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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:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
4119
4136
67
4170
6167
APR-JUL
3404
3404
65
3404
5266
APR-AUG
3807
3807
66
3809
5779
JAN-SEP
5137
5154
72
5188
7190
JAN-JUL
4422
4422
70
4422
6289
OCT-SEP
6117
6135
74
6169
8275
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
4120
4143
67
4172
6167
APR-JUL
3404
3404
65
3404
5266
APR-AUG
3805
3809
66
3814
5779
JAN-SEP
5138
5161
72
5190
7190
JAN-JUL
4422
4422
70
4422
6289
OCT-SEP
6118
6142
74
6170
8275
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
4113
4137
67
4179
6167
APR-JUL
3404
3404
65
3404
5266
APR-AUG
3799
3803
66
3822
5779
JAN-SEP
5131
5155
72
5196
7190
JAN-JUL
4422
4422
70
4422
6289
OCT-SEP
6112
6135
74
6177
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, 76, , 80
ESP10, 228, 299, 379, 420, 454, 78, , 82
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, 91, , 95
ESP10, 216, 270, 357, 400, 437, 93, , 97
ESP10, 225, 275, 362, 406, 442, 95, , 99
ESP10, 230, 277, 364, 408, 445, 97, , 101
ESP10, 233, 279, 371, 411, 449, 99, , 103
ESP10, 223, 271, 364, 404, 443, 101, , 105
ESP10, 216, 266, 358, 397, 437, 103, , 107
ESP10, 217, 265, 356, 397, 435, 106, , 110
ESP10, 226, 273, 364, 404, 441, 108, , 112
ESP10, 227, 274, 365, 404, 441, 110, , 114
ESP10, 223, 271, 362, 401, 440, 112, , 116
ESP10, 231, 283, 370, 408, 446, 114, , 118
ESP10, 231, 287, 372, 409, 447, 116, , 120
ESP10, 233, 296, 374, 411, 449, 118, , 122
ESP10, 238, 303, 383, 416, 453, 120, , 124
ESP10, 238, 303, 383, 414, 451, 122, , 126
ESP10, 243, 308, 386, 416, 453, 124, , 128
ESP10, 248, 310, 388, 417, 455, 126, , 130
ESP10, 249, 311, 387, 417, 456, 129, , 133
ESP10, 239, 300, 375, 408, 448, 131, , 135
ESP10, 241, 302, 376, 410, 450, 133, , 137
ESP10, 247, 308, 378, 413, 455, 135, , 139
ESP10, 253, 314, 382, 417, 460, 137, , 141
ESP10, 248, 315, 378, 416, 459, 139, , 143
ESP10, 248, 315, 378, 417, 461, 141, , 145
ESP10, 248, 315, 382, 417, 466, 143, , 147
ESP10, 247, 313, 380, 419, 470, 145, , 149
ESP10, 242, 307, 373, 414, 465, 147, , 151
ESP10, 240, 303, 371, 414, 465, 149, , 153
ESP10, 249, 311, 382, 422, 470, 151, , 155
ESP10, 256, 315, 388, 426, 473, 154, , 158
ESP10, 252, 309, 385, 422, 468, 156, , 160
ESP10, 258, 313, 388, 425, 471, 158, , 162
ESP10, 262, 315, 391, 428, 473, 160, , 164
ESP10, 272, 316, 392, 429, 472, 162, , 166
ESP10, 270, 315, 394, 430, 471, 164, , 168
ESP10, 275, 320, 401, 436, 476, 166, , 170
ESP10, 278, 322, 404, 437, 478, 168, , 172
ESP10, 276, 326, 402, 437, 477, 170, , 174
ESP10, 271, 326, 399, 433, 473, 172, , 176
ESP10, 273, 330, 402, 435, 474, 174, , 178
ESP10, 271, 328, 400, 431, 471, 177, , 181
ESP10, 283, 331, 405, 434, 473, 179, , 183
ESP10, 286, 337, 406, 436, 474, 181, , 185
ESP10, 288, 346, 406, 436, 474, 183, , 187
ESP10, 287, 349, 406, 439, 474, 185, , 189
ESP10, 279, 342, 400, 440, 468, 187, , 191
ESP10, 284, 347, 405, 443, 469, 189, , 193
ESP10, 293, 350, 408, 444, 472, 191, , 195
ESP10, 284, 336, 393, 431, 459, 193, , 197
ESP10, 276, 322, 382, 423, 448, 195, , 199
ESP10, 288, 330, 392, 431, 457, 197, , 201
ESP10, 279, 323, 387, 423, 452, 199, , 203
ESP10, 271, 316, 384, 419, 446, 202, , 206
ESP10, 276, 317, 386, 424, 447, 204, , 208
ESP10, 275, 312, 382, 417, 440, 206, , 210
ESP10, 269, 307, 376, 412, 437, 208, , 212
ESP10, 283, 322, 386, 425, 449, 210, , 214
ESP10, 287, 327, 391, 429, 452, 212, , 216
ESP10, 280, 321, 384, 425, 446, 214, , 218
ESP10, 271, 310, 374, 416, 438, 216, , 220
ESP10, 263, 301, 366, 408, 431, 218, , 222
ESP10, 252, 289, 356, 399, 423, 220, , 224
ESP10, 254, 291, 358, 400, 425, 222, , 226
ESP10, 257, 293, 360, 401, 431, 225, , 229
ESP10, 248, 286, 351, 392, 424, 227, , 231
ESP10, 240, 276, 342, 383, 416, 229, , 233
ESP10, 242, 273, 339, 380, 414, 231, , 235
ESP10, 246, 275, 342, 382, 416, 233, , 237
ESP10, 249, 274, 343, 381, 417, 235, , 239
ESP10, 254, 278, 343, 384, 420, 237, , 241
ESP10, 260, 282, 347, 392, 423, 239, , 243
ESP10, 273, 293, 353, 402, 428, 241, , 245
ESP10, 269, 289, 348, 399, 425, 243, , 247
ESP10, 262, 284, 341, 392, 419, 245, , 249
ESP10, 263, 284, 347, 396, 426, 248, , 252
ESP10, 264, 286, 350, 396, 431, 250, , 254
ESP10, 273, 293, 355, 402, 436, 252, , 256
ESP10, 274, 291, 353, 402, 434, 254, , 258
ESP10, 276, 291, 352, 400, 432, 256, , 260
ESP10, 267, 285, 339, 390, 421, 258, , 262
ESP10, 262, 285, 336, 388, 417, 260, , 264
ESP10, 264, 296, 336, 387, 418, 262, , 266
ESP10, 256, 288, 326, 379, 410, 264, , 268
ESP10, 251, 283, 322, 374, 406, 266, , 270
ESP10, 250, 280, 324, 372, 404, 268, , 272
ESP10, 258, 284, 327, 373, 406, 270, , 274
ESP10, 262, 284, 327, 372, 407, 273, , 277
ESP10, 266, 286, 329, 373, 409, 275, , 279
ESP10, 269, 285, 330, 372, 411, 277, , 281
ESP10, 269, 287, 334, 373, 412, 279, , 283
ESP10, 269, 288, 334, 374, 413, 281, , 285
ESP10, 269, 290, 334, 376, 412, 283, , 287
ESP10, 267, 293, 335, 374, 410, 285, , 289
ESP10, 270, 302, 340, 378, 413, 287, , 291
ESP10, 270, 304, 341, 379, 413, 289, , 293
ESP10, 265, 304, 338, 376, 410, 291, , 295
ESP10, 273, 311, 344, 381, 413, 293, , 297
ESP10, 272, 314, 344, 385, 413, 296, , 300
ESP10, 280, 319, 348, 390, 416, 298, , 302
ESP10, 286, 317, 346, 391, 414, 300, , 304
ESP10, 290, 319, 350, 392, 415, 302, , 306
ESP10, 291, 323, 353, 393, 417, 304, , 308
ESP10, 292, 324, 354, 396, 418, 306, , 310
ESP10, 295, 326, 355, 396, 419, 308, , 312
ESP10, 299, 330, 356, 397, 420, 310, , 314
ESP10, 300, 331, 356, 398, 421, 312, , 316
ESP10, 303, 331, 357, 397, 421, 314, , 318
ESP10, 306, 332, 356, 398, 420, 316, , 320
ESP10, 313, 339, 358, 403, 422, 318, , 322
ESP10, 316, 337, 356, 405, 421, 321, , 325
ESP10, 313, 335, 358, 407, 418, 323, , 327
ESP10, 314, 336, 363, 408, 419, 325, , 329
ESP10, 305, 327, 356, 399, 414, 327, , 331
ESP10, 306, 331, 357, 400, 416, 329, , 333
ESP10, 307, 333, 362, 401, 417, 331, , 335
ESP10, 311, 338, 365, 403, 419, 333, , 337
ESP10, 313, 341, 367, 404, 420, 335, , 339
ESP10, 314, 340, 369, 404, 419, 337, , 341
ESP10, 318, 339, 366, 400, 416, 339, , 343
ESP10, 312, 332, 361, 392, 409, 341, , 345
ESP10, 309, 333, 360, 390, 409, 344, , 348
ESP10, 313, 338, 363, 393, 416, 346, , 350
ESP10, 314, 340, 366, 396, 418, 348, , 352
ESP10, 323, 351, 375, 405, 425, 350, , 354
ESP10, 323, 352, 379, 406, 426, 352, , 356
ESP10, 320, 348, 376, 402, 425, 354, , 358
ESP10, 314, 341, 369, 398, 422, 356, , 360
ESP10, 310, 337, 364, 392, 416, 358, , 362
ESP10, 318, 349, 373, 400, 422, 360, , 364
ESP10, 316, 345, 372, 398, 419, 362, , 366
ESP10, 311, 343, 371, 394, 414, 364, , 368
ESP10, 325, 357, 384, 406, 426, 366, , 370
ESP10, 323, 355, 380, 405, 421, 369, , 373
ESP10, 325, 357, 380, 405, 420, 371, , 375
ESP10, 324, 356, 378, 409, 419, 373, , 377
ESP10, 323, 356, 380, 409, 418, 375, , 379
ESP10, 319, 352, 376, 406, 414, 377, , 381
ESP10, 311, 345, 371, 398, 407, 379, , 383
ESP10, 306, 337, 368, 390, 401, 381, , 385
ESP10, 317, 350, 379, 399, 410, 383, , 387
ESP10, 316, 353, 379, 399, 410, 385, , 389
ESP10, 321, 358, 384, 404, 414, 387, , 391
ESP10, 318, 356, 383, 403, 413, 389, , 393
ESP10, 328, 361, 387, 407, 415, 392, , 396
ESP10, 324, 358, 383, 403, 412, 394, , 398
ESP10, 323, 358, 384, 404, 412, 396, , 400
ESP10, 321, 358, 383, 402, 409, 398, , 402
ESP10, 322, 360, 389, 404, 412, 400, , 404
ESP10, 329, 366, 397, 410, 421, 402, , 406
ESP10, 326, 361, 393, 406, 417, 404, , 408
ESP10, 321, 360, 388, 401, 412, 406, , 410
ESP10, 331, 369, 397, 411, 422, 408, , 412
ESP10, 332, 373, 399, 413, 423, 410, , 414
ESP10, 337, 376, 403, 417, 425, 412, , 416
ESP10, 339, 378, 405, 418, 427, 414, , 418
ESP10, 339, 377, 403, 417, 429, 417, , 421
ESP10, 345, 382, 408, 421, 433, 419, , 423
ESP10, 353, 386, 411, 426, 435, 421, , 425
ESP10, 357, 387, 411, 428, 435, 423, , 427
ESP10, 362, 387, 413, 427, 435, 425, , 429
ESP10, 365, 387, 413, 429, 435, 427, , 431
ESP10, 369, 387, 411, 428, 434, 429, , 433
ESP10, 361, 378, 403, 419, 427, 431, , 435
ESP10, 357, 375, 400, 414, 425, 433, , 437
ESP10, 358, 375, 399, 415, 425, 435, , 439
ESP10, 363, 378, 401, 420, 427, 437, , 441
ESP10, 361, 378, 399, 419, 426, 440, , 444
ESP10, 362, 380, 402, 419, 429, 442, , 446
ESP10, 359, 378, 400, 417, 428, 444, , 448
ESP10, 363, 379, 400, 418, 428, 446, , 450
ESP10, 360, 377, 400, 416, 425, 448, , 452
ESP10, 359, 377, 399, 417, 424, 450, , 454
ESP10, 363, 380, 404, 418, 425, 452, , 456
ESP10, 359, 373, 398, 412, 421, 454, , 458
ESP10, 362, 377, 402, 416, 425, 456, , 460
ESP10, 371, 384, 407, 422, 431, 458, , 462
ESP10, 367, 380, 403, 419, 429, 460, , 464
ESP10, 371, 381, 406, 424, 433, 462, , 466
ESP10, 373, 386, 407, 425, 434, 465, , 469
ESP10, 371, 385, 405, 422, 433, 467, , 471
ESP10, 378, 392, 409, 426, 439, 469, , 473
ESP10, 375, 388, 406, 423, 436, 471, , 475
ESP10, 383, 395, 413, 431, 444, 473, , 477
ESP10, 373, 388, 407, 424, 435, 475, , 479
ESP10, 377, 394, 415, 430, 440, 477, , 481
ESP10, 383, 399, 420, 435, 443, 479, , 483
ESP10, 388, 403, 423, 440, 446, 481, , 485
ESP10, 392, 401, 428, 440, 446, 483, , 487
ESP10, 398, 403, 428, 442, 447, 485, , 489
ESP10, 393, 401, 423, 437, 442, 488, , 492
ESP10, 396, 407, 426, 439, 446, 490, , 494
ESP10, 394, 407, 425, 437, 444, 492, , 496
ESP10, 400, 413, 430, 442, 449, 494, , 498
ESP10, 399, 414, 430, 442, 449, 496, , 500
ESP10, 394, 411, 427, 438, 445, 498, , 502
ESP10, 399, 409, 426, 439, 445, 500, , 504
ESP10, 401, 414, 432, 441, 446, 502, , 506
ESP10, 406, 420, 435, 446, 450, 504, , 508
ESP10, 410, 424, 440, 449, 453, 506, , 510
ESP10, 413, 425, 444, 451, 457, 508, , 512
ESP10, 414, 427, 446, 453, 460, 510, , 514
ESP10, 413, 427, 444, 451, 459, 513, , 517
ESP10, 415, 428, 446, 452, 459, 515, , 519
ESP10, 419, 430, 447, 454, 461, 517, , 521
ESP10, 420, 429, 446, 452, 459, 519, , 523
ESP10, 423, 431, 446, 454, 459, 521, , 525
ESP10, 420, 429, 443, 450, 455, 523, , 527
ESP10, 423, 431, 444, 453, 457, 525, , 529
ESP10, 425, 433, 449, 455, 460, 527, , 531
ESP10, 424, 432, 449, 454, 459, 529, , 533
ESP10, 426, 432, 450, 454, 459, 531, , 535
ESP10, 430, 435, 451, 456, 461, 533, , 537
ESP10, 431, 436, 452, 457, 462, 536, , 540
ESP10, 429, 433, 450, 455, 459, 538, , 542
ESP10, 433, 438, 452, 458, 462, 540, , 544
ESP10, 435, 442, 455, 460, 463, 542, , 546
ESP10, 438, 446, 458, 462, 465, 544, , 548
ESP10, 436, 444, 457, 461, 464, 546, , 550
ESP10, 434, 443, 455, 459, 462, 548, , 552
ESP10, 436, 447, 456, 460, 464, 550, , 554
ESP10, 436, 446, 453, 458, 462, 552, , 556
ESP10, 434, 446, 452, 456, 460, 554, , 558
ESP10, 434, 445, 452, 455, 459, 556, , 560
ESP10, 436, 446, 452, 456, 459, 558, , 562
ESP10, 441, 449, 454, 459, 460, 561, , 565
ESP10, 442, 448, 453, 458, 460, 563, , 567
ESP10, 439, 444, 450, 454, 456, 565, , 569
ESP10, 436, 440, 446, 449, 451, 567, , 571
ESP10, 438, 442, 448, 450, 451, 569, , 573
ESP10, 440, 444, 449, 452, 452, 571, , 575
ESP10, 442, 447, 452, 454, 454, 573, , 577
ESP10, 441, 446, 450, 452, 453, 575, , 579
ESP10, 442, 447, 451, 452, 453, 577, , 581
ESP10, 441, 448, 451, 452, 453, 579, , 583
ESP10, 441, 447, 450, 451, 452, 581, , 585
ESP10, 443, 448, 451, 452, 453, 584, , 588
ESP10, 440, 445, 448, 449, 450, 586, , 590
ESP10, 443, 447, 449, 450, 451, 588, , 592
ESP10, 446, 449, 451, 452, 453, 590, , 594
ESP10, 447, 449, 451, 453, 453, 592, , 596
ESP10, 446, 448, 450, 451, 452, 594, , 598
ESP10, 447, 448, 450, 452, 452, 596, , 600
ESP10, 446, 448, 450, 451, 452, 598, , 602
ESP10, 447, 449, 451, 452, 453, 600, , 604
ESP10, 446, 448, 450, 451, 452, 602, , 606
ESP10, 445, 447, 449, 450, 451, 604, , 608
ESP10, 446, 448, 450, 451, 452, 607, , 611
ESP10, 445, 448, 450, 451, 451, 609, , 613
ESP10, 445, 447, 449, 450, 451, 611, , 615
ESP10, 445, 447, 448, 449, 450, 613, , 617
ESP10, 446, 447, 449, 450, 450, 615, , 619
ESP10, 445, 446, 448, 449, 449, 617, , 621
ESP10, 444, 445, 447, 448, 448, 619, , 623
ESP10, 443, 444, 446, 447, 447, 621, , 625
ESP10, 443, 445, 446, 447, 448, 623, , 627
ESP10, 443, 445, 446, 447, 448, 625, , 629
ESP10, 444, 445, 446, 447, 448, 627, , 631
ESP10, 443, 445, 446, 447, 448, 629, , 633
ESP10, 442, 444, 445, 446, 447, 632, , 636
ESP10, 440, 442, 443, 444, 445, 634, , 638
ESP10, 438, 439, 441, 442, 442, 636, , 640
ESP10, 438, 440, 441, 442, 443, 638, , 642
ESP10, 438, 439, 441, 442, 442, 640, , 644
ESP10, 438, 440, 441, 442, 442, 642, , 646
ESP10, 436, 437, 439, 440, 440, 644, , 648
ESP10, 436, 437, 439, 440, 440, 646, , 650
ESP10, 435, 437, 438, 439, 440, 648, , 652
ESP10, 436, 437, 439, 440, 440, 650, , 654
ESP10, 435, 437, 438, 439, 440, 652, , 656
ESP10, 435, 437, 438, 439, 439, 655, , 659
ESP10, 435, 436, 438, 438, 439, 657, , 661
ESP10, 435, 436, 438, 439, 439, 659, , 663
ESP10, 435, 436, 438, 439, 439, 661, , 665
ESP10, 435, 436, 438, 439, 439, 663, , 667
ESP10, 435, 436, 438, 438, 439, 665, , 669
ESP10, 435, 436, 437, 438, 439, 667, , 671
ESP10, 434, 436, 437, 438, 438, 669, , 673
ESP10, 435, 437, 438, 439, 440, 671, , 675
ESP10, 435, 437, 438, 439, 439, 673, , 677
ESP10, 435, 437, 437, 438, 439, 675, , 679
ESP10, 436, 437, 438, 439, 439, 677, , 681
ESP10, 436, 437, 438, 439, 439, 680, , 684
ESP10, 436, 437, 438, 439, 439, 682, , 686
ESP10, 434, 436, 436, 437, 438, 684, , 688
ESP10, 434, 435, 436, 436, 437, 686, , 690
ESP10, 435, 435, 436, 437, 437, 688, , 692
ESP10, 435, 435, 436, 437, 437, 690, , 694
ESP10, 437, 437, 438, 439, 439, 692, , 696
ESP10, 436, 437, 437, 438, 439, 694, , 698
ESP10, 436, 437, 438, 438, 439, 696, , 700
ESP10, 435, 436, 437, 437, 438, 698, , 702
ESP10, 435, 436, 437, 437, 438, 700, , 704
ESP10, 435, 435, 436, 437, 437, 703, , 707
ESP10, 435, 436, 437, 437, 438, 705, , 709
ESP10, 435, 436, 436, 437, 438, 707, , 711
ESP10, 436, 436, 437, 438, 438, 709, , 713
ESP10, 436, 436, 437, 437, 438, 711, , 715
ESP10, 436, 436, 437, 437, 438, 713, , 717
ESP10, 435, 435, 436, 436, 437, 715, , 719
ESP10, 435, 436, 437, 437, 437, 717, , 721
ESP10, 436, 436, 437, 437, 438, 719, , 723
ESP10, 435, 435, 436, 437, 437, 721, , 725
ESP10, 435, 436, 436, 437, 437, 723, , 727
ESP10, 435, 436, 436, 437, 437, 725, , 729
ESP10, 436, 437, 437, 438, 438, 728, , 732
ESP10, 434, 435, 436, 436, 437, 730, , 734
ESP10, 434, 435, 436, 436, 436, 732, , 736
ESP10, 434, 435, 435, 436, 436, 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|2026-08-16
AMFI1N_SQIN.ESPF10.csv|2026-08-16
AMFI1N_SQIN.ESPFM.csv|2026-08-16
APR-SEP
SNAKE - AT AMERICAN FALLS DAM
(
AMFI1
)
Forecasts for Water Year
2027
Natural Forecast
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
3878
5379
87
9005
6167
APR-JUL
3192
4502
85
7471
5266
APR-AUG
3569
4981
86
8405
5779
JAN-SEP
4612
6214
86
9985
7190
JAN-JUL
3983
5470
87
8411
6289
OCT-SEP
5436
7295
88
10940
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|2026-08-16
AMFI1N_SQIN.ESPF10.csv|2026-08-16
AMFI1N_SQIN.ESPFM.csv|2026-08-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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