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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:
2025-07-09
Issued:
2025-07-09
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
5795
5856
87
6008
6725
APR-JUL
4498
4503
83
4514
5429
JAN-SEP
9287
9348
92
9500
10130
JAN-JUL
7989
7995
91
8006
8834
OCT-SEP
11341
11403
91
11554
12500
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2025-07-09
Issued:
2025-07-09
Hide Forecast
APR-SEP
5798
5859
87
6011
6725
APR-JUL
4497
4504
83
4518
5429
JAN-SEP
9290
9351
92
9503
10130
JAN-JUL
7989
7996
91
8010
8834
OCT-SEP
11345
11405
91
11557
12500
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-09
Issued:
2025-07-09
Hide Forecast
APR-SEP
5800
5861
87
6028
6725
APR-JUL
4500
4511
83
4529
5429
JAN-SEP
9292
9352
92
9520
10130
JAN-JUL
7991
8003
91
8021
8834
OCT-SEP
11347
11407
91
11575
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, 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, 96, , 100
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, 115, , 119
ESP10, 218, 331, 429, 475, 494, 118, , 122
ESP10, 216, 313, 430, 473, 493, 120, , 124
ESP10, 218, 326, 430, 473, 492, 122, , 126
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, 134, , 138
ESP10, 228, 328, 430, 473, 492, 137, , 141
ESP10, 231, 331, 432, 474, 491, 139, , 143
ESP10, 228, 328, 432, 469, 488, 141, , 145
ESP10, 228, 322, 422, 467, 487, 144, , 148
ESP10, 234, 323, 423, 468, 487, 146, , 150
ESP10, 224, 313, 418, 468, 486, 148, , 152
ESP10, 205, 296, 414, 463, 483, 151, , 155
ESP10, 211, 296, 416, 464, 483, 153, , 157
ESP10, 230, 311, 420, 464, 488, 156, , 160
ESP10, 228, 328, 425, 463, 487, 158, , 162
ESP10, 235, 331, 431, 464, 490, 160, , 164
ESP10, 240, 340, 431, 472, 491, 163, , 167
ESP10, 229, 344, 431, 472, 493, 165, , 169
ESP10, 262, 350, 437, 473, 498, 167, , 171
ESP10, 254, 352, 435, 471, 496, 170, , 174
ESP10, 258, 352, 434, 471, 496, 172, , 176
ESP10, 249, 345, 428, 466, 490, 175, , 179
ESP10, 241, 332, 424, 463, 487, 177, , 181
ESP10, 227, 330, 409, 455, 481, 179, , 183
ESP10, 204, 299, 397, 449, 474, 182, , 186
ESP10, 222, 327, 407, 455, 479, 184, , 188
ESP10, 212, 317, 403, 445, 476, 186, , 190
ESP10, 224, 329, 405, 454, 478, 189, , 193
ESP10, 244, 355, 412, 461, 485, 191, , 195
ESP10, 265, 346, 412, 457, 485, 193, , 197
ESP10, 266, 356, 413, 458, 488, 196, , 200
ESP10, 265, 357, 412, 460, 488, 198, , 202
ESP10, 268, 360, 418, 458, 489, 201, , 205
ESP10, 269, 357, 416, 467, 489, 203, , 207
ESP10, 271, 365, 416, 466, 489, 205, , 209
ESP10, 300, 366, 417, 470, 492, 208, , 212
ESP10, 287, 368, 416, 473, 492, 210, , 214
ESP10, 294, 368, 416, 473, 492, 212, , 216
ESP10, 286, 368, 422, 472, 491, 215, , 219
ESP10, 301, 369, 427, 472, 490, 217, , 221
ESP10, 273, 363, 421, 471, 486, 220, , 224
ESP10, 272, 359, 420, 472, 485, 222, , 226
ESP10, 296, 364, 420, 473, 485, 224, , 228
ESP10, 315, 365, 416, 470, 483, 227, , 231
ESP10, 303, 376, 427, 477, 489, 229, , 233
ESP10, 321, 374, 426, 476, 488, 231, , 235
ESP10, 344, 368, 422, 471, 486, 234, , 238
ESP10, 352, 372, 425, 473, 491, 236, , 240
ESP10, 325, 376, 425, 473, 491, 238, , 242
ESP10, 325, 370, 421, 468, 486, 241, , 245
ESP10, 343, 371, 421, 467, 487, 243, , 247
ESP10, 286, 339, 412, 451, 479, 246, , 250
ESP10, 280, 352, 409, 449, 482, 248, , 252
ESP10, 272, 319, 389, 444, 478, 250, , 254
ESP10, 267, 335, 391, 443, 476, 253, , 257
ESP10, 265, 330, 369, 436, 472, 255, , 259
ESP10, 270, 322, 382, 437, 472, 257, , 261
ESP10, 273, 333, 380, 437, 473, 260, , 264
ESP10, 279, 342, 389, 440, 474, 262, , 266
ESP10, 250, 330, 372, 436, 465, 265, , 269
ESP10, 256, 336, 385, 439, 467, 267, , 271
ESP10, 269, 327, 386, 440, 462, 269, , 273
ESP10, 251, 326, 382, 437, 465, 272, , 276
ESP10, 259, 333, 388, 443, 475, 274, , 278
ESP10, 263, 339, 399, 444, 478, 276, , 280
ESP10, 255, 333, 387, 445, 476, 279, , 283
ESP10, 295, 335, 397, 442, 476, 281, , 285
ESP10, 307, 337, 402, 444, 471, 283, , 287
ESP10, 272, 338, 401, 448, 472, 286, , 290
ESP10, 293, 343, 391, 447, 470, 288, , 292
ESP10, 313, 336, 398, 445, 469, 291, , 295
ESP10, 293, 341, 393, 441, 465, 295, , 299
ESP10, 296, 346, 398, 442, 470, 298, , 302
ESP10, 296, 349, 397, 441, 469, 300, , 304
ESP10, 295, 348, 397, 440, 469, 302, , 306
ESP10, 294, 350, 400, 440, 469, 305, , 309
ESP10, 290, 350, 397, 443, 469, 307, , 311
ESP10, 303, 351, 399, 443, 468, 309, , 313
ESP10, 336, 361, 406, 444, 469, 312, , 316
ESP10, 340, 366, 406, 444, 469, 314, , 318
ESP10, 337, 363, 405, 443, 467, 317, , 321
ESP10, 338, 366, 408, 443, 467, 319, , 323
ESP10, 337, 368, 410, 444, 467, 321, , 325
ESP10, 340, 369, 409, 443, 466, 324, , 328
ESP10, 343, 368, 409, 440, 466, 326, , 330
ESP10, 345, 372, 412, 444, 468, 328, , 332
ESP10, 348, 369, 410, 441, 469, 331, , 335
ESP10, 348, 378, 411, 447, 470, 333, , 337
ESP10, 346, 375, 410, 446, 469, 336, , 340
ESP10, 336, 366, 407, 444, 464, 338, , 342
ESP10, 335, 372, 406, 443, 461, 340, , 344
ESP10, 338, 365, 406, 444, 461, 343, , 347
ESP10, 337, 362, 407, 443, 457, 345, , 349
ESP10, 299, 348, 394, 432, 446, 347, , 351
ESP10, 279, 343, 385, 427, 445, 350, , 354
ESP10, 265, 331, 368, 416, 435, 352, , 356
ESP10, 265, 326, 364, 419, 434, 354, , 358
ESP10, 281, 344, 382, 428, 443, 357, , 361
ESP10, 282, 329, 361, 418, 441, 359, , 363
ESP10, 267, 321, 355, 406, 432, 362, , 366
ESP10, 274, 325, 368, 412, 431, 364, , 368
ESP10, 273, 327, 362, 411, 426, 366, , 370
ESP10, 256, 316, 351, 394, 420, 369, , 373
ESP10, 259, 311, 346, 388, 413, 371, , 375
ESP10, 252, 298, 342, 386, 411, 373, , 377
ESP10, 275, 314, 360, 402, 421, 376, , 380
ESP10, 276, 316, 358, 400, 415, 378, , 382
ESP10, 289, 327, 370, 407, 429, 381, , 385
ESP10, 305, 341, 378, 414, 436, 383, , 387
ESP10, 277, 325, 368, 407, 428, 385, , 389
ESP10, 291, 331, 371, 409, 426, 388, , 392
ESP10, 274, 326, 368, 406, 424, 390, , 394
ESP10, 291, 330, 371, 409, 432, 392, , 396
ESP10, 288, 327, 367, 401, 432, 395, , 399
ESP10, 265, 320, 369, 395, 429, 397, , 401
ESP10, 262, 321, 365, 404, 426, 399, , 403
ESP10, 261, 321, 365, 404, 424, 402, , 406
ESP10, 282, 329, 376, 403, 428, 404, , 408
ESP10, 247, 323, 368, 403, 426, 407, , 411
ESP10, 255, 327, 369, 395, 420, 409, , 413
ESP10, 255, 322, 369, 398, 417, 411, , 415
ESP10, 285, 329, 375, 401, 420, 414, , 418
ESP10, 286, 334, 379, 401, 424, 416, , 420
ESP10, 266, 334, 380, 402, 424, 418, , 422
ESP10, 263, 331, 383, 403, 427, 421, , 425
ESP10, 290, 331, 383, 403, 418, 423, , 427
ESP10, 288, 330, 379, 405, 425, 425, , 429
ESP10, 276, 317, 363, 393, 409, 428, , 432
ESP10, 250, 286, 355, 392, 407, 430, , 434
ESP10, 252, 287, 364, 393, 405, 433, , 437
ESP10, 266, 299, 360, 399, 410, 435, , 439
ESP10, 255, 285, 357, 399, 405, 437, , 441
ESP10, 272, 299, 368, 400, 409, 440, , 444
ESP10, 237, 273, 349, 379, 392, 442, , 446
ESP10, 252, 292, 356, 385, 398, 444, , 448
ESP10, 258, 296, 360, 384, 401, 447, , 451
ESP10, 254, 309, 353, 376, 399, 449, , 453
ESP10, 256, 303, 348, 375, 394, 452, , 456
ESP10, 240, 280, 339, 369, 388, 454, , 458
ESP10, 251, 287, 346, 371, 385, 456, , 460
ESP10, 230, 292, 331, 371, 382, 459, , 463
ESP10, 255, 296, 344, 373, 386, 461, , 465
ESP10, 274, 301, 351, 382, 393, 463, , 467
ESP10, 270, 324, 359, 384, 394, 466, , 470
ESP10, 285, 308, 361, 386, 398, 468, , 472
ESP10, 284, 332, 364, 388, 397, 470, , 474
ESP10, 293, 332, 367, 387, 400, 473, , 477
ESP10, 295, 325, 368, 387, 398, 475, , 479
ESP10, 298, 325, 352, 381, 399, 478, , 482
ESP10, 266, 301, 344, 373, 391, 480, , 484
ESP10, 245, 275, 328, 366, 382, 482, , 486
ESP10, 260, 283, 328, 366, 385, 485, , 489
ESP10, 272, 300, 353, 374, 394, 487, , 491
ESP10, 279, 298, 355, 377, 398, 489, , 493
ESP10, 291, 312, 358, 377, 394, 492, , 496
ESP10, 302, 320, 366, 382, 399, 494, , 498
ESP10, 302, 335, 363, 387, 400, 497, , 501
ESP10, 303, 336, 365, 388, 401, 499, , 503
ESP10, 290, 321, 353, 377, 389, 501, , 505
ESP10, 288, 317, 360, 374, 387, 504, , 508
ESP10, 297, 326, 372, 386, 395, 506, , 510
ESP10, 298, 335, 372, 388, 396, 508, , 512
ESP10, 300, 342, 376, 389, 397, 511, , 515
ESP10, 307, 342, 379, 388, 398, 513, , 517
ESP10, 317, 348, 383, 393, 401, 515, , 519
ESP10, 314, 346, 377, 391, 399, 518, , 522
ESP10, 322, 347, 380, 392, 399, 520, , 524
ESP10, 334, 350, 380, 392, 396, 523, , 527
ESP10, 337, 358, 382, 395, 398, 525, , 529
ESP10, 344, 357, 384, 395, 401, 527, , 531
ESP10, 344, 359, 383, 391, 397, 530, , 534
ESP10, 344, 358, 383, 392, 398, 532, , 536
ESP10, 316, 343, 365, 372, 377, 534, , 538
ESP10, 321, 340, 366, 371, 377, 537, , 541
ESP10, 344, 358, 387, 395, 400, 539, , 543
ESP10, 350, 362, 390, 397, 402, 541, , 545
ESP10, 348, 367, 387, 396, 401, 544, , 548
ESP10, 351, 371, 386, 395, 400, 546, , 550
ESP10, 373, 391, 400, 409, 416, 549, , 553
ESP10, 364, 386, 400, 407, 411, 551, , 555
ESP10, 366, 389, 402, 409, 414, 553, , 557
ESP10, 371, 386, 403, 412, 417, 556, , 560
ESP10, 364, 379, 400, 408, 412, 558, , 562
ESP10, 360, 378, 399, 408, 412, 560, , 564
ESP10, 359, 378, 398, 406, 412, 563, , 567
ESP10, 365, 382, 400, 406, 409, 565, , 569
ESP10, 372, 386, 402, 408, 412, 568, , 572
ESP10, 378, 394, 404, 410, 414, 570, , 574
ESP10, 383, 395, 403, 409, 413, 572, , 576
ESP10, 385, 399, 408, 414, 418, 575, , 579
ESP10, 380, 398, 407, 412, 416, 577, , 581
ESP10, 387, 401, 408, 413, 416, 579, , 583
ESP10, 379, 397, 405, 412, 416, 582, , 586
ESP10, 383, 398, 407, 413, 416, 584, , 588
ESP10, 384, 399, 407, 412, 416, 586, , 590
ESP10, 383, 393, 405, 412, 416, 589, , 593
ESP10, 383, 396, 406, 415, 418, 591, , 595
ESP10, 384, 397, 404, 412, 415, 594, , 598
ESP10, 385, 395, 405, 414, 417, 596, , 600
ESP10, 391, 403, 411, 420, 423, 598, , 602
ESP10, 402, 412, 417, 423, 426, 601, , 605
ESP10, 404, 408, 414, 419, 420, 603, , 607
ESP10, 404, 410, 415, 422, 423, 605, , 609
ESP10, 404, 409, 414, 420, 423, 608, , 612
ESP10, 409, 413, 418, 422, 427, 610, , 614
ESP10, 405, 411, 418, 423, 426, 613, , 617
ESP10, 406, 412, 416, 423, 426, 615, , 619
ESP10, 409, 415, 420, 426, 427, 617, , 621
ESP10, 414, 420, 424, 430, 433, 620, , 624
ESP10, 415, 421, 425, 431, 435, 622, , 626
ESP10, 415, 420, 424, 430, 434, 624, , 628
ESP10, 415, 420, 424, 428, 431, 627, , 631
ESP10, 417, 422, 426, 430, 432, 629, , 633
ESP10, 414, 419, 424, 428, 430, 631, , 635
ESP10, 416, 420, 423, 426, 428, 634, , 638
ESP10, 416, 419, 424, 427, 429, 636, , 640
ESP10, 415, 423, 426, 429, 431, 639, , 643
ESP10, 418, 422, 426, 429, 432, 641, , 645
ESP10, 420, 422, 426, 429, 433, 643, , 647
ESP10, 417, 420, 425, 428, 430, 646, , 650
ESP10, 413, 418, 422, 425, 426, 648, , 652
ESP10, 410, 415, 418, 422, 423, 650, , 654
ESP10, 410, 414, 418, 421, 422, 653, , 657
ESP10, 410, 413, 418, 421, 423, 655, , 659
ESP10, 411, 416, 420, 422, 423, 658, , 662
ESP10, 412, 418, 422, 424, 425, 660, , 664
ESP10, 413, 419, 423, 424, 425, 684, , 688
ESP10, 414, 419, 423, 425, 426, 686, , 690
ESP10, 414, 420, 424, 425, 426, 688, , 692
ESP10, 409, 414, 418, 420, 421, 691, , 695
ESP10, 418, 422, 426, 427, 428, 693, , 697
ESP10, 417, 421, 425, 426, 428, 695, , 699
ESP10, 417, 421, 424, 426, 427, 698, , 702
ESP10, 417, 421, 424, 426, 427, 700, , 704
ESP10, 418, 422, 425, 427, 428, 702, , 706
ESP10, 419, 422, 426, 427, 428, 705, , 709
ESP10, 417, 420, 423, 425, 426, 707, , 711
ESP10, 418, 421, 424, 426, 427, 710, , 714
ESP10, 419, 421, 425, 427, 427, 712, , 716
ESP10, 418, 421, 424, 426, 427, 714, , 718
ESP10, 418, 421, 424, 426, 426, 717, , 721
ESP10, 418, 421, 425, 427, 427, 719, , 723
ESP10, 418, 421, 424, 426, 426, 721, , 725
ESP10, 417, 420, 424, 426, 426, 724, , 728
ESP10, 416, 419, 422, 424, 425, 726, , 730
ESP10, 416, 419, 423, 424, 425, 729, , 733
ESP10, 418, 421, 424, 426, 427, 731, , 735
ESP10, 416, 419, 423, 424, 425, 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|2025-07-09
HCDI1W_SQIN.ESPF10.csv|2025-07-09
HCDI1W_SQIN.ESPFM.csv|2025-07-09
APR-SEP
SNAKE - AT HELLS CANYON DAM
(
HCDI1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-07-09
Issued:
2025-07-09
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
3946
5181
77
9851
6725
APR-JUL
2910
3998
74
8481
5429
JAN-SEP
6771
8577
85
14892
10130
JAN-JUL
5702
7366
83
13461
8834
OCT-SEP
9558
11710
94
18486
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|2025-07-09
HCDI1W_SQIN.ESPF10.csv|2025-07-09
HCDI1W_SQIN.ESPFM.csv|2025-07-09
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
