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Archive:
Water Year
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COLUMBIA - BLO ROCK ISLAND DAM
(
RISW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-05-14
Issued:
2026-05-14
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
64686
67141
98
71568
68217
APR-JUL
52150
54289
94
57706
57718
JAN-SEP
78780
81236
104
85663
77883
JAN-JUL
66245
68384
101
71800
67384
OCT-SEP
90557
93013
106
97440
87957
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-05-14
Issued:
2026-05-14
Hide Forecast
APR-SEP
65988
68481
100
73535
68217
APR-JUL
53374
55897
97
60143
57718
JAN-SEP
80083
82576
106
87630
77883
JAN-JUL
67469
69992
104
74238
67384
OCT-SEP
91859
94353
107
99407
87957
Reference
ESP with 0 Days QPF
Ensemble:
2026-05-14
Issued:
2026-05-14
Hide Forecast
APR-SEP
66165
69101
101
75141
68217
APR-JUL
53783
56328
98
61312
57718
JAN-SEP
80260
83195
107
89236
77883
JAN-JUL
67878
70423
105
75407
67384
OCT-SEP
92036
94972
108
101013
87957
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, 74, , 78
ESP10, 222, 298, 351, 407, 436, 77, , 81
ESP10, 221, 298, 352, 405, 434, 80, , 84
ESP10, 222, 298, 353, 402, 432, 83, , 87
ESP10, 220, 296, 352, 398, 432, 86, , 90
ESP10, 225, 299, 353, 401, 436, 89, , 93
ESP10, 229, 302, 358, 402, 436, 92, , 96
ESP10, 229, 305, 359, 402, 437, 95, , 99
ESP10, 227, 307, 356, 400, 436, 98, , 102
ESP10, 227, 312, 359, 401, 437, 100, , 104
ESP10, 225, 312, 358, 402, 436, 103, , 107
ESP10, 219, 307, 352, 397, 432, 106, , 110
ESP10, 221, 309, 354, 401, 434, 109, , 113
ESP10, 221, 306, 351, 400, 434, 112, , 116
ESP10, 208, 297, 337, 389, 424, 115, , 119
ESP10, 198, 286, 329, 380, 414, 118, , 122
ESP10, 209, 296, 342, 393, 425, 121, , 125
ESP10, 210, 298, 346, 395, 428, 124, , 128
ESP10, 210, 299, 346, 397, 431, 127, , 131
ESP10, 200, 291, 337, 388, 421, 130, , 134
ESP10, 201, 291, 336, 391, 420, 133, , 137
ESP10, 194, 288, 331, 386, 420, 136, , 140
ESP10, 202, 297, 343, 392, 429, 139, , 143
ESP10, 207, 302, 348, 401, 432, 142, , 146
ESP10, 211, 308, 352, 406, 436, 145, , 149
ESP10, 213, 306, 352, 406, 436, 148, , 152
ESP10, 215, 308, 351, 406, 436, 151, , 155
ESP10, 205, 301, 343, 399, 428, 154, , 158
ESP10, 189, 287, 330, 387, 417, 157, , 161
ESP10, 188, 286, 332, 386, 421, 159, , 163
ESP10, 194, 292, 338, 388, 428, 162, , 166
ESP10, 190, 288, 337, 387, 427, 165, , 169
ESP10, 201, 299, 345, 400, 437, 168, , 172
ESP10, 208, 303, 347, 402, 438, 171, , 175
ESP10, 211, 303, 347, 400, 436, 174, , 178
ESP10, 213, 302, 346, 398, 437, 177, , 181
ESP10, 210, 295, 344, 389, 430, 180, , 184
ESP10, 216, 301, 351, 395, 438, 183, , 187
ESP10, 213, 300, 352, 390, 437, 186, , 190
ESP10, 214, 302, 351, 392, 438, 189, , 193
ESP10, 219, 302, 349, 396, 438, 192, , 196
ESP10, 230, 307, 361, 402, 445, 195, , 199
ESP10, 243, 312, 365, 403, 450, 198, , 202
ESP10, 237, 307, 357, 396, 441, 201, , 205
ESP10, 246, 312, 363, 402, 445, 204, , 208
ESP10, 238, 304, 354, 395, 439, 207, , 211
ESP10, 246, 310, 363, 400, 449, 210, , 214
ESP10, 241, 304, 358, 401, 446, 213, , 217
ESP10, 245, 310, 364, 402, 450, 216, , 220
ESP10, 246, 310, 364, 400, 448, 219, , 223
ESP10, 247, 315, 359, 399, 444, 221, , 225
ESP10, 244, 317, 358, 396, 439, 224, , 228
ESP10, 254, 326, 367, 408, 447, 227, , 231
ESP10, 250, 322, 362, 407, 444, 230, , 234
ESP10, 253, 318, 359, 408, 444, 233, , 237
ESP10, 251, 314, 355, 403, 439, 236, , 240
ESP10, 251, 312, 355, 403, 439, 239, , 243
ESP10, 252, 313, 361, 408, 441, 242, , 246
ESP10, 243, 303, 351, 400, 431, 245, , 249
ESP10, 232, 293, 341, 389, 421, 248, , 252
ESP10, 236, 294, 343, 392, 423, 251, , 255
ESP10, 229, 284, 337, 385, 414, 254, , 258
ESP10, 214, 262, 321, 365, 402, 257, , 261
ESP10, 214, 264, 326, 365, 407, 260, , 264
ESP10, 209, 261, 320, 360, 405, 263, , 267
ESP10, 220, 272, 330, 372, 419, 266, , 270
ESP10, 203, 257, 315, 358, 404, 269, , 273
ESP10, 176, 229, 286, 329, 377, 272, , 276
ESP10, 167, 227, 278, 319, 368, 275, , 279
ESP10, 166, 230, 280, 319, 369, 278, , 282
ESP10, 173, 242, 288, 326, 377, 281, , 285
ESP10, 174, 242, 293, 328, 378, 283, , 287
ESP10, 168, 234, 287, 321, 373, 286, , 290
ESP10, 174, 231, 290, 322, 372, 289, , 293
ESP10, 182, 231, 293, 322, 374, 292, , 296
ESP10, 184, 230, 299, 321, 377, 295, , 299
ESP10, 182, 226, 296, 318, 374, 298, , 302
ESP10, 178, 225, 291, 313, 368, 301, , 305
ESP10, 181, 227, 283, 307, 362, 304, , 308
ESP10, 194, 236, 289, 314, 367, 307, , 311
ESP10, 200, 234, 287, 312, 365, 310, , 314
ESP10, 213, 245, 298, 324, 376, 313, , 317
ESP10, 218, 249, 301, 333, 380, 316, , 320
ESP10, 213, 241, 296, 329, 375, 319, , 323
ESP10, 209, 236, 291, 327, 374, 322, , 326
ESP10, 211, 240, 293, 328, 376, 325, , 329
ESP10, 216, 245, 297, 332, 390, 328, , 332
ESP10, 212, 243, 293, 331, 388, 331, , 335
ESP10, 217, 246, 297, 332, 388, 334, , 338
ESP10, 224, 260, 304, 338, 390, 337, , 341
ESP10, 222, 257, 304, 335, 386, 340, , 344
ESP10, 215, 251, 303, 329, 383, 342, , 346
ESP10, 216, 254, 304, 331, 386, 345, , 349
ESP10, 207, 250, 297, 325, 380, 348, , 352
ESP10, 206, 262, 298, 329, 381, 351, , 355
ESP10, 206, 262, 301, 329, 382, 354, , 358
ESP10, 206, 261, 299, 332, 381, 357, , 361
ESP10, 208, 263, 300, 331, 378, 360, , 364
ESP10, 212, 263, 295, 333, 375, 363, , 367
ESP10, 210, 261, 294, 332, 372, 366, , 370
ESP10, 211, 260, 295, 333, 372, 369, , 373
ESP10, 210, 258, 294, 331, 368, 372, , 376
ESP10, 207, 257, 292, 328, 365, 375, , 379
ESP10, 214, 261, 291, 327, 365, 378, , 382
ESP10, 215, 261, 292, 325, 363, 381, , 385
ESP10, 212, 264, 290, 323, 363, 384, , 388
ESP10, 213, 266, 292, 327, 363, 387, , 391
ESP10, 215, 267, 294, 327, 364, 390, , 394
ESP10, 226, 279, 302, 337, 371, 393, , 397
ESP10, 233, 284, 305, 339, 373, 396, , 400
ESP10, 238, 291, 312, 346, 378, 399, , 403
ESP10, 238, 293, 316, 348, 378, 402, , 406
ESP10, 242, 297, 321, 351, 382, 404, , 408
ESP10, 242, 296, 322, 352, 382, 407, , 411
ESP10, 238, 292, 317, 347, 376, 410, , 414
ESP10, 242, 296, 319, 352, 379, 413, , 417
ESP10, 243, 299, 321, 354, 380, 416, , 420
ESP10, 249, 301, 321, 356, 383, 419, , 423
ESP10, 248, 302, 321, 355, 386, 422, , 426
ESP10, 246, 302, 323, 354, 385, 425, , 429
ESP10, 240, 296, 314, 344, 381, 428, , 432
ESP10, 233, 289, 307, 336, 375, 431, , 435
ESP10, 243, 291, 310, 338, 378, 434, , 438
ESP10, 245, 291, 311, 339, 381, 437, , 441
ESP10, 243, 289, 311, 337, 379, 440, , 444
ESP10, 242, 286, 306, 334, 374, 443, , 447
ESP10, 251, 296, 316, 339, 381, 446, , 450
ESP10, 252, 294, 312, 339, 377, 449, , 453
ESP10, 251, 293, 313, 343, 375, 452, , 456
ESP10, 254, 296, 316, 344, 375, 455, , 459
ESP10, 258, 299, 322, 345, 374, 458, , 462
ESP10, 253, 293, 318, 337, 367, 461, , 465
ESP10, 256, 297, 320, 338, 370, 464, , 468
ESP10, 253, 298, 317, 338, 366, 466, , 470
ESP10, 241, 286, 303, 328, 352, 469, , 473
ESP10, 243, 286, 302, 329, 352, 472, , 476
ESP10, 249, 293, 311, 335, 358, 475, , 479
ESP10, 237, 281, 302, 323, 346, 478, , 482
ESP10, 249, 289, 314, 332, 357, 481, , 485
ESP10, 245, 284, 307, 327, 350, 484, , 488
ESP10, 253, 290, 313, 332, 357, 487, , 491
ESP10, 253, 287, 310, 331, 355, 490, , 494
ESP10, 266, 294, 317, 340, 363, 493, , 497
ESP10, 271, 296, 318, 343, 365, 496, , 500
ESP10, 275, 298, 321, 345, 367, 499, , 503
ESP10, 275, 299, 323, 344, 366, 502, , 506
ESP10, 270, 296, 316, 339, 361, 505, , 509
ESP10, 265, 292, 313, 332, 356, 508, , 512
ESP10, 258, 284, 306, 322, 346, 511, , 515
ESP10, 262, 287, 307, 323, 346, 514, , 518
ESP10, 260, 283, 305, 321, 341, 517, , 521
ESP10, 253, 277, 297, 313, 332, 520, , 524
ESP10, 248, 271, 296, 307, 328, 523, , 527
ESP10, 242, 267, 289, 301, 323, 525, , 529
ESP10, 241, 269, 285, 303, 321, 528, , 532
ESP10, 231, 259, 272, 293, 310, 531, , 535
ESP10, 234, 260, 273, 295, 312, 534, , 538
ESP10, 216, 245, 257, 278, 298, 537, , 541
ESP10, 233, 261, 274, 292, 311, 540, , 544
ESP10, 232, 262, 275, 292, 312, 543, , 547
ESP10, 227, 258, 270, 288, 308, 546, , 550
ESP10, 225, 253, 262, 283, 300, 549, , 553
ESP10, 230, 258, 268, 289, 306, 552, , 556
ESP10, 227, 253, 263, 284, 305, 555, , 559
ESP10, 224, 248, 260, 278, 302, 558, , 562
ESP10, 219, 243, 255, 272, 299, 561, , 565
ESP10, 221, 245, 258, 276, 301, 564, , 568
ESP10, 219, 243, 257, 278, 298, 567, , 571
ESP10, 223, 243, 258, 279, 301, 570, , 574
ESP10, 225, 242, 257, 276, 297, 573, , 577
ESP10, 232, 245, 261, 278, 301, 576, , 580
ESP10, 231, 244, 259, 275, 298, 579, , 583
ESP10, 221, 237, 251, 268, 289, 582, , 586
ESP10, 218, 235, 250, 266, 286, 585, , 589
ESP10, 221, 240, 256, 273, 292, 587, , 591
ESP10, 220, 242, 256, 274, 292, 590, , 594
ESP10, 222, 246, 261, 279, 296, 593, , 597
ESP10, 224, 251, 265, 284, 300, 596, , 600
ESP10, 228, 255, 270, 288, 303, 599, , 603
ESP10, 236, 261, 276, 297, 309, 602, , 606
ESP10, 238, 264, 276, 297, 310, 605, , 609
ESP10, 237, 265, 276, 295, 309, 608, , 612
ESP10, 241, 270, 283, 299, 315, 611, , 615
ESP10, 239, 269, 286, 301, 315, 614, , 618
ESP10, 236, 266, 284, 300, 315, 617, , 621
ESP10, 237, 269, 284, 302, 315, 620, , 624
ESP10, 239, 274, 290, 305, 318, 623, , 627
ESP10, 238, 273, 287, 303, 317, 626, , 630
ESP10, 234, 267, 280, 297, 309, 629, , 633
ESP10, 231, 264, 278, 294, 305, 632, , 636
ESP10, 231, 264, 278, 295, 305, 635, , 639
ESP10, 234, 268, 283, 300, 311, 638, , 642
ESP10, 239, 271, 285, 302, 313, 641, , 645
ESP10, 237, 273, 282, 300, 309, 644, , 648
ESP10, 246, 280, 287, 306, 315, 647, , 651
ESP10, 249, 277, 286, 304, 313, 649, , 653
ESP10, 252, 280, 290, 307, 315, 652, , 656
ESP10, 248, 274, 287, 303, 310, 655, , 659
ESP10, 250, 276, 290, 306, 312, 658, , 662
ESP10, 252, 278, 293, 308, 315, 661, , 665
ESP10, 254, 280, 295, 311, 318, 664, , 668
ESP10, 257, 282, 298, 315, 320, 667, , 671
ESP10, 266, 291, 308, 323, 331, 670, , 674
ESP10, 266, 290, 306, 321, 331, 673, , 677
ESP10, 268, 291, 307, 322, 332, 676, , 680
ESP10, 268, 294, 306, 321, 333, 679, , 683
ESP10, 266, 292, 305, 319, 332, 682, , 686
ESP10, 268, 298, 309, 321, 333, 685, , 689
ESP10, 266, 297, 309, 320, 332, 688, , 692
ESP10, 267, 298, 310, 320, 332, 691, , 695
ESP10, 273, 302, 313, 326, 337, 694, , 698
ESP10, 276, 306, 318, 330, 341, 697, , 701
ESP10, 277, 306, 319, 332, 341, 700, , 704
ESP10, 278, 305, 319, 332, 340, 703, , 707
ESP10, 280, 304, 319, 331, 337, 706, , 710
ESP10, 284, 304, 321, 333, 337, 708, , 712
ESP10, 283, 304, 321, 333, 338, 711, , 715
ESP10, 283, 302, 320, 332, 340, 714, , 718
ESP10, 285, 304, 320, 332, 340, 717, , 721
ESP10, 286, 305, 321, 333, 340, 720, , 724
ESP10, 287, 304, 318, 332, 338, 723, , 727
ESP10, 288, 304, 317, 329, 335, 726, , 730
ESP10, 287, 305, 318, 329, 336, 729, , 733
ESP10, 285, 302, 316, 328, 334, 732, , 736
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ESP10
HEFS
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Data Files
/chpsesp/ensemble/natural/RISW1N_SQIN.ESPF10.csv
RISW1N_SQIN.ESPF0.csv|2026-05-14
RISW1N_SQIN.ESPF10.csv|2026-05-14
RISW1N_SQIN.ESPFM.csv|2026-05-14
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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