Choose Date:
Archive:
Water Year
Loading...
COLUMBIA - WANAPUM DAM
(
WANW1
)
Forecasts for Water Year
2025
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
52007
52523
77
53757
68222
APR-JUL
43374
43391
75
43407
57709
JAN-SEP
59583
60099
77
61333
77881
JAN-JUL
50950
50967
76
50983
67367
OCT-SEP
68940
69455
79
70689
87958
Experimental
HEFS with 15 days EQPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
APR-SEP
51738
52376
77
53605
68222
APR-JUL
43221
43317
75
43529
57709
JAN-SEP
59314
59952
77
61181
77881
JAN-JUL
50797
50893
76
51105
67367
OCT-SEP
68670
69308
79
70537
87958
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
APR-SEP
51704
52284
77
53172
68222
APR-JUL
43194
43283
75
43475
57709
JAN-SEP
59280
59859
77
60748
77881
JAN-JUL
50770
50859
75
51051
67367
OCT-SEP
68636
69216
79
70104
87958
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 192, 272, 323, 378, 416, 70, , 74
ESP10, 195, 274, 323, 384, 418, 73, , 77
ESP10, 197, 276, 325, 385, 421, 75, , 79
ESP10, 197, 278, 329, 384, 420, 77, , 81
ESP10, 200, 278, 334, 383, 420, 80, , 84
ESP10, 200, 278, 338, 382, 422, 82, , 86
ESP10, 205, 280, 337, 385, 424, 84, , 88
ESP10, 206, 282, 339, 385, 424, 86, , 90
ESP10, 199, 278, 332, 379, 417, 89, , 93
ESP10, 197, 280, 328, 377, 417, 91, , 95
ESP10, 193, 284, 325, 374, 413, 93, , 97
ESP10, 190, 281, 322, 373, 412, 96, , 100
ESP10, 196, 287, 328, 378, 419, 98, , 102
ESP10, 198, 292, 331, 381, 422, 100, , 104
ESP10, 198, 289, 327, 381, 421, 103, , 107
ESP10, 190, 286, 321, 377, 417, 105, , 109
ESP10, 187, 281, 320, 376, 413, 107, , 111
ESP10, 182, 273, 317, 369, 407, 110, , 114
ESP10, 180, 270, 323, 372, 408, 112, , 116
ESP10, 176, 269, 318, 370, 408, 114, , 118
ESP10, 178, 270, 318, 371, 408, 117, , 121
ESP10, 187, 279, 325, 384, 415, 119, , 123
ESP10, 181, 278, 322, 380, 414, 121, , 125
ESP10, 186, 284, 330, 383, 419, 123, , 127
ESP10, 188, 286, 331, 387, 420, 126, , 130
ESP10, 191, 291, 337, 394, 424, 128, , 132
ESP10, 199, 295, 343, 397, 430, 130, , 134
ESP10, 206, 299, 347, 403, 436, 133, , 137
ESP10, 204, 300, 346, 401, 434, 135, , 139
ESP10, 199, 298, 343, 399, 432, 137, , 141
ESP10, 183, 283, 329, 385, 423, 140, , 144
ESP10, 180, 278, 328, 380, 423, 142, , 146
ESP10, 180, 279, 331, 378, 427, 144, , 148
ESP10, 173, 273, 322, 369, 421, 147, , 151
ESP10, 168, 268, 316, 361, 411, 149, , 153
ESP10, 171, 268, 313, 360, 408, 151, , 155
ESP10, 179, 272, 316, 364, 413, 153, , 157
ESP10, 171, 261, 308, 355, 403, 156, , 160
ESP10, 169, 258, 308, 353, 403, 158, , 162
ESP10, 178, 267, 320, 362, 414, 160, , 164
ESP10, 193, 284, 333, 376, 428, 163, , 167
ESP10, 201, 286, 334, 386, 430, 165, , 169
ESP10, 194, 275, 329, 375, 421, 167, , 171
ESP10, 206, 278, 333, 375, 425, 170, , 174
ESP10, 169, 245, 296, 340, 389, 172, , 176
ESP10, 162, 232, 288, 330, 381, 174, , 178
ESP10, 171, 241, 296, 340, 390, 177, , 181
ESP10, 187, 255, 308, 351, 406, 179, , 183
ESP10, 192, 260, 312, 363, 412, 181, , 185
ESP10, 201, 271, 327, 368, 419, 184, , 188
ESP10, 198, 268, 322, 362, 415, 186, , 190
ESP10, 206, 278, 325, 367, 418, 188, , 192
ESP10, 213, 292, 334, 375, 422, 190, , 194
ESP10, 209, 288, 329, 376, 418, 193, , 197
ESP10, 205, 285, 321, 374, 413, 195, , 199
ESP10, 215, 287, 323, 379, 420, 197, , 201
ESP10, 210, 280, 320, 371, 412, 200, , 204
ESP10, 213, 280, 320, 374, 414, 202, , 206
ESP10, 216, 282, 326, 382, 418, 204, , 208
ESP10, 227, 291, 339, 391, 423, 207, , 211
ESP10, 228, 292, 340, 394, 424, 209, , 213
ESP10, 226, 287, 336, 392, 420, 211, , 215
ESP10, 227, 285, 337, 392, 419, 214, , 218
ESP10, 224, 272, 333, 384, 417, 216, , 220
ESP10, 227, 277, 343, 387, 427, 218, , 222
ESP10, 232, 283, 347, 389, 432, 220, , 224
ESP10, 224, 274, 339, 382, 429, 223, , 227
ESP10, 232, 284, 349, 389, 437, 225, , 229
ESP10, 232, 281, 346, 384, 433, 227, , 231
ESP10, 230, 289, 340, 378, 429, 230, , 234
ESP10, 246, 307, 358, 393, 443, 232, , 236
ESP10, 247, 313, 359, 394, 445, 234, , 238
ESP10, 241, 308, 356, 391, 440, 237, , 241
ESP10, 232, 296, 348, 383, 430, 239, , 243
ESP10, 221, 278, 338, 368, 416, 241, , 245
ESP10, 218, 268, 331, 359, 408, 244, , 248
ESP10, 224, 269, 337, 362, 415, 246, , 250
ESP10, 229, 272, 341, 366, 418, 248, , 252
ESP10, 229, 278, 341, 367, 417, 251, , 255
ESP10, 228, 275, 329, 357, 407, 253, , 257
ESP10, 225, 268, 319, 348, 397, 255, , 259
ESP10, 239, 272, 326, 353, 402, 257, , 261
ESP10, 236, 268, 322, 349, 399, 260, , 264
ESP10, 249, 280, 332, 363, 409, 262, , 266
ESP10, 242, 271, 326, 358, 403, 264, , 268
ESP10, 252, 279, 334, 368, 413, 267, , 271
ESP10, 246, 275, 326, 363, 408, 269, , 273
ESP10, 250, 281, 329, 364, 421, 271, , 275
ESP10, 249, 281, 328, 368, 422, 274, , 278
ESP10, 259, 287, 336, 374, 426, 276, , 280
ESP10, 262, 298, 343, 377, 425, 278, , 282
ESP10, 253, 290, 337, 369, 416, 281, , 285
ESP10, 257, 295, 345, 374, 422, 283, , 287
ESP10, 262, 303, 351, 380, 428, 285, , 289
ESP10, 261, 318, 354, 385, 429, 290, , 294
ESP10, 262, 319, 357, 385, 431, 292, , 296
ESP10, 265, 322, 360, 390, 432, 294, , 298
ESP10, 272, 326, 362, 392, 434, 297, , 301
ESP10, 281, 330, 364, 397, 435, 299, , 303
ESP10, 284, 330, 366, 402, 436, 301, , 305
ESP10, 285, 330, 369, 405, 440, 304, , 308
ESP10, 287, 330, 370, 405, 438, 306, , 310
ESP10, 285, 333, 370, 403, 436, 308, , 312
ESP10, 293, 336, 370, 404, 441, 311, , 315
ESP10, 296, 341, 372, 404, 440, 313, , 317
ESP10, 300, 352, 375, 408, 443, 315, , 319
ESP10, 300, 353, 377, 409, 444, 318, , 322
ESP10, 303, 356, 379, 412, 445, 320, , 324
ESP10, 311, 363, 384, 419, 450, 322, , 326
ESP10, 316, 365, 385, 420, 448, 324, , 328
ESP10, 319, 368, 389, 423, 452, 327, , 331
ESP10, 315, 369, 391, 421, 449, 329, , 333
ESP10, 312, 365, 389, 418, 447, 331, , 335
ESP10, 313, 365, 393, 420, 447, 334, , 338
ESP10, 318, 371, 395, 424, 448, 336, , 340
ESP10, 313, 366, 390, 421, 444, 338, , 342
ESP10, 308, 363, 386, 417, 442, 341, , 345
ESP10, 315, 367, 387, 419, 448, 343, , 347
ESP10, 315, 368, 388, 420, 451, 345, , 349
ESP10, 315, 370, 392, 420, 452, 348, , 352
ESP10, 321, 377, 396, 423, 461, 350, , 354
ESP10, 321, 378, 395, 422, 462, 352, , 356
ESP10, 326, 376, 394, 419, 461, 354, , 358
ESP10, 327, 375, 393, 418, 462, 357, , 361
ESP10, 325, 375, 394, 416, 460, 359, , 363
ESP10, 329, 375, 395, 418, 461, 361, , 365
ESP10, 330, 377, 393, 416, 460, 364, , 368
ESP10, 323, 366, 383, 409, 449, 366, , 370
ESP10, 331, 376, 394, 421, 455, 368, , 372
ESP10, 333, 378, 396, 419, 452, 371, , 375
ESP10, 340, 381, 401, 423, 455, 373, , 377
ESP10, 347, 386, 409, 427, 459, 375, , 379
ESP10, 347, 387, 408, 425, 457, 378, , 382
ESP10, 347, 391, 409, 428, 457, 380, , 384
ESP10, 335, 380, 396, 416, 444, 382, , 386
ESP10, 329, 373, 388, 409, 437, 385, , 389
ESP10, 325, 369, 387, 405, 433, 387, , 391
ESP10, 327, 371, 392, 407, 436, 389, , 393
ESP10, 329, 370, 395, 410, 437, 391, , 395
ESP10, 332, 372, 395, 410, 438, 394, , 398
ESP10, 332, 372, 393, 412, 436, 396, , 400
ESP10, 329, 364, 387, 407, 432, 398, , 402
ESP10, 326, 355, 380, 404, 426, 401, , 405
ESP10, 337, 363, 386, 412, 434, 403, , 407
ESP10, 345, 372, 394, 418, 442, 405, , 409
ESP10, 348, 377, 398, 420, 444, 408, , 412
ESP10, 350, 379, 399, 420, 444, 410, , 414
ESP10, 347, 378, 398, 417, 441, 412, , 416
ESP10, 345, 373, 393, 410, 435, 415, , 419
ESP10, 345, 372, 391, 404, 430, 417, , 421
ESP10, 348, 374, 393, 409, 431, 419, , 423
ESP10, 349, 376, 394, 408, 431, 421, , 425
ESP10, 355, 381, 402, 411, 437, 424, , 428
ESP10, 346, 378, 394, 406, 430, 426, , 430
ESP10, 341, 371, 386, 403, 423, 428, , 432
ESP10, 331, 361, 374, 392, 413, 431, , 435
ESP10, 338, 366, 379, 398, 419, 433, , 437
ESP10, 342, 370, 384, 401, 421, 435, , 439
ESP10, 340, 371, 382, 398, 418, 438, , 442
ESP10, 335, 368, 379, 396, 414, 440, , 444
ESP10, 327, 361, 372, 389, 407, 442, , 446
ESP10, 327, 356, 367, 388, 402, 445, , 449
ESP10, 322, 348, 358, 382, 397, 447, , 451
ESP10, 318, 345, 355, 378, 397, 449, , 453
ESP10, 316, 341, 352, 375, 396, 452, , 456
ESP10, 315, 338, 351, 372, 394, 454, , 458
ESP10, 310, 334, 348, 367, 389, 456, , 460
ESP10, 314, 338, 353, 372, 394, 458, , 462
ESP10, 319, 341, 356, 374, 399, 461, , 465
ESP10, 312, 329, 346, 362, 389, 463, , 467
ESP10, 312, 325, 341, 356, 384, 465, , 469
ESP10, 307, 322, 338, 351, 378, 468, , 472
ESP10, 292, 309, 324, 338, 364, 470, , 474
ESP10, 291, 308, 325, 338, 363, 472, , 476
ESP10, 289, 307, 325, 340, 362, 475, , 479
ESP10, 297, 319, 335, 351, 372, 477, , 481
ESP10, 297, 321, 339, 355, 375, 479, , 483
ESP10, 301, 328, 344, 360, 379, 482, , 486
ESP10, 307, 334, 350, 367, 384, 484, , 488
ESP10, 310, 337, 352, 371, 385, 486, , 490
ESP10, 305, 332, 346, 365, 380, 488, , 492
ESP10, 308, 337, 349, 367, 385, 491, , 495
ESP10, 299, 329, 342, 359, 377, 493, , 497
ESP10, 295, 326, 341, 356, 375, 495, , 499
ESP10, 294, 325, 342, 360, 377, 498, , 502
ESP10, 298, 330, 347, 366, 381, 500, , 504
ESP10, 299, 335, 350, 367, 382, 502, , 506
ESP10, 297, 333, 347, 365, 381, 505, , 509
ESP10, 300, 334, 348, 366, 380, 507, , 511
ESP10, 301, 336, 348, 365, 380, 509, , 513
ESP10, 303, 340, 351, 369, 382, 512, , 516
ESP10, 302, 337, 350, 368, 380, 514, , 518
ESP10, 301, 333, 346, 364, 376, 516, , 520
ESP10, 302, 338, 346, 366, 376, 519, , 523
ESP10, 310, 345, 352, 371, 384, 521, , 525
ESP10, 316, 344, 354, 372, 385, 523, , 527
ESP10, 317, 346, 356, 375, 385, 525, , 529
ESP10, 314, 339, 353, 371, 379, 528, , 532
ESP10, 316, 340, 355, 371, 380, 530, , 534
ESP10, 316, 342, 356, 373, 380, 532, , 536
ESP10, 316, 342, 356, 375, 381, 535, , 539
ESP10, 321, 346, 362, 379, 386, 537, , 541
ESP10, 325, 351, 368, 384, 393, 539, , 543
ESP10, 328, 353, 369, 385, 396, 542, , 546
ESP10, 329, 355, 371, 389, 399, 544, , 548
ESP10, 326, 354, 368, 385, 397, 546, , 550
ESP10, 323, 353, 367, 382, 395, 549, , 553
ESP10, 322, 354, 367, 382, 395, 551, , 555
ESP10, 328, 360, 373, 387, 400, 553, , 557
ESP10, 327, 358, 373, 386, 397, 555, , 559
ESP10, 329, 360, 373, 387, 398, 558, , 562
ESP10, 322, 355, 368, 381, 393, 560, , 564
ESP10, 324, 356, 370, 384, 392, 562, , 566
ESP10, 322, 353, 368, 382, 389, 565, , 569
ESP10, 325, 351, 366, 380, 388, 567, , 571
ESP10, 320, 344, 360, 376, 380, 569, , 573
ESP10, 321, 345, 362, 377, 384, 572, , 576
ESP10, 331, 353, 371, 384, 396, 574, , 578
ESP10, 326, 348, 365, 379, 390, 576, , 580
ESP10, 335, 358, 374, 387, 396, 579, , 583
ESP10, 336, 357, 372, 387, 394, 581, , 585
ESP10, 341, 360, 372, 387, 394, 583, , 587
ESP10, 345, 365, 379, 392, 399, 586, , 590
ESP10, 342, 361, 378, 390, 396, 588, , 592
ESP10, 349, 365, 383, 393, 402, 590, , 594
ESP10, 351, 361, 383, 392, 401, 592, , 596
ESP10, 349, 360, 379, 388, 397, 595, , 599
ESP10, 348, 360, 379, 388, 396, 597, , 601
ESP10, 350, 364, 382, 389, 398, 599, , 603
ESP10, 352, 367, 385, 392, 402, 602, , 606
ESP10, 356, 370, 387, 395, 404, 604, , 608
ESP10, 358, 374, 386, 392, 402, 606, , 610
ESP10, 362, 380, 392, 398, 407, 609, , 613
ESP10, 359, 376, 387, 396, 403, 611, , 615
ESP10, 359, 374, 387, 394, 403, 613, , 617
ESP10, 356, 369, 380, 388, 397, 616, , 620
ESP10, 357, 371, 381, 392, 396, 618, , 622
ESP10, 358, 371, 382, 391, 395, 620, , 624
ESP10, 363, 375, 386, 396, 399, 622, , 626
ESP10, 371, 380, 392, 400, 405, 625, , 629
ESP10, 374, 382, 395, 403, 408, 627, , 631
ESP10, 374, 383, 396, 402, 409, 629, , 633
ESP10, 374, 384, 394, 403, 408, 632, , 636
ESP10, 373, 382, 391, 400, 404, 634, , 638
ESP10, 380, 389, 399, 405, 411, 636, , 640
ESP10, 378, 387, 396, 404, 409, 639, , 643
ESP10, 376, 386, 394, 403, 407, 641, , 645
ESP10, 379, 385, 393, 403, 407, 643, , 647
ESP10, 385, 393, 400, 407, 411, 646, , 650
ESP10, 383, 390, 399, 402, 405, 669, , 673
ESP10, 385, 393, 400, 404, 407, 671, , 675
ESP10, 385, 394, 400, 403, 407, 673, , 677
ESP10, 388, 398, 404, 407, 410, 676, , 680
ESP10, 391, 401, 407, 410, 413, 678, , 682
ESP10, 394, 402, 407, 411, 414, 680, , 684
ESP10, 397, 406, 410, 414, 416, 683, , 687
ESP10, 398, 406, 410, 414, 416, 685, , 689
ESP10, 397, 405, 411, 413, 415, 687, , 691
ESP10, 401, 409, 414, 415, 418, 689, , 693
ESP10, 400, 409, 413, 415, 417, 692, , 696
ESP10, 402, 408, 412, 415, 417, 694, , 698
ESP10, 406, 411, 414, 418, 419, 696, , 700
ESP10, 405, 410, 414, 417, 419, 699, , 703
ESP10, 407, 411, 416, 418, 419, 701, , 705
ESP10, 406, 409, 414, 416, 418, 703, , 707
ESP10, 407, 411, 415, 418, 419, 706, , 710
ESP10, 408, 411, 415, 417, 418, 708, , 712
ESP10, 408, 410, 414, 416, 418, 710, , 714
ESP10, 408, 411, 414, 416, 418, 713, , 717
ESP10, 407, 411, 414, 416, 417, 715, , 719
ESP10, 408, 412, 415, 417, 418, 717, , 721
ESP10, 407, 412, 414, 416, 417, 720, , 724
ESP10, 404, 409, 411, 413, 415, 722, , 726
ESP10, 405, 410, 413, 415, 417, 724, , 728
ESP10, 404, 409, 412, 414, 416, 726, , 730
ESP10, 399, 405, 408, 410, 412, 729, , 733
ESP10, 397, 404, 407, 409, 411, 731, , 735
ESP10, 399, 405, 408, 410, 412, 733, , 737
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/WANW1N_SQIN.ESPF10.csv
WANW1N_SQIN.ESPF0.csv|2025-07-16
WANW1N_SQIN.ESPF10.csv|2025-07-16
WANW1N_SQIN.ESPFM.csv|2025-07-16
APR-SEP
COLUMBIA - WANAPUM DAM
(
WANW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
51330
63852
94
83700
68222
APR-JUL
41918
51029
88
66194
57709
JAN-SEP
57699
71418
92
91531
77881
JAN-JUL
48310
60123
89
74271
67367
OCT-SEP
65178
81715
93
102021
87958
Move the mouse over the desired "Forecast Period" to display a graph.
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
Data Files
/chpsesp/ensemble/natural/WANW1N_SQIN.ESPF10.csv
WANW1N_SQIN.ESPF0.csv|2025-07-16
WANW1N_SQIN.ESPF10.csv|2025-07-16
WANW1N_SQIN.ESPFM.csv|2025-07-16
APR-SEP
Commerce Home
|
NOAA
|
NWS Organization
|
NWRFC Site Map
|
Search
Freedom of Information Act
|
Privacy Policy
|
Information Quality
|
USA.gov
|
Career Opportunities
#FFF68F
#33CCFF
#404040
#660066
#F00007
#66CCFF
ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
