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Water Year
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COLUMBIA - MCNARY DAM
(
MCDW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
83180
87328
92
94413
94820
APR-JUL
68708
72346
89
78347
81590
JAN-SEP
106935
111083
98
118168
113380
JAN-JUL
92464
96101
96
102102
100150
OCT-SEP
125426
129574
101
136659
128739
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
84441
88787
94
96227
94820
APR-JUL
69529
73777
90
80105
81590
JAN-SEP
108196
112542
99
119982
113380
JAN-JUL
93284
97532
97
103860
100150
OCT-SEP
126688
131033
102
138474
128739
Reference
ESP with 0 Days QPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
85496
89508
94
96332
94820
APR-JUL
69197
73499
90
80397
81590
JAN-SEP
109251
113263
100
120087
113380
JAN-JUL
92952
97254
97
104152
100150
OCT-SEP
127742
131755
102
138578
128739
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 253, 318, 359, 415, 451, 71, , 75
ESP10, 247, 317, 355, 411, 449, 74, , 78
ESP10, 244, 317, 351, 412, 448, 77, , 81
ESP10, 243, 314, 352, 413, 447, 81, , 85
ESP10, 243, 315, 352, 412, 446, 84, , 88
ESP10, 239, 310, 349, 412, 444, 87, , 91
ESP10, 241, 312, 352, 415, 445, 90, , 94
ESP10, 243, 315, 355, 417, 447, 93, , 97
ESP10, 240, 316, 356, 418, 447, 96, , 100
ESP10, 236, 313, 351, 414, 444, 100, , 104
ESP10, 234, 315, 352, 410, 443, 103, , 107
ESP10, 235, 318, 355, 411, 445, 106, , 110
ESP10, 229, 317, 349, 411, 444, 109, , 113
ESP10, 230, 318, 351, 414, 447, 112, , 116
ESP10, 228, 316, 345, 411, 445, 115, , 119
ESP10, 213, 303, 333, 402, 433, 119, , 123
ESP10, 204, 295, 326, 394, 425, 122, , 126
ESP10, 214, 303, 335, 403, 433, 125, , 129
ESP10, 217, 306, 337, 406, 434, 128, , 132
ESP10, 219, 308, 342, 406, 436, 131, , 135
ESP10, 207, 301, 334, 395, 427, 134, , 138
ESP10, 207, 306, 339, 403, 427, 138, , 142
ESP10, 201, 306, 334, 399, 424, 141, , 145
ESP10, 209, 322, 343, 407, 434, 144, , 148
ESP10, 212, 326, 351, 416, 438, 147, , 151
ESP10, 214, 327, 351, 420, 441, 150, , 154
ESP10, 214, 327, 351, 422, 439, 153, , 157
ESP10, 227, 330, 356, 424, 440, 156, , 160
ESP10, 219, 323, 352, 417, 435, 160, , 164
ESP10, 201, 309, 339, 405, 426, 163, , 167
ESP10, 200, 309, 339, 404, 424, 166, , 170
ESP10, 206, 312, 343, 409, 429, 169, , 173
ESP10, 216, 314, 343, 405, 432, 172, , 176
ESP10, 225, 323, 352, 413, 441, 175, , 179
ESP10, 231, 324, 356, 416, 443, 179, , 183
ESP10, 231, 326, 356, 416, 441, 182, , 186
ESP10, 232, 325, 355, 414, 442, 185, , 189
ESP10, 227, 318, 348, 406, 435, 188, , 192
ESP10, 234, 324, 354, 412, 441, 191, , 195
ESP10, 237, 322, 356, 410, 444, 194, , 198
ESP10, 243, 328, 359, 410, 451, 198, , 202
ESP10, 249, 337, 360, 412, 453, 201, , 205
ESP10, 259, 344, 369, 416, 459, 204, , 208
ESP10, 269, 345, 374, 425, 466, 207, , 211
ESP10, 266, 338, 370, 423, 462, 210, , 214
ESP10, 273, 342, 374, 426, 467, 213, , 217
ESP10, 268, 335, 370, 423, 466, 217, , 221
ESP10, 280, 341, 376, 428, 473, 220, , 224
ESP10, 283, 338, 374, 423, 473, 223, , 227
ESP10, 284, 341, 376, 425, 474, 226, , 230
ESP10, 282, 342, 374, 423, 472, 229, , 233
ESP10, 277, 341, 369, 418, 471, 232, , 236
ESP10, 275, 345, 371, 416, 468, 236, , 240
ESP10, 286, 355, 382, 427, 475, 239, , 243
ESP10, 283, 353, 379, 429, 471, 242, , 246
ESP10, 283, 352, 380, 430, 470, 245, , 249
ESP10, 275, 344, 377, 427, 466, 248, , 252
ESP10, 274, 342, 379, 430, 464, 251, , 255
ESP10, 277, 343, 381, 432, 465, 254, , 258
ESP10, 265, 327, 373, 419, 452, 258, , 262
ESP10, 254, 313, 364, 409, 442, 261, , 265
ESP10, 260, 320, 370, 414, 448, 264, , 268
ESP10, 248, 315, 361, 403, 440, 267, , 271
ESP10, 229, 293, 338, 384, 424, 270, , 274
ESP10, 232, 297, 341, 389, 431, 273, , 277
ESP10, 223, 294, 336, 385, 423, 277, , 281
ESP10, 230, 300, 346, 397, 431, 280, , 284
ESP10, 225, 294, 339, 393, 426, 283, , 287
ESP10, 210, 273, 320, 375, 414, 286, , 290
ESP10, 204, 268, 315, 367, 404, 289, , 293
ESP10, 201, 265, 313, 367, 405, 292, , 296
ESP10, 206, 263, 314, 371, 410, 296, , 300
ESP10, 204, 264, 315, 370, 411, 299, , 303
ESP10, 201, 259, 310, 365, 408, 302, , 306
ESP10, 205, 259, 313, 363, 410, 305, , 309
ESP10, 207, 256, 312, 362, 409, 308, , 312
ESP10, 205, 256, 315, 358, 409, 311, , 315
ESP10, 213, 260, 317, 358, 411, 315, , 319
ESP10, 214, 267, 320, 357, 412, 318, , 322
ESP10, 221, 269, 315, 354, 407, 321, , 325
ESP10, 232, 273, 319, 360, 410, 324, , 328
ESP10, 238, 275, 323, 364, 408, 327, , 331
ESP10, 251, 280, 332, 374, 416, 330, , 334
ESP10, 255, 281, 335, 379, 418, 333, , 337
ESP10, 247, 270, 326, 375, 411, 337, , 341
ESP10, 241, 265, 321, 374, 413, 340, , 344
ESP10, 242, 272, 323, 379, 416, 343, , 347
ESP10, 244, 278, 331, 384, 422, 346, , 350
ESP10, 242, 281, 330, 379, 420, 349, , 353
ESP10, 250, 285, 328, 379, 419, 352, , 356
ESP10, 257, 286, 337, 376, 420, 356, , 360
ESP10, 257, 288, 335, 375, 419, 359, , 363
ESP10, 251, 286, 329, 370, 413, 362, , 366
ESP10, 250, 295, 330, 377, 414, 365, , 369
ESP10, 242, 289, 326, 373, 407, 368, , 372
ESP10, 240, 290, 327, 374, 406, 371, , 375
ESP10, 237, 290, 325, 374, 407, 375, , 379
ESP10, 236, 291, 325, 375, 407, 378, , 382
ESP10, 241, 289, 325, 374, 406, 381, , 385
ESP10, 248, 288, 328, 372, 405, 384, , 388
ESP10, 245, 289, 330, 372, 404, 387, , 391
ESP10, 245, 292, 328, 372, 407, 390, , 394
ESP10, 243, 292, 327, 369, 406, 394, , 398
ESP10, 245, 294, 323, 366, 407, 397, , 401
ESP10, 251, 293, 328, 365, 410, 400, , 404
ESP10, 250, 298, 332, 366, 410, 403, , 407
ESP10, 247, 293, 334, 364, 407, 406, , 410
ESP10, 252, 299, 336, 367, 408, 409, , 413
ESP10, 254, 304, 336, 369, 407, 412, , 416
ESP10, 260, 318, 342, 376, 412, 416, , 420
ESP10, 267, 319, 343, 376, 412, 419, , 423
ESP10, 275, 321, 347, 379, 417, 422, , 426
ESP10, 281, 324, 350, 383, 417, 425, , 429
ESP10, 286, 329, 355, 387, 422, 428, , 432
ESP10, 287, 329, 357, 386, 423, 431, , 435
ESP10, 278, 329, 354, 385, 419, 435, , 439
ESP10, 284, 331, 358, 386, 421, 438, , 442
ESP10, 288, 331, 361, 387, 426, 441, , 445
ESP10, 290, 339, 361, 388, 428, 444, , 448
ESP10, 290, 343, 363, 388, 427, 447, , 451
ESP10, 293, 340, 360, 387, 424, 450, , 454
ESP10, 294, 338, 357, 383, 420, 454, , 458
ESP10, 287, 332, 351, 378, 417, 457, , 461
ESP10, 291, 332, 351, 380, 422, 460, , 464
ESP10, 296, 334, 351, 379, 423, 463, , 467
ESP10, 298, 337, 352, 380, 423, 466, , 470
ESP10, 293, 333, 350, 379, 419, 469, , 473
ESP10, 300, 339, 355, 385, 423, 473, , 477
ESP10, 300, 337, 353, 384, 421, 476, , 480
ESP10, 301, 336, 354, 383, 419, 479, , 483
ESP10, 301, 338, 354, 383, 416, 482, , 486
ESP10, 305, 340, 353, 383, 416, 485, , 489
ESP10, 305, 336, 350, 379, 410, 488, , 492
ESP10, 310, 339, 353, 383, 412, 491, , 495
ESP10, 306, 343, 355, 384, 409, 495, , 499
ESP10, 299, 332, 344, 375, 399, 498, , 502
ESP10, 298, 329, 343, 373, 399, 501, , 505
ESP10, 302, 335, 349, 376, 404, 504, , 508
ESP10, 288, 323, 338, 365, 394, 507, , 511
ESP10, 301, 335, 350, 376, 406, 510, , 514
ESP10, 293, 326, 343, 369, 401, 514, , 518
ESP10, 300, 333, 353, 377, 407, 517, , 521
ESP10, 305, 334, 352, 380, 406, 520, , 524
ESP10, 310, 339, 356, 385, 411, 523, , 527
ESP10, 313, 338, 358, 385, 413, 526, , 530
ESP10, 317, 342, 360, 389, 415, 529, , 533
ESP10, 321, 342, 362, 391, 414, 533, , 537
ESP10, 315, 336, 357, 382, 406, 536, , 540
ESP10, 312, 330, 355, 377, 401, 539, , 543
ESP10, 301, 324, 348, 369, 392, 542, , 546
ESP10, 305, 330, 354, 371, 395, 545, , 549
ESP10, 300, 327, 352, 368, 391, 548, , 552
ESP10, 292, 319, 349, 363, 383, 552, , 556
ESP10, 283, 313, 344, 358, 375, 555, , 559
ESP10, 280, 311, 342, 357, 369, 558, , 562
ESP10, 278, 311, 337, 355, 369, 561, , 565
ESP10, 270, 303, 330, 347, 360, 564, , 568
ESP10, 272, 306, 330, 347, 362, 567, , 571
ESP10, 264, 297, 319, 333, 350, 571, , 575
ESP10, 278, 309, 333, 346, 364, 574, , 578
ESP10, 278, 309, 328, 344, 362, 577, , 581
ESP10, 271, 304, 322, 339, 355, 580, , 584
ESP10, 274, 304, 321, 341, 356, 583, , 587
ESP10, 279, 308, 325, 346, 362, 586, , 590
ESP10, 278, 310, 326, 345, 360, 589, , 593
ESP10, 275, 308, 322, 342, 357, 593, , 597
ESP10, 269, 303, 317, 338, 352, 596, , 600
ESP10, 271, 304, 320, 343, 355, 599, , 603
ESP10, 273, 304, 319, 343, 357, 602, , 606
ESP10, 279, 307, 326, 345, 359, 605, , 609
ESP10, 281, 304, 324, 343, 357, 608, , 612
ESP10, 288, 306, 325, 344, 360, 612, , 616
ESP10, 290, 305, 324, 341, 360, 615, , 619
ESP10, 278, 294, 314, 331, 350, 618, , 622
ESP10, 272, 291, 310, 325, 343, 621, , 625
ESP10, 278, 297, 313, 332, 347, 624, , 628
ESP10, 274, 293, 313, 333, 345, 627, , 631
ESP10, 276, 295, 319, 338, 347, 631, , 635
ESP10, 278, 302, 324, 341, 354, 634, , 638
ESP10, 281, 303, 326, 345, 361, 637, , 641
ESP10, 288, 310, 336, 351, 364, 640, , 644
ESP10, 291, 311, 338, 352, 367, 643, , 647
ESP10, 289, 309, 336, 347, 364, 646, , 650
ESP10, 294, 319, 342, 354, 370, 650, , 654
ESP10, 292, 318, 341, 355, 368, 653, , 657
ESP10, 289, 315, 341, 357, 366, 656, , 660
ESP10, 292, 316, 341, 358, 366, 659, , 663
ESP10, 294, 323, 345, 362, 369, 662, , 666
ESP10, 292, 316, 341, 357, 364, 665, , 669
ESP10, 287, 311, 335, 349, 357, 668, , 672
ESP10, 282, 308, 330, 344, 352, 672, , 676
ESP10, 283, 309, 330, 344, 351, 675, , 679
ESP10, 282, 310, 330, 345, 352, 678, , 682
ESP10, 287, 314, 335, 349, 356, 681, , 685
ESP10, 286, 316, 332, 346, 351, 684, , 688
ESP10, 299, 325, 340, 354, 360, 687, , 691
ESP10, 296, 320, 338, 352, 357, 691, , 695
ESP10, 305, 327, 341, 356, 362, 694, , 698
ESP10, 306, 322, 340, 352, 359, 697, , 701
ESP10, 306, 322, 341, 353, 359, 700, , 704
ESP10, 309, 324, 340, 355, 360, 703, , 707
ESP10, 311, 325, 344, 357, 362, 706, , 710
ESP10, 313, 331, 349, 360, 366, 710, , 714
ESP10, 322, 343, 358, 369, 378, 713, , 717
ESP10, 321, 344, 357, 368, 380, 716, , 720
ESP10, 322, 346, 358, 370, 380, 719, , 723
ESP10, 322, 345, 358, 368, 379, 722, , 726
ESP10, 321, 347, 357, 367, 378, 725, , 729
ESP10, 323, 349, 359, 369, 380, 729, , 733
ESP10, 324, 348, 358, 367, 379, 732, , 736
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ESP10
HEFS
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Data Files
/chpsesp/ensemble/natural/MCDW1N_SQIN.ESPF10.csv
MCDW1N_SQIN.ESPF0.csv|2026-04-29
MCDW1N_SQIN.ESPF10.csv|2026-04-29
MCDW1N_SQIN.ESPFM.csv|2026-04-29
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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