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Archive:
Water Year
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BOISE - ARROWROCK DAM
(
ARKI1
)
Forecasts for Water Year
2025
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1080
1083
89
1089
1212
APR-JUL
1001
1002
89
1002
1121
JAN-SEP
1336
1339
91
1345
1479
JAN-JUL
1257
1257
91
1258
1388
OCT-SEP
1459
1462
89
1468
1636
Experimental
HEFS with 15 days EQPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
APR-SEP
1080
1083
89
1089
1212
APR-JUL
1001
1002
89
1002
1121
JAN-SEP
1336
1339
91
1345
1479
JAN-JUL
1257
1258
91
1258
1388
OCT-SEP
1459
1462
89
1468
1636
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
APR-SEP
1080
1084
89
1091
1212
APR-JUL
1001
1002
89
1003
1121
JAN-SEP
1336
1340
91
1347
1479
JAN-JUL
1257
1258
91
1259
1388
OCT-SEP
1459
1463
89
1470
1636
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 184, 266, 375, 415, 476, 70, , 74
ESP10, 184, 264, 373, 414, 475, 73, , 77
ESP10, 195, 277, 386, 423, 485, 75, , 79
ESP10, 197, 278, 386, 423, 485, 77, , 81
ESP10, 198, 276, 385, 422, 484, 80, , 84
ESP10, 199, 277, 386, 426, 485, 82, , 86
ESP10, 201, 278, 386, 430, 485, 84, , 88
ESP10, 202, 278, 386, 429, 485, 86, , 90
ESP10, 200, 276, 384, 428, 484, 89, , 93
ESP10, 199, 274, 387, 427, 482, 91, , 95
ESP10, 199, 274, 390, 426, 482, 93, , 97
ESP10, 199, 279, 391, 427, 483, 96, , 100
ESP10, 194, 283, 386, 422, 478, 98, , 102
ESP10, 200, 289, 392, 436, 485, 100, , 104
ESP10, 203, 288, 390, 436, 489, 103, , 107
ESP10, 212, 291, 393, 439, 491, 105, , 109
ESP10, 212, 291, 393, 439, 491, 107, , 111
ESP10, 217, 292, 394, 439, 491, 110, , 114
ESP10, 218, 290, 392, 438, 490, 112, , 116
ESP10, 214, 290, 386, 434, 484, 114, , 118
ESP10, 220, 304, 391, 437, 488, 117, , 121
ESP10, 219, 309, 391, 442, 487, 119, , 123
ESP10, 217, 307, 390, 440, 486, 121, , 125
ESP10, 216, 306, 391, 439, 485, 123, , 127
ESP10, 214, 308, 390, 439, 484, 126, , 130
ESP10, 216, 308, 390, 439, 484, 128, , 132
ESP10, 214, 305, 387, 437, 481, 130, , 134
ESP10, 216, 308, 388, 436, 481, 133, , 137
ESP10, 217, 310, 385, 435, 479, 135, , 139
ESP10, 219, 312, 387, 438, 480, 137, , 141
ESP10, 217, 310, 384, 436, 480, 140, , 144
ESP10, 208, 303, 376, 428, 474, 142, , 146
ESP10, 212, 306, 376, 427, 474, 144, , 148
ESP10, 202, 296, 367, 430, 478, 147, , 151
ESP10, 185, 279, 352, 417, 471, 149, , 153
ESP10, 194, 280, 357, 418, 474, 151, , 155
ESP10, 205, 289, 368, 425, 484, 153, , 157
ESP10, 201, 287, 362, 420, 483, 156, , 160
ESP10, 218, 296, 369, 428, 489, 158, , 162
ESP10, 222, 299, 371, 433, 491, 160, , 164
ESP10, 223, 309, 370, 432, 492, 163, , 167
ESP10, 245, 331, 380, 441, 498, 165, , 169
ESP10, 242, 327, 387, 437, 496, 167, , 171
ESP10, 248, 330, 389, 443, 497, 170, , 174
ESP10, 234, 316, 377, 432, 490, 172, , 176
ESP10, 224, 305, 380, 423, 483, 174, , 178
ESP10, 205, 286, 371, 408, 473, 177, , 181
ESP10, 180, 264, 348, 386, 456, 179, , 183
ESP10, 213, 288, 366, 402, 471, 181, , 185
ESP10, 209, 282, 360, 402, 468, 184, , 188
ESP10, 220, 298, 368, 409, 477, 186, , 190
ESP10, 224, 302, 369, 419, 480, 188, , 192
ESP10, 232, 306, 378, 430, 488, 190, , 194
ESP10, 235, 308, 379, 434, 489, 193, , 197
ESP10, 236, 308, 378, 434, 488, 195, , 199
ESP10, 244, 315, 379, 438, 490, 197, , 201
ESP10, 246, 316, 384, 437, 490, 200, , 204
ESP10, 249, 315, 382, 434, 487, 202, , 206
ESP10, 250, 317, 383, 446, 487, 204, , 208
ESP10, 252, 322, 385, 448, 487, 207, , 211
ESP10, 258, 326, 387, 447, 487, 209, , 213
ESP10, 255, 323, 385, 443, 483, 211, , 215
ESP10, 254, 320, 388, 440, 481, 214, , 218
ESP10, 247, 316, 383, 429, 479, 216, , 220
ESP10, 251, 316, 382, 427, 480, 218, , 222
ESP10, 256, 314, 380, 426, 478, 220, , 224
ESP10, 252, 309, 375, 422, 476, 223, , 227
ESP10, 273, 326, 389, 435, 488, 225, , 229
ESP10, 278, 324, 387, 436, 486, 227, , 231
ESP10, 279, 317, 382, 427, 479, 230, , 234
ESP10, 292, 319, 385, 430, 484, 232, , 236
ESP10, 293, 319, 385, 438, 485, 234, , 238
ESP10, 281, 308, 378, 430, 479, 237, , 241
ESP10, 279, 307, 377, 434, 477, 239, , 243
ESP10, 252, 281, 352, 413, 460, 241, , 245
ESP10, 250, 279, 349, 413, 462, 244, , 248
ESP10, 230, 264, 330, 402, 448, 246, , 250
ESP10, 230, 277, 330, 404, 451, 248, , 252
ESP10, 220, 282, 322, 396, 443, 251, , 255
ESP10, 228, 285, 326, 397, 445, 253, , 257
ESP10, 239, 286, 327, 397, 443, 255, , 259
ESP10, 244, 291, 337, 405, 446, 257, , 261
ESP10, 226, 272, 323, 396, 432, 260, , 264
ESP10, 228, 273, 326, 400, 433, 262, , 266
ESP10, 226, 271, 326, 401, 432, 264, , 268
ESP10, 223, 271, 326, 400, 435, 267, , 271
ESP10, 238, 280, 340, 407, 441, 269, , 273
ESP10, 243, 285, 346, 416, 446, 271, , 275
ESP10, 238, 278, 338, 409, 439, 274, , 278
ESP10, 247, 284, 343, 412, 441, 276, , 280
ESP10, 255, 287, 347, 413, 442, 278, , 282
ESP10, 257, 292, 352, 413, 442, 281, , 285
ESP10, 266, 289, 349, 409, 439, 283, , 287
ESP10, 265, 289, 348, 408, 442, 285, , 289
ESP10, 268, 301, 347, 407, 442, 290, , 294
ESP10, 270, 307, 348, 408, 443, 292, , 296
ESP10, 271, 313, 349, 408, 446, 294, , 298
ESP10, 272, 318, 356, 408, 447, 297, , 301
ESP10, 279, 321, 358, 408, 447, 299, , 303
ESP10, 282, 328, 359, 409, 448, 301, , 305
ESP10, 289, 330, 359, 409, 448, 304, , 308
ESP10, 292, 331, 364, 411, 449, 306, , 310
ESP10, 294, 331, 369, 411, 449, 308, , 312
ESP10, 294, 332, 369, 416, 450, 311, , 315
ESP10, 297, 332, 369, 417, 451, 313, , 317
ESP10, 297, 331, 370, 416, 450, 315, , 319
ESP10, 299, 331, 370, 418, 450, 318, , 322
ESP10, 309, 338, 373, 422, 451, 320, , 324
ESP10, 313, 340, 376, 425, 452, 322, , 326
ESP10, 313, 346, 378, 428, 452, 324, , 328
ESP10, 315, 346, 379, 429, 452, 327, , 331
ESP10, 317, 343, 376, 428, 450, 329, , 333
ESP10, 308, 336, 370, 424, 443, 331, , 335
ESP10, 305, 337, 367, 424, 442, 334, , 338
ESP10, 304, 339, 367, 424, 442, 336, , 340
ESP10, 299, 334, 363, 420, 437, 338, , 342
ESP10, 277, 309, 340, 397, 418, 341, , 345
ESP10, 271, 307, 334, 392, 413, 343, , 347
ESP10, 257, 298, 323, 380, 402, 345, , 349
ESP10, 259, 297, 324, 379, 402, 348, , 352
ESP10, 275, 307, 338, 392, 413, 350, , 354
ESP10, 256, 290, 320, 376, 399, 352, , 356
ESP10, 246, 279, 310, 369, 390, 354, , 358
ESP10, 240, 273, 307, 362, 384, 357, , 361
ESP10, 249, 280, 313, 365, 388, 359, , 363
ESP10, 232, 269, 303, 353, 378, 361, , 365
ESP10, 231, 262, 297, 350, 372, 364, , 368
ESP10, 221, 251, 291, 339, 362, 366, , 370
ESP10, 241, 268, 305, 354, 375, 368, , 372
ESP10, 243, 267, 302, 352, 373, 371, , 375
ESP10, 257, 279, 311, 361, 385, 373, , 377
ESP10, 272, 294, 325, 374, 396, 375, , 379
ESP10, 265, 287, 316, 369, 390, 378, , 382
ESP10, 268, 291, 327, 373, 397, 380, , 384
ESP10, 265, 289, 322, 374, 395, 382, , 386
ESP10, 270, 296, 327, 379, 399, 385, , 389
ESP10, 265, 291, 326, 375, 395, 387, , 391
ESP10, 257, 286, 326, 368, 390, 389, , 393
ESP10, 264, 288, 327, 370, 393, 391, , 395
ESP10, 263, 286, 324, 369, 393, 394, , 398
ESP10, 274, 293, 331, 375, 398, 396, , 400
ESP10, 271, 288, 328, 371, 394, 398, , 402
ESP10, 267, 288, 325, 368, 391, 401, , 405
ESP10, 264, 292, 324, 366, 388, 403, , 407
ESP10, 266, 294, 327, 368, 389, 405, , 409
ESP10, 264, 293, 326, 366, 389, 408, , 412
ESP10, 264, 293, 330, 365, 388, 410, , 414
ESP10, 255, 284, 326, 357, 380, 412, , 416
ESP10, 258, 283, 325, 359, 379, 415, , 419
ESP10, 264, 284, 326, 364, 382, 417, , 421
ESP10, 254, 277, 318, 355, 377, 419, , 423
ESP10, 240, 264, 307, 343, 365, 421, , 425
ESP10, 244, 273, 311, 346, 366, 424, , 428
ESP10, 251, 281, 317, 350, 370, 426, , 430
ESP10, 251, 278, 311, 342, 362, 428, , 432
ESP10, 257, 283, 315, 345, 365, 431, , 435
ESP10, 230, 258, 291, 321, 342, 433, , 437
ESP10, 237, 262, 295, 328, 347, 435, , 439
ESP10, 240, 264, 298, 333, 349, 438, , 442
ESP10, 248, 272, 305, 336, 354, 440, , 444
ESP10, 235, 260, 294, 324, 342, 442, , 446
ESP10, 224, 249, 285, 313, 331, 445, , 449
ESP10, 223, 248, 284, 310, 328, 447, , 451
ESP10, 211, 236, 270, 296, 313, 449, , 453
ESP10, 223, 247, 281, 304, 321, 452, , 456
ESP10, 238, 262, 300, 320, 337, 454, , 458
ESP10, 238, 262, 297, 319, 336, 456, , 460
ESP10, 244, 264, 297, 322, 338, 458, , 462
ESP10, 243, 267, 297, 321, 337, 461, , 465
ESP10, 237, 264, 292, 317, 333, 463, , 467
ESP10, 239, 263, 293, 315, 332, 465, , 469
ESP10, 230, 260, 287, 307, 329, 468, , 472
ESP10, 217, 248, 278, 295, 317, 470, , 474
ESP10, 205, 238, 266, 288, 306, 472, , 476
ESP10, 211, 237, 269, 290, 308, 475, , 479
ESP10, 213, 236, 271, 290, 308, 477, , 481
ESP10, 217, 241, 276, 294, 312, 479, , 483
ESP10, 237, 266, 298, 312, 330, 482, , 486
ESP10, 243, 276, 304, 318, 335, 484, , 488
ESP10, 247, 282, 310, 322, 341, 486, , 490
ESP10, 246, 280, 307, 325, 338, 488, , 492
ESP10, 244, 272, 301, 321, 332, 491, , 495
ESP10, 243, 273, 301, 320, 333, 493, , 497
ESP10, 244, 276, 302, 323, 336, 495, , 499
ESP10, 242, 274, 301, 321, 333, 498, , 502
ESP10, 245, 275, 304, 322, 334, 500, , 504
ESP10, 250, 276, 304, 324, 334, 502, , 506
ESP10, 254, 279, 309, 327, 342, 505, , 509
ESP10, 254, 277, 308, 325, 340, 507, , 511
ESP10, 258, 287, 309, 325, 340, 509, , 513
ESP10, 259, 290, 312, 327, 341, 512, , 516
ESP10, 260, 292, 314, 329, 344, 514, , 518
ESP10, 266, 293, 316, 329, 345, 516, , 520
ESP10, 268, 297, 317, 330, 344, 519, , 523
ESP10, 269, 299, 317, 330, 344, 521, , 525
ESP10, 270, 303, 321, 331, 346, 523, , 527
ESP10, 268, 303, 321, 332, 345, 525, , 529
ESP10, 273, 300, 318, 331, 344, 528, , 532
ESP10, 275, 303, 322, 334, 347, 530, , 534
ESP10, 280, 305, 323, 337, 349, 532, , 536
ESP10, 281, 305, 326, 337, 349, 535, , 539
ESP10, 301, 323, 341, 352, 362, 537, , 541
ESP10, 297, 319, 336, 347, 357, 539, , 543
ESP10, 298, 321, 338, 350, 359, 542, , 546
ESP10, 299, 318, 337, 348, 356, 544, , 548
ESP10, 291, 310, 328, 338, 346, 546, , 550
ESP10, 289, 312, 326, 335, 342, 549, , 553
ESP10, 287, 310, 322, 332, 338, 551, , 555
ESP10, 300, 317, 329, 339, 346, 553, , 557
ESP10, 314, 331, 343, 352, 360, 555, , 559
ESP10, 321, 337, 349, 358, 367, 558, , 562
ESP10, 322, 339, 351, 361, 370, 560, , 564
ESP10, 322, 339, 351, 361, 370, 562, , 566
ESP10, 322, 339, 350, 360, 369, 565, , 569
ESP10, 325, 340, 353, 360, 369, 567, , 571
ESP10, 327, 344, 354, 362, 369, 569, , 573
ESP10, 326, 345, 355, 362, 369, 572, , 576
ESP10, 329, 351, 357, 365, 370, 574, , 578
ESP10, 323, 346, 353, 360, 366, 576, , 580
ESP10, 327, 349, 355, 362, 368, 579, , 583
ESP10, 331, 352, 357, 364, 370, 581, , 585
ESP10, 337, 352, 357, 364, 370, 583, , 587
ESP10, 335, 350, 356, 363, 368, 586, , 590
ESP10, 341, 354, 359, 366, 371, 588, , 592
ESP10, 342, 355, 361, 368, 372, 590, , 594
ESP10, 346, 356, 362, 369, 373, 592, , 596
ESP10, 341, 351, 357, 365, 367, 595, , 599
ESP10, 350, 357, 365, 371, 375, 597, , 601
ESP10, 367, 376, 382, 387, 391, 599, , 603
ESP10, 372, 382, 388, 393, 396, 602, , 606
ESP10, 373, 382, 389, 392, 395, 604, , 608
ESP10, 374, 382, 389, 392, 395, 606, , 610
ESP10, 376, 381, 389, 392, 394, 609, , 613
ESP10, 376, 380, 388, 392, 393, 611, , 615
ESP10, 375, 380, 387, 390, 391, 613, , 617
ESP10, 376, 380, 386, 389, 390, 616, , 620
ESP10, 371, 378, 381, 384, 385, 618, , 622
ESP10, 371, 377, 380, 383, 384, 620, , 624
ESP10, 373, 379, 382, 384, 385, 622, , 626
ESP10, 377, 382, 384, 386, 386, 625, , 629
ESP10, 375, 380, 382, 384, 385, 627, , 631
ESP10, 375, 378, 381, 383, 383, 629, , 633
ESP10, 375, 378, 380, 381, 382, 632, , 636
ESP10, 373, 377, 379, 380, 380, 634, , 638
ESP10, 374, 377, 379, 379, 380, 636, , 640
ESP10, 374, 377, 379, 380, 380, 639, , 643
ESP10, 373, 377, 379, 380, 380, 641, , 645
ESP10, 374, 377, 378, 379, 379, 643, , 647
ESP10, 375, 376, 378, 379, 379, 646, , 650
ESP10, 370, 370, 371, 372, 372, 669, , 673
ESP10, 370, 370, 371, 372, 372, 671, , 675
ESP10, 370, 370, 371, 372, 372, 673, , 677
ESP10, 370, 370, 372, 372, 372, 676, , 680
ESP10, 370, 370, 371, 372, 372, 678, , 682
ESP10, 369, 370, 371, 372, 372, 680, , 684
ESP10, 369, 370, 371, 372, 372, 683, , 687
ESP10, 369, 370, 371, 371, 372, 685, , 689
ESP10, 370, 370, 371, 372, 372, 687, , 691
ESP10, 370, 370, 371, 372, 372, 689, , 693
ESP10, 370, 370, 371, 372, 372, 692, , 696
ESP10, 369, 370, 371, 371, 372, 694, , 698
ESP10, 369, 370, 371, 371, 372, 696, , 700
ESP10, 370, 370, 371, 372, 372, 699, , 703
ESP10, 369, 370, 371, 371, 372, 701, , 705
ESP10, 369, 370, 371, 371, 372, 703, , 707
ESP10, 369, 370, 371, 371, 372, 706, , 710
ESP10, 369, 370, 370, 371, 371, 708, , 712
ESP10, 370, 371, 372, 372, 373, 710, , 714
ESP10, 370, 371, 372, 372, 373, 713, , 717
ESP10, 370, 371, 372, 372, 373, 715, , 719
ESP10, 370, 371, 372, 372, 373, 717, , 721
ESP10, 371, 371, 372, 373, 373, 720, , 724
ESP10, 371, 371, 372, 373, 373, 722, , 726
ESP10, 371, 371, 372, 373, 373, 724, , 728
ESP10, 371, 372, 372, 373, 373, 726, , 730
ESP10, 371, 372, 372, 373, 373, 729, , 733
ESP10, 371, 372, 372, 373, 373, 731, , 735
ESP10, 371, 372, 372, 373, 373, 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/ARKI1N_SQIN.ESPF10.csv
ARKI1N_SQIN.ESPF0.csv|2025-07-16
ARKI1N_SQIN.ESPF10.csv|2025-07-16
ARKI1N_SQIN.ESPFM.csv|2025-07-16
APR-SEP
BOISE - ARROWROCK DAM
(
ARKI1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
592
1097
91
2019
1212
APR-JUL
529
1011
90
1872
1121
JAN-SEP
749
1265
85
2356
1479
JAN-JUL
691
1178
85
2211
1388
OCT-SEP
880
1420
87
2515
1636
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/ARKI1N_SQIN.ESPF10.csv
ARKI1N_SQIN.ESPF0.csv|2025-07-16
ARKI1N_SQIN.ESPF10.csv|2025-07-16
ARKI1N_SQIN.ESPFM.csv|2025-07-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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