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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:
2025-07-08
Issued:
2025-07-08
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
5767
5823
87
5974
6725
APR-JUL
4479
4486
83
4498
5429
JAN-SEP
9259
9315
92
9466
10130
JAN-JUL
7971
7978
90
7990
8834
OCT-SEP
11313
11369
91
11521
12500
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2025-07-08
Issued:
2025-07-08
Hide Forecast
APR-SEP
5770
5826
87
5977
6725
APR-JUL
4478
4489
83
4500
5429
JAN-SEP
9262
9318
92
9469
10130
JAN-JUL
7969
7981
90
7992
8834
OCT-SEP
11316
11372
91
11524
12500
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-08
Issued:
2025-07-08
Hide Forecast
APR-SEP
5767
5826
87
5996
6725
APR-JUL
4480
4492
83
4510
5429
JAN-SEP
9259
9318
92
9488
10130
JAN-JUL
7972
7984
90
8002
8834
OCT-SEP
11313
11372
91
11542
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, 78, , 82
ESP10, 209, 312, 439, 472, 493, 80, , 84
ESP10, 204, 313, 440, 472, 493, 82, , 86
ESP10, 217, 306, 437, 472, 493, 85, , 89
ESP10, 218, 307, 439, 472, 493, 87, , 91
ESP10, 209, 309, 425, 470, 492, 89, , 93
ESP10, 214, 308, 434, 471, 492, 92, , 96
ESP10, 213, 308, 432, 472, 491, 94, , 98
ESP10, 214, 308, 437, 474, 492, 97, , 101
ESP10, 194, 301, 430, 470, 490, 99, , 103
ESP10, 214, 305, 431, 472, 493, 101, , 105
ESP10, 211, 311, 430, 474, 494, 104, , 108
ESP10, 213, 326, 430, 474, 495, 106, , 110
ESP10, 217, 327, 432, 477, 497, 108, , 112
ESP10, 219, 332, 431, 477, 497, 111, , 115
ESP10, 217, 324, 431, 474, 495, 113, , 117
ESP10, 211, 301, 426, 472, 491, 116, , 120
ESP10, 218, 331, 429, 475, 494, 118, , 122
ESP10, 216, 313, 430, 473, 493, 120, , 124
ESP10, 218, 326, 430, 473, 492, 123, , 127
ESP10, 231, 329, 427, 474, 492, 125, , 129
ESP10, 230, 329, 429, 476, 492, 127, , 131
ESP10, 230, 332, 433, 476, 492, 130, , 134
ESP10, 227, 329, 431, 475, 492, 132, , 136
ESP10, 230, 329, 432, 475, 494, 135, , 139
ESP10, 228, 328, 430, 473, 492, 137, , 141
ESP10, 231, 331, 432, 474, 491, 139, , 143
ESP10, 228, 328, 432, 469, 488, 142, , 146
ESP10, 228, 322, 422, 467, 487, 144, , 148
ESP10, 234, 323, 423, 468, 487, 146, , 150
ESP10, 224, 313, 418, 468, 486, 149, , 153
ESP10, 205, 296, 414, 463, 483, 151, , 155
ESP10, 211, 296, 416, 464, 483, 154, , 158
ESP10, 230, 311, 420, 464, 488, 156, , 160
ESP10, 228, 328, 425, 463, 487, 158, , 162
ESP10, 235, 331, 431, 464, 490, 161, , 165
ESP10, 240, 340, 431, 472, 491, 163, , 167
ESP10, 229, 344, 431, 472, 493, 165, , 169
ESP10, 262, 350, 437, 473, 498, 168, , 172
ESP10, 254, 352, 435, 471, 496, 170, , 174
ESP10, 258, 352, 434, 471, 496, 173, , 177
ESP10, 249, 345, 428, 466, 490, 175, , 179
ESP10, 241, 332, 424, 463, 487, 177, , 181
ESP10, 227, 330, 409, 455, 481, 180, , 184
ESP10, 204, 299, 397, 449, 474, 182, , 186
ESP10, 222, 327, 407, 455, 479, 184, , 188
ESP10, 212, 317, 403, 445, 476, 187, , 191
ESP10, 224, 329, 405, 454, 478, 189, , 193
ESP10, 244, 355, 412, 461, 485, 192, , 196
ESP10, 265, 346, 412, 457, 485, 194, , 198
ESP10, 266, 356, 413, 458, 488, 196, , 200
ESP10, 265, 357, 412, 460, 488, 199, , 203
ESP10, 268, 360, 418, 458, 489, 201, , 205
ESP10, 269, 357, 416, 467, 489, 203, , 207
ESP10, 271, 365, 416, 466, 489, 206, , 210
ESP10, 300, 366, 417, 470, 492, 208, , 212
ESP10, 287, 368, 416, 473, 492, 211, , 215
ESP10, 294, 368, 416, 473, 492, 213, , 217
ESP10, 286, 368, 422, 472, 491, 215, , 219
ESP10, 301, 369, 427, 472, 490, 218, , 222
ESP10, 273, 363, 421, 471, 486, 220, , 224
ESP10, 272, 359, 420, 472, 485, 222, , 226
ESP10, 296, 364, 420, 473, 485, 225, , 229
ESP10, 315, 365, 416, 470, 483, 227, , 231
ESP10, 303, 376, 427, 477, 489, 230, , 234
ESP10, 321, 374, 426, 476, 488, 232, , 236
ESP10, 344, 368, 422, 471, 486, 234, , 238
ESP10, 352, 372, 425, 473, 491, 237, , 241
ESP10, 325, 376, 425, 473, 491, 239, , 243
ESP10, 325, 370, 421, 468, 486, 241, , 245
ESP10, 343, 371, 421, 467, 487, 244, , 248
ESP10, 286, 339, 412, 451, 479, 246, , 250
ESP10, 280, 352, 409, 449, 482, 249, , 253
ESP10, 272, 319, 389, 444, 478, 251, , 255
ESP10, 267, 335, 391, 443, 476, 253, , 257
ESP10, 265, 330, 369, 436, 472, 256, , 260
ESP10, 270, 322, 382, 437, 472, 258, , 262
ESP10, 273, 333, 380, 437, 473, 260, , 264
ESP10, 279, 342, 389, 440, 474, 263, , 267
ESP10, 250, 330, 372, 436, 465, 265, , 269
ESP10, 256, 336, 385, 439, 467, 268, , 272
ESP10, 269, 327, 386, 440, 462, 270, , 274
ESP10, 251, 326, 382, 437, 465, 272, , 276
ESP10, 259, 333, 388, 443, 475, 275, , 279
ESP10, 263, 339, 399, 444, 478, 277, , 281
ESP10, 255, 333, 387, 445, 476, 279, , 283
ESP10, 295, 335, 397, 442, 476, 282, , 286
ESP10, 307, 337, 402, 444, 471, 284, , 288
ESP10, 272, 338, 401, 448, 472, 287, , 291
ESP10, 293, 343, 391, 447, 470, 289, , 293
ESP10, 313, 336, 398, 445, 469, 291, , 295
ESP10, 293, 341, 393, 441, 465, 296, , 300
ESP10, 296, 346, 398, 442, 470, 298, , 302
ESP10, 296, 349, 397, 441, 469, 301, , 305
ESP10, 295, 348, 397, 440, 469, 303, , 307
ESP10, 294, 350, 400, 440, 469, 306, , 310
ESP10, 290, 350, 397, 443, 469, 308, , 312
ESP10, 303, 351, 399, 443, 468, 310, , 314
ESP10, 336, 361, 406, 444, 469, 313, , 317
ESP10, 340, 366, 406, 444, 469, 315, , 319
ESP10, 337, 363, 405, 443, 467, 317, , 321
ESP10, 338, 366, 408, 443, 467, 320, , 324
ESP10, 337, 368, 410, 444, 467, 322, , 326
ESP10, 340, 369, 409, 443, 466, 325, , 329
ESP10, 343, 368, 409, 440, 466, 327, , 331
ESP10, 345, 372, 412, 444, 468, 329, , 333
ESP10, 348, 369, 410, 441, 469, 332, , 336
ESP10, 348, 378, 411, 447, 470, 334, , 338
ESP10, 346, 375, 410, 446, 469, 336, , 340
ESP10, 336, 366, 407, 444, 464, 339, , 343
ESP10, 335, 372, 406, 443, 461, 341, , 345
ESP10, 338, 365, 406, 444, 461, 344, , 348
ESP10, 337, 362, 407, 443, 457, 346, , 350
ESP10, 299, 348, 394, 432, 446, 348, , 352
ESP10, 279, 343, 385, 427, 445, 351, , 355
ESP10, 265, 331, 368, 416, 435, 353, , 357
ESP10, 265, 326, 364, 419, 434, 355, , 359
ESP10, 281, 344, 382, 428, 443, 358, , 362
ESP10, 282, 329, 361, 418, 441, 360, , 364
ESP10, 267, 321, 355, 406, 432, 363, , 367
ESP10, 274, 325, 368, 412, 431, 365, , 369
ESP10, 273, 327, 362, 411, 426, 367, , 371
ESP10, 256, 316, 351, 394, 420, 370, , 374
ESP10, 259, 311, 346, 388, 413, 372, , 376
ESP10, 252, 298, 342, 386, 411, 374, , 378
ESP10, 275, 314, 360, 402, 421, 377, , 381
ESP10, 276, 316, 358, 400, 415, 379, , 383
ESP10, 289, 327, 370, 407, 429, 382, , 386
ESP10, 305, 341, 378, 414, 436, 384, , 388
ESP10, 277, 325, 368, 407, 428, 386, , 390
ESP10, 291, 331, 371, 409, 426, 389, , 393
ESP10, 274, 326, 368, 406, 424, 391, , 395
ESP10, 291, 330, 371, 409, 432, 393, , 397
ESP10, 288, 327, 367, 401, 432, 396, , 400
ESP10, 265, 320, 369, 395, 429, 398, , 402
ESP10, 262, 321, 365, 404, 426, 401, , 405
ESP10, 261, 321, 365, 404, 424, 403, , 407
ESP10, 282, 329, 376, 403, 428, 405, , 409
ESP10, 247, 323, 368, 403, 426, 408, , 412
ESP10, 255, 327, 369, 395, 420, 410, , 414
ESP10, 255, 322, 369, 398, 417, 413, , 417
ESP10, 285, 329, 375, 401, 420, 415, , 419
ESP10, 286, 334, 379, 401, 424, 417, , 421
ESP10, 266, 334, 380, 402, 424, 420, , 424
ESP10, 263, 331, 383, 403, 427, 422, , 426
ESP10, 290, 331, 383, 403, 418, 424, , 428
ESP10, 288, 330, 379, 405, 425, 427, , 431
ESP10, 276, 317, 363, 393, 409, 429, , 433
ESP10, 250, 286, 355, 392, 407, 432, , 436
ESP10, 252, 287, 364, 393, 405, 434, , 438
ESP10, 266, 299, 360, 399, 410, 436, , 440
ESP10, 255, 285, 357, 399, 405, 439, , 443
ESP10, 272, 299, 368, 400, 409, 441, , 445
ESP10, 237, 273, 349, 379, 392, 443, , 447
ESP10, 252, 292, 356, 385, 398, 446, , 450
ESP10, 258, 296, 360, 384, 401, 448, , 452
ESP10, 254, 309, 353, 376, 399, 451, , 455
ESP10, 256, 303, 348, 375, 394, 453, , 457
ESP10, 240, 280, 339, 369, 388, 455, , 459
ESP10, 251, 287, 346, 371, 385, 458, , 462
ESP10, 230, 292, 331, 371, 382, 460, , 464
ESP10, 255, 296, 344, 373, 386, 462, , 466
ESP10, 274, 301, 351, 382, 393, 465, , 469
ESP10, 270, 324, 359, 384, 394, 467, , 471
ESP10, 285, 308, 361, 386, 398, 470, , 474
ESP10, 284, 332, 364, 388, 397, 472, , 476
ESP10, 293, 332, 367, 387, 400, 474, , 478
ESP10, 295, 325, 368, 387, 398, 477, , 481
ESP10, 298, 325, 352, 381, 399, 479, , 483
ESP10, 266, 301, 344, 373, 391, 481, , 485
ESP10, 245, 275, 328, 366, 382, 484, , 488
ESP10, 260, 283, 328, 366, 385, 486, , 490
ESP10, 272, 300, 353, 374, 394, 489, , 493
ESP10, 279, 298, 355, 377, 398, 491, , 495
ESP10, 291, 312, 358, 377, 394, 493, , 497
ESP10, 302, 320, 366, 382, 399, 496, , 500
ESP10, 302, 335, 363, 387, 400, 498, , 502
ESP10, 303, 336, 365, 388, 401, 500, , 504
ESP10, 290, 321, 353, 377, 389, 503, , 507
ESP10, 288, 317, 360, 374, 387, 505, , 509
ESP10, 297, 326, 372, 386, 395, 508, , 512
ESP10, 298, 335, 372, 388, 396, 510, , 514
ESP10, 300, 342, 376, 389, 397, 512, , 516
ESP10, 307, 342, 379, 388, 398, 515, , 519
ESP10, 317, 348, 383, 393, 401, 517, , 521
ESP10, 314, 346, 377, 391, 399, 519, , 523
ESP10, 322, 347, 380, 392, 399, 522, , 526
ESP10, 334, 350, 380, 392, 396, 524, , 528
ESP10, 337, 358, 382, 395, 398, 527, , 531
ESP10, 344, 357, 384, 395, 401, 529, , 533
ESP10, 344, 359, 383, 391, 397, 531, , 535
ESP10, 344, 358, 383, 392, 398, 534, , 538
ESP10, 316, 343, 365, 372, 377, 536, , 540
ESP10, 321, 340, 366, 371, 377, 538, , 542
ESP10, 344, 358, 387, 395, 400, 541, , 545
ESP10, 350, 362, 390, 397, 402, 543, , 547
ESP10, 348, 367, 387, 396, 401, 546, , 550
ESP10, 351, 371, 386, 395, 400, 548, , 552
ESP10, 373, 391, 400, 409, 416, 550, , 554
ESP10, 364, 386, 400, 407, 411, 553, , 557
ESP10, 366, 389, 402, 409, 414, 555, , 559
ESP10, 371, 386, 403, 412, 417, 557, , 561
ESP10, 364, 379, 400, 408, 412, 560, , 564
ESP10, 360, 378, 399, 408, 412, 562, , 566
ESP10, 359, 378, 398, 406, 412, 565, , 569
ESP10, 365, 382, 400, 406, 409, 567, , 571
ESP10, 372, 386, 402, 408, 412, 569, , 573
ESP10, 378, 394, 404, 410, 414, 572, , 576
ESP10, 383, 395, 403, 409, 413, 574, , 578
ESP10, 385, 399, 408, 414, 418, 576, , 580
ESP10, 380, 398, 407, 412, 416, 579, , 583
ESP10, 387, 401, 408, 413, 416, 581, , 585
ESP10, 379, 397, 405, 412, 416, 584, , 588
ESP10, 383, 398, 407, 413, 416, 586, , 590
ESP10, 384, 399, 407, 412, 416, 588, , 592
ESP10, 383, 393, 405, 412, 416, 591, , 595
ESP10, 383, 396, 406, 415, 418, 593, , 597
ESP10, 384, 397, 404, 412, 415, 595, , 599
ESP10, 385, 395, 405, 414, 417, 598, , 602
ESP10, 391, 403, 411, 420, 423, 600, , 604
ESP10, 402, 412, 417, 423, 426, 603, , 607
ESP10, 404, 408, 414, 419, 420, 605, , 609
ESP10, 404, 410, 415, 422, 423, 607, , 611
ESP10, 404, 409, 414, 420, 423, 610, , 614
ESP10, 409, 413, 418, 422, 427, 612, , 616
ESP10, 405, 411, 418, 423, 426, 614, , 618
ESP10, 406, 412, 416, 423, 426, 617, , 621
ESP10, 409, 415, 420, 426, 427, 619, , 623
ESP10, 414, 420, 424, 430, 433, 622, , 626
ESP10, 415, 421, 425, 431, 435, 624, , 628
ESP10, 415, 420, 424, 430, 434, 626, , 630
ESP10, 415, 420, 424, 428, 431, 629, , 633
ESP10, 417, 422, 426, 430, 432, 631, , 635
ESP10, 414, 419, 424, 428, 430, 633, , 637
ESP10, 416, 420, 423, 426, 428, 636, , 640
ESP10, 416, 419, 424, 427, 429, 638, , 642
ESP10, 415, 423, 426, 429, 431, 641, , 645
ESP10, 418, 422, 426, 429, 432, 643, , 647
ESP10, 420, 422, 426, 429, 433, 645, , 649
ESP10, 417, 420, 425, 428, 430, 648, , 652
ESP10, 413, 418, 422, 425, 426, 650, , 654
ESP10, 410, 415, 418, 422, 423, 652, , 656
ESP10, 410, 414, 418, 421, 422, 655, , 659
ESP10, 410, 413, 418, 421, 423, 657, , 661
ESP10, 411, 416, 420, 422, 423, 660, , 664
ESP10, 412, 418, 422, 424, 425, 662, , 666
ESP10, 413, 419, 423, 424, 425, 686, , 690
ESP10, 414, 419, 423, 425, 426, 688, , 692
ESP10, 414, 420, 424, 425, 426, 690, , 694
ESP10, 409, 414, 418, 420, 421, 693, , 697
ESP10, 418, 422, 426, 427, 428, 695, , 699
ESP10, 417, 421, 425, 426, 428, 698, , 702
ESP10, 417, 421, 424, 426, 427, 700, , 704
ESP10, 417, 421, 424, 426, 427, 702, , 706
ESP10, 418, 422, 425, 427, 428, 705, , 709
ESP10, 419, 422, 426, 427, 428, 707, , 711
ESP10, 417, 420, 423, 425, 426, 709, , 713
ESP10, 418, 421, 424, 426, 427, 712, , 716
ESP10, 419, 421, 425, 427, 427, 714, , 718
ESP10, 418, 421, 424, 426, 427, 717, , 721
ESP10, 418, 421, 424, 426, 426, 719, , 723
ESP10, 418, 421, 425, 427, 427, 721, , 725
ESP10, 418, 421, 424, 426, 426, 724, , 728
ESP10, 417, 420, 424, 426, 426, 726, , 730
ESP10, 416, 419, 422, 424, 425, 728, , 732
ESP10, 416, 419, 423, 424, 425, 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
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/HCDI1W_SQIN.ESPF10.csv
HCDI1W_SQIN.ESPF0.csv|2025-07-08
HCDI1W_SQIN.ESPF10.csv|2025-07-08
HCDI1W_SQIN.ESPFM.csv|2025-07-08
APR-SEP
SNAKE - AT HELLS CANYON DAM
(
HCDI1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-08
Issued:
2025-07-08
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3967
5180
77
9851
6725
APR-JUL
2910
3998
74
8480
5429
JAN-SEP
6771
8576
85
14891
10130
JAN-JUL
5702
7365
83
13460
8834
OCT-SEP
9559
11710
94
18765
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|2025-07-08
HCDI1W_SQIN.ESPF10.csv|2025-07-08
HCDI1W_SQIN.ESPFM.csv|2025-07-08
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast