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Water Year
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COLUMBIA - THE DALLES DAM
(
TDAO3
)
Forecasts for Water Year
2025
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-04
Issued:
2025-07-04
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
70935
71505
76
72967
94166
APR-JUL
61382
61643
75
61999
81933
APR-AUG
66743
67211
75
67896
89196
JAN-SEP
90186
90756
78
92218
115946
JAN-JUL
80633
80893
78
81250
103714
OCT-SEP
104261
104831
79
106293
132314
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2025-07-04
Issued:
2025-07-04
Hide Forecast
APR-SEP
71147
71909
76
73308
94166
APR-JUL
61503
61838
75
62360
81933
APR-AUG
66946
67616
76
68278
89196
JAN-SEP
90398
91160
79
92559
115946
JAN-JUL
80754
81089
78
81611
103714
OCT-SEP
104473
105235
80
106634
132314
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-04
Issued:
2025-07-04
Hide Forecast
APR-SEP
71242
72242
77
74313
94166
APR-JUL
61551
62090
76
62696
81933
APR-AUG
67082
67775
76
68881
89196
JAN-SEP
90493
91493
79
93564
115946
JAN-JUL
80802
81341
78
81946
103714
OCT-SEP
104567
105568
80
107639
132314
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 245, 315, 348, 406, 446, 70, , 74
ESP10, 247, 317, 354, 410, 450, 73, , 77
ESP10, 248, 322, 355, 410, 451, 75, , 79
ESP10, 247, 321, 353, 409, 450, 78, , 82
ESP10, 246, 320, 354, 408, 450, 80, , 84
ESP10, 246, 320, 353, 407, 450, 82, , 86
ESP10, 247, 320, 354, 408, 450, 85, , 89
ESP10, 246, 320, 356, 407, 450, 87, , 91
ESP10, 240, 313, 353, 402, 445, 90, , 94
ESP10, 237, 315, 351, 402, 443, 92, , 96
ESP10, 235, 314, 352, 399, 442, 95, , 99
ESP10, 234, 313, 350, 402, 441, 97, , 101
ESP10, 237, 319, 353, 400, 447, 99, , 103
ESP10, 239, 322, 358, 414, 451, 102, , 106
ESP10, 237, 320, 355, 412, 449, 104, , 108
ESP10, 232, 320, 349, 408, 444, 107, , 111
ESP10, 231, 320, 346, 407, 442, 109, , 113
ESP10, 226, 315, 341, 402, 436, 111, , 115
ESP10, 225, 316, 340, 402, 434, 114, , 118
ESP10, 222, 307, 341, 399, 429, 116, , 120
ESP10, 220, 311, 343, 400, 431, 119, , 123
ESP10, 224, 317, 346, 413, 436, 121, , 125
ESP10, 219, 322, 342, 408, 434, 123, , 127
ESP10, 222, 325, 351, 411, 439, 126, , 130
ESP10, 222, 327, 354, 427, 441, 128, , 132
ESP10, 223, 333, 355, 427, 443, 131, , 135
ESP10, 226, 335, 358, 431, 444, 133, , 137
ESP10, 239, 341, 365, 435, 448, 135, , 139
ESP10, 241, 342, 366, 432, 448, 138, , 142
ESP10, 240, 340, 366, 433, 447, 140, , 144
ESP10, 226, 327, 354, 422, 435, 143, , 147
ESP10, 224, 325, 351, 416, 435, 145, , 149
ESP10, 231, 326, 355, 417, 440, 148, , 152
ESP10, 225, 317, 343, 407, 434, 150, , 154
ESP10, 223, 309, 334, 398, 425, 152, , 156
ESP10, 218, 308, 334, 397, 423, 155, , 159
ESP10, 226, 315, 339, 400, 430, 157, , 161
ESP10, 219, 305, 337, 391, 421, 160, , 164
ESP10, 221, 307, 335, 394, 422, 162, , 166
ESP10, 230, 314, 344, 399, 435, 164, , 168
ESP10, 246, 327, 354, 408, 448, 167, , 171
ESP10, 254, 340, 365, 413, 453, 169, , 173
ESP10, 251, 331, 360, 404, 446, 172, , 176
ESP10, 258, 332, 360, 413, 451, 174, , 178
ESP10, 228, 299, 331, 388, 424, 176, , 180
ESP10, 217, 288, 321, 376, 417, 179, , 183
ESP10, 222, 285, 326, 378, 424, 181, , 185
ESP10, 236, 291, 332, 386, 433, 184, , 188
ESP10, 252, 309, 340, 391, 444, 186, , 190
ESP10, 256, 315, 343, 394, 449, 189, , 193
ESP10, 252, 314, 341, 392, 445, 191, , 195
ESP10, 258, 321, 350, 398, 452, 193, , 197
ESP10, 264, 333, 356, 405, 455, 196, , 200
ESP10, 263, 333, 358, 405, 453, 198, , 202
ESP10, 261, 332, 354, 411, 449, 201, , 205
ESP10, 262, 332, 359, 412, 450, 203, , 207
ESP10, 255, 326, 357, 406, 446, 205, , 209
ESP10, 259, 326, 359, 413, 446, 208, , 212
ESP10, 260, 326, 363, 418, 447, 210, , 214
ESP10, 262, 327, 370, 421, 450, 213, , 217
ESP10, 264, 327, 376, 422, 452, 215, , 219
ESP10, 261, 324, 375, 419, 452, 217, , 221
ESP10, 257, 329, 374, 418, 450, 220, , 224
ESP10, 249, 320, 363, 408, 444, 222, , 226
ESP10, 252, 324, 365, 409, 449, 225, , 229
ESP10, 257, 328, 367, 415, 451, 227, , 231
ESP10, 253, 321, 364, 412, 447, 229, , 233
ESP10, 262, 332, 376, 428, 457, 232, , 236
ESP10, 264, 330, 373, 425, 461, 234, , 238
ESP10, 265, 326, 370, 419, 454, 237, , 241
ESP10, 282, 339, 383, 433, 467, 239, , 243
ESP10, 288, 341, 386, 435, 471, 242, , 246
ESP10, 283, 336, 381, 430, 470, 244, , 248
ESP10, 276, 328, 374, 422, 464, 246, , 250
ESP10, 256, 310, 356, 403, 449, 249, , 253
ESP10, 251, 302, 350, 397, 444, 251, , 255
ESP10, 249, 300, 352, 395, 445, 254, , 258
ESP10, 259, 308, 361, 397, 449, 256, , 260
ESP10, 260, 310, 358, 395, 448, 258, , 262
ESP10, 259, 312, 351, 390, 442, 261, , 265
ESP10, 262, 302, 346, 386, 435, 263, , 267
ESP10, 277, 309, 351, 392, 438, 266, , 270
ESP10, 273, 306, 345, 390, 433, 268, , 272
ESP10, 283, 315, 355, 397, 441, 270, , 274
ESP10, 273, 302, 351, 389, 432, 273, , 277
ESP10, 277, 306, 354, 399, 442, 275, , 279
ESP10, 273, 305, 353, 399, 440, 278, , 282
ESP10, 276, 308, 354, 402, 443, 280, , 284
ESP10, 273, 310, 354, 399, 442, 282, , 286
ESP10, 289, 317, 358, 401, 446, 285, , 289
ESP10, 291, 321, 362, 402, 445, 287, , 291
ESP10, 288, 318, 356, 397, 441, 290, , 294
ESP10, 287, 323, 360, 399, 444, 292, , 296
ESP10, 296, 333, 365, 405, 448, 295, , 299
ESP10, 286, 332, 369, 406, 445, 299, , 303
ESP10, 286, 337, 370, 410, 447, 302, , 306
ESP10, 287, 342, 371, 412, 448, 304, , 308
ESP10, 294, 342, 372, 413, 449, 307, , 311
ESP10, 303, 343, 378, 414, 451, 309, , 313
ESP10, 305, 345, 380, 417, 451, 311, , 315
ESP10, 305, 346, 380, 419, 455, 314, , 318
ESP10, 307, 348, 381, 420, 455, 316, , 320
ESP10, 310, 355, 382, 421, 457, 319, , 323
ESP10, 316, 356, 386, 421, 461, 321, , 325
ESP10, 317, 357, 388, 421, 461, 323, , 327
ESP10, 320, 360, 393, 423, 462, 326, , 330
ESP10, 319, 361, 394, 423, 461, 328, , 332
ESP10, 322, 369, 397, 425, 462, 331, , 335
ESP10, 326, 375, 402, 428, 464, 333, , 337
ESP10, 331, 376, 401, 430, 462, 336, , 340
ESP10, 338, 377, 403, 432, 464, 338, , 342
ESP10, 337, 377, 401, 433, 462, 340, , 344
ESP10, 330, 373, 399, 430, 460, 343, , 347
ESP10, 332, 375, 400, 430, 461, 345, , 349
ESP10, 333, 378, 405, 432, 464, 348, , 352
ESP10, 330, 372, 400, 426, 459, 350, , 354
ESP10, 319, 364, 389, 415, 449, 352, , 356
ESP10, 320, 366, 389, 416, 448, 355, , 359
ESP10, 320, 364, 389, 414, 445, 357, , 361
ESP10, 323, 366, 392, 416, 447, 360, , 364
ESP10, 336, 376, 400, 425, 456, 362, , 366
ESP10, 333, 373, 394, 421, 456, 364, , 368
ESP10, 330, 366, 391, 416, 454, 367, , 371
ESP10, 337, 369, 390, 417, 455, 369, , 373
ESP10, 337, 367, 388, 418, 452, 372, , 376
ESP10, 333, 365, 391, 414, 454, 374, , 378
ESP10, 332, 367, 389, 414, 451, 376, , 380
ESP10, 322, 357, 378, 404, 442, 379, , 383
ESP10, 337, 369, 388, 418, 449, 381, , 385
ESP10, 338, 367, 387, 415, 446, 384, , 388
ESP10, 348, 372, 391, 420, 450, 386, , 390
ESP10, 355, 380, 396, 426, 453, 389, , 393
ESP10, 354, 379, 393, 422, 450, 391, , 395
ESP10, 356, 382, 396, 423, 452, 393, , 397
ESP10, 345, 373, 390, 415, 444, 396, , 400
ESP10, 340, 370, 385, 413, 443, 398, , 402
ESP10, 338, 364, 383, 410, 441, 401, , 405
ESP10, 336, 363, 384, 411, 442, 403, , 407
ESP10, 336, 364, 385, 411, 446, 405, , 409
ESP10, 336, 364, 385, 411, 447, 408, , 412
ESP10, 338, 363, 386, 411, 446, 410, , 414
ESP10, 336, 354, 384, 406, 441, 413, , 417
ESP10, 332, 350, 377, 401, 434, 415, , 419
ESP10, 338, 358, 382, 407, 437, 417, , 421
ESP10, 346, 365, 388, 414, 441, 420, , 424
ESP10, 351, 366, 392, 418, 445, 422, , 426
ESP10, 350, 367, 393, 419, 445, 425, , 429
ESP10, 346, 365, 392, 416, 442, 427, , 431
ESP10, 342, 364, 391, 412, 437, 430, , 434
ESP10, 337, 364, 392, 410, 434, 432, , 436
ESP10, 336, 364, 392, 410, 434, 434, , 438
ESP10, 325, 360, 391, 407, 427, 437, , 441
ESP10, 326, 364, 397, 413, 429, 439, , 443
ESP10, 321, 360, 391, 410, 425, 442, , 446
ESP10, 317, 352, 386, 404, 422, 444, , 448
ESP10, 312, 345, 380, 396, 413, 446, , 450
ESP10, 312, 347, 379, 395, 414, 449, , 453
ESP10, 318, 352, 383, 398, 416, 451, , 455
ESP10, 321, 351, 382, 398, 415, 454, , 458
ESP10, 320, 351, 380, 397, 412, 456, , 460
ESP10, 311, 348, 370, 390, 404, 458, , 462
ESP10, 307, 339, 364, 385, 398, 461, , 465
ESP10, 301, 336, 358, 379, 394, 463, , 467
ESP10, 294, 334, 352, 375, 392, 466, , 470
ESP10, 297, 334, 355, 373, 389, 468, , 472
ESP10, 301, 340, 358, 379, 395, 470, , 474
ESP10, 300, 340, 356, 377, 393, 473, , 477
ESP10, 303, 340, 359, 380, 397, 475, , 479
ESP10, 311, 343, 365, 382, 397, 478, , 482
ESP10, 313, 334, 359, 376, 390, 480, , 484
ESP10, 316, 331, 356, 373, 388, 483, , 487
ESP10, 312, 326, 351, 367, 382, 485, , 489
ESP10, 297, 309, 337, 352, 370, 487, , 491
ESP10, 292, 303, 332, 347, 366, 490, , 494
ESP10, 296, 307, 335, 353, 368, 492, , 496
ESP10, 304, 317, 345, 360, 374, 495, , 499
ESP10, 308, 319, 349, 366, 378, 497, , 501
ESP10, 313, 330, 358, 374, 385, 499, , 503
ESP10, 317, 338, 364, 381, 393, 502, , 506
ESP10, 317, 335, 368, 382, 395, 504, , 508
ESP10, 314, 333, 366, 378, 392, 507, , 511
ESP10, 314, 331, 366, 378, 391, 509, , 513
ESP10, 307, 326, 359, 370, 384, 511, , 515
ESP10, 302, 325, 356, 370, 384, 514, , 518
ESP10, 302, 327, 359, 373, 381, 516, , 520
ESP10, 306, 333, 363, 378, 386, 519, , 523
ESP10, 310, 336, 365, 380, 388, 521, , 525
ESP10, 314, 335, 364, 380, 388, 524, , 528
ESP10, 315, 338, 365, 379, 389, 526, , 530
ESP10, 318, 341, 367, 381, 391, 528, , 532
ESP10, 321, 346, 369, 384, 393, 531, , 535
ESP10, 319, 347, 368, 384, 392, 533, , 537
ESP10, 319, 344, 367, 382, 389, 536, , 540
ESP10, 322, 349, 367, 381, 387, 538, , 542
ESP10, 328, 353, 371, 385, 392, 540, , 544
ESP10, 329, 351, 371, 383, 391, 543, , 547
ESP10, 331, 352, 371, 384, 391, 545, , 549
ESP10, 334, 349, 369, 383, 390, 548, , 552
ESP10, 336, 350, 370, 384, 392, 550, , 554
ESP10, 339, 353, 373, 386, 393, 552, , 556
ESP10, 341, 354, 375, 387, 394, 555, , 559
ESP10, 347, 364, 383, 394, 402, 557, , 561
ESP10, 350, 367, 386, 398, 408, 560, , 564
ESP10, 352, 371, 389, 400, 411, 562, , 566
ESP10, 353, 373, 391, 402, 412, 564, , 568
ESP10, 349, 370, 387, 398, 407, 567, , 571
ESP10, 346, 368, 384, 395, 405, 569, , 573
ESP10, 347, 369, 384, 394, 404, 572, , 576
ESP10, 352, 375, 388, 398, 408, 574, , 578
ESP10, 353, 375, 389, 397, 408, 577, , 581
ESP10, 360, 378, 395, 405, 414, 579, , 583
ESP10, 352, 373, 389, 398, 408, 581, , 585
ESP10, 353, 373, 389, 400, 410, 584, , 588
ESP10, 353, 371, 388, 398, 408, 586, , 590
ESP10, 352, 369, 387, 396, 406, 589, , 593
ESP10, 346, 365, 381, 392, 400, 591, , 595
ESP10, 345, 368, 381, 394, 400, 593, , 597
ESP10, 351, 375, 388, 401, 410, 596, , 600
ESP10, 348, 373, 383, 397, 406, 598, , 602
ESP10, 357, 378, 388, 402, 411, 601, , 605
ESP10, 358, 377, 387, 402, 410, 603, , 607
ESP10, 360, 377, 389, 403, 410, 605, , 609
ESP10, 367, 385, 398, 407, 416, 608, , 612
ESP10, 366, 382, 396, 406, 413, 610, , 614
ESP10, 370, 384, 398, 408, 416, 613, , 617
ESP10, 372, 383, 399, 407, 416, 615, , 619
ESP10, 370, 381, 397, 404, 413, 617, , 621
ESP10, 374, 382, 400, 407, 413, 620, , 624
ESP10, 374, 384, 401, 408, 415, 622, , 626
ESP10, 380, 393, 406, 412, 418, 625, , 629
ESP10, 385, 395, 407, 415, 419, 627, , 631
ESP10, 383, 394, 406, 412, 418, 630, , 634
ESP10, 387, 402, 411, 416, 423, 632, , 636
ESP10, 386, 400, 410, 415, 420, 634, , 638
ESP10, 386, 399, 409, 413, 420, 637, , 641
ESP10, 383, 395, 406, 410, 416, 639, , 643
ESP10, 382, 396, 404, 409, 414, 642, , 646
ESP10, 386, 397, 405, 411, 416, 644, , 648
ESP10, 393, 402, 409, 416, 419, 646, , 650
ESP10, 397, 406, 414, 419, 424, 649, , 653
ESP10, 399, 406, 415, 421, 426, 651, , 655
ESP10, 401, 407, 416, 422, 427, 654, , 658
ESP10, 402, 409, 416, 422, 426, 656, , 660
ESP10, 401, 409, 414, 421, 425, 658, , 662
ESP10, 407, 412, 419, 424, 428, 661, , 665
ESP10, 405, 411, 416, 423, 426, 663, , 667
ESP10, 405, 409, 415, 422, 425, 666, , 670
ESP10, 405, 409, 414, 422, 424, 668, , 672
ESP10, 408, 414, 419, 425, 427, 671, , 675
ESP10, 407, 413, 418, 421, 422, 695, , 699
ESP10, 408, 415, 419, 422, 424, 697, , 701
ESP10, 408, 416, 419, 422, 424, 699, , 703
ESP10, 410, 418, 422, 424, 426, 702, , 706
ESP10, 413, 421, 425, 428, 430, 704, , 708
ESP10, 415, 422, 426, 428, 430, 707, , 711
ESP10, 417, 424, 427, 430, 432, 709, , 713
ESP10, 418, 424, 427, 430, 432, 711, , 715
ESP10, 418, 424, 428, 430, 431, 714, , 718
ESP10, 420, 426, 430, 431, 433, 716, , 720
ESP10, 419, 426, 429, 430, 433, 719, , 723
ESP10, 419, 426, 429, 431, 432, 721, , 725
ESP10, 422, 427, 430, 433, 434, 724, , 728
ESP10, 422, 426, 430, 432, 433, 726, , 730
ESP10, 424, 426, 431, 433, 433, 728, , 732
ESP10, 423, 426, 430, 431, 433, 731, , 735
ESP10, 424, 427, 431, 433, 434, 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/TDAO3W_SQIN.ESPF10.csv
TDAO3W_SQIN.ESPF0.csv|2025-07-04
TDAO3W_SQIN.ESPF10.csv|2025-07-04
TDAO3W_SQIN.ESPFM.csv|2025-07-04
APR-SEP
COLUMBIA - THE DALLES DAM
(
TDAO3
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-04
Issued:
2025-07-04
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
66712
87257
93
111691
94166
APR-JUL
56989
75668
92
95065
81933
APR-AUG
62785
82467
92
105223
89196
JAN-SEP
80761
105210
91
132997
115946
JAN-JUL
71038
92328
89
117964
103714
OCT-SEP
94164
119697
90
151886
132314
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/TDAO3W_SQIN.ESPF10.csv
TDAO3W_SQIN.ESPF0.csv|2025-07-04
TDAO3W_SQIN.ESPF10.csv|2025-07-04
TDAO3W_SQIN.ESPFM.csv|2025-07-04
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
