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Water Year
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SNAKE - LOWER GRANITE DAM
(
LGDW1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-12-31
Issued:
2025-12-31
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
13794
19686
89
25888
22232
APR-JUL
11745
17247
86
23050
19946
APR-AUG
12766
18502
88
24544
21121
JAN-SEP
20788
26579
89
36066
29736
JAN-JUL
18824
24269
88
33263
27450
OCT-SEP
26026
31817
93
41304
34287
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2025-12-31
Issued:
2025-12-31
Hide Forecast
APR-SEP
14735
21361
96
26785
22232
APR-JUL
12695
18888
95
24150
19946
APR-AUG
13720
20131
95
25521
21121
JAN-SEP
21486
29766
100
38226
29736
JAN-JUL
19206
27094
99
35317
27450
OCT-SEP
26725
35004
102
43464
34287
Reference
ESP with 0 Days QPF
Ensemble:
2025-12-31
Issued:
2025-12-31
Hide Forecast
APR-SEP
14486
20992
94
26434
22232
APR-JUL
12429
18366
92
23830
19946
APR-AUG
13476
19717
93
25176
21121
JAN-SEP
20835
28742
97
37848
29736
JAN-JUL
18716
26250
96
34934
27450
OCT-SEP
26074
33981
99
43086
34287
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 252, 324, 378, 416, 475, 75, , 79
ESP10, 247, 323, 385, 425, 475, 82, , 86
ESP10, 234, 311, 375, 414, 468, 90, , 94
ESP10, 233, 310, 377, 413, 469, 97, , 101
ESP10, 239, 314, 376, 416, 471, 104, , 108
ESP10, 233, 313, 377, 415, 469, 111, , 115
ESP10, 243, 317, 381, 417, 472, 118, , 122
ESP10, 239, 318, 380, 421, 475, 126, , 130
ESP10, 241, 318, 382, 421, 473, 133, , 137
ESP10, 229, 309, 378, 417, 469, 140, , 144
ESP10, 223, 303, 370, 412, 465, 147, , 151
ESP10, 230, 310, 382, 417, 470, 154, , 158
ESP10, 228, 308, 379, 416, 472, 162, , 166
ESP10, 228, 309, 378, 417, 471, 169, , 173
ESP10, 229, 304, 374, 415, 467, 176, , 180
ESP10, 213, 293, 364, 407, 458, 183, , 187
ESP10, 210, 286, 364, 407, 450, 190, , 194
ESP10, 212, 287, 366, 411, 453, 198, , 202
ESP10, 214, 292, 371, 416, 459, 205, , 209
ESP10, 219, 295, 375, 418, 460, 212, , 216
ESP10, 211, 285, 364, 410, 455, 219, , 223
ESP10, 218, 293, 374, 414, 461, 226, , 230
ESP10, 220, 294, 367, 413, 459, 234, , 238
ESP10, 228, 306, 374, 419, 466, 241, , 245
ESP10, 240, 313, 381, 424, 468, 248, , 252
ESP10, 236, 308, 375, 419, 468, 255, , 259
ESP10, 245, 307, 381, 419, 467, 263, , 267
ESP10, 249, 321, 382, 421, 470, 270, , 274
ESP10, 249, 314, 378, 419, 467, 277, , 281
ESP10, 229, 298, 363, 412, 459, 284, , 288
ESP10, 231, 295, 361, 411, 457, 291, , 295
ESP10, 238, 308, 361, 409, 458, 299, , 303
ESP10, 259, 318, 364, 413, 463, 306, , 310
ESP10, 247, 311, 367, 418, 469, 313, , 317
ESP10, 251, 316, 371, 421, 472, 320, , 324
ESP10, 253, 329, 369, 421, 472, 327, , 331
ESP10, 251, 332, 375, 419, 471, 335, , 339
ESP10, 244, 323, 365, 417, 467, 342, , 346
ESP10, 249, 325, 367, 418, 469, 349, , 353
ESP10, 245, 330, 372, 419, 469, 356, , 360
ESP10, 258, 344, 380, 426, 476, 363, , 367
ESP10, 256, 347, 384, 430, 479, 371, , 375
ESP10, 259, 347, 381, 431, 480, 378, , 382
ESP10, 269, 352, 386, 436, 484, 385, , 389
ESP10, 272, 351, 389, 439, 485, 392, , 396
ESP10, 275, 348, 391, 437, 488, 399, , 403
ESP10, 274, 357, 394, 438, 490, 407, , 411
ESP10, 283, 364, 401, 443, 496, 414, , 418
ESP10, 293, 363, 398, 445, 494, 421, , 425
ESP10, 293, 356, 396, 444, 493, 428, , 432
ESP10, 294, 353, 395, 441, 490, 435, , 439
ESP10, 291, 355, 389, 439, 486, 443, , 447
ESP10, 295, 368, 393, 441, 487, 450, , 454
ESP10, 302, 374, 398, 446, 490, 457, , 461
ESP10, 299, 370, 392, 443, 486, 464, , 468
ESP10, 301, 373, 397, 446, 488, 471, , 475
ESP10, 296, 354, 393, 434, 481, 479, , 483
ESP10, 294, 365, 397, 441, 481, 486, , 490
ESP10, 301, 367, 400, 446, 486, 493, , 497
ESP10, 296, 351, 390, 431, 476, 500, , 504
ESP10, 292, 337, 378, 428, 463, 507, , 511
ESP10, 299, 353, 387, 432, 470, 515, , 519
ESP10, 293, 344, 382, 430, 462, 522, , 526
ESP10, 277, 327, 370, 421, 453, 529, , 533
ESP10, 285, 332, 374, 424, 460, 536, , 540
ESP10, 266, 322, 363, 415, 451, 543, , 547
ESP10, 269, 325, 368, 417, 456, 551, , 555
ESP10, 288, 335, 379, 426, 463, 558, , 562
ESP10, 294, 340, 385, 433, 465, 565, , 569
ESP10, 286, 338, 377, 425, 459, 572, , 576
ESP10, 278, 325, 372, 424, 457, 580, , 584
ESP10, 271, 314, 364, 417, 450, 587, , 591
ESP10, 263, 298, 360, 415, 446, 594, , 598
ESP10, 260, 310, 360, 419, 450, 601, , 605
ESP10, 263, 312, 362, 420, 451, 608, , 612
ESP10, 260, 293, 358, 413, 446, 616, , 620
ESP10, 250, 291, 357, 405, 444, 623, , 627
ESP10, 264, 303, 365, 412, 449, 630, , 634
ESP10, 284, 313, 374, 426, 457, 637, , 641
ESP10, 294, 310, 366, 419, 453, 644, , 648
ESP10, 295, 317, 363, 423, 454, 652, , 656
ESP10, 296, 318, 370, 429, 456, 659, , 663
ESP10, 302, 325, 374, 427, 460, 666, , 670
ESP10, 302, 324, 373, 430, 462, 673, , 677
ESP10, 298, 315, 364, 426, 458, 680, , 684
ESP10, 297, 313, 368, 425, 460, 688, , 692
ESP10, 302, 317, 370, 426, 461, 695, , 699
ESP10, 304, 321, 377, 428, 465, 702, , 706
ESP10, 301, 328, 379, 427, 466, 709, , 713
ESP10, 312, 329, 377, 425, 463, 716, , 720
ESP10, 299, 328, 382, 423, 461, 724, , 728
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Data Files
/chpsesp/ensemble/watersupply/LGDW1W_SQIN.ESPF10.csv
LGDW1W_SQIN.ESPF0.csv|2025-12-31
LGDW1W_SQIN.ESPF10.csv|2025-12-31
LGDW1W_SQIN.ESPFM.csv|2025-12-31
APR-SEP
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ESP10,ESPM,ESP0
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