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COEUR D ALENE - COEUR D ALENE LAKE
(
COEI1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1376
1377
55
1378
2504
APR-JUL
1331
1331
55
1331
2428
APR-AUG
1346
1346
55
1346
2470
JAN-SEP
3150
3150
80
3152
3945
JAN-JUL
3105
3105
80
3105
3868
OCT-SEP
4289
4290
96
4291
4461
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
1376
1377
55
1378
2504
APR-JUL
1331
1331
55
1331
2428
APR-AUG
1346
1346
55
1346
2470
JAN-SEP
3150
3150
80
3152
3945
JAN-JUL
3105
3105
80
3105
3868
OCT-SEP
4289
4290
96
4291
4461
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
1383
1383
55
1386
2504
APR-JUL
1331
1331
55
1331
2428
APR-AUG
1352
1352
55
1353
2470
JAN-SEP
3156
3157
80
3160
3945
JAN-JUL
3105
3105
80
3105
3868
OCT-SEP
4296
4296
96
4299
4461
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 261, 323, 383, 427, 452, 70, , 74
ESP10, 260, 323, 382, 427, 450, 72, , 76
ESP10, 260, 323, 382, 427, 450, 74, , 78
ESP10, 259, 324, 382, 426, 450, 76, , 80
ESP10, 260, 325, 384, 427, 450, 78, , 82
ESP10, 258, 324, 383, 426, 449, 81, , 85
ESP10, 260, 325, 384, 426, 450, 83, , 87
ESP10, 261, 326, 384, 426, 450, 85, , 89
ESP10, 260, 325, 383, 425, 450, 87, , 91
ESP10, 257, 324, 381, 424, 448, 89, , 93
ESP10, 257, 325, 381, 423, 448, 91, , 95
ESP10, 259, 325, 381, 424, 449, 93, , 97
ESP10, 258, 325, 381, 423, 450, 95, , 99
ESP10, 258, 325, 381, 423, 452, 97, , 101
ESP10, 256, 325, 379, 422, 450, 99, , 103
ESP10, 249, 323, 377, 421, 448, 102, , 106
ESP10, 246, 321, 375, 419, 446, 104, , 108
ESP10, 248, 320, 376, 420, 447, 106, , 110
ESP10, 247, 321, 375, 420, 446, 108, , 112
ESP10, 251, 323, 377, 421, 448, 110, , 114
ESP10, 244, 316, 372, 416, 443, 112, , 116
ESP10, 248, 323, 379, 420, 448, 114, , 118
ESP10, 246, 322, 377, 419, 446, 116, , 120
ESP10, 249, 326, 381, 421, 448, 118, , 122
ESP10, 250, 328, 384, 422, 450, 120, , 124
ESP10, 249, 328, 382, 423, 448, 122, , 126
ESP10, 248, 330, 383, 424, 448, 125, , 129
ESP10, 248, 330, 383, 425, 448, 127, , 131
ESP10, 247, 329, 382, 426, 448, 129, , 133
ESP10, 245, 328, 380, 423, 445, 131, , 135
ESP10, 244, 328, 382, 422, 446, 133, , 137
ESP10, 249, 329, 383, 423, 446, 135, , 139
ESP10, 252, 330, 382, 424, 446, 137, , 141
ESP10, 255, 335, 384, 426, 451, 139, , 143
ESP10, 257, 336, 385, 426, 451, 141, , 145
ESP10, 260, 337, 387, 427, 453, 143, , 147
ESP10, 262, 337, 390, 428, 453, 145, , 149
ESP10, 261, 332, 389, 424, 451, 148, , 152
ESP10, 263, 331, 389, 424, 451, 150, , 154
ESP10, 263, 331, 390, 424, 450, 152, , 156
ESP10, 268, 335, 397, 427, 454, 154, , 158
ESP10, 269, 335, 397, 430, 456, 156, , 160
ESP10, 267, 332, 397, 428, 454, 158, , 162
ESP10, 274, 339, 407, 433, 461, 160, , 164
ESP10, 272, 339, 406, 431, 461, 162, , 166
ESP10, 269, 339, 404, 431, 459, 164, , 168
ESP10, 270, 341, 403, 431, 458, 166, , 170
ESP10, 277, 345, 409, 436, 463, 169, , 173
ESP10, 274, 345, 408, 435, 462, 171, , 175
ESP10, 274, 345, 408, 437, 463, 173, , 177
ESP10, 267, 337, 402, 434, 457, 175, , 179
ESP10, 273, 338, 403, 435, 461, 177, , 181
ESP10, 276, 333, 398, 435, 457, 179, , 183
ESP10, 287, 341, 405, 444, 466, 181, , 185
ESP10, 280, 336, 401, 440, 461, 183, , 187
ESP10, 283, 339, 403, 444, 464, 185, , 189
ESP10, 277, 333, 397, 439, 457, 187, , 191
ESP10, 278, 335, 399, 442, 459, 189, , 193
ESP10, 281, 339, 402, 443, 461, 192, , 196
ESP10, 260, 321, 384, 431, 446, 194, , 198
ESP10, 263, 325, 390, 436, 448, 196, , 200
ESP10, 267, 332, 395, 439, 451, 198, , 202
ESP10, 264, 327, 391, 435, 449, 200, , 204
ESP10, 256, 312, 377, 422, 436, 202, , 206
ESP10, 272, 324, 391, 434, 449, 204, , 208
ESP10, 263, 315, 385, 427, 441, 206, , 210
ESP10, 286, 333, 403, 442, 458, 208, , 212
ESP10, 292, 338, 406, 446, 462, 210, , 214
ESP10, 302, 348, 412, 450, 467, 212, , 216
ESP10, 295, 338, 403, 443, 459, 215, , 219
ESP10, 280, 325, 390, 429, 446, 217, , 221
ESP10, 277, 325, 387, 426, 444, 219, , 223
ESP10, 275, 321, 385, 427, 445, 221, , 225
ESP10, 276, 322, 382, 424, 444, 223, , 227
ESP10, 282, 330, 387, 430, 453, 225, , 229
ESP10, 285, 332, 388, 431, 454, 227, , 231
ESP10, 285, 335, 389, 432, 455, 229, , 233
ESP10, 289, 338, 390, 430, 455, 231, , 235
ESP10, 290, 337, 389, 429, 454, 233, , 237
ESP10, 295, 340, 391, 429, 453, 236, , 240
ESP10, 304, 349, 399, 434, 458, 238, , 242
ESP10, 313, 356, 406, 438, 461, 240, , 244
ESP10, 318, 361, 412, 441, 464, 242, , 246
ESP10, 317, 359, 411, 439, 465, 244, , 248
ESP10, 311, 353, 407, 433, 462, 246, , 250
ESP10, 304, 347, 403, 427, 460, 248, , 252
ESP10, 306, 348, 403, 426, 463, 250, , 254
ESP10, 313, 350, 406, 430, 466, 252, , 256
ESP10, 313, 348, 406, 429, 465, 254, , 258
ESP10, 319, 353, 409, 433, 467, 256, , 260
ESP10, 328, 364, 414, 446, 473, 259, , 263
ESP10, 329, 362, 411, 443, 472, 261, , 265
ESP10, 319, 353, 401, 435, 465, 263, , 267
ESP10, 322, 361, 405, 438, 468, 265, , 269
ESP10, 318, 359, 403, 436, 464, 267, , 271
ESP10, 316, 358, 403, 434, 462, 269, , 273
ESP10, 318, 361, 405, 436, 462, 271, , 275
ESP10, 318, 364, 405, 438, 462, 273, , 277
ESP10, 322, 368, 405, 442, 462, 275, , 279
ESP10, 324, 372, 406, 442, 462, 277, , 281
ESP10, 328, 375, 407, 444, 463, 279, , 283
ESP10, 328, 376, 407, 445, 464, 282, , 286
ESP10, 328, 378, 407, 444, 464, 284, , 288
ESP10, 327, 378, 405, 443, 463, 286, , 290
ESP10, 328, 379, 404, 441, 463, 288, , 292
ESP10, 330, 379, 403, 439, 462, 290, , 294
ESP10, 333, 380, 401, 437, 461, 292, , 296
ESP10, 337, 381, 403, 438, 461, 294, , 298
ESP10, 340, 381, 403, 437, 459, 296, , 300
ESP10, 351, 391, 411, 446, 466, 298, , 302
ESP10, 353, 390, 408, 443, 465, 300, , 304
ESP10, 361, 394, 411, 447, 468, 303, , 307
ESP10, 363, 395, 413, 451, 469, 305, , 309
ESP10, 366, 399, 420, 454, 472, 307, , 311
ESP10, 366, 399, 420, 454, 472, 309, , 313
ESP10, 366, 397, 419, 453, 472, 311, , 315
ESP10, 369, 400, 420, 454, 474, 313, , 317
ESP10, 368, 403, 420, 453, 474, 315, , 319
ESP10, 369, 404, 422, 452, 478, 317, , 321
ESP10, 376, 406, 427, 454, 480, 319, , 323
ESP10, 381, 408, 430, 456, 481, 321, , 325
ESP10, 379, 405, 429, 452, 478, 323, , 327
ESP10, 383, 407, 431, 454, 479, 326, , 330
ESP10, 386, 409, 432, 456, 480, 328, , 332
ESP10, 387, 410, 434, 457, 480, 330, , 334
ESP10, 384, 409, 433, 454, 478, 332, , 336
ESP10, 381, 407, 430, 453, 477, 334, , 338
ESP10, 383, 412, 436, 456, 478, 336, , 340
ESP10, 378, 410, 431, 455, 473, 338, , 342
ESP10, 377, 410, 431, 455, 472, 340, , 344
ESP10, 373, 404, 427, 450, 468, 342, , 346
ESP10, 376, 405, 428, 451, 471, 344, , 348
ESP10, 370, 398, 421, 445, 466, 346, , 350
ESP10, 373, 402, 423, 447, 468, 349, , 353
ESP10, 371, 398, 419, 442, 465, 351, , 355
ESP10, 368, 393, 415, 438, 466, 353, , 357
ESP10, 372, 395, 415, 440, 468, 355, , 359
ESP10, 376, 401, 419, 444, 474, 357, , 361
ESP10, 362, 387, 407, 433, 462, 359, , 363
ESP10, 370, 396, 414, 442, 470, 361, , 365
ESP10, 367, 395, 412, 442, 469, 363, , 367
ESP10, 373, 399, 416, 448, 472, 365, , 369
ESP10, 374, 402, 417, 449, 472, 367, , 371
ESP10, 375, 399, 416, 448, 469, 370, , 374
ESP10, 380, 403, 418, 449, 471, 372, , 376
ESP10, 384, 406, 424, 450, 473, 374, , 378
ESP10, 388, 408, 425, 451, 473, 376, , 380
ESP10, 383, 403, 418, 445, 467, 378, , 382
ESP10, 381, 400, 418, 443, 464, 380, , 384
ESP10, 382, 401, 420, 443, 463, 382, , 386
ESP10, 387, 407, 424, 446, 466, 384, , 388
ESP10, 388, 409, 426, 448, 468, 386, , 390
ESP10, 381, 403, 419, 441, 461, 388, , 392
ESP10, 374, 398, 413, 436, 455, 390, , 394
ESP10, 369, 395, 410, 433, 451, 393, , 397
ESP10, 362, 387, 403, 428, 444, 395, , 399
ESP10, 362, 388, 407, 430, 444, 397, , 401
ESP10, 362, 390, 408, 430, 445, 399, , 403
ESP10, 361, 393, 410, 430, 446, 401, , 405
ESP10, 359, 392, 409, 429, 446, 403, , 407
ESP10, 354, 387, 405, 424, 442, 405, , 409
ESP10, 350, 384, 403, 421, 442, 407, , 411
ESP10, 351, 384, 402, 424, 443, 409, , 413
ESP10, 355, 391, 407, 428, 449, 411, , 415
ESP10, 352, 388, 406, 426, 446, 413, , 417
ESP10, 350, 384, 403, 424, 442, 416, , 420
ESP10, 346, 383, 400, 423, 435, 418, , 422
ESP10, 349, 387, 405, 427, 438, 420, , 424
ESP10, 352, 388, 410, 428, 440, 422, , 426
ESP10, 362, 392, 416, 430, 444, 424, , 428
ESP10, 367, 390, 414, 429, 444, 426, , 430
ESP10, 370, 390, 413, 429, 444, 428, , 432
ESP10, 368, 389, 412, 429, 443, 430, , 434
ESP10, 359, 380, 400, 419, 433, 432, , 436
ESP10, 355, 378, 394, 414, 429, 434, , 438
ESP10, 368, 391, 407, 427, 440, 437, , 441
ESP10, 360, 382, 397, 415, 426, 439, , 443
ESP10, 366, 389, 403, 420, 432, 441, , 445
ESP10, 367, 387, 408, 420, 433, 443, , 447
ESP10, 370, 389, 410, 423, 437, 445, , 449
ESP10, 376, 395, 415, 430, 442, 447, , 451
ESP10, 375, 397, 415, 430, 441, 449, , 453
ESP10, 374, 396, 415, 429, 439, 451, , 455
ESP10, 379, 401, 423, 435, 444, 453, , 457
ESP10, 379, 402, 425, 436, 443, 455, , 459
ESP10, 376, 400, 424, 434, 441, 457, , 461
ESP10, 378, 403, 426, 438, 442, 460, , 464
ESP10, 384, 405, 429, 441, 444, 462, , 466
ESP10, 377, 398, 422, 436, 439, 464, , 468
ESP10, 367, 390, 413, 427, 430, 466, , 470
ESP10, 366, 390, 410, 425, 428, 468, , 472
ESP10, 376, 400, 421, 435, 438, 470, , 474
ESP10, 373, 399, 418, 432, 437, 472, , 476
ESP10, 378, 402, 420, 434, 439, 474, , 478
ESP10, 388, 404, 422, 434, 439, 476, , 480
ESP10, 399, 417, 435, 445, 450, 478, , 482
ESP10, 390, 410, 427, 436, 442, 480, , 484
ESP10, 401, 418, 435, 444, 449, 483, , 487
ESP10, 399, 415, 430, 439, 444, 485, , 489
ESP10, 399, 415, 429, 438, 445, 487, , 491
ESP10, 403, 419, 433, 442, 447, 489, , 493
ESP10, 405, 420, 434, 444, 448, 491, , 495
ESP10, 402, 417, 432, 442, 446, 493, , 497
ESP10, 412, 423, 439, 449, 452, 495, , 499
ESP10, 408, 421, 438, 446, 450, 497, , 501
ESP10, 410, 423, 440, 448, 451, 499, , 503
ESP10, 408, 422, 440, 446, 450, 501, , 505
ESP10, 408, 423, 441, 446, 450, 504, , 508
ESP10, 410, 423, 440, 445, 448, 506, , 510
ESP10, 411, 425, 441, 446, 449, 508, , 512
ESP10, 413, 428, 445, 448, 453, 510, , 514
ESP10, 416, 431, 446, 450, 454, 512, , 516
ESP10, 419, 433, 447, 451, 454, 514, , 518
ESP10, 420, 435, 447, 451, 455, 516, , 520
ESP10, 420, 438, 446, 452, 455, 518, , 522
ESP10, 419, 437, 448, 451, 454, 520, , 524
ESP10, 420, 438, 448, 451, 454, 522, , 526
ESP10, 419, 438, 448, 452, 454, 524, , 528
ESP10, 421, 439, 450, 452, 454, 527, , 531
ESP10, 420, 437, 448, 451, 453, 529, , 533
ESP10, 423, 441, 449, 451, 454, 531, , 535
ESP10, 423, 443, 449, 452, 454, 533, , 537
ESP10, 423, 443, 449, 452, 454, 535, , 539
ESP10, 427, 445, 450, 453, 454, 537, , 541
ESP10, 425, 441, 447, 450, 452, 539, , 543
ESP10, 426, 441, 446, 450, 452, 541, , 545
ESP10, 426, 442, 445, 449, 452, 543, , 547
ESP10, 425, 442, 446, 449, 451, 545, , 549
ESP10, 426, 443, 447, 449, 452, 547, , 551
ESP10, 427, 444, 448, 450, 452, 550, , 554
ESP10, 428, 442, 446, 449, 450, 552, , 556
ESP10, 429, 440, 445, 447, 449, 554, , 558
ESP10, 429, 440, 445, 447, 449, 556, , 560
ESP10, 431, 441, 445, 448, 448, 558, , 562
ESP10, 430, 439, 444, 446, 447, 560, , 564
ESP10, 429, 439, 444, 446, 446, 562, , 566
ESP10, 430, 438, 443, 444, 445, 564, , 568
ESP10, 436, 441, 445, 446, 446, 566, , 570
ESP10, 441, 445, 448, 449, 449, 568, , 572
ESP10, 439, 444, 447, 448, 448, 571, , 575
ESP10, 440, 446, 448, 449, 449, 573, , 577
ESP10, 440, 446, 448, 449, 449, 575, , 579
ESP10, 441, 446, 448, 448, 449, 577, , 581
ESP10, 444, 447, 450, 450, 450, 579, , 583
ESP10, 444, 447, 448, 449, 449, 581, , 585
ESP10, 442, 446, 447, 447, 448, 583, , 587
ESP10, 444, 447, 448, 448, 449, 585, , 589
ESP10, 446, 448, 449, 449, 449, 587, , 591
ESP10, 447, 449, 449, 449, 449, 589, , 593
ESP10, 447, 449, 449, 449, 449, 591, , 595
ESP10, 448, 449, 450, 450, 450, 594, , 598
ESP10, 448, 449, 449, 450, 450, 596, , 600
ESP10, 448, 449, 450, 450, 450, 598, , 602
ESP10, 448, 450, 450, 450, 450, 600, , 604
ESP10, 449, 450, 450, 450, 450, 602, , 606
ESP10, 449, 450, 450, 450, 450, 604, , 608
ESP10, 449, 450, 450, 450, 450, 606, , 610
ESP10, 449, 450, 450, 450, 450, 608, , 612
ESP10, 449, 450, 450, 450, 451, 610, , 614
ESP10, 452, 453, 453, 453, 453, 612, , 616
ESP10, 452, 453, 453, 454, 454, 614, , 618
ESP10, 452, 453, 453, 453, 453, 617, , 621
ESP10, 452, 453, 453, 453, 453, 619, , 623
ESP10, 453, 454, 454, 454, 454, 621, , 625
ESP10, 453, 454, 454, 454, 454, 623, , 627
ESP10, 454, 454, 455, 455, 455, 625, , 629
ESP10, 454, 454, 454, 454, 455, 627, , 631
ESP10, 454, 454, 454, 454, 454, 629, , 633
ESP10, 454, 454, 454, 454, 454, 631, , 635
ESP10, 454, 454, 454, 454, 454, 633, , 637
ESP10, 453, 453, 453, 453, 453, 635, , 639
ESP10, 452, 452, 452, 453, 453, 638, , 642
ESP10, 453, 453, 454, 454, 454, 640, , 644
ESP10, 453, 453, 453, 453, 453, 642, , 646
ESP10, 453, 453, 453, 453, 453, 644, , 648
ESP10, 453, 453, 453, 453, 453, 646, , 650
ESP10, 453, 453, 453, 453, 453, 648, , 652
ESP10, 453, 453, 453, 453, 454, 650, , 654
ESP10, 453, 454, 454, 454, 454, 652, , 656
ESP10, 453, 453, 453, 453, 453, 654, , 658
ESP10, 453, 454, 454, 454, 454, 656, , 660
ESP10, 454, 454, 454, 454, 454, 658, , 662
ESP10, 454, 454, 454, 454, 454, 661, , 665
ESP10, 454, 454, 454, 454, 454, 663, , 667
ESP10, 453, 453, 454, 454, 454, 665, , 669
ESP10, 454, 455, 455, 455, 455, 667, , 671
ESP10, 455, 455, 455, 455, 455, 669, , 673
ESP10, 455, 455, 455, 455, 455, 671, , 675
ESP10, 455, 455, 455, 455, 455, 673, , 677
ESP10, 455, 455, 455, 455, 455, 675, , 679
ESP10, 455, 455, 455, 455, 455, 677, , 681
ESP10, 454, 455, 455, 455, 455, 679, , 683
ESP10, 454, 455, 455, 455, 455, 681, , 685
ESP10, 454, 455, 455, 455, 455, 684, , 688
ESP10, 455, 455, 455, 455, 455, 686, , 690
ESP10, 455, 455, 455, 455, 455, 688, , 692
ESP10, 454, 454, 454, 454, 454, 690, , 694
ESP10, 454, 455, 455, 455, 455, 692, , 696
ESP10, 454, 454, 455, 455, 455, 694, , 698
ESP10, 455, 455, 455, 455, 455, 696, , 700
ESP10, 455, 455, 455, 455, 455, 698, , 702
ESP10, 455, 455, 455, 455, 455, 700, , 704
ESP10, 455, 455, 455, 455, 455, 702, , 706
ESP10, 455, 455, 455, 455, 455, 705, , 709
ESP10, 455, 455, 455, 455, 455, 707, , 711
ESP10, 455, 455, 455, 456, 456, 709, , 713
ESP10, 455, 455, 456, 456, 456, 711, , 715
ESP10, 455, 456, 456, 456, 456, 713, , 717
ESP10, 455, 456, 456, 456, 456, 715, , 719
ESP10, 456, 456, 456, 456, 456, 717, , 721
ESP10, 456, 456, 456, 456, 457, 719, , 723
ESP10, 456, 456, 456, 456, 456, 721, , 725
ESP10, 456, 456, 456, 456, 457, 723, , 727
ESP10, 456, 456, 456, 456, 456, 725, , 729
ESP10, 456, 456, 456, 456, 456, 728, , 732
ESP10, 457, 457, 457, 457, 457, 730, , 734
ESP10, 457, 457, 457, 457, 457, 732, , 736
ESP10, 457, 457, 457, 457, 457, 734, , 738
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/COEI1W_SQIN.ESPF10.csv
COEI1W_SQIN.ESPF0.csv|2026-08-15
COEI1W_SQIN.ESPF10.csv|2026-08-15
COEI1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
COEUR D ALENE - COEUR D ALENE LAKE
(
COEI1
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1446
2161
86
3551
2504
APR-JUL
1374
2076
86
3435
2428
APR-AUG
1412
2124
86
3504
2470
JAN-SEP
2327
3599
91
5127
3945
JAN-JUL
2257
3516
91
5017
3868
OCT-SEP
2583
4044
91
5631
4461
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/watersupply/COEI1W_SQIN.ESPF10.csv
COEI1W_SQIN.ESPF0.csv|2026-08-15
COEI1W_SQIN.ESPF10.csv|2026-08-15
COEI1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
