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Archive:
Water Year
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NACHES - NEAR NACHES
(
NACW1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
489
492
61
495
807
APR-JUL
447
447
61
447
737
APR-AUG
470
470
61
471
773
JAN-SEP
1031
1034
94
1037
1100
JAN-JUL
988
988
96
988
1030
OCT-SEP
1600
1603
124
1606
1297
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
486
488
60
493
807
APR-JUL
447
447
61
447
737
APR-AUG
467
467
60
468
773
JAN-SEP
1027
1030
94
1035
1100
JAN-JUL
988
988
96
988
1030
OCT-SEP
1596
1599
123
1604
1297
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
489
492
61
497
807
APR-JUL
447
447
61
447
737
APR-AUG
469
470
61
472
773
JAN-SEP
1031
1033
94
1039
1100
JAN-JUL
988
988
96
988
1030
OCT-SEP
1600
1602
124
1608
1297
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 275, 324, 359, 411, 445, 70, , 74
ESP10, 274, 323, 358, 410, 444, 72, , 76
ESP10, 277, 324, 360, 411, 445, 74, , 78
ESP10, 278, 324, 360, 411, 445, 76, , 80
ESP10, 278, 324, 361, 412, 445, 78, , 82
ESP10, 277, 324, 361, 411, 445, 81, , 85
ESP10, 275, 322, 362, 410, 445, 83, , 87
ESP10, 276, 323, 362, 410, 445, 85, , 89
ESP10, 277, 324, 363, 410, 445, 87, , 91
ESP10, 273, 322, 362, 407, 445, 89, , 93
ESP10, 275, 325, 365, 410, 445, 91, , 95
ESP10, 276, 323, 363, 408, 445, 93, , 97
ESP10, 278, 324, 364, 409, 445, 95, , 99
ESP10, 277, 323, 363, 409, 446, 97, , 101
ESP10, 273, 322, 362, 407, 446, 99, , 103
ESP10, 261, 314, 354, 402, 443, 102, , 106
ESP10, 251, 305, 346, 398, 438, 104, , 108
ESP10, 255, 312, 350, 398, 439, 106, , 110
ESP10, 259, 315, 353, 399, 441, 108, , 112
ESP10, 269, 315, 357, 400, 442, 110, , 114
ESP10, 260, 303, 347, 393, 436, 112, , 116
ESP10, 269, 314, 355, 400, 444, 114, , 118
ESP10, 261, 307, 349, 395, 440, 116, , 120
ESP10, 269, 312, 357, 401, 444, 118, , 122
ESP10, 267, 312, 357, 405, 443, 120, , 124
ESP10, 263, 313, 356, 404, 441, 122, , 126
ESP10, 264, 320, 358, 407, 444, 125, , 129
ESP10, 265, 322, 358, 408, 445, 127, , 131
ESP10, 260, 321, 355, 406, 444, 129, , 133
ESP10, 248, 310, 347, 400, 435, 131, , 135
ESP10, 237, 301, 340, 395, 427, 133, , 137
ESP10, 242, 305, 342, 398, 430, 135, , 139
ESP10, 240, 302, 341, 397, 428, 137, , 141
ESP10, 257, 315, 355, 406, 438, 139, , 143
ESP10, 260, 315, 358, 411, 439, 141, , 145
ESP10, 261, 318, 365, 412, 442, 143, , 147
ESP10, 263, 322, 370, 410, 443, 145, , 149
ESP10, 257, 317, 368, 406, 439, 148, , 152
ESP10, 256, 316, 370, 405, 439, 150, , 154
ESP10, 259, 319, 372, 405, 440, 152, , 156
ESP10, 267, 325, 377, 409, 445, 154, , 158
ESP10, 276, 329, 385, 412, 452, 156, , 160
ESP10, 275, 324, 383, 411, 448, 158, , 162
ESP10, 287, 332, 394, 420, 457, 160, , 164
ESP10, 287, 332, 393, 418, 456, 162, , 166
ESP10, 287, 333, 393, 417, 456, 164, , 168
ESP10, 284, 333, 391, 416, 455, 166, , 170
ESP10, 295, 339, 395, 422, 460, 169, , 173
ESP10, 294, 336, 391, 420, 458, 171, , 175
ESP10, 296, 335, 390, 423, 460, 173, , 177
ESP10, 294, 331, 387, 424, 458, 175, , 179
ESP10, 294, 329, 389, 423, 458, 177, , 181
ESP10, 291, 331, 389, 419, 456, 179, , 183
ESP10, 302, 339, 399, 426, 462, 181, , 185
ESP10, 301, 339, 400, 425, 460, 183, , 187
ESP10, 307, 348, 405, 430, 464, 185, , 189
ESP10, 300, 346, 401, 425, 464, 187, , 191
ESP10, 298, 346, 400, 424, 465, 189, , 193
ESP10, 302, 348, 401, 430, 465, 192, , 196
ESP10, 285, 330, 384, 418, 451, 194, , 198
ESP10, 293, 336, 390, 426, 457, 196, , 200
ESP10, 299, 340, 396, 432, 459, 198, , 202
ESP10, 293, 337, 391, 426, 458, 200, , 204
ESP10, 277, 322, 378, 413, 450, 202, , 206
ESP10, 282, 328, 382, 417, 453, 204, , 208
ESP10, 271, 320, 376, 409, 444, 206, , 210
ESP10, 296, 343, 397, 434, 464, 208, , 212
ESP10, 294, 345, 397, 434, 465, 210, , 214
ESP10, 293, 350, 396, 432, 462, 212, , 216
ESP10, 283, 336, 382, 419, 450, 215, , 219
ESP10, 272, 321, 369, 410, 443, 217, , 221
ESP10, 267, 318, 365, 405, 442, 219, , 223
ESP10, 269, 324, 365, 406, 444, 221, , 225
ESP10, 277, 332, 375, 413, 448, 223, , 227
ESP10, 276, 336, 376, 414, 448, 225, , 229
ESP10, 277, 341, 378, 419, 448, 227, , 231
ESP10, 274, 336, 371, 414, 441, 229, , 233
ESP10, 284, 338, 369, 412, 438, 231, , 235
ESP10, 293, 348, 380, 419, 444, 233, , 237
ESP10, 286, 336, 373, 409, 436, 236, , 240
ESP10, 297, 347, 384, 421, 444, 238, , 242
ESP10, 296, 347, 382, 420, 443, 240, , 244
ESP10, 302, 353, 385, 423, 446, 242, , 246
ESP10, 303, 358, 386, 429, 447, 244, , 248
ESP10, 299, 358, 385, 426, 444, 246, , 250
ESP10, 291, 351, 385, 419, 438, 248, , 252
ESP10, 298, 357, 390, 423, 443, 250, , 254
ESP10, 300, 360, 391, 426, 446, 252, , 256
ESP10, 301, 361, 391, 426, 448, 254, , 258
ESP10, 298, 354, 382, 419, 443, 256, , 260
ESP10, 305, 359, 390, 428, 445, 259, , 263
ESP10, 305, 358, 390, 426, 444, 261, , 265
ESP10, 300, 353, 385, 420, 440, 263, , 267
ESP10, 302, 354, 384, 419, 439, 265, , 269
ESP10, 301, 353, 384, 417, 438, 267, , 271
ESP10, 299, 351, 384, 415, 436, 269, , 273
ESP10, 298, 356, 385, 413, 437, 271, , 275
ESP10, 300, 360, 388, 416, 441, 273, , 277
ESP10, 311, 365, 392, 420, 444, 275, , 279
ESP10, 315, 368, 394, 423, 445, 277, , 281
ESP10, 314, 369, 396, 423, 444, 279, , 283
ESP10, 313, 368, 397, 423, 444, 282, , 286
ESP10, 312, 367, 395, 425, 444, 284, , 288
ESP10, 311, 368, 394, 426, 444, 286, , 290
ESP10, 311, 370, 395, 427, 442, 288, , 292
ESP10, 311, 368, 392, 424, 440, 290, , 294
ESP10, 309, 366, 389, 419, 436, 292, , 296
ESP10, 314, 374, 395, 422, 439, 294, , 298
ESP10, 319, 377, 398, 422, 439, 296, , 300
ESP10, 325, 385, 403, 429, 441, 298, , 302
ESP10, 326, 383, 403, 426, 438, 300, , 304
ESP10, 331, 388, 407, 429, 441, 303, , 307
ESP10, 332, 393, 412, 433, 445, 305, , 309
ESP10, 337, 398, 418, 437, 449, 307, , 311
ESP10, 344, 405, 424, 440, 456, 309, , 313
ESP10, 342, 402, 421, 437, 454, 311, , 315
ESP10, 345, 407, 424, 442, 460, 313, , 317
ESP10, 348, 406, 424, 444, 461, 315, , 319
ESP10, 351, 410, 430, 445, 462, 317, , 321
ESP10, 353, 411, 435, 446, 468, 319, , 323
ESP10, 360, 412, 438, 446, 470, 321, , 325
ESP10, 363, 410, 436, 445, 468, 323, , 327
ESP10, 364, 409, 432, 445, 465, 326, , 330
ESP10, 364, 407, 429, 446, 461, 328, , 332
ESP10, 365, 409, 428, 444, 462, 330, , 334
ESP10, 365, 411, 429, 444, 462, 332, , 336
ESP10, 363, 408, 427, 444, 461, 334, , 338
ESP10, 374, 413, 431, 447, 465, 336, , 340
ESP10, 373, 410, 426, 444, 461, 338, , 342
ESP10, 371, 412, 426, 443, 461, 340, , 344
ESP10, 372, 414, 426, 445, 462, 342, , 346
ESP10, 372, 415, 428, 449, 462, 344, , 348
ESP10, 365, 408, 420, 442, 453, 346, , 350
ESP10, 368, 411, 423, 443, 456, 349, , 353
ESP10, 369, 413, 424, 443, 459, 351, , 355
ESP10, 362, 406, 420, 437, 453, 353, , 357
ESP10, 362, 404, 418, 436, 450, 355, , 359
ESP10, 369, 409, 424, 440, 458, 357, , 361
ESP10, 358, 398, 412, 429, 447, 359, , 363
ESP10, 364, 404, 420, 435, 452, 361, , 365
ESP10, 363, 399, 417, 429, 447, 363, , 367
ESP10, 369, 404, 424, 437, 453, 365, , 369
ESP10, 369, 402, 424, 435, 452, 367, , 371
ESP10, 376, 414, 431, 442, 461, 370, , 374
ESP10, 383, 421, 437, 449, 467, 372, , 376
ESP10, 388, 424, 440, 451, 471, 374, , 378
ESP10, 388, 424, 438, 449, 470, 376, , 380
ESP10, 386, 419, 437, 444, 467, 378, , 382
ESP10, 384, 417, 435, 442, 464, 380, , 384
ESP10, 386, 416, 435, 444, 463, 382, , 386
ESP10, 388, 420, 436, 446, 464, 384, , 388
ESP10, 387, 421, 434, 444, 464, 386, , 390
ESP10, 380, 414, 429, 441, 459, 388, , 392
ESP10, 372, 405, 420, 433, 448, 390, , 394
ESP10, 372, 399, 415, 428, 443, 393, , 397
ESP10, 371, 395, 412, 425, 439, 395, , 399
ESP10, 371, 396, 411, 423, 438, 397, , 401
ESP10, 368, 393, 409, 420, 434, 399, , 403
ESP10, 363, 388, 405, 417, 428, 401, , 405
ESP10, 366, 389, 405, 417, 429, 403, , 407
ESP10, 371, 391, 408, 421, 432, 405, , 409
ESP10, 366, 386, 403, 417, 429, 407, , 411
ESP10, 382, 404, 419, 434, 444, 409, , 413
ESP10, 387, 409, 425, 440, 449, 411, , 415
ESP10, 388, 408, 423, 438, 449, 413, , 417
ESP10, 387, 404, 421, 436, 446, 416, , 420
ESP10, 381, 392, 411, 425, 438, 418, , 422
ESP10, 387, 395, 413, 426, 441, 420, , 424
ESP10, 392, 400, 416, 430, 443, 422, , 426
ESP10, 400, 408, 420, 435, 447, 424, , 428
ESP10, 400, 408, 418, 434, 446, 426, , 430
ESP10, 398, 403, 413, 429, 440, 428, , 432
ESP10, 398, 403, 416, 428, 442, 430, , 434
ESP10, 392, 400, 410, 422, 436, 432, , 436
ESP10, 391, 400, 409, 421, 435, 434, , 438
ESP10, 394, 404, 412, 424, 438, 437, , 441
ESP10, 390, 399, 410, 421, 434, 439, , 443
ESP10, 392, 401, 413, 423, 437, 441, , 445
ESP10, 393, 402, 416, 424, 438, 443, , 447
ESP10, 391, 402, 416, 425, 438, 445, , 449
ESP10, 393, 404, 418, 428, 439, 447, , 451
ESP10, 394, 407, 419, 431, 440, 449, , 453
ESP10, 395, 409, 420, 431, 440, 451, , 455
ESP10, 398, 413, 423, 433, 442, 453, , 457
ESP10, 399, 412, 422, 434, 441, 455, , 459
ESP10, 400, 412, 422, 436, 441, 457, , 461
ESP10, 409, 421, 432, 446, 451, 460, , 464
ESP10, 409, 421, 432, 445, 451, 462, , 466
ESP10, 406, 420, 430, 442, 448, 464, , 468
ESP10, 404, 416, 427, 439, 445, 466, , 470
ESP10, 406, 418, 427, 440, 444, 468, , 472
ESP10, 404, 417, 425, 438, 443, 470, , 474
ESP10, 405, 419, 425, 438, 443, 472, , 476
ESP10, 406, 419, 426, 437, 442, 474, , 478
ESP10, 404, 417, 424, 433, 439, 476, , 480
ESP10, 407, 419, 428, 436, 442, 478, , 482
ESP10, 410, 420, 428, 437, 442, 480, , 484
ESP10, 413, 422, 430, 437, 444, 483, , 487
ESP10, 412, 421, 429, 436, 442, 485, , 489
ESP10, 413, 420, 429, 435, 442, 487, , 491
ESP10, 415, 424, 431, 438, 444, 489, , 493
ESP10, 414, 425, 432, 438, 444, 491, , 495
ESP10, 415, 426, 432, 437, 444, 493, , 497
ESP10, 418, 428, 434, 439, 445, 495, , 499
ESP10, 419, 429, 435, 440, 446, 497, , 501
ESP10, 422, 429, 436, 441, 446, 499, , 503
ESP10, 420, 427, 434, 439, 444, 501, , 505
ESP10, 421, 429, 435, 439, 445, 504, , 508
ESP10, 420, 428, 434, 439, 444, 506, , 510
ESP10, 423, 428, 434, 441, 444, 508, , 512
ESP10, 422, 429, 434, 441, 444, 510, , 514
ESP10, 423, 429, 435, 441, 445, 512, , 516
ESP10, 426, 433, 439, 444, 448, 514, , 518
ESP10, 425, 434, 439, 445, 448, 516, , 520
ESP10, 426, 436, 441, 445, 448, 518, , 522
ESP10, 426, 437, 442, 446, 449, 520, , 524
ESP10, 427, 437, 442, 446, 449, 522, , 526
ESP10, 427, 437, 442, 447, 448, 524, , 528
ESP10, 428, 438, 443, 447, 449, 527, , 531
ESP10, 433, 440, 446, 450, 452, 529, , 533
ESP10, 435, 442, 448, 451, 453, 531, , 535
ESP10, 436, 443, 450, 453, 455, 533, , 537
ESP10, 435, 442, 448, 450, 454, 535, , 539
ESP10, 435, 443, 448, 450, 453, 537, , 541
ESP10, 434, 441, 447, 449, 452, 539, , 543
ESP10, 434, 443, 447, 449, 453, 541, , 545
ESP10, 433, 441, 445, 447, 451, 543, , 547
ESP10, 434, 439, 444, 446, 450, 545, , 549
ESP10, 435, 439, 444, 448, 451, 547, , 551
ESP10, 431, 436, 440, 444, 446, 550, , 554
ESP10, 429, 434, 439, 442, 444, 552, , 556
ESP10, 431, 435, 440, 443, 445, 554, , 558
ESP10, 430, 435, 439, 442, 444, 556, , 560
ESP10, 430, 435, 439, 441, 444, 558, , 562
ESP10, 429, 434, 438, 440, 442, 560, , 564
ESP10, 427, 431, 435, 437, 439, 562, , 566
ESP10, 427, 431, 434, 436, 438, 564, , 568
ESP10, 434, 437, 440, 442, 444, 566, , 570
ESP10, 438, 441, 444, 445, 447, 568, , 572
ESP10, 441, 443, 446, 447, 449, 571, , 575
ESP10, 440, 444, 446, 448, 449, 573, , 577
ESP10, 442, 446, 447, 449, 451, 575, , 579
ESP10, 443, 446, 448, 450, 451, 577, , 581
ESP10, 446, 448, 450, 452, 453, 579, , 583
ESP10, 444, 447, 448, 450, 452, 581, , 585
ESP10, 445, 447, 449, 451, 452, 583, , 587
ESP10, 445, 447, 449, 451, 452, 585, , 589
ESP10, 444, 446, 447, 449, 450, 587, , 591
ESP10, 442, 443, 445, 446, 448, 589, , 593
ESP10, 442, 444, 445, 447, 448, 591, , 595
ESP10, 445, 447, 448, 449, 450, 594, , 598
ESP10, 457, 459, 460, 461, 462, 596, , 600
ESP10, 454, 456, 457, 458, 459, 598, , 602
ESP10, 447, 448, 450, 451, 452, 600, , 604
ESP10, 447, 448, 450, 451, 452, 602, , 606
ESP10, 447, 449, 450, 451, 452, 604, , 608
ESP10, 447, 449, 450, 451, 452, 606, , 610
ESP10, 447, 449, 450, 451, 452, 608, , 612
ESP10, 441, 443, 444, 445, 446, 610, , 614
ESP10, 442, 443, 444, 445, 446, 612, , 616
ESP10, 443, 444, 445, 446, 447, 614, , 618
ESP10, 443, 444, 445, 446, 447, 617, , 621
ESP10, 443, 443, 445, 445, 446, 619, , 623
ESP10, 442, 443, 444, 445, 446, 621, , 625
ESP10, 442, 443, 444, 445, 446, 623, , 627
ESP10, 442, 443, 444, 445, 446, 625, , 629
ESP10, 441, 442, 443, 444, 444, 627, , 631
ESP10, 441, 442, 443, 444, 444, 629, , 633
ESP10, 441, 442, 443, 444, 444, 631, , 635
ESP10, 440, 442, 443, 444, 444, 633, , 637
ESP10, 440, 442, 443, 444, 444, 635, , 639
ESP10, 440, 441, 442, 443, 444, 638, , 642
ESP10, 440, 441, 442, 443, 444, 640, , 644
ESP10, 440, 441, 442, 443, 444, 642, , 646
ESP10, 440, 441, 442, 443, 443, 644, , 648
ESP10, 442, 443, 444, 445, 445, 646, , 650
ESP10, 442, 443, 444, 445, 445, 648, , 652
ESP10, 442, 443, 444, 445, 445, 650, , 654
ESP10, 442, 443, 444, 445, 445, 652, , 656
ESP10, 442, 443, 444, 445, 445, 654, , 658
ESP10, 442, 443, 444, 445, 446, 656, , 660
ESP10, 442, 443, 444, 445, 445, 658, , 662
ESP10, 442, 443, 444, 445, 445, 661, , 665
ESP10, 442, 443, 444, 445, 445, 663, , 667
ESP10, 441, 443, 443, 444, 445, 665, , 669
ESP10, 442, 443, 444, 445, 445, 667, , 671
ESP10, 442, 444, 444, 445, 446, 669, , 673
ESP10, 442, 443, 444, 445, 445, 671, , 675
ESP10, 442, 443, 444, 445, 445, 673, , 677
ESP10, 443, 444, 444, 446, 446, 675, , 679
ESP10, 443, 444, 445, 446, 446, 677, , 681
ESP10, 443, 444, 445, 446, 446, 679, , 683
ESP10, 443, 444, 445, 445, 446, 681, , 685
ESP10, 443, 444, 445, 446, 446, 684, , 688
ESP10, 443, 444, 445, 445, 446, 686, , 690
ESP10, 443, 444, 445, 446, 446, 688, , 692
ESP10, 444, 445, 445, 446, 447, 690, , 694
ESP10, 443, 444, 445, 446, 446, 692, , 696
ESP10, 443, 444, 445, 446, 446, 694, , 698
ESP10, 444, 444, 445, 446, 446, 696, , 700
ESP10, 443, 444, 445, 446, 446, 698, , 702
ESP10, 443, 444, 445, 446, 446, 700, , 704
ESP10, 443, 444, 445, 446, 446, 702, , 706
ESP10, 443, 444, 445, 446, 446, 705, , 709
ESP10, 443, 444, 445, 446, 446, 707, , 711
ESP10, 443, 444, 445, 446, 446, 709, , 713
ESP10, 443, 444, 445, 446, 446, 711, , 715
ESP10, 444, 445, 445, 446, 446, 713, , 717
ESP10, 444, 445, 445, 446, 446, 715, , 719
ESP10, 444, 445, 446, 446, 446, 717, , 721
ESP10, 444, 445, 446, 446, 447, 719, , 723
ESP10, 444, 445, 445, 446, 446, 721, , 725
ESP10, 444, 445, 445, 446, 446, 723, , 727
ESP10, 444, 445, 445, 446, 446, 725, , 729
ESP10, 444, 445, 446, 446, 446, 728, , 732
ESP10, 445, 445, 446, 446, 447, 730, , 734
ESP10, 444, 445, 445, 446, 446, 732, , 736
ESP10, 445, 445, 446, 446, 447, 734, , 738
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/watersupply/NACW1W_SQIN.ESPF10.csv
NACW1W_SQIN.ESPF0.csv|2026-08-15
NACW1W_SQIN.ESPF10.csv|2026-08-15
NACW1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
NACHES - NEAR NACHES
(
NACW1
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
483
742
92
1039
807
APR-JUL
439
682
92
977
737
APR-AUG
463
714
92
1012
773
JAN-SEP
654
992
90
1442
1100
JAN-JUL
605
945
92
1319
1030
OCT-SEP
739
1183
91
1635
1297
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/NACW1W_SQIN.ESPF10.csv
NACW1W_SQIN.ESPF0.csv|2026-08-15
NACW1W_SQIN.ESPF10.csv|2026-08-15
NACW1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
