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Archive:
Water Year
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OWYHEE - WILDHORSE DAM
(
WDHN2
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-07-21
Issued:
2026-07-21
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
-3
-3
-3
16
APR-JUL
-3
-3
-3
17
JAN-SEP
-0
-0
0
24
JAN-JUL
-0
-0
-0
25
OCT-SEP
0
0
1
1
25
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-07-21
Issued:
2026-07-21
Hide Forecast
APR-SEP
-3
-3
-3
16
APR-JUL
-3
-3
-3
17
JAN-SEP
-0
-0
0
24
JAN-JUL
-0
-0
-0
25
OCT-SEP
0
0
1
1
25
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-21
Issued:
2026-07-21
Hide Forecast
APR-SEP
-3
-3
-3
16
APR-JUL
-3
-3
-3
17
JAN-SEP
-0
-0
0
24
JAN-JUL
-0
-0
-0
25
OCT-SEP
0
0
1
1
25
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 266, 339, 401, 453, 480, 70, , 74
ESP10, 268, 339, 402, 455, 480, 73, , 77
ESP10, 266, 337, 398, 455, 477, 75, , 79
ESP10, 265, 336, 396, 455, 477, 77, , 81
ESP10, 264, 336, 396, 455, 477, 79, , 83
ESP10, 261, 334, 393, 449, 471, 82, , 86
ESP10, 264, 336, 396, 453, 475, 84, , 88
ESP10, 263, 336, 396, 453, 476, 86, , 90
ESP10, 263, 335, 395, 451, 475, 88, , 92
ESP10, 255, 330, 388, 438, 461, 91, , 95
ESP10, 250, 326, 384, 432, 456, 93, , 97
ESP10, 256, 330, 387, 438, 460, 95, , 99
ESP10, 259, 330, 387, 438, 461, 98, , 102
ESP10, 264, 332, 389, 444, 464, 100, , 104
ESP10, 259, 327, 385, 435, 458, 102, , 106
ESP10, 252, 321, 382, 428, 454, 104, , 108
ESP10, 251, 320, 382, 427, 455, 107, , 111
ESP10, 246, 316, 378, 423, 452, 109, , 113
ESP10, 257, 324, 385, 432, 456, 111, , 115
ESP10, 258, 324, 386, 433, 457, 113, , 117
ESP10, 258, 324, 383, 429, 455, 116, , 120
ESP10, 264, 335, 389, 437, 459, 118, , 122
ESP10, 265, 338, 390, 440, 459, 120, , 124
ESP10, 262, 333, 387, 435, 458, 123, , 127
ESP10, 257, 329, 385, 431, 456, 125, , 129
ESP10, 257, 328, 385, 432, 456, 127, , 131
ESP10, 258, 329, 385, 437, 457, 129, , 133
ESP10, 258, 330, 386, 436, 460, 132, , 136
ESP10, 257, 334, 386, 435, 458, 134, , 138
ESP10, 252, 323, 384, 429, 456, 136, , 140
ESP10, 254, 328, 386, 435, 459, 138, , 142
ESP10, 256, 331, 387, 436, 460, 141, , 145
ESP10, 256, 331, 387, 436, 461, 143, , 147
ESP10, 252, 323, 383, 436, 457, 145, , 149
ESP10, 253, 324, 383, 436, 458, 147, , 151
ESP10, 253, 322, 383, 436, 458, 150, , 154
ESP10, 247, 315, 377, 431, 456, 152, , 156
ESP10, 233, 302, 366, 425, 452, 154, , 158
ESP10, 232, 302, 365, 426, 452, 157, , 161
ESP10, 245, 315, 376, 434, 456, 159, , 163
ESP10, 253, 318, 382, 435, 457, 161, , 165
ESP10, 249, 323, 382, 432, 455, 163, , 167
ESP10, 251, 323, 381, 429, 455, 166, , 170
ESP10, 269, 326, 382, 431, 457, 168, , 172
ESP10, 281, 338, 391, 441, 467, 170, , 174
ESP10, 291, 350, 399, 450, 474, 172, , 176
ESP10, 298, 359, 406, 457, 478, 175, , 179
ESP10, 303, 358, 406, 457, 478, 177, , 181
ESP10, 302, 357, 404, 454, 478, 179, , 183
ESP10, 301, 355, 409, 450, 477, 182, , 186
ESP10, 299, 352, 408, 450, 477, 184, , 188
ESP10, 298, 350, 405, 449, 478, 186, , 190
ESP10, 305, 363, 413, 455, 482, 188, , 192
ESP10, 311, 366, 417, 459, 483, 191, , 195
ESP10, 310, 363, 416, 465, 483, 193, , 197
ESP10, 314, 365, 416, 465, 482, 195, , 199
ESP10, 310, 360, 416, 461, 480, 197, , 201
ESP10, 310, 362, 417, 460, 480, 200, , 204
ESP10, 307, 359, 415, 458, 478, 202, , 206
ESP10, 303, 354, 408, 458, 474, 204, , 208
ESP10, 303, 354, 407, 458, 473, 207, , 211
ESP10, 310, 363, 415, 463, 478, 209, , 213
ESP10, 307, 359, 412, 458, 477, 211, , 215
ESP10, 317, 365, 414, 460, 480, 213, , 217
ESP10, 318, 366, 410, 454, 479, 216, , 220
ESP10, 328, 373, 414, 460, 483, 218, , 222
ESP10, 325, 374, 412, 458, 482, 220, , 224
ESP10, 329, 379, 415, 461, 484, 222, , 226
ESP10, 331, 381, 413, 461, 483, 225, , 229
ESP10, 331, 380, 412, 459, 481, 227, , 231
ESP10, 326, 378, 412, 455, 483, 229, , 233
ESP10, 311, 374, 408, 449, 484, 232, , 236
ESP10, 307, 373, 406, 447, 484, 234, , 238
ESP10, 305, 371, 405, 445, 480, 236, , 240
ESP10, 321, 379, 411, 447, 484, 238, , 242
ESP10, 320, 376, 407, 444, 478, 241, , 245
ESP10, 314, 371, 407, 439, 470, 243, , 247
ESP10, 315, 373, 407, 440, 471, 245, , 249
ESP10, 318, 376, 407, 438, 469, 247, , 251
ESP10, 318, 376, 408, 437, 468, 250, , 254
ESP10, 326, 383, 414, 446, 482, 252, , 256
ESP10, 324, 383, 411, 444, 477, 254, , 258
ESP10, 330, 383, 411, 447, 477, 257, , 261
ESP10, 336, 384, 414, 451, 480, 259, , 263
ESP10, 337, 385, 416, 452, 481, 261, , 265
ESP10, 337, 385, 419, 454, 482, 263, , 267
ESP10, 338, 385, 421, 454, 482, 266, , 270
ESP10, 344, 390, 426, 461, 486, 268, , 272
ESP10, 340, 387, 423, 461, 484, 270, , 274
ESP10, 343, 388, 426, 461, 485, 272, , 276
ESP10, 336, 382, 421, 453, 480, 275, , 279
ESP10, 348, 384, 425, 455, 482, 277, , 281
ESP10, 349, 384, 425, 454, 481, 279, , 283
ESP10, 346, 383, 424, 453, 479, 281, , 285
ESP10, 350, 384, 425, 456, 481, 284, , 288
ESP10, 353, 384, 425, 463, 482, 286, , 290
ESP10, 353, 385, 425, 463, 482, 288, , 292
ESP10, 356, 389, 426, 464, 483, 291, , 295
ESP10, 354, 388, 422, 461, 478, 293, , 297
ESP10, 355, 392, 425, 461, 479, 295, , 299
ESP10, 356, 397, 427, 462, 479, 297, , 301
ESP10, 357, 399, 428, 462, 479, 300, , 304
ESP10, 357, 401, 429, 463, 479, 302, , 306
ESP10, 357, 403, 432, 463, 483, 304, , 308
ESP10, 353, 402, 428, 460, 478, 306, , 310
ESP10, 353, 405, 430, 463, 479, 309, , 313
ESP10, 354, 404, 430, 463, 479, 311, , 315
ESP10, 357, 405, 431, 466, 481, 313, , 317
ESP10, 359, 405, 432, 468, 482, 316, , 320
ESP10, 361, 405, 433, 472, 483, 318, , 322
ESP10, 361, 405, 435, 473, 487, 320, , 324
ESP10, 364, 408, 436, 474, 487, 322, , 326
ESP10, 366, 409, 438, 476, 487, 325, , 329
ESP10, 367, 410, 438, 477, 487, 327, , 331
ESP10, 369, 412, 438, 479, 488, 329, , 333
ESP10, 369, 414, 440, 480, 488, 331, , 335
ESP10, 371, 416, 442, 482, 488, 334, , 338
ESP10, 371, 416, 443, 481, 488, 336, , 340
ESP10, 361, 408, 435, 475, 482, 338, , 342
ESP10, 361, 410, 436, 476, 484, 341, , 345
ESP10, 362, 412, 439, 478, 486, 343, , 347
ESP10, 362, 413, 441, 478, 487, 345, , 349
ESP10, 361, 413, 443, 478, 487, 347, , 351
ESP10, 358, 412, 440, 474, 485, 350, , 354
ESP10, 356, 411, 441, 471, 483, 352, , 356
ESP10, 359, 413, 441, 472, 486, 354, , 358
ESP10, 363, 415, 444, 476, 488, 356, , 360
ESP10, 361, 414, 443, 474, 488, 359, , 363
ESP10, 357, 413, 440, 475, 487, 361, , 365
ESP10, 353, 411, 438, 472, 484, 363, , 367
ESP10, 353, 411, 439, 471, 483, 366, , 370
ESP10, 352, 411, 439, 471, 484, 368, , 372
ESP10, 348, 408, 436, 467, 481, 370, , 374
ESP10, 351, 412, 440, 469, 485, 372, , 376
ESP10, 356, 417, 445, 475, 488, 375, , 379
ESP10, 357, 418, 447, 475, 488, 377, , 381
ESP10, 355, 415, 444, 470, 486, 379, , 383
ESP10, 349, 410, 440, 468, 480, 381, , 385
ESP10, 353, 412, 442, 473, 485, 384, , 388
ESP10, 353, 413, 442, 475, 485, 386, , 390
ESP10, 356, 414, 446, 477, 487, 388, , 392
ESP10, 355, 413, 444, 476, 486, 391, , 395
ESP10, 362, 416, 448, 482, 488, 393, , 397
ESP10, 360, 416, 446, 479, 488, 395, , 399
ESP10, 356, 413, 446, 475, 487, 397, , 401
ESP10, 364, 417, 452, 478, 490, 400, , 404
ESP10, 349, 405, 439, 467, 482, 402, , 406
ESP10, 347, 403, 437, 464, 480, 404, , 408
ESP10, 344, 400, 433, 463, 477, 406, , 410
ESP10, 345, 403, 435, 466, 478, 409, , 413
ESP10, 347, 406, 439, 467, 480, 411, , 415
ESP10, 348, 407, 440, 468, 481, 413, , 417
ESP10, 348, 408, 440, 467, 479, 415, , 419
ESP10, 348, 411, 437, 465, 478, 418, , 422
ESP10, 355, 416, 442, 468, 480, 420, , 424
ESP10, 358, 417, 445, 468, 481, 422, , 426
ESP10, 361, 423, 449, 471, 482, 425, , 429
ESP10, 361, 426, 448, 472, 483, 427, , 431
ESP10, 365, 429, 447, 472, 483, 429, , 433
ESP10, 370, 429, 454, 473, 483, 431, , 435
ESP10, 377, 429, 454, 474, 483, 434, , 438
ESP10, 387, 430, 456, 475, 484, 436, , 440
ESP10, 392, 431, 455, 476, 485, 438, , 442
ESP10, 394, 434, 458, 475, 486, 440, , 444
ESP10, 399, 440, 459, 479, 487, 443, , 447
ESP10, 402, 440, 463, 480, 489, 445, , 449
ESP10, 402, 444, 463, 481, 489, 447, , 451
ESP10, 410, 446, 469, 481, 489, 450, , 454
ESP10, 413, 447, 472, 483, 489, 452, , 456
ESP10, 415, 449, 473, 485, 489, 454, , 458
ESP10, 418, 448, 473, 486, 489, 456, , 460
ESP10, 420, 450, 474, 487, 489, 459, , 463
ESP10, 419, 449, 475, 487, 489, 461, , 465
ESP10, 402, 437, 459, 474, 482, 463, , 467
ESP10, 407, 441, 461, 476, 484, 465, , 469
ESP10, 409, 445, 461, 476, 484, 468, , 472
ESP10, 416, 452, 471, 482, 489, 470, , 474
ESP10, 415, 445, 467, 477, 483, 472, , 476
ESP10, 416, 445, 467, 478, 483, 475, , 479
ESP10, 423, 454, 474, 485, 488, 477, , 481
ESP10, 420, 452, 470, 482, 485, 479, , 483
ESP10, 421, 456, 473, 483, 485, 481, , 485
ESP10, 407, 444, 460, 474, 478, 484, , 488
ESP10, 406, 443, 459, 474, 478, 486, , 490
ESP10, 399, 437, 452, 467, 472, 488, , 492
ESP10, 401, 434, 448, 466, 469, 490, , 494
ESP10, 401, 436, 448, 466, 469, 493, , 497
ESP10, 409, 443, 457, 470, 473, 495, , 499
ESP10, 405, 437, 449, 462, 465, 497, , 501
ESP10, 429, 460, 473, 484, 487, 500, , 504
ESP10, 434, 458, 475, 484, 487, 502, , 506
ESP10, 434, 459, 475, 485, 488, 504, , 508
ESP10, 434, 456, 474, 483, 485, 506, , 510
ESP10, 436, 460, 474, 485, 487, 509, , 513
ESP10, 433, 457, 471, 483, 484, 511, , 515
ESP10, 441, 463, 479, 488, 489, 513, , 517
ESP10, 442, 465, 486, 489, 490, 515, , 519
ESP10, 436, 466, 482, 488, 489, 518, , 522
ESP10, 440, 471, 487, 489, 490, 520, , 524
ESP10, 445, 475, 488, 490, 490, 522, , 526
ESP10, 439, 472, 486, 490, 490, 525, , 529
ESP10, 449, 476, 488, 490, 491, 527, , 531
ESP10, 450, 476, 487, 490, 491, 529, , 533
ESP10, 458, 483, 488, 490, 491, 531, , 535
ESP10, 456, 484, 489, 490, 491, 534, , 538
ESP10, 461, 486, 489, 490, 491, 536, , 540
ESP10, 464, 487, 490, 491, 492, 538, , 542
ESP10, 448, 474, 488, 490, 491, 540, , 544
ESP10, 468, 488, 490, 491, 492, 543, , 547
ESP10, 469, 488, 490, 492, 492, 545, , 549
ESP10, 467, 488, 490, 492, 492, 547, , 551
ESP10, 475, 489, 491, 492, 493, 549, , 553
ESP10, 477, 489, 491, 492, 493, 552, , 556
ESP10, 481, 490, 491, 492, 493, 554, , 558
ESP10, 484, 491, 492, 493, 493, 556, , 560
ESP10, 486, 491, 493, 493, 494, 559, , 563
ESP10, 486, 491, 493, 493, 494, 561, , 565
ESP10, 490, 492, 493, 494, 494, 563, , 567
ESP10, 491, 491, 493, 494, 494, 565, , 569
ESP10, 491, 492, 494, 494, 495, 568, , 572
ESP10, 491, 492, 494, 495, 495, 570, , 574
ESP10, 491, 492, 493, 494, 495, 572, , 576
ESP10, 491, 493, 494, 495, 495, 574, , 578
ESP10, 492, 494, 495, 496, 496, 577, , 581
ESP10, 493, 494, 495, 496, 497, 579, , 583
ESP10, 493, 494, 495, 496, 496, 581, , 585
ESP10, 493, 494, 495, 496, 496, 584, , 588
ESP10, 494, 495, 496, 497, 497, 586, , 590
ESP10, 495, 496, 497, 498, 498, 588, , 592
ESP10, 494, 495, 497, 497, 498, 590, , 594
ESP10, 494, 495, 497, 497, 497, 593, , 597
ESP10, 495, 496, 497, 498, 498, 595, , 599
ESP10, 495, 496, 497, 498, 498, 597, , 601
ESP10, 496, 497, 498, 499, 499, 599, , 603
ESP10, 496, 496, 498, 499, 499, 602, , 606
ESP10, 495, 496, 497, 498, 499, 604, , 608
ESP10, 496, 497, 498, 499, 500, 606, , 610
ESP10, 496, 497, 498, 499, 500, 609, , 613
ESP10, 497, 498, 499, 500, 500, 611, , 615
ESP10, 497, 498, 499, 500, 500, 613, , 617
ESP10, 497, 498, 500, 500, 501, 615, , 619
ESP10, 498, 499, 500, 500, 501, 618, , 622
ESP10, 498, 499, 500, 501, 501, 620, , 624
ESP10, 498, 499, 500, 500, 501, 622, , 626
ESP10, 498, 499, 500, 501, 501, 624, , 628
ESP10, 498, 499, 500, 501, 501, 627, , 631
ESP10, 498, 499, 500, 501, 501, 629, , 633
ESP10, 498, 500, 501, 501, 502, 631, , 635
ESP10, 499, 500, 501, 502, 502, 634, , 638
ESP10, 499, 500, 501, 502, 502, 636, , 640
ESP10, 499, 500, 502, 502, 502, 638, , 642
ESP10, 500, 501, 502, 502, 503, 640, , 644
ESP10, 500, 501, 502, 503, 503, 643, , 647
ESP10, 500, 501, 502, 503, 503, 645, , 649
ESP10, 500, 502, 503, 503, 503, 647, , 651
ESP10, 501, 502, 503, 503, 504, 649, , 653
ESP10, 501, 503, 503, 504, 504, 652, , 656
ESP10, 501, 503, 504, 504, 505, 654, , 658
ESP10, 502, 503, 504, 504, 505, 656, , 660
ESP10, 503, 504, 505, 505, 506, 659, , 663
ESP10, 503, 504, 505, 506, 506, 661, , 665
ESP10, 503, 505, 506, 506, 507, 663, , 667
ESP10, 504, 505, 506, 507, 507, 665, , 669
ESP10, 504, 506, 507, 507, 508, 668, , 672
ESP10, 505, 506, 507, 507, 508, 670, , 674
ESP10, 515, 516, 517, 517, 517, 672, , 676
ESP10, 515, 516, 517, 517, 517, 674, , 678
ESP10, 515, 516, 517, 517, 517, 677, , 681
ESP10, 505, 506, 507, 507, 508, 679, , 683
ESP10, 505, 506, 507, 507, 507, 681, , 685
ESP10, 505, 507, 507, 508, 508, 683, , 687
ESP10, 506, 507, 508, 508, 509, 686, , 690
ESP10, 506, 507, 508, 508, 509, 688, , 692
ESP10, 506, 507, 508, 508, 509, 690, , 694
ESP10, 506, 507, 508, 508, 509, 693, , 697
ESP10, 506, 508, 508, 508, 509, 695, , 699
ESP10, 507, 508, 508, 509, 509, 697, , 701
ESP10, 507, 508, 508, 509, 509, 699, , 703
ESP10, 507, 508, 508, 509, 509, 702, , 706
ESP10, 506, 507, 508, 508, 509, 704, , 708
ESP10, 507, 508, 509, 509, 509, 706, , 710
ESP10, 506, 508, 509, 509, 509, 708, , 712
ESP10, 507, 508, 509, 509, 509, 711, , 715
ESP10, 507, 508, 509, 509, 510, 713, , 717
ESP10, 508, 509, 509, 510, 510, 715, , 719
ESP10, 508, 509, 509, 510, 510, 718, , 722
ESP10, 508, 509, 509, 510, 510, 720, , 724
ESP10, 508, 509, 510, 510, 510, 722, , 726
ESP10, 509, 510, 510, 510, 511, 724, , 728
ESP10, 509, 510, 510, 511, 511, 727, , 731
ESP10, 509, 510, 510, 511, 511, 729, , 733
ESP10, 510, 510, 511, 511, 511, 731, , 735
ESP10, 509, 510, 510, 511, 511, 733, , 737
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/WDHN2W_SQIN.ESPF10.csv
WDHN2W_SQIN.ESPF0.csv|2026-07-21
WDHN2W_SQIN.ESPF10.csv|2026-07-21
WDHN2W_SQIN.ESPFM.csv|2026-07-21
APR-SEP
OWYHEE - WILDHORSE DAM
(
WDHN2
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-07-21
Issued:
2026-07-21
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
2
16
100
47
16
APR-JUL
2
15
86
45
17
JAN-SEP
4
17
72
62
24
JAN-JUL
4
16
65
60
25
OCT-SEP
4
18
71
64
25
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/WDHN2W_SQIN.ESPF10.csv
WDHN2W_SQIN.ESPF0.csv|2026-07-21
WDHN2W_SQIN.ESPF10.csv|2026-07-21
WDHN2W_SQIN.ESPFM.csv|2026-07-21
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
