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Archive:
Water Year
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ISSAQUAH CREEK - NEAR MOUTH
(
ISSW1
)
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
17
17
64
17
26
APR-JUL
14
14
62
14
23
APR-AUG
15
15
63
15
25
JAN-SEP
51
51
78
51
66
JAN-JUL
49
49
78
49
62
OCT-SEP
86
86
92
86
94
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-09-20
Issued:
2026-09-20
Hide Forecast
APR-SEP
17
17
64
17
26
APR-JUL
14
14
62
14
23
APR-AUG
15
15
63
15
25
JAN-SEP
51
51
78
52
66
JAN-JUL
49
49
78
49
62
OCT-SEP
86
86
92
87
94
Reference
ESP with 0 Days QPF
Ensemble:
2026-09-20
Issued:
2026-09-20
Hide Forecast
APR-SEP
17
17
64
17
26
APR-JUL
14
14
62
14
23
APR-AUG
15
15
63
15
25
JAN-SEP
51
51
78
52
66
JAN-JUL
49
49
78
49
62
OCT-SEP
86
86
92
87
94
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 233, 291, 374, 418, 442, 70, , 74
ESP10, 234, 291, 374, 417, 442, 72, , 76
ESP10, 234, 291, 374, 418, 442, 74, , 78
ESP10, 234, 291, 374, 417, 442, 76, , 80
ESP10, 234, 291, 374, 417, 442, 77, , 81
ESP10, 234, 291, 374, 418, 442, 79, , 83
ESP10, 234, 291, 374, 417, 441, 81, , 85
ESP10, 234, 291, 374, 418, 442, 83, , 87
ESP10, 234, 291, 374, 418, 444, 85, , 89
ESP10, 233, 291, 374, 417, 443, 87, , 91
ESP10, 234, 291, 374, 417, 443, 89, , 93
ESP10, 233, 291, 374, 417, 442, 91, , 95
ESP10, 233, 291, 374, 417, 442, 92, , 96
ESP10, 233, 291, 373, 416, 442, 94, , 98
ESP10, 232, 291, 373, 416, 440, 96, , 100
ESP10, 231, 290, 370, 415, 440, 98, , 102
ESP10, 231, 289, 369, 415, 440, 100, , 104
ESP10, 231, 290, 371, 416, 440, 102, , 106
ESP10, 232, 290, 372, 416, 441, 104, , 108
ESP10, 231, 291, 372, 416, 441, 106, , 110
ESP10, 231, 290, 369, 415, 441, 108, , 112
ESP10, 231, 290, 367, 414, 440, 109, , 113
ESP10, 230, 289, 365, 414, 440, 111, , 115
ESP10, 232, 291, 370, 416, 441, 113, , 117
ESP10, 232, 292, 371, 418, 442, 115, , 119
ESP10, 231, 292, 369, 416, 441, 117, , 121
ESP10, 232, 293, 369, 416, 441, 119, , 123
ESP10, 233, 293, 369, 416, 441, 121, , 125
ESP10, 232, 291, 367, 415, 440, 123, , 127
ESP10, 231, 290, 365, 414, 440, 124, , 128
ESP10, 231, 290, 364, 413, 439, 126, , 130
ESP10, 231, 290, 364, 413, 439, 128, , 132
ESP10, 231, 290, 363, 413, 439, 130, , 134
ESP10, 232, 291, 366, 414, 441, 132, , 136
ESP10, 233, 291, 367, 414, 441, 134, , 138
ESP10, 233, 291, 367, 415, 442, 136, , 140
ESP10, 232, 291, 367, 415, 442, 138, , 142
ESP10, 232, 291, 366, 415, 442, 140, , 144
ESP10, 233, 291, 367, 416, 442, 141, , 145
ESP10, 232, 290, 365, 416, 442, 143, , 147
ESP10, 233, 291, 366, 416, 442, 145, , 149
ESP10, 234, 290, 365, 416, 442, 147, , 151
ESP10, 234, 291, 366, 416, 442, 149, , 153
ESP10, 234, 292, 368, 417, 442, 151, , 155
ESP10, 233, 290, 363, 415, 441, 153, , 157
ESP10, 233, 291, 364, 415, 441, 155, , 159
ESP10, 232, 290, 364, 414, 440, 156, , 160
ESP10, 233, 291, 366, 415, 441, 158, , 162
ESP10, 234, 291, 365, 415, 441, 160, , 164
ESP10, 234, 291, 365, 415, 442, 162, , 166
ESP10, 234, 291, 364, 415, 441, 164, , 168
ESP10, 233, 290, 363, 414, 441, 166, , 170
ESP10, 234, 291, 363, 415, 441, 168, , 172
ESP10, 236, 292, 365, 417, 442, 170, , 174
ESP10, 236, 291, 365, 416, 442, 172, , 176
ESP10, 236, 292, 365, 417, 442, 173, , 177
ESP10, 236, 291, 363, 416, 442, 175, , 179
ESP10, 236, 291, 363, 417, 442, 177, , 181
ESP10, 236, 291, 364, 417, 444, 179, , 183
ESP10, 234, 290, 360, 415, 442, 181, , 185
ESP10, 232, 288, 357, 413, 439, 183, , 187
ESP10, 232, 288, 357, 413, 440, 185, , 189
ESP10, 231, 287, 357, 413, 439, 187, , 191
ESP10, 229, 285, 356, 412, 437, 188, , 192
ESP10, 229, 285, 356, 412, 437, 190, , 194
ESP10, 229, 285, 356, 413, 437, 192, , 196
ESP10, 231, 287, 359, 415, 440, 194, , 198
ESP10, 229, 285, 356, 413, 438, 196, , 200
ESP10, 228, 284, 355, 413, 437, 198, , 202
ESP10, 227, 283, 355, 412, 436, 200, , 204
ESP10, 228, 284, 355, 413, 437, 202, , 206
ESP10, 228, 284, 355, 412, 436, 204, , 208
ESP10, 228, 284, 354, 412, 436, 205, , 209
ESP10, 229, 284, 355, 413, 437, 207, , 211
ESP10, 230, 285, 355, 413, 438, 209, , 213
ESP10, 231, 285, 354, 412, 437, 211, , 215
ESP10, 231, 286, 354, 412, 437, 213, , 217
ESP10, 230, 286, 353, 411, 437, 215, , 219
ESP10, 229, 286, 353, 410, 436, 217, , 221
ESP10, 230, 286, 352, 409, 435, 219, , 223
ESP10, 233, 289, 354, 412, 438, 220, , 224
ESP10, 234, 290, 355, 413, 439, 222, , 226
ESP10, 236, 290, 356, 415, 440, 224, , 228
ESP10, 238, 291, 356, 416, 441, 226, , 230
ESP10, 236, 290, 356, 415, 440, 228, , 232
ESP10, 235, 290, 355, 415, 439, 230, , 234
ESP10, 237, 292, 357, 417, 440, 232, , 236
ESP10, 237, 291, 358, 416, 442, 234, , 238
ESP10, 237, 291, 359, 418, 442, 236, , 240
ESP10, 237, 291, 360, 418, 442, 237, , 241
ESP10, 237, 292, 361, 418, 442, 239, , 243
ESP10, 235, 290, 360, 417, 441, 241, , 245
ESP10, 234, 289, 359, 416, 440, 243, , 247
ESP10, 239, 294, 363, 422, 445, 245, , 249
ESP10, 238, 293, 363, 421, 445, 247, , 251
ESP10, 236, 293, 362, 420, 444, 249, , 253
ESP10, 237, 294, 363, 420, 445, 251, , 255
ESP10, 238, 295, 364, 421, 446, 252, , 256
ESP10, 238, 295, 363, 421, 446, 254, , 258
ESP10, 238, 297, 364, 421, 446, 256, , 260
ESP10, 238, 298, 365, 421, 446, 258, , 262
ESP10, 241, 303, 367, 423, 448, 260, , 264
ESP10, 242, 304, 368, 424, 448, 262, , 266
ESP10, 243, 305, 369, 424, 449, 264, , 268
ESP10, 244, 304, 369, 425, 449, 266, , 270
ESP10, 242, 303, 370, 424, 448, 267, , 271
ESP10, 242, 302, 370, 424, 447, 269, , 273
ESP10, 242, 303, 370, 425, 447, 271, , 275
ESP10, 243, 304, 371, 427, 448, 273, , 277
ESP10, 246, 306, 373, 429, 452, 275, , 279
ESP10, 245, 304, 372, 428, 451, 277, , 281
ESP10, 247, 306, 375, 431, 454, 279, , 283
ESP10, 247, 305, 375, 430, 455, 281, , 285
ESP10, 251, 310, 379, 434, 459, 283, , 287
ESP10, 249, 309, 378, 433, 457, 284, , 288
ESP10, 244, 306, 375, 428, 454, 286, , 290
ESP10, 242, 305, 373, 426, 452, 288, , 292
ESP10, 242, 310, 376, 426, 453, 290, , 294
ESP10, 244, 312, 379, 430, 455, 292, , 296
ESP10, 244, 311, 381, 429, 454, 294, , 298
ESP10, 254, 323, 395, 443, 464, 296, , 300
ESP10, 252, 321, 394, 441, 462, 298, , 302
ESP10, 248, 317, 394, 438, 459, 299, , 303
ESP10, 252, 317, 394, 441, 460, 301, , 305
ESP10, 260, 319, 395, 443, 462, 303, , 307
ESP10, 263, 320, 393, 444, 463, 305, , 309
ESP10, 261, 314, 388, 440, 459, 307, , 311
ESP10, 267, 320, 393, 448, 467, 309, , 313
ESP10, 268, 317, 391, 447, 465, 311, , 315
ESP10, 273, 322, 395, 451, 470, 313, , 317
ESP10, 275, 323, 396, 453, 478, 315, , 319
ESP10, 278, 326, 398, 456, 486, 316, , 320
ESP10, 270, 319, 389, 448, 478, 318, , 322
ESP10, 271, 324, 390, 450, 480, 320, , 324
ESP10, 269, 324, 387, 453, 477, 322, , 326
ESP10, 262, 315, 378, 447, 467, 324, , 328
ESP10, 262, 316, 378, 447, 468, 326, , 330
ESP10, 268, 326, 389, 457, 476, 328, , 332
ESP10, 259, 314, 374, 445, 464, 330, , 334
ESP10, 264, 319, 381, 452, 470, 331, , 335
ESP10, 259, 317, 373, 444, 464, 333, , 337
ESP10, 265, 324, 382, 450, 470, 335, , 339
ESP10, 264, 323, 380, 450, 467, 337, , 341
ESP10, 273, 337, 389, 462, 481, 339, , 343
ESP10, 277, 340, 392, 466, 484, 341, , 345
ESP10, 284, 345, 399, 470, 488, 343, , 347
ESP10, 283, 339, 400, 464, 483, 345, , 349
ESP10, 284, 336, 397, 464, 481, 347, , 351
ESP10, 284, 336, 392, 458, 477, 348, , 352
ESP10, 282, 335, 390, 454, 475, 350, , 354
ESP10, 284, 339, 395, 456, 481, 352, , 356
ESP10, 277, 329, 389, 448, 475, 354, , 358
ESP10, 275, 329, 391, 444, 473, 356, , 360
ESP10, 262, 319, 382, 433, 463, 358, , 362
ESP10, 248, 307, 372, 423, 452, 360, , 364
ESP10, 240, 295, 361, 413, 439, 362, , 366
ESP10, 223, 276, 347, 398, 421, 363, , 367
ESP10, 229, 284, 353, 407, 427, 365, , 369
ESP10, 211, 267, 342, 391, 412, 367, , 371
ESP10, 232, 289, 364, 414, 434, 369, , 373
ESP10, 231, 293, 364, 412, 433, 371, , 375
ESP10, 231, 293, 363, 415, 432, 373, , 377
ESP10, 231, 287, 356, 412, 426, 375, , 379
ESP10, 221, 274, 345, 399, 419, 377, , 381
ESP10, 225, 275, 347, 397, 427, 379, , 383
ESP10, 219, 266, 340, 392, 419, 380, , 384
ESP10, 209, 258, 333, 386, 413, 382, , 386
ESP10, 205, 259, 331, 384, 413, 384, , 388
ESP10, 201, 263, 328, 382, 410, 386, , 390
ESP10, 202, 263, 330, 383, 412, 388, , 392
ESP10, 215, 264, 331, 389, 416, 390, , 394
ESP10, 220, 262, 334, 388, 415, 392, , 396
ESP10, 232, 272, 336, 386, 421, 394, , 398
ESP10, 221, 267, 327, 374, 410, 395, , 399
ESP10, 224, 273, 329, 375, 405, 397, , 401
ESP10, 239, 294, 349, 392, 419, 399, , 403
ESP10, 230, 280, 330, 376, 405, 401, , 405
ESP10, 250, 293, 350, 398, 416, 403, , 407
ESP10, 275, 315, 368, 418, 439, 405, , 409
ESP10, 288, 323, 368, 421, 443, 407, , 411
ESP10, 291, 321, 371, 416, 437, 409, , 413
ESP10, 296, 326, 373, 424, 438, 411, , 415
ESP10, 297, 330, 382, 426, 445, 412, , 416
ESP10, 301, 337, 395, 433, 449, 414, , 418
ESP10, 299, 337, 402, 438, 450, 416, , 420
ESP10, 300, 344, 406, 441, 452, 418, , 422
ESP10, 293, 339, 407, 440, 451, 420, , 424
ESP10, 299, 349, 416, 442, 453, 422, , 426
ESP10, 285, 348, 409, 440, 452, 424, , 428
ESP10, 273, 337, 400, 437, 449, 426, , 430
ESP10, 280, 340, 399, 429, 443, 427, , 431
ESP10, 338, 396, 452, 480, 492, 429, , 433
ESP10, 336, 396, 451, 479, 491, 431, , 435
ESP10, 362, 409, 460, 484, 495, 433, , 437
ESP10, 379, 421, 466, 484, 495, 435, , 439
ESP10, 384, 422, 465, 481, 492, 437, , 441
ESP10, 379, 414, 462, 478, 489, 439, , 443
ESP10, 383, 422, 464, 479, 490, 441, , 445
ESP10, 390, 421, 461, 477, 488, 443, , 447
ESP10, 399, 424, 462, 477, 488, 444, , 448
ESP10, 405, 431, 461, 475, 486, 446, , 450
ESP10, 402, 435, 458, 474, 485, 448, , 452
ESP10, 396, 435, 455, 469, 480, 450, , 454
ESP10, 386, 432, 451, 465, 476, 452, , 456
ESP10, 393, 437, 454, 465, 476, 454, , 458
ESP10, 387, 430, 449, 460, 470, 456, , 460
ESP10, 391, 429, 452, 460, 470, 458, , 462
ESP10, 404, 432, 454, 463, 471, 459, , 463
ESP10, 394, 422, 443, 452, 461, 461, , 465
ESP10, 392, 422, 443, 453, 461, 463, , 467
ESP10, 391, 422, 444, 452, 461, 465, , 469
ESP10, 396, 427, 445, 455, 463, 467, , 471
ESP10, 396, 429, 446, 456, 466, 469, , 473
ESP10, 397, 429, 448, 457, 467, 471, , 475
ESP10, 401, 431, 449, 459, 468, 473, , 477
ESP10, 402, 433, 452, 459, 469, 475, , 479
ESP10, 402, 433, 452, 460, 469, 476, , 480
ESP10, 405, 435, 452, 461, 468, 478, , 482
ESP10, 403, 434, 452, 461, 468, 480, , 484
ESP10, 406, 435, 453, 462, 469, 482, , 486
ESP10, 407, 435, 454, 462, 470, 484, , 488
ESP10, 406, 435, 453, 462, 470, 486, , 490
ESP10, 420, 445, 464, 473, 479, 488, , 492
ESP10, 412, 442, 462, 471, 477, 490, , 494
ESP10, 413, 442, 462, 471, 477, 491, , 495
ESP10, 422, 446, 465, 473, 479, 493, , 497
ESP10, 418, 444, 464, 472, 477, 495, , 499
ESP10, 422, 445, 465, 473, 478, 497, , 501
ESP10, 426, 447, 465, 473, 479, 499, , 503
ESP10, 428, 447, 462, 471, 475, 501, , 505
ESP10, 421, 446, 460, 469, 474, 503, , 507
ESP10, 434, 448, 460, 469, 475, 505, , 509
ESP10, 434, 449, 460, 469, 475, 507, , 511
ESP10, 437, 451, 462, 471, 476, 508, , 512
ESP10, 439, 453, 463, 471, 476, 510, , 514
ESP10, 442, 453, 463, 471, 476, 512, , 516
ESP10, 442, 454, 464, 471, 477, 514, , 518
ESP10, 442, 454, 463, 470, 475, 516, , 520
ESP10, 445, 457, 467, 472, 476, 518, , 522
ESP10, 448, 456, 467, 472, 475, 520, , 524
ESP10, 444, 454, 463, 470, 473, 522, , 526
ESP10, 447, 457, 466, 470, 473, 523, , 527
ESP10, 448, 459, 466, 471, 475, 525, , 529
ESP10, 448, 459, 466, 472, 475, 527, , 531
ESP10, 447, 459, 466, 470, 473, 529, , 533
ESP10, 445, 458, 464, 469, 472, 531, , 535
ESP10, 448, 461, 467, 471, 475, 533, , 537
ESP10, 446, 461, 465, 470, 474, 535, , 539
ESP10, 443, 458, 462, 467, 471, 537, , 541
ESP10, 439, 454, 458, 463, 467, 539, , 543
ESP10, 418, 433, 438, 442, 446, 540, , 544
ESP10, 429, 444, 449, 454, 457, 542, , 546
ESP10, 431, 446, 450, 456, 458, 544, , 548
ESP10, 423, 438, 442, 449, 451, 546, , 550
ESP10, 424, 438, 444, 449, 452, 548, , 552
ESP10, 425, 439, 444, 450, 452, 550, , 554
ESP10, 427, 441, 446, 452, 455, 552, , 556
ESP10, 428, 441, 447, 452, 455, 554, , 558
ESP10, 429, 442, 447, 453, 456, 555, , 559
ESP10, 429, 442, 448, 453, 456, 557, , 561
ESP10, 429, 443, 448, 454, 456, 559, , 563
ESP10, 429, 443, 447, 453, 456, 561, , 565
ESP10, 429, 443, 447, 453, 456, 563, , 567
ESP10, 432, 445, 449, 456, 458, 565, , 569
ESP10, 434, 447, 451, 458, 460, 567, , 571
ESP10, 433, 447, 451, 457, 459, 569, , 573
ESP10, 433, 447, 451, 457, 460, 571, , 575
ESP10, 433, 447, 451, 457, 459, 572, , 576
ESP10, 434, 448, 452, 458, 460, 574, , 578
ESP10, 434, 448, 452, 457, 460, 576, , 580
ESP10, 436, 448, 452, 458, 460, 578, , 582
ESP10, 436, 448, 452, 458, 460, 580, , 584
ESP10, 436, 448, 452, 458, 460, 582, , 586
ESP10, 437, 448, 452, 458, 460, 584, , 588
ESP10, 438, 448, 452, 457, 460, 586, , 590
ESP10, 439, 448, 453, 458, 460, 587, , 591
ESP10, 439, 448, 453, 458, 460, 589, , 593
ESP10, 439, 449, 453, 458, 460, 591, , 595
ESP10, 439, 449, 453, 458, 461, 593, , 597
ESP10, 439, 449, 453, 458, 461, 595, , 599
ESP10, 439, 449, 453, 458, 461, 597, , 601
ESP10, 437, 447, 452, 457, 459, 599, , 603
ESP10, 430, 440, 445, 450, 453, 601, , 605
ESP10, 430, 440, 445, 451, 453, 602, , 606
ESP10, 430, 440, 445, 450, 452, 604, , 608
ESP10, 430, 441, 445, 450, 453, 606, , 610
ESP10, 430, 441, 445, 451, 453, 608, , 612
ESP10, 430, 441, 446, 451, 453, 610, , 614
ESP10, 430, 441, 445, 451, 453, 612, , 616
ESP10, 430, 441, 445, 451, 453, 614, , 618
ESP10, 430, 441, 446, 451, 453, 616, , 620
ESP10, 431, 441, 446, 451, 453, 618, , 622
ESP10, 431, 441, 446, 451, 453, 619, , 623
ESP10, 431, 441, 446, 451, 453, 621, , 625
ESP10, 431, 442, 446, 451, 453, 623, , 627
ESP10, 431, 442, 446, 451, 453, 625, , 629
ESP10, 431, 442, 446, 451, 453, 627, , 631
ESP10, 431, 442, 446, 451, 453, 629, , 633
ESP10, 431, 442, 446, 451, 453, 631, , 635
ESP10, 431, 442, 446, 451, 453, 633, , 637
ESP10, 431, 442, 446, 451, 453, 634, , 638
ESP10, 431, 442, 447, 451, 453, 636, , 640
ESP10, 431, 442, 447, 451, 453, 638, , 642
ESP10, 431, 443, 447, 451, 454, 640, , 644
ESP10, 431, 443, 447, 451, 453, 642, , 646
ESP10, 431, 443, 447, 451, 453, 644, , 648
ESP10, 431, 443, 448, 452, 454, 646, , 650
ESP10, 431, 443, 448, 452, 454, 648, , 652
ESP10, 431, 443, 448, 452, 455, 650, , 654
ESP10, 430, 443, 448, 452, 455, 651, , 655
ESP10, 434, 443, 448, 452, 455, 653, , 657
ESP10, 433, 442, 448, 451, 454, 655, , 659
ESP10, 433, 442, 448, 451, 454, 657, , 661
ESP10, 433, 442, 447, 451, 453, 659, , 663
ESP10, 434, 443, 448, 452, 454, 661, , 665
ESP10, 435, 444, 449, 453, 455, 663, , 667
ESP10, 438, 444, 449, 453, 455, 665, , 669
ESP10, 439, 444, 449, 453, 455, 666, , 670
ESP10, 439, 444, 449, 453, 455, 668, , 672
ESP10, 439, 444, 449, 453, 454, 670, , 674
ESP10, 438, 442, 447, 452, 453, 672, , 676
ESP10, 438, 443, 447, 452, 453, 674, , 678
ESP10, 439, 444, 447, 452, 453, 676, , 680
ESP10, 439, 444, 447, 452, 454, 678, , 682
ESP10, 439, 445, 447, 452, 455, 680, , 684
ESP10, 439, 446, 449, 452, 455, 682, , 686
ESP10, 438, 445, 448, 452, 454, 683, , 687
ESP10, 438, 444, 448, 451, 453, 685, , 689
ESP10, 437, 443, 447, 451, 453, 687, , 691
ESP10, 434, 440, 445, 448, 450, 689, , 693
ESP10, 435, 441, 446, 449, 451, 691, , 695
ESP10, 433, 440, 445, 449, 450, 693, , 697
ESP10, 436, 442, 447, 450, 452, 695, , 699
ESP10, 433, 440, 446, 448, 450, 697, , 701
ESP10, 434, 443, 447, 449, 450, 698, , 702
ESP10, 436, 445, 449, 451, 452, 700, , 704
ESP10, 434, 443, 448, 449, 451, 702, , 706
ESP10, 434, 443, 448, 449, 451, 704, , 708
ESP10, 436, 445, 449, 450, 452, 706, , 710
ESP10, 438, 447, 450, 451, 453, 708, , 712
ESP10, 438, 447, 450, 452, 453, 710, , 714
ESP10, 442, 448, 450, 452, 452, 712, , 716
ESP10, 444, 448, 450, 451, 452, 714, , 718
ESP10, 445, 448, 450, 451, 452, 715, , 719
ESP10, 444, 447, 449, 450, 451, 717, , 721
ESP10, 443, 446, 448, 449, 450, 719, , 723
ESP10, 444, 446, 449, 450, 450, 721, , 725
ESP10, 445, 447, 449, 450, 450, 723, , 727
ESP10, 446, 447, 449, 450, 450, 725, , 729
ESP10, 446, 448, 449, 450, 450, 727, , 731
ESP10, 447, 449, 450, 450, 450, 729, , 733
ESP10, 448, 449, 450, 450, 450, 730, , 734
ESP10, 449, 450, 450, 450, 450, 732, , 736
ESP10, 448, 448, 448, 448, 448, 734, , 738
Max Scale
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/ISSW1N_SQIN.ESPF10.csv
ISSW1N_SQIN.ESPF0.csv|2026-09-20
ISSW1N_SQIN.ESPF10.csv|2026-09-20
ISSW1N_SQIN.ESPFM.csv|2026-09-20
APR-SEP
ISSAQUAH CREEK - NEAR MOUTH
(
ISSW1
)
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
17
23
88
32
26
APR-JUL
14
20
87
27
23
APR-AUG
16
22
88
29
25
JAN-SEP
46
69
105
87
66
JAN-JUL
43
64
103
84
62
OCT-SEP
64
92
98
121
94
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/ISSW1N_SQIN.ESPF10.csv
ISSW1N_SQIN.ESPF0.csv|2026-09-20
ISSW1N_SQIN.ESPF10.csv|2026-09-20
ISSW1N_SQIN.ESPFM.csv|2026-09-20
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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