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Archive:
Water Year
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SNAKE - AT AMERICAN FALLS DAM
(
AMFI1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-08-08
Issued:
2026-08-08
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
4092
4111
67
4141
6167
APR-JUL
3404
3404
65
3404
5266
APR-AUG
3782
3786
66
3795
5779
JAN-SEP
5109
5129
71
5159
7190
JAN-JUL
4422
4422
70
4422
6289
OCT-SEP
6090
6109
74
6140
8275
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-08-08
Issued:
2026-08-08
Hide Forecast
APR-SEP
4090
4111
67
4138
6167
APR-JUL
3404
3404
65
3404
5266
APR-AUG
3778
3785
65
3800
5779
JAN-SEP
5107
5129
71
5155
7190
JAN-JUL
4422
4422
70
4422
6289
OCT-SEP
6088
6110
74
6136
8275
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-08
Issued:
2026-08-08
Hide Forecast
APR-SEP
4106
4128
67
4159
6167
APR-JUL
3404
3404
65
3404
5266
APR-AUG
3795
3803
66
3816
5779
JAN-SEP
5123
5146
72
5177
7190
JAN-JUL
4422
4422
70
4422
6289
OCT-SEP
6104
6127
74
6158
8275
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 227, 304, 380, 424, 456, 70, , 74
ESP10, 222, 297, 373, 418, 452, 72, , 76
ESP10, 226, 299, 376, 420, 453, 74, , 78
ESP10, 225, 297, 377, 419, 452, 77, , 81
ESP10, 228, 299, 379, 420, 454, 79, , 83
ESP10, 230, 296, 376, 420, 452, 81, , 85
ESP10, 229, 292, 375, 417, 450, 83, , 87
ESP10, 227, 288, 372, 414, 449, 85, , 89
ESP10, 224, 285, 371, 411, 447, 87, , 91
ESP10, 214, 276, 363, 403, 440, 89, , 93
ESP10, 212, 271, 358, 399, 436, 92, , 96
ESP10, 216, 270, 357, 400, 437, 94, , 98
ESP10, 225, 275, 362, 406, 442, 96, , 100
ESP10, 230, 277, 364, 408, 445, 98, , 102
ESP10, 233, 279, 371, 411, 449, 100, , 104
ESP10, 223, 271, 364, 404, 443, 102, , 106
ESP10, 216, 266, 358, 397, 437, 104, , 108
ESP10, 217, 265, 356, 397, 435, 107, , 111
ESP10, 226, 273, 364, 404, 441, 109, , 113
ESP10, 227, 274, 365, 404, 441, 111, , 115
ESP10, 223, 271, 362, 401, 440, 113, , 117
ESP10, 231, 283, 370, 408, 446, 115, , 119
ESP10, 231, 287, 372, 409, 447, 117, , 121
ESP10, 233, 296, 374, 411, 449, 119, , 123
ESP10, 238, 303, 383, 416, 453, 122, , 126
ESP10, 238, 303, 383, 414, 451, 124, , 128
ESP10, 243, 308, 386, 416, 453, 126, , 130
ESP10, 248, 310, 388, 417, 455, 128, , 132
ESP10, 249, 311, 387, 417, 456, 130, , 134
ESP10, 239, 300, 375, 408, 448, 132, , 136
ESP10, 241, 302, 376, 410, 450, 134, , 138
ESP10, 247, 308, 378, 413, 455, 136, , 140
ESP10, 253, 314, 382, 417, 460, 139, , 143
ESP10, 248, 315, 378, 416, 459, 141, , 145
ESP10, 248, 315, 378, 417, 461, 143, , 147
ESP10, 248, 315, 382, 417, 466, 145, , 149
ESP10, 247, 313, 380, 419, 470, 147, , 151
ESP10, 242, 307, 373, 414, 465, 149, , 153
ESP10, 240, 303, 371, 414, 465, 151, , 155
ESP10, 249, 311, 382, 422, 470, 154, , 158
ESP10, 256, 315, 388, 426, 473, 156, , 160
ESP10, 252, 309, 385, 422, 468, 158, , 162
ESP10, 258, 313, 388, 425, 471, 160, , 164
ESP10, 262, 315, 391, 428, 473, 162, , 166
ESP10, 272, 316, 392, 429, 472, 164, , 168
ESP10, 270, 315, 394, 430, 471, 166, , 170
ESP10, 275, 320, 401, 436, 476, 169, , 173
ESP10, 278, 322, 404, 437, 478, 171, , 175
ESP10, 276, 326, 402, 437, 477, 173, , 177
ESP10, 271, 326, 399, 433, 473, 175, , 179
ESP10, 273, 330, 402, 435, 474, 177, , 181
ESP10, 271, 328, 400, 431, 471, 179, , 183
ESP10, 283, 331, 405, 434, 473, 181, , 185
ESP10, 286, 337, 406, 436, 474, 184, , 188
ESP10, 288, 346, 406, 436, 474, 186, , 190
ESP10, 287, 349, 406, 439, 474, 188, , 192
ESP10, 279, 342, 400, 440, 468, 190, , 194
ESP10, 284, 347, 405, 443, 469, 192, , 196
ESP10, 293, 350, 408, 444, 472, 194, , 198
ESP10, 284, 336, 393, 431, 459, 196, , 200
ESP10, 276, 322, 382, 423, 448, 199, , 203
ESP10, 288, 330, 392, 431, 457, 201, , 205
ESP10, 279, 323, 387, 423, 452, 203, , 207
ESP10, 271, 316, 384, 419, 446, 205, , 209
ESP10, 276, 317, 386, 424, 447, 207, , 211
ESP10, 275, 312, 382, 417, 440, 209, , 213
ESP10, 269, 307, 376, 412, 437, 211, , 215
ESP10, 283, 322, 386, 425, 449, 214, , 218
ESP10, 287, 327, 391, 429, 452, 216, , 220
ESP10, 280, 321, 384, 425, 446, 218, , 222
ESP10, 271, 310, 374, 416, 438, 220, , 224
ESP10, 263, 301, 366, 408, 431, 222, , 226
ESP10, 252, 289, 356, 399, 423, 224, , 228
ESP10, 254, 291, 358, 400, 425, 226, , 230
ESP10, 257, 293, 360, 401, 431, 229, , 233
ESP10, 248, 286, 351, 392, 424, 231, , 235
ESP10, 240, 276, 342, 383, 416, 233, , 237
ESP10, 242, 273, 339, 380, 414, 235, , 239
ESP10, 246, 275, 342, 382, 416, 237, , 241
ESP10, 249, 274, 343, 381, 417, 239, , 243
ESP10, 254, 278, 343, 384, 420, 241, , 245
ESP10, 260, 282, 347, 392, 423, 244, , 248
ESP10, 273, 293, 353, 402, 428, 246, , 250
ESP10, 269, 289, 348, 399, 425, 248, , 252
ESP10, 262, 284, 341, 392, 419, 250, , 254
ESP10, 263, 284, 347, 396, 426, 252, , 256
ESP10, 264, 286, 350, 396, 431, 254, , 258
ESP10, 273, 293, 355, 402, 436, 256, , 260
ESP10, 274, 291, 353, 402, 434, 259, , 263
ESP10, 276, 291, 352, 400, 432, 261, , 265
ESP10, 267, 285, 339, 390, 421, 263, , 267
ESP10, 262, 285, 336, 388, 417, 265, , 269
ESP10, 264, 296, 336, 387, 418, 267, , 271
ESP10, 256, 288, 326, 379, 410, 269, , 273
ESP10, 251, 283, 322, 374, 406, 271, , 275
ESP10, 250, 280, 324, 372, 404, 273, , 277
ESP10, 258, 284, 327, 373, 406, 276, , 280
ESP10, 262, 284, 327, 372, 407, 278, , 282
ESP10, 266, 286, 329, 373, 409, 280, , 284
ESP10, 269, 285, 330, 372, 411, 282, , 286
ESP10, 269, 287, 334, 373, 412, 284, , 288
ESP10, 269, 288, 334, 374, 413, 286, , 290
ESP10, 269, 290, 334, 376, 412, 288, , 292
ESP10, 267, 293, 335, 374, 410, 291, , 295
ESP10, 270, 302, 340, 378, 413, 293, , 297
ESP10, 270, 304, 341, 379, 413, 295, , 299
ESP10, 265, 304, 338, 376, 410, 297, , 301
ESP10, 273, 311, 344, 381, 413, 299, , 303
ESP10, 272, 314, 344, 385, 413, 301, , 305
ESP10, 280, 319, 348, 390, 416, 303, , 307
ESP10, 286, 317, 346, 391, 414, 306, , 310
ESP10, 290, 319, 350, 392, 415, 308, , 312
ESP10, 291, 323, 353, 393, 417, 310, , 314
ESP10, 292, 324, 354, 396, 418, 312, , 316
ESP10, 295, 326, 355, 396, 419, 314, , 318
ESP10, 299, 330, 356, 397, 420, 316, , 320
ESP10, 300, 331, 356, 398, 421, 318, , 322
ESP10, 303, 331, 357, 397, 421, 321, , 325
ESP10, 306, 332, 356, 398, 420, 323, , 327
ESP10, 313, 339, 358, 403, 422, 325, , 329
ESP10, 316, 337, 356, 405, 421, 327, , 331
ESP10, 313, 335, 358, 407, 418, 329, , 333
ESP10, 314, 336, 363, 408, 419, 331, , 335
ESP10, 305, 327, 356, 399, 414, 333, , 337
ESP10, 306, 331, 357, 400, 416, 336, , 340
ESP10, 307, 333, 362, 401, 417, 338, , 342
ESP10, 311, 338, 365, 403, 419, 340, , 344
ESP10, 313, 341, 367, 404, 420, 342, , 346
ESP10, 314, 340, 369, 404, 419, 344, , 348
ESP10, 318, 339, 366, 400, 416, 346, , 350
ESP10, 312, 332, 361, 392, 409, 348, , 352
ESP10, 309, 333, 360, 390, 409, 351, , 355
ESP10, 313, 338, 363, 393, 416, 353, , 357
ESP10, 314, 340, 366, 396, 418, 355, , 359
ESP10, 323, 351, 375, 405, 425, 357, , 361
ESP10, 323, 352, 379, 406, 426, 359, , 363
ESP10, 320, 348, 376, 402, 425, 361, , 365
ESP10, 314, 341, 369, 398, 422, 363, , 367
ESP10, 310, 337, 364, 392, 416, 366, , 370
ESP10, 318, 349, 373, 400, 422, 368, , 372
ESP10, 316, 345, 372, 398, 419, 370, , 374
ESP10, 311, 343, 371, 394, 414, 372, , 376
ESP10, 325, 357, 384, 406, 426, 374, , 378
ESP10, 323, 355, 380, 405, 421, 376, , 380
ESP10, 325, 357, 380, 405, 420, 378, , 382
ESP10, 324, 356, 378, 409, 419, 381, , 385
ESP10, 323, 356, 380, 409, 418, 383, , 387
ESP10, 319, 352, 376, 406, 414, 385, , 389
ESP10, 311, 345, 371, 398, 407, 387, , 391
ESP10, 306, 337, 368, 390, 401, 389, , 393
ESP10, 317, 350, 379, 399, 410, 391, , 395
ESP10, 316, 353, 379, 399, 410, 393, , 397
ESP10, 321, 358, 384, 404, 414, 396, , 400
ESP10, 318, 356, 383, 403, 413, 398, , 402
ESP10, 328, 361, 387, 407, 415, 400, , 404
ESP10, 324, 358, 383, 403, 412, 402, , 406
ESP10, 323, 358, 384, 404, 412, 404, , 408
ESP10, 321, 358, 383, 402, 409, 406, , 410
ESP10, 322, 360, 389, 404, 412, 408, , 412
ESP10, 329, 366, 397, 410, 421, 410, , 414
ESP10, 326, 361, 393, 406, 417, 413, , 417
ESP10, 321, 360, 388, 401, 412, 415, , 419
ESP10, 331, 369, 397, 411, 422, 417, , 421
ESP10, 332, 373, 399, 413, 423, 419, , 423
ESP10, 337, 376, 403, 417, 425, 421, , 425
ESP10, 339, 378, 405, 418, 427, 423, , 427
ESP10, 339, 377, 403, 417, 429, 425, , 429
ESP10, 345, 382, 408, 421, 433, 428, , 432
ESP10, 353, 386, 411, 426, 435, 430, , 434
ESP10, 357, 387, 411, 428, 435, 432, , 436
ESP10, 362, 387, 413, 427, 435, 434, , 438
ESP10, 365, 387, 413, 429, 435, 436, , 440
ESP10, 369, 387, 411, 428, 434, 438, , 442
ESP10, 361, 378, 403, 419, 427, 440, , 444
ESP10, 357, 375, 400, 414, 425, 443, , 447
ESP10, 358, 375, 399, 415, 425, 445, , 449
ESP10, 363, 378, 401, 420, 427, 447, , 451
ESP10, 361, 378, 399, 419, 426, 449, , 453
ESP10, 362, 380, 402, 419, 429, 451, , 455
ESP10, 359, 378, 400, 417, 428, 453, , 457
ESP10, 363, 379, 400, 418, 428, 455, , 459
ESP10, 360, 377, 400, 416, 425, 458, , 462
ESP10, 359, 377, 399, 417, 424, 460, , 464
ESP10, 363, 380, 404, 418, 425, 462, , 466
ESP10, 359, 373, 398, 412, 421, 464, , 468
ESP10, 362, 377, 402, 416, 425, 466, , 470
ESP10, 371, 384, 407, 422, 431, 468, , 472
ESP10, 367, 380, 403, 419, 429, 470, , 474
ESP10, 371, 381, 406, 424, 433, 473, , 477
ESP10, 373, 386, 407, 425, 434, 475, , 479
ESP10, 371, 385, 405, 422, 433, 477, , 481
ESP10, 378, 392, 409, 426, 439, 479, , 483
ESP10, 375, 388, 406, 423, 436, 481, , 485
ESP10, 383, 395, 413, 431, 444, 483, , 487
ESP10, 373, 388, 407, 424, 435, 485, , 489
ESP10, 377, 394, 415, 430, 440, 488, , 492
ESP10, 383, 399, 420, 435, 443, 490, , 494
ESP10, 388, 403, 423, 440, 446, 492, , 496
ESP10, 392, 401, 428, 440, 446, 494, , 498
ESP10, 398, 403, 428, 442, 447, 496, , 500
ESP10, 393, 401, 423, 437, 442, 498, , 502
ESP10, 396, 407, 426, 439, 446, 500, , 504
ESP10, 394, 407, 425, 437, 444, 503, , 507
ESP10, 400, 413, 430, 442, 449, 505, , 509
ESP10, 399, 414, 430, 442, 449, 507, , 511
ESP10, 394, 411, 427, 438, 445, 509, , 513
ESP10, 399, 409, 426, 439, 445, 511, , 515
ESP10, 401, 414, 432, 441, 446, 513, , 517
ESP10, 406, 420, 435, 446, 450, 515, , 519
ESP10, 410, 424, 440, 449, 453, 518, , 522
ESP10, 413, 425, 444, 451, 457, 520, , 524
ESP10, 414, 427, 446, 453, 460, 522, , 526
ESP10, 413, 427, 444, 451, 459, 524, , 528
ESP10, 415, 428, 446, 452, 459, 526, , 530
ESP10, 419, 430, 447, 454, 461, 528, , 532
ESP10, 420, 429, 446, 452, 459, 530, , 534
ESP10, 423, 431, 446, 454, 459, 533, , 537
ESP10, 420, 429, 443, 450, 455, 535, , 539
ESP10, 423, 431, 444, 453, 457, 537, , 541
ESP10, 425, 433, 449, 455, 460, 539, , 543
ESP10, 424, 432, 449, 454, 459, 541, , 545
ESP10, 426, 432, 450, 454, 459, 543, , 547
ESP10, 430, 435, 451, 456, 461, 545, , 549
ESP10, 431, 436, 452, 457, 462, 547, , 551
ESP10, 429, 433, 450, 455, 459, 550, , 554
ESP10, 433, 438, 452, 458, 462, 552, , 556
ESP10, 435, 442, 455, 460, 463, 554, , 558
ESP10, 438, 446, 458, 462, 465, 556, , 560
ESP10, 436, 444, 457, 461, 464, 558, , 562
ESP10, 434, 443, 455, 459, 462, 560, , 564
ESP10, 436, 447, 456, 460, 464, 562, , 566
ESP10, 436, 446, 453, 458, 462, 565, , 569
ESP10, 434, 446, 452, 456, 460, 567, , 571
ESP10, 434, 445, 452, 455, 459, 569, , 573
ESP10, 436, 446, 452, 456, 459, 571, , 575
ESP10, 441, 449, 454, 459, 460, 573, , 577
ESP10, 442, 448, 453, 458, 460, 575, , 579
ESP10, 439, 444, 450, 454, 456, 577, , 581
ESP10, 436, 440, 446, 449, 451, 580, , 584
ESP10, 438, 442, 448, 450, 451, 582, , 586
ESP10, 440, 444, 449, 452, 452, 584, , 588
ESP10, 442, 447, 452, 454, 454, 586, , 590
ESP10, 441, 446, 450, 452, 453, 588, , 592
ESP10, 442, 447, 451, 452, 453, 590, , 594
ESP10, 441, 448, 451, 452, 453, 592, , 596
ESP10, 441, 447, 450, 451, 452, 595, , 599
ESP10, 443, 448, 451, 452, 453, 597, , 601
ESP10, 440, 445, 448, 449, 450, 599, , 603
ESP10, 443, 447, 449, 450, 451, 601, , 605
ESP10, 446, 449, 451, 452, 453, 603, , 607
ESP10, 447, 449, 451, 453, 453, 605, , 609
ESP10, 446, 448, 450, 451, 452, 607, , 611
ESP10, 447, 448, 450, 452, 452, 610, , 614
ESP10, 446, 448, 450, 451, 452, 612, , 616
ESP10, 447, 449, 451, 452, 453, 614, , 618
ESP10, 446, 448, 450, 451, 452, 616, , 620
ESP10, 445, 447, 449, 450, 451, 618, , 622
ESP10, 446, 448, 450, 451, 452, 620, , 624
ESP10, 445, 448, 450, 451, 451, 622, , 626
ESP10, 445, 447, 449, 450, 451, 625, , 629
ESP10, 445, 447, 448, 449, 450, 627, , 631
ESP10, 446, 447, 449, 450, 450, 629, , 633
ESP10, 445, 446, 448, 449, 449, 631, , 635
ESP10, 444, 445, 447, 448, 448, 633, , 637
ESP10, 443, 444, 446, 447, 447, 635, , 639
ESP10, 443, 445, 446, 447, 448, 637, , 641
ESP10, 443, 445, 446, 447, 448, 640, , 644
ESP10, 444, 445, 446, 447, 448, 642, , 646
ESP10, 443, 445, 446, 447, 448, 644, , 648
ESP10, 442, 444, 445, 446, 447, 646, , 650
ESP10, 440, 442, 443, 444, 445, 648, , 652
ESP10, 438, 439, 441, 442, 442, 650, , 654
ESP10, 438, 440, 441, 442, 443, 652, , 656
ESP10, 438, 439, 441, 442, 442, 655, , 659
ESP10, 438, 440, 441, 442, 442, 657, , 661
ESP10, 436, 437, 439, 440, 440, 659, , 663
ESP10, 436, 437, 439, 440, 440, 661, , 665
ESP10, 435, 437, 438, 439, 440, 663, , 667
ESP10, 436, 437, 439, 440, 440, 665, , 669
ESP10, 435, 437, 438, 439, 440, 667, , 671
ESP10, 435, 437, 438, 439, 439, 670, , 674
ESP10, 435, 436, 438, 438, 439, 672, , 676
ESP10, 435, 436, 438, 439, 439, 674, , 678
ESP10, 435, 436, 438, 439, 439, 676, , 680
ESP10, 435, 436, 438, 439, 439, 678, , 682
ESP10, 435, 436, 438, 438, 439, 680, , 684
ESP10, 435, 436, 437, 438, 439, 682, , 686
ESP10, 434, 436, 437, 438, 438, 684, , 688
ESP10, 435, 437, 438, 439, 440, 687, , 691
ESP10, 435, 437, 438, 439, 439, 689, , 693
ESP10, 435, 437, 437, 438, 439, 691, , 695
ESP10, 436, 437, 438, 439, 439, 693, , 697
ESP10, 436, 437, 438, 439, 439, 695, , 699
ESP10, 436, 437, 438, 439, 439, 697, , 701
ESP10, 434, 436, 436, 437, 438, 699, , 703
ESP10, 434, 435, 436, 436, 437, 702, , 706
ESP10, 435, 435, 436, 437, 437, 704, , 708
ESP10, 435, 435, 436, 437, 437, 706, , 710
ESP10, 437, 437, 438, 439, 439, 708, , 712
ESP10, 436, 437, 437, 438, 439, 710, , 714
ESP10, 436, 437, 438, 438, 439, 712, , 716
ESP10, 435, 436, 437, 437, 438, 714, , 718
ESP10, 435, 436, 437, 437, 438, 717, , 721
ESP10, 435, 435, 436, 437, 437, 719, , 723
ESP10, 435, 436, 437, 437, 438, 721, , 725
ESP10, 435, 436, 436, 437, 438, 723, , 727
ESP10, 436, 436, 437, 438, 438, 725, , 729
ESP10, 436, 436, 437, 437, 438, 727, , 731
ESP10, 436, 436, 437, 437, 438, 729, , 733
ESP10, 435, 435, 436, 436, 437, 732, , 736
ESP10, 435, 436, 437, 437, 437, 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/natural/AMFI1N_SQIN.ESPF10.csv
AMFI1N_SQIN.ESPF0.csv|2026-08-08
AMFI1N_SQIN.ESPF10.csv|2026-08-08
AMFI1N_SQIN.ESPFM.csv|2026-08-08
APR-SEP
SNAKE - AT AMERICAN FALLS DAM
(
AMFI1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-08-08
Issued:
2026-08-08
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3847
5340
87
8918
6167
APR-JUL
3183
4545
86
7392
5266
APR-AUG
3553
4955
86
8321
5779
JAN-SEP
4564
6202
86
9890
7190
JAN-JUL
3956
5376
85
8349
6289
OCT-SEP
5388
7150
86
10838
8275
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/natural/AMFI1N_SQIN.ESPF10.csv
AMFI1N_SQIN.ESPF0.csv|2026-08-08
AMFI1N_SQIN.ESPF10.csv|2026-08-08
AMFI1N_SQIN.ESPFM.csv|2026-08-08
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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