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Water Year
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GREYS - AB RES NR ALPINE
(
GREW4
)
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
230
231
62
232
371
APR-JUL
197
197
62
197
321
APR-AUG
216
216
62
216
350
JAN-SEP
294
295
72
296
412
JAN-JUL
261
261
72
261
361
OCT-SEP
340
341
74
342
461
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
230
231
62
232
371
APR-JUL
197
197
62
197
321
APR-AUG
216
216
62
216
350
JAN-SEP
294
295
72
296
412
JAN-JUL
261
261
72
261
361
OCT-SEP
340
341
74
342
461
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
230
231
62
233
371
APR-JUL
197
197
62
197
321
APR-AUG
216
216
62
216
350
JAN-SEP
294
295
72
297
412
JAN-JUL
261
261
72
261
361
OCT-SEP
340
341
74
343
461
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 242, 287, 363, 413, 446, 70, , 74
ESP10, 235, 280, 357, 409, 440, 72, , 76
ESP10, 235, 282, 358, 410, 441, 74, , 78
ESP10, 235, 291, 356, 408, 439, 76, , 80
ESP10, 238, 295, 359, 411, 442, 78, , 82
ESP10, 242, 294, 357, 409, 440, 81, , 85
ESP10, 238, 292, 353, 406, 437, 83, , 87
ESP10, 233, 289, 349, 402, 434, 85, , 89
ESP10, 229, 285, 348, 399, 431, 87, , 91
ESP10, 224, 281, 345, 395, 427, 89, , 93
ESP10, 227, 282, 348, 396, 428, 91, , 95
ESP10, 228, 281, 349, 396, 429, 93, , 97
ESP10, 228, 283, 350, 396, 429, 95, , 99
ESP10, 228, 284, 351, 398, 432, 97, , 101
ESP10, 233, 287, 355, 404, 435, 99, , 103
ESP10, 225, 278, 347, 396, 427, 101, , 105
ESP10, 217, 272, 342, 389, 421, 103, , 107
ESP10, 220, 272, 346, 389, 420, 106, , 110
ESP10, 229, 277, 353, 394, 425, 108, , 112
ESP10, 230, 274, 350, 391, 422, 110, , 114
ESP10, 234, 276, 350, 393, 422, 112, , 116
ESP10, 241, 283, 356, 398, 427, 114, , 118
ESP10, 241, 286, 357, 399, 428, 116, , 120
ESP10, 242, 287, 359, 400, 429, 118, , 122
ESP10, 247, 294, 364, 405, 434, 120, , 124
ESP10, 243, 293, 361, 400, 430, 122, , 126
ESP10, 245, 297, 361, 400, 430, 124, , 128
ESP10, 246, 301, 362, 401, 436, 126, , 130
ESP10, 247, 302, 363, 401, 439, 129, , 133
ESP10, 237, 291, 354, 391, 432, 131, , 135
ESP10, 237, 290, 357, 391, 434, 133, , 137
ESP10, 243, 294, 360, 393, 436, 135, , 139
ESP10, 248, 303, 366, 401, 444, 137, , 141
ESP10, 245, 301, 362, 399, 448, 139, , 143
ESP10, 246, 299, 360, 398, 448, 141, , 145
ESP10, 249, 302, 361, 399, 454, 143, , 147
ESP10, 246, 301, 358, 398, 452, 145, , 149
ESP10, 242, 295, 351, 393, 446, 147, , 151
ESP10, 242, 295, 350, 395, 447, 149, , 153
ESP10, 252, 304, 358, 402, 454, 151, , 155
ESP10, 255, 307, 361, 403, 456, 154, , 158
ESP10, 254, 304, 359, 401, 452, 156, , 160
ESP10, 256, 305, 360, 403, 454, 158, , 162
ESP10, 271, 317, 374, 419, 465, 160, , 164
ESP10, 268, 316, 374, 418, 463, 162, , 166
ESP10, 266, 319, 373, 423, 461, 164, , 168
ESP10, 265, 319, 371, 422, 462, 166, , 170
ESP10, 266, 320, 372, 420, 463, 168, , 172
ESP10, 276, 327, 379, 424, 466, 170, , 174
ESP10, 278, 325, 375, 419, 462, 172, , 176
ESP10, 277, 325, 374, 417, 465, 174, , 178
ESP10, 275, 323, 373, 414, 462, 177, , 181
ESP10, 280, 326, 377, 421, 464, 179, , 183
ESP10, 284, 333, 382, 428, 467, 181, , 185
ESP10, 287, 338, 382, 429, 464, 183, , 187
ESP10, 287, 339, 383, 433, 464, 185, , 189
ESP10, 276, 329, 378, 423, 454, 187, , 191
ESP10, 282, 336, 382, 429, 459, 189, , 193
ESP10, 288, 338, 386, 432, 458, 191, , 195
ESP10, 267, 319, 368, 415, 441, 193, , 197
ESP10, 257, 310, 359, 410, 435, 195, , 199
ESP10, 267, 315, 365, 415, 443, 197, , 201
ESP10, 255, 301, 353, 403, 436, 199, , 203
ESP10, 251, 296, 350, 399, 436, 202, , 206
ESP10, 254, 297, 350, 400, 436, 204, , 208
ESP10, 246, 289, 344, 391, 428, 206, , 210
ESP10, 232, 278, 334, 381, 416, 208, , 212
ESP10, 257, 302, 358, 404, 440, 210, , 214
ESP10, 260, 308, 362, 406, 441, 212, , 216
ESP10, 239, 292, 345, 387, 421, 214, , 218
ESP10, 228, 281, 337, 378, 411, 216, , 220
ESP10, 216, 267, 327, 365, 398, 218, , 222
ESP10, 212, 264, 325, 363, 394, 220, , 224
ESP10, 210, 261, 323, 363, 391, 222, , 226
ESP10, 216, 263, 325, 371, 393, 225, , 229
ESP10, 209, 258, 317, 367, 389, 227, , 231
ESP10, 204, 257, 309, 362, 385, 229, , 233
ESP10, 211, 258, 310, 363, 387, 231, , 235
ESP10, 223, 262, 312, 365, 392, 233, , 237
ESP10, 220, 260, 305, 360, 386, 235, , 239
ESP10, 227, 267, 314, 365, 390, 237, , 241
ESP10, 240, 280, 326, 378, 402, 239, , 243
ESP10, 246, 290, 335, 383, 408, 241, , 245
ESP10, 240, 286, 331, 378, 403, 243, , 247
ESP10, 234, 280, 325, 374, 400, 245, , 249
ESP10, 231, 283, 322, 371, 400, 248, , 252
ESP10, 227, 281, 319, 368, 406, 250, , 254
ESP10, 233, 287, 325, 375, 411, 252, , 256
ESP10, 228, 282, 320, 369, 405, 254, , 258
ESP10, 228, 284, 322, 370, 404, 256, , 260
ESP10, 209, 269, 310, 352, 385, 258, , 262
ESP10, 210, 280, 312, 352, 387, 260, , 264
ESP10, 211, 282, 313, 353, 387, 262, , 266
ESP10, 209, 278, 311, 350, 383, 264, , 268
ESP10, 204, 271, 303, 342, 376, 266, , 270
ESP10, 217, 278, 311, 348, 382, 268, , 272
ESP10, 218, 278, 312, 348, 382, 270, , 274
ESP10, 228, 286, 320, 356, 391, 273, , 277
ESP10, 234, 288, 325, 361, 393, 275, , 279
ESP10, 239, 290, 327, 361, 393, 277, , 281
ESP10, 242, 292, 330, 362, 395, 279, , 283
ESP10, 246, 293, 329, 365, 396, 281, , 285
ESP10, 250, 296, 331, 369, 396, 283, , 287
ESP10, 256, 300, 329, 366, 393, 285, , 289
ESP10, 263, 305, 334, 369, 396, 287, , 291
ESP10, 262, 303, 334, 369, 395, 289, , 293
ESP10, 258, 304, 331, 367, 392, 291, , 295
ESP10, 262, 310, 336, 371, 397, 293, , 297
ESP10, 262, 309, 340, 370, 396, 296, , 300
ESP10, 269, 313, 344, 376, 401, 298, , 302
ESP10, 269, 312, 344, 374, 400, 300, , 304
ESP10, 270, 317, 345, 377, 401, 302, , 306
ESP10, 272, 321, 346, 380, 402, 304, , 308
ESP10, 273, 322, 347, 382, 403, 306, , 310
ESP10, 278, 325, 347, 384, 404, 308, , 312
ESP10, 281, 326, 349, 387, 407, 310, , 314
ESP10, 284, 326, 350, 387, 408, 312, , 316
ESP10, 286, 327, 351, 387, 409, 314, , 318
ESP10, 300, 327, 350, 387, 410, 316, , 320
ESP10, 309, 334, 353, 389, 412, 318, , 322
ESP10, 310, 335, 355, 392, 413, 321, , 325
ESP10, 308, 336, 354, 390, 412, 323, , 327
ESP10, 308, 336, 357, 391, 412, 325, , 329
ESP10, 301, 332, 351, 385, 409, 327, , 331
ESP10, 302, 337, 354, 388, 410, 329, , 333
ESP10, 304, 334, 355, 386, 408, 331, , 335
ESP10, 309, 341, 362, 390, 411, 333, , 337
ESP10, 312, 341, 363, 390, 411, 335, , 339
ESP10, 309, 337, 361, 386, 407, 337, , 341
ESP10, 308, 336, 359, 384, 404, 339, , 343
ESP10, 304, 332, 353, 379, 398, 341, , 345
ESP10, 304, 335, 354, 379, 401, 344, , 348
ESP10, 305, 334, 351, 378, 401, 346, , 350
ESP10, 308, 336, 357, 381, 404, 348, , 352
ESP10, 312, 340, 362, 387, 410, 350, , 354
ESP10, 316, 341, 367, 388, 411, 352, , 356
ESP10, 314, 337, 363, 386, 407, 354, , 358
ESP10, 306, 329, 356, 379, 402, 356, , 360
ESP10, 303, 328, 354, 378, 401, 358, , 362
ESP10, 307, 332, 361, 384, 406, 360, , 364
ESP10, 304, 331, 361, 385, 403, 362, , 366
ESP10, 299, 327, 357, 384, 400, 364, , 368
ESP10, 312, 343, 370, 400, 413, 366, , 370
ESP10, 311, 336, 364, 393, 407, 369, , 373
ESP10, 311, 337, 365, 390, 404, 371, , 375
ESP10, 310, 335, 365, 393, 404, 373, , 377
ESP10, 306, 332, 362, 389, 401, 375, , 379
ESP10, 301, 328, 357, 386, 397, 377, , 381
ESP10, 292, 322, 350, 376, 387, 379, , 383
ESP10, 284, 318, 346, 366, 380, 381, , 385
ESP10, 300, 333, 363, 382, 397, 383, , 387
ESP10, 298, 334, 362, 381, 395, 385, , 389
ESP10, 301, 336, 364, 386, 397, 387, , 391
ESP10, 302, 338, 365, 387, 398, 389, , 393
ESP10, 303, 341, 367, 386, 400, 392, , 396
ESP10, 301, 337, 362, 381, 397, 394, , 398
ESP10, 297, 336, 362, 379, 395, 396, , 400
ESP10, 288, 325, 352, 371, 383, 398, , 402
ESP10, 298, 333, 360, 381, 390, 400, , 404
ESP10, 308, 343, 367, 390, 400, 402, , 406
ESP10, 308, 340, 364, 388, 397, 404, , 408
ESP10, 300, 332, 357, 379, 390, 406, , 410
ESP10, 313, 346, 366, 393, 408, 408, , 412
ESP10, 314, 348, 372, 394, 409, 410, , 414
ESP10, 325, 352, 380, 399, 411, 412, , 416
ESP10, 327, 355, 381, 399, 413, 414, , 418
ESP10, 325, 353, 382, 398, 412, 417, , 421
ESP10, 330, 359, 386, 405, 418, 419, , 423
ESP10, 336, 363, 388, 410, 420, 421, , 425
ESP10, 331, 358, 388, 404, 414, 423, , 427
ESP10, 333, 355, 385, 401, 412, 425, , 429
ESP10, 337, 357, 384, 405, 414, 427, , 431
ESP10, 344, 357, 384, 407, 417, 429, , 433
ESP10, 338, 350, 377, 400, 413, 431, , 435
ESP10, 330, 341, 370, 392, 407, 433, , 437
ESP10, 332, 346, 371, 394, 408, 435, , 439
ESP10, 331, 346, 372, 395, 408, 437, , 441
ESP10, 331, 346, 374, 394, 408, 440, , 444
ESP10, 331, 347, 373, 393, 409, 442, , 446
ESP10, 333, 348, 377, 395, 410, 444, , 448
ESP10, 329, 343, 373, 390, 405, 446, , 450
ESP10, 329, 345, 373, 392, 404, 448, , 452
ESP10, 325, 341, 370, 389, 400, 450, , 454
ESP10, 323, 342, 368, 388, 397, 452, , 456
ESP10, 320, 337, 363, 384, 392, 454, , 458
ESP10, 322, 340, 368, 388, 395, 456, , 460
ESP10, 329, 350, 372, 395, 399, 458, , 462
ESP10, 331, 351, 370, 394, 399, 460, , 464
ESP10, 333, 354, 373, 396, 403, 462, , 466
ESP10, 334, 351, 372, 396, 404, 465, , 469
ESP10, 342, 355, 377, 400, 409, 467, , 471
ESP10, 343, 357, 379, 401, 410, 469, , 473
ESP10, 337, 353, 377, 396, 407, 471, , 475
ESP10, 342, 358, 382, 398, 412, 473, , 477
ESP10, 334, 353, 375, 391, 405, 475, , 479
ESP10, 333, 353, 380, 390, 402, 477, , 481
ESP10, 345, 365, 391, 402, 411, 479, , 483
ESP10, 358, 373, 398, 415, 420, 481, , 485
ESP10, 357, 373, 402, 413, 419, 483, , 487
ESP10, 359, 374, 402, 413, 420, 485, , 489
ESP10, 356, 369, 398, 409, 415, 488, , 492
ESP10, 355, 367, 397, 406, 414, 490, , 494
ESP10, 356, 365, 392, 402, 411, 492, , 496
ESP10, 382, 392, 417, 427, 435, 494, , 498
ESP10, 383, 394, 416, 427, 435, 496, , 500
ESP10, 377, 386, 408, 418, 427, 498, , 502
ESP10, 381, 390, 412, 420, 430, 500, , 504
ESP10, 386, 394, 412, 424, 431, 502, , 506
ESP10, 392, 403, 422, 433, 438, 504, , 508
ESP10, 399, 414, 430, 441, 445, 506, , 510
ESP10, 397, 412, 428, 439, 443, 508, , 512
ESP10, 402, 418, 432, 444, 448, 510, , 514
ESP10, 400, 415, 429, 442, 445, 513, , 517
ESP10, 402, 416, 431, 443, 448, 515, , 519
ESP10, 407, 421, 435, 447, 453, 517, , 521
ESP10, 409, 423, 437, 447, 452, 519, , 523
ESP10, 403, 416, 431, 440, 444, 521, , 525
ESP10, 409, 416, 433, 440, 444, 523, , 527
ESP10, 418, 425, 442, 448, 452, 525, , 529
ESP10, 420, 428, 443, 449, 453, 527, , 531
ESP10, 407, 417, 433, 437, 440, 529, , 533
ESP10, 410, 420, 434, 437, 440, 531, , 535
ESP10, 413, 422, 436, 439, 441, 533, , 537
ESP10, 413, 420, 435, 438, 439, 536, , 540
ESP10, 411, 417, 433, 436, 437, 538, , 542
ESP10, 410, 419, 431, 434, 436, 540, , 544
ESP10, 411, 420, 432, 436, 438, 542, , 546
ESP10, 418, 426, 437, 440, 442, 544, , 548
ESP10, 415, 424, 435, 438, 440, 546, , 550
ESP10, 413, 424, 434, 436, 438, 548, , 552
ESP10, 412, 425, 433, 436, 438, 550, , 554
ESP10, 415, 426, 435, 437, 439, 552, , 556
ESP10, 415, 426, 434, 436, 438, 554, , 558
ESP10, 413, 426, 434, 436, 438, 556, , 560
ESP10, 417, 429, 435, 437, 439, 558, , 562
ESP10, 423, 430, 436, 438, 439, 561, , 565
ESP10, 425, 431, 436, 438, 439, 563, , 567
ESP10, 425, 430, 434, 437, 438, 565, , 569
ESP10, 419, 426, 430, 431, 432, 567, , 571
ESP10, 425, 430, 433, 434, 434, 569, , 573
ESP10, 425, 428, 431, 431, 432, 571, , 575
ESP10, 427, 430, 432, 433, 433, 573, , 577
ESP10, 428, 431, 432, 433, 433, 575, , 579
ESP10, 429, 431, 433, 433, 433, 577, , 581
ESP10, 429, 431, 432, 433, 433, 579, , 583
ESP10, 429, 431, 432, 432, 433, 581, , 585
ESP10, 429, 430, 431, 432, 432, 584, , 588
ESP10, 426, 428, 429, 429, 429, 586, , 590
ESP10, 426, 428, 429, 429, 429, 588, , 592
ESP10, 427, 428, 429, 429, 430, 590, , 594
ESP10, 427, 428, 429, 429, 430, 592, , 596
ESP10, 427, 428, 429, 429, 429, 594, , 598
ESP10, 427, 428, 429, 429, 429, 596, , 600
ESP10, 427, 428, 429, 429, 429, 598, , 602
ESP10, 427, 428, 429, 429, 429, 600, , 604
ESP10, 427, 428, 428, 429, 429, 602, , 606
ESP10, 427, 427, 428, 429, 429, 604, , 608
ESP10, 427, 427, 428, 428, 429, 607, , 611
ESP10, 426, 427, 428, 428, 429, 609, , 613
ESP10, 426, 427, 428, 428, 428, 611, , 615
ESP10, 425, 426, 427, 427, 428, 613, , 617
ESP10, 426, 427, 427, 428, 428, 615, , 619
ESP10, 425, 426, 427, 427, 428, 617, , 621
ESP10, 425, 426, 427, 427, 427, 619, , 623
ESP10, 425, 426, 427, 427, 428, 621, , 625
ESP10, 426, 426, 427, 427, 428, 623, , 627
ESP10, 426, 426, 427, 427, 427, 625, , 629
ESP10, 426, 426, 427, 427, 428, 627, , 631
ESP10, 426, 426, 427, 427, 428, 629, , 633
ESP10, 425, 426, 427, 427, 427, 632, , 636
ESP10, 425, 426, 427, 427, 427, 634, , 638
ESP10, 421, 422, 422, 423, 423, 636, , 640
ESP10, 421, 422, 422, 423, 423, 638, , 642
ESP10, 421, 422, 422, 423, 423, 640, , 644
ESP10, 421, 422, 423, 423, 423, 642, , 646
ESP10, 421, 422, 423, 423, 423, 644, , 648
ESP10, 421, 422, 423, 423, 423, 646, , 650
ESP10, 421, 422, 423, 423, 423, 648, , 652
ESP10, 421, 422, 423, 423, 423, 650, , 654
ESP10, 421, 422, 423, 423, 423, 652, , 656
ESP10, 421, 422, 423, 423, 423, 655, , 659
ESP10, 421, 422, 423, 423, 423, 657, , 661
ESP10, 423, 424, 425, 425, 425, 659, , 663
ESP10, 423, 424, 425, 425, 425, 661, , 665
ESP10, 423, 424, 425, 425, 425, 663, , 667
ESP10, 423, 424, 425, 425, 425, 665, , 669
ESP10, 423, 424, 424, 425, 425, 667, , 671
ESP10, 423, 424, 424, 425, 425, 669, , 673
ESP10, 423, 424, 425, 425, 425, 671, , 675
ESP10, 423, 424, 424, 425, 425, 673, , 677
ESP10, 423, 424, 424, 425, 425, 675, , 679
ESP10, 423, 424, 425, 425, 425, 677, , 681
ESP10, 423, 424, 425, 425, 425, 680, , 684
ESP10, 423, 424, 425, 425, 425, 682, , 686
ESP10, 424, 424, 425, 425, 425, 684, , 688
ESP10, 424, 424, 425, 425, 425, 686, , 690
ESP10, 424, 424, 425, 425, 425, 688, , 692
ESP10, 424, 424, 425, 425, 425, 690, , 694
ESP10, 424, 424, 425, 425, 425, 692, , 696
ESP10, 424, 424, 425, 425, 425, 694, , 698
ESP10, 424, 424, 425, 425, 425, 696, , 700
ESP10, 424, 424, 425, 425, 425, 698, , 702
ESP10, 424, 424, 425, 425, 425, 700, , 704
ESP10, 424, 424, 425, 425, 425, 703, , 707
ESP10, 424, 424, 425, 425, 425, 705, , 709
ESP10, 424, 425, 425, 425, 425, 707, , 711
ESP10, 424, 424, 425, 425, 425, 709, , 713
ESP10, 424, 425, 425, 425, 425, 711, , 715
ESP10, 424, 425, 425, 425, 425, 713, , 717
ESP10, 424, 425, 425, 425, 425, 715, , 719
ESP10, 424, 425, 425, 426, 426, 717, , 721
ESP10, 424, 425, 425, 426, 426, 719, , 723
ESP10, 424, 425, 426, 426, 426, 721, , 725
ESP10, 425, 425, 426, 426, 426, 723, , 727
ESP10, 425, 426, 426, 426, 426, 725, , 729
ESP10, 427, 428, 428, 428, 428, 728, , 732
ESP10, 427, 427, 428, 428, 428, 730, , 734
ESP10, 427, 427, 428, 428, 428, 732, , 736
ESP10, 427, 427, 427, 428, 428, 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/GREW4W_SQIN.ESPF10.csv
GREW4W_SQIN.ESPF0.csv|2026-08-16
GREW4W_SQIN.ESPF10.csv|2026-08-16
GREW4W_SQIN.ESPFM.csv|2026-08-16
APR-SEP
GREYS - AB RES NR ALPINE
(
GREW4
)
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
217
314
84
481
371
APR-JUL
186
267
83
415
321
APR-AUG
203
293
84
454
350
JAN-SEP
243
337
82
517
412
JAN-JUL
211
289
80
450
361
OCT-SEP
277
374
81
566
461
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/GREW4W_SQIN.ESPF10.csv
GREW4W_SQIN.ESPF0.csv|2026-08-16
GREW4W_SQIN.ESPF10.csv|2026-08-16
GREW4W_SQIN.ESPFM.csv|2026-08-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
