, 244, 291, 333, 375, 428, 247, , 251
ESP10, 242, 287, 330, 373, 425, 249, , 253
ESP10, 243, 292, 331, 375, 426, 251, , 255
ESP10, 245, 296, 333, 378, 427, 252, , 256
ESP10, 251, 303, 340, 383, 431, 254, , 258
ESP10, 251, 303, 341, 385, 432, 256, , 260
ESP10, 252, 302, 342, 385, 431, 258, , 262
ESP10, 258, 306, 342, 385, 431, 260, , 264
ESP10, 262, 308, 343, 386, 432, 262, , 266
ESP10, 262, 310, 344, 387, 434, 264, , 268
ESP10, 262, 311, 345, 387, 434, 266, , 270
ESP10, 261, 314, 343, 386, 432, 267, , 271
ESP10, 259, 312, 340, 383, 430, 269, , 273
ESP10, 262, 318, 343, 387, 432, 271, , 275
ESP10, 263, 322, 344, 389, 432, 273, , 277
ESP10, 267, 325, 349, 393, 435, 275, , 279
ESP10, 268, 325, 349, 393, 435, 277, , 281
ESP10, 269, 328, 349, 393, 435, 279, , 283
ESP10, 270, 329, 351, 396, 436, 281, , 285
ESP10, 271, 330, 353, 396, 437, 283, , 287
ESP10, 269, 329, 352, 395, 435, 284, , 288
ESP10, 270, 330, 353, 396, 436, 286, , 290
ESP10, 274, 337, 358, 400, 441, 288, , 292
ESP10, 273, 337, 357, 400, 440, 290, , 294
ESP10, 273, 337, 359, 400, 439, 292, , 296
ESP10, 272, 337, 359, 402, 439, 294, , 298
ESP10, 272, 337, 360, 401, 439, 296, , 300
ESP10, 272, 337, 362, 401, 439, 298, , 302
ESP10, 269, 334, 361, 398, 436, 299, , 303
ESP10, 270, 334, 363, 398, 439, 301, , 305
ESP10, 276, 340, 371, 404, 442, 303, , 307
ESP10, 276, 340, 371, 405, 442, 305, , 309
ESP10, 275, 339, 373, 404, 441, 307, , 311
ESP10, 278, 340, 375, 405, 443, 309, , 313
ESP10, 278, 341, 375, 407, 444, 311, , 315
ESP10, 278, 340, 375, 407, 443, 313, , 317
ESP10, 281, 340, 375, 408, 444, 315, , 319
ESP10, 278, 340, 373, 407, 443, 316, , 320
ESP10, 275, 337, 371, 401, 439, 318, , 322
ESP10, 274, 335, 368, 399, 438, 320, , 324
ESP10, 272, 333, 366, 396, 436, 322, , 326
ESP10, 268, 329, 362, 394, 433, 324, , 328
ESP10, 274, 334, 367, 400, 436, 326, , 330
ESP10, 280, 340, 371, 408, 439, 328, , 332
ESP10, 274, 334, 365, 402, 434, 330, , 334
ESP10, 278, 338, 371, 407, 438, 331, , 335
ESP10, 278, 332, 367, 404, 435, 333, , 337
ESP10, 279, 332, 370, 406, 436, 335, , 339
ESP10, 286, 337, 375, 414, 441, 337, , 341
ESP10, 291, 341, 378, 418, 443, 339, , 343
ESP10, 293, 345, 381, 420, 446, 341, , 345
ESP10, 295, 349, 384, 424, 448, 343, , 347
ESP10, 294, 348, 383, 423, 447, 345, , 349
ESP10, 292, 347, 380, 420, 444, 347, , 351
ESP10, 289, 344, 376, 417, 442, 348, , 352
ESP10, 287, 342, 373, 414, 440, 350, , 354
ESP10, 287, 343, 376, 415, 441, 352, , 356
ESP10, 285, 339, 374, 410, 439, 354, , 358
ESP10, 282, 334, 374, 407, 437, 356, , 360
ESP10, 278, 328, 369, 402, 432, 358, , 362
ESP10, 272, 322, 360, 394, 425, 360, , 364
ESP10, 271, 320, 355, 390, 422, 362, , 366
ESP10, 274, 320, 355, 390, 422, 363, , 367
ESP10, 277, 320, 355, 391, 424, 365, , 369
ESP10, 277, 320, 355, 390, 423, 367, , 371
ESP10, 281, 325, 361, 394, 427, 369, , 373
ESP10, 283, 332, 365, 397, 431, 371, , 375
ESP10, 286, 334, 366, 397, 434, 373, , 377
ESP10, 290, 338, 371, 401, 438, 375, , 379
ESP10, 290, 339, 373, 402, 438, 377, , 381
ESP10, 287, 335, 370, 401, 435, 379, , 383
ESP10, 288, 332, 370, 398, 434, 380, , 384
ESP10, 289, 333, 370, 399, 433, 382, , 386
ESP10, 280, 321, 360, 391, 423, 384, , 388
ESP10, 282, 318, 358, 390, 419, 386, , 390
ESP10, 288, 322, 361, 396, 420, 388, , 392
ESP10, 289, 323, 360, 395, 421, 390, , 394
ESP10, 294, 327, 363, 398, 424, 392, , 396
ESP10, 298, 328, 362, 399, 425, 394, , 398
ESP10, 301, 321, 360, 394, 419, 395, , 399
ESP10, 303, 323, 360, 398, 420, 397, , 401
ESP10, 318, 331, 365, 413, 431, 399, , 403
ESP10, 319, 334, 365, 412, 428, 401, , 405
ESP10, 324, 339, 368, 416, 432, 403, , 407
ESP10, 336, 354, 382, 428, 442, 405, , 409
ESP10, 336, 356, 381, 434, 443, 407, , 411
ESP10, 339, 360, 389, 437, 453, 409, , 413
ESP10, 339, 362, 388, 440, 455, 411, , 415
ESP10, 343, 364, 389, 442, 460, 412, , 416
ESP10, 345, 365, 395, 446, 461, 414, , 418
ESP10, 345, 365, 398, 451, 465, 416, , 420
ESP10, 345, 366, 398, 451, 467, 418, , 422
ESP10, 341, 361, 395, 446, 462, 420, , 424
ESP10, 344, 365, 396, 448, 464, 422, , 426
ESP10, 341, 363, 399, 446, 463, 424, , 428
ESP10, 333, 357, 390, 438, 458, 426, , 430
ESP10, 335, 356, 389, 439, 457, 427, , 431
ESP10, 345, 363, 394, 446, 464, 429, , 433
ESP10, 354, 371, 399, 453, 470, 431, , 435
ESP10, 360, 378, 407, 458, 477, 433, , 437
ESP10, 365, 378, 415, 457, 480, 435, , 439
ESP10, 369, 380, 418, 459, 482, 437, , 441
ESP10, 374, 391, 422, 465, 486, 439, , 443
ESP10, 374, 392, 425, 463, 485, 441, , 445
ESP10, 379, 395, 431, 462, 484, 443, , 447
ESP10, 381, 398, 433, 463, 485, 444, , 448
ESP10, 383, 400, 434, 466, 486, 446, , 450
ESP10, 390, 409, 439, 471, 491, 448, , 452
ESP10, 391, 415, 443, 475, 492, 450, , 454
ESP10, 395, 419, 445, 479, 496, 452, , 456
ESP10, 397, 420, 449, 479, 496, 454, , 458
ESP10, 398, 421, 451, 479, 498, 456, , 460
ESP10, 404, 426, 453, 479, 500, 458, , 462
ESP10, 408, 431, 455, 483, 501, 459, , 463
ESP10, 409, 434, 459, 483, 501, 461, , 465
ESP10, 410, 434, 459, 483, 501, 463, , 467
ESP10, 410, 435, 460, 485, 501, 465, , 469
ESP10, 412, 436, 464, 486, 502, 467, , 471
ESP10, 414, 435, 469, 490, 502, 469, , 473
ESP10, 415, 436, 469, 489, 502, 471, , 475
ESP10, 417, 439, 469, 492, 503, 473, , 477
ESP10, 418, 440, 472, 492, 504, 475, , 479
ESP10, 419, 441, 472, 492, 505, 476, , 480
ESP10, 418, 440, 476, 492, 506, 478, , 482
ESP10, 415, 438, 474, 492, 505, 480, , 484
ESP10, 420, 436, 473, 489, 503, 482, , 486
ESP10, 426, 439, 475, 493, 506, 484, , 488
ESP10, 429, 441, 477, 495, 505, 486, , 490
ESP10, 423, 440, 472, 488, 501, 488, , 492
ESP10, 418, 439, 467, 483, 497, 490, , 494
ESP10, 411, 433, 459, 477, 490, 491, , 495
ESP10, 413, 432, 457, 475, 487, 493, , 497
ESP10, 408, 425, 453, 470, 482, 495, , 499
ESP10, 409, 427, 458, 472, 484, 497, , 501
ESP10, 416, 434, 458, 473, 484, 499, , 503
ESP10, 415, 437, 457, 474, 483, 501, , 505
ESP10, 413, 437, 457, 474, 482, 503, , 507
ESP10, 415, 436, 455, 473, 482, 505, , 509
ESP10, 416, 435, 455, 472, 482, 507, , 511
ESP10, 420, 441, 461, 478, 486, 508, , 512
ESP10, 425, 447, 466, 480, 488, 510, , 514
ESP10, 427, 449, 466, 481, 490, 512, , 516
ESP10, 433, 452, 471, 485, 495, 514, , 518
ESP10, 433, 452, 471, 482, 493, 516, , 520
ESP10, 436, 459, 475, 484, 495, 518, , 522
ESP10, 435, 456, 473, 482, 492, 520, , 524
ESP10, 432, 451, 468, 477, 489, 522, , 526
ESP10, 435, 455, 471, 483, 492, 523, , 527
ESP10, 434, 456, 471, 484, 492, 525, , 529
ESP10, 435, 461, 474, 485, 493, 527, , 531
ESP10, 433, 460, 473, 483, 492, 529, , 533
ESP10, 426, 456, 468, 478, 486, 531, , 535
ESP10, 435, 465, 477, 486, 495, 533, , 537
ESP10, 425, 457, 468, 477, 488, 535, , 539
ESP10, 424, 456, 467, 475, 486, 537, , 541
ESP10, 424, 457, 469, 476, 487, 539, , 543
ESP10, 418, 452, 464, 472, 481, 540, , 544
ESP10, 411, 445, 457, 465, 474, 542, , 546
ESP10, 415, 446, 458, 465, 475, 544, , 548
ESP10, 414, 446, 457, 465, 474, 546, , 550
ESP10, 415, 448, 458, 465, 475, 548, , 552
ESP10, 416, 448, 458, 465, 475, 550, , 554
ESP10, 417, 448, 459, 466, 475, 552, , 556
ESP10, 419, 448, 459, 466, 475, 554, , 558
ESP10, 420, 448, 459, 466, 475, 555, , 559
ESP10, 420, 448, 461, 467, 475, 557, , 561
ESP10, 420, 451, 461, 467, 475, 559, , 563
ESP10, 421, 449, 460, 466, 474, 561, , 565
ESP10, 419, 446, 458, 464, 472, 563, , 567
ESP10, 418, 448, 457, 464, 471, 565, , 569
ESP10, 426, 450, 458, 467, 472, 567, , 571
ESP10, 427, 448, 456, 465, 473, 569, , 573
ESP10, 428, 450, 457, 466, 474, 571, , 575
ESP10, 430, 451, 459, 468, 475, 572, , 576
ESP10, 429, 451, 457, 467, 474, 574, , 578
ESP10, 429, 451, 457, 467, 474, 576, , 580
ESP10, 433, 449, 457, 466, 473, 578, , 582
ESP10, 434, 450, 456, 466, 473, 580, , 584
ESP10, 435, 450, 457, 466, 473, 582, , 586
ESP10, 435, 450, 458, 467, 473, 584, , 588
ESP10, 434, 449, 458, 466, 473, 586, , 590
ESP10, 434, 448, 457, 465, 472, 587, , 591
ESP10, 437, 452, 461, 468, 475, 589, , 593
ESP10, 437, 452, 461, 468, 475, 591, , 595
ESP10, 437, 452, 461, 469, 475, 593, , 597
ESP10, 437, 453, 462, 469, 475, 595, , 599
ESP10, 437, 454, 462, 469, 475, 597, , 601
ESP10, 437, 455, 462, 469, 475, 599, , 603
ESP10, 437, 455, 462, 469, 475, 601, , 605
ESP10, 437, 454, 462, 470, 475, 602, , 606
ESP10, 437, 454, 462, 470, 475, 604, , 608
ESP10, 437, 454, 462, 470, 475, 606, , 610
ESP10, 437, 455, 462, 470, 475, 608, , 612
ESP10, 438, 455, 463, 471, 476, 610, , 614
ESP10, 439, 455, 463, 471, 476, 612, , 616
ESP10, 439, 455, 463, 471, 476, 614, , 618
ESP10, 438, 455, 464, 471, 476, 616, , 620
ESP10, 438, 455, 464, 471, 476, 618, , 622
ESP10, 439, 456, 464, 472, 476, 619, , 623
ESP10, 438, 456, 464, 472, 476, 621, , 625
ESP10, 438, 456, 464, 472, 476, 623, , 627
ESP10, 438, 456, 464, 472, 476, 625, , 629
ESP10, 438, 456, 464, 472, 476, 627, , 631
ESP10, 438, 456, 465, 472, 476, 629, , 633
ESP10, 439, 457, 464, 472, 476, 631, , 635
ESP10, 439, 460, 465, 472, 476, 633, , 637
ESP10, 440, 459, 465, 472, 476, 634, , 638
ESP10, 440, 459, 465, 472, 476, 636, , 640
ESP10, 439, 459, 464, 472, 476, 638, , 642
ESP10, 439, 459, 465, 471, 475, 640, , 644
ESP10, 439, 459, 465, 471, 475, 642, , 646
ESP10, 436, 456, 463, 469, 473, 644, , 648
ESP10, 436, 456, 463, 469, 473, 646, , 650
ESP10, 438, 456, 463, 469, 474, 648, , 652
ESP10, 438, 456, 464, 471, 474, 650, , 654
ESP10, 439, 456, 464, 471, 474, 651, , 655
ESP10, 439, 456, 465, 471, 474, 653, , 657
ESP10, 437, 456, 464, 471, 473, 655, , 659
ESP10, 437, 456, 464, 471, 473, 657, , 661
ESP10, 436, 456, 464, 470, 473, 659, , 663
ESP10, 438, 457, 465, 471, 474, 661, , 665
ESP10, 438, 457, 466, 472, 474, 663, , 667
ESP10, 438, 457, 465, 472, 474, 665, , 669
ESP10, 438, 457, 465, 473, 474, 666, , 670
ESP10, 438, 456, 465, 472, 474, 668, , 672
ESP10, 439, 456, 466, 473, 474, 670, , 674
ESP10, 438, 456, 466, 473, 474, 672, , 676
ESP10, 439, 458, 466, 473, 474, 674, , 678
ESP10, 441, 458, 467, 473, 474, 676, , 680
ESP10, 441, 458, 467, 473, 474, 678, , 682
ESP10, 445, 459, 467, 473, 474, 680, , 684
ESP10, 447, 459, 467, 473, 474, 682, , 686
ESP10, 445, 457, 466, 472, 473, 683, , 687
ESP10, 442, 455, 466, 470, 472, 685, , 689
ESP10, 441, 455, 465, 470, 472, 687, , 691
ESP10, 435, 452, 461, 466, 468, 689, , 693
ESP10, 441, 457, 466, 470, 471, 691, , 695
ESP10, 437, 457, 463, 467, 469, 693, , 697
ESP10, 440, 459, 465, 469, 470, 695, , 699
ESP10, 439, 458, 465, 468, 469, 697, , 701
ESP10, 445, 459, 467, 470, 470, 698, , 702
ESP10, 449, 462, 469, 472, 472, 700, , 704
ESP10, 447, 461, 467, 470, 471, 702, , 706
ESP10, 444, 459, 466, 468, 470, 704, , 708
ESP10, 449, 464, 469, 471, 472, 706, , 710
ESP10, 452, 464, 470, 472, 473, 708, , 712
ESP10, 457, 464, 470, 472, 472, 710, , 714
ESP10, 458, 465, 471, 472, 472, 712, , 716
ESP10, 462, 466, 471, 472, 472, 714, , 718
ESP10, 461, 466, 470, 472, 472, 715, , 719
ESP10, 463, 467, 471, 472, 472, 717, , 721
ESP10, 463, 467, 472, 472, 472, 719, , 723
ESP10, 463, 467, 472, 472, 472, 721, , 725
ESP10, 464, 469, 471, 472, 472, 723, , 727
ESP10, 465, 469, 471, 472, 472, 725, , 729
ESP10, 467, 470, 471, 472, 472, 727, , 731
ESP10, 468, 471, 472, 472, 472, 729, , 733
ESP10, 470, 471, 471, 472, 472, 730, , 734
ESP10, 471, 471, 471, 472, 472, 732, , 736
ESP10, 470, 470, 471, 471, 471, 734, , 738
Max Scale
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Show Min/Max Ensemble Volume
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/ARGW1N_SQIN.ESPF10.csv
ARGW1N_SQIN.ESPF0.csv|2026-09-20
ARGW1N_SQIN.ESPF10.csv|2026-09-20
ARGW1N_SQIN.ESPFM.csv|2026-09-20
APR-SEP
NF STILLAGUAMISH - NEAR ARLINGTON
(
ARGW1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-09-20
Issued:
2026-09-20
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
296
438
102
618
428
APR-JUL
256
383
103
555
371
APR-AUG
275
404
102
583
395
JAN-SEP
714
934
104
1137
902
JAN-JUL
659
858
101
1072
846
OCT-SEP
1030
1341
97
1615
1377
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/natural/ARGW1N_SQIN.ESPF10.csv
ARGW1N_SQIN.ESPF0.csv|2026-09-20
ARGW1N_SQIN.ESPF10.csv|2026-09-20
ARGW1N_SQIN.ESPFM.csv|2026-09-20
APR-SEP
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#F00007
#66CCFF
ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
