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Archive:
Water Year
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COLUMBIA - WELLS DAM
(
WELW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-03-08
Issued:
2026-03-08
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
65533
70829
108
76027
65328
APR-JUL
51262
56798
103
62868
55110
JAN-SEP
77787
82905
111
88282
74438
JAN-JUL
63537
69237
108
75222
64220
OCT-SEP
88290
93408
111
98785
83937
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-03-08
Issued:
2026-03-08
Hide Forecast
APR-SEP
63100
69460
106
76026
65328
APR-JUL
50293
56301
102
61161
55110
JAN-SEP
74889
81486
109
88090
74438
JAN-JUL
62220
68673
107
73388
64220
OCT-SEP
85392
91989
110
98593
83937
Reference
ESP with 0 Days QPF
Ensemble:
2026-03-08
Issued:
2026-03-08
Hide Forecast
APR-SEP
60199
66538
102
72805
65328
APR-JUL
47626
53784
98
58364
55110
JAN-SEP
71922
78452
105
84730
74438
JAN-JUL
59431
65815
102
70504
64220
OCT-SEP
82426
88955
106
95234
83937
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 229, 298, 352, 406, 435, 72, , 76
ESP10, 224, 295, 347, 402, 430, 76, , 80
ESP10, 227, 299, 352, 404, 435, 81, , 85
ESP10, 226, 301, 353, 402, 434, 85, , 89
ESP10, 226, 302, 353, 399, 431, 89, , 93
ESP10, 224, 300, 352, 398, 433, 93, , 97
ESP10, 229, 304, 353, 400, 438, 97, , 101
ESP10, 233, 307, 358, 401, 439, 102, , 106
ESP10, 234, 308, 359, 402, 440, 106, , 110
ESP10, 233, 310, 357, 401, 439, 110, , 114
ESP10, 233, 312, 359, 402, 440, 114, , 118
ESP10, 232, 312, 359, 403, 439, 118, , 122
ESP10, 226, 306, 352, 398, 435, 122, , 126
ESP10, 228, 309, 355, 402, 437, 127, , 131
ESP10, 228, 306, 353, 400, 437, 131, , 135
ESP10, 215, 295, 339, 387, 428, 135, , 139
ESP10, 205, 285, 329, 379, 417, 139, , 143
ESP10, 216, 295, 343, 389, 429, 143, , 147
ESP10, 216, 296, 348, 392, 431, 148, , 152
ESP10, 215, 296, 349, 395, 434, 152, , 156
ESP10, 205, 288, 342, 385, 425, 156, , 160
ESP10, 206, 287, 341, 393, 424, 160, , 164
ESP10, 199, 288, 335, 388, 424, 164, , 168
ESP10, 207, 298, 347, 394, 432, 169, , 173
ESP10, 212, 302, 351, 400, 435, 173, , 177
ESP10, 216, 314, 355, 406, 439, 177, , 181
ESP10, 219, 315, 356, 405, 440, 181, , 185
ESP10, 219, 314, 356, 406, 440, 185, , 189
ESP10, 209, 303, 347, 397, 432, 189, , 193
ESP10, 194, 289, 333, 384, 421, 194, , 198
ESP10, 193, 288, 337, 385, 425, 198, , 202
ESP10, 198, 292, 341, 389, 432, 202, , 206
ESP10, 195, 290, 340, 388, 431, 206, , 210
ESP10, 206, 302, 348, 397, 440, 210, , 214
ESP10, 215, 306, 350, 398, 441, 215, , 219
ESP10, 215, 306, 350, 398, 440, 219, , 223
ESP10, 217, 305, 350, 396, 440, 223, , 227
ESP10, 214, 295, 347, 388, 433, 227, , 231
ESP10, 221, 301, 353, 393, 440, 231, , 235
ESP10, 217, 302, 355, 391, 440, 236, , 240
ESP10, 221, 304, 355, 391, 441, 240, , 244
ESP10, 225, 304, 353, 395, 439, 244, , 248
ESP10, 235, 311, 362, 401, 445, 248, , 252
ESP10, 248, 317, 366, 402, 450, 252, , 256
ESP10, 241, 312, 358, 396, 441, 256, , 260
ESP10, 250, 316, 364, 400, 445, 261, , 265
ESP10, 242, 306, 356, 395, 440, 265, , 269
ESP10, 250, 312, 365, 399, 450, 269, , 273
ESP10, 245, 306, 361, 398, 446, 273, , 277
ESP10, 248, 309, 366, 399, 450, 277, , 281
ESP10, 251, 312, 365, 398, 449, 282, , 286
ESP10, 251, 318, 361, 397, 445, 286, , 290
ESP10, 248, 319, 360, 395, 441, 290, , 294
ESP10, 257, 327, 369, 406, 448, 294, , 298
ESP10, 253, 323, 364, 405, 444, 298, , 302
ESP10, 256, 320, 361, 405, 445, 303, , 307
ESP10, 254, 315, 356, 400, 440, 307, , 311
ESP10, 254, 313, 355, 402, 439, 311, , 315
ESP10, 255, 315, 362, 408, 440, 315, , 319
ESP10, 246, 303, 353, 398, 429, 319, , 323
ESP10, 235, 294, 343, 389, 419, 323, , 327
ESP10, 238, 295, 344, 392, 423, 328, , 332
ESP10, 232, 286, 338, 384, 415, 332, , 336
ESP10, 218, 263, 320, 366, 403, 336, , 340
ESP10, 219, 267, 325, 366, 408, 340, , 344
ESP10, 214, 264, 319, 360, 405, 344, , 348
ESP10, 224, 274, 329, 370, 418, 349, , 353
ESP10, 208, 260, 314, 356, 404, 353, , 357
ESP10, 180, 232, 285, 328, 377, 357, , 361
ESP10, 171, 227, 278, 318, 368, 361, , 365
ESP10, 171, 234, 280, 317, 371, 365, , 369
ESP10, 177, 246, 286, 324, 379, 370, , 374
ESP10, 178, 247, 291, 326, 381, 374, , 378
ESP10, 172, 238, 284, 320, 375, 378, , 382
ESP10, 177, 236, 290, 319, 373, 382, , 386
ESP10, 185, 236, 294, 320, 375, 386, , 390
ESP10, 186, 236, 298, 320, 378, 390, , 394
ESP10, 184, 232, 296, 317, 375, 395, , 399
ESP10, 181, 229, 289, 313, 369, 399, , 403
ESP10, 186, 230, 281, 309, 362, 403, , 407
ESP10, 198, 238, 287, 315, 367, 407, , 411
ESP10, 203, 237, 286, 314, 367, 411, , 415
ESP10, 215, 250, 298, 326, 378, 416, , 420
ESP10, 220, 254, 300, 330, 382, 420, , 424
ESP10, 215, 246, 296, 327, 377, 424, , 428
ESP10, 212, 241, 292, 328, 376, 428, , 432
ESP10, 214, 244, 294, 328, 377, 432, , 436
ESP10, 218, 247, 297, 331, 389, 437, , 441
ESP10, 214, 247, 292, 328, 387, 441, , 445
ESP10, 219, 250, 295, 330, 388, 445, , 449
ESP10, 226, 262, 303, 335, 389, 449, , 453
ESP10, 225, 260, 304, 332, 385, 453, , 457
ESP10, 218, 254, 302, 326, 382, 457, , 461
ESP10, 219, 259, 303, 328, 387, 462, , 466
ESP10, 210, 252, 295, 322, 381, 466, , 470
ESP10, 208, 263, 296, 325, 382, 470, , 474
ESP10, 210, 263, 299, 327, 383, 474, , 478
ESP10, 209, 261, 296, 329, 381, 478, , 482
ESP10, 211, 261, 296, 329, 379, 483, , 487
ESP10, 214, 261, 291, 329, 375, 487, , 491
ESP10, 212, 258, 290, 331, 372, 491, , 495
ESP10, 213, 257, 292, 331, 372, 495, , 499
ESP10, 213, 255, 290, 330, 369, 499, , 503
ESP10, 210, 255, 290, 326, 366, 504, , 508
ESP10, 215, 257, 290, 325, 365, 508, , 512
ESP10, 215, 260, 293, 324, 364, 512, , 516
ESP10, 216, 263, 292, 322, 363, 516, , 520
ESP10, 217, 265, 293, 326, 364, 520, , 524
ESP10, 218, 268, 294, 325, 363, 524, , 528
ESP10, 229, 276, 301, 334, 370, 529, , 533
ESP10, 235, 281, 304, 338, 371, 533, , 537
ESP10, 240, 288, 311, 343, 377, 537, , 541
ESP10, 240, 290, 312, 344, 377, 541, , 545
ESP10, 244, 294, 318, 348, 381, 545, , 549
ESP10, 244, 295, 319, 349, 380, 550, , 554
ESP10, 240, 289, 316, 344, 374, 554, , 558
ESP10, 244, 296, 319, 349, 378, 558, , 562
ESP10, 245, 298, 319, 352, 379, 562, , 566
ESP10, 251, 300, 319, 352, 380, 566, , 570
ESP10, 250, 301, 319, 352, 382, 571, , 575
ESP10, 249, 301, 320, 351, 382, 575, , 579
ESP10, 240, 295, 312, 341, 376, 579, , 583
ESP10, 233, 288, 305, 333, 370, 583, , 587
ESP10, 243, 289, 308, 335, 374, 587, , 591
ESP10, 247, 291, 311, 336, 376, 591, , 595
ESP10, 245, 289, 311, 334, 375, 596, , 600
ESP10, 245, 283, 305, 331, 370, 600, , 604
ESP10, 253, 293, 313, 337, 377, 604, , 608
ESP10, 254, 291, 310, 336, 373, 608, , 612
ESP10, 252, 290, 311, 340, 370, 612, , 616
ESP10, 255, 294, 316, 342, 370, 617, , 621
ESP10, 259, 298, 320, 342, 370, 621, , 625
ESP10, 253, 293, 315, 334, 363, 625, , 629
ESP10, 257, 297, 317, 336, 366, 629, , 633
ESP10, 253, 297, 315, 337, 362, 633, , 637
ESP10, 240, 284, 302, 328, 348, 638, , 642
ESP10, 242, 285, 301, 329, 350, 642, , 646
ESP10, 249, 290, 308, 334, 356, 646, , 650
ESP10, 238, 278, 299, 323, 344, 650, , 654
ESP10, 250, 287, 311, 331, 354, 654, , 658
ESP10, 245, 281, 304, 325, 347, 658, , 662
ESP10, 255, 290, 310, 331, 355, 663, , 667
ESP10, 254, 286, 307, 329, 353, 667, , 671
ESP10, 264, 292, 313, 336, 360, 671, , 675
ESP10, 269, 293, 313, 340, 362, 675, , 679
ESP10, 272, 295, 317, 341, 364, 679, , 683
ESP10, 271, 296, 318, 340, 364, 684, , 688
ESP10, 266, 293, 312, 334, 358, 688, , 692
ESP10, 261, 290, 310, 328, 353, 692, , 696
ESP10, 256, 282, 302, 318, 343, 696, , 700
ESP10, 259, 283, 303, 320, 342, 700, , 704
ESP10, 258, 280, 300, 317, 338, 705, , 709
ESP10, 251, 273, 293, 309, 330, 709, , 713
ESP10, 247, 267, 293, 304, 326, 713, , 717
ESP10, 241, 264, 287, 298, 321, 717, , 721
ESP10, 240, 266, 283, 300, 317, 721, , 725
ESP10, 230, 255, 270, 289, 306, 725, , 729
ESP10, 232, 258, 270, 291, 309, 730, , 734
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ESP10
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Data Files
/chpsesp/ensemble/natural/WELW1N_SQIN.ESPF10.csv
WELW1N_SQIN.ESPF0.csv|2026-03-08
WELW1N_SQIN.ESPF10.csv|2026-03-08
WELW1N_SQIN.ESPFM.csv|2026-03-08
APR-SEP
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ESP10,ESPM,ESP0
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