Choose Date:
Archive:
Water Year
Loading...
COLUMBIA - PRIEST RAPIDS DAM
(
PRWW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-03-04
Issued:
2026-03-04
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
65411
70001
103
76705
68225
APR-JUL
51442
57088
99
63148
57704
JAN-SEP
78342
83314
107
90001
77879
JAN-JUL
64063
69951
104
75916
67358
OCT-SEP
90105
95076
108
101764
87958
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-03-04
Issued:
2026-03-04
Hide Forecast
APR-SEP
63019
69395
102
76494
68225
APR-JUL
49414
56629
98
61838
57704
JAN-SEP
75304
82223
106
89335
77879
JAN-JUL
62221
69252
103
74908
67358
OCT-SEP
87066
93986
107
101097
87958
Reference
ESP with 0 Days QPF
Ensemble:
2026-03-04
Issued:
2026-03-04
Hide Forecast
APR-SEP
60475
66988
98
74156
68225
APR-JUL
47487
54495
94
59829
57704
JAN-SEP
72567
79382
102
87138
77879
JAN-JUL
59976
66704
99
72592
67358
OCT-SEP
84329
91144
104
98901
87958
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 224, 297, 352, 409, 435, 72, , 76
ESP10, 219, 295, 346, 404, 431, 77, , 81
ESP10, 222, 298, 351, 407, 436, 81, , 85
ESP10, 221, 298, 352, 405, 434, 85, , 89
ESP10, 222, 298, 353, 402, 432, 89, , 93
ESP10, 220, 296, 352, 398, 431, 94, , 98
ESP10, 225, 299, 353, 401, 436, 98, , 102
ESP10, 229, 302, 358, 402, 436, 102, , 106
ESP10, 230, 305, 359, 402, 437, 107, , 111
ESP10, 227, 307, 356, 400, 436, 111, , 115
ESP10, 227, 312, 359, 401, 437, 115, , 119
ESP10, 225, 312, 358, 402, 436, 120, , 124
ESP10, 219, 307, 352, 397, 432, 124, , 128
ESP10, 221, 308, 354, 401, 434, 128, , 132
ESP10, 221, 306, 351, 399, 434, 132, , 136
ESP10, 208, 297, 337, 389, 424, 137, , 141
ESP10, 198, 286, 329, 380, 414, 141, , 145
ESP10, 209, 296, 342, 393, 425, 145, , 149
ESP10, 210, 298, 346, 395, 428, 150, , 154
ESP10, 210, 299, 346, 397, 431, 154, , 158
ESP10, 200, 291, 337, 387, 421, 158, , 162
ESP10, 201, 291, 336, 391, 420, 162, , 166
ESP10, 194, 288, 331, 386, 420, 167, , 171
ESP10, 202, 297, 343, 392, 429, 171, , 175
ESP10, 207, 302, 348, 401, 432, 175, , 179
ESP10, 211, 308, 352, 406, 436, 180, , 184
ESP10, 213, 306, 352, 406, 436, 184, , 188
ESP10, 215, 308, 351, 406, 436, 188, , 192
ESP10, 205, 300, 343, 399, 428, 193, , 197
ESP10, 189, 287, 330, 387, 417, 197, , 201
ESP10, 188, 286, 332, 386, 421, 201, , 205
ESP10, 194, 292, 338, 388, 428, 205, , 209
ESP10, 190, 288, 337, 387, 427, 210, , 214
ESP10, 202, 299, 345, 400, 437, 214, , 218
ESP10, 208, 303, 347, 402, 438, 218, , 222
ESP10, 211, 303, 347, 400, 436, 223, , 227
ESP10, 213, 302, 346, 398, 437, 227, , 231
ESP10, 210, 295, 344, 389, 430, 231, , 235
ESP10, 216, 301, 351, 395, 438, 236, , 240
ESP10, 213, 300, 352, 390, 437, 240, , 244
ESP10, 214, 302, 351, 392, 438, 244, , 248
ESP10, 219, 302, 349, 396, 438, 248, , 252
ESP10, 230, 307, 361, 402, 445, 253, , 257
ESP10, 243, 312, 365, 403, 450, 257, , 261
ESP10, 237, 307, 357, 396, 441, 261, , 265
ESP10, 246, 312, 363, 402, 445, 266, , 270
ESP10, 238, 304, 354, 395, 439, 270, , 274
ESP10, 246, 310, 363, 400, 450, 274, , 278
ESP10, 241, 304, 358, 401, 446, 278, , 282
ESP10, 245, 310, 364, 402, 450, 283, , 287
ESP10, 246, 310, 364, 400, 448, 287, , 291
ESP10, 247, 315, 359, 399, 444, 291, , 295
ESP10, 244, 317, 357, 396, 439, 296, , 300
ESP10, 254, 326, 367, 407, 447, 300, , 304
ESP10, 250, 322, 362, 407, 444, 304, , 308
ESP10, 253, 318, 359, 408, 444, 309, , 313
ESP10, 251, 314, 355, 403, 439, 313, , 317
ESP10, 251, 312, 355, 403, 439, 317, , 321
ESP10, 252, 313, 361, 408, 441, 321, , 325
ESP10, 243, 303, 351, 400, 431, 326, , 330
ESP10, 232, 293, 341, 389, 421, 330, , 334
ESP10, 236, 294, 343, 392, 423, 334, , 338
ESP10, 229, 284, 337, 385, 414, 339, , 343
ESP10, 214, 262, 320, 365, 402, 343, , 347
ESP10, 214, 264, 326, 365, 407, 347, , 351
ESP10, 209, 261, 320, 360, 405, 351, , 355
ESP10, 220, 272, 330, 372, 419, 356, , 360
ESP10, 203, 257, 315, 358, 404, 360, , 364
ESP10, 176, 229, 286, 329, 377, 364, , 368
ESP10, 167, 227, 278, 318, 368, 369, , 373
ESP10, 167, 230, 280, 319, 369, 373, , 377
ESP10, 173, 242, 288, 326, 377, 377, , 381
ESP10, 174, 242, 292, 328, 378, 382, , 386
ESP10, 169, 234, 287, 320, 373, 386, , 390
ESP10, 174, 231, 290, 322, 372, 390, , 394
ESP10, 182, 231, 293, 322, 374, 394, , 398
ESP10, 184, 230, 299, 322, 377, 399, , 403
ESP10, 182, 226, 296, 318, 374, 403, , 407
ESP10, 178, 225, 291, 313, 368, 407, , 411
ESP10, 181, 227, 283, 307, 362, 412, , 416
ESP10, 194, 236, 289, 314, 367, 416, , 420
ESP10, 200, 234, 287, 312, 365, 420, , 424
ESP10, 213, 245, 298, 324, 376, 424, , 428
ESP10, 218, 249, 301, 333, 380, 429, , 433
ESP10, 213, 241, 296, 329, 375, 433, , 437
ESP10, 209, 236, 291, 327, 373, 437, , 441
ESP10, 211, 240, 293, 328, 376, 442, , 446
ESP10, 216, 245, 297, 332, 390, 446, , 450
ESP10, 212, 243, 293, 331, 388, 450, , 454
ESP10, 217, 246, 297, 332, 388, 455, , 459
ESP10, 224, 260, 304, 338, 390, 459, , 463
ESP10, 222, 257, 304, 335, 386, 463, , 467
ESP10, 215, 251, 303, 329, 382, 467, , 471
ESP10, 216, 254, 304, 331, 386, 472, , 476
ESP10, 207, 250, 297, 325, 380, 476, , 480
ESP10, 206, 262, 298, 329, 381, 480, , 484
ESP10, 206, 262, 301, 329, 382, 485, , 489
ESP10, 206, 261, 299, 332, 380, 489, , 493
ESP10, 208, 263, 300, 331, 378, 493, , 497
ESP10, 212, 263, 295, 333, 375, 497, , 501
ESP10, 210, 261, 294, 332, 372, 502, , 506
ESP10, 211, 260, 295, 333, 372, 506, , 510
ESP10, 210, 258, 294, 331, 368, 510, , 514
ESP10, 207, 257, 292, 328, 365, 515, , 519
ESP10, 214, 261, 291, 327, 365, 519, , 523
ESP10, 215, 261, 292, 325, 363, 523, , 527
ESP10, 212, 264, 290, 323, 363, 528, , 532
ESP10, 213, 266, 292, 327, 363, 532, , 536
ESP10, 215, 267, 294, 327, 364, 536, , 540
ESP10, 226, 279, 302, 337, 371, 540, , 544
ESP10, 233, 284, 305, 339, 372, 545, , 549
ESP10, 239, 291, 312, 346, 378, 549, , 553
ESP10, 238, 293, 316, 348, 378, 553, , 557
ESP10, 242, 297, 321, 351, 382, 558, , 562
ESP10, 242, 296, 322, 352, 382, 562, , 566
ESP10, 238, 292, 317, 347, 375, 566, , 570
ESP10, 242, 296, 319, 352, 379, 571, , 575
ESP10, 243, 299, 321, 354, 380, 575, , 579
ESP10, 249, 301, 321, 356, 383, 579, , 583
ESP10, 248, 302, 321, 355, 385, 583, , 587
ESP10, 246, 302, 323, 354, 385, 588, , 592
ESP10, 240, 296, 314, 344, 380, 592, , 596
ESP10, 234, 289, 307, 336, 375, 596, , 600
ESP10, 243, 291, 310, 338, 378, 601, , 605
ESP10, 245, 291, 311, 339, 381, 605, , 609
ESP10, 243, 289, 311, 337, 379, 609, , 613
ESP10, 242, 286, 306, 334, 374, 613, , 617
ESP10, 251, 296, 316, 339, 381, 618, , 622
ESP10, 252, 294, 312, 339, 377, 622, , 626
ESP10, 250, 293, 313, 343, 375, 626, , 630
ESP10, 254, 296, 316, 344, 375, 631, , 635
ESP10, 258, 299, 322, 345, 374, 635, , 639
ESP10, 253, 293, 318, 337, 367, 639, , 643
ESP10, 256, 297, 320, 338, 369, 644, , 648
ESP10, 253, 298, 317, 338, 366, 648, , 652
ESP10, 241, 286, 303, 328, 352, 652, , 656
ESP10, 243, 286, 303, 329, 352, 656, , 660
ESP10, 249, 293, 311, 335, 358, 661, , 665
ESP10, 237, 281, 302, 323, 346, 665, , 669
ESP10, 249, 289, 314, 332, 357, 669, , 673
ESP10, 245, 284, 307, 327, 350, 674, , 678
ESP10, 253, 290, 313, 332, 357, 678, , 682
ESP10, 254, 287, 310, 331, 355, 682, , 686
ESP10, 266, 294, 317, 340, 363, 686, , 690
ESP10, 271, 296, 318, 343, 365, 691, , 695
ESP10, 275, 298, 320, 345, 367, 695, , 699
ESP10, 275, 299, 323, 344, 366, 699, , 703
ESP10, 270, 296, 316, 339, 361, 704, , 708
ESP10, 265, 292, 313, 332, 356, 708, , 712
ESP10, 258, 284, 306, 322, 346, 712, , 716
ESP10, 262, 288, 307, 323, 346, 717, , 721
ESP10, 260, 283, 305, 321, 341, 721, , 725
ESP10, 253, 277, 297, 313, 332, 725, , 729
ESP10, 248, 271, 296, 307, 328, 729, , 733
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/PRWW1N_SQIN.ESPF10.csv
PRWW1N_SQIN.ESPF0.csv|2026-03-04
PRWW1N_SQIN.ESPF10.csv|2026-03-04
PRWW1N_SQIN.ESPFM.csv|2026-03-04
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
