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Archive:
Water Year
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COLUMBIA - BLO PRIEST RAPIDS DAM
(
PRDW1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-06-28
Issued:
2026-06-28
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
61438
62560
92
64924
68162
APR-JUL
53158
53749
91
54435
58905
JAN-SEP
77149
78272
100
80636
78616
JAN-JUL
68869
69460
100
70146
69359
OCT-SEP
90097
91219
103
93583
88197
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-06-28
Issued:
2026-06-28
Hide Forecast
APR-SEP
61134
62849
92
64695
68162
APR-JUL
52681
53680
91
54914
58905
JAN-SEP
76845
78561
100
80406
78616
JAN-JUL
68392
69391
100
70625
69359
OCT-SEP
89792
91508
104
93353
88197
Reference
ESP with 0 Days QPF
Ensemble:
2026-06-28
Issued:
2026-06-28
Hide Forecast
APR-SEP
60750
62092
91
64410
68162
APR-JUL
52276
53060
90
54398
58905
JAN-SEP
76461
77803
99
80121
78616
JAN-JUL
67987
68772
99
70109
69359
OCT-SEP
89408
90750
103
93069
88197
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 224, 298, 354, 411, 437, 70, , 74
ESP10, 219, 296, 348, 406, 432, 73, , 77
ESP10, 223, 303, 353, 409, 437, 75, , 79
ESP10, 222, 304, 353, 407, 436, 78, , 82
ESP10, 223, 302, 353, 404, 433, 80, , 84
ESP10, 221, 300, 353, 402, 433, 83, , 87
ESP10, 227, 303, 353, 403, 436, 85, , 89
ESP10, 230, 306, 358, 405, 437, 88, , 92
ESP10, 231, 308, 360, 406, 438, 90, , 94
ESP10, 228, 309, 357, 404, 437, 93, , 97
ESP10, 228, 315, 360, 406, 437, 95, , 99
ESP10, 226, 317, 359, 407, 437, 98, , 102
ESP10, 220, 310, 352, 401, 432, 100, , 104
ESP10, 222, 312, 355, 406, 435, 102, , 106
ESP10, 223, 310, 352, 402, 434, 105, , 109
ESP10, 209, 299, 338, 390, 425, 107, , 111
ESP10, 199, 290, 329, 381, 414, 110, , 114
ESP10, 209, 300, 343, 393, 425, 112, , 116
ESP10, 210, 301, 347, 396, 428, 115, , 119
ESP10, 210, 301, 347, 398, 431, 117, , 121
ESP10, 200, 292, 339, 389, 421, 120, , 124
ESP10, 201, 292, 339, 395, 420, 122, , 126
ESP10, 193, 289, 333, 390, 419, 125, , 129
ESP10, 202, 298, 345, 400, 428, 127, , 131
ESP10, 206, 302, 350, 406, 431, 130, , 134
ESP10, 211, 311, 355, 410, 435, 132, , 136
ESP10, 213, 308, 355, 408, 435, 135, , 139
ESP10, 214, 311, 354, 409, 436, 137, , 141
ESP10, 204, 305, 345, 403, 427, 139, , 143
ESP10, 189, 293, 332, 391, 416, 142, , 146
ESP10, 188, 292, 335, 390, 420, 144, , 148
ESP10, 193, 295, 340, 398, 427, 147, , 151
ESP10, 190, 293, 338, 394, 428, 149, , 153
ESP10, 201, 306, 348, 403, 437, 152, , 156
ESP10, 209, 307, 349, 403, 438, 154, , 158
ESP10, 210, 305, 350, 402, 436, 157, , 161
ESP10, 213, 303, 349, 399, 438, 159, , 163
ESP10, 209, 297, 344, 391, 430, 162, , 166
ESP10, 216, 303, 352, 396, 437, 164, , 168
ESP10, 212, 304, 355, 391, 437, 167, , 171
ESP10, 215, 306, 354, 393, 438, 169, , 173
ESP10, 220, 306, 353, 398, 437, 171, , 175
ESP10, 232, 312, 363, 404, 444, 174, , 178
ESP10, 245, 317, 369, 406, 450, 176, , 180
ESP10, 239, 312, 361, 399, 440, 179, , 183
ESP10, 248, 318, 366, 404, 446, 181, , 185
ESP10, 240, 310, 357, 396, 440, 184, , 188
ESP10, 248, 315, 366, 401, 449, 186, , 190
ESP10, 243, 309, 361, 400, 446, 189, , 193
ESP10, 247, 313, 366, 401, 449, 191, , 195
ESP10, 248, 313, 366, 400, 449, 194, , 198
ESP10, 249, 317, 362, 399, 447, 196, , 200
ESP10, 246, 318, 362, 397, 442, 199, , 203
ESP10, 256, 329, 371, 409, 450, 201, , 205
ESP10, 252, 322, 366, 408, 447, 203, , 207
ESP10, 255, 320, 363, 408, 446, 206, , 210
ESP10, 252, 315, 358, 403, 442, 208, , 212
ESP10, 252, 313, 359, 404, 440, 211, , 215
ESP10, 253, 316, 365, 410, 442, 213, , 217
ESP10, 245, 305, 354, 401, 432, 216, , 220
ESP10, 233, 294, 344, 390, 423, 218, , 222
ESP10, 238, 298, 346, 393, 429, 221, , 225
ESP10, 230, 289, 341, 387, 420, 223, , 227
ESP10, 215, 269, 322, 366, 408, 226, , 230
ESP10, 216, 271, 327, 366, 412, 228, , 232
ESP10, 211, 266, 322, 360, 407, 231, , 235
ESP10, 222, 277, 333, 373, 419, 233, , 237
ESP10, 205, 260, 319, 358, 405, 236, , 240
ESP10, 177, 233, 289, 330, 382, 238, , 242
ESP10, 169, 227, 283, 319, 373, 240, , 244
ESP10, 168, 230, 284, 319, 373, 243, , 247
ESP10, 175, 242, 293, 327, 382, 245, , 249
ESP10, 175, 242, 298, 329, 386, 248, , 252
ESP10, 170, 234, 292, 322, 378, 250, , 254
ESP10, 175, 231, 293, 322, 377, 253, , 257
ESP10, 183, 231, 298, 323, 380, 255, , 259
ESP10, 184, 231, 302, 322, 384, 258, , 262
ESP10, 182, 231, 299, 319, 381, 260, , 264
ESP10, 177, 226, 294, 315, 376, 263, , 267
ESP10, 179, 227, 286, 309, 369, 265, , 269
ESP10, 192, 236, 293, 317, 374, 268, , 272
ESP10, 199, 236, 291, 316, 373, 270, , 274
ESP10, 212, 246, 300, 327, 383, 272, , 276
ESP10, 217, 250, 303, 336, 387, 275, , 279
ESP10, 212, 242, 300, 331, 382, 277, , 281
ESP10, 208, 237, 296, 328, 381, 280, , 284
ESP10, 213, 241, 297, 330, 383, 282, , 286
ESP10, 219, 247, 300, 335, 395, 285, , 289
ESP10, 216, 246, 297, 337, 394, 287, , 291
ESP10, 218, 248, 299, 338, 393, 290, , 294
ESP10, 224, 262, 307, 344, 396, 292, , 296
ESP10, 223, 261, 306, 341, 392, 295, , 299
ESP10, 219, 256, 305, 335, 388, 297, , 301
ESP10, 220, 259, 308, 336, 389, 300, , 304
ESP10, 212, 256, 300, 329, 384, 302, , 306
ESP10, 210, 264, 301, 330, 385, 304, , 308
ESP10, 211, 264, 303, 330, 386, 307, , 311
ESP10, 210, 267, 300, 333, 384, 309, , 313
ESP10, 212, 270, 300, 333, 380, 312, , 316
ESP10, 215, 267, 296, 335, 376, 314, , 318
ESP10, 213, 264, 294, 335, 374, 317, , 321
ESP10, 214, 263, 297, 335, 373, 319, , 323
ESP10, 213, 262, 295, 333, 370, 322, , 326
ESP10, 211, 260, 295, 331, 366, 324, , 328
ESP10, 215, 264, 294, 331, 369, 327, , 331
ESP10, 213, 264, 295, 328, 368, 329, , 333
ESP10, 211, 267, 294, 326, 367, 332, , 336
ESP10, 212, 269, 297, 328, 368, 334, , 338
ESP10, 213, 269, 297, 329, 372, 336, , 340
ESP10, 224, 281, 307, 338, 379, 339, , 343
ESP10, 232, 285, 310, 341, 381, 341, , 345
ESP10, 237, 292, 317, 348, 387, 344, , 348
ESP10, 237, 296, 319, 350, 387, 346, , 350
ESP10, 241, 299, 324, 354, 391, 349, , 353
ESP10, 241, 298, 326, 353, 391, 351, , 355
ESP10, 237, 294, 319, 348, 384, 354, , 358
ESP10, 241, 302, 322, 352, 387, 356, , 360
ESP10, 245, 304, 324, 354, 391, 359, , 363
ESP10, 248, 305, 326, 356, 395, 361, , 365
ESP10, 247, 307, 325, 356, 396, 364, , 368
ESP10, 249, 306, 325, 355, 396, 366, , 370
ESP10, 240, 300, 317, 345, 389, 369, , 373
ESP10, 234, 292, 309, 338, 381, 371, , 375
ESP10, 244, 295, 314, 340, 384, 373, , 377
ESP10, 252, 295, 316, 340, 385, 376, , 380
ESP10, 250, 294, 315, 339, 384, 378, , 382
ESP10, 247, 291, 311, 337, 380, 381, , 385
ESP10, 258, 300, 318, 343, 387, 383, , 387
ESP10, 259, 297, 316, 342, 383, 386, , 390
ESP10, 257, 296, 318, 345, 381, 388, , 392
ESP10, 260, 300, 319, 346, 381, 391, , 395
ESP10, 263, 303, 323, 347, 380, 393, , 397
ESP10, 258, 297, 319, 338, 373, 396, , 400
ESP10, 262, 299, 321, 341, 375, 398, , 402
ESP10, 259, 301, 319, 341, 371, 401, , 405
ESP10, 247, 290, 305, 329, 358, 403, , 407
ESP10, 249, 290, 307, 332, 358, 405, , 409
ESP10, 255, 297, 314, 339, 363, 408, , 412
ESP10, 243, 285, 306, 327, 352, 410, , 414
ESP10, 253, 293, 316, 335, 361, 413, , 417
ESP10, 249, 285, 308, 329, 358, 415, , 419
ESP10, 257, 292, 315, 335, 363, 418, , 422
ESP10, 254, 288, 312, 334, 360, 420, , 424
ESP10, 268, 295, 320, 342, 367, 423, , 427
ESP10, 273, 298, 320, 345, 368, 425, , 429
ESP10, 278, 301, 324, 347, 370, 428, , 432
ESP10, 279, 302, 324, 347, 370, 430, , 434
ESP10, 273, 297, 318, 342, 364, 433, , 437
ESP10, 269, 295, 317, 336, 359, 435, , 439
ESP10, 261, 286, 307, 327, 350, 437, , 441
ESP10, 263, 289, 309, 327, 349, 440, , 444
ESP10, 261, 286, 308, 323, 345, 442, , 446
ESP10, 253, 281, 301, 315, 336, 445, , 449
ESP10, 250, 275, 299, 309, 332, 447, , 451
ESP10, 245, 270, 291, 306, 326, 450, , 454
ESP10, 243, 273, 287, 308, 324, 452, , 456
ESP10, 234, 264, 275, 297, 314, 455, , 459
ESP10, 238, 266, 276, 298, 317, 457, , 461
ESP10, 221, 249, 261, 284, 303, 460, , 464
ESP10, 237, 264, 274, 296, 316, 462, , 466
ESP10, 237, 267, 277, 298, 317, 465, , 469
ESP10, 232, 261, 273, 294, 312, 467, , 471
ESP10, 230, 259, 268, 292, 307, 470, , 474
ESP10, 236, 264, 272, 296, 314, 472, , 476
ESP10, 232, 259, 270, 290, 311, 474, , 478
ESP10, 230, 255, 266, 286, 308, 477, , 481
ESP10, 225, 249, 261, 279, 305, 479, , 483
ESP10, 227, 252, 265, 282, 307, 482, , 486
ESP10, 226, 249, 264, 284, 306, 484, , 488
ESP10, 230, 250, 266, 286, 305, 487, , 491
ESP10, 234, 250, 266, 284, 304, 489, , 493
ESP10, 242, 254, 270, 287, 308, 492, , 496
ESP10, 243, 256, 270, 285, 308, 494, , 498
ESP10, 233, 247, 263, 278, 300, 497, , 501
ESP10, 229, 245, 261, 275, 297, 499, , 503
ESP10, 232, 250, 267, 283, 302, 502, , 506
ESP10, 231, 251, 267, 284, 302, 504, , 508
ESP10, 232, 254, 271, 290, 305, 506, , 510
ESP10, 235, 261, 276, 295, 309, 509, , 513
ESP10, 239, 264, 279, 298, 313, 511, , 515
ESP10, 247, 271, 285, 307, 320, 514, , 518
ESP10, 249, 275, 284, 307, 320, 516, , 520
ESP10, 247, 275, 284, 304, 318, 519, , 523
ESP10, 251, 280, 291, 308, 324, 521, , 525
ESP10, 250, 279, 293, 310, 324, 524, , 528
ESP10, 246, 275, 292, 310, 324, 526, , 530
ESP10, 247, 276, 293, 312, 323, 529, , 533
ESP10, 250, 282, 300, 315, 327, 531, , 535
ESP10, 249, 281, 296, 313, 326, 534, , 538
ESP10, 244, 275, 289, 308, 318, 536, , 540
ESP10, 241, 271, 287, 304, 314, 538, , 542
ESP10, 240, 271, 287, 304, 314, 541, , 545
ESP10, 244, 275, 292, 309, 320, 543, , 547
ESP10, 249, 278, 294, 311, 322, 546, , 550
ESP10, 247, 279, 291, 308, 318, 548, , 552
ESP10, 255, 287, 297, 314, 324, 551, , 555
ESP10, 258, 284, 295, 312, 322, 553, , 557
ESP10, 262, 287, 298, 315, 324, 556, , 560
ESP10, 257, 283, 295, 310, 320, 558, , 562
ESP10, 259, 285, 296, 313, 321, 561, , 565
ESP10, 261, 287, 300, 317, 325, 563, , 567
ESP10, 264, 289, 303, 319, 327, 566, , 570
ESP10, 265, 290, 306, 321, 329, 568, , 572
ESP10, 275, 299, 315, 330, 340, 571, , 575
ESP10, 274, 296, 314, 328, 339, 573, , 577
ESP10, 276, 297, 313, 329, 340, 575, , 579
ESP10, 275, 301, 313, 328, 341, 578, , 582
ESP10, 273, 300, 313, 324, 338, 580, , 584
ESP10, 275, 304, 316, 327, 339, 583, , 587
ESP10, 274, 305, 315, 326, 338, 585, , 589
ESP10, 274, 305, 316, 326, 338, 588, , 592
ESP10, 280, 309, 321, 332, 343, 590, , 594
ESP10, 283, 313, 325, 336, 347, 593, , 597
ESP10, 284, 314, 326, 339, 347, 595, , 599
ESP10, 284, 312, 326, 338, 346, 598, , 602
ESP10, 286, 310, 323, 337, 343, 600, , 604
ESP10, 290, 311, 326, 339, 343, 603, , 607
ESP10, 289, 310, 325, 338, 342, 605, , 609
ESP10, 289, 308, 324, 337, 344, 607, , 611
ESP10, 291, 309, 325, 337, 345, 610, , 614
ESP10, 292, 309, 325, 338, 344, 612, , 616
ESP10, 292, 310, 323, 337, 342, 615, , 619
ESP10, 290, 308, 320, 334, 339, 617, , 621
ESP10, 292, 309, 322, 335, 342, 620, , 624
ESP10, 290, 306, 321, 333, 340, 622, , 626
ESP10, 293, 306, 324, 333, 342, 625, , 629
ESP10, 295, 304, 324, 333, 340, 627, , 631
ESP10, 296, 306, 326, 335, 341, 630, , 634
ESP10, 297, 310, 328, 336, 344, 632, , 636
ESP10, 302, 314, 331, 341, 349, 635, , 639
ESP10, 298, 310, 327, 336, 345, 637, , 641
ESP10, 295, 308, 324, 332, 341, 639, , 643
ESP10, 299, 312, 326, 331, 341, 642, , 646
ESP10, 296, 311, 322, 329, 337, 644, , 648
ESP10, 297, 312, 322, 330, 338, 647, , 651
ESP10, 292, 307, 321, 325, 334, 649, , 653
ESP10, 292, 305, 318, 325, 332, 652, , 656
ESP10, 295, 308, 318, 327, 333, 654, , 658
ESP10, 298, 310, 321, 328, 336, 657, , 661
ESP10, 292, 303, 314, 322, 329, 659, , 663
ESP10, 296, 305, 317, 325, 331, 662, , 666
ESP10, 296, 304, 316, 324, 332, 664, , 668
ESP10, 298, 305, 316, 325, 333, 667, , 671
ESP10, 301, 308, 318, 330, 336, 669, , 673
ESP10, 301, 307, 316, 328, 335, 671, , 675
ESP10, 301, 309, 317, 328, 335, 674, , 678
ESP10, 307, 316, 320, 333, 339, 676, , 680
ESP10, 310, 319, 324, 335, 343, 679, , 683
ESP10, 311, 320, 325, 337, 343, 681, , 685
ESP10, 308, 319, 327, 335, 341, 684, , 688
ESP10, 316, 327, 335, 343, 348, 686, , 690
ESP10, 316, 327, 336, 344, 347, 689, , 693
ESP10, 323, 333, 341, 350, 353, 691, , 695
ESP10, 324, 330, 340, 348, 351, 694, , 698
ESP10, 324, 331, 339, 348, 350, 696, , 700
ESP10, 327, 333, 342, 349, 352, 699, , 703
ESP10, 328, 335, 343, 350, 353, 701, , 705
ESP10, 326, 333, 342, 348, 352, 704, , 708
ESP10, 326, 333, 342, 347, 351, 706, , 710
ESP10, 328, 336, 345, 350, 354, 708, , 712
ESP10, 329, 339, 347, 353, 355, 711, , 715
ESP10, 327, 338, 346, 351, 354, 713, , 717
ESP10, 328, 340, 346, 352, 355, 716, , 720
ESP10, 324, 336, 342, 348, 354, 718, , 722
ESP10, 335, 344, 351, 356, 362, 721, , 725
ESP10, 334, 343, 350, 356, 360, 723, , 727
ESP10, 335, 344, 350, 355, 361, 726, , 730
ESP10, 331, 339, 345, 351, 356, 728, , 732
ESP10, 331, 340, 347, 350, 356, 731, , 735
ESP10, 329, 339, 346, 348, 354, 733, , 737
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ESP10
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Data Files
/chpsesp/ensemble/watersupply/PRDW1W_SQIN.ESPF10.csv
PRDW1W_SQIN.ESPF0.csv|2026-06-28
PRDW1W_SQIN.ESPF10.csv|2026-06-28
PRDW1W_SQIN.ESPFM.csv|2026-06-28
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ESP10,ESPM,ESP0
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