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COLUMBIA - GRAND COULEE DAM
(
GCDW1
)
Forecasts for Water Year
2025
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-04-30
Issued:
2025-04-30
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
49198
52383
85
58523
61483
APR-JUL
41482
44227
84
49811
52774
APR-AUG
46421
49374
85
55328
58186
JAN-SEP
56929
60114
85
66254
70457
JAN-JUL
49214
51959
84
57542
61749
OCT-SEP
65227
68412
87
74552
78842
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2025-04-30
Issued:
2025-04-30
Hide Forecast
APR-SEP
50227
53553
87
59052
61483
APR-JUL
42307
45066
85
50734
52774
APR-AUG
46952
50405
87
56072
58186
JAN-SEP
57959
61284
87
66783
70457
JAN-JUL
50039
52798
86
58466
61749
OCT-SEP
66257
69582
88
75081
78842
Reference
ESP with 0 Days QPF
Ensemble:
2025-04-30
Issued:
2025-04-30
Hide Forecast
APR-SEP
50125
53513
87
58508
61483
APR-JUL
42053
44999
85
50230
52774
APR-AUG
46820
50273
86
55488
58186
JAN-SEP
57856
61245
87
66240
70457
JAN-JUL
49784
52731
85
57962
61749
OCT-SEP
66154
69543
88
74538
78842
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 199, 269, 332, 383, 415, 71, , 75
ESP10, 202, 270, 332, 386, 417, 74, , 78
ESP10, 203, 281, 332, 388, 421, 77, , 81
ESP10, 201, 286, 330, 386, 420, 81, , 85
ESP10, 203, 288, 331, 386, 419, 84, , 88
ESP10, 204, 288, 336, 385, 424, 87, , 91
ESP10, 209, 287, 335, 385, 428, 90, , 94
ESP10, 211, 286, 337, 387, 428, 93, , 97
ESP10, 204, 279, 329, 381, 421, 96, , 100
ESP10, 203, 279, 326, 378, 421, 99, , 103
ESP10, 202, 280, 325, 373, 417, 103, , 107
ESP10, 199, 280, 324, 373, 415, 106, , 110
ESP10, 205, 285, 330, 381, 423, 109, , 113
ESP10, 208, 287, 333, 383, 426, 112, , 116
ESP10, 210, 285, 331, 378, 424, 115, , 119
ESP10, 202, 280, 324, 374, 421, 118, , 122
ESP10, 199, 276, 323, 377, 417, 121, , 125
ESP10, 192, 268, 318, 370, 411, 125, , 129
ESP10, 188, 264, 320, 368, 411, 128, , 132
ESP10, 183, 259, 317, 370, 412, 131, , 135
ESP10, 182, 262, 322, 370, 412, 134, , 138
ESP10, 189, 272, 329, 378, 418, 137, , 141
ESP10, 184, 272, 323, 377, 417, 140, , 144
ESP10, 188, 278, 329, 383, 422, 143, , 147
ESP10, 191, 282, 333, 384, 423, 147, , 151
ESP10, 194, 296, 338, 392, 426, 150, , 154
ESP10, 202, 301, 342, 396, 433, 153, , 157
ESP10, 210, 309, 349, 402, 439, 156, , 160
ESP10, 207, 306, 347, 399, 437, 159, , 163
ESP10, 203, 302, 346, 401, 436, 162, , 166
ESP10, 188, 287, 333, 388, 428, 166, , 170
ESP10, 185, 284, 331, 383, 427, 169, , 173
ESP10, 188, 285, 334, 381, 430, 172, , 176
ESP10, 183, 281, 327, 373, 424, 175, , 179
ESP10, 180, 272, 316, 363, 414, 178, , 182
ESP10, 179, 270, 316, 360, 411, 181, , 185
ESP10, 186, 273, 322, 363, 417, 184, , 188
ESP10, 177, 260, 315, 355, 407, 188, , 192
ESP10, 175, 256, 314, 352, 406, 191, , 195
ESP10, 185, 270, 327, 364, 416, 194, , 198
ESP10, 204, 286, 343, 376, 430, 197, , 201
ESP10, 209, 294, 343, 387, 431, 200, , 204
ESP10, 200, 283, 333, 376, 419, 203, , 207
ESP10, 211, 287, 338, 376, 424, 206, , 210
ESP10, 175, 254, 302, 339, 388, 210, , 214
ESP10, 169, 243, 294, 331, 383, 213, , 217
ESP10, 174, 249, 299, 337, 391, 216, , 220
ESP10, 190, 262, 315, 348, 406, 219, , 223
ESP10, 195, 266, 320, 354, 410, 222, , 226
ESP10, 204, 272, 326, 360, 419, 225, , 229
ESP10, 202, 269, 318, 360, 415, 228, , 232
ESP10, 211, 283, 322, 368, 421, 232, , 236
ESP10, 219, 295, 341, 376, 426, 235, , 239
ESP10, 216, 293, 339, 377, 423, 238, , 242
ESP10, 209, 286, 332, 374, 417, 241, , 245
ESP10, 218, 287, 332, 376, 421, 244, , 248
ESP10, 213, 280, 324, 367, 414, 247, , 251
ESP10, 216, 280, 324, 373, 415, 250, , 254
ESP10, 219, 285, 329, 383, 418, 254, , 258
ESP10, 231, 292, 339, 388, 423, 257, , 261
ESP10, 231, 291, 339, 391, 425, 260, , 264
ESP10, 229, 290, 337, 386, 425, 263, , 267
ESP10, 232, 290, 338, 384, 425, 266, , 270
ESP10, 228, 278, 330, 376, 423, 269, , 273
ESP10, 232, 281, 340, 382, 430, 272, , 276
ESP10, 236, 285, 346, 384, 433, 276, , 280
ESP10, 228, 277, 342, 377, 428, 279, , 283
ESP10, 238, 288, 351, 385, 436, 282, , 286
ESP10, 235, 284, 347, 381, 435, 285, , 289
ESP10, 236, 288, 341, 375, 431, 288, , 292
ESP10, 250, 311, 357, 389, 445, 291, , 295
ESP10, 250, 318, 358, 391, 448, 294, , 298
ESP10, 245, 312, 353, 388, 446, 298, , 302
ESP10, 238, 302, 346, 380, 439, 301, , 305
ESP10, 229, 285, 340, 366, 425, 304, , 308
ESP10, 224, 276, 333, 360, 419, 307, , 311
ESP10, 227, 277, 340, 362, 422, 310, , 314
ESP10, 232, 285, 344, 368, 425, 313, , 317
ESP10, 233, 287, 345, 372, 426, 316, , 320
ESP10, 234, 280, 333, 363, 417, 320, , 324
ESP10, 230, 272, 322, 353, 408, 323, , 327
ESP10, 243, 280, 328, 359, 414, 326, , 330
ESP10, 239, 279, 322, 353, 411, 329, , 333
ESP10, 252, 289, 333, 364, 421, 332, , 336
ESP10, 246, 280, 328, 361, 415, 335, , 339
ESP10, 256, 290, 337, 374, 424, 339, , 343
ESP10, 252, 284, 331, 366, 418, 342, , 346
ESP10, 256, 288, 333, 366, 428, 345, , 349
ESP10, 256, 292, 334, 369, 429, 348, , 352
ESP10, 264, 298, 341, 373, 433, 351, , 355
ESP10, 267, 303, 345, 376, 432, 354, , 358
ESP10, 258, 300, 336, 367, 422, 357, , 361
ESP10, 262, 303, 344, 370, 427, 361, , 365
ESP10, 267, 308, 350, 375, 436, 364, , 368
ESP10, 265, 320, 355, 380, 438, 370, , 374
ESP10, 266, 319, 357, 380, 440, 373, , 377
ESP10, 270, 321, 357, 385, 442, 376, , 380
ESP10, 276, 325, 358, 387, 443, 379, , 383
ESP10, 285, 327, 361, 392, 444, 383, , 387
ESP10, 287, 328, 362, 397, 445, 386, , 390
ESP10, 289, 329, 364, 401, 446, 389, , 393
ESP10, 291, 329, 365, 402, 445, 392, , 396
ESP10, 289, 334, 368, 404, 443, 395, , 399
ESP10, 293, 337, 372, 404, 445, 398, , 402
ESP10, 296, 343, 374, 404, 446, 401, , 405
ESP10, 303, 353, 379, 409, 449, 405, , 409
ESP10, 302, 353, 381, 409, 449, 408, , 412
ESP10, 305, 358, 383, 410, 451, 411, , 415
ESP10, 313, 363, 390, 415, 455, 414, , 418
ESP10, 318, 365, 390, 416, 454, 417, , 421
ESP10, 320, 370, 392, 419, 457, 420, , 424
ESP10, 317, 369, 391, 417, 455, 423, , 427
ESP10, 314, 366, 393, 415, 453, 427, , 431
ESP10, 315, 366, 394, 417, 454, 430, , 434
ESP10, 319, 368, 396, 420, 454, 433, , 437
ESP10, 313, 366, 392, 415, 450, 436, , 440
ESP10, 308, 367, 387, 411, 446, 439, , 443
ESP10, 315, 371, 388, 414, 449, 442, , 446
ESP10, 313, 373, 387, 415, 451, 445, , 449
ESP10, 314, 374, 390, 417, 453, 449, , 453
ESP10, 321, 378, 395, 422, 459, 452, , 456
ESP10, 321, 376, 394, 421, 459, 455, , 459
ESP10, 323, 373, 392, 419, 458, 458, , 462
ESP10, 331, 374, 393, 418, 459, 461, , 465
ESP10, 328, 373, 392, 416, 457, 464, , 468
ESP10, 331, 373, 393, 416, 458, 467, , 471
ESP10, 334, 377, 392, 416, 457, 471, , 475
ESP10, 328, 365, 382, 408, 447, 474, , 478
ESP10, 336, 374, 394, 417, 453, 477, , 481
ESP10, 334, 377, 395, 416, 450, 480, , 484
ESP10, 340, 382, 401, 422, 453, 483, , 487
ESP10, 347, 387, 407, 426, 456, 486, , 490
ESP10, 347, 386, 406, 426, 455, 490, , 494
ESP10, 347, 389, 407, 430, 455, 493, , 497
ESP10, 336, 377, 395, 419, 442, 496, , 500
ESP10, 330, 372, 388, 414, 437, 499, , 503
ESP10, 326, 367, 387, 410, 434, 502, , 506
ESP10, 330, 369, 392, 413, 436, 505, , 509
ESP10, 333, 369, 393, 412, 438, 508, , 512
ESP10, 337, 370, 395, 412, 440, 512, , 516
ESP10, 336, 373, 394, 411, 439, 515, , 519
ESP10, 331, 364, 387, 405, 435, 518, , 522
ESP10, 326, 355, 380, 402, 428, 521, , 525
ESP10, 336, 360, 387, 410, 436, 524, , 528
ESP10, 344, 373, 395, 420, 444, 527, , 531
ESP10, 346, 379, 398, 422, 446, 530, , 534
ESP10, 348, 380, 398, 421, 446, 534, , 538
ESP10, 348, 379, 397, 417, 443, 537, , 541
ESP10, 349, 375, 394, 412, 437, 540, , 544
ESP10, 347, 372, 392, 409, 433, 543, , 547
ESP10, 350, 375, 394, 411, 434, 546, , 550
ESP10, 350, 374, 395, 409, 433, 549, , 553
ESP10, 353, 377, 404, 413, 438, 552, , 556
ESP10, 346, 374, 396, 408, 430, 556, , 560
ESP10, 343, 369, 388, 405, 423, 559, , 563
ESP10, 333, 360, 378, 394, 414, 562, , 566
ESP10, 339, 365, 381, 396, 418, 565, , 569
ESP10, 342, 368, 383, 401, 421, 568, , 572
ESP10, 340, 367, 379, 398, 418, 571, , 575
ESP10, 335, 364, 376, 396, 413, 574, , 578
ESP10, 327, 357, 369, 389, 406, 578, , 582
ESP10, 326, 353, 364, 385, 401, 581, , 585
ESP10, 320, 347, 357, 381, 396, 584, , 588
ESP10, 316, 344, 353, 377, 395, 587, , 591
ESP10, 315, 342, 351, 374, 394, 590, , 594
ESP10, 316, 340, 350, 370, 393, 593, , 597
ESP10, 310, 333, 345, 364, 387, 596, , 600
ESP10, 314, 335, 351, 368, 391, 600, , 604
ESP10, 316, 337, 353, 369, 395, 603, , 607
ESP10, 309, 326, 344, 358, 386, 606, , 610
ESP10, 311, 325, 341, 353, 383, 609, , 613
ESP10, 308, 321, 338, 348, 377, 612, , 616
ESP10, 292, 307, 325, 335, 362, 615, , 619
ESP10, 290, 306, 324, 334, 361, 618, , 622
ESP10, 289, 307, 325, 338, 361, 622, , 626
ESP10, 297, 316, 334, 350, 371, 625, , 629
ESP10, 296, 317, 336, 355, 373, 628, , 632
ESP10, 301, 325, 343, 360, 377, 631, , 635
ESP10, 308, 330, 348, 366, 382, 634, , 638
ESP10, 310, 330, 348, 368, 383, 637, , 641
ESP10, 305, 328, 343, 361, 378, 640, , 644
ESP10, 310, 335, 349, 366, 384, 644, , 648
ESP10, 301, 327, 344, 359, 378, 647, , 651
ESP10, 295, 322, 342, 357, 374, 650, , 654
ESP10, 295, 321, 341, 358, 376, 653, , 657
ESP10, 299, 329, 346, 364, 380, 656, , 660
ESP10, 300, 331, 349, 366, 382, 659, , 663
ESP10, 298, 327, 347, 363, 380, 663, , 667
ESP10, 300, 329, 347, 365, 380, 666, , 670
ESP10, 300, 331, 348, 365, 379, 669, , 673
ESP10, 303, 334, 351, 368, 381, 672, , 676
ESP10, 301, 331, 348, 366, 379, 675, , 679
ESP10, 300, 327, 345, 362, 375, 678, , 682
ESP10, 302, 333, 344, 363, 374, 681, , 685
ESP10, 310, 341, 350, 370, 383, 685, , 689
ESP10, 314, 342, 351, 371, 384, 688, , 692
ESP10, 316, 345, 352, 374, 385, 691, , 695
ESP10, 313, 339, 351, 369, 382, 694, , 698
ESP10, 314, 339, 354, 370, 382, 697, , 701
ESP10, 315, 339, 355, 372, 383, 700, , 704
ESP10, 315, 340, 356, 374, 384, 703, , 707
ESP10, 320, 345, 363, 380, 390, 707, , 711
ESP10, 325, 350, 369, 385, 396, 710, , 714
ESP10, 326, 351, 371, 386, 400, 713, , 717
ESP10, 327, 353, 372, 390, 402, 716, , 720
ESP10, 324, 356, 368, 385, 400, 719, , 723
ESP10, 321, 355, 368, 383, 399, 722, , 726
ESP10, 320, 354, 369, 382, 398, 725, , 729
ESP10, 326, 363, 376, 388, 404, 729, , 733
ESP10, 324, 360, 374, 387, 401, 732, , 736
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/GCDW1W_SQIN.ESPF10.csv
GCDW1W_SQIN.ESPF0.csv|2025-04-30
GCDW1W_SQIN.ESPF10.csv|2025-04-30
GCDW1W_SQIN.ESPFM.csv|2025-04-30
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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