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Archive:
Water Year
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SNAKE - AT BLACKFOOT
(
SNAI1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-18
Issued:
2026-07-18
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3932
3957
67
4015
5894
APR-JUL
3295
3295
65
3296
5043
JAN-SEP
4990
5015
73
5074
6839
JAN-JUL
4353
4353
73
4355
5988
OCT-SEP
5959
5984
76
6042
7870
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-18
Issued:
2026-07-18
Hide Forecast
APR-SEP
3911
3935
67
4002
5894
APR-JUL
3283
3287
65
3296
5043
JAN-SEP
4970
4993
73
5061
6839
JAN-JUL
4341
4345
73
4354
5988
OCT-SEP
5938
5962
76
6029
7870
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-18
Issued:
2026-07-18
Hide Forecast
APR-SEP
3949
3978
67
4039
5894
APR-JUL
3316
3318
66
3327
5043
JAN-SEP
5007
5036
74
5098
6839
JAN-JUL
4374
4376
73
4385
5988
OCT-SEP
5976
6004
76
6066
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, 89, , 93
ESP10, 223, 282, 370, 402, 440, 91, , 95
ESP10, 219, 277, 365, 398, 436, 93, , 97
ESP10, 223, 276, 364, 398, 438, 96, , 100
ESP10, 233, 281, 370, 405, 444, 98, , 102
ESP10, 237, 283, 372, 407, 448, 100, , 104
ESP10, 240, 285, 380, 410, 452, 102, , 106
ESP10, 232, 277, 373, 403, 445, 105, , 109
ESP10, 224, 270, 366, 395, 438, 107, , 111
ESP10, 223, 269, 364, 395, 437, 109, , 113
ESP10, 230, 277, 371, 403, 443, 112, , 116
ESP10, 231, 277, 372, 405, 443, 114, , 118
ESP10, 228, 274, 371, 403, 441, 116, , 120
ESP10, 235, 285, 380, 408, 447, 118, , 122
ESP10, 235, 289, 381, 409, 447, 121, , 125
ESP10, 237, 300, 384, 410, 450, 123, , 127
ESP10, 243, 308, 391, 414, 454, 125, , 129
ESP10, 243, 308, 388, 412, 452, 128, , 132
ESP10, 248, 311, 390, 415, 454, 130, , 134
ESP10, 255, 312, 392, 415, 456, 132, , 136
ESP10, 256, 313, 392, 415, 457, 135, , 139
ESP10, 246, 302, 380, 407, 449, 137, , 141
ESP10, 247, 304, 381, 408, 451, 139, , 143
ESP10, 253, 310, 384, 411, 456, 141, , 145
ESP10, 259, 315, 388, 416, 461, 144, , 148
ESP10, 255, 316, 383, 414, 462, 146, , 150
ESP10, 254, 316, 384, 415, 463, 148, , 152
ESP10, 255, 317, 387, 416, 466, 151, , 155
ESP10, 254, 315, 388, 418, 471, 153, , 157
ESP10, 250, 309, 381, 413, 467, 155, , 159
ESP10, 248, 306, 379, 413, 466, 157, , 161
ESP10, 256, 314, 390, 421, 472, 160, , 164
ESP10, 263, 318, 394, 424, 475, 162, , 166
ESP10, 259, 312, 389, 421, 470, 164, , 168
ESP10, 264, 316, 392, 424, 473, 167, , 171
ESP10, 269, 319, 396, 427, 475, 169, , 173
ESP10, 277, 318, 395, 428, 474, 171, , 175
ESP10, 277, 317, 394, 429, 472, 174, , 178
ESP10, 282, 322, 401, 435, 478, 176, , 180
ESP10, 285, 324, 404, 436, 481, 178, , 182
ESP10, 283, 327, 402, 436, 480, 180, , 184
ESP10, 278, 328, 399, 432, 476, 183, , 187
ESP10, 280, 330, 402, 434, 477, 185, , 189
ESP10, 278, 329, 401, 431, 474, 187, , 191
ESP10, 290, 333, 405, 433, 476, 190, , 194
ESP10, 292, 338, 408, 435, 477, 192, , 196
ESP10, 294, 347, 409, 436, 477, 194, , 198
ESP10, 294, 350, 409, 440, 477, 196, , 200
ESP10, 287, 345, 403, 441, 471, 199, , 203
ESP10, 291, 349, 410, 443, 472, 201, , 205
ESP10, 300, 351, 412, 445, 473, 203, , 207
ESP10, 291, 336, 398, 432, 461, 206, , 210
ESP10, 281, 322, 386, 422, 449, 208, , 212
ESP10, 291, 330, 396, 430, 458, 210, , 214
ESP10, 284, 324, 390, 422, 451, 213, , 217
ESP10, 277, 317, 384, 419, 446, 215, , 219
ESP10, 282, 318, 386, 423, 447, 217, , 221
ESP10, 279, 313, 381, 417, 441, 219, , 223
ESP10, 273, 309, 375, 412, 435, 222, , 226
ESP10, 286, 321, 386, 425, 450, 224, , 228
ESP10, 290, 327, 390, 429, 453, 226, , 230
ESP10, 282, 320, 383, 424, 447, 229, , 233
ESP10, 273, 310, 372, 415, 439, 231, , 235
ESP10, 265, 301, 365, 407, 431, 233, , 237
ESP10, 253, 289, 357, 398, 424, 236, , 240
ESP10, 255, 291, 359, 399, 426, 238, , 242
ESP10, 258, 292, 361, 400, 429, 240, , 244
ESP10, 251, 285, 352, 391, 422, 242, , 246
ESP10, 246, 276, 344, 382, 415, 245, , 249
ESP10, 244, 272, 341, 379, 414, 247, , 251
ESP10, 248, 274, 343, 382, 416, 249, , 253
ESP10, 254, 273, 344, 381, 417, 252, , 256
ESP10, 259, 276, 344, 384, 420, 254, , 258
ESP10, 264, 280, 346, 390, 422, 256, , 260
ESP10, 274, 290, 353, 400, 428, 258, , 262
ESP10, 270, 286, 349, 397, 424, 261, , 265
ESP10, 262, 281, 342, 390, 418, 263, , 267
ESP10, 263, 282, 347, 395, 425, 265, , 269
ESP10, 265, 285, 348, 395, 431, 268, , 272
ESP10, 273, 292, 354, 401, 436, 270, , 274
ESP10, 275, 290, 352, 401, 434, 272, , 276
ESP10, 275, 290, 350, 400, 432, 275, , 279
ESP10, 266, 282, 338, 389, 421, 277, , 281
ESP10, 262, 284, 337, 386, 416, 279, , 283
ESP10, 263, 294, 336, 386, 417, 281, , 285
ESP10, 255, 286, 327, 377, 409, 284, , 288
ESP10, 250, 280, 325, 372, 405, 286, , 290
ESP10, 250, 279, 327, 372, 403, 288, , 292
ESP10, 257, 283, 329, 373, 404, 291, , 295
ESP10, 262, 284, 330, 373, 407, 293, , 297
ESP10, 266, 286, 331, 373, 408, 295, , 299
ESP10, 268, 287, 332, 373, 410, 297, , 301
ESP10, 268, 287, 336, 373, 411, 300, , 304
ESP10, 268, 287, 337, 374, 412, 302, , 306
ESP10, 269, 290, 337, 374, 411, 304, , 308
ESP10, 266, 292, 336, 373, 409, 307, , 311
ESP10, 271, 304, 343, 378, 413, 309, , 313
ESP10, 272, 304, 344, 379, 412, 311, , 315
ESP10, 268, 303, 341, 376, 409, 314, , 318
ESP10, 276, 311, 347, 382, 412, 316, , 320
ESP10, 275, 315, 347, 384, 412, 318, , 322
ESP10, 282, 320, 352, 389, 415, 320, , 324
ESP10, 286, 319, 351, 390, 413, 323, , 327
ESP10, 290, 321, 352, 391, 414, 325, , 329
ESP10, 291, 327, 354, 392, 416, 327, , 331
ESP10, 292, 328, 356, 394, 417, 330, , 334
ESP10, 295, 330, 357, 394, 418, 332, , 336
ESP10, 299, 332, 358, 396, 419, 334, , 338
ESP10, 300, 332, 358, 397, 420, 336, , 340
ESP10, 302, 332, 358, 396, 422, 339, , 343
ESP10, 307, 334, 358, 397, 422, 341, , 345
ESP10, 313, 343, 361, 401, 423, 343, , 347
ESP10, 317, 341, 359, 404, 421, 346, , 350
ESP10, 314, 338, 361, 406, 419, 348, , 352
ESP10, 315, 339, 367, 407, 420, 350, , 354
ESP10, 306, 330, 359, 398, 414, 353, , 357
ESP10, 307, 331, 362, 400, 415, 355, , 359
ESP10, 308, 333, 366, 401, 416, 357, , 361
ESP10, 311, 339, 368, 402, 418, 359, , 363
ESP10, 313, 342, 371, 403, 419, 362, , 366
ESP10, 314, 341, 374, 404, 419, 364, , 368
ESP10, 318, 339, 370, 399, 415, 366, , 370
ESP10, 312, 332, 364, 391, 408, 369, , 373
ESP10, 310, 332, 363, 388, 408, 371, , 375
ESP10, 312, 336, 366, 392, 415, 373, , 377
ESP10, 313, 340, 367, 395, 417, 375, , 379
ESP10, 320, 350, 373, 403, 423, 378, , 382
ESP10, 321, 350, 375, 404, 424, 380, , 384
ESP10, 318, 349, 374, 400, 423, 382, , 386
ESP10, 312, 341, 367, 395, 419, 385, , 389
ESP10, 308, 336, 362, 390, 413, 387, , 391
ESP10, 316, 345, 370, 397, 420, 389, , 393
ESP10, 314, 342, 370, 395, 416, 392, , 396
ESP10, 310, 340, 368, 391, 412, 394, , 398
ESP10, 323, 355, 385, 404, 423, 396, , 400
ESP10, 321, 353, 379, 402, 418, 398, , 402
ESP10, 323, 356, 378, 403, 417, 401, , 405
ESP10, 322, 355, 376, 406, 416, 403, , 407
ESP10, 321, 354, 378, 407, 415, 405, , 409
ESP10, 318, 350, 374, 403, 412, 408, , 412
ESP10, 310, 344, 369, 396, 405, 410, , 414
ESP10, 304, 336, 367, 388, 398, 412, , 416
ESP10, 314, 348, 378, 397, 408, 414, , 418
ESP10, 314, 352, 379, 397, 407, 417, , 421
ESP10, 319, 357, 383, 401, 412, 419, , 423
ESP10, 316, 355, 381, 400, 410, 421, , 425
ESP10, 325, 360, 386, 404, 413, 424, , 428
ESP10, 321, 358, 383, 401, 410, 426, , 430
ESP10, 321, 357, 383, 401, 410, 428, , 432
ESP10, 317, 357, 381, 401, 407, 431, , 435
ESP10, 319, 358, 387, 402, 410, 433, , 437
ESP10, 326, 365, 396, 408, 419, 435, , 439
ESP10, 323, 360, 391, 404, 415, 437, , 441
ESP10, 318, 358, 386, 399, 410, 440, , 444
ESP10, 328, 367, 395, 409, 420, 442, , 446
ESP10, 331, 371, 397, 412, 421, 444, , 448
ESP10, 336, 374, 401, 416, 423, 447, , 451
ESP10, 337, 375, 403, 417, 425, 449, , 453
ESP10, 337, 375, 403, 416, 428, 451, , 455
ESP10, 344, 381, 407, 420, 432, 453, , 457
ESP10, 351, 385, 409, 425, 434, 456, , 460
ESP10, 355, 386, 411, 426, 434, 458, , 462
ESP10, 360, 386, 412, 426, 434, 460, , 464
ESP10, 363, 386, 412, 427, 435, 463, , 467
ESP10, 366, 386, 410, 427, 433, 465, , 469
ESP10, 360, 378, 402, 418, 426, 467, , 471
ESP10, 355, 374, 399, 413, 424, 470, , 474
ESP10, 356, 374, 398, 413, 424, 472, , 476
ESP10, 361, 376, 399, 419, 426, 474, , 478
ESP10, 359, 377, 397, 418, 426, 476, , 480
ESP10, 359, 377, 400, 418, 427, 479, , 483
ESP10, 357, 376, 398, 416, 427, 481, , 485
ESP10, 361, 377, 398, 416, 426, 483, , 487
ESP10, 357, 374, 398, 415, 423, 486, , 490
ESP10, 356, 375, 397, 415, 422, 488, , 492
ESP10, 360, 378, 401, 416, 423, 490, , 494
ESP10, 357, 371, 395, 410, 419, 492, , 496
ESP10, 360, 374, 400, 414, 423, 495, , 499
ESP10, 369, 381, 404, 420, 429, 497, , 501
ESP10, 365, 377, 401, 417, 428, 499, , 503
ESP10, 369, 379, 403, 422, 431, 502, , 506
ESP10, 371, 383, 404, 423, 432, 504, , 508
ESP10, 368, 381, 402, 420, 431, 506, , 510
ESP10, 375, 389, 406, 424, 436, 509, , 513
ESP10, 373, 385, 404, 421, 434, 511, , 515
ESP10, 380, 392, 411, 429, 442, 513, , 517
ESP10, 369, 385, 405, 421, 433, 515, , 519
ESP10, 374, 391, 412, 427, 437, 518, , 522
ESP10, 380, 395, 417, 433, 441, 520, , 524
ESP10, 386, 401, 422, 439, 445, 522, , 526
ESP10, 389, 399, 426, 438, 444, 525, , 529
ESP10, 395, 402, 427, 441, 446, 527, , 531
ESP10, 390, 399, 422, 435, 440, 529, , 533
ESP10, 393, 405, 424, 438, 444, 531, , 535
ESP10, 391, 405, 422, 436, 442, 534, , 538
ESP10, 397, 411, 427, 440, 447, 536, , 540
ESP10, 397, 412, 428, 440, 447, 538, , 542
ESP10, 392, 409, 425, 437, 444, 541, , 545
ESP10, 396, 408, 424, 438, 444, 543, , 547
ESP10, 399, 413, 430, 440, 445, 545, , 549
ESP10, 404, 418, 434, 445, 449, 548, , 552
ESP10, 408, 423, 439, 448, 453, 550, , 554
ESP10, 411, 424, 443, 450, 456, 552, , 556
ESP10, 412, 425, 445, 452, 459, 554, , 558
ESP10, 411, 425, 444, 450, 459, 557, , 561
ESP10, 413, 426, 445, 451, 459, 559, , 563
ESP10, 417, 429, 446, 453, 460, 561, , 565
ESP10, 419, 429, 445, 452, 459, 564, , 568
ESP10, 421, 430, 444, 453, 458, 566, , 570
ESP10, 418, 428, 442, 449, 455, 568, , 572
ESP10, 422, 429, 443, 452, 456, 571, , 575
ESP10, 423, 431, 448, 454, 459, 573, , 577
ESP10, 423, 431, 448, 453, 459, 575, , 579
ESP10, 425, 431, 449, 454, 459, 577, , 581
ESP10, 429, 433, 451, 456, 461, 580, , 584
ESP10, 430, 436, 452, 457, 462, 582, , 586
ESP10, 429, 433, 451, 455, 460, 584, , 588
ESP10, 433, 439, 453, 458, 463, 587, , 591
ESP10, 434, 441, 455, 460, 463, 589, , 593
ESP10, 437, 445, 458, 462, 465, 591, , 595
ESP10, 436, 444, 457, 462, 464, 593, , 597
ESP10, 434, 442, 454, 459, 462, 596, , 600
ESP10, 435, 447, 456, 460, 464, 598, , 602
ESP10, 435, 446, 453, 458, 462, 600, , 604
ESP10, 433, 445, 452, 456, 459, 603, , 607
ESP10, 433, 444, 451, 455, 458, 605, , 609
ESP10, 435, 446, 451, 455, 458, 607, , 611
ESP10, 440, 448, 454, 458, 460, 610, , 614
ESP10, 441, 447, 453, 457, 459, 612, , 616
ESP10, 439, 444, 450, 454, 455, 614, , 618
ESP10, 435, 439, 446, 448, 450, 616, , 620
ESP10, 437, 441, 447, 449, 450, 619, , 623
ESP10, 439, 444, 448, 451, 451, 621, , 625
ESP10, 441, 447, 451, 453, 454, 623, , 627
ESP10, 441, 446, 450, 452, 453, 626, , 630
ESP10, 441, 447, 451, 452, 453, 628, , 632
ESP10, 440, 448, 451, 451, 452, 630, , 634
ESP10, 440, 447, 450, 451, 452, 632, , 636
ESP10, 442, 448, 450, 452, 452, 635, , 639
ESP10, 440, 445, 447, 448, 449, 637, , 641
ESP10, 443, 446, 449, 450, 451, 639, , 643
ESP10, 446, 448, 450, 452, 453, 642, , 646
ESP10, 447, 449, 451, 452, 453, 644, , 648
ESP10, 446, 447, 449, 451, 451, 646, , 650
ESP10, 446, 448, 449, 451, 451, 649, , 653
ESP10, 445, 447, 449, 450, 451, 651, , 655
ESP10, 446, 448, 450, 451, 452, 653, , 657
ESP10, 445, 447, 449, 451, 451, 655, , 659
ESP10, 444, 446, 448, 449, 450, 658, , 662
ESP10, 445, 447, 449, 450, 451, 660, , 664
ESP10, 445, 447, 448, 449, 450, 662, , 666
ESP10, 444, 446, 448, 449, 449, 665, , 669
ESP10, 444, 445, 447, 448, 449, 667, , 671
ESP10, 444, 446, 447, 448, 449, 669, , 673
ESP10, 443, 445, 446, 447, 448, 671, , 675
ESP10, 442, 444, 445, 446, 447, 674, , 678
ESP10, 442, 443, 445, 445, 446, 676, , 680
ESP10, 442, 443, 445, 446, 446, 678, , 682
ESP10, 442, 443, 445, 446, 446, 681, , 685
ESP10, 442, 444, 445, 446, 446, 683, , 687
ESP10, 442, 443, 445, 446, 446, 685, , 689
ESP10, 441, 442, 444, 444, 445, 688, , 692
ESP10, 438, 440, 441, 442, 443, 690, , 694
ESP10, 436, 438, 439, 440, 440, 692, , 696
ESP10, 437, 438, 439, 440, 441, 694, , 698
ESP10, 436, 438, 439, 440, 440, 697, , 701
ESP10, 437, 438, 439, 440, 441, 699, , 703
ESP10, 435, 436, 437, 438, 438, 701, , 705
ESP10, 434, 436, 437, 438, 438, 704, , 708
ESP10, 434, 435, 437, 437, 438, 706, , 710
ESP10, 434, 436, 437, 438, 438, 708, , 712
ESP10, 434, 436, 437, 438, 438, 710, , 714
ESP10, 433, 435, 436, 437, 438, 713, , 717
ESP10, 433, 435, 436, 437, 437, 715, , 719
ESP10, 433, 435, 436, 437, 437, 717, , 721
ESP10, 433, 435, 436, 437, 437, 720, , 724
ESP10, 433, 435, 436, 437, 437, 722, , 726
ESP10, 433, 435, 436, 437, 437, 724, , 728
ESP10, 433, 435, 436, 437, 437, 727, , 731
ESP10, 432, 434, 435, 436, 436, 729, , 733
ESP10, 434, 436, 437, 437, 438, 731, , 735
ESP10, 433, 435, 436, 437, 437, 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|2026-07-18
SNAI1N_SQIN.ESPF10.csv|2026-07-18
SNAI1N_SQIN.ESPFM.csv|2026-07-18
APR-SEP
SNAKE - AT BLACKFOOT
(
SNAI1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-18
Issued:
2026-07-18
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3665
5133
87
8463
5894
APR-JUL
3080
4360
86
7046
5043
JAN-SEP
4408
5888
86
9317
6839
JAN-JUL
3824
5115
85
7900
5988
OCT-SEP
5172
6831
87
10187
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|2026-07-18
SNAI1N_SQIN.ESPF10.csv|2026-07-18
SNAI1N_SQIN.ESPFM.csv|2026-07-18
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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