Choose Date:
Archive:
Water Year
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NISQUALLY - AT MCKENNA
(
MKNW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-26
Issued:
2026-07-26
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
296
301
68
309
443
APR-JUL
254
254
67
254
377
APR-AUG
278
280
68
284
414
JAN-SEP
805
810
89
818
913
JAN-JUL
762
762
90
762
847
OCT-SEP
1378
1383
108
1391
1281
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-26
Issued:
2026-07-26
Hide Forecast
APR-SEP
296
302
68
309
443
APR-JUL
253
253
67
254
377
APR-AUG
277
281
68
284
414
JAN-SEP
805
811
89
818
913
JAN-JUL
762
762
90
763
847
OCT-SEP
1378
1384
108
1391
1281
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-26
Issued:
2026-07-26
Hide Forecast
APR-SEP
296
304
69
310
443
APR-JUL
253
254
67
256
377
APR-AUG
278
282
68
286
414
JAN-SEP
805
813
89
818
913
JAN-JUL
762
763
90
765
847
OCT-SEP
1378
1386
108
1391
1281
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 147, 248, 321, 386, 435, 70, , 74
ESP10, 147, 248, 321, 386, 435, 72, , 76
ESP10, 147, 248, 322, 387, 435, 75, , 79
ESP10, 147, 248, 322, 387, 435, 77, , 81
ESP10, 147, 248, 322, 386, 435, 79, , 83
ESP10, 147, 248, 322, 387, 435, 81, , 85
ESP10, 146, 247, 322, 386, 435, 84, , 88
ESP10, 147, 248, 322, 388, 435, 86, , 90
ESP10, 146, 249, 322, 389, 435, 88, , 92
ESP10, 146, 247, 321, 388, 434, 90, , 94
ESP10, 146, 248, 322, 389, 435, 93, , 97
ESP10, 145, 247, 321, 387, 434, 95, , 99
ESP10, 146, 246, 320, 388, 435, 97, , 101
ESP10, 146, 246, 320, 387, 434, 99, , 103
ESP10, 145, 246, 319, 386, 434, 102, , 106
ESP10, 144, 244, 317, 383, 431, 104, , 108
ESP10, 143, 243, 315, 381, 428, 106, , 110
ESP10, 144, 243, 315, 382, 429, 108, , 112
ESP10, 144, 243, 315, 382, 429, 110, , 114
ESP10, 145, 244, 316, 383, 430, 113, , 117
ESP10, 144, 242, 313, 380, 426, 115, , 119
ESP10, 144, 244, 315, 381, 428, 117, , 121
ESP10, 143, 243, 314, 380, 427, 119, , 123
ESP10, 145, 244, 316, 382, 429, 122, , 126
ESP10, 146, 244, 317, 383, 430, 124, , 128
ESP10, 147, 245, 317, 383, 430, 126, , 130
ESP10, 147, 246, 319, 383, 430, 128, , 132
ESP10, 147, 249, 319, 383, 430, 131, , 135
ESP10, 147, 249, 317, 382, 429, 133, , 137
ESP10, 147, 248, 314, 381, 428, 135, , 139
ESP10, 146, 248, 316, 381, 428, 137, , 141
ESP10, 147, 248, 318, 381, 431, 139, , 143
ESP10, 148, 248, 319, 381, 433, 142, , 146
ESP10, 149, 249, 323, 383, 435, 144, , 148
ESP10, 149, 250, 323, 384, 435, 146, , 150
ESP10, 150, 250, 323, 384, 436, 148, , 152
ESP10, 151, 250, 323, 384, 437, 151, , 155
ESP10, 150, 249, 321, 381, 434, 153, , 157
ESP10, 150, 246, 320, 382, 433, 155, , 159
ESP10, 150, 245, 319, 382, 434, 157, , 161
ESP10, 151, 247, 316, 371, 414, 160, , 164
ESP10, 152, 247, 317, 372, 414, 162, , 166
ESP10, 148, 242, 314, 368, 410, 164, , 168
ESP10, 161, 255, 327, 391, 436, 166, , 170
ESP10, 159, 253, 332, 394, 439, 169, , 173
ESP10, 156, 252, 332, 391, 437, 171, , 175
ESP10, 158, 252, 331, 396, 446, 173, , 177
ESP10, 160, 256, 333, 399, 448, 175, , 179
ESP10, 160, 256, 333, 399, 449, 177, , 181
ESP10, 162, 259, 333, 403, 449, 180, , 184
ESP10, 164, 259, 330, 397, 438, 182, , 186
ESP10, 164, 257, 332, 404, 439, 184, , 188
ESP10, 164, 260, 333, 402, 438, 186, , 190
ESP10, 168, 263, 337, 404, 442, 189, , 193
ESP10, 170, 262, 336, 403, 440, 191, , 195
ESP10, 178, 266, 345, 406, 446, 193, , 197
ESP10, 179, 264, 344, 406, 445, 195, , 199
ESP10, 181, 263, 345, 405, 445, 198, , 202
ESP10, 182, 265, 346, 405, 447, 200, , 204
ESP10, 178, 262, 341, 403, 441, 202, , 206
ESP10, 185, 267, 344, 403, 443, 204, , 208
ESP10, 188, 274, 345, 405, 450, 206, , 210
ESP10, 185, 258, 327, 381, 427, 209, , 213
ESP10, 175, 247, 319, 372, 418, 211, , 215
ESP10, 181, 253, 324, 379, 422, 213, , 217
ESP10, 183, 250, 323, 378, 420, 215, , 219
ESP10, 194, 255, 329, 381, 423, 218, , 222
ESP10, 198, 253, 329, 380, 422, 220, , 224
ESP10, 199, 252, 330, 380, 422, 222, , 226
ESP10, 198, 253, 326, 374, 417, 224, , 228
ESP10, 186, 240, 313, 361, 406, 227, , 231
ESP10, 183, 237, 311, 358, 403, 229, , 233
ESP10, 183, 236, 311, 360, 403, 231, , 235
ESP10, 189, 240, 313, 364, 406, 233, , 237
ESP10, 192, 240, 313, 363, 406, 236, , 240
ESP10, 196, 241, 315, 364, 406, 238, , 242
ESP10, 193, 237, 310, 359, 402, 240, , 244
ESP10, 194, 241, 314, 360, 403, 242, , 246
ESP10, 195, 243, 314, 362, 404, 244, , 248
ESP10, 192, 240, 310, 362, 402, 247, , 251
ESP10, 202, 251, 319, 372, 410, 249, , 253
ESP10, 200, 250, 317, 372, 409, 251, , 255
ESP10, 202, 252, 318, 375, 411, 253, , 257
ESP10, 202, 251, 319, 375, 411, 256, , 260
ESP10, 199, 247, 316, 371, 408, 258, , 262
ESP10, 194, 242, 317, 366, 403, 260, , 264
ESP10, 200, 250, 323, 371, 411, 262, , 266
ESP10, 206, 255, 328, 374, 415, 265, , 269
ESP10, 209, 255, 329, 375, 416, 267, , 271
ESP10, 215, 256, 330, 376, 417, 269, , 273
ESP10, 218, 257, 331, 377, 418, 271, , 275
ESP10, 215, 254, 328, 374, 415, 273, , 277
ESP10, 210, 253, 324, 371, 414, 276, , 280
ESP10, 210, 252, 324, 372, 415, 278, , 282
ESP10, 206, 250, 321, 372, 415, 280, , 284
ESP10, 204, 248, 320, 371, 419, 282, , 286
ESP10, 202, 247, 320, 369, 417, 285, , 289
ESP10, 204, 248, 324, 372, 419, 287, , 291
ESP10, 207, 252, 331, 375, 423, 289, , 293
ESP10, 208, 254, 334, 378, 425, 291, , 295
ESP10, 209, 255, 335, 379, 426, 294, , 298
ESP10, 207, 256, 335, 378, 426, 296, , 300
ESP10, 204, 254, 336, 377, 425, 298, , 302
ESP10, 202, 252, 342, 375, 425, 300, , 304
ESP10, 203, 254, 343, 377, 426, 303, , 307
ESP10, 202, 254, 341, 376, 423, 305, , 309
ESP10, 199, 251, 338, 375, 420, 307, , 311
ESP10, 207, 256, 343, 380, 424, 309, , 313
ESP10, 210, 258, 348, 382, 425, 311, , 315
ESP10, 223, 262, 355, 391, 430, 314, , 318
ESP10, 223, 262, 355, 391, 428, 316, , 320
ESP10, 226, 265, 355, 394, 429, 318, , 322
ESP10, 228, 269, 356, 397, 429, 320, , 324
ESP10, 228, 272, 356, 400, 430, 323, , 327
ESP10, 228, 272, 356, 400, 430, 325, , 329
ESP10, 228, 275, 356, 402, 431, 327, , 331
ESP10, 229, 276, 357, 403, 433, 329, , 333
ESP10, 224, 272, 353, 398, 431, 332, , 336
ESP10, 225, 273, 356, 397, 433, 334, , 338
ESP10, 223, 272, 358, 395, 433, 336, , 340
ESP10, 222, 277, 358, 395, 437, 338, , 342
ESP10, 222, 277, 360, 394, 437, 340, , 344
ESP10, 218, 274, 357, 390, 434, 343, , 347
ESP10, 226, 277, 359, 393, 436, 345, , 349
ESP10, 229, 281, 361, 398, 437, 347, , 351
ESP10, 229, 279, 361, 398, 434, 349, , 353
ESP10, 227, 276, 360, 396, 432, 352, , 356
ESP10, 237, 282, 366, 404, 438, 354, , 358
ESP10, 240, 283, 370, 407, 439, 356, , 360
ESP10, 243, 284, 372, 409, 440, 358, , 362
ESP10, 242, 286, 371, 411, 439, 361, , 365
ESP10, 244, 291, 373, 414, 442, 363, , 367
ESP10, 238, 287, 370, 406, 435, 365, , 369
ESP10, 243, 289, 372, 409, 437, 367, , 371
ESP10, 243, 286, 369, 409, 434, 370, , 374
ESP10, 238, 280, 364, 405, 431, 372, , 376
ESP10, 239, 281, 366, 407, 435, 374, , 378
ESP10, 247, 286, 372, 413, 445, 376, , 380
ESP10, 234, 275, 361, 404, 434, 378, , 382
ESP10, 240, 280, 365, 409, 441, 381, , 385
ESP10, 238, 278, 365, 404, 438, 383, , 387
ESP10, 242, 284, 370, 408, 441, 385, , 389
ESP10, 242, 287, 369, 409, 443, 387, , 391
ESP10, 251, 294, 374, 416, 449, 390, , 394
ESP10, 257, 302, 379, 422, 454, 392, , 396
ESP10, 263, 308, 385, 428, 457, 394, , 398
ESP10, 262, 311, 383, 425, 454, 396, , 400
ESP10, 257, 309, 380, 421, 451, 399, , 403
ESP10, 257, 311, 382, 422, 451, 401, , 405
ESP10, 256, 311, 386, 426, 452, 403, , 407
ESP10, 261, 311, 387, 429, 455, 405, , 409
ESP10, 262, 309, 391, 429, 453, 407, , 411
ESP10, 257, 304, 388, 425, 448, 410, , 414
ESP10, 244, 291, 377, 416, 436, 412, , 416
ESP10, 238, 284, 371, 412, 433, 414, , 418
ESP10, 232, 278, 364, 408, 430, 416, , 420
ESP10, 226, 272, 357, 405, 425, 419, , 423
ESP10, 209, 253, 338, 391, 406, 421, , 425
ESP10, 201, 245, 329, 382, 401, 423, , 427
ESP10, 209, 253, 337, 390, 409, 425, , 429
ESP10, 209, 251, 335, 386, 408, 428, , 432
ESP10, 214, 254, 337, 387, 414, 430, , 434
ESP10, 226, 270, 348, 396, 427, 432, , 436
ESP10, 219, 266, 344, 393, 422, 434, , 438
ESP10, 221, 270, 347, 395, 433, 437, , 441
ESP10, 209, 264, 340, 388, 425, 439, , 443
ESP10, 201, 266, 335, 383, 420, 441, , 445
ESP10, 201, 267, 337, 383, 420, 443, , 447
ESP10, 206, 266, 337, 383, 421, 445, , 449
ESP10, 211, 269, 345, 386, 425, 448, , 452
ESP10, 211, 267, 341, 385, 422, 450, , 454
ESP10, 220, 273, 341, 386, 423, 452, , 456
ESP10, 230, 274, 344, 387, 425, 454, , 458
ESP10, 226, 260, 335, 377, 414, 457, , 461
ESP10, 227, 277, 331, 380, 410, 459, , 463
ESP10, 245, 291, 347, 392, 420, 461, , 465
ESP10, 234, 279, 336, 387, 407, 463, , 467
ESP10, 246, 285, 342, 400, 421, 466, , 470
ESP10, 251, 286, 347, 401, 422, 468, , 472
ESP10, 262, 284, 346, 405, 426, 470, , 474
ESP10, 268, 288, 364, 413, 434, 472, , 476
ESP10, 283, 308, 368, 416, 441, 474, , 478
ESP10, 279, 309, 363, 411, 440, 477, , 481
ESP10, 292, 321, 370, 418, 446, 479, , 483
ESP10, 294, 322, 377, 422, 448, 481, , 485
ESP10, 296, 325, 379, 428, 450, 483, , 487
ESP10, 292, 319, 371, 421, 446, 486, , 490
ESP10, 298, 322, 377, 425, 449, 488, , 492
ESP10, 294, 309, 367, 418, 442, 490, , 494
ESP10, 282, 303, 356, 408, 431, 492, , 496
ESP10, 279, 319, 352, 406, 429, 495, , 499
ESP10, 271, 312, 343, 401, 423, 497, , 501
ESP10, 277, 313, 346, 402, 421, 499, , 503
ESP10, 284, 316, 354, 401, 420, 501, , 505
ESP10, 294, 326, 368, 410, 424, 504, , 508
ESP10, 308, 337, 386, 420, 434, 506, , 510
ESP10, 320, 352, 392, 426, 439, 508, , 512
ESP10, 327, 360, 399, 427, 440, 510, , 514
ESP10, 335, 361, 397, 426, 439, 512, , 516
ESP10, 334, 361, 396, 428, 437, 515, , 519
ESP10, 334, 365, 396, 431, 437, 517, , 521
ESP10, 330, 363, 397, 429, 435, 519, , 523
ESP10, 333, 365, 401, 428, 434, 521, , 525
ESP10, 336, 365, 403, 426, 432, 524, , 528
ESP10, 338, 369, 404, 427, 433, 526, , 530
ESP10, 341, 379, 408, 428, 433, 528, , 532
ESP10, 341, 383, 410, 427, 432, 530, , 534
ESP10, 347, 386, 412, 428, 432, 533, , 537
ESP10, 353, 386, 411, 428, 432, 535, , 539
ESP10, 354, 389, 411, 429, 432, 537, , 541
ESP10, 353, 391, 412, 429, 431, 539, , 543
ESP10, 357, 394, 420, 435, 438, 541, , 545
ESP10, 359, 396, 421, 437, 439, 544, , 548
ESP10, 361, 396, 425, 437, 439, 546, , 550
ESP10, 366, 397, 426, 438, 441, 548, , 552
ESP10, 370, 402, 430, 439, 442, 550, , 554
ESP10, 381, 416, 447, 456, 461, 553, , 557
ESP10, 381, 417, 448, 458, 462, 555, , 559
ESP10, 381, 415, 448, 458, 463, 557, , 561
ESP10, 382, 415, 452, 458, 465, 559, , 563
ESP10, 386, 418, 453, 460, 465, 562, , 566
ESP10, 389, 418, 453, 459, 465, 564, , 568
ESP10, 395, 430, 458, 465, 469, 566, , 570
ESP10, 387, 420, 452, 460, 465, 568, , 572
ESP10, 381, 415, 444, 452, 457, 571, , 575
ESP10, 389, 425, 449, 455, 461, 573, , 577
ESP10, 388, 426, 448, 455, 460, 575, , 579
ESP10, 386, 422, 446, 451, 456, 577, , 581
ESP10, 395, 427, 448, 455, 458, 579, , 583
ESP10, 400, 427, 447, 455, 458, 582, , 586
ESP10, 388, 420, 442, 450, 453, 584, , 588
ESP10, 397, 424, 446, 453, 457, 586, , 590
ESP10, 396, 425, 444, 453, 456, 588, , 592
ESP10, 402, 428, 446, 453, 457, 591, , 595
ESP10, 411, 436, 447, 455, 460, 593, , 597
ESP10, 414, 438, 448, 455, 459, 595, , 599
ESP10, 412, 438, 449, 455, 459, 597, , 601
ESP10, 410, 439, 450, 454, 458, 600, , 604
ESP10, 416, 444, 452, 456, 460, 602, , 606
ESP10, 419, 445, 452, 457, 461, 604, , 608
ESP10, 428, 443, 450, 455, 459, 606, , 610
ESP10, 429, 443, 450, 455, 459, 608, , 612
ESP10, 430, 446, 452, 456, 460, 611, , 615
ESP10, 431, 447, 452, 457, 462, 613, , 617
ESP10, 430, 446, 452, 457, 462, 615, , 619
ESP10, 426, 446, 449, 455, 459, 617, , 621
ESP10, 431, 449, 453, 458, 462, 620, , 624
ESP10, 428, 448, 451, 455, 460, 622, , 626
ESP10, 424, 441, 445, 449, 453, 624, , 628
ESP10, 423, 439, 443, 446, 450, 626, , 630
ESP10, 427, 439, 443, 446, 452, 629, , 633
ESP10, 429, 441, 445, 448, 454, 631, , 635
ESP10, 428, 440, 445, 447, 452, 633, , 637
ESP10, 425, 437, 441, 444, 448, 635, , 639
ESP10, 426, 436, 440, 443, 449, 638, , 642
ESP10, 426, 436, 440, 443, 448, 640, , 644
ESP10, 425, 435, 438, 441, 446, 642, , 646
ESP10, 426, 437, 440, 443, 448, 644, , 648
ESP10, 425, 435, 439, 442, 447, 646, , 650
ESP10, 425, 435, 440, 441, 447, 649, , 653
ESP10, 427, 435, 439, 442, 447, 651, , 655
ESP10, 424, 433, 437, 440, 446, 653, , 657
ESP10, 423, 431, 435, 439, 444, 655, , 659
ESP10, 423, 432, 436, 439, 444, 658, , 662
ESP10, 424, 433, 437, 440, 445, 660, , 664
ESP10, 423, 432, 436, 439, 444, 662, , 666
ESP10, 426, 434, 438, 442, 446, 664, , 668
ESP10, 428, 436, 441, 444, 448, 667, , 671
ESP10, 428, 436, 440, 444, 448, 669, , 673
ESP10, 427, 435, 439, 443, 447, 671, , 675
ESP10, 428, 434, 438, 442, 446, 673, , 677
ESP10, 429, 434, 438, 442, 446, 675, , 679
ESP10, 428, 433, 438, 441, 445, 678, , 682
ESP10, 427, 432, 437, 440, 444, 680, , 684
ESP10, 428, 431, 435, 439, 442, 682, , 686
ESP10, 427, 429, 433, 437, 440, 684, , 688
ESP10, 426, 429, 433, 437, 440, 687, , 691
ESP10, 427, 430, 434, 437, 441, 689, , 693
ESP10, 427, 430, 434, 437, 441, 691, , 695
ESP10, 427, 431, 434, 438, 442, 693, , 697
ESP10, 427, 430, 433, 438, 442, 696, , 700
ESP10, 428, 431, 434, 438, 442, 698, , 702
ESP10, 425, 428, 432, 436, 439, 700, , 704
ESP10, 424, 428, 431, 435, 438, 702, , 706
ESP10, 424, 427, 431, 435, 438, 705, , 709
ESP10, 424, 427, 430, 435, 438, 707, , 711
ESP10, 425, 428, 431, 435, 439, 709, , 713
ESP10, 426, 428, 432, 436, 440, 711, , 715
ESP10, 426, 428, 432, 435, 439, 713, , 717
ESP10, 425, 427, 431, 434, 438, 716, , 720
ESP10, 426, 428, 432, 434, 438, 718, , 722
ESP10, 426, 428, 432, 435, 439, 720, , 724
ESP10, 426, 428, 432, 435, 438, 722, , 726
ESP10, 425, 427, 431, 434, 437, 725, , 729
ESP10, 426, 429, 433, 436, 439, 727, , 731
ESP10, 425, 428, 432, 435, 438, 729, , 733
ESP10, 427, 430, 434, 436, 439, 731, , 735
ESP10, 427, 430, 434, 436, 439, 734, , 738
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/natural/MKNW1N_SQIN.ESPF10.csv
MKNW1N_SQIN.ESPF0.csv|2026-07-26
MKNW1N_SQIN.ESPF10.csv|2026-07-26
MKNW1N_SQIN.ESPFM.csv|2026-07-26
APR-SEP
NISQUALLY - AT MCKENNA
(
MKNW1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-26
Issued:
2026-07-26
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
302
406
92
583
443
APR-JUL
258
339
90
493
377
APR-AUG
282
368
89
524
414
JAN-SEP
674
869
95
1184
913
JAN-JUL
630
818
97
1121
847
OCT-SEP
929
1273
99
1652
1281
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/MKNW1N_SQIN.ESPF10.csv
MKNW1N_SQIN.ESPF0.csv|2026-07-26
MKNW1N_SQIN.ESPF10.csv|2026-07-26
MKNW1N_SQIN.ESPFM.csv|2026-07-26
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
