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Archive:
Water Year
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SF BOISE - ANDERSON RANCH DAM
(
ARAI1
)
Forecasts for Water Year
2025
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
437
439
89
442
495
APR-JUL
408
408
88
408
462
JAN-SEP
516
517
89
521
583
JAN-JUL
487
487
88
487
550
OCT-SEP
559
561
88
565
637
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
APR-SEP
437
439
89
442
495
APR-JUL
408
408
88
408
462
JAN-SEP
516
517
89
521
583
JAN-JUL
487
487
88
487
550
OCT-SEP
559
561
88
565
637
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
APR-SEP
437
439
89
443
495
APR-JUL
408
408
88
409
462
JAN-SEP
516
518
89
522
583
JAN-JUL
487
487
88
487
550
OCT-SEP
559
562
88
566
637
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 150, 230, 354, 402, 465, 70, , 74
ESP10, 150, 228, 352, 401, 464, 73, , 77
ESP10, 177, 259, 380, 424, 483, 75, , 79
ESP10, 179, 259, 380, 424, 483, 77, , 81
ESP10, 180, 258, 379, 423, 483, 80, , 84
ESP10, 182, 259, 379, 424, 484, 82, , 86
ESP10, 183, 259, 380, 424, 484, 84, , 88
ESP10, 184, 259, 380, 424, 484, 87, , 91
ESP10, 182, 257, 378, 422, 483, 89, , 93
ESP10, 181, 256, 377, 421, 482, 91, , 95
ESP10, 181, 261, 377, 421, 482, 94, , 98
ESP10, 182, 269, 379, 422, 483, 96, , 100
ESP10, 176, 270, 373, 416, 479, 98, , 102
ESP10, 183, 278, 378, 421, 484, 101, , 105
ESP10, 184, 276, 377, 419, 486, 103, , 107
ESP10, 193, 279, 380, 422, 488, 105, , 109
ESP10, 194, 279, 380, 425, 488, 108, , 112
ESP10, 198, 280, 381, 427, 488, 110, , 114
ESP10, 200, 278, 379, 425, 486, 113, , 117
ESP10, 196, 274, 373, 421, 481, 115, , 119
ESP10, 203, 284, 379, 425, 485, 117, , 121
ESP10, 202, 289, 378, 424, 484, 120, , 124
ESP10, 200, 288, 378, 424, 482, 122, , 126
ESP10, 199, 288, 384, 427, 482, 124, , 128
ESP10, 198, 289, 384, 426, 481, 127, , 131
ESP10, 202, 289, 384, 428, 481, 129, , 133
ESP10, 204, 291, 381, 426, 478, 131, , 135
ESP10, 204, 291, 379, 428, 478, 134, , 138
ESP10, 201, 289, 377, 430, 475, 136, , 140
ESP10, 203, 291, 378, 438, 477, 138, , 142
ESP10, 200, 299, 376, 442, 478, 141, , 145
ESP10, 192, 296, 369, 435, 472, 143, , 147
ESP10, 198, 300, 370, 436, 474, 145, , 149
ESP10, 191, 291, 361, 437, 474, 148, , 152
ESP10, 179, 278, 352, 425, 465, 150, , 154
ESP10, 181, 280, 353, 426, 468, 152, , 156
ESP10, 192, 289, 362, 434, 481, 155, , 159
ESP10, 185, 279, 353, 427, 477, 157, , 161
ESP10, 204, 287, 360, 436, 484, 159, , 163
ESP10, 210, 289, 363, 441, 486, 162, , 166
ESP10, 212, 288, 365, 439, 487, 164, , 168
ESP10, 233, 306, 375, 448, 493, 166, , 170
ESP10, 231, 312, 384, 445, 491, 169, , 173
ESP10, 235, 314, 386, 450, 493, 171, , 175
ESP10, 221, 304, 373, 438, 484, 173, , 177
ESP10, 212, 296, 368, 429, 479, 176, , 180
ESP10, 193, 282, 350, 411, 469, 178, , 182
ESP10, 167, 258, 326, 388, 451, 180, , 184
ESP10, 198, 278, 348, 406, 467, 183, , 187
ESP10, 197, 275, 342, 400, 462, 185, , 189
ESP10, 205, 282, 349, 405, 471, 187, , 191
ESP10, 209, 284, 356, 408, 475, 190, , 194
ESP10, 215, 287, 370, 422, 484, 192, , 196
ESP10, 216, 287, 370, 424, 485, 195, , 199
ESP10, 218, 295, 370, 424, 484, 197, , 201
ESP10, 228, 297, 371, 434, 486, 199, , 203
ESP10, 230, 296, 374, 435, 486, 202, , 206
ESP10, 231, 297, 377, 435, 486, 204, , 208
ESP10, 232, 302, 378, 436, 486, 206, , 210
ESP10, 233, 306, 382, 435, 488, 209, , 213
ESP10, 236, 315, 385, 439, 488, 211, , 215
ESP10, 233, 316, 386, 437, 485, 213, , 217
ESP10, 233, 313, 385, 435, 483, 216, , 220
ESP10, 231, 310, 378, 429, 480, 218, , 222
ESP10, 238, 309, 380, 427, 480, 220, , 224
ESP10, 239, 306, 379, 427, 478, 223, , 227
ESP10, 235, 301, 377, 427, 477, 225, , 229
ESP10, 254, 316, 392, 441, 489, 227, , 231
ESP10, 258, 313, 390, 441, 488, 230, , 234
ESP10, 259, 309, 388, 436, 482, 232, , 236
ESP10, 269, 317, 390, 438, 487, 234, , 238
ESP10, 270, 319, 389, 441, 489, 237, , 241
ESP10, 259, 307, 379, 433, 482, 239, , 243
ESP10, 256, 307, 376, 439, 479, 241, , 245
ESP10, 232, 280, 353, 417, 464, 244, , 248
ESP10, 237, 277, 350, 421, 465, 246, , 250
ESP10, 219, 261, 333, 408, 456, 248, , 252
ESP10, 219, 269, 333, 409, 456, 251, , 255
ESP10, 205, 264, 317, 394, 445, 253, , 257
ESP10, 212, 278, 322, 396, 447, 255, , 259
ESP10, 219, 280, 322, 397, 445, 258, , 262
ESP10, 225, 284, 328, 405, 448, 260, , 264
ESP10, 213, 268, 317, 396, 435, 262, , 266
ESP10, 216, 269, 320, 399, 436, 265, , 269
ESP10, 215, 267, 321, 401, 435, 267, , 271
ESP10, 214, 264, 322, 403, 438, 269, , 273
ESP10, 224, 268, 329, 408, 444, 272, , 276
ESP10, 230, 274, 336, 413, 451, 274, , 278
ESP10, 223, 266, 331, 406, 446, 276, , 280
ESP10, 226, 273, 337, 408, 448, 279, , 283
ESP10, 231, 277, 338, 408, 448, 281, , 285
ESP10, 242, 278, 342, 408, 448, 284, , 288
ESP10, 253, 274, 344, 405, 445, 286, , 290
ESP10, 255, 277, 345, 404, 447, 288, , 292
ESP10, 256, 288, 347, 402, 445, 293, , 297
ESP10, 258, 295, 349, 403, 446, 295, , 299
ESP10, 262, 299, 350, 403, 447, 298, , 302
ESP10, 263, 303, 350, 403, 447, 300, , 304
ESP10, 263, 304, 350, 403, 448, 302, , 306
ESP10, 265, 318, 349, 403, 447, 305, , 309
ESP10, 269, 318, 349, 406, 449, 307, , 311
ESP10, 272, 320, 351, 408, 450, 309, , 313
ESP10, 272, 322, 352, 408, 450, 312, , 316
ESP10, 276, 324, 356, 410, 450, 314, , 318
ESP10, 280, 326, 357, 413, 450, 316, , 320
ESP10, 281, 326, 360, 415, 449, 319, , 323
ESP10, 282, 329, 366, 415, 448, 321, , 325
ESP10, 288, 330, 367, 416, 449, 323, , 327
ESP10, 290, 332, 371, 418, 450, 326, , 330
ESP10, 290, 340, 371, 423, 450, 328, , 332
ESP10, 292, 340, 373, 428, 449, 330, , 334
ESP10, 294, 337, 371, 429, 448, 333, , 337
ESP10, 290, 330, 365, 424, 442, 335, , 339
ESP10, 286, 331, 365, 422, 441, 337, , 341
ESP10, 285, 330, 364, 421, 440, 340, , 344
ESP10, 279, 325, 360, 417, 435, 342, , 346
ESP10, 257, 303, 336, 397, 415, 344, , 348
ESP10, 254, 299, 332, 393, 415, 347, , 351
ESP10, 243, 287, 321, 380, 402, 349, , 353
ESP10, 239, 284, 320, 378, 400, 351, , 355
ESP10, 253, 294, 332, 389, 410, 354, , 358
ESP10, 233, 275, 313, 370, 392, 356, , 360
ESP10, 220, 262, 304, 359, 381, 358, , 362
ESP10, 217, 258, 299, 357, 376, 361, , 365
ESP10, 230, 262, 303, 361, 381, 363, , 367
ESP10, 217, 249, 296, 351, 370, 366, , 370
ESP10, 215, 245, 290, 347, 366, 368, , 372
ESP10, 204, 234, 285, 337, 358, 370, , 374
ESP10, 225, 254, 299, 352, 374, 373, , 377
ESP10, 230, 256, 301, 350, 373, 375, , 379
ESP10, 245, 270, 311, 359, 383, 377, , 381
ESP10, 257, 284, 320, 368, 390, 380, , 384
ESP10, 247, 276, 310, 363, 383, 382, , 386
ESP10, 250, 279, 320, 366, 389, 384, , 388
ESP10, 245, 279, 316, 372, 388, 387, , 391
ESP10, 251, 284, 321, 377, 397, 389, , 393
ESP10, 250, 280, 319, 373, 394, 391, , 395
ESP10, 244, 274, 317, 367, 390, 394, , 398
ESP10, 247, 275, 315, 366, 389, 396, , 400
ESP10, 246, 272, 312, 364, 389, 398, , 402
ESP10, 253, 273, 316, 365, 390, 401, , 405
ESP10, 247, 269, 313, 360, 386, 403, , 407
ESP10, 243, 267, 312, 357, 383, 405, , 409
ESP10, 241, 268, 316, 356, 381, 408, , 412
ESP10, 246, 279, 320, 363, 386, 410, , 414
ESP10, 242, 279, 318, 365, 384, 412, , 416
ESP10, 241, 279, 323, 365, 384, 415, , 419
ESP10, 227, 266, 312, 353, 373, 417, , 421
ESP10, 234, 268, 314, 356, 375, 419, , 423
ESP10, 239, 267, 314, 358, 375, 422, , 426
ESP10, 232, 264, 306, 351, 370, 424, , 428
ESP10, 217, 253, 294, 339, 356, 426, , 430
ESP10, 221, 255, 294, 342, 355, 429, , 433
ESP10, 240, 271, 305, 352, 366, 431, , 435
ESP10, 240, 265, 301, 345, 358, 433, , 437
ESP10, 245, 272, 307, 348, 362, 436, , 440
ESP10, 223, 253, 290, 328, 345, 438, , 442
ESP10, 232, 260, 297, 334, 351, 440, , 444
ESP10, 239, 263, 297, 336, 352, 443, , 447
ESP10, 245, 264, 298, 337, 352, 445, , 449
ESP10, 239, 259, 295, 331, 346, 448, , 452
ESP10, 228, 249, 287, 320, 336, 450, , 454
ESP10, 229, 251, 288, 318, 334, 452, , 456
ESP10, 210, 231, 271, 298, 314, 455, , 459
ESP10, 219, 240, 279, 305, 321, 457, , 461
ESP10, 233, 256, 298, 322, 335, 459, , 463
ESP10, 231, 254, 293, 320, 336, 462, , 466
ESP10, 241, 255, 294, 322, 339, 464, , 468
ESP10, 246, 255, 296, 320, 340, 466, , 470
ESP10, 241, 254, 292, 317, 336, 469, , 473
ESP10, 239, 257, 290, 318, 334, 471, , 475
ESP10, 228, 251, 281, 308, 325, 473, , 477
ESP10, 213, 237, 273, 295, 311, 476, , 480
ESP10, 202, 226, 266, 285, 302, 478, , 482
ESP10, 201, 226, 265, 284, 302, 480, , 484
ESP10, 201, 228, 266, 285, 305, 483, , 487
ESP10, 208, 231, 270, 289, 310, 485, , 489
ESP10, 228, 256, 292, 307, 329, 487, , 491
ESP10, 234, 263, 299, 312, 334, 490, , 494
ESP10, 237, 268, 304, 318, 336, 492, , 496
ESP10, 235, 266, 301, 317, 334, 494, , 498
ESP10, 230, 257, 294, 312, 325, 497, , 501
ESP10, 230, 261, 294, 313, 325, 499, , 503
ESP10, 231, 267, 300, 317, 330, 501, , 505
ESP10, 229, 268, 299, 316, 328, 504, , 508
ESP10, 233, 273, 299, 315, 327, 506, , 510
ESP10, 237, 277, 299, 317, 326, 508, , 512
ESP10, 241, 281, 305, 323, 333, 511, , 515
ESP10, 241, 281, 305, 321, 331, 513, , 517
ESP10, 242, 283, 305, 321, 331, 515, , 519
ESP10, 241, 286, 307, 321, 331, 518, , 522
ESP10, 245, 289, 310, 324, 335, 520, , 524
ESP10, 251, 289, 312, 325, 337, 522, , 526
ESP10, 251, 291, 310, 325, 332, 525, , 529
ESP10, 249, 289, 309, 322, 333, 527, , 531
ESP10, 252, 294, 311, 323, 337, 530, , 534
ESP10, 251, 295, 310, 324, 336, 532, , 536
ESP10, 253, 293, 309, 324, 336, 534, , 538
ESP10, 256, 297, 312, 327, 337, 537, , 541
ESP10, 259, 300, 314, 330, 339, 539, , 543
ESP10, 263, 301, 316, 330, 339, 541, , 545
ESP10, 270, 304, 320, 332, 340, 544, , 548
ESP10, 269, 301, 315, 327, 336, 546, , 550
ESP10, 274, 304, 318, 330, 339, 548, , 552
ESP10, 270, 300, 315, 327, 336, 551, , 555
ESP10, 262, 293, 309, 318, 327, 553, , 557
ESP10, 261, 293, 308, 316, 324, 555, , 559
ESP10, 257, 287, 304, 312, 319, 558, , 562
ESP10, 268, 293, 309, 317, 327, 560, , 564
ESP10, 298, 324, 338, 346, 355, 562, , 566
ESP10, 303, 330, 343, 352, 361, 565, , 569
ESP10, 305, 332, 345, 354, 364, 567, , 571
ESP10, 306, 333, 346, 355, 365, 569, , 573
ESP10, 306, 332, 346, 354, 365, 572, , 576
ESP10, 311, 333, 347, 354, 365, 574, , 578
ESP10, 319, 337, 348, 357, 364, 576, , 580
ESP10, 318, 339, 347, 356, 364, 579, , 583
ESP10, 323, 343, 350, 359, 366, 581, , 585
ESP10, 315, 338, 344, 353, 360, 583, , 587
ESP10, 318, 339, 346, 354, 361, 586, , 590
ESP10, 322, 340, 348, 358, 363, 588, , 592
ESP10, 324, 341, 348, 358, 362, 590, , 594
ESP10, 337, 354, 360, 369, 373, 593, , 597
ESP10, 339, 355, 360, 369, 373, 595, , 599
ESP10, 340, 356, 363, 372, 374, 597, , 601
ESP10, 345, 359, 365, 372, 375, 600, , 604
ESP10, 341, 354, 360, 367, 369, 602, , 606
ESP10, 350, 361, 369, 375, 377, 604, , 608
ESP10, 350, 362, 368, 374, 377, 607, , 611
ESP10, 357, 371, 378, 383, 384, 609, , 613
ESP10, 357, 371, 377, 382, 384, 611, , 615
ESP10, 356, 370, 377, 381, 383, 614, , 618
ESP10, 360, 369, 377, 380, 382, 616, , 620
ESP10, 359, 368, 376, 379, 381, 619, , 623
ESP10, 359, 367, 374, 377, 378, 621, , 625
ESP10, 361, 366, 372, 374, 375, 623, , 627
ESP10, 351, 357, 363, 365, 366, 626, , 630
ESP10, 351, 356, 360, 362, 363, 628, , 632
ESP10, 353, 358, 361, 363, 364, 630, , 634
ESP10, 358, 362, 364, 365, 366, 633, , 637
ESP10, 358, 361, 363, 364, 365, 635, , 639
ESP10, 358, 361, 362, 363, 364, 637, , 641
ESP10, 356, 358, 359, 361, 361, 640, , 644
ESP10, 354, 356, 358, 359, 359, 642, , 646
ESP10, 354, 355, 357, 358, 358, 644, , 648
ESP10, 354, 355, 357, 358, 358, 647, , 651
ESP10, 353, 356, 357, 358, 359, 649, , 653
ESP10, 354, 355, 357, 358, 358, 651, , 655
ESP10, 353, 355, 356, 357, 358, 654, , 658
ESP10, 348, 349, 350, 351, 352, 677, , 681
ESP10, 348, 349, 351, 351, 352, 679, , 683
ESP10, 348, 349, 351, 351, 352, 682, , 686
ESP10, 349, 350, 351, 352, 352, 684, , 688
ESP10, 348, 350, 351, 351, 352, 686, , 690
ESP10, 348, 350, 350, 351, 352, 689, , 693
ESP10, 348, 350, 350, 351, 352, 691, , 695
ESP10, 348, 349, 350, 351, 351, 693, , 697
ESP10, 348, 349, 350, 350, 351, 696, , 700
ESP10, 348, 349, 350, 350, 351, 698, , 702
ESP10, 348, 349, 350, 350, 351, 701, , 705
ESP10, 347, 348, 349, 350, 350, 703, , 707
ESP10, 347, 348, 349, 350, 350, 705, , 709
ESP10, 347, 348, 349, 349, 350, 708, , 712
ESP10, 346, 348, 349, 349, 350, 710, , 714
ESP10, 346, 348, 349, 349, 350, 712, , 716
ESP10, 346, 348, 349, 349, 350, 715, , 719
ESP10, 346, 347, 348, 349, 349, 717, , 721
ESP10, 346, 347, 348, 349, 349, 719, , 723
ESP10, 346, 347, 348, 348, 349, 722, , 726
ESP10, 346, 347, 348, 348, 349, 724, , 728
ESP10, 346, 347, 348, 348, 349, 726, , 730
ESP10, 346, 347, 348, 348, 349, 729, , 733
ESP10, 346, 347, 348, 348, 349, 731, , 735
ESP10, 346, 347, 348, 348, 349, 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/watersupply/ARAI1W_SQIN.ESPF10.csv
ARAI1W_SQIN.ESPF0.csv|2025-07-12
ARAI1W_SQIN.ESPF10.csv|2025-07-12
ARAI1W_SQIN.ESPFM.csv|2025-07-12
APR-SEP
SF BOISE - ANDERSON RANCH DAM
(
ARAI1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
212
433
88
797
495
APR-JUL
191
403
87
747
462
JAN-SEP
282
504
86
946
583
JAN-JUL
264
475
86
900
550
OCT-SEP
335
565
89
1017
637
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/watersupply/ARAI1W_SQIN.ESPF10.csv
ARAI1W_SQIN.ESPF0.csv|2025-07-12
ARAI1W_SQIN.ESPF10.csv|2025-07-12
ARAI1W_SQIN.ESPFM.csv|2025-07-12
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
