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SF BOISE - ANDERSON RANCH DAM
(
ARAI1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-01-02
Issued:
2026-01-02
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
277
493
100
652
495
APR-JUL
253
460
100
610
462
JAN-SEP
406
594
102
813
583
JAN-JUL
385
564
102
771
550
OCT-SEP
481
669
105
888
637
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-01-02
Issued:
2026-01-02
Hide Forecast
APR-SEP
277
494
100
688
495
APR-JUL
254
464
100
645
462
JAN-SEP
431
614
105
847
583
JAN-JUL
403
580
105
804
550
OCT-SEP
506
689
108
922
637
Reference
ESP with 0 Days QPF
Ensemble:
2026-01-02
Issued:
2026-01-02
Hide Forecast
APR-SEP
274
486
98
685
495
APR-JUL
251
455
99
641
462
JAN-SEP
401
611
105
828
583
JAN-JUL
376
578
105
784
550
OCT-SEP
476
686
108
903
637
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 183, 262, 374, 415, 475, 75, , 79
ESP10, 182, 260, 372, 413, 474, 82, , 86
ESP10, 182, 259, 371, 412, 473, 89, , 93
ESP10, 186, 262, 374, 415, 476, 96, , 100
ESP10, 188, 261, 373, 414, 476, 103, , 107
ESP10, 186, 257, 369, 411, 473, 110, , 114
ESP10, 185, 255, 367, 409, 472, 117, , 121
ESP10, 189, 258, 370, 412, 474, 124, , 128
ESP10, 188, 257, 370, 411, 474, 131, , 135
ESP10, 181, 250, 363, 405, 468, 139, , 143
ESP10, 178, 249, 361, 402, 466, 146, , 150
ESP10, 183, 260, 366, 407, 470, 153, , 157
ESP10, 180, 262, 363, 405, 469, 160, , 164
ESP10, 177, 261, 360, 402, 467, 167, , 171
ESP10, 170, 253, 352, 395, 461, 174, , 178
ESP10, 159, 236, 337, 383, 447, 181, , 185
ESP10, 149, 227, 330, 376, 438, 188, , 192
ESP10, 155, 230, 336, 383, 441, 195, , 199
ESP10, 160, 230, 336, 383, 441, 202, , 206
ESP10, 167, 242, 341, 388, 446, 209, , 213
ESP10, 160, 237, 333, 381, 438, 216, , 220
ESP10, 169, 247, 340, 387, 444, 223, , 227
ESP10, 168, 247, 340, 387, 443, 230, , 234
ESP10, 178, 257, 354, 396, 452, 237, , 241
ESP10, 177, 260, 353, 395, 450, 244, , 248
ESP10, 176, 258, 351, 394, 447, 251, , 255
ESP10, 184, 263, 353, 396, 447, 258, , 262
ESP10, 187, 266, 354, 401, 450, 265, , 269
ESP10, 181, 263, 349, 398, 444, 273, , 277
ESP10, 168, 250, 334, 389, 432, 280, , 284
ESP10, 166, 253, 333, 392, 435, 287, , 291
ESP10, 162, 252, 328, 391, 432, 294, , 298
ESP10, 172, 263, 334, 398, 445, 301, , 305
ESP10, 177, 265, 335, 408, 457, 308, , 312
ESP10, 177, 265, 335, 409, 457, 315, , 319
ESP10, 178, 263, 336, 408, 458, 322, , 326
ESP10, 174, 258, 335, 406, 459, 329, , 333
ESP10, 168, 249, 326, 398, 453, 336, , 340
ESP10, 173, 249, 326, 398, 454, 343, , 347
ESP10, 181, 252, 334, 403, 458, 350, , 354
ESP10, 198, 268, 347, 414, 470, 357, , 361
ESP10, 217, 287, 358, 426, 477, 364, , 368
ESP10, 215, 291, 362, 424, 474, 371, , 375
ESP10, 222, 295, 369, 428, 478, 378, , 382
ESP10, 228, 301, 374, 433, 481, 385, , 389
ESP10, 230, 303, 380, 434, 485, 392, , 396
ESP10, 232, 308, 384, 435, 489, 399, , 403
ESP10, 237, 311, 386, 437, 492, 407, , 411
ESP10, 238, 307, 383, 434, 490, 414, , 418
ESP10, 237, 306, 379, 431, 488, 421, , 425
ESP10, 237, 310, 378, 430, 488, 428, , 432
ESP10, 234, 307, 374, 427, 484, 435, , 439
ESP10, 243, 313, 385, 434, 492, 442, , 446
ESP10, 245, 315, 388, 436, 494, 449, , 453
ESP10, 246, 321, 387, 435, 495, 456, , 460
ESP10, 251, 319, 387, 439, 495, 463, , 467
ESP10, 246, 312, 384, 434, 490, 470, , 474
ESP10, 246, 312, 386, 434, 490, 477, , 481
ESP10, 253, 321, 392, 441, 494, 484, , 488
ESP10, 238, 308, 380, 427, 483, 491, , 495
ESP10, 235, 308, 378, 426, 478, 498, , 502
ESP10, 241, 316, 387, 431, 481, 505, , 509
ESP10, 233, 308, 377, 423, 476, 512, , 516
ESP10, 234, 305, 373, 425, 474, 519, , 523
ESP10, 238, 301, 375, 430, 476, 526, , 530
ESP10, 234, 290, 369, 423, 467, 533, , 537
ESP10, 228, 285, 363, 421, 467, 541, , 545
ESP10, 250, 308, 381, 438, 482, 548, , 552
ESP10, 253, 305, 378, 435, 479, 555, , 559
ESP10, 254, 296, 372, 430, 471, 562, , 566
ESP10, 253, 294, 365, 421, 468, 569, , 573
ESP10, 243, 282, 352, 412, 463, 576, , 580
ESP10, 229, 267, 339, 404, 455, 583, , 587
ESP10, 227, 269, 338, 409, 454, 590, , 594
ESP10, 234, 275, 344, 414, 464, 597, , 601
ESP10, 230, 262, 333, 404, 458, 604, , 608
ESP10, 224, 257, 326, 397, 452, 611, , 615
ESP10, 233, 273, 335, 406, 459, 618, , 622
ESP10, 231, 283, 334, 405, 458, 625, , 629
ESP10, 238, 291, 337, 406, 459, 632, , 636
ESP10, 241, 292, 335, 403, 454, 639, , 643
ESP10, 245, 289, 346, 405, 454, 646, , 650
ESP10, 244, 287, 344, 407, 451, 653, , 657
ESP10, 244, 284, 342, 406, 449, 660, , 664
ESP10, 238, 277, 336, 400, 443, 667, , 671
ESP10, 241, 274, 337, 398, 444, 675, , 679
ESP10, 246, 275, 338, 396, 449, 682, , 686
ESP10, 253, 280, 344, 401, 455, 689, , 693
ESP10, 247, 273, 339, 396, 451, 696, , 700
ESP10, 248, 276, 342, 395, 451, 703, , 707
ESP10, 246, 274, 340, 391, 449, 710, , 714
ESP10, 258, 274, 342, 390, 448, 717, , 721
ESP10, 254, 266, 334, 383, 443, 724, , 728
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Data Files
/chpsesp/ensemble/watersupply/ARAI1W_SQIN.ESPF10.csv
ARAI1W_SQIN.ESPF0.csv|2026-01-02
ARAI1W_SQIN.ESPF10.csv|2026-01-02
ARAI1W_SQIN.ESPFM.csv|2026-01-02
APR-SEP
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ESP10,ESPM,ESP0
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