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Archive:
Water Year
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SNAKE - AT HELLS CANYON DAM
(
HCDI1
)
Forecasts for Water Year
2025
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-19
Issued:
2025-07-19
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
5758
5826
87
5976
6725
APR-JUL
4491
4492
83
4494
5429
JAN-SEP
9250
9318
92
9468
10130
JAN-JUL
7983
7984
90
7986
8834
OCT-SEP
11304
11373
91
11523
12500
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2025-07-19
Issued:
2025-07-19
Hide Forecast
APR-SEP
5760
5826
87
5971
6725
APR-JUL
4490
4493
83
4497
5429
JAN-SEP
9252
9318
92
9463
10130
JAN-JUL
7982
7985
90
7989
8834
OCT-SEP
11306
11373
91
11518
12500
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-19
Issued:
2025-07-19
Hide Forecast
APR-SEP
5766
5828
87
5980
6725
APR-JUL
4484
4491
83
4497
5429
JAN-SEP
9257
9320
92
9471
10130
JAN-JUL
7976
7983
90
7989
8834
OCT-SEP
11312
11375
91
11526
12500
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 193, 305, 396, 447, 485, 70, , 74
ESP10, 202, 277, 415, 473, 488, 73, , 77
ESP10, 207, 281, 440, 472, 493, 75, , 79
ESP10, 205, 278, 436, 472, 493, 77, , 81
ESP10, 209, 312, 439, 472, 493, 79, , 83
ESP10, 204, 313, 440, 472, 493, 82, , 86
ESP10, 217, 306, 437, 472, 493, 84, , 88
ESP10, 218, 307, 439, 472, 493, 86, , 90
ESP10, 209, 309, 425, 470, 492, 89, , 93
ESP10, 214, 308, 434, 471, 492, 91, , 95
ESP10, 213, 308, 432, 472, 491, 93, , 97
ESP10, 214, 308, 437, 474, 492, 95, , 99
ESP10, 194, 301, 430, 470, 490, 98, , 102
ESP10, 214, 305, 431, 472, 493, 100, , 104
ESP10, 211, 311, 430, 474, 494, 102, , 106
ESP10, 213, 326, 430, 474, 495, 105, , 109
ESP10, 217, 327, 432, 477, 497, 107, , 111
ESP10, 219, 332, 431, 477, 497, 109, , 113
ESP10, 217, 324, 431, 474, 495, 111, , 115
ESP10, 211, 301, 426, 472, 491, 114, , 118
ESP10, 218, 331, 429, 475, 494, 116, , 120
ESP10, 216, 313, 430, 473, 493, 118, , 122
ESP10, 218, 326, 430, 473, 492, 121, , 125
ESP10, 231, 329, 427, 474, 492, 123, , 127
ESP10, 230, 329, 429, 476, 492, 125, , 129
ESP10, 230, 332, 433, 476, 492, 127, , 131
ESP10, 227, 329, 431, 475, 492, 130, , 134
ESP10, 230, 329, 432, 475, 494, 132, , 136
ESP10, 228, 328, 430, 473, 492, 134, , 138
ESP10, 231, 331, 432, 474, 491, 137, , 141
ESP10, 228, 328, 432, 469, 488, 139, , 143
ESP10, 228, 322, 422, 467, 487, 141, , 145
ESP10, 234, 323, 423, 468, 487, 143, , 147
ESP10, 224, 313, 418, 468, 486, 146, , 150
ESP10, 205, 296, 414, 463, 483, 148, , 152
ESP10, 211, 296, 416, 464, 483, 150, , 154
ESP10, 230, 311, 420, 464, 488, 153, , 157
ESP10, 228, 328, 425, 463, 487, 155, , 159
ESP10, 235, 331, 431, 464, 490, 157, , 161
ESP10, 240, 340, 431, 472, 491, 159, , 163
ESP10, 229, 344, 431, 472, 493, 162, , 166
ESP10, 262, 350, 437, 473, 498, 164, , 168
ESP10, 254, 352, 435, 471, 496, 166, , 170
ESP10, 258, 352, 434, 471, 496, 169, , 173
ESP10, 249, 345, 428, 466, 490, 171, , 175
ESP10, 241, 332, 424, 463, 487, 173, , 177
ESP10, 227, 330, 409, 455, 481, 175, , 179
ESP10, 204, 299, 397, 449, 474, 178, , 182
ESP10, 222, 327, 407, 455, 479, 180, , 184
ESP10, 212, 317, 403, 445, 476, 182, , 186
ESP10, 224, 329, 405, 454, 478, 185, , 189
ESP10, 244, 355, 412, 461, 485, 187, , 191
ESP10, 265, 346, 412, 457, 485, 189, , 193
ESP10, 266, 356, 413, 458, 488, 191, , 195
ESP10, 265, 357, 412, 460, 488, 194, , 198
ESP10, 268, 360, 418, 458, 489, 196, , 200
ESP10, 269, 357, 416, 467, 489, 198, , 202
ESP10, 271, 365, 416, 466, 489, 201, , 205
ESP10, 300, 366, 417, 470, 492, 203, , 207
ESP10, 287, 368, 416, 473, 492, 205, , 209
ESP10, 294, 368, 416, 473, 492, 207, , 211
ESP10, 286, 368, 422, 472, 491, 210, , 214
ESP10, 301, 369, 427, 472, 490, 212, , 216
ESP10, 273, 363, 421, 471, 486, 214, , 218
ESP10, 272, 359, 420, 472, 485, 217, , 221
ESP10, 296, 364, 420, 473, 485, 219, , 223
ESP10, 315, 365, 416, 470, 483, 221, , 225
ESP10, 303, 376, 427, 477, 489, 223, , 227
ESP10, 321, 374, 426, 476, 488, 226, , 230
ESP10, 344, 368, 422, 471, 486, 228, , 232
ESP10, 352, 372, 425, 473, 491, 230, , 234
ESP10, 325, 376, 425, 473, 491, 233, , 237
ESP10, 325, 370, 421, 468, 486, 235, , 239
ESP10, 343, 371, 421, 467, 487, 237, , 241
ESP10, 286, 339, 412, 451, 479, 240, , 244
ESP10, 280, 352, 409, 449, 482, 242, , 246
ESP10, 272, 319, 389, 444, 478, 244, , 248
ESP10, 267, 335, 391, 443, 476, 246, , 250
ESP10, 265, 330, 369, 436, 472, 249, , 253
ESP10, 270, 322, 382, 437, 472, 251, , 255
ESP10, 273, 333, 380, 437, 473, 253, , 257
ESP10, 279, 342, 389, 440, 474, 256, , 260
ESP10, 250, 330, 372, 436, 465, 258, , 262
ESP10, 256, 336, 385, 439, 467, 260, , 264
ESP10, 269, 327, 386, 440, 462, 262, , 266
ESP10, 251, 326, 382, 437, 465, 265, , 269
ESP10, 259, 333, 388, 443, 475, 267, , 271
ESP10, 263, 339, 399, 444, 478, 269, , 273
ESP10, 255, 333, 387, 445, 476, 272, , 276
ESP10, 295, 335, 397, 442, 476, 274, , 278
ESP10, 307, 337, 402, 444, 471, 276, , 280
ESP10, 272, 338, 401, 448, 472, 278, , 282
ESP10, 293, 343, 391, 447, 470, 281, , 285
ESP10, 313, 336, 398, 445, 469, 283, , 287
ESP10, 293, 341, 393, 441, 465, 288, , 292
ESP10, 296, 346, 398, 442, 470, 290, , 294
ESP10, 296, 349, 397, 441, 469, 292, , 296
ESP10, 295, 348, 397, 440, 469, 294, , 298
ESP10, 294, 350, 400, 440, 469, 297, , 301
ESP10, 290, 350, 397, 443, 469, 299, , 303
ESP10, 303, 351, 399, 443, 468, 301, , 305
ESP10, 336, 361, 406, 444, 469, 304, , 308
ESP10, 340, 366, 406, 444, 469, 306, , 310
ESP10, 337, 363, 405, 443, 467, 308, , 312
ESP10, 338, 366, 408, 443, 467, 310, , 314
ESP10, 337, 368, 410, 444, 467, 313, , 317
ESP10, 340, 369, 409, 443, 466, 315, , 319
ESP10, 343, 368, 409, 440, 466, 317, , 321
ESP10, 345, 372, 412, 444, 468, 320, , 324
ESP10, 348, 369, 410, 441, 469, 322, , 326
ESP10, 348, 378, 411, 447, 470, 324, , 328
ESP10, 346, 375, 410, 446, 469, 326, , 330
ESP10, 336, 366, 407, 444, 464, 329, , 333
ESP10, 335, 372, 406, 443, 461, 331, , 335
ESP10, 338, 365, 406, 444, 461, 333, , 337
ESP10, 337, 362, 407, 443, 457, 336, , 340
ESP10, 299, 348, 394, 432, 446, 338, , 342
ESP10, 279, 343, 385, 427, 445, 340, , 344
ESP10, 265, 331, 368, 416, 435, 342, , 346
ESP10, 265, 326, 364, 419, 434, 345, , 349
ESP10, 281, 344, 382, 428, 443, 347, , 351
ESP10, 282, 329, 361, 418, 441, 349, , 353
ESP10, 267, 321, 355, 406, 432, 352, , 356
ESP10, 274, 325, 368, 412, 431, 354, , 358
ESP10, 273, 327, 362, 411, 426, 356, , 360
ESP10, 256, 316, 351, 394, 420, 358, , 362
ESP10, 259, 311, 346, 388, 413, 361, , 365
ESP10, 252, 298, 342, 386, 411, 363, , 367
ESP10, 275, 314, 360, 402, 421, 365, , 369
ESP10, 276, 316, 358, 400, 415, 368, , 372
ESP10, 289, 327, 370, 407, 429, 370, , 374
ESP10, 305, 341, 378, 414, 436, 372, , 376
ESP10, 277, 325, 368, 407, 428, 374, , 378
ESP10, 291, 331, 371, 409, 426, 377, , 381
ESP10, 274, 326, 368, 406, 424, 379, , 383
ESP10, 291, 330, 371, 409, 432, 381, , 385
ESP10, 288, 327, 367, 401, 432, 384, , 388
ESP10, 265, 320, 369, 395, 429, 386, , 390
ESP10, 262, 321, 365, 404, 426, 388, , 392
ESP10, 261, 321, 365, 404, 424, 390, , 394
ESP10, 282, 329, 376, 403, 428, 393, , 397
ESP10, 247, 323, 368, 403, 426, 395, , 399
ESP10, 255, 327, 369, 395, 420, 397, , 401
ESP10, 255, 322, 369, 398, 417, 400, , 404
ESP10, 285, 329, 375, 401, 420, 402, , 406
ESP10, 286, 334, 379, 401, 424, 404, , 408
ESP10, 266, 334, 380, 402, 424, 406, , 410
ESP10, 263, 331, 383, 403, 427, 409, , 413
ESP10, 290, 331, 383, 403, 418, 411, , 415
ESP10, 288, 330, 379, 405, 425, 413, , 417
ESP10, 276, 317, 363, 393, 409, 416, , 420
ESP10, 250, 286, 355, 392, 407, 418, , 422
ESP10, 252, 287, 364, 393, 405, 420, , 424
ESP10, 266, 299, 360, 399, 410, 422, , 426
ESP10, 255, 285, 357, 399, 405, 425, , 429
ESP10, 272, 299, 368, 400, 409, 427, , 431
ESP10, 237, 273, 349, 379, 392, 429, , 433
ESP10, 252, 292, 356, 385, 398, 432, , 436
ESP10, 258, 296, 360, 384, 401, 434, , 438
ESP10, 254, 309, 353, 376, 399, 436, , 440
ESP10, 256, 303, 348, 375, 394, 438, , 442
ESP10, 240, 280, 339, 369, 388, 441, , 445
ESP10, 251, 287, 346, 371, 385, 443, , 447
ESP10, 230, 292, 331, 371, 382, 445, , 449
ESP10, 255, 296, 344, 373, 386, 448, , 452
ESP10, 274, 301, 351, 382, 393, 450, , 454
ESP10, 270, 324, 359, 384, 394, 452, , 456
ESP10, 285, 308, 361, 386, 398, 454, , 458
ESP10, 284, 332, 364, 388, 397, 457, , 461
ESP10, 293, 332, 367, 387, 400, 459, , 463
ESP10, 295, 325, 368, 387, 398, 461, , 465
ESP10, 298, 325, 352, 381, 399, 464, , 468
ESP10, 266, 301, 344, 373, 391, 466, , 470
ESP10, 245, 275, 328, 366, 382, 468, , 472
ESP10, 260, 283, 328, 366, 385, 470, , 474
ESP10, 272, 300, 353, 374, 394, 473, , 477
ESP10, 279, 298, 355, 377, 398, 475, , 479
ESP10, 291, 312, 358, 377, 394, 477, , 481
ESP10, 302, 320, 366, 382, 399, 480, , 484
ESP10, 302, 335, 363, 387, 400, 482, , 486
ESP10, 303, 336, 365, 388, 401, 484, , 488
ESP10, 290, 321, 353, 377, 389, 486, , 490
ESP10, 288, 317, 360, 374, 387, 489, , 493
ESP10, 297, 326, 372, 386, 395, 491, , 495
ESP10, 298, 335, 372, 388, 396, 493, , 497
ESP10, 300, 342, 376, 389, 397, 496, , 500
ESP10, 307, 342, 379, 388, 398, 498, , 502
ESP10, 317, 348, 383, 393, 401, 500, , 504
ESP10, 314, 346, 377, 391, 399, 502, , 506
ESP10, 322, 347, 380, 392, 399, 505, , 509
ESP10, 334, 350, 380, 392, 396, 507, , 511
ESP10, 337, 358, 382, 395, 398, 509, , 513
ESP10, 344, 357, 384, 395, 401, 512, , 516
ESP10, 344, 359, 383, 391, 397, 514, , 518
ESP10, 344, 358, 383, 392, 398, 516, , 520
ESP10, 316, 343, 365, 372, 377, 518, , 522
ESP10, 321, 340, 366, 371, 377, 521, , 525
ESP10, 344, 358, 387, 395, 400, 523, , 527
ESP10, 350, 362, 390, 397, 402, 525, , 529
ESP10, 348, 367, 387, 396, 401, 528, , 532
ESP10, 351, 371, 386, 395, 400, 530, , 534
ESP10, 373, 391, 400, 409, 416, 532, , 536
ESP10, 364, 386, 400, 407, 411, 534, , 538
ESP10, 366, 389, 402, 409, 414, 537, , 541
ESP10, 371, 386, 403, 412, 417, 539, , 543
ESP10, 364, 379, 400, 408, 412, 541, , 545
ESP10, 360, 378, 399, 408, 412, 544, , 548
ESP10, 359, 378, 398, 406, 412, 546, , 550
ESP10, 365, 382, 400, 406, 409, 548, , 552
ESP10, 372, 386, 402, 408, 412, 550, , 554
ESP10, 378, 394, 404, 410, 414, 553, , 557
ESP10, 383, 395, 403, 409, 413, 555, , 559
ESP10, 385, 399, 408, 414, 418, 557, , 561
ESP10, 380, 398, 407, 412, 416, 560, , 564
ESP10, 387, 401, 408, 413, 416, 562, , 566
ESP10, 379, 397, 405, 412, 416, 564, , 568
ESP10, 383, 398, 407, 413, 416, 566, , 570
ESP10, 384, 399, 407, 412, 416, 569, , 573
ESP10, 383, 393, 405, 412, 416, 571, , 575
ESP10, 383, 396, 406, 415, 418, 573, , 577
ESP10, 384, 397, 404, 412, 415, 576, , 580
ESP10, 385, 395, 405, 414, 417, 578, , 582
ESP10, 391, 403, 411, 420, 423, 580, , 584
ESP10, 402, 412, 417, 423, 426, 583, , 587
ESP10, 404, 408, 414, 419, 420, 585, , 589
ESP10, 404, 410, 415, 422, 423, 587, , 591
ESP10, 404, 409, 414, 420, 423, 589, , 593
ESP10, 409, 413, 418, 422, 427, 592, , 596
ESP10, 405, 411, 418, 423, 426, 594, , 598
ESP10, 406, 412, 416, 423, 426, 596, , 600
ESP10, 409, 415, 420, 426, 427, 599, , 603
ESP10, 414, 420, 424, 430, 433, 601, , 605
ESP10, 415, 421, 425, 431, 435, 603, , 607
ESP10, 415, 420, 424, 430, 434, 605, , 609
ESP10, 415, 420, 424, 428, 431, 608, , 612
ESP10, 417, 422, 426, 430, 432, 610, , 614
ESP10, 414, 419, 424, 428, 430, 612, , 616
ESP10, 416, 420, 423, 426, 428, 615, , 619
ESP10, 416, 419, 424, 427, 429, 617, , 621
ESP10, 415, 423, 426, 429, 431, 619, , 623
ESP10, 418, 422, 426, 429, 432, 621, , 625
ESP10, 420, 422, 426, 429, 433, 624, , 628
ESP10, 417, 420, 425, 428, 430, 626, , 630
ESP10, 413, 418, 422, 425, 426, 628, , 632
ESP10, 410, 415, 418, 422, 423, 631, , 635
ESP10, 410, 414, 418, 421, 422, 633, , 637
ESP10, 410, 413, 418, 421, 423, 635, , 639
ESP10, 411, 416, 420, 422, 423, 637, , 641
ESP10, 412, 418, 422, 424, 425, 640, , 644
ESP10, 413, 419, 423, 424, 425, 663, , 667
ESP10, 414, 419, 423, 425, 426, 665, , 669
ESP10, 414, 420, 424, 425, 426, 667, , 671
ESP10, 409, 414, 418, 420, 421, 669, , 673
ESP10, 418, 422, 426, 427, 428, 672, , 676
ESP10, 417, 421, 425, 426, 428, 674, , 678
ESP10, 417, 421, 424, 426, 427, 676, , 680
ESP10, 417, 421, 424, 426, 427, 679, , 683
ESP10, 418, 422, 425, 427, 428, 681, , 685
ESP10, 419, 422, 426, 427, 428, 683, , 687
ESP10, 417, 420, 423, 425, 426, 685, , 689
ESP10, 418, 421, 424, 426, 427, 688, , 692
ESP10, 419, 421, 425, 427, 427, 690, , 694
ESP10, 418, 421, 424, 426, 427, 692, , 696
ESP10, 418, 421, 424, 426, 426, 695, , 699
ESP10, 418, 421, 425, 427, 427, 697, , 701
ESP10, 418, 421, 424, 426, 426, 699, , 703
ESP10, 417, 420, 424, 426, 426, 701, , 705
ESP10, 416, 419, 422, 424, 425, 704, , 708
ESP10, 416, 419, 423, 424, 425, 706, , 710
ESP10, 418, 421, 424, 426, 427, 708, , 712
ESP10, 416, 419, 423, 424, 425, 711, , 715
ESP10, 421, 424, 427, 429, 430, 713, , 717
ESP10, 420, 423, 426, 428, 429, 715, , 719
ESP10, 419, 422, 425, 427, 427, 717, , 721
ESP10, 418, 421, 424, 426, 427, 720, , 724
ESP10, 418, 422, 425, 426, 427, 722, , 726
ESP10, 417, 421, 423, 425, 426, 724, , 728
ESP10, 416, 420, 423, 425, 426, 727, , 731
ESP10, 416, 419, 422, 424, 425, 729, , 733
ESP10, 417, 420, 423, 425, 426, 731, , 735
ESP10, 418, 421, 424, 426, 427, 733, , 737
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/watersupply/HCDI1W_SQIN.ESPF10.csv
HCDI1W_SQIN.ESPF0.csv|2025-07-19
HCDI1W_SQIN.ESPF10.csv|2025-07-19
HCDI1W_SQIN.ESPFM.csv|2025-07-19
APR-SEP
SNAKE - AT HELLS CANYON DAM
(
HCDI1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-19
Issued:
2025-07-19
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3933
5196
77
9722
6725
APR-JUL
2893
4014
74
8388
5429
JAN-SEP
6680
8581
85
14804
10130
JAN-JUL
5617
7373
83
13266
8834
OCT-SEP
9502
11700
94
18484
12500
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/HCDI1W_SQIN.ESPF10.csv
HCDI1W_SQIN.ESPF0.csv|2025-07-19
HCDI1W_SQIN.ESPF10.csv|2025-07-19
HCDI1W_SQIN.ESPFM.csv|2025-07-19
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
