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Archive:
Water Year
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CHELAN - LAKE CHELAN DAM
(
CHDW1
)
Forecasts for Water Year
2025
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
775
778
66
784
1185
APR-JUL
732
732
69
732
1065
JAN-SEP
941
944
68
949
1381
JAN-JUL
897
897
71
898
1261
OCT-SEP
1057
1060
66
1065
1603
Experimental
HEFS with 15 days EQPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
APR-SEP
776
779
66
784
1185
APR-JUL
732
732
69
733
1065
JAN-SEP
941
944
68
949
1381
JAN-JUL
897
898
71
898
1261
OCT-SEP
1057
1060
66
1065
1603
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
APR-SEP
763
766
65
773
1185
APR-JUL
720
720
68
720
1065
JAN-SEP
929
932
68
938
1381
JAN-JUL
885
885
70
886
1261
OCT-SEP
1045
1048
65
1054
1603
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 274, 354, 397, 431, 453, 70, , 74
ESP10, 275, 354, 397, 431, 453, 73, , 77
ESP10, 276, 354, 398, 431, 454, 75, , 79
ESP10, 278, 356, 399, 432, 454, 77, , 81
ESP10, 279, 355, 398, 431, 454, 80, , 84
ESP10, 279, 354, 398, 431, 453, 82, , 86
ESP10, 281, 354, 398, 431, 454, 84, , 88
ESP10, 280, 355, 397, 431, 453, 87, , 91
ESP10, 278, 354, 395, 428, 451, 89, , 93
ESP10, 277, 352, 394, 428, 449, 91, , 95
ESP10, 280, 353, 395, 431, 451, 94, , 98
ESP10, 281, 353, 399, 432, 454, 96, , 100
ESP10, 282, 354, 403, 434, 455, 98, , 102
ESP10, 284, 354, 403, 436, 456, 101, , 105
ESP10, 283, 352, 402, 435, 457, 103, , 107
ESP10, 281, 351, 401, 435, 460, 105, , 109
ESP10, 279, 349, 399, 432, 458, 108, , 112
ESP10, 274, 345, 393, 428, 456, 110, , 114
ESP10, 281, 350, 397, 431, 460, 113, , 117
ESP10, 273, 346, 390, 424, 455, 115, , 119
ESP10, 280, 353, 393, 429, 459, 117, , 121
ESP10, 284, 357, 397, 432, 462, 120, , 124
ESP10, 280, 357, 393, 429, 459, 122, , 126
ESP10, 282, 360, 395, 433, 460, 124, , 128
ESP10, 283, 361, 394, 437, 460, 127, , 131
ESP10, 282, 360, 393, 439, 460, 129, , 133
ESP10, 282, 360, 392, 441, 460, 131, , 135
ESP10, 282, 360, 392, 441, 461, 134, , 138
ESP10, 283, 358, 390, 440, 459, 136, , 140
ESP10, 282, 355, 390, 438, 458, 138, , 142
ESP10, 272, 346, 389, 429, 449, 141, , 145
ESP10, 269, 347, 390, 430, 448, 143, , 147
ESP10, 266, 347, 389, 427, 446, 145, , 149
ESP10, 260, 340, 383, 421, 441, 148, , 152
ESP10, 262, 342, 383, 422, 442, 150, , 154
ESP10, 264, 342, 384, 423, 442, 152, , 156
ESP10, 268, 353, 387, 424, 443, 155, , 159
ESP10, 260, 347, 380, 419, 435, 157, , 161
ESP10, 258, 345, 386, 418, 436, 159, , 163
ESP10, 264, 351, 389, 424, 442, 162, , 166
ESP10, 272, 354, 394, 429, 449, 164, , 168
ESP10, 284, 363, 400, 437, 454, 166, , 170
ESP10, 272, 351, 388, 428, 446, 169, , 173
ESP10, 265, 344, 381, 423, 443, 171, , 175
ESP10, 230, 316, 358, 399, 421, 173, , 177
ESP10, 223, 309, 351, 391, 414, 176, , 180
ESP10, 242, 324, 369, 409, 429, 178, , 182
ESP10, 255, 336, 385, 421, 443, 180, , 184
ESP10, 268, 342, 390, 427, 451, 183, , 187
ESP10, 274, 350, 392, 429, 453, 185, , 189
ESP10, 280, 351, 389, 427, 450, 187, , 191
ESP10, 295, 357, 392, 428, 453, 190, , 194
ESP10, 301, 359, 399, 434, 459, 192, , 196
ESP10, 302, 360, 400, 432, 459, 195, , 199
ESP10, 307, 360, 402, 433, 462, 197, , 201
ESP10, 311, 361, 402, 433, 465, 199, , 203
ESP10, 312, 358, 404, 432, 463, 202, , 206
ESP10, 315, 360, 406, 435, 465, 204, , 208
ESP10, 317, 364, 409, 442, 467, 206, , 210
ESP10, 316, 363, 409, 445, 469, 209, , 213
ESP10, 318, 366, 413, 449, 473, 211, , 215
ESP10, 320, 365, 414, 446, 473, 213, , 217
ESP10, 319, 366, 415, 444, 470, 216, , 220
ESP10, 313, 360, 407, 437, 463, 218, , 222
ESP10, 316, 363, 409, 440, 466, 220, , 224
ESP10, 321, 362, 409, 441, 469, 223, , 227
ESP10, 317, 357, 404, 434, 461, 225, , 229
ESP10, 322, 366, 408, 439, 465, 227, , 231
ESP10, 321, 363, 409, 436, 463, 230, , 234
ESP10, 319, 355, 404, 435, 460, 232, , 236
ESP10, 343, 377, 423, 453, 479, 234, , 238
ESP10, 347, 378, 424, 455, 480, 237, , 241
ESP10, 347, 377, 424, 457, 479, 239, , 243
ESP10, 339, 367, 415, 447, 471, 241, , 245
ESP10, 325, 354, 405, 436, 460, 244, , 248
ESP10, 307, 340, 392, 423, 447, 246, , 250
ESP10, 310, 343, 393, 427, 449, 248, , 252
ESP10, 308, 345, 392, 427, 448, 251, , 255
ESP10, 302, 344, 388, 424, 445, 253, , 257
ESP10, 294, 342, 382, 420, 440, 255, , 259
ESP10, 293, 343, 382, 419, 440, 258, , 262
ESP10, 293, 346, 384, 419, 440, 260, , 264
ESP10, 294, 347, 387, 421, 439, 262, , 266
ESP10, 304, 359, 393, 430, 444, 265, , 269
ESP10, 292, 348, 384, 420, 434, 267, , 271
ESP10, 297, 352, 388, 425, 440, 269, , 273
ESP10, 302, 354, 392, 428, 446, 272, , 276
ESP10, 317, 358, 397, 433, 453, 274, , 278
ESP10, 324, 360, 400, 435, 459, 276, , 280
ESP10, 336, 369, 408, 446, 466, 279, , 283
ESP10, 335, 369, 408, 445, 465, 281, , 285
ESP10, 331, 366, 405, 442, 462, 284, , 288
ESP10, 334, 371, 411, 445, 465, 286, , 290
ESP10, 345, 379, 418, 452, 471, 288, , 292
ESP10, 344, 380, 418, 450, 469, 293, , 297
ESP10, 349, 382, 421, 454, 473, 295, , 299
ESP10, 354, 382, 422, 454, 473, 298, , 302
ESP10, 356, 391, 428, 456, 476, 300, , 304
ESP10, 357, 396, 429, 458, 477, 302, , 306
ESP10, 357, 396, 431, 457, 476, 305, , 309
ESP10, 362, 400, 433, 458, 477, 307, , 311
ESP10, 365, 403, 437, 459, 478, 309, , 313
ESP10, 365, 404, 437, 461, 478, 312, , 316
ESP10, 367, 405, 441, 463, 477, 314, , 318
ESP10, 372, 406, 443, 463, 477, 316, , 320
ESP10, 374, 405, 442, 463, 477, 319, , 323
ESP10, 374, 406, 442, 463, 478, 321, , 325
ESP10, 374, 408, 445, 463, 483, 323, , 327
ESP10, 381, 414, 448, 466, 488, 326, , 330
ESP10, 386, 418, 449, 469, 489, 328, , 332
ESP10, 387, 421, 450, 468, 491, 330, , 334
ESP10, 386, 423, 449, 466, 490, 333, , 337
ESP10, 383, 420, 445, 466, 487, 335, , 339
ESP10, 387, 422, 445, 467, 490, 337, , 341
ESP10, 391, 426, 449, 471, 493, 340, , 344
ESP10, 388, 422, 445, 469, 492, 342, , 346
ESP10, 387, 422, 443, 468, 494, 344, , 348
ESP10, 387, 419, 440, 466, 491, 347, , 351
ESP10, 393, 425, 444, 469, 494, 349, , 353
ESP10, 393, 427, 444, 471, 494, 351, , 355
ESP10, 395, 429, 446, 472, 494, 354, , 358
ESP10, 401, 432, 450, 473, 496, 356, , 360
ESP10, 402, 434, 453, 474, 499, 358, , 362
ESP10, 402, 432, 454, 472, 499, 361, , 365
ESP10, 402, 431, 456, 472, 498, 363, , 367
ESP10, 402, 431, 455, 471, 499, 366, , 370
ESP10, 401, 429, 455, 470, 496, 368, , 372
ESP10, 394, 424, 446, 462, 487, 370, , 374
ESP10, 404, 433, 452, 469, 494, 373, , 377
ESP10, 408, 434, 451, 469, 494, 375, , 379
ESP10, 410, 435, 456, 471, 495, 377, , 381
ESP10, 412, 439, 458, 475, 496, 380, , 384
ESP10, 420, 442, 459, 478, 496, 382, , 386
ESP10, 420, 446, 459, 479, 496, 384, , 388
ESP10, 410, 436, 449, 470, 488, 387, , 391
ESP10, 404, 428, 445, 464, 481, 389, , 393
ESP10, 407, 430, 446, 466, 486, 391, , 395
ESP10, 407, 429, 448, 466, 485, 394, , 398
ESP10, 410, 430, 450, 467, 486, 396, , 400
ESP10, 411, 429, 450, 470, 485, 398, , 402
ESP10, 411, 427, 450, 468, 483, 401, , 405
ESP10, 407, 425, 448, 465, 479, 403, , 407
ESP10, 401, 424, 445, 462, 474, 405, , 409
ESP10, 406, 431, 451, 467, 478, 408, , 412
ESP10, 412, 436, 454, 470, 480, 410, , 414
ESP10, 411, 436, 454, 469, 479, 412, , 416
ESP10, 411, 436, 453, 470, 478, 415, , 419
ESP10, 410, 435, 451, 469, 476, 417, , 421
ESP10, 408, 431, 446, 464, 470, 419, , 423
ESP10, 404, 425, 444, 458, 466, 422, , 426
ESP10, 411, 432, 451, 463, 472, 424, , 428
ESP10, 419, 441, 458, 469, 479, 426, , 430
ESP10, 420, 440, 457, 467, 479, 429, , 433
ESP10, 421, 438, 455, 467, 478, 431, , 435
ESP10, 416, 435, 452, 464, 475, 433, , 437
ESP10, 403, 424, 441, 452, 463, 436, , 440
ESP10, 411, 432, 449, 460, 470, 438, , 442
ESP10, 417, 437, 454, 467, 475, 440, , 444
ESP10, 421, 440, 455, 467, 477, 443, , 447
ESP10, 419, 440, 455, 466, 475, 445, , 449
ESP10, 414, 436, 450, 461, 471, 448, , 452
ESP10, 414, 435, 449, 463, 470, 450, , 454
ESP10, 412, 431, 446, 460, 467, 452, , 456
ESP10, 410, 427, 444, 456, 465, 455, , 459
ESP10, 413, 425, 441, 454, 463, 457, , 461
ESP10, 412, 426, 440, 453, 463, 459, , 463
ESP10, 416, 429, 444, 456, 467, 462, , 466
ESP10, 417, 430, 445, 457, 469, 464, , 468
ESP10, 423, 438, 450, 463, 474, 466, , 470
ESP10, 413, 428, 441, 455, 465, 469, , 473
ESP10, 408, 425, 437, 450, 460, 471, , 475
ESP10, 403, 419, 432, 445, 454, 473, , 477
ESP10, 403, 422, 431, 445, 455, 476, , 480
ESP10, 406, 424, 434, 448, 456, 478, , 482
ESP10, 407, 427, 438, 449, 457, 480, , 484
ESP10, 407, 431, 441, 451, 458, 483, , 487
ESP10, 411, 433, 444, 453, 461, 485, , 489
ESP10, 413, 434, 446, 454, 462, 487, , 491
ESP10, 419, 436, 449, 458, 465, 490, , 494
ESP10, 423, 440, 453, 462, 470, 492, , 496
ESP10, 422, 439, 451, 459, 467, 494, , 498
ESP10, 419, 436, 449, 457, 464, 497, , 501
ESP10, 413, 432, 444, 453, 461, 499, , 503
ESP10, 415, 437, 448, 456, 464, 501, , 505
ESP10, 418, 438, 450, 457, 465, 504, , 508
ESP10, 419, 439, 451, 458, 466, 506, , 510
ESP10, 422, 442, 454, 460, 469, 508, , 512
ESP10, 420, 439, 452, 457, 467, 511, , 515
ESP10, 423, 443, 456, 461, 470, 513, , 517
ESP10, 424, 443, 457, 463, 470, 515, , 519
ESP10, 427, 446, 461, 467, 474, 518, , 522
ESP10, 429, 449, 463, 469, 477, 520, , 524
ESP10, 428, 450, 464, 470, 477, 522, , 526
ESP10, 430, 452, 465, 472, 479, 525, , 529
ESP10, 430, 453, 464, 472, 480, 527, , 531
ESP10, 432, 453, 464, 472, 481, 530, , 534
ESP10, 436, 455, 466, 475, 482, 532, , 536
ESP10, 434, 452, 462, 471, 479, 534, , 538
ESP10, 436, 454, 463, 473, 480, 537, , 541
ESP10, 437, 454, 463, 473, 480, 539, , 543
ESP10, 440, 453, 463, 472, 479, 541, , 545
ESP10, 438, 447, 457, 467, 472, 544, , 548
ESP10, 442, 450, 459, 468, 473, 546, , 550
ESP10, 447, 451, 460, 469, 474, 548, , 552
ESP10, 446, 450, 460, 467, 473, 551, , 555
ESP10, 449, 455, 462, 470, 475, 553, , 557
ESP10, 450, 456, 463, 470, 475, 555, , 559
ESP10, 443, 448, 456, 462, 468, 558, , 562
ESP10, 448, 452, 459, 467, 472, 560, , 564
ESP10, 449, 452, 458, 465, 469, 562, , 566
ESP10, 443, 445, 452, 459, 463, 565, , 569
ESP10, 443, 448, 454, 460, 463, 567, , 571
ESP10, 445, 449, 455, 462, 465, 569, , 573
ESP10, 444, 449, 455, 463, 464, 572, , 576
ESP10, 446, 452, 458, 466, 467, 574, , 578
ESP10, 445, 451, 457, 465, 467, 576, , 580
ESP10, 443, 449, 455, 463, 465, 579, , 583
ESP10, 448, 454, 461, 467, 471, 581, , 585
ESP10, 449, 454, 459, 466, 469, 583, , 587
ESP10, 449, 455, 459, 466, 471, 586, , 590
ESP10, 450, 455, 459, 466, 470, 588, , 592
ESP10, 451, 455, 459, 465, 471, 590, , 594
ESP10, 452, 457, 461, 468, 474, 593, , 597
ESP10, 452, 455, 460, 468, 473, 595, , 599
ESP10, 452, 454, 460, 467, 472, 597, , 601
ESP10, 451, 453, 458, 466, 470, 600, , 604
ESP10, 448, 450, 456, 463, 467, 602, , 606
ESP10, 446, 448, 454, 460, 465, 604, , 608
ESP10, 445, 449, 454, 459, 465, 607, , 611
ESP10, 446, 451, 456, 460, 466, 609, , 613
ESP10, 445, 449, 452, 458, 462, 611, , 615
ESP10, 446, 450, 452, 458, 462, 614, , 618
ESP10, 445, 451, 454, 457, 461, 616, , 620
ESP10, 444, 449, 453, 455, 459, 619, , 623
ESP10, 446, 451, 455, 456, 460, 621, , 625
ESP10, 442, 446, 450, 452, 455, 623, , 627
ESP10, 442, 446, 451, 452, 455, 626, , 630
ESP10, 442, 446, 449, 451, 453, 628, , 632
ESP10, 443, 448, 451, 453, 455, 630, , 634
ESP10, 442, 447, 450, 452, 454, 633, , 637
ESP10, 451, 455, 456, 458, 461, 635, , 639
ESP10, 450, 454, 456, 458, 460, 637, , 641
ESP10, 450, 454, 455, 458, 459, 640, , 644
ESP10, 450, 453, 455, 458, 459, 642, , 646
ESP10, 450, 453, 455, 457, 458, 644, , 648
ESP10, 450, 453, 456, 458, 458, 647, , 651
ESP10, 450, 453, 456, 457, 458, 649, , 653
ESP10, 450, 453, 456, 457, 458, 651, , 655
ESP10, 447, 450, 452, 453, 454, 654, , 658
ESP10, 450, 452, 454, 454, 455, 677, , 681
ESP10, 450, 453, 454, 454, 455, 679, , 683
ESP10, 451, 453, 454, 455, 455, 682, , 686
ESP10, 452, 453, 454, 455, 455, 684, , 688
ESP10, 456, 458, 459, 459, 459, 686, , 690
ESP10, 457, 458, 459, 459, 459, 689, , 693
ESP10, 457, 457, 458, 459, 459, 691, , 695
ESP10, 456, 457, 458, 458, 458, 693, , 697
ESP10, 455, 456, 457, 457, 457, 696, , 700
ESP10, 455, 456, 456, 457, 457, 698, , 702
ESP10, 455, 455, 456, 456, 457, 701, , 705
ESP10, 454, 455, 456, 456, 456, 703, , 707
ESP10, 454, 455, 456, 456, 456, 705, , 709
ESP10, 453, 454, 454, 455, 455, 708, , 712
ESP10, 451, 452, 452, 452, 453, 710, , 714
ESP10, 450, 451, 452, 452, 452, 712, , 716
ESP10, 452, 452, 453, 453, 453, 715, , 719
ESP10, 449, 450, 451, 451, 451, 717, , 721
ESP10, 449, 449, 450, 450, 451, 719, , 723
ESP10, 449, 450, 450, 451, 451, 722, , 726
ESP10, 450, 450, 451, 451, 451, 724, , 728
ESP10, 449, 449, 450, 450, 451, 726, , 730
ESP10, 449, 449, 450, 450, 450, 729, , 733
ESP10, 448, 449, 449, 450, 450, 731, , 735
ESP10, 445, 446, 446, 447, 447, 733, , 737
Max Scale
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Show Min/Max Ensemble Volume
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/CHDW1N_SQIN.ESPF10.csv
CHDW1N_SQIN.ESPF0.csv|2025-07-12
CHDW1N_SQIN.ESPF10.csv|2025-07-12
CHDW1N_SQIN.ESPFM.csv|2025-07-12
APR-SEP
CHELAN - LAKE CHELAN DAM
(
CHDW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
634
996
84
1624
1185
APR-JUL
589
897
84
1332
1065
JAN-SEP
761
1214
88
1814
1381
JAN-JUL
715
1099
87
1556
1261
OCT-SEP
829
1422
89
1956
1603
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/CHDW1N_SQIN.ESPF10.csv
CHDW1N_SQIN.ESPF0.csv|2025-07-12
CHDW1N_SQIN.ESPF10.csv|2025-07-12
CHDW1N_SQIN.ESPFM.csv|2025-07-12
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast