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Archive:
Water Year
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COLUMBIA - CHIEF JOSEPH DAM
(
CHJW1
)
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
57347
58814
94
60831
62551
APR-JUL
47325
47750
91
48264
52569
JAN-SEP
69503
70971
100
72987
71305
JAN-JUL
59482
59906
98
60420
61324
OCT-SEP
79398
80865
101
82881
80453
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-06-24
Issued:
2026-06-24
Hide Forecast
APR-SEP
57555
59436
95
61144
62551
APR-JUL
47389
48151
92
49152
52569
JAN-SEP
69712
71592
100
73301
71305
JAN-JUL
59545
60307
98
61309
61324
OCT-SEP
79606
81486
101
83195
80453
Reference
ESP with 0 Days QPF
Ensemble:
2026-06-24
Issued:
2026-06-24
Hide Forecast
APR-SEP
57408
58951
94
60825
62551
APR-JUL
47277
47896
91
48869
52569
JAN-SEP
69564
71108
100
72981
71305
JAN-JUL
59433
60052
98
61026
61324
OCT-SEP
79458
81002
101
82875
80453
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 231, 296, 352, 406, 433, 71, , 75
ESP10, 226, 293, 347, 402, 428, 73, , 77
ESP10, 229, 295, 351, 404, 433, 76, , 80
ESP10, 228, 298, 350, 402, 432, 78, , 82
ESP10, 227, 298, 349, 399, 429, 81, , 85
ESP10, 223, 296, 347, 396, 431, 83, , 87
ESP10, 229, 300, 348, 396, 437, 86, , 90
ESP10, 232, 301, 354, 397, 438, 88, , 92
ESP10, 233, 303, 355, 399, 439, 91, , 95
ESP10, 233, 303, 353, 397, 439, 93, , 97
ESP10, 236, 308, 356, 399, 439, 96, , 100
ESP10, 235, 308, 357, 401, 439, 98, , 102
ESP10, 229, 301, 350, 395, 434, 101, , 105
ESP10, 231, 304, 354, 397, 437, 103, , 107
ESP10, 232, 303, 352, 396, 437, 106, , 110
ESP10, 220, 292, 338, 386, 428, 108, , 112
ESP10, 210, 284, 329, 380, 418, 111, , 115
ESP10, 221, 294, 343, 390, 429, 113, , 117
ESP10, 220, 294, 346, 390, 431, 116, , 120
ESP10, 220, 294, 349, 395, 434, 118, , 122
ESP10, 209, 285, 343, 385, 425, 121, , 125
ESP10, 209, 287, 342, 387, 424, 123, , 127
ESP10, 203, 288, 336, 385, 426, 126, , 130
ESP10, 210, 297, 347, 394, 434, 128, , 132
ESP10, 214, 302, 351, 398, 436, 131, , 135
ESP10, 219, 315, 355, 404, 441, 133, , 137
ESP10, 222, 315, 356, 405, 442, 136, , 140
ESP10, 224, 314, 357, 405, 442, 138, , 142
ESP10, 214, 304, 348, 398, 434, 141, , 145
ESP10, 199, 289, 336, 386, 423, 143, , 147
ESP10, 200, 289, 339, 388, 428, 146, , 150
ESP10, 204, 293, 342, 390, 434, 148, , 152
ESP10, 203, 290, 340, 389, 433, 151, , 155
ESP10, 213, 302, 350, 398, 442, 153, , 157
ESP10, 221, 305, 351, 398, 443, 156, , 160
ESP10, 222, 305, 351, 399, 441, 158, , 162
ESP10, 223, 304, 351, 397, 440, 161, , 165
ESP10, 217, 294, 346, 388, 433, 163, , 167
ESP10, 224, 299, 353, 393, 440, 166, , 170
ESP10, 222, 300, 355, 392, 440, 168, , 172
ESP10, 227, 302, 356, 389, 439, 171, , 175
ESP10, 229, 302, 353, 393, 436, 173, , 177
ESP10, 239, 309, 362, 401, 443, 176, , 180
ESP10, 249, 318, 367, 402, 448, 178, , 182
ESP10, 242, 313, 358, 392, 438, 181, , 185
ESP10, 250, 316, 363, 397, 442, 183, , 187
ESP10, 243, 307, 355, 391, 438, 186, , 190
ESP10, 250, 312, 363, 397, 448, 188, , 192
ESP10, 245, 306, 360, 394, 443, 191, , 195
ESP10, 248, 307, 364, 395, 447, 193, , 197
ESP10, 253, 310, 363, 396, 446, 196, , 200
ESP10, 254, 316, 359, 395, 442, 198, , 202
ESP10, 251, 317, 361, 392, 438, 201, , 205
ESP10, 260, 326, 369, 403, 445, 203, , 207
ESP10, 255, 321, 364, 402, 439, 206, , 210
ESP10, 257, 318, 361, 401, 442, 208, , 212
ESP10, 256, 314, 355, 397, 438, 211, , 215
ESP10, 257, 313, 355, 400, 439, 213, , 217
ESP10, 257, 316, 361, 405, 440, 216, , 220
ESP10, 249, 302, 352, 395, 429, 218, , 222
ESP10, 238, 292, 342, 388, 420, 221, , 225
ESP10, 242, 293, 343, 388, 422, 223, , 227
ESP10, 237, 286, 336, 380, 415, 226, , 230
ESP10, 221, 266, 316, 362, 403, 228, , 232
ESP10, 224, 270, 325, 366, 410, 231, , 235
ESP10, 220, 269, 322, 361, 410, 233, , 237
ESP10, 228, 277, 331, 369, 417, 236, , 240
ESP10, 215, 263, 318, 355, 404, 238, , 242
ESP10, 188, 236, 288, 328, 379, 241, , 245
ESP10, 180, 230, 281, 319, 373, 243, , 247
ESP10, 178, 238, 282, 318, 374, 246, , 250
ESP10, 185, 250, 288, 326, 383, 248, , 252
ESP10, 186, 251, 291, 329, 385, 251, , 255
ESP10, 180, 242, 286, 321, 379, 253, , 257
ESP10, 186, 240, 294, 320, 378, 256, , 260
ESP10, 190, 240, 295, 323, 379, 258, , 262
ESP10, 192, 241, 301, 324, 381, 261, , 265
ESP10, 190, 240, 298, 321, 378, 263, , 267
ESP10, 183, 234, 289, 315, 370, 266, , 270
ESP10, 189, 232, 282, 311, 366, 268, , 272
ESP10, 201, 240, 288, 318, 371, 271, , 275
ESP10, 206, 241, 287, 316, 371, 273, , 277
ESP10, 218, 253, 297, 325, 382, 276, , 280
ESP10, 223, 256, 300, 330, 385, 278, , 282
ESP10, 218, 248, 295, 328, 381, 281, , 285
ESP10, 213, 245, 291, 330, 379, 283, , 287
ESP10, 215, 247, 296, 330, 380, 286, , 290
ESP10, 221, 252, 298, 332, 391, 288, , 292
ESP10, 217, 253, 295, 328, 388, 291, , 295
ESP10, 223, 256, 299, 329, 389, 293, , 297
ESP10, 229, 264, 307, 334, 391, 296, , 300
ESP10, 226, 265, 305, 331, 387, 298, , 302
ESP10, 220, 259, 304, 326, 385, 301, , 305
ESP10, 221, 261, 305, 328, 390, 303, , 307
ESP10, 212, 256, 297, 321, 384, 306, , 310
ESP10, 210, 266, 300, 323, 384, 308, , 312
ESP10, 213, 264, 303, 323, 384, 311, , 315
ESP10, 212, 262, 299, 326, 382, 313, , 317
ESP10, 214, 262, 297, 325, 379, 316, , 320
ESP10, 215, 259, 292, 326, 375, 318, , 322
ESP10, 214, 257, 290, 328, 372, 321, , 325
ESP10, 217, 255, 292, 331, 374, 323, , 327
ESP10, 217, 253, 291, 330, 371, 326, , 330
ESP10, 215, 257, 292, 327, 368, 328, , 332
ESP10, 218, 256, 293, 325, 367, 331, , 335
ESP10, 220, 260, 295, 325, 366, 333, , 337
ESP10, 220, 263, 294, 324, 365, 336, , 340
ESP10, 221, 265, 296, 326, 366, 338, , 342
ESP10, 222, 269, 297, 324, 365, 341, , 345
ESP10, 233, 278, 306, 333, 373, 343, , 347
ESP10, 240, 284, 308, 337, 374, 346, , 350
ESP10, 245, 290, 313, 341, 378, 348, , 352
ESP10, 244, 291, 315, 342, 377, 351, , 355
ESP10, 248, 295, 321, 346, 382, 353, , 357
ESP10, 248, 295, 320, 347, 381, 356, , 360
ESP10, 245, 290, 316, 343, 376, 358, , 362
ESP10, 249, 298, 319, 347, 379, 361, , 365
ESP10, 250, 303, 319, 350, 380, 363, , 367
ESP10, 254, 304, 320, 351, 380, 366, , 370
ESP10, 253, 306, 322, 351, 382, 368, , 372
ESP10, 251, 304, 323, 350, 381, 371, , 375
ESP10, 244, 294, 314, 341, 375, 373, , 377
ESP10, 238, 286, 306, 334, 369, 376, , 380
ESP10, 245, 290, 310, 336, 373, 378, , 382
ESP10, 251, 291, 312, 337, 376, 381, , 385
ESP10, 250, 289, 311, 336, 374, 383, , 387
ESP10, 249, 285, 307, 331, 369, 386, , 390
ESP10, 257, 297, 313, 339, 376, 388, , 392
ESP10, 258, 294, 311, 338, 372, 391, , 395
ESP10, 256, 292, 314, 338, 369, 393, , 397
ESP10, 259, 297, 317, 341, 369, 396, , 400
ESP10, 261, 300, 322, 341, 369, 398, , 402
ESP10, 255, 294, 317, 335, 363, 401, , 405
ESP10, 259, 297, 320, 339, 365, 403, , 407
ESP10, 256, 296, 316, 339, 361, 406, , 410
ESP10, 242, 284, 303, 329, 348, 408, , 412
ESP10, 243, 284, 302, 329, 350, 411, , 415
ESP10, 249, 290, 310, 333, 357, 413, , 417
ESP10, 241, 279, 303, 322, 346, 416, , 420
ESP10, 253, 287, 313, 331, 355, 418, , 422
ESP10, 248, 282, 306, 327, 349, 421, , 425
ESP10, 258, 289, 311, 333, 356, 423, , 427
ESP10, 256, 286, 310, 331, 354, 426, , 430
ESP10, 263, 291, 315, 336, 360, 428, , 432
ESP10, 268, 291, 315, 338, 362, 431, , 435
ESP10, 270, 293, 316, 339, 365, 433, , 437
ESP10, 269, 294, 318, 339, 364, 436, , 440
ESP10, 264, 290, 312, 332, 358, 438, , 442
ESP10, 261, 287, 309, 326, 353, 441, , 445
ESP10, 256, 281, 300, 316, 343, 443, , 447
ESP10, 259, 283, 303, 319, 342, 446, , 450
ESP10, 258, 278, 301, 315, 337, 448, , 452
ESP10, 251, 271, 293, 309, 329, 451, , 455
ESP10, 247, 266, 292, 303, 325, 453, , 457
ESP10, 240, 263, 288, 298, 320, 456, , 460
ESP10, 241, 266, 286, 299, 317, 458, , 462
ESP10, 230, 255, 274, 287, 306, 461, , 465
ESP10, 233, 258, 275, 291, 310, 463, , 467
ESP10, 215, 243, 255, 275, 295, 466, , 470
ESP10, 231, 256, 270, 288, 308, 468, , 472
ESP10, 230, 257, 271, 289, 308, 471, , 475
ESP10, 225, 254, 267, 285, 303, 473, , 477
ESP10, 221, 248, 258, 278, 295, 476, , 480
ESP10, 228, 254, 264, 285, 301, 478, , 482
ESP10, 225, 251, 260, 280, 300, 481, , 485
ESP10, 221, 246, 257, 275, 296, 483, , 487
ESP10, 217, 240, 251, 269, 293, 486, , 490
ESP10, 219, 241, 254, 270, 295, 488, , 492
ESP10, 216, 237, 252, 271, 292, 491, , 495
ESP10, 217, 238, 252, 272, 295, 493, , 497
ESP10, 219, 234, 250, 268, 291, 496, , 500
ESP10, 226, 239, 253, 269, 295, 498, , 502
ESP10, 226, 239, 254, 267, 292, 501, , 505
ESP10, 216, 231, 246, 260, 283, 503, , 507
ESP10, 213, 228, 244, 258, 280, 506, , 510
ESP10, 216, 234, 251, 266, 286, 508, , 512
ESP10, 215, 236, 252, 266, 286, 511, , 515
ESP10, 217, 239, 257, 272, 289, 513, , 517
ESP10, 220, 243, 259, 278, 293, 516, , 520
ESP10, 225, 247, 264, 282, 297, 518, , 522
ESP10, 233, 254, 271, 290, 303, 521, , 525
ESP10, 235, 258, 272, 290, 304, 523, , 527
ESP10, 233, 258, 270, 288, 303, 526, , 530
ESP10, 238, 264, 279, 292, 309, 528, , 532
ESP10, 236, 264, 283, 295, 309, 531, , 535
ESP10, 232, 260, 279, 293, 308, 533, , 537
ESP10, 231, 260, 278, 293, 307, 536, , 540
ESP10, 234, 265, 282, 297, 310, 538, , 542
ESP10, 233, 263, 279, 296, 309, 541, , 545
ESP10, 229, 257, 272, 290, 302, 543, , 547
ESP10, 223, 254, 268, 286, 297, 546, , 550
ESP10, 222, 253, 268, 285, 296, 548, , 552
ESP10, 227, 258, 274, 291, 302, 551, , 555
ESP10, 232, 261, 276, 293, 304, 553, , 557
ESP10, 231, 262, 272, 290, 299, 556, , 560
ESP10, 240, 272, 279, 297, 308, 558, , 562
ESP10, 240, 270, 276, 294, 305, 561, , 565
ESP10, 243, 272, 280, 298, 308, 563, , 567
ESP10, 239, 266, 279, 294, 304, 566, , 570
ESP10, 241, 268, 281, 296, 305, 568, , 572
ESP10, 243, 270, 284, 299, 309, 571, , 575
ESP10, 244, 271, 285, 302, 310, 573, , 577
ESP10, 245, 271, 287, 304, 311, 576, , 580
ESP10, 254, 281, 297, 313, 322, 578, , 582
ESP10, 252, 279, 296, 311, 322, 581, , 585
ESP10, 255, 281, 297, 314, 323, 583, , 587
ESP10, 254, 284, 296, 313, 325, 586, , 590
ESP10, 253, 283, 294, 310, 323, 588, , 592
ESP10, 255, 288, 299, 312, 324, 591, , 595
ESP10, 254, 288, 298, 311, 323, 593, , 597
ESP10, 254, 289, 300, 312, 323, 596, , 600
ESP10, 261, 293, 304, 318, 329, 598, , 602
ESP10, 264, 297, 308, 322, 333, 601, , 605
ESP10, 268, 298, 311, 324, 333, 603, , 607
ESP10, 268, 296, 311, 324, 331, 606, , 610
ESP10, 270, 295, 309, 322, 329, 608, , 612
ESP10, 273, 295, 313, 324, 329, 611, , 615
ESP10, 273, 294, 315, 324, 330, 613, , 617
ESP10, 272, 292, 312, 323, 331, 616, , 620
ESP10, 274, 293, 311, 323, 331, 618, , 622
ESP10, 276, 294, 311, 324, 331, 621, , 625
ESP10, 276, 293, 307, 322, 328, 623, , 627
ESP10, 276, 293, 307, 319, 325, 626, , 630
ESP10, 276, 294, 309, 319, 326, 628, , 632
ESP10, 274, 290, 305, 317, 324, 631, , 635
ESP10, 278, 290, 308, 318, 327, 633, , 637
ESP10, 279, 287, 308, 317, 325, 636, , 640
ESP10, 280, 291, 311, 319, 327, 638, , 642
ESP10, 283, 296, 313, 322, 329, 641, , 645
ESP10, 288, 300, 317, 327, 334, 643, , 647
ESP10, 282, 295, 313, 322, 330, 646, , 650
ESP10, 280, 293, 309, 319, 327, 648, , 652
ESP10, 284, 299, 310, 318, 326, 651, , 655
ESP10, 279, 297, 307, 315, 322, 653, , 657
ESP10, 280, 296, 307, 316, 324, 656, , 660
ESP10, 277, 291, 304, 311, 320, 658, , 662
ESP10, 278, 291, 303, 311, 319, 661, , 665
ESP10, 282, 293, 304, 313, 319, 663, , 667
ESP10, 284, 295, 307, 315, 323, 666, , 670
ESP10, 277, 288, 301, 309, 316, 668, , 672
ESP10, 282, 291, 304, 313, 319, 671, , 675
ESP10, 280, 288, 303, 311, 319, 673, , 677
ESP10, 281, 289, 302, 310, 319, 676, , 680
ESP10, 282, 292, 303, 314, 320, 678, , 682
ESP10, 283, 290, 300, 313, 319, 681, , 685
ESP10, 283, 293, 303, 313, 320, 683, , 687
ESP10, 290, 300, 308, 319, 325, 686, , 690
ESP10, 293, 304, 311, 322, 328, 688, , 692
ESP10, 294, 305, 312, 322, 330, 691, , 695
ESP10, 293, 305, 313, 321, 328, 693, , 697
ESP10, 300, 314, 321, 329, 336, 696, , 700
ESP10, 301, 315, 324, 331, 336, 698, , 702
ESP10, 310, 320, 330, 337, 343, 701, , 705
ESP10, 311, 317, 327, 335, 340, 703, , 707
ESP10, 313, 318, 327, 335, 340, 706, , 710
ESP10, 315, 321, 330, 337, 341, 708, , 712
ESP10, 316, 322, 331, 338, 342, 711, , 715
ESP10, 313, 320, 328, 336, 341, 713, , 717
ESP10, 313, 320, 330, 336, 341, 716, , 720
ESP10, 316, 325, 333, 339, 344, 718, , 722
ESP10, 317, 327, 334, 341, 345, 721, , 725
ESP10, 315, 326, 333, 340, 344, 723, , 727
ESP10, 317, 328, 335, 341, 346, 726, , 730
ESP10, 313, 324, 332, 337, 344, 728, , 732
ESP10, 324, 333, 341, 345, 353, 731, , 735
ESP10, 324, 334, 340, 346, 351, 733, , 737
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Data Files
/chpsesp/ensemble/natural/CHJW1N_SQIN.ESPF10.csv
CHJW1N_SQIN.ESPF0.csv|2026-06-24
CHJW1N_SQIN.ESPF10.csv|2026-06-24
CHJW1N_SQIN.ESPFM.csv|2026-06-24
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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