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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:
2026-04-29
Issued:
2026-04-29
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
184
205
41
252
498
APR-JUL
164
184
40
229
465
JAN-SEP
295
316
54
363
589
JAN-JUL
275
295
53
340
556
OCT-SEP
370
391
60
438
647
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
187
213
43
266
498
APR-JUL
167
192
41
244
465
JAN-SEP
298
324
55
377
589
JAN-JUL
278
303
54
355
556
OCT-SEP
373
399
62
453
647
Reference
ESP with 0 Days QPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
181
212
42
286
498
APR-JUL
161
194
42
262
465
JAN-SEP
292
323
55
397
589
JAN-JUL
272
305
55
373
556
OCT-SEP
367
398
61
472
647
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 181, 260, 373, 414, 474, 71, , 75
ESP10, 180, 258, 371, 412, 473, 74, , 78
ESP10, 179, 257, 370, 412, 473, 77, , 81
ESP10, 184, 260, 373, 414, 475, 81, , 85
ESP10, 185, 259, 372, 413, 475, 84, , 88
ESP10, 183, 255, 368, 410, 473, 87, , 91
ESP10, 183, 253, 366, 408, 471, 90, , 94
ESP10, 187, 256, 369, 411, 474, 93, , 97
ESP10, 186, 256, 369, 410, 473, 96, , 100
ESP10, 178, 247, 361, 404, 467, 100, , 104
ESP10, 175, 247, 359, 401, 465, 103, , 107
ESP10, 181, 258, 365, 406, 470, 106, , 110
ESP10, 178, 261, 362, 404, 468, 109, , 113
ESP10, 175, 259, 359, 401, 466, 112, , 116
ESP10, 167, 251, 351, 395, 461, 115, , 119
ESP10, 156, 234, 336, 382, 446, 119, , 123
ESP10, 147, 224, 329, 375, 437, 122, , 126
ESP10, 153, 228, 335, 382, 440, 125, , 129
ESP10, 158, 228, 335, 382, 440, 128, , 132
ESP10, 165, 239, 340, 387, 445, 131, , 135
ESP10, 157, 235, 332, 380, 437, 134, , 138
ESP10, 166, 245, 339, 386, 443, 138, , 142
ESP10, 165, 245, 339, 386, 442, 141, , 145
ESP10, 175, 255, 353, 396, 451, 144, , 148
ESP10, 174, 257, 352, 394, 449, 147, , 151
ESP10, 173, 256, 350, 394, 446, 150, , 154
ESP10, 182, 261, 351, 396, 446, 153, , 157
ESP10, 184, 265, 353, 401, 449, 156, , 160
ESP10, 178, 261, 347, 397, 443, 160, , 164
ESP10, 166, 248, 333, 388, 431, 163, , 167
ESP10, 164, 251, 332, 391, 434, 166, , 170
ESP10, 159, 250, 326, 390, 431, 169, , 173
ESP10, 170, 262, 333, 397, 445, 172, , 176
ESP10, 175, 263, 334, 407, 456, 175, , 179
ESP10, 175, 263, 334, 409, 457, 179, , 183
ESP10, 176, 261, 334, 407, 458, 182, , 186
ESP10, 172, 256, 333, 405, 459, 185, , 189
ESP10, 165, 247, 325, 397, 453, 188, , 192
ESP10, 171, 247, 325, 397, 454, 191, , 195
ESP10, 178, 250, 333, 402, 457, 194, , 198
ESP10, 195, 266, 346, 413, 469, 198, , 202
ESP10, 215, 285, 357, 425, 477, 201, , 205
ESP10, 213, 289, 361, 424, 474, 204, , 208
ESP10, 220, 293, 368, 427, 478, 207, , 211
ESP10, 225, 300, 373, 432, 481, 210, , 214
ESP10, 228, 302, 379, 433, 484, 213, , 217
ESP10, 230, 306, 383, 435, 488, 217, , 221
ESP10, 235, 309, 385, 436, 491, 220, , 224
ESP10, 235, 305, 383, 434, 490, 223, , 227
ESP10, 235, 305, 378, 431, 488, 226, , 230
ESP10, 235, 309, 377, 429, 488, 229, , 233
ESP10, 231, 305, 373, 426, 483, 232, , 236
ESP10, 241, 311, 384, 433, 492, 236, , 240
ESP10, 243, 313, 387, 435, 494, 239, , 243
ESP10, 244, 319, 386, 435, 495, 242, , 246
ESP10, 249, 318, 386, 438, 494, 245, , 249
ESP10, 244, 310, 384, 434, 489, 248, , 252
ESP10, 244, 311, 385, 433, 489, 251, , 255
ESP10, 251, 320, 391, 440, 493, 254, , 258
ESP10, 236, 306, 379, 426, 482, 258, , 262
ESP10, 232, 306, 377, 425, 477, 261, , 265
ESP10, 239, 315, 386, 430, 480, 264, , 268
ESP10, 230, 306, 376, 423, 476, 267, , 271
ESP10, 232, 303, 372, 425, 473, 270, , 274
ESP10, 236, 299, 374, 429, 475, 273, , 277
ESP10, 232, 288, 368, 423, 467, 277, , 281
ESP10, 226, 284, 362, 420, 466, 280, , 284
ESP10, 248, 307, 380, 437, 482, 283, , 287
ESP10, 251, 304, 377, 434, 478, 286, , 290
ESP10, 252, 294, 371, 429, 471, 289, , 293
ESP10, 251, 292, 364, 421, 468, 292, , 296
ESP10, 241, 280, 351, 412, 462, 296, , 300
ESP10, 227, 265, 338, 403, 455, 299, , 303
ESP10, 225, 267, 337, 408, 454, 302, , 306
ESP10, 232, 273, 343, 413, 464, 305, , 309
ESP10, 227, 260, 332, 403, 458, 308, , 312
ESP10, 222, 254, 324, 397, 451, 311, , 315
ESP10, 231, 271, 334, 405, 459, 315, , 319
ESP10, 229, 281, 333, 404, 457, 318, , 322
ESP10, 236, 289, 336, 405, 459, 321, , 325
ESP10, 239, 290, 334, 402, 453, 324, , 328
ESP10, 243, 288, 345, 405, 454, 327, , 331
ESP10, 242, 285, 342, 406, 450, 330, , 334
ESP10, 243, 283, 341, 405, 448, 333, , 337
ESP10, 236, 275, 335, 399, 442, 337, , 341
ESP10, 239, 273, 336, 397, 444, 340, , 344
ESP10, 244, 273, 336, 395, 448, 343, , 347
ESP10, 251, 278, 343, 400, 455, 346, , 350
ESP10, 245, 271, 338, 395, 450, 349, , 353
ESP10, 246, 274, 341, 394, 451, 352, , 356
ESP10, 244, 273, 338, 390, 448, 356, , 360
ESP10, 257, 272, 341, 389, 448, 359, , 363
ESP10, 252, 264, 333, 382, 443, 362, , 366
ESP10, 251, 270, 333, 381, 443, 365, , 369
ESP10, 248, 273, 333, 378, 440, 368, , 372
ESP10, 243, 278, 328, 376, 437, 371, , 375
ESP10, 243, 283, 328, 378, 437, 375, , 379
ESP10, 247, 286, 331, 381, 438, 378, , 382
ESP10, 253, 292, 339, 389, 440, 381, , 385
ESP10, 260, 292, 342, 390, 439, 384, , 388
ESP10, 264, 311, 342, 397, 440, 387, , 391
ESP10, 270, 315, 341, 397, 440, 390, , 394
ESP10, 272, 315, 341, 400, 439, 394, , 398
ESP10, 273, 315, 343, 400, 438, 397, , 401
ESP10, 281, 319, 349, 403, 441, 400, , 404
ESP10, 281, 320, 348, 405, 442, 403, , 407
ESP10, 278, 316, 345, 404, 439, 406, , 410
ESP10, 285, 324, 352, 410, 444, 409, , 413
ESP10, 285, 324, 353, 410, 444, 412, , 416
ESP10, 287, 325, 357, 413, 449, 416, , 420
ESP10, 285, 326, 357, 412, 448, 419, , 423
ESP10, 289, 328, 363, 414, 450, 422, , 426
ESP10, 291, 333, 366, 416, 451, 425, , 429
ESP10, 291, 333, 367, 417, 451, 428, , 432
ESP10, 291, 338, 368, 418, 451, 431, , 435
ESP10, 296, 340, 368, 419, 451, 435, , 439
ESP10, 297, 340, 370, 421, 451, 438, , 442
ESP10, 297, 341, 370, 423, 451, 441, , 445
ESP10, 297, 343, 373, 424, 451, 444, , 448
ESP10, 298, 344, 376, 427, 452, 447, , 451
ESP10, 299, 344, 382, 431, 452, 450, , 454
ESP10, 298, 344, 379, 428, 449, 454, , 458
ESP10, 300, 345, 379, 430, 451, 457, , 461
ESP10, 295, 339, 376, 425, 446, 460, , 464
ESP10, 298, 339, 375, 422, 446, 463, , 467
ESP10, 309, 345, 378, 425, 449, 466, , 470
ESP10, 312, 348, 382, 425, 449, 469, , 473
ESP10, 309, 342, 377, 420, 446, 473, , 477
ESP10, 307, 338, 383, 416, 444, 476, , 480
ESP10, 311, 338, 380, 417, 445, 479, , 483
ESP10, 317, 343, 388, 421, 446, 482, , 486
ESP10, 321, 349, 389, 421, 445, 485, , 489
ESP10, 325, 354, 394, 426, 450, 488, , 492
ESP10, 328, 360, 396, 431, 454, 491, , 495
ESP10, 331, 363, 399, 434, 458, 495, , 499
ESP10, 328, 364, 396, 434, 458, 498, , 502
ESP10, 318, 357, 387, 427, 456, 501, , 505
ESP10, 320, 357, 387, 426, 456, 504, , 508
ESP10, 314, 342, 375, 415, 445, 507, , 511
ESP10, 332, 358, 390, 429, 460, 510, , 514
ESP10, 334, 358, 390, 429, 459, 514, , 518
ESP10, 341, 358, 395, 429, 459, 517, , 521
ESP10, 351, 369, 403, 439, 466, 520, , 524
ESP10, 347, 368, 400, 436, 462, 523, , 527
ESP10, 346, 369, 407, 435, 463, 526, , 530
ESP10, 343, 367, 408, 438, 461, 529, , 533
ESP10, 351, 375, 416, 446, 469, 533, , 537
ESP10, 345, 369, 412, 441, 463, 536, , 540
ESP10, 340, 365, 411, 438, 457, 539, , 543
ESP10, 338, 364, 410, 440, 456, 542, , 546
ESP10, 346, 372, 416, 448, 460, 545, , 549
ESP10, 349, 377, 417, 449, 461, 548, , 552
ESP10, 350, 377, 417, 449, 461, 552, , 556
ESP10, 353, 376, 411, 447, 455, 555, , 559
ESP10, 359, 380, 413, 448, 457, 558, , 562
ESP10, 361, 382, 413, 446, 456, 561, , 565
ESP10, 363, 383, 413, 446, 456, 564, , 568
ESP10, 364, 381, 418, 446, 458, 567, , 571
ESP10, 368, 386, 419, 449, 462, 571, , 575
ESP10, 378, 395, 426, 457, 469, 574, , 578
ESP10, 381, 396, 426, 455, 472, 577, , 581
ESP10, 372, 386, 416, 446, 462, 580, , 584
ESP10, 385, 401, 432, 461, 477, 583, , 587
ESP10, 387, 406, 432, 463, 478, 586, , 590
ESP10, 389, 405, 430, 462, 476, 589, , 593
ESP10, 392, 409, 437, 461, 475, 593, , 597
ESP10, 389, 406, 436, 460, 471, 596, , 600
ESP10, 396, 411, 442, 466, 475, 599, , 603
ESP10, 410, 421, 456, 475, 483, 602, , 606
ESP10, 415, 424, 456, 479, 485, 605, , 609
ESP10, 417, 427, 458, 479, 486, 608, , 612
ESP10, 416, 429, 457, 478, 485, 612, , 616
ESP10, 415, 432, 456, 477, 483, 615, , 619
ESP10, 402, 421, 445, 463, 470, 618, , 622
ESP10, 398, 418, 443, 461, 468, 621, , 625
ESP10, 400, 422, 445, 461, 470, 624, , 628
ESP10, 395, 417, 443, 456, 468, 627, , 631
ESP10, 401, 418, 445, 457, 470, 631, , 635
ESP10, 406, 421, 451, 459, 474, 634, , 638
ESP10, 405, 425, 450, 459, 472, 637, , 641
ESP10, 404, 426, 449, 462, 471, 640, , 644
ESP10, 413, 435, 459, 469, 479, 643, , 647
ESP10, 412, 431, 454, 468, 475, 646, , 650
ESP10, 422, 441, 464, 478, 485, 650, , 654
ESP10, 418, 440, 461, 476, 483, 653, , 657
ESP10, 416, 441, 461, 475, 483, 656, , 660
ESP10, 415, 441, 459, 473, 482, 659, , 663
ESP10, 422, 448, 466, 478, 484, 662, , 666
ESP10, 410, 434, 452, 465, 475, 665, , 669
ESP10, 436, 458, 474, 487, 494, 668, , 672
ESP10, 436, 458, 473, 486, 493, 672, , 676
ESP10, 426, 453, 467, 479, 484, 675, , 679
ESP10, 425, 453, 466, 478, 486, 678, , 682
ESP10, 418, 443, 457, 469, 477, 681, , 685
ESP10, 425, 450, 463, 473, 481, 684, , 688
ESP10, 426, 453, 463, 474, 482, 687, , 691
ESP10, 425, 453, 465, 473, 482, 691, , 695
ESP10, 432, 460, 471, 478, 487, 694, , 698
ESP10, 431, 457, 468, 476, 485, 697, , 701
ESP10, 429, 456, 467, 475, 483, 700, , 704
ESP10, 430, 454, 464, 472, 480, 703, , 707
ESP10, 431, 455, 467, 473, 481, 706, , 710
ESP10, 444, 460, 473, 478, 485, 710, , 714
ESP10, 451, 466, 478, 483, 491, 713, , 717
ESP10, 451, 467, 478, 484, 491, 716, , 720
ESP10, 452, 469, 480, 487, 493, 719, , 723
ESP10, 450, 469, 479, 487, 491, 722, , 726
ESP10, 448, 468, 476, 485, 488, 725, , 729
ESP10, 454, 472, 480, 488, 490, 729, , 733
ESP10, 455, 472, 479, 487, 490, 732, , 736
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/ARAI1N_SQIN.ESPF10.csv
ARAI1N_SQIN.ESPF0.csv|2026-04-29
ARAI1N_SQIN.ESPF10.csv|2026-04-29
ARAI1N_SQIN.ESPFM.csv|2026-04-29
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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