Choose Date:
Archive:
Water Year
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BOISE - NR TWIN SPRINGS
(
BTSI1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
451
451
69
452
653
APR-JUL
408
408
67
408
605
APR-AUG
431
431
68
432
632
JAN-SEP
616
616
78
617
789
JAN-JUL
573
573
77
573
741
OCT-SEP
729
729
84
730
868
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
APR-SEP
451
451
69
452
653
APR-JUL
408
408
67
408
605
APR-AUG
431
431
68
432
632
JAN-SEP
616
616
78
617
789
JAN-JUL
573
573
77
573
741
OCT-SEP
729
729
84
730
868
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
APR-SEP
451
451
69
452
653
APR-JUL
408
408
67
408
605
APR-AUG
431
431
68
432
632
JAN-SEP
616
616
78
617
789
JAN-JUL
573
573
77
573
741
OCT-SEP
729
729
84
731
868
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 196, 259, 345, 415, 468, 70, , 74
ESP10, 196, 255, 343, 414, 466, 72, , 76
ESP10, 194, 253, 342, 413, 466, 75, , 79
ESP10, 199, 258, 345, 415, 469, 77, , 81
ESP10, 198, 257, 344, 415, 469, 79, , 83
ESP10, 196, 252, 341, 413, 465, 81, , 85
ESP10, 194, 250, 339, 412, 463, 84, , 88
ESP10, 196, 254, 342, 413, 466, 86, , 90
ESP10, 196, 254, 345, 413, 466, 88, , 92
ESP10, 189, 247, 337, 406, 458, 90, , 94
ESP10, 181, 242, 329, 398, 452, 92, , 96
ESP10, 187, 251, 336, 404, 456, 95, , 99
ESP10, 187, 258, 336, 404, 456, 97, , 101
ESP10, 186, 258, 336, 406, 457, 99, , 103
ESP10, 177, 249, 327, 402, 455, 101, , 105
ESP10, 157, 227, 309, 385, 441, 104, , 108
ESP10, 146, 216, 301, 377, 432, 106, , 110
ESP10, 154, 221, 308, 381, 435, 108, , 112
ESP10, 161, 230, 314, 385, 438, 110, , 114
ESP10, 166, 236, 318, 389, 442, 113, , 117
ESP10, 156, 231, 309, 380, 433, 115, , 119
ESP10, 166, 238, 315, 386, 438, 117, , 121
ESP10, 163, 237, 313, 389, 436, 119, , 123
ESP10, 176, 245, 324, 402, 447, 121, , 125
ESP10, 181, 249, 330, 411, 450, 124, , 128
ESP10, 176, 244, 329, 407, 447, 126, , 130
ESP10, 182, 250, 330, 411, 448, 128, , 132
ESP10, 185, 263, 333, 414, 449, 130, , 134
ESP10, 176, 254, 330, 410, 442, 133, , 137
ESP10, 158, 233, 311, 391, 425, 135, , 139
ESP10, 155, 234, 311, 390, 427, 137, , 141
ESP10, 158, 226, 307, 383, 423, 139, , 143
ESP10, 159, 224, 306, 377, 426, 141, , 145
ESP10, 162, 227, 313, 390, 439, 144, , 148
ESP10, 166, 232, 319, 394, 446, 146, , 150
ESP10, 167, 229, 316, 390, 447, 148, , 152
ESP10, 165, 229, 313, 386, 445, 150, , 154
ESP10, 159, 223, 304, 377, 439, 153, , 157
ESP10, 162, 227, 306, 379, 441, 155, , 159
ESP10, 163, 236, 308, 381, 442, 157, , 161
ESP10, 189, 255, 321, 396, 457, 159, , 163
ESP10, 204, 264, 328, 406, 462, 161, , 165
ESP10, 203, 262, 326, 402, 459, 164, , 168
ESP10, 213, 270, 332, 409, 464, 166, , 170
ESP10, 218, 282, 338, 415, 468, 168, , 172
ESP10, 223, 284, 340, 415, 470, 170, , 174
ESP10, 224, 284, 343, 415, 474, 173, , 177
ESP10, 230, 291, 351, 421, 480, 175, , 179
ESP10, 227, 289, 347, 416, 477, 177, , 181
ESP10, 224, 285, 343, 413, 477, 179, , 183
ESP10, 222, 285, 343, 411, 475, 182, , 186
ESP10, 217, 280, 340, 409, 470, 184, , 188
ESP10, 228, 291, 352, 422, 476, 186, , 190
ESP10, 231, 295, 354, 424, 478, 188, , 192
ESP10, 242, 296, 355, 425, 479, 190, , 194
ESP10, 244, 294, 353, 424, 478, 193, , 197
ESP10, 238, 285, 347, 427, 469, 195, , 199
ESP10, 241, 288, 354, 434, 467, 197, , 201
ESP10, 250, 300, 361, 441, 473, 199, , 203
ESP10, 238, 280, 346, 425, 458, 202, , 206
ESP10, 231, 269, 335, 417, 449, 204, , 208
ESP10, 243, 281, 349, 427, 461, 206, , 210
ESP10, 235, 273, 344, 419, 460, 208, , 212
ESP10, 223, 266, 340, 415, 456, 210, , 214
ESP10, 232, 268, 343, 418, 462, 213, , 217
ESP10, 221, 256, 336, 407, 454, 215, , 219
ESP10, 219, 253, 331, 404, 451, 217, , 221
ESP10, 235, 267, 344, 416, 462, 219, , 223
ESP10, 238, 268, 344, 414, 462, 222, , 226
ESP10, 245, 268, 343, 418, 461, 224, , 228
ESP10, 233, 260, 334, 405, 451, 226, , 230
ESP10, 222, 252, 323, 394, 442, 228, , 232
ESP10, 201, 236, 304, 379, 432, 230, , 234
ESP10, 207, 249, 314, 395, 438, 233, , 237
ESP10, 213, 255, 317, 397, 444, 235, , 239
ESP10, 208, 250, 312, 389, 438, 237, , 241
ESP10, 206, 243, 305, 385, 434, 239, , 243
ESP10, 217, 263, 312, 391, 441, 242, , 246
ESP10, 225, 267, 314, 392, 440, 244, , 248
ESP10, 230, 268, 325, 393, 441, 246, , 250
ESP10, 226, 264, 326, 388, 438, 248, , 252
ESP10, 223, 265, 329, 393, 436, 251, , 255
ESP10, 242, 282, 342, 407, 447, 253, , 257
ESP10, 242, 278, 338, 406, 444, 255, , 259
ESP10, 233, 270, 337, 402, 439, 257, , 261
ESP10, 238, 273, 340, 403, 444, 259, , 263
ESP10, 246, 275, 343, 405, 450, 262, , 266
ESP10, 251, 286, 347, 414, 454, 264, , 268
ESP10, 248, 281, 344, 412, 449, 266, , 270
ESP10, 258, 287, 348, 413, 450, 268, , 272
ESP10, 258, 289, 348, 411, 448, 271, , 275
ESP10, 255, 289, 349, 407, 445, 273, , 277
ESP10, 256, 284, 340, 399, 437, 275, , 279
ESP10, 254, 281, 332, 393, 438, 277, , 281
ESP10, 248, 280, 328, 389, 433, 279, , 283
ESP10, 245, 279, 328, 386, 430, 282, , 286
ESP10, 247, 283, 329, 387, 431, 284, , 288
ESP10, 256, 296, 331, 390, 435, 286, , 290
ESP10, 262, 308, 335, 393, 437, 288, , 292
ESP10, 265, 309, 336, 393, 437, 291, , 295
ESP10, 273, 312, 338, 397, 438, 293, , 297
ESP10, 274, 311, 339, 397, 439, 295, , 299
ESP10, 275, 320, 342, 404, 439, 297, , 301
ESP10, 276, 319, 342, 403, 438, 299, , 303
ESP10, 280, 323, 349, 406, 439, 302, , 306
ESP10, 279, 322, 349, 407, 438, 304, , 308
ESP10, 272, 317, 348, 403, 432, 306, , 310
ESP10, 278, 325, 355, 408, 438, 308, , 312
ESP10, 278, 328, 357, 411, 438, 311, , 315
ESP10, 280, 330, 360, 417, 442, 313, , 317
ESP10, 288, 328, 358, 417, 440, 315, , 319
ESP10, 290, 331, 364, 419, 442, 317, , 321
ESP10, 292, 332, 366, 420, 444, 320, , 324
ESP10, 294, 333, 369, 422, 446, 322, , 326
ESP10, 292, 332, 367, 419, 446, 324, , 328
ESP10, 294, 332, 368, 419, 447, 326, , 330
ESP10, 299, 334, 370, 421, 447, 328, , 332
ESP10, 304, 334, 372, 422, 447, 331, , 335
ESP10, 309, 336, 375, 426, 448, 333, , 337
ESP10, 312, 336, 374, 432, 447, 335, , 339
ESP10, 313, 346, 375, 435, 448, 337, , 341
ESP10, 313, 343, 371, 434, 445, 340, , 344
ESP10, 315, 345, 372, 436, 446, 342, , 346
ESP10, 309, 340, 367, 431, 441, 344, , 348
ESP10, 311, 343, 370, 431, 442, 346, , 350
ESP10, 323, 351, 386, 438, 453, 348, , 352
ESP10, 323, 353, 396, 438, 454, 351, , 355
ESP10, 328, 352, 396, 437, 454, 353, , 357
ESP10, 327, 352, 401, 435, 453, 355, , 359
ESP10, 325, 356, 400, 433, 452, 357, , 361
ESP10, 315, 346, 390, 422, 442, 360, , 364
ESP10, 320, 347, 393, 423, 446, 362, , 366
ESP10, 300, 329, 378, 410, 435, 364, , 368
ESP10, 302, 334, 380, 411, 438, 366, , 370
ESP10, 309, 339, 386, 413, 442, 368, , 372
ESP10, 314, 339, 386, 418, 444, 371, , 375
ESP10, 314, 340, 383, 416, 448, 373, , 377
ESP10, 317, 343, 384, 415, 448, 375, , 379
ESP10, 294, 321, 362, 398, 429, 377, , 381
ESP10, 317, 342, 385, 416, 445, 380, , 384
ESP10, 314, 340, 381, 413, 441, 382, , 386
ESP10, 325, 347, 389, 419, 445, 384, , 388
ESP10, 330, 351, 393, 423, 451, 386, , 390
ESP10, 329, 349, 389, 420, 447, 389, , 393
ESP10, 331, 349, 392, 422, 448, 391, , 395
ESP10, 339, 356, 399, 428, 452, 393, , 397
ESP10, 347, 365, 406, 436, 461, 395, , 399
ESP10, 337, 355, 403, 430, 450, 397, , 401
ESP10, 334, 353, 401, 426, 446, 400, , 404
ESP10, 335, 358, 402, 427, 447, 402, , 406
ESP10, 336, 361, 404, 428, 449, 404, , 408
ESP10, 337, 363, 406, 430, 450, 406, , 410
ESP10, 338, 363, 406, 433, 451, 409, , 413
ESP10, 327, 358, 394, 427, 441, 411, , 415
ESP10, 321, 351, 387, 418, 434, 413, , 417
ESP10, 319, 352, 385, 416, 432, 415, , 419
ESP10, 318, 355, 383, 420, 431, 417, , 421
ESP10, 317, 357, 382, 420, 432, 420, , 424
ESP10, 320, 360, 384, 421, 436, 422, , 426
ESP10, 328, 368, 391, 430, 445, 424, , 428
ESP10, 329, 368, 390, 428, 446, 426, , 430
ESP10, 319, 356, 381, 417, 436, 429, , 433
ESP10, 341, 378, 404, 435, 453, 431, , 435
ESP10, 343, 379, 406, 438, 455, 433, , 437
ESP10, 341, 379, 403, 436, 451, 435, , 439
ESP10, 345, 379, 402, 437, 451, 438, , 442
ESP10, 346, 375, 401, 435, 447, 440, , 444
ESP10, 354, 380, 405, 441, 451, 442, , 446
ESP10, 358, 385, 410, 448, 456, 444, , 448
ESP10, 361, 388, 412, 449, 457, 446, , 450
ESP10, 406, 428, 451, 488, 495, 449, , 453
ESP10, 406, 428, 450, 487, 493, 451, , 455
ESP10, 400, 428, 445, 481, 488, 453, , 457
ESP10, 384, 412, 433, 467, 472, 455, , 459
ESP10, 380, 413, 435, 462, 467, 458, , 462
ESP10, 387, 413, 440, 462, 468, 460, , 464
ESP10, 384, 406, 437, 455, 462, 462, , 466
ESP10, 388, 407, 438, 456, 466, 464, , 468
ESP10, 391, 414, 439, 459, 469, 466, , 470
ESP10, 389, 416, 438, 457, 469, 469, , 473
ESP10, 387, 416, 437, 457, 469, 471, , 475
ESP10, 380, 410, 435, 453, 464, 473, , 477
ESP10, 403, 430, 454, 472, 480, 475, , 479
ESP10, 415, 439, 466, 480, 489, 478, , 482
ESP10, 411, 435, 462, 477, 487, 480, , 484
ESP10, 410, 435, 461, 476, 493, 482, , 486
ESP10, 411, 435, 462, 477, 494, 484, , 488
ESP10, 414, 438, 464, 481, 495, 486, , 490
ESP10, 395, 420, 449, 464, 479, 489, , 493
ESP10, 391, 418, 445, 459, 476, 491, , 495
ESP10, 392, 417, 443, 457, 473, 493, , 497
ESP10, 389, 414, 435, 451, 466, 495, , 499
ESP10, 390, 415, 435, 452, 466, 498, , 502
ESP10, 386, 407, 430, 444, 458, 500, , 504
ESP10, 389, 414, 434, 446, 460, 502, , 506
ESP10, 391, 421, 438, 449, 460, 504, , 508
ESP10, 401, 432, 449, 459, 472, 507, , 511
ESP10, 388, 415, 434, 446, 457, 509, , 513
ESP10, 384, 412, 430, 442, 453, 511, , 515
ESP10, 383, 410, 429, 442, 451, 513, , 517
ESP10, 380, 406, 428, 440, 447, 515, , 519
ESP10, 382, 405, 428, 438, 446, 518, , 522
ESP10, 381, 406, 427, 439, 445, 520, , 524
ESP10, 401, 421, 440, 452, 458, 522, , 526
ESP10, 397, 419, 437, 449, 456, 524, , 528
ESP10, 399, 421, 437, 450, 458, 527, , 531
ESP10, 402, 421, 435, 448, 455, 529, , 533
ESP10, 398, 419, 433, 445, 452, 531, , 535
ESP10, 405, 424, 438, 448, 455, 533, , 537
ESP10, 409, 425, 438, 449, 455, 535, , 539
ESP10, 409, 424, 437, 449, 455, 538, , 542
ESP10, 411, 425, 438, 450, 456, 540, , 544
ESP10, 407, 421, 435, 447, 455, 542, , 546
ESP10, 407, 422, 435, 447, 454, 544, , 548
ESP10, 410, 423, 435, 447, 455, 547, , 551
ESP10, 409, 421, 434, 443, 450, 549, , 553
ESP10, 409, 421, 434, 444, 450, 551, , 555
ESP10, 411, 422, 437, 443, 450, 553, , 557
ESP10, 405, 419, 428, 437, 442, 555, , 559
ESP10, 405, 419, 427, 436, 443, 558, , 562
ESP10, 404, 420, 429, 436, 444, 560, , 564
ESP10, 402, 419, 427, 434, 443, 562, , 566
ESP10, 407, 421, 427, 435, 444, 564, , 568
ESP10, 407, 421, 427, 435, 444, 567, , 571
ESP10, 408, 422, 427, 435, 443, 569, , 573
ESP10, 407, 422, 428, 435, 442, 571, , 575
ESP10, 408, 423, 428, 437, 442, 573, , 577
ESP10, 409, 423, 429, 437, 441, 576, , 580
ESP10, 409, 422, 430, 436, 440, 578, , 582
ESP10, 409, 422, 429, 436, 440, 580, , 584
ESP10, 409, 420, 427, 433, 437, 582, , 586
ESP10, 410, 421, 428, 434, 438, 584, , 588
ESP10, 412, 422, 430, 435, 438, 587, , 591
ESP10, 412, 420, 428, 433, 436, 589, , 593
ESP10, 410, 417, 425, 430, 432, 591, , 595
ESP10, 411, 418, 425, 431, 432, 593, , 597
ESP10, 415, 422, 427, 432, 433, 596, , 600
ESP10, 414, 419, 426, 429, 429, 598, , 602
ESP10, 415, 421, 427, 429, 430, 600, , 604
ESP10, 415, 421, 427, 429, 430, 602, , 606
ESP10, 417, 422, 427, 430, 430, 604, , 608
ESP10, 418, 421, 427, 430, 430, 607, , 611
ESP10, 417, 421, 427, 429, 429, 609, , 613
ESP10, 415, 421, 427, 428, 428, 611, , 615
ESP10, 416, 423, 427, 428, 428, 613, , 617
ESP10, 415, 421, 425, 426, 426, 616, , 620
ESP10, 412, 418, 422, 422, 422, 618, , 622
ESP10, 411, 417, 421, 421, 421, 620, , 624
ESP10, 412, 418, 421, 421, 421, 622, , 626
ESP10, 417, 419, 422, 422, 422, 624, , 628
ESP10, 420, 421, 422, 422, 422, 627, , 631
ESP10, 424, 425, 425, 426, 426, 629, , 633
ESP10, 422, 423, 424, 424, 424, 631, , 635
ESP10, 422, 423, 423, 424, 424, 633, , 637
ESP10, 421, 422, 423, 423, 423, 636, , 640
ESP10, 421, 421, 422, 422, 422, 638, , 642
ESP10, 418, 419, 419, 420, 420, 640, , 644
ESP10, 418, 418, 419, 419, 419, 642, , 646
ESP10, 417, 418, 418, 418, 419, 645, , 649
ESP10, 417, 417, 418, 418, 418, 647, , 651
ESP10, 417, 418, 418, 418, 419, 649, , 653
ESP10, 416, 416, 416, 417, 417, 651, , 655
ESP10, 416, 416, 417, 417, 417, 653, , 657
ESP10, 416, 416, 417, 417, 417, 656, , 660
ESP10, 416, 416, 417, 417, 417, 658, , 662
ESP10, 415, 415, 416, 416, 416, 660, , 664
ESP10, 414, 414, 415, 415, 415, 662, , 666
ESP10, 413, 414, 414, 414, 414, 665, , 669
ESP10, 413, 413, 413, 413, 414, 667, , 671
ESP10, 412, 413, 413, 413, 413, 669, , 673
ESP10, 414, 414, 414, 414, 415, 671, , 675
ESP10, 413, 414, 414, 414, 414, 673, , 677
ESP10, 413, 414, 414, 414, 414, 676, , 680
ESP10, 413, 413, 414, 414, 414, 678, , 682
ESP10, 413, 413, 414, 414, 414, 680, , 684
ESP10, 412, 413, 413, 413, 413, 682, , 686
ESP10, 412, 413, 413, 413, 413, 685, , 689
ESP10, 412, 413, 413, 413, 413, 687, , 691
ESP10, 412, 413, 413, 413, 413, 689, , 693
ESP10, 412, 413, 413, 413, 413, 691, , 695
ESP10, 412, 413, 413, 413, 413, 693, , 697
ESP10, 412, 413, 413, 413, 413, 696, , 700
ESP10, 412, 413, 413, 413, 413, 698, , 702
ESP10, 412, 413, 413, 413, 413, 700, , 704
ESP10, 412, 413, 413, 413, 413, 702, , 706
ESP10, 412, 413, 413, 413, 413, 705, , 709
ESP10, 412, 413, 413, 413, 413, 707, , 711
ESP10, 412, 413, 413, 413, 413, 709, , 713
ESP10, 412, 413, 413, 413, 413, 711, , 715
ESP10, 412, 413, 413, 413, 413, 714, , 718
ESP10, 412, 413, 413, 413, 413, 716, , 720
ESP10, 412, 413, 413, 413, 413, 718, , 722
ESP10, 412, 413, 413, 413, 413, 720, , 724
ESP10, 412, 413, 413, 413, 413, 722, , 726
ESP10, 412, 413, 413, 413, 413, 725, , 729
ESP10, 412, 413, 413, 413, 413, 727, , 731
ESP10, 413, 413, 413, 413, 413, 729, , 733
ESP10, 413, 413, 413, 413, 414, 731, , 735
ESP10, 413, 413, 413, 414, 414, 734, , 738
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/BTSI1N_SQIN.ESPF10.csv
BTSI1N_SQIN.ESPF0.csv|2026-07-27
BTSI1N_SQIN.ESPF10.csv|2026-07-27
BTSI1N_SQIN.ESPFM.csv|2026-07-27
APR-SEP
BOISE - NR TWIN SPRINGS
(
BTSI1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
320
554
85
863
653
APR-JUL
286
508
84
793
605
APR-AUG
304
533
84
833
632
JAN-SEP
413
690
87
1099
789
JAN-JUL
378
642
87
1008
741
OCT-SEP
470
763
88
1192
868
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/BTSI1N_SQIN.ESPF10.csv
BTSI1N_SQIN.ESPF0.csv|2026-07-27
BTSI1N_SQIN.ESPF10.csv|2026-07-27
BTSI1N_SQIN.ESPFM.csv|2026-07-27
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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