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Water Year
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ISSAQUAH CREEK - NEAR MOUTH
(
ISSW1
)
Forecasts for Water Year
2025
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-17
Issued:
2025-07-17
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
20
21
79
22
26
APR-JUL
18
18
79
18
23
JAN-SEP
50
50
76
51
66
JAN-JUL
48
48
76
48
62
OCT-SEP
71
72
76
73
94
Experimental
HEFS with 15 days EQPF
Ensemble:
2025-07-17
Issued:
2025-07-17
Hide Forecast
APR-SEP
20
21
79
22
26
APR-JUL
18
18
79
18
23
JAN-SEP
50
50
76
51
66
JAN-JUL
48
48
76
48
62
OCT-SEP
71
72
76
73
94
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-17
Issued:
2025-07-17
Hide Forecast
APR-SEP
20
21
79
22
26
APR-JUL
18
18
79
18
23
JAN-SEP
50
50
76
51
66
JAN-JUL
48
48
76
48
62
OCT-SEP
71
72
76
73
94
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 257, 320, 397, 436, 459, 70, , 74
ESP10, 257, 320, 398, 436, 459, 73, , 77
ESP10, 257, 320, 399, 436, 459, 75, , 79
ESP10, 257, 320, 399, 436, 459, 77, , 81
ESP10, 257, 320, 397, 435, 459, 80, , 84
ESP10, 256, 320, 396, 435, 458, 82, , 86
ESP10, 257, 320, 398, 435, 458, 84, , 88
ESP10, 257, 320, 399, 436, 459, 86, , 90
ESP10, 256, 320, 399, 435, 458, 89, , 93
ESP10, 256, 320, 399, 435, 458, 91, , 95
ESP10, 256, 320, 396, 435, 458, 93, , 97
ESP10, 256, 320, 398, 435, 458, 96, , 100
ESP10, 256, 320, 399, 435, 458, 98, , 102
ESP10, 257, 320, 401, 435, 458, 100, , 104
ESP10, 257, 320, 400, 436, 459, 103, , 107
ESP10, 256, 320, 399, 436, 459, 105, , 109
ESP10, 256, 320, 396, 435, 459, 107, , 111
ESP10, 256, 320, 396, 436, 459, 109, , 113
ESP10, 256, 320, 398, 436, 459, 112, , 116
ESP10, 256, 321, 396, 436, 459, 114, , 118
ESP10, 257, 321, 398, 436, 460, 116, , 120
ESP10, 257, 321, 399, 436, 460, 119, , 123
ESP10, 256, 321, 394, 435, 460, 121, , 125
ESP10, 256, 321, 395, 436, 460, 123, , 127
ESP10, 257, 321, 398, 436, 460, 126, , 130
ESP10, 257, 321, 398, 436, 460, 128, , 132
ESP10, 258, 321, 399, 438, 460, 130, , 134
ESP10, 259, 321, 400, 438, 461, 132, , 136
ESP10, 259, 321, 401, 437, 460, 135, , 139
ESP10, 258, 320, 396, 435, 460, 137, , 141
ESP10, 256, 318, 390, 434, 459, 139, , 143
ESP10, 256, 318, 388, 434, 459, 142, , 146
ESP10, 256, 318, 387, 434, 459, 144, , 148
ESP10, 255, 317, 384, 433, 458, 146, , 150
ESP10, 255, 317, 385, 432, 457, 149, , 153
ESP10, 255, 317, 385, 432, 458, 151, , 155
ESP10, 255, 317, 385, 433, 458, 153, , 157
ESP10, 255, 317, 385, 433, 459, 155, , 159
ESP10, 255, 316, 384, 433, 458, 158, , 162
ESP10, 255, 317, 385, 434, 459, 160, , 164
ESP10, 256, 318, 386, 434, 459, 162, , 166
ESP10, 259, 320, 387, 436, 461, 165, , 169
ESP10, 258, 321, 388, 436, 461, 167, , 171
ESP10, 258, 322, 388, 435, 460, 169, , 173
ESP10, 255, 318, 385, 432, 458, 172, , 176
ESP10, 255, 317, 385, 432, 458, 174, , 178
ESP10, 256, 319, 386, 433, 459, 176, , 180
ESP10, 257, 321, 386, 434, 459, 179, , 183
ESP10, 258, 321, 387, 435, 460, 181, , 185
ESP10, 259, 322, 388, 435, 461, 183, , 187
ESP10, 259, 321, 388, 435, 461, 185, , 189
ESP10, 260, 322, 389, 436, 462, 188, , 192
ESP10, 261, 322, 389, 436, 462, 190, , 194
ESP10, 261, 322, 389, 438, 462, 192, , 196
ESP10, 261, 321, 389, 437, 461, 195, , 199
ESP10, 261, 321, 389, 438, 462, 197, , 201
ESP10, 260, 320, 389, 437, 461, 199, , 203
ESP10, 261, 320, 389, 437, 462, 202, , 206
ESP10, 261, 321, 390, 438, 464, 204, , 208
ESP10, 262, 321, 390, 438, 464, 206, , 210
ESP10, 262, 320, 390, 437, 464, 208, , 212
ESP10, 261, 320, 389, 437, 463, 211, , 215
ESP10, 261, 320, 390, 438, 463, 213, , 217
ESP10, 260, 318, 391, 437, 462, 215, , 219
ESP10, 260, 318, 391, 437, 463, 218, , 222
ESP10, 260, 318, 392, 438, 462, 220, , 224
ESP10, 259, 318, 392, 438, 463, 222, , 226
ESP10, 260, 319, 393, 439, 465, 225, , 229
ESP10, 259, 318, 393, 440, 465, 227, , 231
ESP10, 260, 314, 384, 437, 463, 229, , 233
ESP10, 264, 317, 389, 441, 467, 231, , 235
ESP10, 265, 318, 390, 442, 468, 234, , 238
ESP10, 265, 317, 390, 442, 468, 236, , 240
ESP10, 263, 316, 387, 439, 466, 238, , 242
ESP10, 262, 315, 383, 436, 463, 241, , 245
ESP10, 260, 313, 379, 435, 459, 243, , 247
ESP10, 267, 317, 386, 438, 466, 245, , 249
ESP10, 268, 320, 386, 439, 467, 248, , 252
ESP10, 267, 319, 385, 439, 466, 250, , 254
ESP10, 266, 319, 382, 438, 463, 252, , 256
ESP10, 267, 319, 383, 438, 464, 254, , 258
ESP10, 268, 320, 384, 439, 465, 257, , 261
ESP10, 267, 318, 382, 437, 463, 259, , 263
ESP10, 269, 319, 382, 438, 463, 261, , 265
ESP10, 265, 316, 379, 435, 460, 264, , 268
ESP10, 265, 317, 380, 437, 460, 266, , 270
ESP10, 265, 317, 380, 437, 459, 268, , 272
ESP10, 266, 318, 382, 438, 462, 271, , 275
ESP10, 266, 317, 383, 439, 462, 273, , 277
ESP10, 267, 318, 384, 440, 463, 275, , 279
ESP10, 266, 318, 385, 439, 462, 278, , 282
ESP10, 265, 317, 384, 439, 462, 280, , 284
ESP10, 266, 318, 385, 440, 463, 282, , 286
ESP10, 268, 320, 387, 443, 465, 284, , 288
ESP10, 266, 320, 386, 442, 465, 289, , 293
ESP10, 267, 322, 388, 444, 466, 291, , 295
ESP10, 268, 322, 388, 443, 466, 294, , 298
ESP10, 269, 323, 389, 444, 467, 296, , 300
ESP10, 269, 326, 390, 445, 468, 298, , 302
ESP10, 270, 327, 391, 445, 468, 301, , 305
ESP10, 271, 330, 392, 445, 469, 303, , 307
ESP10, 272, 331, 393, 446, 469, 305, , 309
ESP10, 273, 332, 393, 446, 469, 307, , 311
ESP10, 274, 332, 394, 447, 470, 310, , 314
ESP10, 274, 332, 396, 448, 470, 312, , 316
ESP10, 275, 333, 397, 449, 470, 314, , 318
ESP10, 274, 333, 397, 450, 470, 317, , 321
ESP10, 275, 333, 398, 451, 471, 319, , 323
ESP10, 278, 334, 398, 453, 474, 321, , 325
ESP10, 278, 334, 399, 452, 474, 324, , 328
ESP10, 278, 334, 401, 454, 476, 326, , 330
ESP10, 278, 333, 400, 453, 476, 328, , 332
ESP10, 274, 331, 397, 450, 474, 330, , 334
ESP10, 275, 333, 399, 451, 475, 333, , 337
ESP10, 276, 335, 403, 452, 477, 335, , 339
ESP10, 274, 335, 402, 451, 475, 337, , 341
ESP10, 273, 337, 402, 449, 474, 340, , 344
ESP10, 271, 335, 400, 449, 473, 342, , 346
ESP10, 271, 335, 402, 448, 472, 344, , 348
ESP10, 271, 336, 403, 450, 473, 347, , 351
ESP10, 272, 337, 407, 452, 474, 349, , 353
ESP10, 274, 340, 412, 454, 475, 351, , 355
ESP10, 282, 344, 418, 463, 480, 353, , 357
ESP10, 283, 343, 416, 462, 481, 356, , 360
ESP10, 285, 342, 414, 461, 480, 358, , 362
ESP10, 285, 339, 410, 460, 479, 360, , 364
ESP10, 286, 337, 408, 461, 480, 363, , 367
ESP10, 282, 329, 400, 454, 475, 365, , 369
ESP10, 284, 334, 403, 457, 479, 367, , 371
ESP10, 284, 334, 402, 458, 482, 370, , 374
ESP10, 284, 338, 401, 457, 484, 372, , 376
ESP10, 286, 341, 404, 459, 486, 374, , 378
ESP10, 284, 345, 405, 458, 485, 377, , 381
ESP10, 284, 348, 404, 463, 485, 379, , 383
ESP10, 275, 338, 393, 454, 473, 381, , 385
ESP10, 270, 331, 386, 447, 466, 383, , 387
ESP10, 266, 326, 382, 443, 461, 386, , 390
ESP10, 269, 330, 384, 447, 464, 388, , 392
ESP10, 272, 334, 387, 451, 468, 390, , 394
ESP10, 271, 332, 387, 450, 468, 393, , 397
ESP10, 272, 333, 388, 450, 468, 395, , 399
ESP10, 270, 332, 385, 449, 464, 397, , 401
ESP10, 269, 332, 383, 447, 462, 400, , 404
ESP10, 270, 334, 384, 449, 465, 402, , 406
ESP10, 281, 342, 394, 459, 475, 404, , 408
ESP10, 288, 347, 401, 462, 479, 406, , 410
ESP10, 288, 344, 402, 461, 477, 409, , 413
ESP10, 293, 348, 407, 464, 483, 411, , 415
ESP10, 291, 343, 402, 457, 476, 413, , 417
ESP10, 284, 339, 399, 449, 471, 416, , 420
ESP10, 287, 341, 404, 454, 477, 418, , 422
ESP10, 290, 343, 408, 455, 481, 420, , 424
ESP10, 296, 355, 415, 460, 489, 423, , 427
ESP10, 294, 353, 414, 460, 491, 425, , 429
ESP10, 251, 305, 371, 423, 444, 427, , 431
ESP10, 242, 295, 363, 413, 434, 429, , 433
ESP10, 244, 298, 368, 417, 437, 432, , 436
ESP10, 245, 299, 373, 420, 441, 434, , 438
ESP10, 245, 300, 374, 420, 441, 436, , 440
ESP10, 241, 298, 369, 415, 437, 439, , 443
ESP10, 234, 289, 361, 412, 429, 441, , 445
ESP10, 231, 282, 354, 407, 423, 443, , 447
ESP10, 231, 279, 351, 403, 426, 446, , 450
ESP10, 231, 280, 351, 399, 429, 448, , 452
ESP10, 225, 273, 345, 396, 423, 450, , 454
ESP10, 224, 272, 345, 398, 425, 453, , 457
ESP10, 221, 274, 345, 397, 426, 455, , 459
ESP10, 226, 287, 352, 403, 430, 457, , 461
ESP10, 235, 293, 363, 410, 438, 459, , 463
ESP10, 230, 277, 347, 399, 426, 462, , 466
ESP10, 223, 263, 335, 388, 414, 464, , 468
ESP10, 227, 264, 333, 381, 415, 466, , 470
ESP10, 259, 302, 363, 404, 437, 469, , 473
ESP10, 273, 320, 372, 415, 444, 471, , 475
ESP10, 282, 332, 388, 427, 453, 473, , 477
ESP10, 294, 342, 390, 432, 458, 476, , 480
ESP10, 303, 345, 398, 444, 460, 478, , 482
ESP10, 319, 355, 407, 456, 477, 480, , 484
ESP10, 353, 384, 428, 473, 496, 482, , 486
ESP10, 346, 372, 419, 460, 482, 485, , 489
ESP10, 332, 357, 403, 452, 468, 487, , 491
ESP10, 317, 345, 395, 441, 461, 489, , 493
ESP10, 289, 317, 377, 418, 438, 492, , 496
ESP10, 286, 320, 384, 427, 441, 494, , 498
ESP10, 294, 334, 394, 443, 453, 496, , 500
ESP10, 293, 335, 398, 442, 451, 499, , 503
ESP10, 290, 338, 409, 438, 449, 501, , 505
ESP10, 286, 341, 405, 435, 445, 503, , 507
ESP10, 287, 346, 407, 436, 447, 505, , 509
ESP10, 305, 363, 416, 439, 450, 508, , 512
ESP10, 302, 359, 409, 430, 441, 510, , 514
ESP10, 304, 362, 410, 431, 442, 512, , 516
ESP10, 322, 370, 409, 430, 441, 515, , 519
ESP10, 323, 366, 410, 430, 440, 517, , 521
ESP10, 323, 363, 409, 425, 435, 519, , 523
ESP10, 324, 360, 409, 425, 436, 522, , 526
ESP10, 329, 366, 411, 426, 436, 524, , 528
ESP10, 326, 361, 402, 424, 436, 526, , 530
ESP10, 345, 372, 411, 427, 439, 528, , 532
ESP10, 353, 379, 412, 428, 439, 531, , 535
ESP10, 328, 367, 390, 415, 426, 533, , 537
ESP10, 337, 379, 400, 422, 432, 535, , 539
ESP10, 344, 390, 409, 424, 435, 538, , 542
ESP10, 350, 394, 412, 424, 435, 540, , 544
ESP10, 343, 391, 411, 424, 434, 542, , 546
ESP10, 354, 392, 415, 426, 435, 545, , 549
ESP10, 361, 390, 415, 425, 434, 547, , 551
ESP10, 350, 381, 411, 421, 431, 549, , 553
ESP10, 358, 387, 414, 425, 433, 552, , 556
ESP10, 361, 393, 415, 426, 434, 554, , 558
ESP10, 362, 392, 416, 426, 434, 556, , 560
ESP10, 363, 399, 416, 428, 437, 558, , 562
ESP10, 361, 398, 418, 428, 437, 561, , 565
ESP10, 356, 390, 408, 420, 428, 563, , 567
ESP10, 355, 391, 410, 420, 429, 565, , 569
ESP10, 350, 388, 408, 418, 426, 568, , 572
ESP10, 344, 387, 404, 417, 424, 570, , 574
ESP10, 358, 393, 411, 420, 427, 572, , 576
ESP10, 360, 393, 411, 420, 427, 575, , 579
ESP10, 360, 392, 411, 419, 426, 577, , 581
ESP10, 357, 391, 411, 419, 425, 579, , 583
ESP10, 358, 391, 410, 420, 425, 581, , 585
ESP10, 362, 391, 411, 420, 424, 584, , 588
ESP10, 355, 388, 408, 417, 422, 586, , 590
ESP10, 348, 386, 408, 416, 422, 588, , 592
ESP10, 340, 381, 404, 412, 418, 591, , 595
ESP10, 342, 377, 400, 408, 413, 593, , 597
ESP10, 341, 375, 396, 404, 410, 595, , 599
ESP10, 330, 371, 392, 404, 409, 598, , 602
ESP10, 345, 379, 397, 408, 411, 600, , 604
ESP10, 372, 388, 402, 412, 416, 602, , 606
ESP10, 371, 386, 399, 409, 413, 604, , 608
ESP10, 371, 386, 399, 408, 412, 607, , 611
ESP10, 374, 388, 399, 408, 412, 609, , 613
ESP10, 376, 389, 400, 408, 412, 611, , 615
ESP10, 375, 386, 397, 405, 409, 614, , 618
ESP10, 375, 386, 397, 404, 408, 616, , 620
ESP10, 376, 390, 400, 405, 408, 618, , 622
ESP10, 380, 389, 400, 406, 408, 621, , 625
ESP10, 381, 392, 400, 406, 408, 623, , 627
ESP10, 382, 393, 402, 406, 409, 625, , 629
ESP10, 381, 393, 402, 406, 410, 627, , 631
ESP10, 381, 394, 402, 406, 410, 630, , 634
ESP10, 382, 396, 403, 407, 410, 632, , 636
ESP10, 383, 397, 403, 407, 411, 634, , 638
ESP10, 382, 397, 403, 407, 411, 637, , 641
ESP10, 382, 398, 402, 406, 410, 639, , 643
ESP10, 381, 398, 402, 406, 410, 641, , 645
ESP10, 382, 399, 403, 407, 411, 644, , 648
ESP10, 383, 396, 401, 406, 410, 667, , 671
ESP10, 383, 397, 401, 407, 410, 669, , 673
ESP10, 384, 397, 402, 408, 411, 671, , 675
ESP10, 384, 398, 402, 408, 411, 674, , 678
ESP10, 383, 397, 401, 407, 409, 676, , 680
ESP10, 383, 397, 400, 407, 409, 678, , 682
ESP10, 383, 397, 401, 407, 409, 680, , 684
ESP10, 383, 396, 400, 406, 409, 683, , 687
ESP10, 381, 394, 398, 404, 407, 685, , 689
ESP10, 381, 395, 399, 405, 407, 687, , 691
ESP10, 381, 395, 399, 404, 407, 690, , 694
ESP10, 382, 395, 399, 404, 407, 692, , 696
ESP10, 382, 395, 399, 405, 407, 694, , 698
ESP10, 382, 395, 399, 404, 407, 697, , 701
ESP10, 383, 395, 399, 404, 407, 699, , 703
ESP10, 383, 393, 397, 403, 405, 701, , 705
ESP10, 383, 393, 397, 403, 405, 703, , 707
ESP10, 383, 393, 397, 403, 405, 706, , 710
ESP10, 383, 393, 397, 403, 405, 708, , 712
ESP10, 382, 393, 397, 402, 405, 710, , 714
ESP10, 382, 392, 397, 402, 405, 713, , 717
ESP10, 407, 416, 421, 426, 429, 715, , 719
ESP10, 408, 417, 421, 426, 429, 717, , 721
ESP10, 408, 417, 421, 427, 429, 720, , 724
ESP10, 407, 416, 421, 426, 428, 722, , 726
ESP10, 407, 416, 421, 426, 428, 724, , 728
ESP10, 407, 417, 421, 427, 428, 726, , 730
ESP10, 407, 417, 421, 426, 428, 729, , 733
ESP10, 403, 413, 417, 423, 424, 731, , 735
ESP10, 403, 413, 418, 423, 425, 733, , 737
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/ISSW1N_SQIN.ESPF10.csv
ISSW1N_SQIN.ESPF0.csv|2025-07-17
ISSW1N_SQIN.ESPF10.csv|2025-07-17
ISSW1N_SQIN.ESPFM.csv|2025-07-17
APR-SEP
ISSAQUAH CREEK - NEAR MOUTH
(
ISSW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-17
Issued:
2025-07-17
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
17
23
86
32
26
APR-JUL
14
19
84
27
23
JAN-SEP
45
68
104
86
66
JAN-JUL
42
64
103
82
62
OCT-SEP
63
93
99
120
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|2025-07-17
ISSW1N_SQIN.ESPF10.csv|2025-07-17
ISSW1N_SQIN.ESPFM.csv|2025-07-17
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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