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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:
2026-04-18
Issued:
2026-04-18
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
87252
91118
96
98124
94820
APR-JUL
70914
75520
93
81910
81590
JAN-SEP
111007
114873
101
121879
113380
JAN-JUL
94669
99275
99
105666
100150
OCT-SEP
129498
133364
104
140370
128739
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-04-18
Issued:
2026-04-18
Hide Forecast
APR-SEP
86001
90461
95
99298
94820
APR-JUL
70209
75115
92
83858
81590
JAN-SEP
109756
114217
101
123053
113380
JAN-JUL
93965
98870
99
107613
100150
OCT-SEP
128248
132708
103
141544
128739
Reference
ESP with 0 Days QPF
Ensemble:
2026-04-18
Issued:
2026-04-18
Hide Forecast
APR-SEP
85961
90731
96
101117
94820
APR-JUL
69669
75597
93
84317
81590
JAN-SEP
109716
114486
101
124872
113380
JAN-JUL
93424
99353
99
108072
100150
OCT-SEP
128208
132977
103
143363
128739
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ESP10, 253, 318, 359, 415, 451, 71, , 75
ESP10, 247, 317, 355, 411, 449, 75, , 79
ESP10, 244, 317, 351, 412, 448, 78, , 82
ESP10, 243, 314, 352, 413, 447, 81, , 85
ESP10, 243, 315, 352, 412, 446, 85, , 89
ESP10, 239, 310, 349, 412, 444, 88, , 92
ESP10, 241, 312, 352, 415, 445, 91, , 95
ESP10, 243, 315, 355, 417, 447, 95, , 99
ESP10, 240, 316, 356, 418, 447, 98, , 102
ESP10, 236, 313, 351, 414, 444, 101, , 105
ESP10, 234, 315, 352, 410, 443, 105, , 109
ESP10, 235, 318, 355, 411, 445, 108, , 112
ESP10, 229, 317, 349, 411, 444, 111, , 115
ESP10, 230, 318, 351, 414, 447, 115, , 119
ESP10, 228, 316, 345, 411, 445, 118, , 122
ESP10, 213, 303, 333, 402, 433, 121, , 125
ESP10, 204, 295, 326, 394, 425, 125, , 129
ESP10, 214, 303, 335, 403, 433, 128, , 132
ESP10, 217, 306, 337, 406, 434, 131, , 135
ESP10, 219, 308, 342, 406, 436, 135, , 139
ESP10, 207, 301, 334, 395, 427, 138, , 142
ESP10, 207, 306, 339, 403, 427, 141, , 145
ESP10, 201, 306, 334, 399, 424, 145, , 149
ESP10, 209, 322, 343, 407, 434, 148, , 152
ESP10, 212, 326, 351, 416, 438, 151, , 155
ESP10, 214, 327, 351, 420, 441, 155, , 159
ESP10, 214, 327, 351, 422, 439, 158, , 162
ESP10, 227, 330, 356, 424, 440, 161, , 165
ESP10, 219, 323, 352, 417, 435, 165, , 169
ESP10, 201, 309, 339, 405, 426, 168, , 172
ESP10, 200, 309, 339, 404, 424, 171, , 175
ESP10, 206, 312, 343, 409, 429, 175, , 179
ESP10, 216, 314, 343, 405, 432, 178, , 182
ESP10, 225, 323, 352, 413, 441, 181, , 185
ESP10, 231, 324, 356, 416, 443, 185, , 189
ESP10, 231, 326, 356, 416, 441, 188, , 192
ESP10, 232, 325, 355, 414, 442, 191, , 195
ESP10, 227, 318, 348, 406, 435, 195, , 199
ESP10, 234, 324, 354, 412, 441, 198, , 202
ESP10, 237, 322, 356, 410, 444, 201, , 205
ESP10, 243, 328, 359, 410, 451, 205, , 209
ESP10, 249, 337, 360, 412, 453, 208, , 212
ESP10, 259, 344, 369, 416, 459, 211, , 215
ESP10, 269, 345, 374, 425, 466, 215, , 219
ESP10, 266, 338, 370, 423, 462, 218, , 222
ESP10, 273, 342, 374, 426, 467, 221, , 225
ESP10, 268, 335, 370, 423, 466, 225, , 229
ESP10, 280, 341, 376, 428, 473, 228, , 232
ESP10, 283, 338, 374, 423, 473, 231, , 235
ESP10, 284, 341, 376, 425, 474, 235, , 239
ESP10, 282, 342, 374, 423, 472, 238, , 242
ESP10, 277, 341, 369, 418, 471, 241, , 245
ESP10, 275, 345, 371, 416, 468, 245, , 249
ESP10, 286, 355, 382, 427, 475, 248, , 252
ESP10, 283, 353, 379, 429, 471, 251, , 255
ESP10, 283, 352, 380, 430, 470, 255, , 259
ESP10, 275, 344, 377, 427, 466, 258, , 262
ESP10, 274, 342, 379, 430, 464, 261, , 265
ESP10, 277, 343, 381, 432, 465, 265, , 269
ESP10, 265, 327, 373, 419, 452, 268, , 272
ESP10, 254, 313, 364, 409, 442, 271, , 275
ESP10, 260, 320, 370, 414, 448, 275, , 279
ESP10, 248, 315, 361, 403, 440, 278, , 282
ESP10, 229, 293, 338, 384, 424, 281, , 285
ESP10, 232, 297, 341, 389, 431, 285, , 289
ESP10, 223, 294, 336, 385, 423, 288, , 292
ESP10, 230, 300, 346, 397, 431, 291, , 295
ESP10, 225, 294, 339, 393, 426, 295, , 299
ESP10, 210, 273, 320, 375, 414, 298, , 302
ESP10, 204, 268, 315, 367, 404, 301, , 305
ESP10, 201, 265, 313, 367, 405, 305, , 309
ESP10, 206, 263, 314, 371, 410, 308, , 312
ESP10, 204, 264, 315, 370, 411, 311, , 315
ESP10, 201, 259, 310, 365, 408, 315, , 319
ESP10, 205, 259, 313, 363, 410, 318, , 322
ESP10, 207, 256, 312, 362, 409, 321, , 325
ESP10, 205, 256, 315, 358, 409, 325, , 329
ESP10, 213, 260, 317, 358, 411, 328, , 332
ESP10, 214, 267, 320, 357, 412, 331, , 335
ESP10, 221, 269, 315, 354, 407, 335, , 339
ESP10, 232, 273, 319, 360, 410, 338, , 342
ESP10, 238, 275, 323, 364, 408, 341, , 345
ESP10, 251, 280, 332, 374, 416, 345, , 349
ESP10, 255, 281, 335, 379, 418, 348, , 352
ESP10, 247, 270, 326, 375, 411, 351, , 355
ESP10, 241, 265, 321, 374, 413, 355, , 359
ESP10, 242, 272, 323, 379, 416, 358, , 362
ESP10, 244, 278, 331, 384, 422, 361, , 365
ESP10, 242, 281, 330, 379, 420, 365, , 369
ESP10, 250, 285, 328, 379, 419, 368, , 372
ESP10, 257, 286, 337, 376, 420, 371, , 375
ESP10, 257, 288, 335, 375, 419, 375, , 379
ESP10, 251, 286, 329, 370, 413, 378, , 382
ESP10, 250, 295, 330, 377, 414, 381, , 385
ESP10, 242, 289, 326, 373, 407, 385, , 389
ESP10, 240, 290, 327, 374, 406, 388, , 392
ESP10, 237, 290, 325, 374, 407, 391, , 395
ESP10, 236, 291, 325, 375, 407, 395, , 399
ESP10, 241, 289, 325, 374, 406, 398, , 402
ESP10, 248, 288, 328, 372, 405, 401, , 405
ESP10, 245, 289, 330, 372, 404, 405, , 409
ESP10, 245, 292, 328, 372, 407, 408, , 412
ESP10, 243, 292, 327, 369, 406, 411, , 415
ESP10, 245, 294, 323, 366, 407, 415, , 419
ESP10, 251, 293, 328, 365, 410, 418, , 422
ESP10, 250, 298, 332, 366, 410, 421, , 425
ESP10, 247, 293, 334, 364, 407, 425, , 429
ESP10, 252, 299, 336, 367, 408, 428, , 432
ESP10, 254, 304, 336, 369, 407, 431, , 435
ESP10, 260, 318, 342, 376, 412, 435, , 439
ESP10, 267, 319, 343, 376, 412, 438, , 442
ESP10, 275, 321, 347, 379, 417, 441, , 445
ESP10, 281, 324, 350, 383, 417, 445, , 449
ESP10, 286, 329, 355, 387, 422, 448, , 452
ESP10, 287, 329, 357, 386, 423, 451, , 455
ESP10, 278, 329, 354, 385, 419, 455, , 459
ESP10, 284, 331, 358, 386, 421, 458, , 462
ESP10, 288, 331, 361, 387, 426, 461, , 465
ESP10, 290, 339, 361, 388, 428, 465, , 469
ESP10, 290, 343, 363, 388, 427, 468, , 472
ESP10, 293, 340, 360, 387, 424, 471, , 475
ESP10, 294, 338, 357, 383, 420, 475, , 479
ESP10, 287, 332, 351, 378, 417, 478, , 482
ESP10, 291, 332, 351, 380, 422, 481, , 485
ESP10, 296, 334, 351, 379, 423, 485, , 489
ESP10, 298, 337, 352, 380, 423, 488, , 492
ESP10, 293, 333, 350, 379, 419, 491, , 495
ESP10, 300, 339, 355, 385, 423, 495, , 499
ESP10, 300, 337, 353, 384, 421, 498, , 502
ESP10, 301, 336, 354, 383, 419, 501, , 505
ESP10, 301, 338, 354, 383, 416, 505, , 509
ESP10, 305, 340, 353, 383, 416, 508, , 512
ESP10, 305, 336, 350, 379, 410, 511, , 515
ESP10, 310, 339, 353, 383, 412, 515, , 519
ESP10, 306, 343, 355, 384, 409, 518, , 522
ESP10, 299, 332, 344, 375, 399, 521, , 525
ESP10, 298, 329, 343, 373, 399, 525, , 529
ESP10, 302, 335, 349, 376, 404, 528, , 532
ESP10, 288, 323, 338, 365, 394, 531, , 535
ESP10, 301, 335, 350, 376, 406, 535, , 539
ESP10, 293, 326, 343, 369, 401, 538, , 542
ESP10, 300, 333, 353, 377, 407, 541, , 545
ESP10, 305, 334, 352, 380, 406, 545, , 549
ESP10, 310, 339, 356, 385, 411, 548, , 552
ESP10, 313, 338, 358, 385, 413, 551, , 555
ESP10, 317, 342, 360, 389, 415, 555, , 559
ESP10, 321, 342, 362, 391, 414, 558, , 562
ESP10, 315, 336, 357, 382, 406, 561, , 565
ESP10, 312, 330, 355, 377, 401, 565, , 569
ESP10, 301, 324, 348, 369, 392, 568, , 572
ESP10, 305, 330, 354, 371, 395, 571, , 575
ESP10, 300, 327, 352, 368, 391, 575, , 579
ESP10, 292, 319, 349, 363, 383, 578, , 582
ESP10, 283, 313, 344, 358, 375, 581, , 585
ESP10, 280, 311, 342, 357, 369, 585, , 589
ESP10, 278, 311, 337, 355, 369, 588, , 592
ESP10, 270, 303, 330, 347, 360, 591, , 595
ESP10, 272, 306, 330, 347, 362, 595, , 599
ESP10, 264, 297, 319, 333, 350, 598, , 602
ESP10, 278, 309, 333, 346, 364, 601, , 605
ESP10, 278, 309, 328, 344, 362, 605, , 609
ESP10, 271, 304, 322, 339, 355, 608, , 612
ESP10, 274, 304, 321, 341, 356, 611, , 615
ESP10, 279, 308, 325, 346, 362, 615, , 619
ESP10, 278, 310, 326, 345, 360, 618, , 622
ESP10, 275, 308, 322, 342, 357, 621, , 625
ESP10, 269, 303, 317, 338, 352, 625, , 629
ESP10, 271, 304, 320, 343, 355, 628, , 632
ESP10, 273, 304, 319, 343, 357, 631, , 635
ESP10, 279, 307, 326, 345, 359, 635, , 639
ESP10, 281, 304, 324, 343, 357, 638, , 642
ESP10, 288, 306, 325, 344, 360, 641, , 645
ESP10, 290, 305, 324, 341, 360, 645, , 649
ESP10, 278, 294, 314, 331, 350, 648, , 652
ESP10, 272, 291, 310, 325, 343, 651, , 655
ESP10, 278, 297, 313, 332, 347, 655, , 659
ESP10, 274, 293, 313, 333, 345, 658, , 662
ESP10, 276, 295, 319, 338, 347, 661, , 665
ESP10, 278, 302, 324, 341, 354, 665, , 669
ESP10, 281, 303, 326, 345, 361, 668, , 672
ESP10, 288, 310, 336, 351, 364, 671, , 675
ESP10, 291, 311, 338, 352, 367, 675, , 679
ESP10, 289, 309, 336, 347, 364, 678, , 682
ESP10, 294, 319, 342, 354, 370, 681, , 685
ESP10, 292, 318, 341, 355, 368, 685, , 689
ESP10, 289, 315, 341, 357, 366, 688, , 692
ESP10, 292, 316, 341, 358, 366, 691, , 695
ESP10, 294, 323, 345, 362, 369, 695, , 699
ESP10, 292, 316, 341, 357, 364, 698, , 702
ESP10, 287, 311, 335, 349, 357, 701, , 705
ESP10, 282, 308, 330, 344, 352, 705, , 709
ESP10, 283, 309, 330, 344, 351, 708, , 712
ESP10, 282, 310, 330, 345, 352, 711, , 715
ESP10, 287, 314, 335, 349, 356, 715, , 719
ESP10, 286, 316, 332, 346, 351, 718, , 722
ESP10, 299, 325, 340, 354, 360, 721, , 725
ESP10, 296, 320, 338, 352, 357, 725, , 729
ESP10, 305, 327, 341, 356, 362, 728, , 732
ESP10, 306, 322, 340, 352, 359, 731, , 735
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ESP10
HEFS
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Data Files
/chpsesp/ensemble/natural/MCDW1N_SQIN.ESPF10.csv
MCDW1N_SQIN.ESPF0.csv|2026-04-18
MCDW1N_SQIN.ESPF10.csv|2026-04-18
MCDW1N_SQIN.ESPFM.csv|2026-04-18
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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