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Archive:
Water Year
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PAYETTE - NEAR HORSESHOE BEND
(
HRSI1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1192
1196
75
1208
1597
APR-JUL
1106
1106
75
1106
1484
APR-AUG
1150
1150
75
1152
1540
JAN-SEP
1669
1673
85
1685
1968
JAN-JUL
1583
1583
85
1583
1854
OCT-SEP
2019
2023
92
2034
2208
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
1192
1197
75
1208
1597
APR-JUL
1106
1106
75
1106
1484
APR-AUG
1150
1151
75
1153
1540
JAN-SEP
1669
1674
85
1685
1968
JAN-JUL
1583
1583
85
1583
1854
OCT-SEP
2019
2024
92
2035
2208
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
1193
1198
75
1217
1597
APR-JUL
1106
1106
75
1106
1484
APR-AUG
1150
1151
75
1159
1540
JAN-SEP
1670
1675
85
1694
1968
JAN-JUL
1583
1583
85
1583
1854
OCT-SEP
2019
2025
92
2044
2208
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 205, 277, 373, 436, 481, 70, , 74
ESP10, 203, 273, 370, 433, 479, 72, , 76
ESP10, 203, 272, 370, 432, 478, 74, , 78
ESP10, 207, 275, 374, 435, 481, 76, , 80
ESP10, 206, 274, 373, 434, 481, 78, , 82
ESP10, 203, 271, 370, 431, 479, 81, , 85
ESP10, 203, 269, 369, 429, 478, 83, , 87
ESP10, 205, 271, 373, 431, 479, 85, , 89
ESP10, 206, 272, 375, 432, 480, 87, , 91
ESP10, 201, 265, 370, 426, 476, 89, , 93
ESP10, 197, 261, 366, 422, 474, 91, , 95
ESP10, 201, 272, 371, 426, 478, 93, , 97
ESP10, 201, 275, 371, 427, 480, 95, , 99
ESP10, 202, 276, 372, 430, 481, 97, , 101
ESP10, 198, 270, 366, 430, 476, 99, , 103
ESP10, 186, 256, 354, 419, 466, 102, , 106
ESP10, 182, 247, 347, 413, 459, 104, , 108
ESP10, 185, 251, 354, 417, 462, 106, , 110
ESP10, 189, 254, 357, 420, 465, 108, , 112
ESP10, 194, 260, 364, 424, 468, 110, , 114
ESP10, 185, 249, 354, 414, 459, 112, , 116
ESP10, 193, 258, 360, 420, 465, 114, , 118
ESP10, 191, 257, 357, 421, 462, 116, , 120
ESP10, 203, 268, 366, 429, 470, 118, , 122
ESP10, 215, 276, 371, 437, 474, 120, , 124
ESP10, 218, 272, 368, 435, 470, 122, , 126
ESP10, 230, 279, 368, 438, 470, 125, , 129
ESP10, 234, 284, 370, 440, 473, 127, , 131
ESP10, 228, 277, 366, 435, 467, 129, , 133
ESP10, 217, 258, 350, 420, 456, 131, , 135
ESP10, 215, 264, 350, 417, 455, 133, , 137
ESP10, 210, 265, 345, 413, 452, 135, , 139
ESP10, 219, 278, 352, 418, 457, 137, , 141
ESP10, 226, 288, 359, 425, 466, 139, , 143
ESP10, 230, 292, 364, 428, 469, 141, , 145
ESP10, 230, 291, 365, 427, 469, 143, , 147
ESP10, 230, 298, 365, 425, 467, 145, , 149
ESP10, 221, 294, 357, 419, 461, 148, , 152
ESP10, 223, 297, 359, 421, 463, 150, , 154
ESP10, 223, 306, 359, 422, 463, 152, , 156
ESP10, 234, 318, 369, 433, 474, 154, , 158
ESP10, 237, 318, 374, 434, 476, 156, , 160
ESP10, 236, 319, 379, 434, 479, 158, , 162
ESP10, 241, 325, 381, 438, 483, 160, , 164
ESP10, 245, 330, 382, 441, 486, 162, , 166
ESP10, 244, 328, 382, 439, 491, 164, , 168
ESP10, 248, 331, 386, 442, 497, 166, , 170
ESP10, 253, 335, 391, 449, 502, 169, , 173
ESP10, 251, 332, 387, 447, 500, 171, , 175
ESP10, 248, 327, 384, 447, 498, 173, , 177
ESP10, 253, 330, 383, 454, 496, 175, , 179
ESP10, 253, 327, 381, 451, 494, 177, , 181
ESP10, 260, 336, 387, 457, 498, 179, , 183
ESP10, 265, 338, 394, 460, 500, 181, , 185
ESP10, 265, 338, 397, 459, 504, 183, , 187
ESP10, 266, 339, 400, 460, 505, 185, , 189
ESP10, 256, 330, 398, 456, 503, 187, , 191
ESP10, 259, 329, 402, 458, 502, 189, , 193
ESP10, 267, 336, 407, 463, 508, 192, , 196
ESP10, 259, 316, 392, 449, 493, 194, , 198
ESP10, 255, 310, 386, 444, 489, 196, , 200
ESP10, 269, 318, 394, 459, 496, 198, , 202
ESP10, 265, 311, 390, 454, 490, 200, , 204
ESP10, 252, 303, 381, 446, 480, 202, , 206
ESP10, 268, 312, 387, 452, 486, 204, , 208
ESP10, 259, 306, 375, 442, 476, 206, , 210
ESP10, 258, 307, 371, 440, 477, 208, , 212
ESP10, 269, 317, 380, 451, 483, 210, , 214
ESP10, 271, 322, 382, 454, 484, 212, , 216
ESP10, 267, 315, 373, 444, 479, 215, , 219
ESP10, 259, 309, 371, 439, 475, 217, , 221
ESP10, 246, 299, 361, 429, 465, 219, , 223
ESP10, 237, 289, 353, 423, 459, 221, , 225
ESP10, 238, 291, 355, 425, 462, 223, , 227
ESP10, 241, 290, 361, 426, 464, 225, , 229
ESP10, 234, 280, 350, 416, 461, 227, , 231
ESP10, 239, 282, 352, 418, 464, 229, , 233
ESP10, 251, 299, 360, 424, 469, 231, , 235
ESP10, 268, 314, 369, 429, 474, 233, , 237
ESP10, 270, 320, 373, 429, 475, 236, , 240
ESP10, 273, 320, 368, 426, 474, 238, , 242
ESP10, 278, 321, 374, 425, 474, 240, , 244
ESP10, 285, 324, 379, 429, 477, 242, , 246
ESP10, 283, 322, 376, 426, 474, 244, , 248
ESP10, 275, 314, 368, 418, 466, 246, , 250
ESP10, 274, 315, 371, 416, 468, 248, , 252
ESP10, 272, 317, 372, 415, 466, 250, , 254
ESP10, 276, 322, 377, 424, 469, 252, , 256
ESP10, 272, 317, 370, 420, 465, 254, , 258
ESP10, 277, 317, 372, 420, 465, 256, , 260
ESP10, 276, 305, 364, 411, 457, 259, , 263
ESP10, 272, 304, 362, 408, 454, 261, , 265
ESP10, 265, 305, 357, 398, 446, 263, , 267
ESP10, 269, 310, 357, 397, 451, 265, , 269
ESP10, 264, 307, 350, 391, 448, 267, , 271
ESP10, 264, 309, 349, 393, 447, 269, , 273
ESP10, 260, 304, 344, 392, 443, 271, , 275
ESP10, 264, 309, 346, 396, 445, 273, , 277
ESP10, 265, 313, 347, 399, 446, 275, , 279
ESP10, 272, 313, 346, 396, 444, 277, , 281
ESP10, 287, 318, 348, 396, 445, 279, , 283
ESP10, 293, 319, 348, 397, 445, 282, , 286
ESP10, 294, 318, 348, 403, 444, 284, , 288
ESP10, 297, 319, 349, 404, 444, 286, , 290
ESP10, 300, 322, 353, 406, 445, 288, , 292
ESP10, 299, 323, 353, 409, 444, 290, , 294
ESP10, 295, 320, 353, 405, 441, 292, , 296
ESP10, 299, 323, 362, 409, 446, 294, , 298
ESP10, 299, 327, 368, 410, 447, 296, , 300
ESP10, 301, 330, 372, 417, 451, 298, , 302
ESP10, 298, 335, 370, 420, 450, 300, , 304
ESP10, 304, 340, 377, 424, 454, 303, , 307
ESP10, 307, 342, 378, 426, 455, 305, , 309
ESP10, 309, 343, 381, 427, 456, 307, , 311
ESP10, 310, 345, 382, 428, 456, 309, , 313
ESP10, 316, 346, 382, 429, 457, 311, , 315
ESP10, 316, 347, 384, 431, 457, 313, , 317
ESP10, 319, 346, 386, 433, 456, 315, , 319
ESP10, 324, 348, 387, 433, 454, 317, , 321
ESP10, 324, 351, 390, 439, 454, 319, , 323
ESP10, 325, 353, 394, 439, 456, 321, , 325
ESP10, 321, 356, 393, 436, 453, 323, , 327
ESP10, 321, 357, 393, 438, 456, 326, , 330
ESP10, 313, 351, 385, 433, 450, 328, , 332
ESP10, 316, 352, 387, 432, 450, 330, , 334
ESP10, 320, 359, 390, 435, 452, 332, , 336
ESP10, 323, 358, 389, 435, 452, 334, , 338
ESP10, 317, 353, 385, 431, 448, 336, , 340
ESP10, 313, 355, 383, 429, 444, 338, , 342
ESP10, 317, 353, 382, 426, 441, 340, , 344
ESP10, 308, 348, 375, 416, 431, 342, , 346
ESP10, 309, 346, 376, 416, 432, 344, , 348
ESP10, 312, 349, 378, 417, 435, 346, , 350
ESP10, 317, 354, 379, 419, 438, 349, , 353
ESP10, 324, 359, 388, 423, 445, 351, , 355
ESP10, 321, 355, 384, 423, 445, 353, , 357
ESP10, 313, 345, 375, 416, 442, 355, , 359
ESP10, 315, 346, 376, 418, 445, 357, , 361
ESP10, 300, 331, 359, 404, 431, 359, , 363
ESP10, 318, 356, 378, 424, 449, 361, , 365
ESP10, 319, 352, 374, 420, 444, 363, , 367
ESP10, 326, 358, 384, 425, 448, 365, , 369
ESP10, 338, 370, 402, 436, 458, 367, , 371
ESP10, 334, 366, 402, 433, 454, 370, , 374
ESP10, 335, 367, 403, 434, 454, 372, , 376
ESP10, 339, 370, 408, 436, 456, 374, , 378
ESP10, 341, 373, 411, 438, 459, 376, , 380
ESP10, 334, 370, 406, 431, 451, 378, , 382
ESP10, 329, 367, 406, 427, 447, 380, , 384
ESP10, 329, 365, 404, 425, 446, 382, , 386
ESP10, 339, 373, 409, 431, 453, 384, , 388
ESP10, 342, 376, 409, 434, 453, 386, , 390
ESP10, 342, 374, 408, 433, 451, 388, , 392
ESP10, 339, 367, 403, 429, 443, 390, , 394
ESP10, 349, 370, 411, 433, 447, 393, , 397
ESP10, 348, 370, 407, 429, 444, 395, , 399
ESP10, 349, 372, 408, 430, 448, 397, , 401
ESP10, 345, 369, 406, 428, 448, 399, , 403
ESP10, 347, 369, 406, 430, 447, 401, , 405
ESP10, 360, 379, 415, 441, 458, 403, , 407
ESP10, 358, 377, 414, 438, 455, 405, , 409
ESP10, 351, 370, 406, 431, 447, 407, , 411
ESP10, 371, 394, 424, 450, 464, 409, , 413
ESP10, 374, 398, 428, 453, 467, 411, , 415
ESP10, 380, 401, 429, 456, 472, 413, , 417
ESP10, 382, 403, 427, 456, 470, 416, , 420
ESP10, 381, 397, 422, 450, 463, 418, , 422
ESP10, 387, 403, 428, 457, 467, 420, , 424
ESP10, 394, 413, 435, 464, 473, 422, , 426
ESP10, 399, 418, 439, 468, 475, 424, , 428
ESP10, 403, 421, 439, 466, 473, 426, , 430
ESP10, 406, 427, 443, 468, 476, 428, , 432
ESP10, 404, 425, 441, 466, 474, 430, , 434
ESP10, 390, 413, 428, 453, 461, 432, , 436
ESP10, 388, 412, 427, 450, 458, 434, , 438
ESP10, 392, 417, 433, 453, 462, 437, , 441
ESP10, 387, 410, 425, 447, 460, 439, , 443
ESP10, 392, 414, 429, 452, 464, 441, , 445
ESP10, 395, 413, 433, 451, 468, 443, , 447
ESP10, 396, 414, 436, 451, 466, 445, , 449
ESP10, 396, 412, 436, 450, 464, 447, , 451
ESP10, 395, 408, 434, 447, 458, 449, , 453
ESP10, 393, 407, 433, 446, 456, 451, , 455
ESP10, 395, 410, 435, 447, 458, 453, , 457
ESP10, 391, 408, 432, 446, 455, 455, , 459
ESP10, 389, 406, 429, 446, 453, 457, , 461
ESP10, 391, 407, 429, 449, 453, 460, , 464
ESP10, 391, 409, 431, 450, 453, 462, , 466
ESP10, 378, 397, 420, 439, 444, 464, , 468
ESP10, 372, 394, 417, 433, 439, 466, , 470
ESP10, 367, 393, 413, 430, 437, 468, , 472
ESP10, 364, 393, 413, 427, 434, 470, , 474
ESP10, 359, 387, 408, 421, 429, 472, , 476
ESP10, 364, 383, 404, 416, 424, 474, , 478
ESP10, 369, 382, 408, 417, 423, 476, , 480
ESP10, 374, 389, 414, 422, 430, 478, , 482
ESP10, 378, 393, 416, 424, 432, 480, , 484
ESP10, 375, 392, 414, 421, 431, 483, , 487
ESP10, 375, 393, 411, 418, 428, 485, , 489
ESP10, 374, 393, 411, 417, 427, 487, , 491
ESP10, 374, 390, 408, 414, 424, 489, , 493
ESP10, 375, 392, 411, 417, 426, 491, , 495
ESP10, 374, 391, 410, 415, 424, 493, , 497
ESP10, 381, 398, 415, 421, 429, 495, , 499
ESP10, 381, 399, 415, 421, 428, 497, , 501
ESP10, 384, 401, 416, 422, 430, 499, , 503
ESP10, 383, 403, 415, 422, 429, 501, , 505
ESP10, 382, 405, 414, 421, 428, 504, , 508
ESP10, 384, 409, 417, 424, 429, 506, , 510
ESP10, 384, 410, 418, 425, 431, 508, , 512
ESP10, 383, 407, 416, 425, 429, 510, , 514
ESP10, 388, 409, 418, 426, 430, 512, , 516
ESP10, 388, 409, 418, 426, 431, 514, , 518
ESP10, 389, 409, 419, 426, 432, 516, , 520
ESP10, 391, 410, 421, 427, 433, 518, , 522
ESP10, 397, 412, 421, 427, 433, 520, , 524
ESP10, 395, 410, 416, 423, 428, 522, , 526
ESP10, 395, 413, 418, 424, 429, 524, , 528
ESP10, 396, 411, 418, 423, 427, 527, , 531
ESP10, 395, 410, 417, 422, 426, 529, , 533
ESP10, 399, 410, 419, 424, 426, 531, , 535
ESP10, 398, 407, 416, 421, 423, 533, , 537
ESP10, 404, 412, 420, 425, 428, 535, , 539
ESP10, 404, 412, 421, 426, 429, 537, , 541
ESP10, 406, 412, 421, 425, 428, 539, , 543
ESP10, 407, 412, 420, 424, 428, 541, , 545
ESP10, 410, 414, 420, 425, 428, 543, , 547
ESP10, 411, 415, 421, 425, 428, 545, , 549
ESP10, 412, 416, 422, 426, 428, 547, , 551
ESP10, 412, 416, 423, 426, 429, 550, , 554
ESP10, 410, 416, 421, 425, 427, 552, , 556
ESP10, 412, 417, 422, 427, 429, 554, , 558
ESP10, 411, 417, 423, 426, 428, 556, , 560
ESP10, 410, 416, 422, 425, 427, 558, , 562
ESP10, 407, 414, 420, 422, 424, 560, , 564
ESP10, 410, 415, 420, 423, 424, 562, , 566
ESP10, 412, 417, 421, 424, 425, 564, , 568
ESP10, 410, 413, 417, 419, 420, 566, , 570
ESP10, 413, 415, 419, 421, 422, 568, , 572
ESP10, 414, 416, 419, 421, 423, 571, , 575
ESP10, 415, 417, 420, 422, 423, 573, , 577
ESP10, 414, 417, 420, 422, 423, 575, , 579
ESP10, 415, 417, 420, 422, 423, 577, , 581
ESP10, 415, 416, 420, 421, 422, 579, , 583
ESP10, 415, 417, 420, 421, 422, 581, , 585
ESP10, 414, 417, 420, 421, 422, 583, , 587
ESP10, 413, 415, 418, 419, 420, 585, , 589
ESP10, 413, 416, 418, 420, 420, 587, , 591
ESP10, 414, 417, 419, 420, 421, 589, , 593
ESP10, 413, 416, 418, 419, 420, 591, , 595
ESP10, 415, 417, 419, 420, 421, 594, , 598
ESP10, 414, 417, 419, 420, 421, 596, , 600
ESP10, 415, 418, 419, 420, 421, 598, , 602
ESP10, 415, 418, 420, 421, 422, 600, , 604
ESP10, 415, 418, 420, 421, 422, 602, , 606
ESP10, 415, 418, 419, 420, 421, 604, , 608
ESP10, 416, 418, 419, 420, 421, 606, , 610
ESP10, 416, 418, 420, 420, 421, 608, , 612
ESP10, 416, 417, 419, 420, 421, 610, , 614
ESP10, 416, 417, 419, 420, 421, 612, , 616
ESP10, 416, 418, 420, 420, 421, 614, , 618
ESP10, 416, 418, 420, 420, 421, 617, , 621
ESP10, 415, 417, 419, 420, 421, 619, , 623
ESP10, 416, 417, 419, 420, 420, 621, , 625
ESP10, 415, 416, 418, 419, 420, 623, , 627
ESP10, 415, 416, 418, 419, 419, 625, , 629
ESP10, 415, 416, 418, 419, 419, 627, , 631
ESP10, 414, 415, 417, 418, 418, 629, , 633
ESP10, 413, 415, 416, 417, 418, 631, , 635
ESP10, 412, 413, 415, 416, 416, 633, , 637
ESP10, 411, 412, 414, 415, 415, 635, , 639
ESP10, 411, 412, 414, 415, 415, 638, , 642
ESP10, 410, 412, 413, 415, 415, 640, , 644
ESP10, 410, 412, 413, 414, 415, 642, , 646
ESP10, 410, 412, 413, 414, 415, 644, , 648
ESP10, 410, 411, 413, 414, 414, 646, , 650
ESP10, 410, 411, 413, 414, 414, 648, , 652
ESP10, 410, 411, 413, 414, 414, 650, , 654
ESP10, 410, 412, 413, 414, 414, 652, , 656
ESP10, 410, 412, 413, 414, 414, 654, , 658
ESP10, 410, 412, 413, 414, 415, 656, , 660
ESP10, 410, 412, 413, 414, 414, 658, , 662
ESP10, 410, 412, 413, 414, 414, 661, , 665
ESP10, 410, 412, 414, 414, 415, 663, , 667
ESP10, 410, 412, 413, 414, 415, 665, , 669
ESP10, 410, 412, 413, 414, 414, 667, , 671
ESP10, 410, 412, 413, 414, 415, 669, , 673
ESP10, 410, 411, 413, 414, 414, 671, , 675
ESP10, 410, 411, 413, 414, 414, 673, , 677
ESP10, 410, 412, 413, 414, 414, 675, , 679
ESP10, 410, 412, 413, 414, 415, 677, , 681
ESP10, 410, 412, 413, 414, 415, 679, , 683
ESP10, 410, 412, 413, 414, 414, 681, , 685
ESP10, 410, 412, 413, 414, 415, 684, , 688
ESP10, 410, 412, 413, 414, 415, 686, , 690
ESP10, 410, 412, 413, 414, 415, 688, , 692
ESP10, 410, 412, 414, 414, 415, 690, , 694
ESP10, 410, 412, 414, 414, 415, 692, , 696
ESP10, 411, 412, 414, 415, 415, 694, , 698
ESP10, 411, 413, 414, 415, 415, 696, , 700
ESP10, 411, 413, 414, 415, 415, 698, , 702
ESP10, 411, 413, 414, 415, 415, 700, , 704
ESP10, 411, 413, 414, 415, 415, 702, , 706
ESP10, 411, 413, 414, 415, 415, 705, , 709
ESP10, 411, 413, 414, 415, 415, 707, , 711
ESP10, 412, 414, 415, 416, 416, 709, , 713
ESP10, 412, 414, 416, 416, 417, 711, , 715
ESP10, 413, 415, 416, 417, 417, 713, , 717
ESP10, 413, 415, 416, 417, 417, 715, , 719
ESP10, 413, 415, 416, 417, 417, 717, , 721
ESP10, 413, 415, 416, 417, 417, 719, , 723
ESP10, 413, 415, 416, 417, 417, 721, , 725
ESP10, 413, 415, 416, 417, 417, 723, , 727
ESP10, 413, 415, 416, 416, 417, 725, , 729
ESP10, 414, 415, 416, 416, 417, 728, , 732
ESP10, 414, 415, 416, 417, 417, 730, , 734
ESP10, 414, 415, 416, 416, 417, 732, , 736
ESP10, 414, 415, 416, 416, 417, 734, , 738
Max Scale
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Scale To Last 45 Days
Show Min/Max Ensemble Volume
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/HRSI1W_SQIN.ESPF10.csv
HRSI1W_SQIN.ESPF0.csv|2026-08-15
HRSI1W_SQIN.ESPF10.csv|2026-08-15
HRSI1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
PAYETTE - NEAR HORSESHOE BEND
(
HRSI1
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
783
1349
84
2315
1597
APR-JUL
706
1201
81
2154
1484
APR-AUG
743
1256
82
2248
1540
JAN-SEP
1084
1591
81
2870
1968
JAN-JUL
1006
1493
81
2701
1854
OCT-SEP
1266
1815
82
3092
2208
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/HRSI1W_SQIN.ESPF10.csv
HRSI1W_SQIN.ESPF0.csv|2026-08-15
HRSI1W_SQIN.ESPF10.csv|2026-08-15
HRSI1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
