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Water Year
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SF BOISE - ANDERSON RANCH DAM
(
ARAI1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
305
307
62
310
498
APR-JUL
275
275
59
275
465
JAN-SEP
416
418
71
421
589
JAN-JUL
386
386
69
386
556
OCT-SEP
492
493
76
496
647
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
APR-SEP
304
306
61
310
498
APR-JUL
274
275
59
275
465
JAN-SEP
415
417
71
421
589
JAN-JUL
385
386
69
386
556
OCT-SEP
490
492
76
496
647
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
APR-SEP
304
306
61
310
498
APR-JUL
274
275
59
275
465
JAN-SEP
415
417
71
421
589
JAN-JUL
385
386
69
386
556
OCT-SEP
490
493
76
496
647
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 181, 260, 373, 414, 474, 70, , 74
ESP10, 180, 258, 371, 412, 473, 73, , 77
ESP10, 179, 257, 370, 412, 473, 75, , 79
ESP10, 184, 260, 373, 414, 475, 77, , 81
ESP10, 185, 259, 372, 413, 475, 80, , 84
ESP10, 183, 255, 368, 410, 473, 82, , 86
ESP10, 183, 253, 366, 408, 471, 84, , 88
ESP10, 187, 256, 369, 411, 474, 87, , 91
ESP10, 186, 256, 369, 410, 473, 89, , 93
ESP10, 178, 247, 361, 404, 467, 91, , 95
ESP10, 175, 247, 359, 401, 465, 94, , 98
ESP10, 181, 258, 365, 406, 470, 96, , 100
ESP10, 178, 261, 362, 404, 468, 98, , 102
ESP10, 175, 259, 359, 401, 466, 100, , 104
ESP10, 167, 251, 351, 395, 461, 103, , 107
ESP10, 156, 234, 336, 382, 446, 105, , 109
ESP10, 147, 224, 329, 375, 437, 107, , 111
ESP10, 153, 228, 335, 382, 440, 110, , 114
ESP10, 158, 228, 335, 382, 440, 112, , 116
ESP10, 165, 239, 340, 387, 445, 114, , 118
ESP10, 157, 235, 332, 380, 437, 117, , 121
ESP10, 166, 245, 339, 386, 443, 119, , 123
ESP10, 165, 245, 339, 386, 442, 121, , 125
ESP10, 175, 255, 353, 396, 451, 124, , 128
ESP10, 174, 257, 352, 394, 449, 126, , 130
ESP10, 173, 256, 350, 394, 446, 128, , 132
ESP10, 182, 261, 351, 396, 446, 131, , 135
ESP10, 184, 265, 353, 401, 449, 133, , 137
ESP10, 178, 261, 347, 397, 443, 135, , 139
ESP10, 166, 248, 333, 388, 431, 138, , 142
ESP10, 164, 251, 332, 391, 434, 140, , 144
ESP10, 159, 250, 326, 390, 431, 142, , 146
ESP10, 170, 262, 333, 397, 445, 145, , 149
ESP10, 175, 263, 334, 407, 456, 147, , 151
ESP10, 175, 263, 334, 409, 457, 149, , 153
ESP10, 176, 261, 334, 407, 458, 151, , 155
ESP10, 172, 256, 333, 405, 459, 154, , 158
ESP10, 165, 247, 325, 397, 453, 156, , 160
ESP10, 171, 247, 325, 397, 454, 158, , 162
ESP10, 178, 250, 333, 402, 457, 161, , 165
ESP10, 195, 266, 346, 413, 469, 163, , 167
ESP10, 215, 285, 357, 425, 477, 165, , 169
ESP10, 213, 289, 361, 424, 474, 168, , 172
ESP10, 220, 293, 368, 427, 478, 170, , 174
ESP10, 225, 300, 373, 432, 481, 172, , 176
ESP10, 228, 302, 379, 433, 484, 175, , 179
ESP10, 230, 306, 383, 435, 488, 177, , 181
ESP10, 235, 309, 385, 436, 491, 179, , 183
ESP10, 235, 305, 383, 434, 490, 182, , 186
ESP10, 235, 305, 378, 431, 488, 184, , 188
ESP10, 235, 309, 377, 429, 488, 186, , 190
ESP10, 231, 305, 373, 426, 483, 189, , 193
ESP10, 241, 311, 384, 433, 492, 191, , 195
ESP10, 243, 313, 387, 435, 494, 193, , 197
ESP10, 244, 319, 386, 435, 495, 196, , 200
ESP10, 249, 318, 386, 438, 494, 198, , 202
ESP10, 244, 310, 384, 434, 489, 200, , 204
ESP10, 244, 311, 385, 433, 489, 202, , 206
ESP10, 251, 320, 391, 440, 493, 205, , 209
ESP10, 236, 306, 379, 426, 482, 207, , 211
ESP10, 232, 306, 377, 425, 477, 209, , 213
ESP10, 239, 315, 386, 430, 480, 212, , 216
ESP10, 230, 306, 376, 423, 476, 214, , 218
ESP10, 232, 303, 372, 425, 473, 216, , 220
ESP10, 236, 299, 374, 429, 475, 219, , 223
ESP10, 232, 288, 368, 423, 467, 221, , 225
ESP10, 226, 284, 362, 420, 466, 223, , 227
ESP10, 248, 307, 380, 437, 482, 226, , 230
ESP10, 251, 304, 377, 434, 478, 228, , 232
ESP10, 252, 294, 371, 429, 471, 230, , 234
ESP10, 251, 292, 364, 421, 468, 233, , 237
ESP10, 241, 280, 351, 412, 462, 235, , 239
ESP10, 227, 265, 338, 403, 455, 237, , 241
ESP10, 225, 267, 337, 408, 454, 240, , 244
ESP10, 232, 273, 343, 413, 464, 242, , 246
ESP10, 227, 260, 332, 403, 458, 244, , 248
ESP10, 222, 254, 324, 397, 451, 247, , 251
ESP10, 231, 271, 334, 405, 459, 249, , 253
ESP10, 229, 281, 333, 404, 457, 251, , 255
ESP10, 236, 289, 336, 405, 459, 253, , 257
ESP10, 239, 290, 334, 402, 453, 256, , 260
ESP10, 243, 288, 345, 405, 454, 258, , 262
ESP10, 242, 285, 342, 406, 450, 260, , 264
ESP10, 243, 283, 341, 405, 448, 263, , 267
ESP10, 236, 275, 335, 399, 442, 265, , 269
ESP10, 239, 273, 336, 397, 444, 267, , 271
ESP10, 244, 273, 336, 395, 448, 270, , 274
ESP10, 251, 278, 343, 400, 455, 272, , 276
ESP10, 245, 271, 338, 395, 450, 274, , 278
ESP10, 246, 274, 341, 394, 451, 277, , 281
ESP10, 244, 273, 338, 390, 448, 279, , 283
ESP10, 257, 272, 341, 389, 448, 281, , 285
ESP10, 252, 264, 333, 382, 443, 284, , 288
ESP10, 251, 270, 333, 381, 443, 286, , 290
ESP10, 248, 273, 333, 378, 440, 288, , 292
ESP10, 243, 278, 328, 376, 437, 291, , 295
ESP10, 243, 283, 328, 378, 437, 293, , 297
ESP10, 247, 286, 331, 381, 438, 295, , 299
ESP10, 253, 292, 339, 389, 440, 298, , 302
ESP10, 260, 292, 342, 390, 439, 300, , 304
ESP10, 264, 311, 342, 397, 440, 302, , 306
ESP10, 270, 315, 341, 397, 440, 304, , 308
ESP10, 272, 315, 341, 400, 439, 307, , 311
ESP10, 273, 315, 343, 400, 438, 309, , 313
ESP10, 281, 319, 349, 403, 441, 311, , 315
ESP10, 281, 320, 348, 405, 442, 314, , 318
ESP10, 278, 316, 345, 404, 439, 316, , 320
ESP10, 285, 324, 352, 410, 444, 318, , 322
ESP10, 285, 324, 353, 410, 444, 321, , 325
ESP10, 287, 325, 357, 413, 449, 323, , 327
ESP10, 285, 326, 357, 412, 448, 325, , 329
ESP10, 289, 328, 363, 414, 450, 328, , 332
ESP10, 291, 333, 366, 416, 451, 330, , 334
ESP10, 291, 333, 367, 417, 451, 332, , 336
ESP10, 291, 338, 368, 418, 451, 335, , 339
ESP10, 296, 340, 368, 419, 451, 337, , 341
ESP10, 297, 340, 370, 421, 451, 339, , 343
ESP10, 297, 341, 370, 423, 451, 342, , 346
ESP10, 297, 343, 373, 424, 451, 344, , 348
ESP10, 298, 344, 376, 427, 452, 346, , 350
ESP10, 299, 344, 382, 431, 452, 349, , 353
ESP10, 298, 344, 379, 428, 449, 351, , 355
ESP10, 300, 345, 379, 430, 451, 353, , 357
ESP10, 295, 339, 376, 425, 446, 355, , 359
ESP10, 298, 339, 375, 422, 446, 358, , 362
ESP10, 309, 345, 378, 425, 449, 360, , 364
ESP10, 312, 348, 382, 425, 449, 362, , 366
ESP10, 309, 342, 377, 420, 446, 365, , 369
ESP10, 307, 338, 383, 416, 444, 367, , 371
ESP10, 311, 338, 380, 417, 445, 369, , 373
ESP10, 317, 343, 388, 421, 446, 372, , 376
ESP10, 321, 349, 389, 421, 445, 374, , 378
ESP10, 325, 354, 394, 426, 450, 376, , 380
ESP10, 328, 360, 396, 431, 454, 379, , 383
ESP10, 331, 363, 399, 434, 458, 381, , 385
ESP10, 328, 364, 396, 434, 458, 383, , 387
ESP10, 318, 357, 387, 427, 456, 386, , 390
ESP10, 320, 357, 387, 426, 456, 388, , 392
ESP10, 314, 342, 375, 415, 445, 390, , 394
ESP10, 332, 358, 390, 429, 460, 393, , 397
ESP10, 334, 358, 390, 429, 459, 395, , 399
ESP10, 341, 358, 395, 429, 459, 397, , 401
ESP10, 351, 369, 403, 439, 466, 400, , 404
ESP10, 347, 368, 400, 436, 462, 402, , 406
ESP10, 346, 369, 407, 435, 463, 404, , 408
ESP10, 343, 367, 408, 438, 461, 406, , 410
ESP10, 351, 375, 416, 446, 469, 409, , 413
ESP10, 345, 369, 412, 441, 463, 411, , 415
ESP10, 340, 365, 411, 438, 457, 413, , 417
ESP10, 338, 364, 410, 440, 456, 416, , 420
ESP10, 346, 372, 416, 448, 460, 418, , 422
ESP10, 349, 377, 417, 449, 461, 420, , 424
ESP10, 350, 377, 417, 449, 461, 423, , 427
ESP10, 353, 376, 411, 447, 455, 425, , 429
ESP10, 359, 380, 413, 448, 457, 427, , 431
ESP10, 361, 382, 413, 446, 456, 430, , 434
ESP10, 363, 383, 413, 446, 456, 432, , 436
ESP10, 364, 381, 418, 446, 458, 434, , 438
ESP10, 368, 386, 419, 449, 462, 437, , 441
ESP10, 378, 395, 426, 457, 469, 439, , 443
ESP10, 381, 396, 426, 455, 472, 441, , 445
ESP10, 372, 386, 416, 446, 462, 444, , 448
ESP10, 385, 401, 432, 461, 477, 446, , 450
ESP10, 387, 406, 432, 463, 478, 448, , 452
ESP10, 389, 405, 430, 462, 476, 451, , 455
ESP10, 392, 409, 437, 461, 475, 453, , 457
ESP10, 389, 406, 436, 460, 471, 455, , 459
ESP10, 396, 411, 442, 466, 475, 457, , 461
ESP10, 410, 421, 456, 475, 483, 460, , 464
ESP10, 415, 424, 456, 479, 485, 462, , 466
ESP10, 417, 427, 458, 479, 486, 464, , 468
ESP10, 416, 429, 457, 478, 485, 467, , 471
ESP10, 415, 432, 456, 477, 483, 469, , 473
ESP10, 402, 421, 445, 463, 470, 471, , 475
ESP10, 398, 418, 443, 461, 468, 474, , 478
ESP10, 400, 422, 445, 461, 470, 476, , 480
ESP10, 395, 417, 443, 456, 468, 478, , 482
ESP10, 401, 418, 445, 457, 470, 481, , 485
ESP10, 406, 421, 451, 459, 474, 483, , 487
ESP10, 405, 425, 450, 459, 472, 485, , 489
ESP10, 404, 426, 449, 462, 471, 488, , 492
ESP10, 413, 435, 459, 469, 479, 490, , 494
ESP10, 412, 431, 454, 468, 475, 492, , 496
ESP10, 422, 441, 464, 478, 485, 495, , 499
ESP10, 418, 440, 461, 476, 483, 497, , 501
ESP10, 416, 441, 461, 475, 483, 499, , 503
ESP10, 415, 441, 459, 473, 482, 502, , 506
ESP10, 422, 448, 466, 478, 484, 504, , 508
ESP10, 410, 434, 452, 465, 475, 506, , 510
ESP10, 436, 458, 474, 487, 494, 508, , 512
ESP10, 436, 458, 473, 486, 493, 511, , 515
ESP10, 426, 453, 467, 479, 484, 513, , 517
ESP10, 425, 453, 466, 478, 486, 515, , 519
ESP10, 418, 443, 457, 469, 477, 518, , 522
ESP10, 425, 450, 463, 473, 481, 520, , 524
ESP10, 426, 453, 463, 474, 482, 522, , 526
ESP10, 425, 453, 465, 473, 482, 525, , 529
ESP10, 432, 460, 471, 478, 487, 527, , 531
ESP10, 431, 457, 468, 476, 485, 529, , 533
ESP10, 429, 456, 467, 475, 483, 532, , 536
ESP10, 430, 454, 464, 472, 480, 534, , 538
ESP10, 431, 455, 467, 473, 481, 536, , 540
ESP10, 444, 460, 473, 478, 485, 539, , 543
ESP10, 451, 466, 478, 483, 491, 541, , 545
ESP10, 451, 467, 478, 484, 491, 543, , 547
ESP10, 452, 469, 480, 487, 493, 546, , 550
ESP10, 450, 469, 479, 487, 491, 548, , 552
ESP10, 448, 468, 476, 485, 488, 550, , 554
ESP10, 454, 472, 480, 488, 490, 553, , 557
ESP10, 455, 472, 479, 487, 490, 555, , 559
ESP10, 453, 471, 478, 486, 489, 557, , 561
ESP10, 455, 473, 481, 488, 492, 559, , 563
ESP10, 454, 472, 481, 488, 491, 562, , 566
ESP10, 454, 472, 482, 489, 492, 564, , 568
ESP10, 456, 473, 482, 490, 492, 566, , 570
ESP10, 457, 473, 481, 488, 490, 569, , 573
ESP10, 458, 472, 480, 486, 490, 571, , 575
ESP10, 441, 457, 465, 472, 475, 573, , 577
ESP10, 441, 458, 465, 470, 472, 576, , 580
ESP10, 429, 446, 454, 460, 464, 578, , 582
ESP10, 433, 451, 458, 465, 467, 580, , 584
ESP10, 435, 450, 457, 464, 466, 583, , 587
ESP10, 441, 454, 460, 467, 469, 585, , 589
ESP10, 443, 455, 461, 467, 469, 587, , 591
ESP10, 444, 455, 461, 467, 469, 590, , 594
ESP10, 443, 454, 460, 465, 467, 592, , 596
ESP10, 444, 456, 462, 465, 466, 594, , 598
ESP10, 443, 456, 461, 464, 465, 597, , 601
ESP10, 443, 456, 462, 463, 465, 599, , 603
ESP10, 444, 456, 462, 464, 465, 601, , 605
ESP10, 442, 456, 462, 463, 465, 604, , 608
ESP10, 444, 458, 462, 464, 465, 606, , 610
ESP10, 446, 458, 463, 464, 465, 608, , 612
ESP10, 448, 456, 462, 463, 464, 610, , 614
ESP10, 446, 455, 460, 462, 462, 613, , 617
ESP10, 450, 458, 461, 462, 463, 615, , 619
ESP10, 451, 456, 458, 459, 460, 617, , 621
ESP10, 448, 452, 453, 454, 455, 620, , 624
ESP10, 449, 451, 452, 453, 454, 622, , 626
ESP10, 449, 450, 451, 452, 453, 624, , 628
ESP10, 449, 450, 451, 452, 453, 627, , 631
ESP10, 446, 448, 448, 450, 450, 629, , 633
ESP10, 446, 447, 448, 449, 450, 631, , 635
ESP10, 446, 447, 448, 449, 450, 634, , 638
ESP10, 446, 446, 448, 449, 449, 636, , 640
ESP10, 446, 446, 447, 448, 449, 638, , 642
ESP10, 444, 444, 446, 447, 447, 641, , 645
ESP10, 444, 444, 446, 447, 447, 643, , 647
ESP10, 444, 444, 446, 447, 447, 645, , 649
ESP10, 444, 444, 446, 446, 447, 648, , 652
ESP10, 444, 445, 446, 447, 448, 650, , 654
ESP10, 442, 443, 444, 445, 446, 652, , 656
ESP10, 442, 443, 444, 445, 446, 655, , 659
ESP10, 441, 442, 443, 444, 444, 657, , 661
ESP10, 442, 442, 444, 444, 445, 659, , 663
ESP10, 441, 442, 443, 444, 445, 661, , 665
ESP10, 441, 442, 443, 444, 445, 664, , 668
ESP10, 441, 442, 443, 444, 444, 666, , 670
ESP10, 441, 442, 443, 444, 444, 668, , 672
ESP10, 441, 441, 443, 443, 444, 671, , 675
ESP10, 441, 441, 443, 443, 444, 673, , 677
ESP10, 432, 433, 434, 435, 435, 675, , 679
ESP10, 432, 433, 434, 434, 435, 678, , 682
ESP10, 432, 433, 434, 434, 435, 680, , 684
ESP10, 431, 432, 433, 434, 435, 682, , 686
ESP10, 431, 432, 433, 434, 434, 685, , 689
ESP10, 431, 432, 433, 433, 434, 687, , 691
ESP10, 430, 431, 432, 433, 433, 689, , 693
ESP10, 430, 431, 432, 433, 433, 692, , 696
ESP10, 430, 431, 432, 433, 433, 694, , 698
ESP10, 429, 430, 431, 431, 432, 696, , 700
ESP10, 429, 430, 431, 431, 432, 699, , 703
ESP10, 428, 429, 430, 430, 431, 701, , 705
ESP10, 428, 429, 430, 430, 431, 703, , 707
ESP10, 428, 429, 430, 430, 431, 706, , 710
ESP10, 428, 429, 430, 430, 431, 708, , 712
ESP10, 428, 429, 430, 430, 431, 710, , 714
ESP10, 428, 429, 430, 430, 431, 712, , 716
ESP10, 428, 429, 430, 430, 431, 715, , 719
ESP10, 428, 429, 430, 430, 431, 717, , 721
ESP10, 428, 429, 430, 430, 430, 719, , 723
ESP10, 428, 429, 429, 430, 430, 722, , 726
ESP10, 426, 427, 427, 428, 428, 724, , 728
ESP10, 426, 427, 428, 428, 429, 726, , 730
ESP10, 426, 427, 427, 428, 428, 729, , 733
ESP10, 426, 427, 428, 428, 428, 731, , 735
ESP10, 425, 426, 427, 428, 428, 733, , 737
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/ARAI1N_SQIN.ESPF10.csv
ARAI1N_SQIN.ESPF0.csv|2026-07-15
ARAI1N_SQIN.ESPF10.csv|2026-07-15
ARAI1N_SQIN.ESPFM.csv|2026-07-15
APR-SEP
SF BOISE - ANDERSON RANCH DAM
(
ARAI1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
218
436
88
803
498
APR-JUL
198
406
87
755
465
JAN-SEP
291
516
88
954
589
JAN-JUL
273
488
88
909
556
OCT-SEP
345
579
89
1026
647
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/ARAI1N_SQIN.ESPF10.csv
ARAI1N_SQIN.ESPF0.csv|2026-07-15
ARAI1N_SQIN.ESPF10.csv|2026-07-15
ARAI1N_SQIN.ESPFM.csv|2026-07-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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