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Archive:
Water Year
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SPOKANE - AT LONGLAKE
(
LLKW1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-07-16
Issued:
2026-07-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1714
1716
59
1718
2901
APR-JUL
1534
1534
57
1534
2714
JAN-SEP
3644
3646
79
3649
4619
JAN-JUL
3465
3465
78
3465
4433
OCT-SEP
4839
4841
91
4844
5295
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-07-16
Issued:
2026-07-16
Hide Forecast
APR-SEP
1714
1716
59
1719
2901
APR-JUL
1534
1534
57
1535
2714
JAN-SEP
3644
3647
79
3650
4619
JAN-JUL
3465
3465
78
3465
4433
OCT-SEP
4840
4842
91
4845
5295
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-16
Issued:
2026-07-16
Hide Forecast
APR-SEP
1733
1735
60
1739
2901
APR-JUL
1553
1553
57
1554
2714
JAN-SEP
3663
3665
79
3669
4619
JAN-JUL
3484
3484
79
3484
4433
OCT-SEP
4858
4860
92
4864
5295
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 261, 330, 387, 429, 457, 70, , 74
ESP10, 259, 329, 386, 429, 455, 73, , 77
ESP10, 259, 330, 386, 429, 455, 75, , 79
ESP10, 259, 331, 386, 429, 454, 77, , 81
ESP10, 260, 331, 388, 429, 455, 80, , 84
ESP10, 258, 331, 387, 429, 454, 82, , 86
ESP10, 259, 331, 387, 429, 455, 84, , 88
ESP10, 261, 333, 388, 429, 456, 86, , 90
ESP10, 260, 331, 387, 429, 455, 89, , 93
ESP10, 257, 330, 385, 428, 453, 91, , 95
ESP10, 256, 331, 384, 428, 453, 93, , 97
ESP10, 258, 332, 385, 428, 454, 96, , 100
ESP10, 258, 332, 385, 428, 455, 98, , 102
ESP10, 258, 332, 385, 428, 455, 100, , 104
ESP10, 255, 331, 383, 426, 453, 103, , 107
ESP10, 248, 327, 380, 424, 450, 105, , 109
ESP10, 243, 321, 376, 422, 448, 107, , 111
ESP10, 246, 324, 378, 423, 449, 110, , 114
ESP10, 246, 325, 377, 424, 449, 112, , 116
ESP10, 250, 329, 381, 425, 450, 114, , 118
ESP10, 242, 321, 372, 420, 447, 117, , 121
ESP10, 247, 328, 382, 424, 449, 119, , 123
ESP10, 244, 325, 380, 421, 448, 121, , 125
ESP10, 248, 332, 386, 425, 451, 123, , 127
ESP10, 249, 334, 391, 426, 453, 126, , 130
ESP10, 247, 333, 389, 426, 452, 128, , 132
ESP10, 247, 334, 388, 428, 452, 130, , 134
ESP10, 247, 335, 388, 429, 454, 133, , 137
ESP10, 245, 335, 387, 429, 453, 135, , 139
ESP10, 242, 332, 385, 427, 451, 137, , 141
ESP10, 242, 333, 387, 426, 451, 140, , 144
ESP10, 246, 334, 388, 427, 452, 142, , 146
ESP10, 249, 334, 388, 426, 451, 144, , 148
ESP10, 253, 339, 390, 429, 454, 147, , 151
ESP10, 255, 341, 391, 429, 455, 149, , 153
ESP10, 259, 343, 394, 430, 457, 151, , 155
ESP10, 261, 343, 395, 429, 456, 153, , 157
ESP10, 260, 338, 395, 425, 454, 156, , 160
ESP10, 263, 338, 396, 426, 454, 158, , 162
ESP10, 262, 337, 394, 423, 454, 160, , 164
ESP10, 267, 340, 401, 429, 457, 163, , 167
ESP10, 268, 339, 400, 431, 459, 165, , 169
ESP10, 266, 336, 401, 429, 457, 167, , 171
ESP10, 274, 344, 411, 434, 465, 170, , 174
ESP10, 272, 343, 409, 432, 465, 172, , 176
ESP10, 269, 342, 407, 431, 464, 174, , 178
ESP10, 270, 341, 406, 431, 463, 177, , 181
ESP10, 276, 347, 411, 435, 467, 179, , 183
ESP10, 273, 346, 410, 434, 466, 181, , 185
ESP10, 273, 346, 410, 437, 467, 184, , 188
ESP10, 266, 338, 403, 433, 462, 186, , 190
ESP10, 272, 339, 405, 433, 466, 188, , 192
ESP10, 276, 336, 400, 435, 462, 190, , 194
ESP10, 288, 345, 407, 444, 469, 193, , 197
ESP10, 281, 340, 403, 439, 464, 195, , 199
ESP10, 286, 343, 406, 444, 467, 197, , 201
ESP10, 282, 337, 400, 438, 461, 200, , 204
ESP10, 283, 341, 402, 441, 462, 202, , 206
ESP10, 286, 345, 405, 443, 464, 204, , 208
ESP10, 266, 327, 387, 430, 450, 207, , 211
ESP10, 268, 331, 393, 434, 452, 209, , 213
ESP10, 272, 337, 397, 437, 455, 211, , 215
ESP10, 269, 333, 393, 434, 452, 214, , 218
ESP10, 261, 318, 381, 423, 440, 216, , 220
ESP10, 277, 330, 395, 434, 453, 218, , 222
ESP10, 268, 320, 389, 428, 443, 220, , 224
ESP10, 291, 337, 406, 442, 458, 223, , 227
ESP10, 297, 341, 409, 445, 461, 225, , 229
ESP10, 307, 350, 414, 450, 467, 227, , 231
ESP10, 302, 342, 406, 444, 460, 230, , 234
ESP10, 286, 328, 394, 433, 449, 232, , 236
ESP10, 284, 329, 392, 430, 447, 234, , 238
ESP10, 279, 324, 388, 431, 446, 237, , 241
ESP10, 279, 323, 383, 427, 444, 239, , 243
ESP10, 288, 334, 390, 434, 451, 241, , 245
ESP10, 292, 337, 392, 436, 452, 244, , 248
ESP10, 292, 341, 394, 436, 453, 246, , 250
ESP10, 296, 343, 394, 434, 453, 248, , 252
ESP10, 298, 342, 394, 432, 452, 251, , 255
ESP10, 302, 345, 396, 432, 451, 253, , 257
ESP10, 311, 353, 403, 438, 456, 255, , 259
ESP10, 319, 359, 409, 441, 459, 257, , 261
ESP10, 324, 366, 414, 445, 466, 260, , 264
ESP10, 324, 365, 414, 443, 469, 262, , 266
ESP10, 317, 359, 410, 437, 465, 264, , 268
ESP10, 311, 353, 407, 431, 462, 267, , 271
ESP10, 313, 354, 407, 431, 464, 269, , 273
ESP10, 320, 356, 410, 435, 467, 271, , 275
ESP10, 320, 353, 412, 434, 466, 274, , 278
ESP10, 326, 358, 415, 438, 468, 276, , 280
ESP10, 334, 369, 419, 448, 474, 278, , 282
ESP10, 335, 368, 416, 446, 473, 281, , 285
ESP10, 325, 358, 407, 439, 466, 283, , 287
ESP10, 328, 368, 411, 443, 468, 285, , 289
ESP10, 324, 365, 408, 440, 465, 287, , 291
ESP10, 322, 364, 408, 438, 463, 290, , 294
ESP10, 324, 367, 410, 440, 463, 292, , 296
ESP10, 324, 369, 410, 441, 463, 294, , 298
ESP10, 328, 371, 410, 445, 464, 297, , 301
ESP10, 331, 374, 411, 445, 464, 299, , 303
ESP10, 334, 376, 412, 447, 465, 301, , 305
ESP10, 335, 376, 412, 447, 464, 304, , 308
ESP10, 334, 376, 412, 448, 464, 306, , 310
ESP10, 333, 376, 409, 446, 462, 308, , 312
ESP10, 334, 380, 408, 445, 462, 311, , 315
ESP10, 338, 381, 408, 444, 461, 313, , 317
ESP10, 339, 382, 407, 442, 459, 315, , 319
ESP10, 342, 384, 408, 443, 460, 318, , 322
ESP10, 346, 385, 407, 442, 458, 320, , 324
ESP10, 357, 392, 414, 450, 465, 322, , 326
ESP10, 359, 391, 413, 447, 464, 324, , 328
ESP10, 367, 397, 417, 451, 467, 327, , 331
ESP10, 368, 398, 418, 453, 468, 329, , 333
ESP10, 371, 403, 424, 455, 471, 331, , 335
ESP10, 371, 403, 425, 456, 472, 334, , 338
ESP10, 371, 401, 425, 455, 472, 336, , 340
ESP10, 373, 402, 427, 455, 476, 338, , 342
ESP10, 373, 402, 426, 454, 476, 341, , 345
ESP10, 375, 404, 427, 453, 479, 343, , 347
ESP10, 382, 409, 432, 455, 481, 345, , 349
ESP10, 386, 413, 435, 457, 482, 348, , 352
ESP10, 384, 411, 434, 454, 479, 350, , 354
ESP10, 388, 411, 436, 455, 480, 352, , 356
ESP10, 390, 412, 437, 456, 480, 354, , 358
ESP10, 392, 413, 440, 459, 480, 357, , 361
ESP10, 389, 414, 437, 457, 479, 359, , 363
ESP10, 386, 411, 435, 454, 478, 361, , 365
ESP10, 390, 414, 441, 458, 479, 364, , 368
ESP10, 385, 412, 436, 458, 474, 366, , 370
ESP10, 384, 413, 436, 459, 474, 368, , 372
ESP10, 380, 407, 433, 454, 470, 371, , 375
ESP10, 383, 408, 434, 455, 473, 373, , 377
ESP10, 377, 402, 428, 448, 468, 375, , 379
ESP10, 380, 405, 429, 450, 470, 378, , 382
ESP10, 377, 402, 424, 446, 469, 380, , 384
ESP10, 373, 397, 419, 442, 470, 382, , 386
ESP10, 377, 398, 420, 444, 471, 385, , 389
ESP10, 382, 404, 424, 449, 478, 387, , 391
ESP10, 368, 392, 412, 438, 467, 389, , 393
ESP10, 377, 400, 419, 446, 474, 391, , 395
ESP10, 373, 399, 417, 446, 473, 394, , 398
ESP10, 380, 404, 421, 451, 476, 396, , 400
ESP10, 381, 406, 422, 452, 476, 398, , 402
ESP10, 383, 404, 421, 451, 474, 401, , 405
ESP10, 387, 408, 423, 452, 476, 403, , 407
ESP10, 391, 412, 429, 454, 477, 405, , 409
ESP10, 395, 414, 430, 455, 478, 408, , 412
ESP10, 390, 409, 423, 449, 471, 410, , 414
ESP10, 388, 406, 422, 447, 469, 412, , 416
ESP10, 389, 407, 425, 447, 467, 415, , 419
ESP10, 392, 413, 428, 451, 471, 417, , 421
ESP10, 394, 415, 430, 452, 472, 419, , 423
ESP10, 386, 409, 424, 446, 466, 421, , 425
ESP10, 380, 404, 417, 441, 460, 424, , 428
ESP10, 375, 401, 414, 438, 456, 426, , 430
ESP10, 369, 394, 407, 434, 449, 428, , 432
ESP10, 368, 395, 412, 435, 448, 431, , 435
ESP10, 369, 397, 414, 436, 450, 433, , 437
ESP10, 367, 398, 415, 435, 450, 435, , 439
ESP10, 366, 398, 414, 435, 451, 438, , 442
ESP10, 360, 393, 410, 430, 447, 440, , 444
ESP10, 357, 389, 408, 427, 447, 442, , 446
ESP10, 356, 388, 408, 428, 446, 445, , 449
ESP10, 361, 395, 411, 433, 453, 447, , 451
ESP10, 359, 393, 411, 431, 451, 449, , 453
ESP10, 356, 389, 409, 429, 446, 452, , 456
ESP10, 351, 386, 404, 428, 439, 454, , 458
ESP10, 355, 389, 410, 432, 442, 456, , 460
ESP10, 357, 391, 413, 433, 444, 458, , 462
ESP10, 367, 394, 420, 435, 448, 461, , 465
ESP10, 371, 393, 418, 433, 447, 463, , 467
ESP10, 375, 393, 417, 433, 447, 465, , 469
ESP10, 373, 393, 417, 433, 446, 468, , 472
ESP10, 363, 383, 404, 423, 437, 470, , 474
ESP10, 359, 381, 398, 418, 433, 472, , 476
ESP10, 374, 396, 413, 431, 444, 475, , 479
ESP10, 364, 386, 401, 419, 430, 477, , 481
ESP10, 369, 392, 407, 424, 436, 479, , 483
ESP10, 370, 391, 413, 424, 437, 482, , 486
ESP10, 374, 393, 415, 427, 441, 484, , 488
ESP10, 380, 399, 420, 433, 445, 486, , 490
ESP10, 379, 401, 421, 434, 445, 488, , 492
ESP10, 379, 401, 421, 434, 444, 491, , 495
ESP10, 383, 406, 428, 440, 448, 493, , 497
ESP10, 382, 407, 430, 441, 447, 495, , 499
ESP10, 379, 405, 429, 439, 445, 498, , 502
ESP10, 381, 408, 431, 442, 446, 500, , 504
ESP10, 388, 409, 433, 444, 447, 502, , 506
ESP10, 381, 402, 427, 440, 442, 505, , 509
ESP10, 372, 395, 418, 432, 434, 507, , 511
ESP10, 371, 396, 415, 430, 433, 509, , 513
ESP10, 380, 406, 426, 440, 442, 512, , 516
ESP10, 377, 404, 423, 437, 441, 514, , 518
ESP10, 382, 407, 425, 438, 443, 516, , 520
ESP10, 392, 408, 426, 438, 443, 519, , 523
ESP10, 404, 421, 439, 449, 454, 521, , 525
ESP10, 395, 415, 431, 440, 446, 523, , 527
ESP10, 405, 423, 438, 448, 453, 525, , 529
ESP10, 403, 419, 434, 443, 447, 528, , 532
ESP10, 401, 419, 433, 442, 448, 530, , 534
ESP10, 404, 422, 435, 445, 450, 532, , 536
ESP10, 407, 423, 436, 447, 451, 535, , 539
ESP10, 404, 421, 435, 445, 449, 537, , 541
ESP10, 414, 427, 442, 452, 455, 539, , 543
ESP10, 411, 425, 441, 449, 453, 542, , 546
ESP10, 412, 427, 444, 451, 454, 544, , 548
ESP10, 411, 426, 443, 449, 453, 546, , 550
ESP10, 411, 428, 445, 450, 454, 549, , 553
ESP10, 413, 428, 444, 449, 451, 551, , 555
ESP10, 414, 429, 445, 450, 452, 553, , 557
ESP10, 416, 432, 448, 452, 456, 555, , 559
ESP10, 418, 434, 449, 452, 456, 558, , 562
ESP10, 420, 437, 450, 453, 457, 560, , 564
ESP10, 422, 438, 450, 454, 457, 562, , 566
ESP10, 423, 441, 450, 455, 458, 565, , 569
ESP10, 422, 441, 452, 454, 457, 567, , 571
ESP10, 423, 443, 452, 455, 458, 569, , 573
ESP10, 424, 443, 453, 456, 458, 572, , 576
ESP10, 426, 443, 454, 457, 459, 574, , 578
ESP10, 425, 442, 453, 456, 458, 576, , 580
ESP10, 427, 445, 454, 456, 459, 579, , 583
ESP10, 428, 448, 454, 457, 459, 581, , 585
ESP10, 429, 449, 454, 457, 459, 583, , 587
ESP10, 432, 450, 455, 458, 459, 586, , 590
ESP10, 431, 446, 452, 456, 457, 588, , 592
ESP10, 432, 447, 452, 456, 458, 590, , 594
ESP10, 432, 447, 451, 455, 458, 592, , 596
ESP10, 431, 447, 452, 455, 457, 595, , 599
ESP10, 432, 448, 452, 455, 457, 597, , 601
ESP10, 432, 449, 453, 455, 457, 599, , 603
ESP10, 434, 447, 451, 454, 455, 602, , 606
ESP10, 434, 444, 450, 452, 454, 604, , 608
ESP10, 434, 445, 450, 453, 454, 606, , 610
ESP10, 436, 446, 450, 453, 453, 609, , 613
ESP10, 435, 445, 450, 452, 453, 611, , 615
ESP10, 435, 445, 449, 451, 452, 613, , 617
ESP10, 435, 444, 449, 450, 450, 616, , 620
ESP10, 441, 446, 451, 452, 452, 618, , 622
ESP10, 446, 451, 454, 455, 455, 620, , 624
ESP10, 444, 450, 453, 454, 454, 622, , 626
ESP10, 446, 452, 454, 455, 455, 625, , 629
ESP10, 446, 453, 455, 456, 456, 627, , 631
ESP10, 448, 453, 455, 456, 456, 629, , 633
ESP10, 450, 454, 456, 457, 457, 632, , 636
ESP10, 450, 453, 455, 455, 456, 634, , 638
ESP10, 447, 452, 453, 454, 454, 636, , 640
ESP10, 450, 453, 454, 455, 455, 639, , 643
ESP10, 452, 454, 455, 455, 456, 641, , 645
ESP10, 453, 455, 455, 455, 456, 643, , 647
ESP10, 453, 455, 455, 455, 455, 646, , 650
ESP10, 454, 455, 456, 456, 456, 648, , 652
ESP10, 453, 455, 455, 455, 455, 650, , 654
ESP10, 454, 455, 455, 455, 455, 653, , 657
ESP10, 453, 455, 455, 455, 455, 655, , 659
ESP10, 454, 455, 455, 455, 455, 657, , 661
ESP10, 454, 455, 455, 455, 455, 659, , 663
ESP10, 452, 454, 454, 454, 454, 662, , 666
ESP10, 452, 453, 453, 454, 454, 664, , 668
ESP10, 452, 453, 454, 454, 454, 666, , 670
ESP10, 455, 456, 457, 457, 457, 669, , 673
ESP10, 456, 457, 457, 457, 457, 671, , 675
ESP10, 455, 456, 457, 457, 457, 673, , 677
ESP10, 455, 456, 457, 457, 457, 676, , 680
ESP10, 455, 457, 457, 457, 457, 678, , 682
ESP10, 456, 457, 457, 457, 457, 680, , 684
ESP10, 456, 457, 457, 458, 458, 683, , 687
ESP10, 457, 457, 457, 457, 457, 685, , 689
ESP10, 456, 457, 457, 457, 457, 687, , 691
ESP10, 456, 457, 457, 457, 457, 689, , 693
ESP10, 456, 457, 457, 457, 457, 692, , 696
ESP10, 456, 457, 457, 457, 457, 694, , 698
ESP10, 455, 456, 456, 456, 456, 696, , 700
ESP10, 457, 457, 458, 458, 458, 699, , 703
ESP10, 457, 457, 457, 458, 458, 701, , 705
ESP10, 457, 457, 457, 458, 458, 703, , 707
ESP10, 457, 457, 457, 457, 457, 706, , 710
ESP10, 457, 457, 457, 457, 457, 708, , 712
ESP10, 457, 457, 457, 457, 457, 710, , 714
ESP10, 457, 457, 458, 458, 458, 713, , 717
ESP10, 456, 456, 457, 457, 457, 715, , 719
ESP10, 457, 457, 457, 457, 457, 717, , 721
ESP10, 457, 457, 457, 458, 458, 720, , 724
ESP10, 457, 457, 457, 458, 458, 722, , 726
ESP10, 457, 458, 458, 458, 458, 724, , 728
ESP10, 457, 457, 457, 457, 457, 726, , 730
ESP10, 458, 458, 458, 458, 458, 729, , 733
ESP10, 459, 459, 459, 459, 459, 731, , 735
ESP10, 459, 459, 459, 459, 459, 733, , 737
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/watersupply/LLKW1W_SQIN.ESPF10.csv
LLKW1W_SQIN.ESPF0.csv|2026-07-16
LLKW1W_SQIN.ESPF10.csv|2026-07-16
LLKW1W_SQIN.ESPFM.csv|2026-07-16
APR-SEP
SPOKANE - AT LONGLAKE
(
LLKW1
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-07-16
Issued:
2026-07-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1802
2584
89
4098
2901
APR-JUL
1628
2373
87
3859
2714
JAN-SEP
2898
4307
93
5962
4619
JAN-JUL
2731
4122
93
5732
4433
OCT-SEP
3348
4961
94
6755
5295
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/watersupply/LLKW1W_SQIN.ESPF10.csv
LLKW1W_SQIN.ESPF0.csv|2026-07-16
LLKW1W_SQIN.ESPF10.csv|2026-07-16
LLKW1W_SQIN.ESPFM.csv|2026-07-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
