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Archive:
Water Year
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COLUMBIA - GRAND COULEE DAM
(
GCDW1
)
Forecasts for Water Year
2025
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-01
Issued:
2025-07-01
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
47364
47912
77
49122
62538
APR-JUL
39460
39666
75
39934
52578
APR-AUG
44381
44789
76
45331
58757
JAN-SEP
54261
54809
77
56019
71301
JAN-JUL
46358
46563
76
46831
61341
OCT-SEP
63022
63570
79
64779
80441
Experimental
HEFS with 15 days EQPF
Ensemble:
2025-07-01
Issued:
2025-07-01
Hide Forecast
APR-SEP
47536
48386
77
50082
62538
APR-JUL
39640
39935
76
40319
52578
APR-AUG
44599
45256
77
45987
58757
JAN-SEP
54433
55283
78
56980
71301
JAN-JUL
46537
46832
76
47216
61341
OCT-SEP
63194
64043
80
65740
80441
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-01
Issued:
2025-07-01
Hide Forecast
APR-SEP
47748
48590
78
50770
62538
APR-JUL
39659
40048
76
40880
52578
APR-AUG
44660
45384
77
46767
58757
JAN-SEP
54645
55487
78
57667
71301
JAN-JUL
46556
46945
77
47777
61341
OCT-SEP
63405
64248
80
66427
80441
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 192, 262, 325, 378, 412, 70, , 74
ESP10, 195, 264, 325, 381, 414, 73, , 77
ESP10, 197, 266, 325, 383, 418, 75, , 79
ESP10, 196, 271, 323, 381, 417, 78, , 82
ESP10, 197, 275, 327, 380, 416, 80, , 84
ESP10, 197, 276, 331, 380, 421, 83, , 87
ESP10, 201, 279, 330, 380, 426, 85, , 89
ESP10, 203, 278, 332, 381, 425, 87, , 91
ESP10, 196, 271, 324, 372, 418, 90, , 94
ESP10, 195, 271, 321, 369, 418, 92, , 96
ESP10, 194, 275, 320, 366, 414, 95, , 99
ESP10, 191, 274, 318, 369, 412, 97, , 101
ESP10, 197, 279, 324, 375, 420, 100, , 104
ESP10, 200, 281, 327, 378, 423, 102, , 106
ESP10, 202, 279, 326, 375, 422, 105, , 109
ESP10, 194, 274, 318, 367, 419, 107, , 111
ESP10, 191, 270, 315, 370, 415, 109, , 113
ESP10, 184, 263, 311, 363, 409, 112, , 116
ESP10, 180, 258, 315, 361, 409, 114, , 118
ESP10, 175, 254, 313, 365, 410, 117, , 121
ESP10, 174, 256, 317, 363, 409, 119, , 123
ESP10, 183, 266, 324, 374, 416, 122, , 126
ESP10, 177, 267, 318, 374, 416, 124, , 128
ESP10, 181, 273, 325, 378, 421, 126, , 130
ESP10, 185, 275, 326, 379, 422, 129, , 133
ESP10, 188, 286, 331, 386, 425, 131, , 135
ESP10, 196, 297, 336, 391, 432, 134, , 138
ESP10, 204, 301, 342, 397, 438, 136, , 140
ESP10, 201, 298, 341, 395, 436, 139, , 143
ESP10, 197, 294, 339, 393, 435, 141, , 145
ESP10, 181, 278, 328, 380, 427, 144, , 148
ESP10, 179, 274, 325, 374, 426, 146, , 150
ESP10, 181, 274, 329, 373, 428, 148, , 152
ESP10, 176, 271, 322, 364, 423, 151, , 155
ESP10, 173, 264, 312, 355, 413, 153, , 157
ESP10, 172, 262, 309, 354, 410, 156, , 160
ESP10, 179, 265, 313, 359, 415, 158, , 162
ESP10, 170, 252, 308, 350, 405, 161, , 165
ESP10, 168, 249, 305, 348, 404, 163, , 167
ESP10, 178, 262, 320, 359, 414, 165, , 169
ESP10, 198, 279, 334, 371, 428, 168, , 172
ESP10, 203, 281, 335, 382, 428, 170, , 174
ESP10, 194, 269, 325, 371, 417, 173, , 177
ESP10, 203, 279, 330, 371, 422, 175, , 179
ESP10, 166, 248, 293, 332, 385, 178, , 182
ESP10, 160, 236, 285, 323, 377, 180, , 184
ESP10, 167, 240, 290, 334, 386, 183, , 187
ESP10, 181, 251, 305, 344, 402, 185, , 189
ESP10, 186, 255, 314, 351, 407, 187, , 191
ESP10, 195, 262, 320, 356, 416, 190, , 194
ESP10, 196, 262, 312, 354, 410, 192, , 196
ESP10, 205, 275, 316, 362, 414, 195, , 199
ESP10, 213, 288, 333, 369, 420, 197, , 201
ESP10, 209, 285, 331, 371, 416, 200, , 204
ESP10, 202, 280, 323, 368, 408, 202, , 206
ESP10, 211, 282, 324, 370, 416, 204, , 208
ESP10, 206, 274, 315, 361, 409, 207, , 211
ESP10, 209, 275, 316, 367, 412, 209, , 213
ESP10, 212, 279, 321, 377, 415, 212, , 216
ESP10, 224, 284, 333, 382, 420, 214, , 218
ESP10, 225, 283, 334, 386, 421, 217, , 221
ESP10, 222, 278, 331, 381, 418, 219, , 223
ESP10, 226, 277, 332, 380, 417, 221, , 225
ESP10, 222, 268, 323, 371, 416, 224, , 228
ESP10, 227, 273, 334, 377, 425, 226, , 230
ESP10, 230, 279, 341, 379, 430, 229, , 233
ESP10, 223, 271, 334, 372, 424, 231, , 235
ESP10, 232, 282, 344, 380, 431, 234, , 238
ESP10, 229, 278, 339, 377, 429, 236, , 240
ESP10, 229, 281, 335, 371, 426, 239, , 243
ESP10, 243, 305, 351, 384, 442, 241, , 245
ESP10, 244, 312, 351, 386, 444, 243, , 247
ESP10, 238, 306, 346, 384, 439, 246, , 250
ESP10, 231, 296, 339, 375, 431, 248, , 252
ESP10, 222, 278, 333, 360, 417, 251, , 255
ESP10, 217, 270, 326, 355, 410, 253, , 257
ESP10, 220, 270, 332, 357, 412, 256, , 260
ESP10, 225, 277, 337, 362, 416, 258, , 262
ESP10, 228, 279, 338, 365, 416, 260, , 264
ESP10, 229, 273, 326, 356, 408, 263, , 267
ESP10, 225, 265, 315, 347, 399, 265, , 269
ESP10, 238, 273, 320, 352, 405, 268, , 272
ESP10, 234, 271, 315, 345, 402, 270, , 274
ESP10, 247, 281, 325, 358, 412, 273, , 277
ESP10, 241, 272, 320, 354, 406, 275, , 279
ESP10, 250, 283, 328, 368, 416, 278, , 282
ESP10, 242, 277, 323, 360, 411, 280, , 284
ESP10, 247, 280, 325, 360, 423, 282, , 286
ESP10, 246, 284, 326, 360, 421, 285, , 289
ESP10, 255, 290, 333, 365, 424, 287, , 291
ESP10, 258, 295, 340, 368, 423, 290, , 294
ESP10, 248, 289, 330, 359, 414, 292, , 296
ESP10, 252, 293, 340, 364, 419, 295, , 299
ESP10, 257, 300, 346, 370, 427, 297, , 301
ESP10, 256, 314, 350, 375, 430, 302, , 306
ESP10, 260, 313, 353, 375, 431, 304, , 308
ESP10, 263, 315, 353, 380, 433, 307, , 311
ESP10, 269, 317, 354, 382, 435, 309, , 313
ESP10, 276, 319, 355, 387, 436, 312, , 316
ESP10, 278, 322, 357, 392, 437, 314, , 318
ESP10, 284, 322, 360, 396, 440, 317, , 321
ESP10, 286, 322, 360, 397, 439, 319, , 323
ESP10, 284, 328, 363, 399, 436, 321, , 325
ESP10, 287, 329, 367, 399, 439, 324, , 328
ESP10, 291, 336, 369, 400, 440, 326, , 330
ESP10, 299, 344, 373, 404, 444, 329, , 333
ESP10, 299, 345, 375, 405, 444, 331, , 335
ESP10, 302, 350, 377, 405, 446, 334, , 338
ESP10, 309, 356, 384, 412, 450, 336, , 340
ESP10, 312, 360, 384, 412, 449, 338, , 342
ESP10, 315, 363, 386, 415, 450, 341, , 345
ESP10, 313, 361, 385, 413, 447, 343, , 347
ESP10, 309, 358, 386, 410, 445, 346, , 350
ESP10, 310, 359, 387, 412, 446, 348, , 352
ESP10, 314, 361, 389, 415, 447, 351, , 355
ESP10, 309, 360, 384, 412, 441, 353, , 357
ESP10, 304, 362, 379, 408, 437, 355, , 359
ESP10, 311, 366, 382, 411, 443, 358, , 362
ESP10, 309, 366, 381, 412, 446, 360, , 364
ESP10, 309, 368, 384, 413, 448, 363, , 367
ESP10, 317, 372, 389, 417, 454, 365, , 369
ESP10, 316, 370, 389, 417, 454, 368, , 372
ESP10, 317, 368, 387, 414, 453, 370, , 374
ESP10, 322, 370, 388, 413, 455, 373, , 377
ESP10, 321, 368, 387, 411, 453, 375, , 379
ESP10, 326, 368, 387, 411, 453, 377, , 381
ESP10, 326, 371, 386, 412, 453, 380, , 384
ESP10, 319, 360, 377, 403, 442, 382, , 386
ESP10, 327, 369, 389, 414, 448, 385, , 389
ESP10, 327, 372, 390, 413, 445, 387, , 391
ESP10, 334, 376, 396, 417, 448, 390, , 394
ESP10, 340, 380, 403, 420, 452, 392, , 396
ESP10, 340, 381, 402, 421, 450, 394, , 398
ESP10, 341, 383, 402, 424, 450, 397, , 401
ESP10, 327, 373, 391, 411, 437, 399, , 403
ESP10, 321, 367, 383, 404, 432, 402, , 406
ESP10, 317, 362, 383, 400, 429, 404, , 408
ESP10, 323, 364, 388, 402, 431, 407, , 411
ESP10, 325, 364, 388, 405, 433, 409, , 413
ESP10, 328, 364, 390, 409, 435, 412, , 416
ESP10, 330, 365, 388, 407, 434, 414, , 418
ESP10, 325, 358, 382, 401, 429, 416, , 420
ESP10, 320, 348, 374, 397, 423, 419, , 423
ESP10, 330, 355, 380, 406, 431, 421, , 425
ESP10, 338, 365, 388, 415, 439, 424, , 428
ESP10, 340, 370, 391, 417, 441, 426, , 430
ESP10, 342, 371, 393, 416, 441, 429, , 433
ESP10, 341, 371, 392, 412, 438, 431, , 435
ESP10, 342, 369, 388, 406, 432, 433, , 437
ESP10, 340, 366, 386, 402, 427, 436, , 440
ESP10, 345, 367, 388, 404, 428, 438, , 442
ESP10, 345, 370, 389, 403, 427, 441, , 445
ESP10, 349, 373, 399, 407, 433, 443, , 447
ESP10, 340, 369, 392, 402, 424, 446, , 450
ESP10, 336, 363, 384, 397, 417, 448, , 452
ESP10, 326, 353, 373, 387, 408, 451, , 455
ESP10, 331, 360, 376, 392, 412, 453, , 457
ESP10, 334, 363, 377, 395, 415, 455, , 459
ESP10, 333, 362, 375, 393, 412, 458, , 462
ESP10, 328, 359, 372, 388, 407, 460, , 464
ESP10, 319, 351, 366, 381, 401, 463, , 467
ESP10, 319, 347, 360, 379, 396, 465, , 469
ESP10, 314, 341, 352, 374, 390, 468, , 472
ESP10, 309, 337, 349, 370, 390, 470, , 474
ESP10, 308, 335, 346, 368, 389, 472, , 476
ESP10, 308, 332, 343, 364, 386, 475, , 479
ESP10, 302, 325, 339, 358, 381, 477, , 481
ESP10, 306, 328, 344, 362, 386, 480, , 484
ESP10, 308, 330, 346, 363, 390, 482, , 486
ESP10, 302, 320, 336, 352, 381, 485, , 489
ESP10, 302, 316, 332, 345, 376, 487, , 491
ESP10, 299, 314, 329, 341, 371, 489, , 493
ESP10, 283, 298, 316, 327, 355, 492, , 496
ESP10, 282, 298, 316, 327, 354, 494, , 498
ESP10, 279, 297, 316, 330, 352, 497, , 501
ESP10, 288, 308, 327, 341, 363, 499, , 503
ESP10, 288, 310, 329, 346, 365, 502, , 506
ESP10, 290, 316, 333, 350, 369, 504, , 508
ESP10, 297, 321, 339, 357, 374, 507, , 511
ESP10, 300, 323, 340, 360, 375, 509, , 513
ESP10, 295, 319, 335, 354, 371, 511, , 515
ESP10, 299, 325, 340, 357, 376, 514, , 518
ESP10, 291, 318, 335, 349, 369, 516, , 520
ESP10, 285, 314, 334, 347, 365, 519, , 523
ESP10, 284, 314, 333, 349, 368, 521, , 525
ESP10, 288, 320, 338, 355, 372, 524, , 528
ESP10, 289, 324, 340, 358, 374, 526, , 530
ESP10, 287, 321, 337, 355, 372, 528, , 532
ESP10, 289, 322, 337, 356, 371, 531, , 535
ESP10, 289, 323, 338, 356, 370, 533, , 537
ESP10, 292, 327, 341, 359, 373, 536, , 540
ESP10, 291, 324, 339, 357, 370, 538, , 542
ESP10, 289, 320, 335, 352, 367, 541, , 545
ESP10, 292, 324, 334, 354, 366, 543, , 547
ESP10, 300, 333, 341, 362, 376, 546, , 550
ESP10, 304, 333, 342, 362, 377, 548, , 552
ESP10, 306, 336, 344, 365, 377, 550, , 554
ESP10, 304, 330, 344, 361, 372, 553, , 557
ESP10, 305, 330, 345, 362, 373, 555, , 559
ESP10, 305, 331, 346, 363, 374, 558, , 562
ESP10, 305, 331, 347, 365, 375, 560, , 564
ESP10, 310, 336, 353, 371, 380, 563, , 567
ESP10, 315, 341, 360, 377, 386, 565, , 569
ESP10, 316, 344, 361, 378, 390, 567, , 571
ESP10, 317, 346, 362, 382, 393, 570, , 574
ESP10, 313, 346, 359, 378, 390, 572, , 576
ESP10, 311, 345, 358, 376, 389, 575, , 579
ESP10, 311, 346, 359, 375, 390, 577, , 581
ESP10, 317, 353, 366, 381, 395, 580, , 584
ESP10, 315, 351, 366, 380, 392, 582, , 586
ESP10, 318, 353, 367, 383, 394, 585, , 589
ESP10, 313, 348, 361, 377, 388, 587, , 591
ESP10, 314, 349, 363, 379, 388, 589, , 593
ESP10, 314, 346, 361, 376, 384, 592, , 596
ESP10, 315, 343, 360, 374, 382, 594, , 598
ESP10, 309, 335, 351, 368, 373, 597, , 601
ESP10, 311, 336, 355, 369, 377, 599, , 603
ESP10, 320, 344, 363, 378, 390, 602, , 606
ESP10, 315, 337, 357, 372, 384, 604, , 608
ESP10, 325, 348, 368, 380, 391, 606, , 610
ESP10, 327, 348, 365, 380, 388, 609, , 613
ESP10, 331, 350, 365, 380, 389, 611, , 615
ESP10, 336, 357, 374, 385, 394, 614, , 618
ESP10, 334, 353, 372, 383, 390, 616, , 620
ESP10, 342, 357, 377, 387, 398, 619, , 623
ESP10, 343, 353, 375, 386, 396, 621, , 625
ESP10, 341, 352, 373, 382, 392, 623, , 627
ESP10, 340, 353, 374, 383, 391, 626, , 630
ESP10, 342, 357, 375, 384, 393, 628, , 632
ESP10, 344, 361, 379, 387, 397, 631, , 635
ESP10, 348, 364, 382, 391, 400, 633, , 637
ESP10, 350, 368, 380, 388, 398, 636, , 640
ESP10, 355, 374, 387, 394, 404, 638, , 642
ESP10, 352, 370, 383, 393, 400, 641, , 645
ESP10, 351, 368, 381, 390, 399, 643, , 647
ESP10, 348, 361, 374, 383, 393, 645, , 649
ESP10, 351, 364, 375, 387, 392, 648, , 652
ESP10, 351, 364, 375, 387, 390, 650, , 654
ESP10, 356, 369, 380, 391, 394, 653, , 657
ESP10, 364, 377, 387, 397, 401, 655, , 659
ESP10, 367, 378, 389, 398, 405, 658, , 662
ESP10, 367, 378, 390, 398, 406, 660, , 664
ESP10, 368, 378, 389, 399, 404, 662, , 666
ESP10, 366, 375, 385, 396, 401, 665, , 669
ESP10, 374, 383, 395, 402, 408, 667, , 671
ESP10, 371, 381, 390, 400, 405, 670, , 674
ESP10, 369, 380, 388, 398, 403, 672, , 676
ESP10, 373, 379, 387, 398, 403, 675, , 679
ESP10, 379, 387, 395, 404, 408, 677, , 681
ESP10, 377, 385, 394, 397, 401, 701, , 705
ESP10, 378, 388, 396, 400, 403, 704, , 708
ESP10, 378, 389, 395, 399, 403, 706, , 710
ESP10, 382, 394, 400, 403, 407, 709, , 713
ESP10, 385, 396, 403, 407, 410, 711, , 715
ESP10, 388, 397, 404, 407, 411, 714, , 718
ESP10, 392, 401, 407, 411, 413, 716, , 720
ESP10, 393, 402, 407, 411, 413, 719, , 723
ESP10, 392, 401, 407, 410, 412, 721, , 725
ESP10, 396, 405, 411, 413, 416, 723, , 727
ESP10, 396, 406, 410, 413, 415, 726, , 730
ESP10, 397, 405, 409, 413, 415, 728, , 732
ESP10, 402, 408, 412, 416, 417, 731, , 735
ESP10, 402, 407, 412, 415, 417, 733, , 737
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Data Files
/chpsesp/ensemble/natural/GCDW1N_SQIN.ESPF10.csv
GCDW1N_SQIN.ESPF0.csv|2025-07-01
GCDW1N_SQIN.ESPF10.csv|2025-07-01
GCDW1N_SQIN.ESPFM.csv|2025-07-01
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ESP10,ESPM,ESP0
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