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Archive:
Water Year
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SNAKE - LOWER GRANITE DAM
(
LGDW1
)
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
19337
19421
81
19612
23929
APR-JUL
17247
17250
80
17258
21589
APR-AUG
18263
18309
80
18383
22827
JAN-SEP
26720
26804
85
26995
31446
JAN-JUL
24630
24633
85
24641
29106
OCT-SEP
30268
30351
84
30543
35973
Experimental
HEFS with 15 days EQPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
APR-SEP
19344
19419
81
19608
23929
APR-JUL
17247
17251
80
17259
21589
APR-AUG
18261
18308
80
18377
22827
JAN-SEP
26727
26802
85
26990
31446
JAN-JUL
24630
24634
85
24642
29106
OCT-SEP
30275
30350
84
30538
35973
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
APR-SEP
19347
19431
81
19636
23929
APR-JUL
17246
17253
80
17270
21589
APR-AUG
18267
18310
80
18412
22827
JAN-SEP
26730
26814
85
27019
31446
JAN-JUL
24629
24636
85
24653
29106
OCT-SEP
30278
30362
84
30566
35973
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 247, 320, 372, 419, 484, 70, , 74
ESP10, 249, 325, 386, 430, 485, 73, , 77
ESP10, 252, 327, 389, 434, 489, 75, , 79
ESP10, 252, 330, 393, 430, 490, 77, , 81
ESP10, 251, 327, 392, 433, 490, 80, , 84
ESP10, 252, 327, 392, 435, 490, 82, , 86
ESP10, 258, 331, 396, 441, 492, 84, , 88
ESP10, 258, 335, 395, 442, 492, 87, , 91
ESP10, 253, 333, 384, 438, 489, 89, , 93
ESP10, 254, 333, 383, 437, 489, 91, , 95
ESP10, 255, 333, 384, 437, 490, 94, , 98
ESP10, 254, 332, 393, 436, 489, 96, , 100
ESP10, 249, 325, 389, 433, 488, 98, , 102
ESP10, 253, 330, 399, 438, 492, 101, , 105
ESP10, 254, 329, 398, 439, 491, 103, , 107
ESP10, 257, 327, 397, 440, 491, 105, , 109
ESP10, 256, 329, 393, 437, 490, 108, , 112
ESP10, 250, 325, 390, 432, 487, 110, , 114
ESP10, 249, 323, 388, 437, 486, 113, , 117
ESP10, 240, 310, 379, 427, 479, 115, , 119
ESP10, 243, 314, 382, 432, 480, 117, , 121
ESP10, 244, 315, 382, 433, 484, 120, , 124
ESP10, 245, 318, 386, 434, 482, 122, , 126
ESP10, 249, 329, 388, 438, 484, 124, , 128
ESP10, 250, 331, 387, 438, 484, 127, , 131
ESP10, 250, 330, 385, 436, 485, 129, , 133
ESP10, 252, 327, 379, 434, 483, 131, , 135
ESP10, 251, 328, 381, 434, 484, 134, , 138
ESP10, 253, 324, 380, 434, 481, 136, , 140
ESP10, 257, 325, 386, 435, 481, 138, , 142
ESP10, 252, 314, 376, 426, 474, 141, , 145
ESP10, 262, 313, 371, 421, 470, 143, , 147
ESP10, 260, 319, 373, 424, 475, 145, , 149
ESP10, 252, 310, 365, 418, 470, 148, , 152
ESP10, 249, 305, 358, 412, 465, 150, , 154
ESP10, 250, 308, 354, 410, 465, 152, , 156
ESP10, 251, 320, 365, 414, 471, 155, , 159
ESP10, 243, 315, 359, 412, 465, 157, , 161
ESP10, 248, 322, 364, 418, 470, 159, , 163
ESP10, 252, 333, 369, 424, 476, 162, , 166
ESP10, 255, 337, 373, 429, 478, 164, , 168
ESP10, 266, 348, 381, 438, 487, 166, , 170
ESP10, 258, 341, 382, 434, 483, 169, , 173
ESP10, 262, 342, 383, 436, 485, 171, , 175
ESP10, 248, 323, 374, 426, 473, 173, , 177
ESP10, 234, 315, 363, 412, 470, 176, , 180
ESP10, 232, 304, 358, 408, 465, 178, , 182
ESP10, 226, 296, 350, 403, 458, 180, , 184
ESP10, 248, 309, 361, 412, 468, 183, , 187
ESP10, 245, 312, 359, 409, 470, 185, , 189
ESP10, 252, 321, 359, 413, 470, 187, , 191
ESP10, 260, 329, 366, 418, 476, 190, , 194
ESP10, 264, 336, 370, 421, 478, 192, , 196
ESP10, 270, 340, 370, 421, 478, 195, , 199
ESP10, 272, 334, 369, 422, 477, 197, , 201
ESP10, 278, 337, 372, 423, 476, 199, , 203
ESP10, 278, 336, 371, 429, 475, 202, , 206
ESP10, 291, 341, 372, 433, 475, 204, , 208
ESP10, 288, 340, 375, 434, 477, 206, , 210
ESP10, 298, 340, 377, 434, 478, 209, , 213
ESP10, 304, 339, 375, 438, 477, 211, , 215
ESP10, 300, 343, 374, 435, 475, 213, , 217
ESP10, 296, 340, 368, 434, 472, 216, , 220
ESP10, 286, 334, 362, 433, 469, 218, , 222
ESP10, 287, 332, 366, 433, 469, 220, , 224
ESP10, 287, 333, 373, 434, 471, 223, , 227
ESP10, 286, 336, 372, 432, 469, 225, , 229
ESP10, 302, 351, 390, 445, 481, 227, , 231
ESP10, 303, 350, 389, 445, 480, 230, , 234
ESP10, 302, 347, 388, 441, 477, 232, , 236
ESP10, 309, 351, 396, 446, 483, 234, , 238
ESP10, 311, 354, 395, 450, 484, 237, , 241
ESP10, 303, 344, 388, 445, 479, 239, , 243
ESP10, 300, 342, 387, 447, 478, 241, , 245
ESP10, 277, 319, 371, 431, 464, 244, , 248
ESP10, 273, 320, 368, 429, 463, 246, , 250
ESP10, 262, 307, 360, 419, 455, 248, , 252
ESP10, 274, 310, 361, 419, 456, 251, , 255
ESP10, 277, 303, 360, 413, 450, 253, , 257
ESP10, 281, 310, 355, 411, 447, 255, , 259
ESP10, 284, 307, 356, 414, 447, 258, , 262
ESP10, 291, 320, 360, 419, 451, 260, , 264
ESP10, 282, 306, 353, 413, 442, 262, , 266
ESP10, 286, 311, 357, 416, 448, 265, , 269
ESP10, 283, 308, 339, 410, 444, 267, , 271
ESP10, 284, 303, 343, 407, 445, 269, , 273
ESP10, 286, 312, 351, 412, 447, 272, , 276
ESP10, 288, 314, 360, 413, 450, 274, , 278
ESP10, 284, 301, 354, 407, 448, 276, , 280
ESP10, 293, 315, 362, 404, 449, 279, , 283
ESP10, 297, 317, 365, 403, 448, 281, , 285
ESP10, 297, 320, 367, 404, 448, 284, , 288
ESP10, 295, 321, 367, 413, 446, 286, , 290
ESP10, 296, 327, 366, 413, 450, 288, , 292
ESP10, 296, 323, 362, 414, 446, 293, , 297
ESP10, 298, 327, 364, 415, 447, 295, , 299
ESP10, 300, 332, 365, 417, 446, 298, , 302
ESP10, 298, 332, 361, 415, 445, 300, , 304
ESP10, 299, 334, 362, 414, 446, 302, , 306
ESP10, 307, 334, 366, 415, 446, 305, , 309
ESP10, 312, 334, 366, 417, 448, 307, , 311
ESP10, 315, 337, 367, 417, 447, 309, , 313
ESP10, 321, 343, 368, 417, 446, 312, , 316
ESP10, 323, 345, 369, 418, 446, 314, , 318
ESP10, 327, 347, 370, 418, 446, 316, , 320
ESP10, 328, 346, 370, 420, 445, 319, , 323
ESP10, 330, 350, 370, 422, 445, 321, , 325
ESP10, 333, 352, 375, 424, 447, 323, , 327
ESP10, 335, 354, 381, 425, 451, 326, , 330
ESP10, 334, 354, 381, 423, 454, 328, , 332
ESP10, 338, 357, 383, 424, 457, 330, , 334
ESP10, 335, 354, 381, 422, 455, 333, , 337
ESP10, 326, 347, 377, 419, 448, 335, , 339
ESP10, 328, 349, 377, 420, 448, 337, , 341
ESP10, 332, 351, 380, 422, 449, 340, , 344
ESP10, 324, 346, 377, 416, 444, 342, , 346
ESP10, 302, 324, 356, 395, 426, 344, , 348
ESP10, 300, 325, 353, 395, 427, 347, , 351
ESP10, 288, 306, 344, 390, 417, 349, , 353
ESP10, 287, 309, 344, 392, 418, 351, , 355
ESP10, 303, 331, 364, 407, 430, 354, , 358
ESP10, 294, 315, 352, 398, 424, 356, , 360
ESP10, 283, 307, 337, 390, 417, 358, , 362
ESP10, 287, 307, 344, 387, 415, 361, , 365
ESP10, 289, 311, 342, 386, 414, 363, , 367
ESP10, 288, 305, 337, 382, 408, 366, , 370
ESP10, 282, 302, 335, 376, 403, 368, , 372
ESP10, 262, 290, 326, 363, 394, 370, , 374
ESP10, 281, 311, 340, 378, 402, 373, , 377
ESP10, 278, 311, 341, 374, 403, 375, , 379
ESP10, 285, 318, 346, 380, 406, 377, , 381
ESP10, 290, 324, 351, 385, 410, 380, , 384
ESP10, 279, 319, 347, 380, 408, 382, , 386
ESP10, 287, 321, 352, 384, 414, 384, , 388
ESP10, 279, 314, 344, 379, 409, 387, , 391
ESP10, 280, 315, 345, 381, 412, 389, , 393
ESP10, 280, 311, 338, 376, 412, 391, , 395
ESP10, 275, 310, 341, 375, 412, 394, , 398
ESP10, 276, 310, 345, 376, 416, 396, , 400
ESP10, 275, 306, 343, 374, 415, 398, , 402
ESP10, 279, 319, 348, 377, 417, 401, , 405
ESP10, 276, 300, 342, 371, 412, 403, , 407
ESP10, 273, 297, 340, 365, 406, 405, , 409
ESP10, 277, 298, 342, 367, 407, 408, , 412
ESP10, 287, 306, 352, 375, 410, 410, , 414
ESP10, 288, 308, 353, 380, 410, 412, , 416
ESP10, 287, 305, 355, 379, 413, 415, , 419
ESP10, 284, 301, 352, 376, 411, 417, , 421
ESP10, 285, 311, 355, 377, 408, 419, , 423
ESP10, 285, 314, 357, 380, 409, 422, , 426
ESP10, 282, 308, 349, 377, 399, 424, , 428
ESP10, 258, 289, 338, 371, 392, 426, , 430
ESP10, 259, 292, 347, 370, 391, 429, , 433
ESP10, 258, 297, 340, 371, 389, 431, , 435
ESP10, 254, 293, 336, 366, 385, 433, , 437
ESP10, 258, 297, 338, 362, 383, 436, , 440
ESP10, 245, 276, 326, 354, 373, 438, , 442
ESP10, 252, 292, 331, 359, 376, 440, , 444
ESP10, 256, 296, 332, 362, 379, 443, , 447
ESP10, 258, 302, 334, 363, 382, 445, , 449
ESP10, 253, 294, 323, 355, 372, 448, , 452
ESP10, 246, 285, 317, 347, 367, 450, , 454
ESP10, 240, 283, 312, 342, 364, 452, , 456
ESP10, 232, 280, 307, 340, 363, 455, , 459
ESP10, 239, 282, 308, 338, 359, 457, , 461
ESP10, 258, 287, 321, 352, 370, 459, , 463
ESP10, 265, 295, 331, 357, 375, 462, , 466
ESP10, 268, 295, 333, 362, 375, 464, , 468
ESP10, 270, 303, 333, 365, 375, 466, , 470
ESP10, 273, 302, 332, 365, 373, 469, , 473
ESP10, 273, 305, 334, 365, 372, 471, , 475
ESP10, 274, 291, 329, 355, 366, 473, , 477
ESP10, 256, 276, 320, 345, 354, 476, , 480
ESP10, 242, 270, 304, 331, 342, 478, , 482
ESP10, 252, 276, 309, 337, 347, 480, , 484
ESP10, 261, 278, 325, 343, 356, 483, , 487
ESP10, 271, 288, 329, 353, 368, 485, , 489
ESP10, 279, 297, 343, 357, 372, 487, , 491
ESP10, 290, 309, 352, 365, 378, 490, , 494
ESP10, 288, 307, 351, 368, 375, 492, , 496
ESP10, 291, 309, 354, 370, 377, 494, , 498
ESP10, 288, 304, 349, 365, 373, 497, , 501
ESP10, 281, 297, 345, 361, 366, 499, , 503
ESP10, 276, 296, 337, 357, 367, 501, , 505
ESP10, 280, 297, 343, 359, 366, 504, , 508
ESP10, 284, 304, 345, 362, 370, 506, , 510
ESP10, 285, 310, 346, 363, 370, 508, , 512
ESP10, 290, 309, 349, 364, 376, 511, , 515
ESP10, 285, 311, 350, 364, 376, 513, , 517
ESP10, 295, 318, 353, 366, 379, 515, , 519
ESP10, 302, 322, 356, 368, 381, 518, , 522
ESP10, 307, 322, 357, 371, 384, 520, , 524
ESP10, 305, 324, 359, 371, 382, 522, , 526
ESP10, 308, 325, 361, 372, 382, 525, , 529
ESP10, 312, 326, 362, 374, 386, 527, , 531
ESP10, 321, 331, 365, 376, 388, 530, , 534
ESP10, 324, 329, 365, 377, 388, 532, , 536
ESP10, 315, 327, 359, 372, 383, 534, , 538
ESP10, 318, 332, 361, 373, 384, 537, , 541
ESP10, 322, 335, 367, 377, 386, 539, , 543
ESP10, 322, 336, 368, 377, 388, 541, , 545
ESP10, 330, 348, 376, 385, 395, 544, , 548
ESP10, 328, 348, 372, 382, 392, 546, , 550
ESP10, 330, 355, 374, 386, 394, 548, , 552
ESP10, 327, 357, 375, 386, 395, 551, , 555
ESP10, 320, 348, 369, 380, 389, 553, , 557
ESP10, 314, 345, 364, 376, 384, 555, , 559
ESP10, 317, 349, 366, 377, 386, 558, , 562
ESP10, 318, 353, 370, 379, 387, 560, , 564
ESP10, 323, 357, 372, 384, 389, 562, , 566
ESP10, 333, 362, 376, 387, 392, 565, , 569
ESP10, 338, 361, 376, 385, 391, 567, , 571
ESP10, 336, 360, 379, 385, 391, 569, , 573
ESP10, 334, 359, 377, 383, 390, 572, , 576
ESP10, 336, 360, 376, 383, 388, 574, , 578
ESP10, 338, 361, 375, 384, 388, 576, , 580
ESP10, 338, 359, 375, 383, 387, 579, , 583
ESP10, 344, 361, 377, 386, 391, 581, , 585
ESP10, 341, 358, 374, 383, 390, 583, , 587
ESP10, 350, 359, 378, 387, 394, 586, , 590
ESP10, 351, 361, 379, 387, 394, 588, , 592
ESP10, 353, 359, 379, 388, 392, 590, , 594
ESP10, 358, 366, 384, 392, 396, 593, , 597
ESP10, 356, 366, 381, 388, 392, 595, , 599
ESP10, 358, 369, 382, 388, 394, 597, , 601
ESP10, 361, 372, 383, 389, 395, 600, , 604
ESP10, 358, 371, 382, 387, 395, 602, , 606
ESP10, 367, 377, 388, 394, 401, 604, , 608
ESP10, 367, 379, 389, 393, 401, 607, , 611
ESP10, 375, 387, 396, 401, 404, 609, , 613
ESP10, 378, 387, 396, 402, 406, 611, , 615
ESP10, 377, 387, 395, 401, 405, 614, , 618
ESP10, 378, 390, 397, 403, 407, 616, , 620
ESP10, 381, 392, 398, 403, 407, 619, , 623
ESP10, 382, 389, 396, 402, 404, 621, , 625
ESP10, 385, 391, 396, 401, 403, 623, , 627
ESP10, 382, 387, 393, 397, 399, 626, , 630
ESP10, 385, 392, 395, 399, 401, 628, , 632
ESP10, 389, 396, 399, 402, 403, 630, , 634
ESP10, 393, 399, 403, 406, 407, 633, , 637
ESP10, 392, 399, 403, 405, 407, 635, , 639
ESP10, 394, 400, 402, 405, 407, 637, , 641
ESP10, 394, 400, 402, 405, 406, 640, , 644
ESP10, 396, 400, 404, 405, 406, 642, , 646
ESP10, 396, 400, 403, 405, 406, 644, , 648
ESP10, 397, 400, 403, 406, 406, 647, , 651
ESP10, 397, 401, 404, 406, 407, 649, , 653
ESP10, 398, 402, 404, 406, 407, 651, , 655
ESP10, 399, 401, 404, 406, 407, 654, , 658
ESP10, 397, 400, 402, 403, 404, 677, , 681
ESP10, 399, 401, 403, 403, 404, 679, , 683
ESP10, 399, 401, 403, 404, 404, 682, , 686
ESP10, 400, 402, 403, 404, 405, 684, , 688
ESP10, 399, 401, 403, 404, 405, 686, , 690
ESP10, 400, 401, 403, 404, 404, 689, , 693
ESP10, 400, 402, 403, 404, 404, 691, , 695
ESP10, 400, 402, 403, 404, 404, 693, , 697
ESP10, 401, 402, 403, 404, 405, 696, , 700
ESP10, 401, 402, 404, 405, 405, 698, , 702
ESP10, 401, 402, 403, 404, 404, 701, , 705
ESP10, 401, 402, 403, 404, 404, 703, , 707
ESP10, 401, 402, 403, 404, 405, 705, , 709
ESP10, 400, 402, 403, 404, 404, 708, , 712
ESP10, 400, 402, 403, 404, 404, 710, , 714
ESP10, 400, 402, 403, 404, 404, 712, , 716
ESP10, 401, 402, 403, 404, 404, 715, , 719
ESP10, 401, 402, 403, 404, 404, 717, , 721
ESP10, 400, 402, 403, 404, 404, 719, , 723
ESP10, 401, 402, 403, 404, 404, 722, , 726
ESP10, 401, 403, 404, 405, 405, 724, , 728
ESP10, 401, 402, 404, 404, 405, 726, , 730
ESP10, 402, 404, 405, 406, 406, 729, , 733
ESP10, 402, 403, 405, 405, 406, 731, , 735
ESP10, 402, 403, 404, 405, 405, 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/natural/LGDW1N_SQIN.ESPF10.csv
LGDW1N_SQIN.ESPF0.csv|2025-07-12
LGDW1N_SQIN.ESPF10.csv|2025-07-12
LGDW1N_SQIN.ESPFM.csv|2025-07-12
APR-SEP
SNAKE - LOWER GRANITE DAM
(
LGDW1
)
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
14368
22323
93
32388
23929
APR-JUL
12285
19859
92
29194
21589
APR-AUG
13347
21165
93
30969
22827
JAN-SEP
19856
29195
93
41552
31446
JAN-JUL
17778
26707
92
38069
29106
OCT-SEP
24308
33745
94
46651
35973
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/LGDW1N_SQIN.ESPF10.csv
LGDW1N_SQIN.ESPF0.csv|2025-07-12
LGDW1N_SQIN.ESPF10.csv|2025-07-12
LGDW1N_SQIN.ESPFM.csv|2025-07-12
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
