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Archive:
Water Year
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SNAKE - AT WEISER
(
WEII1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
4058
4074
68
4196
5956
APR-JUL
2942
2942
62
2942
4718
APR-AUG
3442
3444
65
3452
5311
JAN-SEP
6069
6086
68
6207
8957
JAN-JUL
4954
4954
64
4954
7719
OCT-SEP
8067
8083
72
8205
11199
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
4058
4075
68
4195
5956
APR-JUL
2942
2942
62
2942
4718
APR-AUG
3440
3445
65
3453
5311
JAN-SEP
6069
6087
68
6206
8957
JAN-JUL
4954
4954
64
4954
7719
OCT-SEP
8067
8084
72
8204
11199
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
4054
4076
68
4196
5956
APR-JUL
2942
2942
62
2942
4718
APR-AUG
3436
3443
65
3455
5311
JAN-SEP
6065
6087
68
6208
8957
JAN-JUL
4954
4954
64
4954
7719
OCT-SEP
8062
8085
72
8205
11199
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 209, 291, 430, 466, 485, 70, , 74
ESP10, 194, 285, 428, 469, 490, 72, , 76
ESP10, 194, 282, 432, 467, 495, 74, , 78
ESP10, 197, 285, 428, 464, 490, 76, , 80
ESP10, 205, 291, 434, 467, 496, 78, , 82
ESP10, 191, 290, 434, 466, 486, 81, , 85
ESP10, 201, 283, 435, 465, 484, 83, , 87
ESP10, 194, 284, 423, 465, 486, 85, , 89
ESP10, 191, 307, 427, 464, 485, 87, , 91
ESP10, 190, 298, 420, 462, 486, 89, , 93
ESP10, 177, 259, 414, 457, 484, 91, , 95
ESP10, 186, 269, 421, 454, 486, 93, , 97
ESP10, 199, 302, 422, 465, 489, 95, , 99
ESP10, 192, 302, 421, 461, 482, 97, , 101
ESP10, 186, 303, 416, 459, 479, 99, , 103
ESP10, 186, 288, 406, 446, 480, 101, , 105
ESP10, 187, 282, 404, 450, 481, 103, , 107
ESP10, 190, 285, 411, 453, 485, 106, , 110
ESP10, 176, 288, 408, 456, 480, 108, , 112
ESP10, 192, 288, 422, 459, 481, 110, , 114
ESP10, 177, 280, 403, 453, 480, 112, , 116
ESP10, 190, 273, 416, 460, 480, 114, , 118
ESP10, 207, 276, 416, 463, 478, 116, , 120
ESP10, 192, 283, 425, 470, 486, 118, , 122
ESP10, 210, 311, 428, 467, 485, 120, , 124
ESP10, 213, 282, 426, 465, 485, 122, , 126
ESP10, 211, 315, 425, 471, 489, 124, , 128
ESP10, 215, 325, 423, 472, 489, 126, , 130
ESP10, 214, 321, 420, 468, 490, 129, , 133
ESP10, 203, 282, 415, 457, 478, 131, , 135
ESP10, 202, 274, 413, 457, 477, 133, , 137
ESP10, 196, 302, 411, 459, 480, 135, , 139
ESP10, 222, 321, 421, 467, 484, 137, , 141
ESP10, 216, 301, 418, 468, 488, 139, , 143
ESP10, 219, 304, 420, 466, 491, 141, , 145
ESP10, 223, 309, 424, 470, 492, 143, , 147
ESP10, 220, 305, 420, 468, 492, 145, , 149
ESP10, 210, 302, 411, 466, 489, 147, , 151
ESP10, 204, 313, 412, 465, 491, 149, , 153
ESP10, 232, 359, 417, 468, 491, 151, , 155
ESP10, 243, 350, 426, 472, 496, 154, , 158
ESP10, 249, 351, 426, 471, 497, 156, , 160
ESP10, 239, 357, 426, 474, 496, 158, , 162
ESP10, 262, 354, 435, 475, 497, 160, , 164
ESP10, 268, 380, 440, 476, 499, 162, , 166
ESP10, 269, 378, 442, 477, 500, 164, , 168
ESP10, 272, 387, 444, 477, 502, 166, , 170
ESP10, 279, 386, 449, 477, 505, 168, , 172
ESP10, 274, 380, 445, 475, 502, 170, , 174
ESP10, 271, 387, 441, 476, 501, 172, , 176
ESP10, 270, 385, 443, 477, 500, 174, , 178
ESP10, 282, 381, 440, 480, 500, 177, , 181
ESP10, 300, 394, 448, 484, 505, 179, , 183
ESP10, 303, 397, 451, 484, 506, 181, , 185
ESP10, 301, 391, 450, 484, 507, 183, , 187
ESP10, 304, 400, 450, 484, 507, 185, , 189
ESP10, 289, 389, 450, 474, 505, 187, , 191
ESP10, 302, 401, 451, 480, 504, 189, , 193
ESP10, 313, 398, 454, 482, 507, 191, , 195
ESP10, 280, 383, 449, 480, 501, 193, , 197
ESP10, 291, 372, 419, 476, 491, 195, , 199
ESP10, 290, 373, 445, 478, 500, 197, , 201
ESP10, 291, 383, 431, 484, 495, 199, , 203
ESP10, 281, 365, 427, 478, 492, 202, , 206
ESP10, 277, 364, 430, 478, 491, 204, , 208
ESP10, 267, 370, 422, 473, 493, 206, , 210
ESP10, 249, 342, 430, 477, 491, 208, , 212
ESP10, 280, 381, 429, 478, 495, 210, , 214
ESP10, 285, 363, 434, 478, 496, 212, , 216
ESP10, 280, 375, 428, 472, 492, 214, , 218
ESP10, 292, 335, 429, 476, 490, 216, , 220
ESP10, 266, 323, 417, 470, 492, 218, , 222
ESP10, 249, 332, 414, 458, 489, 220, , 224
ESP10, 257, 334, 413, 461, 485, 222, , 226
ESP10, 258, 325, 418, 468, 489, 225, , 229
ESP10, 253, 312, 411, 456, 485, 227, , 231
ESP10, 236, 316, 393, 449, 482, 229, , 233
ESP10, 257, 326, 399, 451, 482, 231, , 235
ESP10, 252, 328, 398, 454, 482, 233, , 237
ESP10, 263, 327, 398, 453, 482, 235, , 239
ESP10, 261, 330, 410, 452, 483, 237, , 241
ESP10, 259, 326, 413, 451, 480, 239, , 243
ESP10, 267, 344, 415, 457, 481, 241, , 245
ESP10, 262, 343, 415, 457, 482, 243, , 247
ESP10, 259, 327, 397, 449, 480, 245, , 249
ESP10, 260, 335, 402, 460, 483, 248, , 252
ESP10, 260, 343, 409, 460, 483, 250, , 254
ESP10, 266, 343, 420, 462, 488, 252, , 256
ESP10, 264, 341, 419, 460, 484, 254, , 258
ESP10, 279, 343, 413, 460, 483, 256, , 260
ESP10, 264, 326, 402, 454, 479, 258, , 262
ESP10, 266, 334, 408, 444, 483, 260, , 264
ESP10, 266, 321, 402, 441, 480, 262, , 266
ESP10, 259, 335, 396, 441, 478, 264, , 268
ESP10, 256, 331, 379, 450, 477, 266, , 270
ESP10, 247, 336, 375, 453, 471, 268, , 272
ESP10, 262, 328, 398, 449, 472, 270, , 274
ESP10, 272, 332, 399, 450, 473, 273, , 277
ESP10, 275, 330, 406, 450, 473, 275, , 279
ESP10, 275, 342, 409, 449, 472, 277, , 281
ESP10, 277, 343, 407, 450, 475, 279, , 283
ESP10, 287, 341, 413, 450, 475, 281, , 285
ESP10, 309, 348, 407, 450, 475, 283, , 287
ESP10, 295, 344, 413, 450, 470, 285, , 289
ESP10, 307, 358, 413, 449, 476, 287, , 291
ESP10, 317, 351, 417, 450, 476, 289, , 293
ESP10, 297, 348, 413, 450, 470, 291, , 295
ESP10, 312, 375, 420, 450, 476, 293, , 297
ESP10, 312, 384, 422, 450, 477, 296, , 300
ESP10, 322, 385, 413, 453, 474, 298, , 302
ESP10, 312, 383, 417, 446, 482, 300, , 304
ESP10, 324, 382, 412, 456, 484, 302, , 306
ESP10, 326, 391, 418, 463, 483, 304, , 308
ESP10, 338, 393, 430, 463, 484, 306, , 310
ESP10, 366, 397, 430, 463, 486, 308, , 312
ESP10, 354, 399, 434, 465, 484, 310, , 314
ESP10, 356, 399, 434, 465, 482, 312, , 316
ESP10, 358, 401, 437, 465, 482, 314, , 318
ESP10, 358, 405, 435, 468, 484, 316, , 320
ESP10, 353, 402, 435, 469, 484, 318, , 322
ESP10, 360, 407, 437, 472, 483, 321, , 325
ESP10, 386, 403, 437, 470, 484, 323, , 327
ESP10, 367, 406, 437, 471, 483, 325, , 329
ESP10, 355, 389, 432, 457, 477, 327, , 331
ESP10, 357, 388, 434, 463, 479, 329, , 333
ESP10, 372, 395, 438, 471, 483, 331, , 335
ESP10, 375, 401, 435, 470, 483, 333, , 337
ESP10, 372, 399, 426, 466, 482, 335, , 339
ESP10, 372, 399, 426, 464, 481, 337, , 341
ESP10, 371, 396, 430, 459, 476, 339, , 343
ESP10, 374, 389, 426, 461, 470, 341, , 345
ESP10, 363, 384, 420, 448, 469, 344, , 348
ESP10, 371, 388, 426, 461, 474, 346, , 350
ESP10, 378, 393, 437, 462, 477, 348, , 352
ESP10, 393, 416, 440, 466, 478, 350, , 354
ESP10, 389, 408, 435, 465, 480, 352, , 356
ESP10, 387, 414, 433, 459, 478, 354, , 358
ESP10, 363, 387, 429, 456, 474, 356, , 360
ESP10, 352, 387, 423, 453, 472, 358, , 362
ESP10, 376, 416, 435, 457, 481, 360, , 364
ESP10, 377, 412, 434, 455, 478, 362, , 366
ESP10, 380, 413, 439, 462, 478, 364, , 368
ESP10, 386, 405, 443, 465, 481, 366, , 370
ESP10, 382, 407, 437, 467, 486, 369, , 373
ESP10, 384, 406, 435, 458, 484, 371, , 375
ESP10, 385, 417, 438, 469, 484, 373, , 377
ESP10, 388, 420, 441, 471, 483, 375, , 379
ESP10, 392, 423, 441, 467, 479, 377, , 381
ESP10, 382, 410, 447, 465, 479, 379, , 383
ESP10, 363, 399, 435, 464, 474, 381, , 385
ESP10, 392, 424, 440, 466, 478, 383, , 387
ESP10, 387, 420, 441, 469, 478, 385, , 389
ESP10, 385, 426, 446, 468, 483, 387, , 391
ESP10, 379, 424, 447, 468, 481, 389, , 393
ESP10, 404, 426, 444, 473, 483, 392, , 396
ESP10, 403, 429, 446, 468, 479, 394, , 398
ESP10, 403, 429, 445, 467, 476, 396, , 400
ESP10, 384, 419, 440, 465, 479, 398, , 402
ESP10, 411, 426, 443, 468, 479, 400, , 404
ESP10, 403, 428, 451, 472, 483, 402, , 406
ESP10, 416, 425, 453, 471, 480, 404, , 408
ESP10, 397, 419, 441, 466, 480, 406, , 410
ESP10, 418, 434, 449, 477, 486, 408, , 412
ESP10, 421, 437, 454, 479, 487, 410, , 414
ESP10, 420, 436, 459, 481, 487, 412, , 416
ESP10, 422, 438, 464, 480, 492, 414, , 418
ESP10, 415, 438, 459, 478, 487, 417, , 421
ESP10, 419, 430, 459, 480, 490, 419, , 423
ESP10, 428, 436, 465, 484, 492, 421, , 425
ESP10, 429, 453, 472, 485, 495, 423, , 427
ESP10, 428, 444, 471, 484, 493, 425, , 429
ESP10, 430, 447, 473, 485, 494, 427, , 431
ESP10, 430, 453, 473, 486, 494, 429, , 433
ESP10, 423, 444, 467, 478, 489, 431, , 435
ESP10, 433, 447, 470, 479, 484, 433, , 437
ESP10, 431, 445, 470, 479, 490, 435, , 439
ESP10, 425, 450, 469, 477, 490, 437, , 441
ESP10, 428, 448, 467, 478, 492, 440, , 444
ESP10, 430, 453, 471, 479, 493, 442, , 446
ESP10, 434, 455, 470, 479, 493, 444, , 448
ESP10, 434, 454, 471, 481, 492, 446, , 450
ESP10, 440, 458, 475, 485, 494, 448, , 452
ESP10, 434, 455, 473, 482, 492, 450, , 454
ESP10, 441, 456, 474, 484, 494, 452, , 456
ESP10, 437, 454, 470, 482, 487, 454, , 458
ESP10, 435, 457, 473, 482, 491, 456, , 460
ESP10, 435, 456, 472, 483, 488, 458, , 462
ESP10, 441, 458, 475, 486, 493, 460, , 464
ESP10, 437, 454, 470, 477, 489, 462, , 466
ESP10, 438, 452, 472, 480, 487, 465, , 469
ESP10, 444, 459, 476, 484, 491, 467, , 471
ESP10, 446, 455, 475, 482, 488, 469, , 473
ESP10, 444, 453, 472, 479, 483, 471, , 475
ESP10, 434, 447, 460, 470, 476, 473, , 477
ESP10, 434, 444, 463, 468, 473, 475, , 479
ESP10, 437, 452, 461, 469, 476, 477, , 481
ESP10, 433, 451, 462, 469, 477, 479, , 483
ESP10, 439, 452, 463, 470, 476, 481, , 485
ESP10, 438, 451, 461, 466, 473, 483, , 487
ESP10, 432, 450, 459, 464, 471, 485, , 489
ESP10, 435, 449, 459, 465, 472, 488, , 492
ESP10, 437, 448, 460, 466, 471, 490, , 494
ESP10, 444, 454, 463, 468, 473, 492, , 496
ESP10, 449, 457, 465, 470, 472, 494, , 498
ESP10, 447, 458, 466, 471, 476, 496, , 500
ESP10, 448, 459, 468, 471, 476, 498, , 502
ESP10, 446, 458, 466, 469, 473, 500, , 504
ESP10, 446, 456, 465, 469, 472, 502, , 506
ESP10, 449, 457, 467, 472, 478, 504, , 508
ESP10, 452, 458, 469, 473, 479, 506, , 510
ESP10, 452, 461, 471, 476, 481, 508, , 512
ESP10, 454, 462, 471, 477, 481, 510, , 514
ESP10, 455, 465, 472, 477, 482, 513, , 517
ESP10, 454, 463, 470, 475, 480, 515, , 519
ESP10, 456, 465, 471, 479, 482, 517, , 521
ESP10, 459, 467, 474, 480, 484, 519, , 523
ESP10, 459, 467, 473, 480, 483, 521, , 525
ESP10, 459, 466, 471, 477, 481, 523, , 527
ESP10, 459, 467, 471, 477, 480, 525, , 529
ESP10, 455, 463, 470, 475, 479, 527, , 531
ESP10, 458, 467, 470, 476, 479, 529, , 533
ESP10, 455, 464, 469, 475, 477, 531, , 535
ESP10, 460, 468, 473, 479, 481, 533, , 537
ESP10, 462, 470, 474, 480, 482, 536, , 540
ESP10, 461, 466, 470, 478, 480, 538, , 542
ESP10, 459, 467, 473, 478, 480, 540, , 544
ESP10, 460, 466, 473, 478, 480, 542, , 546
ESP10, 462, 467, 474, 479, 481, 544, , 548
ESP10, 463, 467, 473, 478, 479, 546, , 550
ESP10, 464, 470, 477, 481, 482, 548, , 552
ESP10, 464, 471, 478, 482, 483, 550, , 554
ESP10, 466, 473, 480, 484, 485, 552, , 556
ESP10, 468, 474, 479, 484, 485, 554, , 558
ESP10, 468, 473, 478, 484, 485, 556, , 560
ESP10, 467, 473, 477, 482, 483, 558, , 562
ESP10, 467, 472, 480, 483, 485, 561, , 565
ESP10, 465, 473, 478, 483, 485, 563, , 567
ESP10, 466, 473, 476, 482, 484, 565, , 569
ESP10, 466, 470, 475, 477, 482, 567, , 571
ESP10, 465, 470, 475, 478, 482, 569, , 573
ESP10, 465, 470, 475, 478, 481, 571, , 575
ESP10, 466, 473, 478, 482, 483, 573, , 577
ESP10, 471, 478, 483, 486, 487, 575, , 579
ESP10, 468, 475, 479, 483, 484, 577, , 581
ESP10, 469, 477, 480, 485, 486, 579, , 583
ESP10, 469, 477, 480, 484, 486, 581, , 585
ESP10, 469, 477, 481, 485, 486, 584, , 588
ESP10, 470, 475, 480, 481, 485, 586, , 590
ESP10, 471, 476, 481, 485, 487, 588, , 592
ESP10, 470, 478, 482, 485, 486, 590, , 594
ESP10, 471, 479, 483, 485, 486, 592, , 596
ESP10, 468, 477, 481, 483, 484, 594, , 598
ESP10, 468, 477, 481, 483, 485, 596, , 600
ESP10, 468, 477, 481, 483, 484, 598, , 602
ESP10, 469, 478, 482, 484, 485, 600, , 604
ESP10, 470, 478, 482, 485, 486, 602, , 606
ESP10, 471, 477, 480, 483, 485, 604, , 608
ESP10, 471, 479, 483, 485, 486, 607, , 611
ESP10, 471, 478, 482, 485, 486, 609, , 613
ESP10, 472, 479, 482, 484, 486, 611, , 615
ESP10, 472, 477, 482, 483, 484, 613, , 617
ESP10, 473, 478, 482, 484, 487, 615, , 619
ESP10, 472, 477, 481, 482, 483, 617, , 621
ESP10, 472, 476, 480, 481, 482, 619, , 623
ESP10, 474, 478, 482, 483, 484, 621, , 625
ESP10, 474, 478, 482, 483, 484, 623, , 627
ESP10, 475, 479, 483, 484, 485, 625, , 629
ESP10, 475, 479, 483, 484, 485, 627, , 631
ESP10, 472, 476, 480, 481, 482, 629, , 633
ESP10, 471, 475, 479, 480, 481, 632, , 636
ESP10, 471, 475, 479, 480, 481, 634, , 638
ESP10, 472, 475, 480, 481, 481, 636, , 640
ESP10, 472, 476, 480, 481, 482, 638, , 642
ESP10, 474, 477, 481, 482, 483, 640, , 644
ESP10, 474, 478, 482, 483, 484, 642, , 646
ESP10, 475, 478, 482, 483, 484, 644, , 648
ESP10, 476, 478, 483, 484, 485, 646, , 650
ESP10, 477, 479, 484, 485, 486, 648, , 652
ESP10, 477, 480, 484, 486, 486, 650, , 654
ESP10, 478, 480, 485, 486, 487, 652, , 656
ESP10, 477, 479, 484, 485, 486, 655, , 659
ESP10, 478, 481, 485, 487, 487, 657, , 661
ESP10, 478, 480, 485, 486, 487, 659, , 663
ESP10, 479, 481, 486, 487, 488, 661, , 665
ESP10, 479, 482, 486, 488, 488, 663, , 667
ESP10, 479, 481, 486, 487, 488, 665, , 669
ESP10, 480, 483, 487, 488, 489, 667, , 671
ESP10, 480, 483, 487, 488, 489, 669, , 673
ESP10, 480, 482, 486, 488, 488, 671, , 675
ESP10, 480, 483, 487, 488, 489, 673, , 677
ESP10, 480, 483, 487, 489, 489, 675, , 679
ESP10, 481, 484, 488, 489, 490, 677, , 681
ESP10, 481, 484, 488, 489, 490, 680, , 684
ESP10, 481, 484, 488, 489, 490, 682, , 686
ESP10, 481, 484, 488, 490, 490, 684, , 688
ESP10, 481, 484, 488, 489, 490, 686, , 690
ESP10, 482, 486, 489, 490, 491, 688, , 692
ESP10, 482, 485, 489, 490, 491, 690, , 694
ESP10, 484, 488, 491, 492, 493, 692, , 696
ESP10, 484, 487, 491, 492, 493, 694, , 698
ESP10, 484, 487, 491, 492, 492, 696, , 700
ESP10, 485, 488, 491, 492, 493, 698, , 702
ESP10, 484, 488, 491, 492, 493, 700, , 704
ESP10, 485, 488, 492, 493, 493, 703, , 707
ESP10, 485, 488, 491, 492, 493, 705, , 709
ESP10, 486, 490, 493, 494, 494, 707, , 711
ESP10, 486, 490, 493, 494, 494, 709, , 713
ESP10, 486, 490, 493, 494, 494, 711, , 715
ESP10, 484, 487, 490, 491, 491, 713, , 717
ESP10, 483, 486, 489, 490, 490, 715, , 719
ESP10, 483, 487, 490, 490, 491, 717, , 721
ESP10, 483, 487, 489, 490, 490, 719, , 723
ESP10, 485, 488, 491, 492, 492, 721, , 725
ESP10, 485, 488, 491, 492, 492, 723, , 727
ESP10, 487, 490, 493, 493, 493, 725, , 729
ESP10, 486, 489, 491, 492, 492, 728, , 732
ESP10, 486, 490, 492, 493, 493, 730, , 734
ESP10, 487, 490, 492, 493, 493, 732, , 736
ESP10, 486, 489, 491, 492, 492, 734, , 738
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/WEII1W_SQIN.ESPF10.csv
WEII1W_SQIN.ESPF0.csv|2026-08-16
WEII1W_SQIN.ESPF10.csv|2026-08-16
WEII1W_SQIN.ESPFM.csv|2026-08-16
APR-SEP
SNAKE - AT WEISER
(
WEII1
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3956
5542
93
8908
5956
APR-JUL
2870
4114
87
7409
4718
APR-AUG
3372
4747
89
8152
5311
JAN-SEP
6414
8423
94
12782
8957
JAN-JUL
5349
7230
94
11221
7719
OCT-SEP
8663
11249
100
15698
11199
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/WEII1W_SQIN.ESPF10.csv
WEII1W_SQIN.ESPF0.csv|2026-08-16
WEII1W_SQIN.ESPF10.csv|2026-08-16
WEII1W_SQIN.ESPFM.csv|2026-08-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
