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Water Year
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COLUMBIA - ROCKY REACH DAM
(
RRHW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-05-01
Issued:
2026-05-01
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
63203
66519
100
72277
66718
APR-JUL
50859
53619
95
58264
56343
JAN-SEP
76587
79903
105
85662
76041
JAN-JUL
64243
67004
102
71648
65667
OCT-SEP
87606
90921
106
96680
85780
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-05-01
Issued:
2026-05-01
Hide Forecast
APR-SEP
64184
67564
101
73304
66718
APR-JUL
52379
55196
98
59839
56343
JAN-SEP
77568
80948
106
86689
76041
JAN-JUL
65764
68580
104
73223
65667
OCT-SEP
88587
91966
107
97707
85780
Reference
ESP with 0 Days QPF
Ensemble:
2026-05-01
Issued:
2026-05-01
Hide Forecast
APR-SEP
65000
68265
102
73943
66718
APR-JUL
51962
54763
97
59837
56343
JAN-SEP
78384
81650
107
87327
76041
JAN-JUL
65347
68148
104
73221
65667
OCT-SEP
89403
92668
108
98345
85780
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 226, 298, 352, 408, 435, 71, , 75
ESP10, 221, 295, 347, 404, 430, 74, , 78
ESP10, 224, 298, 352, 406, 435, 77, , 81
ESP10, 223, 300, 353, 405, 434, 81, , 85
ESP10, 224, 300, 353, 402, 432, 84, , 88
ESP10, 222, 299, 352, 399, 431, 87, , 91
ESP10, 228, 302, 353, 400, 437, 90, , 94
ESP10, 231, 305, 358, 402, 438, 93, , 97
ESP10, 232, 307, 359, 403, 439, 96, , 100
ESP10, 230, 306, 357, 401, 438, 99, , 103
ESP10, 230, 313, 359, 401, 438, 102, , 106
ESP10, 228, 312, 358, 403, 438, 106, , 110
ESP10, 222, 306, 352, 398, 434, 109, , 113
ESP10, 224, 309, 355, 402, 436, 112, , 116
ESP10, 224, 307, 352, 401, 436, 115, , 119
ESP10, 211, 296, 338, 388, 426, 118, , 122
ESP10, 201, 286, 329, 380, 416, 121, , 125
ESP10, 212, 296, 343, 392, 427, 124, , 128
ESP10, 212, 297, 347, 393, 430, 127, , 131
ESP10, 213, 297, 348, 395, 433, 131, , 135
ESP10, 203, 289, 339, 386, 423, 134, , 138
ESP10, 204, 289, 338, 392, 422, 137, , 141
ESP10, 197, 288, 333, 387, 421, 140, , 144
ESP10, 205, 298, 345, 394, 430, 143, , 147
ESP10, 209, 303, 350, 400, 433, 146, , 150
ESP10, 214, 311, 354, 406, 437, 149, , 153
ESP10, 216, 310, 354, 405, 438, 153, , 157
ESP10, 216, 309, 353, 406, 438, 156, , 160
ESP10, 206, 299, 345, 398, 430, 159, , 163
ESP10, 191, 287, 331, 386, 419, 162, , 166
ESP10, 190, 287, 334, 386, 423, 165, , 169
ESP10, 195, 290, 340, 389, 430, 168, , 172
ESP10, 192, 289, 338, 388, 429, 171, , 175
ESP10, 203, 300, 347, 399, 439, 174, , 178
ESP10, 210, 305, 348, 400, 440, 178, , 182
ESP10, 212, 305, 348, 400, 438, 181, , 185
ESP10, 214, 303, 347, 398, 439, 184, , 188
ESP10, 211, 295, 344, 390, 432, 187, , 191
ESP10, 218, 301, 352, 395, 439, 190, , 194
ESP10, 214, 301, 354, 391, 439, 193, , 197
ESP10, 216, 303, 352, 392, 440, 196, , 200
ESP10, 220, 303, 350, 395, 439, 199, , 203
ESP10, 232, 309, 361, 401, 446, 203, , 207
ESP10, 245, 314, 365, 403, 451, 206, , 210
ESP10, 239, 311, 356, 396, 441, 209, , 213
ESP10, 248, 315, 363, 400, 445, 212, , 216
ESP10, 240, 305, 355, 395, 440, 215, , 219
ESP10, 247, 312, 364, 399, 450, 218, , 222
ESP10, 242, 306, 359, 399, 446, 221, , 225
ESP10, 246, 309, 365, 400, 450, 225, , 229
ESP10, 248, 311, 365, 399, 449, 228, , 232
ESP10, 248, 314, 361, 398, 445, 231, , 235
ESP10, 245, 317, 358, 395, 440, 234, , 238
ESP10, 254, 326, 367, 406, 448, 237, , 241
ESP10, 251, 322, 363, 406, 444, 240, , 244
ESP10, 253, 319, 359, 406, 445, 243, , 247
ESP10, 251, 314, 355, 401, 439, 246, , 250
ESP10, 251, 312, 354, 402, 439, 250, , 254
ESP10, 252, 313, 361, 408, 440, 253, , 257
ESP10, 243, 304, 352, 399, 430, 256, , 260
ESP10, 232, 294, 341, 389, 420, 259, , 263
ESP10, 236, 295, 343, 391, 423, 262, , 266
ESP10, 229, 285, 337, 384, 414, 265, , 269
ESP10, 214, 263, 320, 366, 402, 268, , 272
ESP10, 215, 265, 325, 365, 407, 272, , 276
ESP10, 210, 262, 319, 359, 405, 275, , 279
ESP10, 220, 272, 329, 371, 418, 278, , 282
ESP10, 203, 258, 314, 357, 404, 281, , 285
ESP10, 176, 230, 285, 328, 377, 284, , 288
ESP10, 167, 227, 277, 318, 368, 287, , 291
ESP10, 167, 232, 279, 317, 369, 290, , 294
ESP10, 173, 244, 286, 325, 377, 293, , 297
ESP10, 174, 245, 291, 327, 379, 297, , 301
ESP10, 169, 236, 284, 321, 373, 300, , 304
ESP10, 174, 234, 289, 320, 372, 303, , 307
ESP10, 182, 234, 293, 320, 374, 306, , 310
ESP10, 184, 233, 298, 320, 378, 309, , 313
ESP10, 183, 230, 295, 317, 375, 312, , 316
ESP10, 177, 224, 289, 312, 368, 315, , 319
ESP10, 182, 227, 282, 306, 362, 318, , 322
ESP10, 195, 235, 287, 313, 366, 322, , 326
ESP10, 201, 233, 286, 312, 366, 325, , 329
ESP10, 213, 247, 297, 324, 377, 328, , 332
ESP10, 218, 250, 299, 331, 380, 331, , 335
ESP10, 213, 243, 296, 327, 376, 334, , 338
ESP10, 210, 238, 291, 326, 374, 337, , 341
ESP10, 211, 241, 292, 327, 376, 340, , 344
ESP10, 216, 245, 295, 331, 389, 344, , 348
ESP10, 212, 243, 292, 329, 387, 347, , 351
ESP10, 217, 246, 294, 330, 387, 350, , 354
ESP10, 224, 260, 302, 335, 389, 353, , 357
ESP10, 222, 257, 303, 332, 385, 356, , 360
ESP10, 216, 252, 301, 327, 381, 359, , 363
ESP10, 216, 255, 302, 329, 386, 362, , 366
ESP10, 208, 250, 295, 323, 379, 365, , 369
ESP10, 206, 261, 296, 326, 381, 369, , 373
ESP10, 207, 262, 299, 327, 382, 372, , 376
ESP10, 206, 260, 296, 330, 380, 375, , 379
ESP10, 208, 261, 297, 329, 378, 378, , 382
ESP10, 212, 261, 293, 330, 375, 381, , 385
ESP10, 211, 258, 291, 331, 372, 384, , 388
ESP10, 211, 257, 293, 331, 371, 387, , 391
ESP10, 210, 255, 291, 330, 368, 390, , 394
ESP10, 208, 255, 290, 327, 365, 394, , 398
ESP10, 214, 258, 289, 326, 364, 397, , 401
ESP10, 214, 258, 291, 324, 363, 400, , 404
ESP10, 212, 263, 290, 322, 362, 403, , 407
ESP10, 214, 265, 291, 326, 363, 406, , 410
ESP10, 215, 267, 293, 326, 363, 409, , 413
ESP10, 226, 277, 300, 335, 370, 412, , 416
ESP10, 234, 282, 303, 338, 371, 416, , 420
ESP10, 239, 290, 311, 344, 377, 419, , 423
ESP10, 238, 292, 313, 345, 377, 422, , 426
ESP10, 242, 296, 318, 349, 381, 425, , 429
ESP10, 242, 295, 319, 350, 381, 428, , 432
ESP10, 238, 290, 316, 345, 374, 431, , 435
ESP10, 242, 295, 318, 350, 378, 434, , 438
ESP10, 243, 297, 319, 352, 379, 437, , 441
ESP10, 249, 299, 320, 353, 381, 441, , 445
ESP10, 248, 300, 320, 353, 383, 444, , 448
ESP10, 247, 300, 320, 351, 383, 447, , 451
ESP10, 239, 294, 313, 342, 377, 450, , 454
ESP10, 232, 288, 305, 334, 372, 453, , 457
ESP10, 242, 289, 309, 335, 375, 456, , 460
ESP10, 245, 290, 310, 336, 378, 459, , 463
ESP10, 243, 288, 310, 335, 376, 462, , 466
ESP10, 242, 284, 305, 332, 371, 466, , 470
ESP10, 251, 294, 313, 338, 378, 469, , 473
ESP10, 252, 291, 311, 337, 374, 472, , 476
ESP10, 250, 290, 311, 341, 372, 475, , 479
ESP10, 254, 295, 316, 342, 372, 478, , 482
ESP10, 258, 298, 321, 343, 371, 481, , 485
ESP10, 252, 292, 316, 335, 365, 484, , 488
ESP10, 256, 296, 318, 337, 367, 488, , 492
ESP10, 252, 297, 315, 337, 363, 491, , 495
ESP10, 240, 285, 302, 327, 350, 494, , 498
ESP10, 242, 285, 301, 328, 350, 497, , 501
ESP10, 248, 291, 309, 334, 356, 500, , 504
ESP10, 237, 279, 299, 322, 345, 503, , 507
ESP10, 249, 287, 311, 331, 355, 506, , 510
ESP10, 244, 282, 305, 326, 348, 509, , 513
ESP10, 253, 290, 311, 331, 355, 513, , 517
ESP10, 253, 286, 308, 329, 353, 516, , 520
ESP10, 265, 293, 314, 338, 361, 519, , 523
ESP10, 270, 294, 315, 341, 363, 522, , 526
ESP10, 273, 296, 318, 342, 365, 525, , 529
ESP10, 273, 297, 320, 342, 365, 528, , 532
ESP10, 267, 294, 313, 336, 359, 531, , 535
ESP10, 262, 291, 311, 330, 354, 534, , 538
ESP10, 256, 283, 303, 320, 344, 538, , 542
ESP10, 260, 285, 305, 321, 344, 541, , 545
ESP10, 259, 281, 302, 319, 339, 544, , 548
ESP10, 252, 275, 294, 311, 331, 547, , 551
ESP10, 248, 269, 294, 306, 327, 550, , 554
ESP10, 242, 265, 287, 299, 322, 553, , 557
ESP10, 240, 267, 283, 301, 319, 556, , 560
ESP10, 230, 257, 270, 291, 308, 560, , 564
ESP10, 233, 259, 271, 293, 310, 563, , 567
ESP10, 215, 243, 256, 277, 296, 566, , 570
ESP10, 232, 259, 272, 291, 309, 569, , 573
ESP10, 231, 259, 273, 291, 310, 572, , 576
ESP10, 225, 256, 267, 286, 305, 575, , 579
ESP10, 223, 250, 260, 281, 297, 578, , 582
ESP10, 229, 255, 265, 287, 304, 581, , 585
ESP10, 226, 251, 261, 282, 302, 585, , 589
ESP10, 222, 246, 258, 277, 300, 588, , 592
ESP10, 217, 241, 252, 270, 297, 591, , 595
ESP10, 219, 242, 256, 273, 298, 594, , 598
ESP10, 217, 240, 256, 275, 296, 597, , 601
ESP10, 221, 241, 256, 276, 298, 600, , 604
ESP10, 223, 239, 254, 273, 295, 603, , 607
ESP10, 230, 242, 258, 275, 298, 607, , 611
ESP10, 228, 242, 257, 272, 296, 610, , 614
ESP10, 219, 235, 249, 266, 287, 613, , 617
ESP10, 215, 233, 248, 263, 284, 616, , 620
ESP10, 219, 238, 254, 270, 290, 619, , 623
ESP10, 218, 239, 255, 271, 290, 622, , 626
ESP10, 219, 244, 259, 276, 294, 625, , 629
ESP10, 222, 248, 263, 281, 297, 628, , 632
ESP10, 226, 252, 268, 285, 301, 632, , 636
ESP10, 234, 259, 273, 295, 307, 635, , 639
ESP10, 236, 261, 273, 295, 308, 638, , 642
ESP10, 235, 262, 274, 292, 307, 641, , 645
ESP10, 239, 267, 281, 296, 312, 644, , 648
ESP10, 237, 266, 283, 298, 313, 647, , 651
ESP10, 234, 263, 281, 297, 313, 650, , 654
ESP10, 234, 265, 281, 298, 312, 653, , 657
ESP10, 236, 271, 287, 301, 315, 657, , 661
ESP10, 235, 269, 284, 300, 314, 660, , 664
ESP10, 231, 263, 277, 294, 306, 663, , 667
ESP10, 228, 261, 275, 291, 302, 666, , 670
ESP10, 227, 260, 275, 291, 302, 669, , 673
ESP10, 231, 265, 280, 296, 308, 672, , 676
ESP10, 236, 268, 282, 299, 310, 675, , 679
ESP10, 234, 270, 279, 297, 306, 679, , 683
ESP10, 243, 277, 285, 303, 312, 682, , 686
ESP10, 246, 274, 283, 301, 310, 685, , 689
ESP10, 249, 278, 286, 304, 313, 688, , 692
ESP10, 245, 271, 284, 300, 308, 691, , 695
ESP10, 247, 273, 286, 303, 310, 694, , 698
ESP10, 249, 275, 290, 305, 313, 697, , 701
ESP10, 251, 277, 292, 308, 315, 700, , 704
ESP10, 253, 279, 294, 312, 317, 704, , 708
ESP10, 263, 288, 304, 320, 329, 707, , 711
ESP10, 262, 286, 304, 318, 328, 710, , 714
ESP10, 265, 288, 304, 320, 330, 713, , 717
ESP10, 264, 291, 303, 319, 331, 716, , 720
ESP10, 262, 289, 302, 316, 329, 719, , 723
ESP10, 264, 295, 306, 319, 331, 722, , 726
ESP10, 263, 294, 306, 317, 329, 725, , 729
ESP10, 263, 295, 306, 318, 329, 729, , 733
ESP10, 269, 299, 311, 323, 335, 732, , 736
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ESP10
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Data Files
/chpsesp/ensemble/natural/RRHW1N_SQIN.ESPF10.csv
RRHW1N_SQIN.ESPF0.csv|2026-05-01
RRHW1N_SQIN.ESPF10.csv|2026-05-01
RRHW1N_SQIN.ESPFM.csv|2026-05-01
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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