Choose Date:
Archive:
Water Year
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SNAKE - AT BLACKFOOT
(
SNAI1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-23
Issued:
2026-07-23
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3966
3991
68
4026
5894
APR-JUL
3302
3302
65
3302
5043
APR-AUG
3669
3675
66
3704
5529
JAN-SEP
5024
5050
74
5084
6839
JAN-JUL
4361
4361
73
4361
5988
OCT-SEP
5993
6018
76
6053
7870
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-23
Issued:
2026-07-23
Hide Forecast
APR-SEP
3967
3992
68
4020
5894
APR-JUL
3302
3302
65
3305
5043
APR-AUG
3668
3677
67
3696
5529
JAN-SEP
5025
5050
74
5078
6839
JAN-JUL
4360
4361
73
4364
5988
OCT-SEP
5994
6019
76
6046
7870
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-23
Issued:
2026-07-23
Hide Forecast
APR-SEP
4012
4038
69
4104
5894
APR-JUL
3327
3328
66
3336
5043
APR-AUG
3710
3723
67
3766
5529
JAN-SEP
5070
5096
75
5162
6839
JAN-JUL
4385
4387
73
4394
5988
OCT-SEP
6039
6065
77
6131
7870
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 233, 308, 387, 423, 458, 70, , 74
ESP10, 229, 302, 380, 417, 453, 73, , 77
ESP10, 233, 304, 382, 419, 456, 75, , 79
ESP10, 232, 303, 383, 419, 455, 77, , 81
ESP10, 236, 304, 385, 420, 457, 79, , 83
ESP10, 237, 301, 383, 419, 455, 82, , 86
ESP10, 236, 298, 382, 415, 453, 84, , 88
ESP10, 234, 294, 379, 413, 451, 86, , 90
ESP10, 232, 291, 378, 410, 448, 88, , 92
ESP10, 223, 282, 370, 402, 440, 91, , 95
ESP10, 219, 277, 365, 398, 436, 93, , 97
ESP10, 223, 276, 364, 398, 438, 95, , 99
ESP10, 233, 281, 370, 405, 444, 97, , 101
ESP10, 237, 283, 372, 407, 448, 100, , 104
ESP10, 240, 285, 380, 410, 452, 102, , 106
ESP10, 232, 277, 373, 403, 445, 104, , 108
ESP10, 224, 270, 366, 395, 438, 106, , 110
ESP10, 223, 269, 364, 395, 437, 109, , 113
ESP10, 230, 277, 371, 403, 443, 111, , 115
ESP10, 231, 277, 372, 405, 443, 113, , 117
ESP10, 228, 274, 371, 403, 441, 115, , 119
ESP10, 235, 285, 380, 408, 447, 118, , 122
ESP10, 235, 289, 381, 409, 447, 120, , 124
ESP10, 237, 300, 384, 410, 450, 122, , 126
ESP10, 243, 308, 391, 414, 454, 124, , 128
ESP10, 243, 308, 388, 412, 452, 127, , 131
ESP10, 248, 311, 390, 415, 454, 129, , 133
ESP10, 255, 312, 392, 415, 456, 131, , 135
ESP10, 256, 313, 392, 415, 457, 133, , 137
ESP10, 246, 302, 380, 407, 449, 136, , 140
ESP10, 247, 304, 381, 408, 451, 138, , 142
ESP10, 253, 310, 384, 411, 456, 140, , 144
ESP10, 259, 315, 388, 416, 461, 142, , 146
ESP10, 255, 316, 383, 414, 462, 145, , 149
ESP10, 254, 316, 384, 415, 463, 147, , 151
ESP10, 255, 317, 387, 416, 466, 149, , 153
ESP10, 254, 315, 388, 418, 471, 151, , 155
ESP10, 250, 309, 381, 413, 467, 154, , 158
ESP10, 248, 306, 379, 413, 466, 156, , 160
ESP10, 256, 314, 390, 421, 472, 158, , 162
ESP10, 263, 318, 394, 424, 475, 160, , 164
ESP10, 259, 312, 389, 421, 470, 163, , 167
ESP10, 264, 316, 392, 424, 473, 165, , 169
ESP10, 269, 319, 396, 427, 475, 167, , 171
ESP10, 277, 318, 395, 428, 474, 170, , 174
ESP10, 277, 317, 394, 429, 472, 172, , 176
ESP10, 282, 322, 401, 435, 478, 174, , 178
ESP10, 285, 324, 404, 436, 481, 176, , 180
ESP10, 283, 327, 402, 436, 480, 179, , 183
ESP10, 278, 328, 399, 432, 476, 181, , 185
ESP10, 280, 330, 402, 434, 477, 183, , 187
ESP10, 278, 329, 401, 431, 474, 185, , 189
ESP10, 290, 333, 405, 433, 476, 188, , 192
ESP10, 292, 338, 408, 435, 477, 190, , 194
ESP10, 294, 347, 409, 436, 477, 192, , 196
ESP10, 294, 350, 409, 440, 477, 194, , 198
ESP10, 287, 345, 403, 441, 471, 197, , 201
ESP10, 291, 349, 410, 443, 472, 199, , 203
ESP10, 300, 351, 412, 445, 473, 201, , 205
ESP10, 291, 336, 398, 432, 461, 203, , 207
ESP10, 281, 322, 386, 422, 449, 206, , 210
ESP10, 291, 330, 396, 430, 458, 208, , 212
ESP10, 284, 324, 390, 422, 451, 210, , 214
ESP10, 277, 317, 384, 419, 446, 212, , 216
ESP10, 282, 318, 386, 423, 447, 215, , 219
ESP10, 279, 313, 381, 417, 441, 217, , 221
ESP10, 273, 309, 375, 412, 435, 219, , 223
ESP10, 286, 321, 386, 425, 450, 221, , 225
ESP10, 290, 327, 390, 429, 453, 224, , 228
ESP10, 282, 320, 383, 424, 447, 226, , 230
ESP10, 273, 310, 372, 415, 439, 228, , 232
ESP10, 265, 301, 365, 407, 431, 230, , 234
ESP10, 253, 289, 357, 398, 424, 233, , 237
ESP10, 255, 291, 359, 399, 426, 235, , 239
ESP10, 258, 292, 361, 400, 429, 237, , 241
ESP10, 251, 285, 352, 391, 422, 239, , 243
ESP10, 246, 276, 344, 382, 415, 242, , 246
ESP10, 244, 272, 341, 379, 414, 244, , 248
ESP10, 248, 274, 343, 382, 416, 246, , 250
ESP10, 254, 273, 344, 381, 417, 248, , 252
ESP10, 259, 276, 344, 384, 420, 251, , 255
ESP10, 264, 280, 346, 390, 422, 253, , 257
ESP10, 274, 290, 353, 400, 428, 255, , 259
ESP10, 270, 286, 349, 397, 424, 257, , 261
ESP10, 262, 281, 342, 390, 418, 260, , 264
ESP10, 263, 282, 347, 395, 425, 262, , 266
ESP10, 265, 285, 348, 395, 431, 264, , 268
ESP10, 273, 292, 354, 401, 436, 267, , 271
ESP10, 275, 290, 352, 401, 434, 269, , 273
ESP10, 275, 290, 350, 400, 432, 271, , 275
ESP10, 266, 282, 338, 389, 421, 273, , 277
ESP10, 262, 284, 337, 386, 416, 276, , 280
ESP10, 263, 294, 336, 386, 417, 278, , 282
ESP10, 255, 286, 327, 377, 409, 280, , 284
ESP10, 250, 280, 325, 372, 405, 282, , 286
ESP10, 250, 279, 327, 372, 403, 285, , 289
ESP10, 257, 283, 329, 373, 404, 287, , 291
ESP10, 262, 284, 330, 373, 407, 289, , 293
ESP10, 266, 286, 331, 373, 408, 291, , 295
ESP10, 268, 287, 332, 373, 410, 294, , 298
ESP10, 268, 287, 336, 373, 411, 296, , 300
ESP10, 268, 287, 337, 374, 412, 298, , 302
ESP10, 269, 290, 337, 374, 411, 300, , 304
ESP10, 266, 292, 336, 373, 409, 303, , 307
ESP10, 271, 304, 343, 378, 413, 305, , 309
ESP10, 272, 304, 344, 379, 412, 307, , 311
ESP10, 268, 303, 341, 376, 409, 309, , 313
ESP10, 276, 311, 347, 382, 412, 312, , 316
ESP10, 275, 315, 347, 384, 412, 314, , 318
ESP10, 282, 320, 352, 389, 415, 316, , 320
ESP10, 286, 319, 351, 390, 413, 318, , 322
ESP10, 290, 321, 352, 391, 414, 321, , 325
ESP10, 291, 327, 354, 392, 416, 323, , 327
ESP10, 292, 328, 356, 394, 417, 325, , 329
ESP10, 295, 330, 357, 394, 418, 327, , 331
ESP10, 299, 332, 358, 396, 419, 330, , 334
ESP10, 300, 332, 358, 397, 420, 332, , 336
ESP10, 302, 332, 358, 396, 422, 334, , 338
ESP10, 307, 334, 358, 397, 422, 336, , 340
ESP10, 313, 343, 361, 401, 423, 339, , 343
ESP10, 317, 341, 359, 404, 421, 341, , 345
ESP10, 314, 338, 361, 406, 419, 343, , 347
ESP10, 315, 339, 367, 407, 420, 345, , 349
ESP10, 306, 330, 359, 398, 414, 348, , 352
ESP10, 307, 331, 362, 400, 415, 350, , 354
ESP10, 308, 333, 366, 401, 416, 352, , 356
ESP10, 311, 339, 368, 402, 418, 354, , 358
ESP10, 313, 342, 371, 403, 419, 357, , 361
ESP10, 314, 341, 374, 404, 419, 359, , 363
ESP10, 318, 339, 370, 399, 415, 361, , 365
ESP10, 312, 332, 364, 391, 408, 364, , 368
ESP10, 310, 332, 363, 388, 408, 366, , 370
ESP10, 312, 336, 366, 392, 415, 368, , 372
ESP10, 313, 340, 367, 395, 417, 370, , 374
ESP10, 320, 350, 373, 403, 423, 373, , 377
ESP10, 321, 350, 375, 404, 424, 375, , 379
ESP10, 318, 349, 374, 400, 423, 377, , 381
ESP10, 312, 341, 367, 395, 419, 379, , 383
ESP10, 308, 336, 362, 390, 413, 382, , 386
ESP10, 316, 345, 370, 397, 420, 384, , 388
ESP10, 314, 342, 370, 395, 416, 386, , 390
ESP10, 310, 340, 368, 391, 412, 388, , 392
ESP10, 323, 355, 385, 404, 423, 391, , 395
ESP10, 321, 353, 379, 402, 418, 393, , 397
ESP10, 323, 356, 378, 403, 417, 395, , 399
ESP10, 322, 355, 376, 406, 416, 397, , 401
ESP10, 321, 354, 378, 407, 415, 400, , 404
ESP10, 318, 350, 374, 403, 412, 402, , 406
ESP10, 310, 344, 369, 396, 405, 404, , 408
ESP10, 304, 336, 367, 388, 398, 406, , 410
ESP10, 314, 348, 378, 397, 408, 409, , 413
ESP10, 314, 352, 379, 397, 407, 411, , 415
ESP10, 319, 357, 383, 401, 412, 413, , 417
ESP10, 316, 355, 381, 400, 410, 415, , 419
ESP10, 325, 360, 386, 404, 413, 418, , 422
ESP10, 321, 358, 383, 401, 410, 420, , 424
ESP10, 321, 357, 383, 401, 410, 422, , 426
ESP10, 317, 357, 381, 401, 407, 424, , 428
ESP10, 319, 358, 387, 402, 410, 427, , 431
ESP10, 326, 365, 396, 408, 419, 429, , 433
ESP10, 323, 360, 391, 404, 415, 431, , 435
ESP10, 318, 358, 386, 399, 410, 433, , 437
ESP10, 328, 367, 395, 409, 420, 436, , 440
ESP10, 331, 371, 397, 412, 421, 438, , 442
ESP10, 336, 374, 401, 416, 423, 440, , 444
ESP10, 337, 375, 403, 417, 425, 442, , 446
ESP10, 337, 375, 403, 416, 428, 445, , 449
ESP10, 344, 381, 407, 420, 432, 447, , 451
ESP10, 351, 385, 409, 425, 434, 449, , 453
ESP10, 355, 386, 411, 426, 434, 452, , 456
ESP10, 360, 386, 412, 426, 434, 454, , 458
ESP10, 363, 386, 412, 427, 435, 456, , 460
ESP10, 366, 386, 410, 427, 433, 458, , 462
ESP10, 360, 378, 402, 418, 426, 461, , 465
ESP10, 355, 374, 399, 413, 424, 463, , 467
ESP10, 356, 374, 398, 413, 424, 465, , 469
ESP10, 361, 376, 399, 419, 426, 467, , 471
ESP10, 359, 377, 397, 418, 426, 470, , 474
ESP10, 359, 377, 400, 418, 427, 472, , 476
ESP10, 357, 376, 398, 416, 427, 474, , 478
ESP10, 361, 377, 398, 416, 426, 476, , 480
ESP10, 357, 374, 398, 415, 423, 479, , 483
ESP10, 356, 375, 397, 415, 422, 481, , 485
ESP10, 360, 378, 401, 416, 423, 483, , 487
ESP10, 357, 371, 395, 410, 419, 485, , 489
ESP10, 360, 374, 400, 414, 423, 488, , 492
ESP10, 369, 381, 404, 420, 429, 490, , 494
ESP10, 365, 377, 401, 417, 428, 492, , 496
ESP10, 369, 379, 403, 422, 431, 494, , 498
ESP10, 371, 383, 404, 423, 432, 497, , 501
ESP10, 368, 381, 402, 420, 431, 499, , 503
ESP10, 375, 389, 406, 424, 436, 501, , 505
ESP10, 373, 385, 404, 421, 434, 503, , 507
ESP10, 380, 392, 411, 429, 442, 506, , 510
ESP10, 369, 385, 405, 421, 433, 508, , 512
ESP10, 374, 391, 412, 427, 437, 510, , 514
ESP10, 380, 395, 417, 433, 441, 512, , 516
ESP10, 386, 401, 422, 439, 445, 515, , 519
ESP10, 389, 399, 426, 438, 444, 517, , 521
ESP10, 395, 402, 427, 441, 446, 519, , 523
ESP10, 390, 399, 422, 435, 440, 521, , 525
ESP10, 393, 405, 424, 438, 444, 524, , 528
ESP10, 391, 405, 422, 436, 442, 526, , 530
ESP10, 397, 411, 427, 440, 447, 528, , 532
ESP10, 397, 412, 428, 440, 447, 530, , 534
ESP10, 392, 409, 425, 437, 444, 533, , 537
ESP10, 396, 408, 424, 438, 444, 535, , 539
ESP10, 399, 413, 430, 440, 445, 537, , 541
ESP10, 404, 418, 434, 445, 449, 539, , 543
ESP10, 408, 423, 439, 448, 453, 542, , 546
ESP10, 411, 424, 443, 450, 456, 544, , 548
ESP10, 412, 425, 445, 452, 459, 546, , 550
ESP10, 411, 425, 444, 450, 459, 549, , 553
ESP10, 413, 426, 445, 451, 459, 551, , 555
ESP10, 417, 429, 446, 453, 460, 553, , 557
ESP10, 419, 429, 445, 452, 459, 555, , 559
ESP10, 421, 430, 444, 453, 458, 558, , 562
ESP10, 418, 428, 442, 449, 455, 560, , 564
ESP10, 422, 429, 443, 452, 456, 562, , 566
ESP10, 423, 431, 448, 454, 459, 564, , 568
ESP10, 423, 431, 448, 453, 459, 567, , 571
ESP10, 425, 431, 449, 454, 459, 569, , 573
ESP10, 429, 433, 451, 456, 461, 571, , 575
ESP10, 430, 436, 452, 457, 462, 573, , 577
ESP10, 429, 433, 451, 455, 460, 576, , 580
ESP10, 433, 439, 453, 458, 463, 578, , 582
ESP10, 434, 441, 455, 460, 463, 580, , 584
ESP10, 437, 445, 458, 462, 465, 582, , 586
ESP10, 436, 444, 457, 462, 464, 585, , 589
ESP10, 434, 442, 454, 459, 462, 587, , 591
ESP10, 435, 447, 456, 460, 464, 589, , 593
ESP10, 435, 446, 453, 458, 462, 591, , 595
ESP10, 433, 445, 452, 456, 459, 594, , 598
ESP10, 433, 444, 451, 455, 458, 596, , 600
ESP10, 435, 446, 451, 455, 458, 598, , 602
ESP10, 440, 448, 454, 458, 460, 600, , 604
ESP10, 441, 447, 453, 457, 459, 603, , 607
ESP10, 439, 444, 450, 454, 455, 605, , 609
ESP10, 435, 439, 446, 448, 450, 607, , 611
ESP10, 437, 441, 447, 449, 450, 609, , 613
ESP10, 439, 444, 448, 451, 451, 612, , 616
ESP10, 441, 447, 451, 453, 454, 614, , 618
ESP10, 441, 446, 450, 452, 453, 616, , 620
ESP10, 441, 447, 451, 452, 453, 618, , 622
ESP10, 440, 448, 451, 451, 452, 621, , 625
ESP10, 440, 447, 450, 451, 452, 623, , 627
ESP10, 442, 448, 450, 452, 452, 625, , 629
ESP10, 440, 445, 447, 448, 449, 627, , 631
ESP10, 443, 446, 449, 450, 451, 630, , 634
ESP10, 446, 448, 450, 452, 453, 632, , 636
ESP10, 447, 449, 451, 452, 453, 634, , 638
ESP10, 446, 447, 449, 451, 451, 636, , 640
ESP10, 446, 448, 449, 451, 451, 639, , 643
ESP10, 445, 447, 449, 450, 451, 641, , 645
ESP10, 446, 448, 450, 451, 452, 643, , 647
ESP10, 445, 447, 449, 451, 451, 646, , 650
ESP10, 444, 446, 448, 449, 450, 648, , 652
ESP10, 445, 447, 449, 450, 451, 650, , 654
ESP10, 445, 447, 448, 449, 450, 652, , 656
ESP10, 444, 446, 448, 449, 449, 655, , 659
ESP10, 444, 445, 447, 448, 449, 657, , 661
ESP10, 444, 446, 447, 448, 449, 659, , 663
ESP10, 443, 445, 446, 447, 448, 661, , 665
ESP10, 442, 444, 445, 446, 447, 664, , 668
ESP10, 442, 443, 445, 445, 446, 666, , 670
ESP10, 442, 443, 445, 446, 446, 668, , 672
ESP10, 442, 443, 445, 446, 446, 670, , 674
ESP10, 442, 444, 445, 446, 446, 673, , 677
ESP10, 442, 443, 445, 446, 446, 675, , 679
ESP10, 441, 442, 444, 444, 445, 677, , 681
ESP10, 438, 440, 441, 442, 443, 679, , 683
ESP10, 436, 438, 439, 440, 440, 682, , 686
ESP10, 437, 438, 439, 440, 441, 684, , 688
ESP10, 436, 438, 439, 440, 440, 686, , 690
ESP10, 437, 438, 439, 440, 441, 688, , 692
ESP10, 435, 436, 437, 438, 438, 691, , 695
ESP10, 434, 436, 437, 438, 438, 693, , 697
ESP10, 434, 435, 437, 437, 438, 695, , 699
ESP10, 434, 436, 437, 438, 438, 697, , 701
ESP10, 434, 436, 437, 438, 438, 700, , 704
ESP10, 433, 435, 436, 437, 438, 702, , 706
ESP10, 433, 435, 436, 437, 437, 704, , 708
ESP10, 433, 435, 436, 437, 437, 706, , 710
ESP10, 433, 435, 436, 437, 437, 709, , 713
ESP10, 433, 435, 436, 437, 437, 711, , 715
ESP10, 433, 435, 436, 437, 437, 713, , 717
ESP10, 433, 435, 436, 437, 437, 715, , 719
ESP10, 432, 434, 435, 436, 436, 718, , 722
ESP10, 434, 436, 437, 437, 438, 720, , 724
ESP10, 433, 435, 436, 437, 437, 722, , 726
ESP10, 433, 435, 436, 436, 437, 724, , 728
ESP10, 434, 435, 436, 437, 437, 727, , 731
ESP10, 434, 435, 436, 437, 437, 729, , 733
ESP10, 434, 435, 436, 437, 437, 731, , 735
ESP10, 433, 434, 434, 435, 436, 733, , 737
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/SNAI1N_SQIN.ESPF10.csv
SNAI1N_SQIN.ESPF0.csv|2026-07-23
SNAI1N_SQIN.ESPF10.csv|2026-07-23
SNAI1N_SQIN.ESPFM.csv|2026-07-23
APR-SEP
SNAKE - AT BLACKFOOT
(
SNAI1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-23
Issued:
2026-07-23
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3605
5069
86
8361
5894
APR-JUL
3026
4301
85
6950
5043
APR-AUG
3343
4722
85
7815
5529
JAN-SEP
4344
5820
85
9209
6839
JAN-JUL
3768
5051
84
7798
5988
OCT-SEP
5125
6790
86
10096
7870
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/SNAI1N_SQIN.ESPF10.csv
SNAI1N_SQIN.ESPF0.csv|2026-07-23
SNAI1N_SQIN.ESPF10.csv|2026-07-23
SNAI1N_SQIN.ESPFM.csv|2026-07-23
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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