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Archive:
Water Year
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JOHN DAY - AT SERVICE CK
(
SERO3
)
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
274
275
34
277
798
APR-JUL
271
271
35
271
781
APR-AUG
273
273
35
273
790
JAN-SEP
541
541
42
544
1279
JAN-JUL
538
538
43
538
1262
OCT-SEP
658
659
47
661
1392
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
274
275
34
277
798
APR-JUL
271
271
35
271
781
APR-AUG
273
273
35
273
790
JAN-SEP
541
542
42
544
1279
JAN-JUL
538
538
43
538
1262
OCT-SEP
658
659
47
661
1392
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
273
274
34
276
798
APR-JUL
271
271
35
271
781
APR-AUG
272
272
34
273
790
JAN-SEP
539
540
42
542
1279
JAN-JUL
538
538
43
538
1262
OCT-SEP
657
658
47
660
1392
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 175, 273, 345, 402, 440, 70, , 74
ESP10, 173, 271, 343, 401, 439, 72, , 76
ESP10, 172, 271, 342, 399, 438, 74, , 78
ESP10, 173, 272, 344, 400, 439, 76, , 80
ESP10, 173, 272, 344, 401, 438, 78, , 82
ESP10, 168, 269, 342, 397, 436, 81, , 85
ESP10, 168, 270, 342, 397, 436, 83, , 87
ESP10, 170, 272, 344, 399, 437, 85, , 89
ESP10, 170, 272, 344, 399, 437, 87, , 91
ESP10, 169, 272, 344, 399, 438, 89, , 93
ESP10, 166, 270, 344, 397, 436, 91, , 95
ESP10, 167, 271, 345, 401, 437, 93, , 97
ESP10, 165, 270, 344, 400, 438, 95, , 99
ESP10, 164, 270, 344, 400, 438, 97, , 101
ESP10, 159, 267, 341, 396, 434, 99, , 103
ESP10, 152, 261, 338, 393, 430, 102, , 106
ESP10, 151, 260, 338, 392, 429, 104, , 108
ESP10, 152, 262, 340, 394, 430, 106, , 110
ESP10, 157, 270, 343, 398, 433, 108, , 112
ESP10, 159, 274, 345, 401, 434, 110, , 114
ESP10, 156, 270, 343, 398, 431, 112, , 116
ESP10, 161, 272, 346, 401, 433, 114, , 118
ESP10, 161, 271, 344, 398, 431, 116, , 120
ESP10, 175, 278, 356, 405, 437, 118, , 122
ESP10, 183, 284, 366, 409, 441, 120, , 124
ESP10, 184, 285, 367, 408, 441, 122, , 126
ESP10, 184, 286, 368, 407, 445, 125, , 129
ESP10, 185, 287, 368, 406, 444, 127, , 131
ESP10, 186, 285, 364, 406, 444, 129, , 133
ESP10, 185, 280, 356, 401, 440, 131, , 135
ESP10, 184, 278, 355, 404, 442, 133, , 137
ESP10, 184, 276, 352, 403, 440, 135, , 139
ESP10, 187, 277, 353, 405, 441, 137, , 141
ESP10, 190, 278, 354, 406, 442, 139, , 143
ESP10, 194, 282, 357, 409, 445, 141, , 145
ESP10, 197, 282, 357, 409, 445, 143, , 147
ESP10, 201, 283, 357, 413, 445, 145, , 149
ESP10, 205, 280, 354, 413, 442, 148, , 152
ESP10, 207, 282, 355, 414, 443, 150, , 154
ESP10, 207, 280, 353, 413, 442, 152, , 156
ESP10, 214, 286, 361, 417, 445, 154, , 158
ESP10, 235, 290, 365, 421, 448, 156, , 160
ESP10, 241, 287, 363, 418, 446, 158, , 162
ESP10, 252, 295, 374, 424, 452, 160, , 164
ESP10, 253, 293, 373, 422, 449, 162, , 166
ESP10, 254, 291, 371, 421, 447, 164, , 168
ESP10, 269, 300, 379, 428, 456, 166, , 170
ESP10, 279, 304, 379, 429, 457, 169, , 173
ESP10, 277, 306, 378, 429, 456, 171, , 175
ESP10, 274, 305, 378, 432, 459, 173, , 177
ESP10, 272, 304, 377, 431, 459, 175, , 179
ESP10, 269, 299, 375, 432, 455, 177, , 181
ESP10, 280, 310, 385, 437, 462, 179, , 183
ESP10, 283, 313, 388, 439, 464, 181, , 185
ESP10, 275, 309, 384, 437, 459, 183, , 187
ESP10, 279, 319, 388, 441, 464, 185, , 189
ESP10, 272, 314, 385, 439, 462, 187, , 191
ESP10, 280, 320, 389, 443, 470, 189, , 193
ESP10, 277, 323, 383, 439, 465, 192, , 196
ESP10, 269, 313, 377, 434, 457, 194, , 198
ESP10, 256, 303, 373, 425, 450, 196, , 200
ESP10, 264, 308, 376, 429, 454, 198, , 202
ESP10, 262, 311, 375, 428, 453, 200, , 204
ESP10, 253, 303, 368, 420, 446, 202, , 206
ESP10, 260, 305, 370, 428, 450, 204, , 208
ESP10, 274, 316, 375, 435, 463, 206, , 210
ESP10, 268, 308, 373, 435, 458, 208, , 212
ESP10, 282, 327, 382, 447, 470, 210, , 214
ESP10, 284, 330, 381, 446, 468, 212, , 216
ESP10, 280, 327, 377, 437, 462, 215, , 219
ESP10, 282, 326, 377, 433, 462, 217, , 221
ESP10, 276, 322, 372, 431, 461, 219, , 223
ESP10, 266, 316, 369, 427, 457, 221, , 225
ESP10, 270, 314, 369, 426, 453, 223, , 227
ESP10, 278, 317, 372, 429, 455, 225, , 229
ESP10, 275, 316, 371, 429, 455, 227, , 231
ESP10, 275, 318, 369, 428, 456, 229, , 233
ESP10, 281, 331, 373, 430, 461, 231, , 235
ESP10, 291, 343, 381, 434, 467, 233, , 237
ESP10, 294, 343, 380, 437, 465, 236, , 240
ESP10, 292, 347, 381, 436, 463, 238, , 242
ESP10, 295, 352, 384, 438, 466, 240, , 244
ESP10, 298, 354, 386, 442, 467, 242, , 246
ESP10, 300, 353, 387, 443, 467, 244, , 248
ESP10, 299, 355, 387, 439, 466, 246, , 250
ESP10, 284, 345, 379, 427, 457, 248, , 252
ESP10, 291, 353, 387, 432, 462, 250, , 254
ESP10, 293, 353, 387, 432, 463, 252, , 256
ESP10, 296, 352, 386, 432, 462, 254, , 258
ESP10, 304, 354, 386, 434, 464, 256, , 260
ESP10, 313, 356, 388, 433, 463, 259, , 263
ESP10, 320, 356, 388, 434, 463, 261, , 265
ESP10, 322, 354, 386, 434, 460, 263, , 267
ESP10, 317, 350, 383, 430, 458, 265, , 269
ESP10, 317, 351, 383, 433, 460, 267, , 271
ESP10, 318, 352, 383, 435, 459, 269, , 273
ESP10, 317, 353, 382, 434, 456, 271, , 275
ESP10, 326, 363, 392, 439, 459, 273, , 277
ESP10, 329, 364, 395, 441, 459, 275, , 279
ESP10, 335, 370, 398, 443, 460, 277, , 281
ESP10, 338, 373, 401, 444, 464, 279, , 283
ESP10, 341, 374, 404, 445, 467, 282, , 286
ESP10, 345, 377, 404, 447, 469, 284, , 288
ESP10, 349, 377, 409, 448, 469, 286, , 290
ESP10, 350, 377, 411, 448, 471, 288, , 292
ESP10, 350, 378, 412, 451, 471, 290, , 294
ESP10, 350, 378, 412, 451, 471, 292, , 296
ESP10, 351, 381, 415, 452, 473, 294, , 298
ESP10, 351, 380, 417, 452, 473, 296, , 300
ESP10, 354, 384, 422, 454, 478, 298, , 302
ESP10, 354, 387, 422, 453, 481, 300, , 304
ESP10, 353, 387, 423, 453, 482, 303, , 307
ESP10, 354, 388, 425, 453, 482, 305, , 309
ESP10, 359, 390, 427, 455, 484, 307, , 311
ESP10, 359, 391, 431, 456, 484, 309, , 313
ESP10, 362, 388, 431, 456, 481, 311, , 315
ESP10, 368, 389, 431, 458, 481, 313, , 317
ESP10, 370, 388, 431, 456, 481, 315, , 319
ESP10, 372, 393, 433, 458, 481, 317, , 321
ESP10, 373, 397, 435, 462, 483, 319, , 323
ESP10, 375, 402, 436, 465, 484, 321, , 325
ESP10, 375, 402, 436, 466, 484, 323, , 327
ESP10, 374, 403, 436, 466, 483, 326, , 330
ESP10, 372, 401, 436, 466, 481, 328, , 332
ESP10, 375, 408, 437, 468, 482, 330, , 334
ESP10, 380, 412, 442, 472, 485, 332, , 336
ESP10, 376, 411, 444, 470, 484, 334, , 338
ESP10, 374, 412, 443, 471, 488, 336, , 340
ESP10, 380, 412, 444, 472, 488, 338, , 342
ESP10, 377, 408, 439, 468, 487, 340, , 344
ESP10, 376, 406, 437, 466, 488, 342, , 346
ESP10, 380, 411, 440, 472, 492, 344, , 348
ESP10, 373, 403, 433, 467, 489, 346, , 350
ESP10, 373, 405, 436, 468, 487, 349, , 353
ESP10, 374, 405, 438, 467, 486, 351, , 355
ESP10, 367, 400, 433, 463, 481, 353, , 357
ESP10, 365, 398, 430, 461, 479, 355, , 359
ESP10, 372, 404, 434, 466, 482, 357, , 361
ESP10, 366, 398, 427, 462, 480, 359, , 363
ESP10, 382, 414, 445, 478, 492, 361, , 365
ESP10, 383, 414, 448, 480, 493, 363, , 367
ESP10, 391, 419, 454, 483, 495, 365, , 369
ESP10, 396, 422, 459, 486, 496, 367, , 371
ESP10, 395, 425, 458, 485, 494, 370, , 374
ESP10, 396, 424, 458, 484, 493, 372, , 376
ESP10, 398, 426, 461, 488, 495, 374, , 378
ESP10, 400, 426, 462, 491, 497, 376, , 380
ESP10, 397, 420, 458, 487, 495, 378, , 382
ESP10, 390, 415, 454, 483, 490, 380, , 384
ESP10, 394, 414, 454, 482, 490, 382, , 386
ESP10, 403, 418, 458, 486, 494, 384, , 388
ESP10, 401, 417, 459, 486, 494, 386, , 390
ESP10, 401, 418, 458, 484, 494, 388, , 392
ESP10, 399, 415, 453, 480, 492, 390, , 394
ESP10, 404, 424, 458, 484, 497, 393, , 397
ESP10, 406, 427, 461, 486, 499, 395, , 399
ESP10, 405, 428, 460, 485, 500, 397, , 401
ESP10, 405, 426, 460, 483, 499, 399, , 403
ESP10, 411, 436, 465, 487, 503, 401, , 405
ESP10, 414, 439, 467, 490, 505, 403, , 407
ESP10, 412, 437, 465, 488, 504, 405, , 409
ESP10, 411, 434, 462, 486, 503, 407, , 411
ESP10, 416, 440, 466, 491, 507, 409, , 413
ESP10, 420, 448, 469, 495, 508, 411, , 415
ESP10, 419, 448, 468, 492, 507, 413, , 417
ESP10, 431, 450, 469, 493, 508, 416, , 420
ESP10, 434, 447, 470, 492, 507, 418, , 422
ESP10, 436, 451, 473, 492, 507, 420, , 424
ESP10, 439, 459, 478, 494, 509, 422, , 426
ESP10, 442, 461, 482, 496, 511, 424, , 428
ESP10, 441, 461, 481, 494, 510, 426, , 430
ESP10, 445, 464, 484, 494, 510, 428, , 432
ESP10, 450, 469, 485, 496, 510, 430, , 434
ESP10, 438, 458, 477, 488, 502, 432, , 436
ESP10, 438, 461, 479, 490, 501, 434, , 438
ESP10, 444, 465, 484, 495, 503, 437, , 441
ESP10, 441, 459, 478, 491, 500, 439, , 443
ESP10, 445, 460, 480, 491, 498, 441, , 445
ESP10, 448, 467, 485, 494, 500, 443, , 447
ESP10, 448, 467, 486, 495, 500, 445, , 449
ESP10, 448, 467, 485, 493, 496, 447, , 451
ESP10, 453, 469, 488, 497, 498, 449, , 453
ESP10, 447, 465, 483, 495, 499, 451, , 455
ESP10, 451, 470, 487, 498, 501, 453, , 457
ESP10, 450, 472, 487, 498, 501, 455, , 459
ESP10, 456, 475, 490, 501, 502, 457, , 461
ESP10, 461, 473, 488, 501, 502, 460, , 464
ESP10, 464, 475, 491, 501, 502, 462, , 466
ESP10, 444, 456, 478, 486, 488, 464, , 468
ESP10, 431, 445, 467, 476, 478, 466, , 470
ESP10, 435, 449, 473, 483, 484, 468, , 472
ESP10, 431, 445, 469, 479, 480, 470, , 474
ESP10, 422, 435, 460, 473, 474, 472, , 476
ESP10, 420, 436, 458, 472, 475, 474, , 478
ESP10, 421, 435, 458, 468, 471, 476, , 480
ESP10, 431, 444, 471, 475, 476, 478, , 482
ESP10, 432, 450, 472, 475, 476, 480, , 484
ESP10, 428, 441, 464, 468, 469, 483, , 487
ESP10, 418, 431, 454, 457, 459, 485, , 489
ESP10, 411, 429, 447, 449, 451, 487, , 491
ESP10, 414, 435, 447, 450, 451, 489, , 493
ESP10, 417, 434, 448, 451, 452, 491, , 495
ESP10, 415, 433, 444, 447, 448, 493, , 497
ESP10, 426, 444, 456, 458, 459, 495, , 499
ESP10, 421, 439, 458, 461, 463, 497, , 501
ESP10, 420, 442, 453, 457, 458, 499, , 503
ESP10, 415, 440, 451, 453, 454, 501, , 505
ESP10, 408, 436, 446, 447, 448, 504, , 508
ESP10, 413, 439, 446, 448, 449, 506, , 510
ESP10, 423, 446, 451, 452, 454, 508, , 512
ESP10, 427, 447, 452, 454, 455, 510, , 514
ESP10, 433, 448, 453, 454, 455, 512, , 516
ESP10, 435, 449, 453, 455, 456, 514, , 518
ESP10, 436, 449, 453, 455, 456, 516, , 520
ESP10, 446, 454, 457, 458, 459, 518, , 522
ESP10, 449, 455, 457, 458, 459, 520, , 524
ESP10, 449, 455, 457, 458, 459, 522, , 526
ESP10, 452, 455, 457, 458, 459, 524, , 528
ESP10, 453, 456, 457, 458, 459, 527, , 531
ESP10, 453, 456, 457, 458, 459, 529, , 533
ESP10, 455, 457, 458, 459, 460, 531, , 535
ESP10, 455, 457, 458, 459, 460, 533, , 537
ESP10, 456, 458, 459, 460, 460, 535, , 539
ESP10, 456, 458, 459, 460, 461, 537, , 541
ESP10, 456, 458, 459, 460, 461, 539, , 543
ESP10, 456, 458, 459, 460, 461, 541, , 545
ESP10, 460, 462, 462, 463, 463, 543, , 547
ESP10, 461, 462, 463, 464, 464, 545, , 549
ESP10, 461, 463, 463, 464, 464, 547, , 551
ESP10, 461, 463, 463, 464, 464, 550, , 554
ESP10, 462, 463, 463, 464, 464, 552, , 556
ESP10, 463, 464, 465, 465, 466, 554, , 558
ESP10, 464, 464, 465, 465, 466, 556, , 560
ESP10, 464, 464, 465, 465, 466, 558, , 562
ESP10, 463, 464, 465, 465, 465, 560, , 564
ESP10, 463, 464, 465, 465, 465, 562, , 566
ESP10, 464, 465, 465, 465, 466, 564, , 568
ESP10, 464, 465, 465, 465, 466, 566, , 570
ESP10, 464, 465, 465, 466, 466, 568, , 572
ESP10, 464, 464, 465, 465, 465, 571, , 575
ESP10, 464, 464, 465, 465, 465, 573, , 577
ESP10, 463, 464, 464, 465, 465, 575, , 579
ESP10, 464, 464, 465, 465, 465, 577, , 581
ESP10, 464, 465, 465, 465, 465, 579, , 583
ESP10, 464, 465, 465, 465, 466, 581, , 585
ESP10, 465, 465, 465, 466, 466, 583, , 587
ESP10, 464, 465, 465, 465, 466, 585, , 589
ESP10, 465, 465, 466, 466, 466, 587, , 591
ESP10, 465, 465, 466, 466, 466, 589, , 593
ESP10, 465, 466, 466, 466, 466, 591, , 595
ESP10, 465, 465, 466, 466, 466, 594, , 598
ESP10, 465, 466, 466, 466, 466, 596, , 600
ESP10, 465, 466, 466, 466, 466, 598, , 602
ESP10, 465, 466, 466, 466, 466, 600, , 604
ESP10, 465, 466, 466, 466, 466, 602, , 606
ESP10, 465, 466, 466, 466, 466, 604, , 608
ESP10, 465, 466, 466, 466, 466, 606, , 610
ESP10, 466, 466, 466, 466, 466, 608, , 612
ESP10, 466, 466, 466, 466, 466, 610, , 614
ESP10, 466, 466, 466, 466, 467, 612, , 616
ESP10, 466, 466, 466, 467, 467, 614, , 618
ESP10, 466, 466, 466, 467, 467, 617, , 621
ESP10, 466, 466, 467, 467, 467, 619, , 623
ESP10, 466, 466, 466, 467, 467, 621, , 625
ESP10, 466, 466, 466, 466, 467, 623, , 627
ESP10, 466, 466, 467, 467, 467, 625, , 629
ESP10, 466, 466, 466, 466, 467, 627, , 631
ESP10, 466, 466, 466, 466, 466, 629, , 633
ESP10, 466, 466, 466, 466, 466, 631, , 635
ESP10, 466, 466, 466, 466, 466, 633, , 637
ESP10, 466, 466, 466, 466, 466, 635, , 639
ESP10, 466, 466, 466, 466, 466, 638, , 642
ESP10, 466, 466, 466, 466, 466, 640, , 644
ESP10, 466, 466, 466, 466, 466, 642, , 646
ESP10, 465, 466, 466, 466, 466, 644, , 648
ESP10, 465, 466, 466, 466, 466, 646, , 650
ESP10, 465, 466, 466, 466, 466, 648, , 652
ESP10, 465, 465, 466, 466, 466, 650, , 654
ESP10, 465, 465, 466, 466, 466, 652, , 656
ESP10, 465, 465, 466, 466, 466, 654, , 658
ESP10, 465, 465, 465, 466, 466, 656, , 660
ESP10, 465, 465, 465, 466, 466, 658, , 662
ESP10, 465, 465, 465, 465, 465, 661, , 665
ESP10, 465, 465, 465, 465, 465, 663, , 667
ESP10, 465, 465, 465, 465, 465, 665, , 669
ESP10, 465, 465, 465, 465, 465, 667, , 671
ESP10, 465, 465, 465, 465, 465, 669, , 673
ESP10, 465, 465, 465, 465, 465, 671, , 675
ESP10, 465, 465, 465, 465, 465, 673, , 677
ESP10, 465, 465, 465, 465, 465, 675, , 679
ESP10, 464, 465, 465, 465, 465, 677, , 681
ESP10, 464, 465, 465, 465, 465, 679, , 683
ESP10, 464, 465, 465, 465, 465, 681, , 685
ESP10, 464, 465, 465, 465, 465, 684, , 688
ESP10, 464, 465, 465, 465, 465, 686, , 690
ESP10, 464, 465, 465, 465, 465, 688, , 692
ESP10, 464, 465, 465, 465, 465, 690, , 694
ESP10, 464, 465, 465, 465, 465, 692, , 696
ESP10, 464, 465, 465, 465, 465, 694, , 698
ESP10, 464, 465, 465, 465, 465, 696, , 700
ESP10, 464, 464, 465, 465, 465, 698, , 702
ESP10, 464, 464, 465, 465, 465, 700, , 704
ESP10, 464, 465, 465, 465, 465, 702, , 706
ESP10, 464, 464, 465, 465, 465, 705, , 709
ESP10, 464, 465, 465, 465, 465, 707, , 711
ESP10, 464, 465, 465, 465, 465, 709, , 713
ESP10, 464, 465, 465, 465, 465, 711, , 715
ESP10, 464, 465, 465, 465, 465, 713, , 717
ESP10, 464, 465, 465, 465, 465, 715, , 719
ESP10, 464, 465, 465, 465, 465, 717, , 721
ESP10, 464, 465, 465, 465, 465, 719, , 723
ESP10, 464, 465, 465, 465, 465, 721, , 725
ESP10, 464, 465, 465, 465, 465, 723, , 727
ESP10, 464, 464, 465, 465, 465, 725, , 729
ESP10, 464, 465, 465, 465, 465, 728, , 732
ESP10, 464, 465, 465, 465, 465, 730, , 734
ESP10, 464, 464, 464, 464, 464, 732, , 736
ESP10, 464, 464, 464, 464, 464, 734, , 738
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/SERO3W_SQIN.ESPF10.csv
SERO3W_SQIN.ESPF0.csv|2026-08-15
SERO3W_SQIN.ESPF10.csv|2026-08-15
SERO3W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
JOHN DAY - AT SERVICE CK
(
SERO3
)
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
331
633
79
1284
798
APR-JUL
329
620
79
1239
781
APR-AUG
330
626
79
1263
790
JAN-SEP
562
1045
82
2064
1279
JAN-JUL
560
1031
82
2022
1262
OCT-SEP
624
1119
80
2245
1392
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/SERO3W_SQIN.ESPF10.csv
SERO3W_SQIN.ESPF0.csv|2026-08-15
SERO3W_SQIN.ESPF10.csv|2026-08-15
SERO3W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
