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Water Year
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COAST FORK WILLAMETTE - COTTAGE GROVE DAM
(
COTO3
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
20
21
46
21
45
APR-JUL
20
20
47
20
43
JAN-SEP
66
66
52
67
128
JAN-JUL
66
66
52
66
127
OCT-SEP
88
88
50
89
175
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
APR-SEP
20
21
46
22
45
APR-JUL
20
20
47
20
43
JAN-SEP
66
66
52
67
128
JAN-JUL
66
66
52
66
127
OCT-SEP
88
88
50
89
175
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
APR-SEP
20
21
46
22
45
APR-JUL
20
20
47
20
43
JAN-SEP
66
66
52
67
128
JAN-JUL
66
66
52
66
127
OCT-SEP
88
88
50
90
175
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 252, 280, 357, 405, 437, 70, , 74
ESP10, 251, 280, 357, 405, 437, 73, , 77
ESP10, 251, 280, 357, 405, 437, 75, , 79
ESP10, 251, 280, 357, 405, 437, 77, , 81
ESP10, 251, 280, 357, 405, 437, 80, , 84
ESP10, 251, 280, 357, 405, 437, 82, , 86
ESP10, 251, 280, 356, 405, 436, 84, , 88
ESP10, 251, 280, 357, 405, 436, 87, , 91
ESP10, 251, 280, 357, 405, 437, 89, , 93
ESP10, 251, 280, 356, 405, 436, 91, , 95
ESP10, 251, 280, 356, 405, 436, 94, , 98
ESP10, 251, 280, 356, 405, 436, 96, , 100
ESP10, 251, 280, 357, 405, 437, 98, , 102
ESP10, 251, 280, 356, 405, 436, 100, , 104
ESP10, 251, 280, 357, 405, 436, 103, , 107
ESP10, 251, 280, 356, 405, 436, 105, , 109
ESP10, 251, 280, 356, 405, 435, 107, , 111
ESP10, 251, 280, 356, 405, 436, 110, , 114
ESP10, 251, 280, 356, 405, 436, 112, , 116
ESP10, 251, 280, 356, 405, 436, 114, , 118
ESP10, 251, 280, 356, 405, 435, 117, , 121
ESP10, 251, 280, 356, 405, 435, 119, , 123
ESP10, 251, 280, 356, 404, 435, 121, , 125
ESP10, 251, 280, 356, 405, 436, 124, , 128
ESP10, 251, 280, 356, 405, 436, 126, , 130
ESP10, 251, 280, 356, 405, 436, 128, , 132
ESP10, 251, 280, 356, 405, 436, 131, , 135
ESP10, 251, 280, 356, 405, 435, 133, , 137
ESP10, 251, 280, 356, 405, 435, 135, , 139
ESP10, 251, 280, 355, 404, 435, 138, , 142
ESP10, 251, 279, 355, 404, 434, 140, , 144
ESP10, 250, 279, 355, 404, 434, 142, , 146
ESP10, 251, 279, 355, 404, 434, 145, , 149
ESP10, 251, 280, 356, 405, 435, 147, , 151
ESP10, 251, 280, 356, 405, 435, 149, , 153
ESP10, 251, 280, 356, 405, 435, 151, , 155
ESP10, 251, 280, 356, 405, 435, 154, , 158
ESP10, 252, 280, 357, 405, 435, 156, , 160
ESP10, 252, 280, 357, 405, 435, 158, , 162
ESP10, 251, 280, 357, 405, 435, 161, , 165
ESP10, 252, 280, 358, 405, 436, 163, , 167
ESP10, 252, 280, 359, 405, 436, 165, , 169
ESP10, 252, 280, 359, 405, 436, 168, , 172
ESP10, 253, 280, 360, 406, 437, 170, , 174
ESP10, 253, 280, 360, 405, 438, 172, , 176
ESP10, 252, 280, 359, 405, 437, 175, , 179
ESP10, 253, 280, 359, 405, 438, 177, , 181
ESP10, 253, 280, 360, 406, 438, 179, , 183
ESP10, 253, 280, 360, 406, 439, 182, , 186
ESP10, 253, 280, 360, 406, 439, 184, , 188
ESP10, 253, 280, 359, 406, 440, 186, , 190
ESP10, 253, 280, 359, 405, 440, 189, , 193
ESP10, 253, 280, 360, 406, 441, 191, , 195
ESP10, 253, 280, 360, 406, 442, 193, , 197
ESP10, 254, 280, 360, 406, 445, 196, , 200
ESP10, 254, 280, 360, 406, 445, 198, , 202
ESP10, 254, 280, 360, 406, 444, 200, , 204
ESP10, 254, 280, 360, 406, 443, 202, , 206
ESP10, 254, 282, 361, 406, 444, 205, , 209
ESP10, 253, 280, 359, 405, 441, 207, , 211
ESP10, 253, 280, 359, 405, 440, 209, , 213
ESP10, 254, 281, 359, 406, 441, 212, , 216
ESP10, 253, 280, 359, 405, 440, 214, , 218
ESP10, 253, 280, 358, 405, 438, 216, , 220
ESP10, 253, 280, 358, 405, 438, 219, , 223
ESP10, 253, 280, 358, 405, 437, 221, , 225
ESP10, 253, 280, 358, 405, 438, 223, , 227
ESP10, 255, 281, 359, 406, 443, 226, , 230
ESP10, 254, 281, 359, 406, 442, 228, , 232
ESP10, 253, 281, 358, 405, 439, 230, , 234
ESP10, 253, 280, 358, 405, 440, 233, , 237
ESP10, 252, 280, 357, 405, 439, 235, , 239
ESP10, 252, 280, 357, 405, 438, 237, , 241
ESP10, 251, 280, 356, 405, 437, 240, , 244
ESP10, 251, 280, 357, 405, 438, 242, , 246
ESP10, 250, 280, 355, 405, 436, 244, , 248
ESP10, 252, 280, 357, 406, 438, 247, , 251
ESP10, 252, 280, 356, 406, 438, 249, , 253
ESP10, 253, 280, 357, 406, 439, 251, , 255
ESP10, 252, 280, 357, 406, 438, 253, , 257
ESP10, 253, 280, 357, 407, 438, 256, , 260
ESP10, 253, 281, 357, 407, 439, 258, , 262
ESP10, 253, 281, 357, 407, 439, 260, , 264
ESP10, 253, 281, 357, 407, 439, 263, , 267
ESP10, 253, 281, 357, 407, 438, 265, , 269
ESP10, 252, 281, 357, 407, 437, 267, , 271
ESP10, 252, 281, 357, 408, 438, 270, , 274
ESP10, 253, 281, 357, 409, 438, 272, , 276
ESP10, 252, 281, 357, 409, 438, 274, , 278
ESP10, 253, 281, 357, 409, 438, 277, , 281
ESP10, 253, 281, 357, 410, 440, 279, , 283
ESP10, 253, 281, 358, 410, 440, 281, , 285
ESP10, 252, 281, 358, 409, 438, 284, , 288
ESP10, 253, 281, 358, 410, 438, 286, , 290
ESP10, 253, 282, 360, 410, 439, 288, , 292
ESP10, 253, 283, 359, 410, 439, 291, , 295
ESP10, 253, 283, 359, 410, 439, 293, , 297
ESP10, 254, 284, 360, 411, 440, 295, , 299
ESP10, 254, 284, 360, 411, 440, 298, , 302
ESP10, 253, 284, 360, 411, 439, 300, , 304
ESP10, 253, 284, 360, 410, 439, 302, , 306
ESP10, 253, 284, 360, 411, 439, 304, , 308
ESP10, 253, 284, 360, 411, 439, 307, , 311
ESP10, 253, 285, 360, 411, 438, 309, , 313
ESP10, 255, 287, 362, 412, 442, 311, , 315
ESP10, 256, 287, 362, 412, 443, 314, , 318
ESP10, 254, 286, 361, 411, 443, 316, , 320
ESP10, 256, 288, 363, 413, 446, 318, , 322
ESP10, 256, 288, 363, 415, 447, 321, , 325
ESP10, 256, 289, 364, 415, 450, 323, , 327
ESP10, 256, 290, 365, 417, 451, 325, , 329
ESP10, 256, 291, 365, 419, 452, 328, , 332
ESP10, 256, 292, 367, 421, 453, 330, , 334
ESP10, 257, 293, 369, 423, 456, 332, , 336
ESP10, 259, 296, 371, 426, 460, 335, , 339
ESP10, 259, 296, 371, 426, 460, 337, , 341
ESP10, 258, 295, 371, 425, 459, 339, , 343
ESP10, 258, 295, 371, 425, 461, 342, , 346
ESP10, 259, 296, 374, 429, 465, 344, , 348
ESP10, 259, 296, 375, 432, 468, 346, , 350
ESP10, 260, 296, 375, 431, 467, 349, , 353
ESP10, 259, 294, 375, 431, 466, 351, , 355
ESP10, 257, 293, 372, 427, 461, 353, , 357
ESP10, 256, 291, 371, 425, 459, 355, , 359
ESP10, 263, 295, 374, 423, 462, 358, , 362
ESP10, 264, 296, 375, 424, 461, 360, , 364
ESP10, 260, 293, 369, 418, 453, 362, , 366
ESP10, 261, 294, 372, 419, 454, 365, , 369
ESP10, 257, 290, 369, 417, 448, 367, , 371
ESP10, 254, 291, 366, 414, 444, 369, , 373
ESP10, 252, 290, 365, 414, 442, 372, , 376
ESP10, 254, 290, 364, 413, 441, 374, , 378
ESP10, 251, 287, 363, 408, 435, 376, , 380
ESP10, 253, 288, 367, 409, 438, 379, , 383
ESP10, 248, 285, 365, 406, 434, 381, , 385
ESP10, 245, 284, 362, 403, 429, 383, , 387
ESP10, 243, 284, 360, 402, 426, 386, , 390
ESP10, 245, 285, 362, 405, 429, 388, , 392
ESP10, 240, 283, 358, 400, 422, 390, , 394
ESP10, 245, 285, 362, 405, 429, 393, , 397
ESP10, 247, 288, 362, 408, 429, 395, , 399
ESP10, 254, 296, 369, 415, 436, 397, , 401
ESP10, 256, 298, 372, 417, 439, 400, , 404
ESP10, 257, 300, 373, 419, 440, 402, , 406
ESP10, 258, 300, 372, 418, 439, 404, , 408
ESP10, 256, 300, 374, 418, 440, 406, , 410
ESP10, 250, 296, 370, 412, 436, 409, , 413
ESP10, 247, 294, 370, 411, 434, 411, , 415
ESP10, 245, 293, 372, 408, 432, 413, , 417
ESP10, 244, 294, 372, 408, 431, 416, , 420
ESP10, 245, 296, 374, 409, 432, 418, , 422
ESP10, 251, 298, 374, 410, 436, 420, , 424
ESP10, 249, 299, 378, 409, 437, 423, , 427
ESP10, 242, 293, 372, 404, 432, 425, , 429
ESP10, 243, 293, 371, 404, 432, 427, , 431
ESP10, 241, 288, 368, 402, 429, 430, , 434
ESP10, 245, 290, 371, 405, 433, 432, , 436
ESP10, 247, 291, 372, 406, 435, 434, , 438
ESP10, 250, 295, 375, 412, 439, 437, , 441
ESP10, 254, 303, 381, 417, 443, 439, , 443
ESP10, 260, 303, 380, 422, 443, 441, , 445
ESP10, 259, 300, 376, 424, 439, 444, , 448
ESP10, 263, 307, 379, 429, 446, 446, , 450
ESP10, 269, 319, 387, 434, 459, 448, , 452
ESP10, 271, 320, 393, 438, 460, 451, , 455
ESP10, 274, 316, 385, 433, 450, 453, , 457
ESP10, 273, 309, 377, 425, 442, 455, , 459
ESP10, 288, 320, 381, 434, 454, 457, , 461
ESP10, 301, 328, 395, 444, 466, 460, , 464
ESP10, 306, 335, 399, 449, 470, 462, , 466
ESP10, 304, 342, 423, 452, 470, 464, , 468
ESP10, 301, 336, 416, 448, 468, 467, , 471
ESP10, 295, 330, 412, 441, 464, 469, , 473
ESP10, 274, 313, 393, 418, 439, 471, , 475
ESP10, 258, 293, 371, 402, 420, 474, , 478
ESP10, 282, 319, 386, 422, 436, 476, , 480
ESP10, 261, 300, 363, 398, 413, 478, , 482
ESP10, 280, 319, 377, 407, 429, 481, , 485
ESP10, 295, 326, 380, 412, 436, 483, , 487
ESP10, 309, 347, 391, 435, 454, 485, , 489
ESP10, 313, 346, 398, 428, 442, 488, , 492
ESP10, 326, 353, 400, 431, 447, 490, , 494
ESP10, 338, 367, 411, 448, 461, 492, , 496
ESP10, 364, 385, 432, 460, 472, 495, , 499
ESP10, 366, 396, 428, 465, 475, 497, , 501
ESP10, 370, 403, 431, 467, 475, 499, , 503
ESP10, 356, 388, 416, 459, 468, 502, , 506
ESP10, 355, 388, 427, 460, 468, 504, , 508
ESP10, 317, 357, 398, 434, 448, 506, , 510
ESP10, 289, 330, 369, 408, 422, 508, , 512
ESP10, 295, 340, 374, 414, 430, 511, , 515
ESP10, 262, 307, 340, 378, 394, 513, , 517
ESP10, 238, 286, 326, 357, 371, 515, , 519
ESP10, 251, 304, 335, 366, 380, 518, , 522
ESP10, 263, 307, 356, 373, 381, 520, , 524
ESP10, 272, 313, 361, 381, 389, 522, , 526
ESP10, 283, 329, 376, 393, 400, 525, , 529
ESP10, 295, 326, 374, 392, 398, 527, , 531
ESP10, 303, 341, 385, 400, 406, 529, , 533
ESP10, 304, 351, 390, 403, 409, 532, , 536
ESP10, 318, 373, 396, 410, 415, 534, , 538
ESP10, 313, 371, 393, 407, 412, 536, , 540
ESP10, 318, 375, 397, 409, 413, 539, , 543
ESP10, 324, 387, 400, 411, 415, 541, , 545
ESP10, 305, 373, 385, 395, 400, 543, , 547
ESP10, 308, 376, 389, 396, 400, 546, , 550
ESP10, 311, 378, 389, 396, 400, 548, , 552
ESP10, 313, 378, 388, 397, 400, 550, , 554
ESP10, 333, 380, 390, 398, 402, 553, , 557
ESP10, 337, 380, 390, 399, 402, 555, , 559
ESP10, 348, 385, 395, 403, 406, 557, , 561
ESP10, 353, 387, 395, 404, 407, 559, , 563
ESP10, 354, 387, 397, 404, 408, 562, , 566
ESP10, 358, 389, 397, 405, 408, 564, , 568
ESP10, 366, 391, 397, 405, 408, 566, , 570
ESP10, 375, 392, 398, 405, 408, 569, , 573
ESP10, 375, 393, 398, 406, 409, 571, , 575
ESP10, 384, 395, 399, 406, 409, 573, , 577
ESP10, 384, 396, 400, 407, 409, 576, , 580
ESP10, 406, 416, 420, 426, 429, 578, , 582
ESP10, 410, 417, 421, 427, 429, 580, , 584
ESP10, 411, 417, 421, 427, 429, 583, , 587
ESP10, 411, 417, 421, 426, 428, 585, , 589
ESP10, 411, 417, 421, 426, 428, 587, , 591
ESP10, 411, 416, 421, 426, 427, 590, , 594
ESP10, 412, 417, 421, 426, 427, 592, , 596
ESP10, 412, 417, 421, 425, 427, 594, , 598
ESP10, 412, 417, 421, 425, 427, 597, , 601
ESP10, 412, 417, 422, 425, 427, 599, , 603
ESP10, 413, 418, 424, 426, 427, 601, , 605
ESP10, 411, 417, 423, 425, 426, 604, , 608
ESP10, 413, 419, 423, 425, 426, 606, , 610
ESP10, 413, 418, 423, 425, 426, 608, , 612
ESP10, 412, 417, 422, 425, 426, 610, , 614
ESP10, 414, 418, 423, 426, 426, 613, , 617
ESP10, 415, 420, 424, 426, 427, 615, , 619
ESP10, 414, 419, 424, 426, 427, 617, , 621
ESP10, 414, 419, 424, 426, 427, 620, , 624
ESP10, 415, 419, 424, 426, 427, 622, , 626
ESP10, 416, 420, 425, 426, 427, 624, , 628
ESP10, 415, 420, 425, 426, 427, 627, , 631
ESP10, 416, 421, 425, 426, 428, 629, , 633
ESP10, 417, 421, 426, 426, 428, 631, , 635
ESP10, 416, 421, 425, 426, 428, 634, , 638
ESP10, 416, 421, 425, 426, 428, 636, , 640
ESP10, 416, 421, 425, 426, 428, 638, , 642
ESP10, 415, 421, 424, 425, 427, 641, , 645
ESP10, 415, 420, 424, 425, 427, 643, , 647
ESP10, 416, 421, 425, 426, 428, 645, , 649
ESP10, 417, 422, 425, 427, 428, 648, , 652
ESP10, 417, 422, 426, 427, 428, 650, , 654
ESP10, 418, 422, 426, 427, 429, 652, , 656
ESP10, 418, 422, 426, 427, 429, 655, , 659
ESP10, 418, 422, 426, 427, 429, 657, , 661
ESP10, 418, 422, 427, 428, 429, 659, , 663
ESP10, 418, 422, 427, 428, 429, 661, , 665
ESP10, 418, 422, 427, 428, 429, 664, , 668
ESP10, 418, 422, 427, 428, 429, 666, , 670
ESP10, 418, 422, 427, 428, 430, 668, , 672
ESP10, 418, 423, 427, 428, 430, 671, , 675
ESP10, 419, 423, 427, 428, 430, 673, , 677
ESP10, 419, 424, 427, 428, 430, 675, , 679
ESP10, 420, 424, 427, 428, 430, 678, , 682
ESP10, 419, 423, 427, 428, 429, 680, , 684
ESP10, 419, 423, 426, 427, 429, 682, , 686
ESP10, 418, 422, 425, 426, 428, 685, , 689
ESP10, 419, 423, 426, 427, 428, 687, , 691
ESP10, 418, 422, 424, 426, 427, 689, , 693
ESP10, 418, 422, 424, 425, 427, 692, , 696
ESP10, 418, 422, 424, 426, 427, 694, , 698
ESP10, 418, 422, 425, 426, 427, 696, , 700
ESP10, 418, 422, 425, 426, 428, 699, , 703
ESP10, 418, 422, 425, 426, 428, 701, , 705
ESP10, 418, 422, 424, 426, 427, 703, , 707
ESP10, 418, 423, 425, 426, 428, 706, , 710
ESP10, 420, 425, 427, 428, 429, 708, , 712
ESP10, 420, 425, 427, 428, 429, 710, , 714
ESP10, 421, 425, 427, 428, 429, 712, , 716
ESP10, 421, 425, 427, 429, 430, 715, , 719
ESP10, 422, 426, 427, 429, 430, 717, , 721
ESP10, 422, 426, 428, 429, 430, 719, , 723
ESP10, 422, 426, 428, 429, 430, 722, , 726
ESP10, 424, 428, 429, 431, 432, 724, , 728
ESP10, 424, 428, 429, 431, 432, 726, , 730
ESP10, 424, 428, 429, 431, 432, 729, , 733
ESP10, 425, 428, 430, 431, 432, 731, , 735
ESP10, 425, 429, 430, 432, 432, 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/COTO3N_SQIN.ESPF10.csv
COTO3N_SQIN.ESPF0.csv|2026-07-15
COTO3N_SQIN.ESPF10.csv|2026-07-15
COTO3N_SQIN.ESPFM.csv|2026-07-15
APR-SEP
COAST FORK WILLAMETTE - COTTAGE GROVE DAM
(
COTO3
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
19
34
76
52
45
APR-JUL
17
32
73
49
43
JAN-SEP
73
117
91
179
128
JAN-JUL
72
115
91
177
127
OCT-SEP
97
163
93
259
175
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/COTO3N_SQIN.ESPF10.csv
COTO3N_SQIN.ESPF0.csv|2026-07-15
COTO3N_SQIN.ESPF10.csv|2026-07-15
COTO3N_SQIN.ESPFM.csv|2026-07-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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