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Archive:
Water Year
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SNAKE - NEAR SHELLEY
(
SHYI1
)
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
3068
3089
63
3117
4905
APR-JUL
2478
2478
61
2478
4090
APR-AUG
2797
2800
62
2803
4520
JAN-SEP
4048
4068
72
4096
5656
JAN-JUL
3457
3457
71
3457
4841
OCT-SEP
4927
4947
75
4975
6605
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
3068
3089
63
3117
4905
APR-JUL
2478
2478
61
2478
4090
APR-AUG
2793
2799
62
2803
4520
JAN-SEP
4047
4069
72
4097
5656
JAN-JUL
3457
3457
71
3457
4841
OCT-SEP
4926
4947
75
4976
6605
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
3073
3098
63
3138
4905
APR-JUL
2478
2478
61
2478
4090
APR-AUG
2795
2805
62
2825
4520
JAN-SEP
4052
4078
72
4117
5656
JAN-JUL
3457
3457
71
3457
4841
OCT-SEP
4931
4957
75
4996
6605
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 244, 318, 398, 432, 468, 70, , 74
ESP10, 239, 312, 392, 427, 464, 72, , 76
ESP10, 242, 315, 393, 429, 466, 74, , 78
ESP10, 242, 313, 394, 428, 466, 76, , 80
ESP10, 247, 315, 396, 429, 467, 78, , 82
ESP10, 248, 312, 396, 427, 465, 81, , 85
ESP10, 248, 308, 396, 424, 462, 83, , 87
ESP10, 246, 304, 394, 421, 461, 85, , 89
ESP10, 243, 301, 393, 419, 459, 87, , 91
ESP10, 232, 292, 385, 411, 452, 89, , 93
ESP10, 229, 287, 381, 407, 448, 91, , 95
ESP10, 233, 285, 379, 407, 448, 93, , 97
ESP10, 243, 291, 386, 414, 453, 95, , 99
ESP10, 247, 293, 387, 416, 458, 97, , 101
ESP10, 250, 295, 393, 419, 462, 99, , 103
ESP10, 242, 286, 386, 413, 456, 102, , 106
ESP10, 233, 279, 379, 406, 450, 104, , 108
ESP10, 231, 278, 378, 405, 449, 106, , 110
ESP10, 238, 285, 385, 413, 455, 108, , 112
ESP10, 239, 286, 386, 415, 455, 110, , 114
ESP10, 236, 282, 384, 412, 452, 112, , 116
ESP10, 244, 295, 393, 418, 457, 114, , 118
ESP10, 244, 299, 394, 418, 456, 116, , 120
ESP10, 246, 310, 395, 420, 458, 118, , 122
ESP10, 251, 318, 403, 424, 461, 120, , 124
ESP10, 252, 317, 400, 421, 460, 122, , 126
ESP10, 257, 321, 402, 424, 462, 125, , 129
ESP10, 264, 322, 404, 425, 464, 127, , 131
ESP10, 267, 323, 403, 425, 465, 129, , 133
ESP10, 257, 311, 393, 416, 456, 131, , 135
ESP10, 259, 313, 394, 418, 459, 133, , 137
ESP10, 265, 320, 397, 420, 465, 135, , 139
ESP10, 271, 327, 401, 425, 470, 137, , 141
ESP10, 266, 326, 397, 423, 471, 139, , 143
ESP10, 266, 326, 397, 425, 471, 141, , 145
ESP10, 266, 326, 399, 425, 473, 143, , 147
ESP10, 266, 324, 401, 427, 477, 145, , 149
ESP10, 261, 318, 395, 422, 474, 148, , 152
ESP10, 259, 315, 392, 422, 473, 150, , 154
ESP10, 267, 324, 403, 428, 478, 152, , 156
ESP10, 274, 329, 407, 431, 481, 154, , 158
ESP10, 271, 323, 402, 428, 476, 156, , 160
ESP10, 276, 326, 405, 432, 478, 158, , 162
ESP10, 280, 329, 409, 435, 480, 160, , 164
ESP10, 285, 329, 408, 436, 480, 162, , 166
ESP10, 284, 327, 405, 437, 477, 164, , 168
ESP10, 290, 332, 413, 442, 483, 166, , 170
ESP10, 292, 336, 415, 443, 486, 169, , 173
ESP10, 291, 336, 414, 443, 485, 171, , 175
ESP10, 286, 338, 410, 439, 482, 173, , 177
ESP10, 288, 340, 413, 442, 483, 175, , 179
ESP10, 285, 340, 411, 438, 480, 177, , 181
ESP10, 297, 345, 416, 440, 482, 179, , 183
ESP10, 300, 348, 418, 442, 483, 181, , 185
ESP10, 305, 357, 418, 443, 482, 183, , 187
ESP10, 305, 360, 419, 447, 483, 185, , 189
ESP10, 297, 355, 414, 449, 477, 187, , 191
ESP10, 301, 359, 421, 451, 479, 189, , 193
ESP10, 310, 361, 422, 452, 480, 192, , 196
ESP10, 301, 346, 410, 440, 468, 194, , 198
ESP10, 291, 331, 399, 429, 457, 196, , 200
ESP10, 302, 339, 407, 437, 465, 198, , 202
ESP10, 294, 334, 400, 429, 460, 200, , 204
ESP10, 286, 327, 395, 427, 455, 202, , 206
ESP10, 291, 328, 397, 431, 456, 204, , 208
ESP10, 286, 322, 391, 425, 450, 206, , 210
ESP10, 279, 316, 384, 419, 444, 208, , 212
ESP10, 293, 331, 394, 432, 457, 210, , 214
ESP10, 296, 337, 398, 436, 460, 212, , 216
ESP10, 288, 330, 390, 432, 454, 215, , 219
ESP10, 279, 319, 381, 423, 446, 217, , 221
ESP10, 272, 308, 373, 416, 439, 219, , 223
ESP10, 261, 297, 366, 407, 432, 221, , 225
ESP10, 262, 299, 368, 408, 434, 223, , 227
ESP10, 265, 300, 371, 409, 435, 225, , 229
ESP10, 259, 293, 361, 400, 428, 227, , 231
ESP10, 251, 283, 353, 392, 426, 229, , 233
ESP10, 249, 278, 350, 390, 425, 231, , 235
ESP10, 255, 279, 352, 392, 425, 233, , 237
ESP10, 260, 278, 354, 392, 425, 236, , 240
ESP10, 265, 281, 355, 395, 428, 238, , 242
ESP10, 271, 286, 356, 400, 431, 240, , 244
ESP10, 284, 296, 362, 409, 435, 242, , 246
ESP10, 281, 294, 358, 407, 432, 244, , 248
ESP10, 272, 292, 351, 400, 428, 246, , 250
ESP10, 272, 291, 355, 404, 432, 248, , 252
ESP10, 274, 293, 357, 404, 436, 250, , 254
ESP10, 284, 300, 363, 409, 441, 252, , 256
ESP10, 283, 299, 361, 410, 439, 254, , 258
ESP10, 284, 299, 359, 409, 437, 256, , 260
ESP10, 276, 295, 349, 399, 428, 259, , 263
ESP10, 272, 294, 347, 396, 424, 261, , 265
ESP10, 274, 305, 347, 396, 424, 263, , 267
ESP10, 264, 297, 338, 387, 416, 265, , 269
ESP10, 259, 291, 335, 382, 412, 267, , 271
ESP10, 258, 289, 337, 382, 411, 269, , 273
ESP10, 265, 291, 340, 383, 412, 271, , 275
ESP10, 270, 291, 339, 382, 414, 273, , 277
ESP10, 272, 294, 341, 384, 415, 275, , 279
ESP10, 275, 294, 342, 383, 418, 277, , 281
ESP10, 275, 296, 346, 383, 419, 279, , 283
ESP10, 275, 297, 346, 384, 420, 282, , 286
ESP10, 275, 299, 346, 384, 419, 284, , 288
ESP10, 275, 300, 346, 383, 417, 286, , 290
ESP10, 280, 315, 352, 387, 420, 288, , 292
ESP10, 281, 316, 354, 389, 420, 290, , 294
ESP10, 276, 312, 351, 385, 416, 292, , 296
ESP10, 284, 320, 356, 391, 420, 294, , 298
ESP10, 283, 324, 356, 393, 419, 296, , 300
ESP10, 291, 330, 361, 398, 423, 298, , 302
ESP10, 294, 328, 360, 398, 421, 300, , 304
ESP10, 297, 330, 361, 401, 422, 303, , 307
ESP10, 299, 336, 362, 402, 423, 305, , 309
ESP10, 300, 337, 364, 403, 425, 307, , 311
ESP10, 303, 339, 365, 403, 426, 309, , 313
ESP10, 307, 341, 367, 405, 428, 311, , 315
ESP10, 308, 342, 367, 405, 428, 313, , 317
ESP10, 310, 342, 367, 405, 431, 315, , 319
ESP10, 313, 346, 369, 405, 431, 317, , 321
ESP10, 320, 352, 372, 408, 432, 319, , 323
ESP10, 325, 350, 370, 410, 430, 321, , 325
ESP10, 322, 349, 372, 413, 428, 323, , 327
ESP10, 324, 350, 378, 415, 429, 326, , 330
ESP10, 314, 342, 371, 407, 423, 328, , 332
ESP10, 316, 343, 372, 409, 424, 330, , 334
ESP10, 318, 343, 375, 408, 425, 332, , 336
ESP10, 322, 348, 377, 410, 427, 334, , 338
ESP10, 324, 351, 384, 411, 427, 336, , 340
ESP10, 324, 350, 382, 412, 427, 338, , 342
ESP10, 329, 348, 379, 408, 423, 340, , 344
ESP10, 323, 342, 375, 401, 417, 342, , 346
ESP10, 320, 341, 373, 399, 417, 344, , 348
ESP10, 323, 344, 375, 402, 422, 346, , 350
ESP10, 323, 349, 380, 404, 424, 349, , 353
ESP10, 331, 359, 386, 412, 430, 351, , 355
ESP10, 331, 359, 387, 412, 431, 353, , 357
ESP10, 328, 358, 383, 409, 431, 355, , 359
ESP10, 323, 351, 376, 405, 427, 357, , 361
ESP10, 319, 345, 374, 399, 421, 359, , 363
ESP10, 327, 354, 382, 406, 427, 361, , 365
ESP10, 324, 351, 381, 403, 424, 363, , 367
ESP10, 321, 349, 378, 401, 420, 365, , 369
ESP10, 335, 364, 394, 414, 430, 367, , 371
ESP10, 332, 362, 389, 411, 425, 370, , 374
ESP10, 333, 365, 389, 412, 424, 372, , 376
ESP10, 333, 364, 386, 414, 423, 374, , 378
ESP10, 332, 363, 388, 414, 423, 376, , 380
ESP10, 328, 360, 385, 410, 420, 378, , 382
ESP10, 320, 353, 381, 403, 413, 380, , 384
ESP10, 314, 345, 378, 396, 407, 382, , 386
ESP10, 325, 357, 389, 404, 416, 384, , 388
ESP10, 325, 361, 390, 405, 416, 386, , 390
ESP10, 329, 365, 394, 409, 420, 388, , 392
ESP10, 327, 364, 392, 409, 418, 390, , 394
ESP10, 333, 369, 398, 412, 421, 393, , 397
ESP10, 329, 366, 395, 408, 418, 395, , 399
ESP10, 328, 366, 395, 409, 417, 397, , 401
ESP10, 325, 365, 392, 408, 415, 399, , 403
ESP10, 327, 367, 394, 409, 416, 401, , 405
ESP10, 333, 373, 403, 415, 425, 403, , 407
ESP10, 332, 368, 398, 412, 421, 405, , 409
ESP10, 326, 365, 392, 407, 415, 407, , 411
ESP10, 336, 375, 401, 417, 426, 409, , 413
ESP10, 339, 379, 404, 420, 429, 411, , 415
ESP10, 344, 382, 409, 423, 430, 413, , 417
ESP10, 346, 383, 410, 425, 431, 416, , 420
ESP10, 345, 383, 410, 423, 434, 418, , 422
ESP10, 352, 389, 413, 427, 438, 420, , 424
ESP10, 360, 393, 416, 430, 440, 422, , 426
ESP10, 363, 394, 417, 432, 440, 424, , 428
ESP10, 369, 395, 420, 432, 439, 426, , 430
ESP10, 371, 395, 419, 433, 443, 428, , 432
ESP10, 375, 395, 417, 433, 441, 430, , 434
ESP10, 369, 388, 410, 425, 433, 432, , 436
ESP10, 364, 383, 406, 420, 430, 434, , 438
ESP10, 365, 383, 406, 420, 430, 437, , 441
ESP10, 369, 385, 407, 425, 432, 439, , 443
ESP10, 367, 385, 405, 425, 434, 441, , 445
ESP10, 368, 387, 407, 425, 434, 443, , 447
ESP10, 366, 386, 410, 424, 433, 445, , 449
ESP10, 369, 387, 409, 423, 432, 447, , 451
ESP10, 365, 384, 406, 422, 429, 449, , 453
ESP10, 364, 384, 405, 422, 428, 451, , 455
ESP10, 369, 388, 411, 424, 429, 453, , 457
ESP10, 366, 381, 406, 419, 426, 455, , 459
ESP10, 369, 384, 410, 423, 431, 457, , 461
ESP10, 377, 391, 414, 428, 437, 460, , 464
ESP10, 373, 386, 410, 424, 434, 462, , 466
ESP10, 376, 387, 411, 428, 437, 464, , 468
ESP10, 379, 392, 414, 430, 438, 466, , 470
ESP10, 377, 392, 410, 427, 438, 468, , 472
ESP10, 384, 399, 417, 433, 445, 470, , 474
ESP10, 381, 395, 413, 430, 443, 472, , 476
ESP10, 388, 402, 422, 437, 449, 474, , 478
ESP10, 378, 395, 414, 430, 442, 476, , 480
ESP10, 383, 401, 420, 435, 445, 478, , 482
ESP10, 389, 407, 426, 440, 449, 480, , 484
ESP10, 395, 412, 434, 447, 452, 483, , 487
ESP10, 398, 409, 435, 446, 451, 485, , 489
ESP10, 403, 411, 435, 447, 452, 487, , 491
ESP10, 398, 408, 430, 441, 447, 489, , 493
ESP10, 400, 414, 432, 443, 450, 491, , 495
ESP10, 398, 412, 430, 442, 447, 493, , 497
ESP10, 407, 421, 437, 448, 454, 495, , 499
ESP10, 407, 423, 439, 449, 455, 497, , 501
ESP10, 403, 419, 435, 445, 451, 499, , 503
ESP10, 407, 419, 435, 447, 452, 501, , 505
ESP10, 408, 421, 438, 448, 453, 504, , 508
ESP10, 414, 428, 443, 454, 458, 506, , 510
ESP10, 417, 433, 447, 456, 461, 508, , 512
ESP10, 421, 435, 450, 458, 463, 510, , 514
ESP10, 423, 436, 452, 459, 466, 512, , 516
ESP10, 424, 436, 452, 458, 464, 514, , 518
ESP10, 425, 436, 452, 459, 465, 516, , 520
ESP10, 429, 439, 454, 460, 466, 518, , 522
ESP10, 431, 439, 454, 460, 466, 520, , 524
ESP10, 432, 441, 454, 461, 466, 522, , 526
ESP10, 431, 439, 451, 459, 463, 524, , 528
ESP10, 434, 440, 453, 461, 465, 527, , 531
ESP10, 436, 442, 457, 464, 468, 529, , 533
ESP10, 435, 442, 458, 462, 467, 531, , 535
ESP10, 437, 442, 457, 463, 467, 533, , 537
ESP10, 441, 445, 459, 464, 469, 535, , 539
ESP10, 442, 447, 461, 467, 470, 537, , 541
ESP10, 442, 446, 460, 466, 469, 539, , 543
ESP10, 446, 451, 463, 468, 471, 541, , 545
ESP10, 448, 454, 465, 470, 472, 543, , 547
ESP10, 450, 457, 468, 472, 473, 545, , 549
ESP10, 449, 456, 467, 471, 473, 547, , 551
ESP10, 446, 456, 465, 469, 471, 550, , 554
ESP10, 448, 460, 466, 470, 472, 552, , 556
ESP10, 449, 458, 464, 468, 471, 554, , 558
ESP10, 447, 458, 463, 466, 469, 556, , 560
ESP10, 447, 457, 463, 465, 468, 558, , 562
ESP10, 447, 457, 462, 465, 468, 560, , 564
ESP10, 453, 460, 465, 468, 469, 562, , 566
ESP10, 454, 459, 464, 467, 468, 564, , 568
ESP10, 453, 457, 462, 465, 466, 566, , 570
ESP10, 448, 452, 457, 460, 461, 568, , 572
ESP10, 451, 453, 458, 460, 461, 571, , 575
ESP10, 452, 455, 459, 462, 462, 573, , 577
ESP10, 455, 459, 462, 463, 464, 575, , 579
ESP10, 454, 458, 461, 463, 463, 577, , 581
ESP10, 453, 458, 460, 461, 462, 579, , 583
ESP10, 452, 457, 460, 461, 461, 581, , 585
ESP10, 450, 456, 459, 460, 461, 583, , 587
ESP10, 452, 457, 459, 460, 462, 585, , 589
ESP10, 449, 454, 457, 458, 459, 587, , 591
ESP10, 452, 455, 458, 458, 460, 589, , 593
ESP10, 455, 458, 460, 461, 462, 591, , 595
ESP10, 456, 458, 460, 461, 462, 594, , 598
ESP10, 454, 456, 458, 459, 460, 596, , 600
ESP10, 455, 457, 459, 460, 461, 598, , 602
ESP10, 455, 457, 459, 459, 461, 600, , 604
ESP10, 455, 457, 459, 460, 461, 602, , 606
ESP10, 454, 456, 459, 459, 460, 604, , 608
ESP10, 453, 455, 457, 458, 459, 606, , 610
ESP10, 454, 456, 458, 459, 459, 608, , 612
ESP10, 454, 455, 458, 458, 459, 610, , 614
ESP10, 455, 456, 458, 459, 459, 612, , 616
ESP10, 453, 455, 456, 457, 458, 614, , 618
ESP10, 454, 455, 457, 457, 458, 617, , 621
ESP10, 453, 454, 456, 457, 457, 619, , 623
ESP10, 452, 453, 455, 456, 456, 621, , 625
ESP10, 452, 453, 454, 455, 456, 623, , 627
ESP10, 452, 452, 454, 455, 455, 625, , 629
ESP10, 452, 452, 454, 455, 455, 627, , 631
ESP10, 452, 452, 454, 455, 455, 629, , 633
ESP10, 452, 452, 454, 454, 455, 631, , 635
ESP10, 450, 451, 453, 453, 454, 633, , 637
ESP10, 450, 450, 452, 453, 453, 635, , 639
ESP10, 448, 449, 451, 451, 452, 638, , 642
ESP10, 448, 449, 451, 451, 452, 640, , 644
ESP10, 448, 449, 450, 451, 452, 642, , 646
ESP10, 446, 447, 449, 450, 450, 644, , 648
ESP10, 444, 445, 447, 448, 448, 646, , 650
ESP10, 444, 445, 446, 447, 448, 648, , 652
ESP10, 443, 445, 446, 447, 448, 650, , 654
ESP10, 444, 445, 447, 448, 448, 652, , 656
ESP10, 443, 445, 446, 447, 448, 654, , 658
ESP10, 443, 444, 446, 447, 447, 656, , 660
ESP10, 443, 444, 446, 446, 447, 658, , 662
ESP10, 444, 445, 447, 447, 448, 661, , 665
ESP10, 443, 444, 446, 447, 447, 663, , 667
ESP10, 442, 444, 446, 447, 447, 665, , 669
ESP10, 442, 444, 446, 447, 447, 667, , 671
ESP10, 442, 444, 445, 446, 446, 669, , 673
ESP10, 442, 443, 445, 445, 446, 671, , 675
ESP10, 443, 445, 446, 447, 447, 673, , 677
ESP10, 443, 444, 445, 446, 447, 675, , 679
ESP10, 442, 444, 445, 445, 446, 677, , 681
ESP10, 444, 445, 446, 447, 447, 679, , 683
ESP10, 443, 444, 445, 446, 446, 681, , 685
ESP10, 444, 444, 445, 446, 447, 684, , 688
ESP10, 442, 443, 444, 444, 445, 686, , 690
ESP10, 441, 442, 443, 444, 444, 688, , 692
ESP10, 442, 442, 443, 444, 444, 690, , 694
ESP10, 441, 442, 442, 443, 444, 692, , 696
ESP10, 443, 444, 445, 445, 446, 694, , 698
ESP10, 442, 442, 443, 444, 445, 696, , 700
ESP10, 442, 443, 444, 444, 445, 698, , 702
ESP10, 441, 442, 443, 443, 444, 700, , 704
ESP10, 441, 442, 443, 444, 444, 702, , 706
ESP10, 441, 441, 442, 443, 443, 705, , 709
ESP10, 440, 441, 442, 443, 443, 707, , 711
ESP10, 441, 441, 442, 443, 443, 709, , 713
ESP10, 441, 441, 442, 443, 444, 711, , 715
ESP10, 440, 441, 442, 443, 443, 713, , 717
ESP10, 440, 441, 442, 442, 443, 715, , 719
ESP10, 439, 440, 441, 441, 442, 717, , 721
ESP10, 439, 441, 441, 442, 442, 719, , 723
ESP10, 440, 441, 441, 442, 442, 721, , 725
ESP10, 440, 441, 441, 442, 442, 723, , 727
ESP10, 439, 439, 440, 441, 441, 725, , 729
ESP10, 440, 440, 441, 441, 442, 728, , 732
ESP10, 441, 441, 442, 442, 443, 730, , 734
ESP10, 440, 440, 441, 442, 442, 732, , 736
ESP10, 439, 440, 441, 441, 442, 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/SHYI1W_SQIN.ESPF10.csv
SHYI1W_SQIN.ESPF0.csv|2026-08-15
SHYI1W_SQIN.ESPF10.csv|2026-08-15
SHYI1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
SNAKE - NEAR SHELLEY
(
SHYI1
)
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
2613
3988
81
7271
4905
APR-JUL
2153
3373
82
6027
4090
APR-AUG
2393
3696
82
6781
4520
JAN-SEP
3354
4710
83
8098
5656
JAN-JUL
2928
4148
86
6854
4841
OCT-SEP
4114
5635
85
8966
6605
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/SHYI1W_SQIN.ESPF10.csv
SHYI1W_SQIN.ESPF0.csv|2026-08-15
SHYI1W_SQIN.ESPF10.csv|2026-08-15
SHYI1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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