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Archive:
Water Year
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COLUMBIA - PRIEST RAPIDS DAM
(
PRWW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-06-24
Issued:
2026-06-24
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
61159
62641
92
64684
68225
APR-JUL
50867
51292
89
51797
57704
JAN-SEP
75245
76726
99
78769
77879
JAN-JUL
64953
65377
97
65882
67358
OCT-SEP
87007
88488
101
90532
87958
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-06-24
Issued:
2026-06-24
Hide Forecast
APR-SEP
61378
63288
93
64990
68225
APR-JUL
50931
51701
90
52701
57704
JAN-SEP
75463
77373
99
79075
77879
JAN-JUL
65017
65786
98
66786
67358
OCT-SEP
87226
89136
101
90838
87958
Reference
ESP with 0 Days QPF
Ensemble:
2026-06-24
Issued:
2026-06-24
Hide Forecast
APR-SEP
61275
62755
92
64681
68225
APR-JUL
50819
51436
89
52415
57704
JAN-SEP
75361
76840
99
78766
77879
JAN-JUL
64905
65521
97
66500
67358
OCT-SEP
87123
88603
101
90528
87958
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 224, 297, 352, 409, 435, 71, , 75
ESP10, 219, 295, 346, 404, 431, 73, , 77
ESP10, 222, 298, 351, 407, 436, 76, , 80
ESP10, 221, 298, 352, 405, 434, 78, , 82
ESP10, 222, 298, 353, 402, 432, 81, , 85
ESP10, 220, 296, 352, 398, 431, 83, , 87
ESP10, 225, 299, 353, 401, 436, 86, , 90
ESP10, 229, 302, 358, 402, 436, 88, , 92
ESP10, 230, 305, 359, 402, 437, 91, , 95
ESP10, 227, 307, 356, 400, 436, 93, , 97
ESP10, 227, 312, 359, 401, 437, 96, , 100
ESP10, 225, 312, 358, 402, 436, 98, , 102
ESP10, 219, 307, 352, 397, 432, 101, , 105
ESP10, 221, 308, 354, 401, 434, 103, , 107
ESP10, 221, 306, 351, 399, 434, 106, , 110
ESP10, 208, 297, 337, 389, 424, 108, , 112
ESP10, 198, 286, 329, 380, 414, 111, , 115
ESP10, 209, 296, 342, 393, 425, 113, , 117
ESP10, 210, 298, 346, 395, 428, 116, , 120
ESP10, 210, 299, 346, 397, 431, 118, , 122
ESP10, 200, 291, 337, 387, 421, 121, , 125
ESP10, 201, 291, 336, 391, 420, 123, , 127
ESP10, 194, 288, 331, 386, 420, 126, , 130
ESP10, 202, 297, 343, 392, 429, 128, , 132
ESP10, 207, 302, 348, 401, 432, 131, , 135
ESP10, 211, 308, 352, 406, 436, 133, , 137
ESP10, 213, 306, 352, 406, 436, 136, , 140
ESP10, 215, 308, 351, 406, 436, 138, , 142
ESP10, 205, 300, 343, 399, 428, 141, , 145
ESP10, 189, 287, 330, 387, 417, 143, , 147
ESP10, 188, 286, 332, 386, 421, 146, , 150
ESP10, 194, 292, 338, 388, 428, 148, , 152
ESP10, 190, 288, 337, 387, 427, 151, , 155
ESP10, 202, 299, 345, 400, 437, 153, , 157
ESP10, 208, 303, 347, 402, 438, 156, , 160
ESP10, 211, 303, 347, 400, 436, 158, , 162
ESP10, 213, 302, 346, 398, 437, 161, , 165
ESP10, 210, 295, 344, 389, 430, 163, , 167
ESP10, 216, 301, 351, 395, 438, 166, , 170
ESP10, 213, 300, 352, 390, 437, 168, , 172
ESP10, 214, 302, 351, 392, 438, 171, , 175
ESP10, 219, 302, 349, 396, 438, 173, , 177
ESP10, 230, 307, 361, 402, 445, 176, , 180
ESP10, 243, 312, 365, 403, 450, 178, , 182
ESP10, 237, 307, 357, 396, 441, 181, , 185
ESP10, 246, 312, 363, 402, 445, 183, , 187
ESP10, 238, 304, 354, 395, 439, 186, , 190
ESP10, 246, 310, 363, 400, 450, 188, , 192
ESP10, 241, 304, 358, 401, 446, 191, , 195
ESP10, 245, 310, 364, 402, 450, 193, , 197
ESP10, 246, 310, 364, 400, 448, 196, , 200
ESP10, 247, 315, 359, 399, 444, 198, , 202
ESP10, 244, 317, 357, 396, 439, 201, , 205
ESP10, 254, 326, 367, 407, 447, 203, , 207
ESP10, 250, 322, 362, 407, 444, 206, , 210
ESP10, 253, 318, 359, 408, 444, 208, , 212
ESP10, 251, 314, 355, 403, 439, 211, , 215
ESP10, 251, 312, 355, 403, 439, 213, , 217
ESP10, 252, 313, 361, 408, 441, 216, , 220
ESP10, 243, 303, 351, 400, 431, 218, , 222
ESP10, 232, 293, 341, 389, 421, 221, , 225
ESP10, 236, 294, 343, 392, 423, 223, , 227
ESP10, 229, 284, 337, 385, 414, 226, , 230
ESP10, 214, 262, 320, 365, 402, 228, , 232
ESP10, 214, 264, 326, 365, 407, 231, , 235
ESP10, 209, 261, 320, 360, 405, 233, , 237
ESP10, 220, 272, 330, 372, 419, 236, , 240
ESP10, 203, 257, 315, 358, 404, 238, , 242
ESP10, 176, 229, 286, 329, 377, 241, , 245
ESP10, 167, 227, 278, 318, 368, 243, , 247
ESP10, 167, 230, 280, 319, 369, 246, , 250
ESP10, 173, 242, 288, 326, 377, 248, , 252
ESP10, 174, 242, 292, 328, 378, 251, , 255
ESP10, 169, 234, 287, 320, 373, 253, , 257
ESP10, 174, 231, 290, 322, 372, 256, , 260
ESP10, 182, 231, 293, 322, 374, 258, , 262
ESP10, 184, 230, 299, 322, 377, 261, , 265
ESP10, 182, 226, 296, 318, 374, 263, , 267
ESP10, 178, 225, 291, 313, 368, 266, , 270
ESP10, 181, 227, 283, 307, 362, 268, , 272
ESP10, 194, 236, 289, 314, 367, 271, , 275
ESP10, 200, 234, 287, 312, 365, 273, , 277
ESP10, 213, 245, 298, 324, 376, 276, , 280
ESP10, 218, 249, 301, 333, 380, 278, , 282
ESP10, 213, 241, 296, 329, 375, 281, , 285
ESP10, 209, 236, 291, 327, 373, 283, , 287
ESP10, 211, 240, 293, 328, 376, 286, , 290
ESP10, 216, 245, 297, 332, 390, 288, , 292
ESP10, 212, 243, 293, 331, 388, 291, , 295
ESP10, 217, 246, 297, 332, 388, 293, , 297
ESP10, 224, 260, 304, 338, 390, 296, , 300
ESP10, 222, 257, 304, 335, 386, 298, , 302
ESP10, 215, 251, 303, 329, 382, 301, , 305
ESP10, 216, 254, 304, 331, 386, 303, , 307
ESP10, 207, 250, 297, 325, 380, 306, , 310
ESP10, 206, 262, 298, 329, 381, 308, , 312
ESP10, 206, 262, 301, 329, 382, 311, , 315
ESP10, 206, 261, 299, 332, 380, 313, , 317
ESP10, 208, 263, 300, 331, 378, 316, , 320
ESP10, 212, 263, 295, 333, 375, 318, , 322
ESP10, 210, 261, 294, 332, 372, 321, , 325
ESP10, 211, 260, 295, 333, 372, 323, , 327
ESP10, 210, 258, 294, 331, 368, 326, , 330
ESP10, 207, 257, 292, 328, 365, 328, , 332
ESP10, 214, 261, 291, 327, 365, 331, , 335
ESP10, 215, 261, 292, 325, 363, 333, , 337
ESP10, 212, 264, 290, 323, 363, 336, , 340
ESP10, 213, 266, 292, 327, 363, 338, , 342
ESP10, 215, 267, 294, 327, 364, 341, , 345
ESP10, 226, 279, 302, 337, 371, 343, , 347
ESP10, 233, 284, 305, 339, 372, 346, , 350
ESP10, 239, 291, 312, 346, 378, 348, , 352
ESP10, 238, 293, 316, 348, 378, 351, , 355
ESP10, 242, 297, 321, 351, 382, 353, , 357
ESP10, 242, 296, 322, 352, 382, 356, , 360
ESP10, 238, 292, 317, 347, 375, 358, , 362
ESP10, 242, 296, 319, 352, 379, 361, , 365
ESP10, 243, 299, 321, 354, 380, 363, , 367
ESP10, 249, 301, 321, 356, 383, 366, , 370
ESP10, 248, 302, 321, 355, 385, 368, , 372
ESP10, 246, 302, 323, 354, 385, 371, , 375
ESP10, 240, 296, 314, 344, 380, 373, , 377
ESP10, 234, 289, 307, 336, 375, 376, , 380
ESP10, 243, 291, 310, 338, 378, 378, , 382
ESP10, 245, 291, 311, 339, 381, 381, , 385
ESP10, 243, 289, 311, 337, 379, 383, , 387
ESP10, 242, 286, 306, 334, 374, 386, , 390
ESP10, 251, 296, 316, 339, 381, 388, , 392
ESP10, 252, 294, 312, 339, 377, 391, , 395
ESP10, 250, 293, 313, 343, 375, 393, , 397
ESP10, 254, 296, 316, 344, 375, 396, , 400
ESP10, 258, 299, 322, 345, 374, 398, , 402
ESP10, 253, 293, 318, 337, 367, 401, , 405
ESP10, 256, 297, 320, 338, 369, 403, , 407
ESP10, 253, 298, 317, 338, 366, 406, , 410
ESP10, 241, 286, 303, 328, 352, 408, , 412
ESP10, 243, 286, 303, 329, 352, 411, , 415
ESP10, 249, 293, 311, 335, 358, 413, , 417
ESP10, 237, 281, 302, 323, 346, 416, , 420
ESP10, 249, 289, 314, 332, 357, 418, , 422
ESP10, 245, 284, 307, 327, 350, 421, , 425
ESP10, 253, 290, 313, 332, 357, 423, , 427
ESP10, 254, 287, 310, 331, 355, 426, , 430
ESP10, 266, 294, 317, 340, 363, 428, , 432
ESP10, 271, 296, 318, 343, 365, 431, , 435
ESP10, 275, 298, 320, 345, 367, 433, , 437
ESP10, 275, 299, 323, 344, 366, 436, , 440
ESP10, 270, 296, 316, 339, 361, 438, , 442
ESP10, 265, 292, 313, 332, 356, 441, , 445
ESP10, 258, 284, 306, 322, 346, 443, , 447
ESP10, 262, 288, 307, 323, 346, 446, , 450
ESP10, 260, 283, 305, 321, 341, 448, , 452
ESP10, 253, 277, 297, 313, 332, 451, , 455
ESP10, 248, 271, 296, 307, 328, 453, , 457
ESP10, 242, 267, 289, 301, 323, 456, , 460
ESP10, 241, 269, 285, 303, 321, 458, , 462
ESP10, 231, 259, 272, 293, 310, 461, , 465
ESP10, 234, 260, 273, 295, 312, 463, , 467
ESP10, 216, 245, 257, 278, 297, 466, , 470
ESP10, 233, 261, 274, 292, 311, 468, , 472
ESP10, 232, 262, 275, 292, 312, 471, , 475
ESP10, 227, 258, 270, 288, 307, 473, , 477
ESP10, 225, 253, 262, 283, 300, 476, , 480
ESP10, 230, 258, 268, 289, 306, 478, , 482
ESP10, 227, 253, 263, 284, 304, 481, , 485
ESP10, 224, 248, 260, 278, 302, 483, , 487
ESP10, 219, 243, 255, 272, 299, 486, , 490
ESP10, 221, 245, 258, 276, 301, 488, , 492
ESP10, 219, 243, 257, 278, 298, 491, , 495
ESP10, 223, 243, 258, 279, 300, 493, , 497
ESP10, 225, 242, 257, 276, 297, 496, , 500
ESP10, 232, 245, 261, 278, 301, 498, , 502
ESP10, 231, 244, 259, 275, 298, 501, , 505
ESP10, 221, 237, 251, 268, 289, 503, , 507
ESP10, 217, 235, 250, 266, 286, 506, , 510
ESP10, 221, 240, 256, 273, 292, 508, , 512
ESP10, 220, 242, 256, 273, 292, 511, , 515
ESP10, 222, 246, 261, 278, 296, 513, , 517
ESP10, 224, 251, 265, 284, 300, 516, , 520
ESP10, 228, 255, 270, 288, 303, 518, , 522
ESP10, 236, 261, 276, 297, 309, 521, , 525
ESP10, 238, 264, 276, 297, 310, 523, , 527
ESP10, 237, 264, 276, 295, 309, 526, , 530
ESP10, 241, 270, 283, 299, 315, 528, , 532
ESP10, 239, 269, 286, 301, 315, 531, , 535
ESP10, 236, 266, 284, 300, 315, 533, , 537
ESP10, 237, 268, 284, 302, 315, 536, , 540
ESP10, 239, 274, 290, 305, 318, 538, , 542
ESP10, 238, 273, 287, 303, 317, 541, , 545
ESP10, 234, 267, 280, 297, 309, 543, , 547
ESP10, 231, 264, 278, 294, 305, 546, , 550
ESP10, 230, 264, 278, 294, 305, 548, , 552
ESP10, 234, 268, 283, 300, 311, 551, , 555
ESP10, 239, 271, 285, 302, 313, 553, , 557
ESP10, 237, 273, 282, 300, 309, 556, , 560
ESP10, 246, 280, 287, 306, 315, 558, , 562
ESP10, 249, 277, 286, 304, 313, 561, , 565
ESP10, 252, 280, 290, 307, 315, 563, , 567
ESP10, 248, 274, 287, 303, 310, 566, , 570
ESP10, 250, 276, 289, 306, 312, 568, , 572
ESP10, 252, 278, 293, 308, 315, 571, , 575
ESP10, 254, 280, 295, 311, 318, 573, , 577
ESP10, 257, 282, 297, 315, 320, 576, , 580
ESP10, 266, 291, 307, 323, 331, 578, , 582
ESP10, 266, 289, 306, 321, 331, 581, , 585
ESP10, 268, 291, 307, 322, 332, 583, , 587
ESP10, 268, 294, 306, 321, 333, 586, , 590
ESP10, 266, 292, 305, 319, 332, 588, , 592
ESP10, 267, 298, 309, 321, 333, 591, , 595
ESP10, 266, 297, 309, 320, 332, 593, , 597
ESP10, 267, 298, 309, 320, 332, 596, , 600
ESP10, 272, 302, 313, 326, 337, 598, , 602
ESP10, 276, 306, 318, 329, 341, 601, , 605
ESP10, 277, 306, 319, 332, 340, 603, , 607
ESP10, 278, 305, 319, 332, 340, 606, , 610
ESP10, 280, 304, 318, 331, 337, 608, , 612
ESP10, 284, 304, 321, 333, 337, 611, , 615
ESP10, 283, 304, 321, 333, 338, 613, , 617
ESP10, 283, 302, 320, 332, 340, 616, , 620
ESP10, 284, 304, 320, 332, 340, 618, , 622
ESP10, 286, 305, 321, 333, 340, 621, , 625
ESP10, 287, 304, 318, 332, 338, 623, , 627
ESP10, 288, 304, 317, 329, 334, 626, , 630
ESP10, 287, 305, 318, 329, 336, 628, , 632
ESP10, 285, 302, 316, 328, 333, 631, , 635
ESP10, 288, 301, 319, 328, 336, 633, , 637
ESP10, 290, 299, 319, 327, 335, 636, , 640
ESP10, 291, 302, 321, 329, 336, 638, , 642
ESP10, 294, 306, 322, 332, 339, 641, , 645
ESP10, 299, 310, 327, 336, 344, 643, , 647
ESP10, 293, 305, 324, 331, 339, 646, , 650
ESP10, 291, 304, 320, 329, 336, 648, , 652
ESP10, 296, 310, 321, 328, 336, 651, , 655
ESP10, 292, 308, 319, 326, 332, 653, , 657
ESP10, 293, 308, 318, 327, 333, 656, , 660
ESP10, 289, 303, 317, 322, 330, 658, , 662
ESP10, 290, 303, 315, 322, 329, 661, , 665
ESP10, 293, 305, 314, 323, 329, 663, , 667
ESP10, 295, 307, 318, 325, 333, 666, , 670
ESP10, 289, 300, 312, 319, 326, 668, , 672
ESP10, 292, 301, 314, 322, 328, 671, , 675
ESP10, 292, 300, 313, 321, 328, 673, , 677
ESP10, 293, 300, 313, 321, 329, 676, , 680
ESP10, 295, 302, 315, 324, 330, 678, , 682
ESP10, 295, 302, 312, 324, 329, 681, , 685
ESP10, 296, 305, 315, 323, 330, 683, , 687
ESP10, 302, 311, 319, 328, 335, 686, , 690
ESP10, 305, 315, 322, 332, 337, 688, , 692
ESP10, 305, 316, 322, 332, 339, 691, , 695
ESP10, 304, 315, 324, 331, 337, 693, , 697
ESP10, 311, 324, 331, 338, 345, 696, , 700
ESP10, 312, 325, 334, 341, 345, 698, , 702
ESP10, 320, 330, 339, 346, 351, 701, , 705
ESP10, 321, 327, 337, 344, 349, 703, , 707
ESP10, 323, 328, 336, 344, 348, 706, , 710
ESP10, 325, 331, 339, 346, 349, 708, , 712
ESP10, 326, 332, 340, 347, 351, 711, , 715
ESP10, 324, 331, 338, 345, 350, 713, , 717
ESP10, 324, 331, 339, 345, 349, 716, , 720
ESP10, 327, 334, 342, 347, 352, 718, , 722
ESP10, 328, 337, 343, 349, 353, 721, , 725
ESP10, 326, 335, 342, 348, 352, 723, , 727
ESP10, 327, 338, 344, 349, 354, 726, , 730
ESP10, 323, 333, 340, 345, 352, 728, , 732
ESP10, 334, 342, 349, 352, 360, 731, , 735
ESP10, 334, 342, 348, 353, 358, 733, , 737
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Data Files
/chpsesp/ensemble/natural/PRWW1N_SQIN.ESPF10.csv
PRWW1N_SQIN.ESPF0.csv|2026-06-24
PRWW1N_SQIN.ESPF10.csv|2026-06-24
PRWW1N_SQIN.ESPFM.csv|2026-06-24
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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