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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:
2026-02-12
Issued:
2026-02-12
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
13657
17258
78
21406
22232
APR-JUL
11621
14831
74
18749
19946
APR-AUG
12624
16114
76
20159
21121
JAN-SEP
20628
24411
82
28212
29736
JAN-JUL
18592
22121
81
25631
27450
OCT-SEP
25865
29648
86
33449
34287
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-02-12
Issued:
2026-02-12
Hide Forecast
APR-SEP
13004
17146
77
20684
22232
APR-JUL
11019
14943
75
18152
19946
APR-AUG
11980
16077
76
19472
21121
JAN-SEP
20045
23734
80
28798
29736
JAN-JUL
18038
21589
79
26249
27450
OCT-SEP
25282
28971
84
34035
34287
Reference
ESP with 0 Days QPF
Ensemble:
2026-02-12
Issued:
2026-02-12
Hide Forecast
APR-SEP
13470
17353
78
22043
22232
APR-JUL
11453
15044
75
19355
19946
APR-AUG
12438
16240
77
20785
21121
JAN-SEP
19850
24192
81
29023
29736
JAN-JUL
17915
22036
80
26561
27450
OCT-SEP
25086
29429
86
34259
34287
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 252, 324, 378, 416, 475, 73, , 77
ESP10, 247, 323, 385, 425, 475, 78, , 82
ESP10, 234, 311, 375, 414, 468, 83, , 87
ESP10, 233, 310, 377, 413, 469, 88, , 92
ESP10, 239, 314, 376, 416, 471, 93, , 97
ESP10, 233, 313, 377, 415, 469, 98, , 102
ESP10, 243, 317, 381, 417, 472, 102, , 106
ESP10, 239, 318, 380, 421, 475, 107, , 111
ESP10, 241, 318, 382, 421, 473, 112, , 116
ESP10, 229, 309, 378, 417, 469, 117, , 121
ESP10, 223, 303, 370, 412, 465, 122, , 126
ESP10, 230, 310, 382, 417, 470, 127, , 131
ESP10, 228, 308, 379, 416, 472, 132, , 136
ESP10, 228, 309, 378, 417, 471, 137, , 141
ESP10, 229, 304, 374, 415, 467, 142, , 146
ESP10, 213, 293, 364, 407, 458, 147, , 151
ESP10, 210, 286, 364, 407, 450, 152, , 156
ESP10, 212, 287, 366, 411, 453, 157, , 161
ESP10, 214, 292, 371, 416, 459, 162, , 166
ESP10, 219, 295, 375, 418, 460, 167, , 171
ESP10, 211, 285, 364, 410, 455, 171, , 175
ESP10, 218, 293, 374, 414, 461, 176, , 180
ESP10, 220, 294, 367, 413, 459, 181, , 185
ESP10, 228, 306, 374, 419, 466, 186, , 190
ESP10, 240, 313, 381, 424, 468, 191, , 195
ESP10, 236, 308, 375, 419, 468, 196, , 200
ESP10, 245, 307, 381, 419, 467, 201, , 205
ESP10, 249, 321, 382, 421, 470, 206, , 210
ESP10, 249, 314, 378, 419, 467, 211, , 215
ESP10, 229, 298, 363, 412, 459, 216, , 220
ESP10, 231, 295, 361, 411, 457, 221, , 225
ESP10, 238, 308, 361, 409, 458, 226, , 230
ESP10, 259, 318, 364, 413, 463, 231, , 235
ESP10, 247, 311, 367, 418, 469, 236, , 240
ESP10, 251, 316, 371, 421, 472, 240, , 244
ESP10, 253, 329, 369, 421, 472, 245, , 249
ESP10, 251, 332, 375, 419, 471, 250, , 254
ESP10, 244, 323, 365, 417, 467, 255, , 259
ESP10, 249, 325, 367, 418, 469, 260, , 264
ESP10, 245, 330, 372, 419, 469, 265, , 269
ESP10, 258, 344, 380, 426, 476, 270, , 274
ESP10, 256, 347, 384, 430, 479, 275, , 279
ESP10, 259, 347, 381, 431, 480, 280, , 284
ESP10, 269, 352, 386, 436, 484, 285, , 289
ESP10, 272, 351, 389, 439, 485, 290, , 294
ESP10, 275, 348, 391, 437, 488, 295, , 299
ESP10, 274, 357, 394, 438, 490, 300, , 304
ESP10, 283, 364, 401, 443, 496, 304, , 308
ESP10, 293, 363, 398, 445, 494, 309, , 313
ESP10, 293, 356, 396, 444, 493, 314, , 318
ESP10, 294, 353, 395, 441, 490, 319, , 323
ESP10, 291, 355, 389, 439, 486, 324, , 328
ESP10, 295, 368, 393, 441, 487, 329, , 333
ESP10, 302, 374, 398, 446, 490, 334, , 338
ESP10, 299, 370, 392, 443, 486, 339, , 343
ESP10, 301, 373, 397, 446, 488, 344, , 348
ESP10, 296, 354, 393, 434, 481, 349, , 353
ESP10, 294, 365, 397, 441, 481, 354, , 358
ESP10, 301, 367, 400, 446, 486, 359, , 363
ESP10, 296, 351, 390, 431, 476, 364, , 368
ESP10, 292, 337, 378, 428, 463, 369, , 373
ESP10, 299, 353, 387, 432, 470, 373, , 377
ESP10, 293, 344, 382, 430, 462, 378, , 382
ESP10, 277, 327, 370, 421, 453, 383, , 387
ESP10, 285, 332, 374, 424, 460, 388, , 392
ESP10, 266, 322, 363, 415, 451, 393, , 397
ESP10, 269, 325, 368, 417, 456, 398, , 402
ESP10, 288, 335, 379, 426, 463, 403, , 407
ESP10, 294, 340, 385, 433, 465, 408, , 412
ESP10, 286, 338, 377, 425, 459, 413, , 417
ESP10, 278, 325, 372, 424, 457, 418, , 422
ESP10, 271, 314, 364, 417, 450, 423, , 427
ESP10, 263, 298, 360, 415, 446, 428, , 432
ESP10, 260, 310, 360, 419, 450, 433, , 437
ESP10, 263, 312, 362, 420, 451, 437, , 441
ESP10, 260, 293, 358, 413, 446, 442, , 446
ESP10, 250, 291, 357, 405, 444, 447, , 451
ESP10, 264, 303, 365, 412, 449, 452, , 456
ESP10, 284, 313, 374, 426, 457, 457, , 461
ESP10, 294, 310, 366, 419, 453, 462, , 466
ESP10, 295, 317, 363, 423, 454, 467, , 471
ESP10, 296, 318, 370, 429, 456, 472, , 476
ESP10, 302, 325, 374, 427, 460, 477, , 481
ESP10, 302, 324, 373, 430, 462, 482, , 486
ESP10, 298, 315, 364, 426, 458, 487, , 491
ESP10, 297, 313, 368, 425, 460, 492, , 496
ESP10, 302, 317, 370, 426, 461, 497, , 501
ESP10, 304, 321, 377, 428, 465, 502, , 506
ESP10, 301, 328, 379, 427, 466, 506, , 510
ESP10, 312, 329, 377, 425, 463, 511, , 515
ESP10, 299, 328, 382, 423, 461, 516, , 520
ESP10, 297, 327, 381, 422, 460, 521, , 525
ESP10, 290, 322, 375, 417, 451, 526, , 530
ESP10, 290, 324, 372, 415, 454, 531, , 535
ESP10, 289, 322, 368, 417, 453, 536, , 540
ESP10, 287, 325, 362, 418, 450, 541, , 545
ESP10, 283, 321, 364, 416, 446, 546, , 550
ESP10, 290, 324, 365, 420, 446, 551, , 555
ESP10, 292, 324, 366, 420, 446, 556, , 560
ESP10, 295, 331, 367, 422, 447, 561, , 565
ESP10, 306, 327, 374, 422, 447, 566, , 570
ESP10, 312, 333, 372, 423, 450, 571, , 575
ESP10, 318, 334, 380, 423, 450, 575, , 579
ESP10, 319, 335, 373, 423, 449, 580, , 584
ESP10, 322, 342, 379, 424, 451, 585, , 589
ESP10, 323, 343, 377, 424, 448, 590, , 594
ESP10, 318, 342, 373, 423, 445, 595, , 599
ESP10, 324, 350, 381, 426, 447, 600, , 604
ESP10, 328, 351, 382, 425, 449, 605, , 609
ESP10, 332, 358, 383, 429, 450, 610, , 614
ESP10, 330, 356, 385, 428, 456, 615, , 619
ESP10, 337, 365, 395, 434, 461, 620, , 624
ESP10, 345, 369, 396, 435, 464, 625, , 629
ESP10, 348, 373, 402, 438, 466, 630, , 634
ESP10, 353, 376, 402, 439, 468, 635, , 639
ESP10, 347, 374, 405, 439, 468, 639, , 643
ESP10, 349, 375, 406, 440, 468, 644, , 648
ESP10, 351, 381, 408, 439, 467, 649, , 653
ESP10, 353, 383, 408, 441, 467, 654, , 658
ESP10, 358, 388, 412, 442, 468, 659, , 663
ESP10, 347, 380, 405, 437, 462, 664, , 668
ESP10, 356, 388, 413, 444, 467, 669, , 673
ESP10, 357, 388, 412, 444, 468, 674, , 678
ESP10, 353, 376, 410, 440, 463, 679, , 683
ESP10, 357, 377, 410, 443, 463, 684, , 688
ESP10, 359, 383, 414, 443, 470, 689, , 693
ESP10, 364, 387, 413, 445, 469, 694, , 698
ESP10, 367, 384, 416, 444, 468, 699, , 703
ESP10, 366, 385, 411, 440, 466, 704, , 708
ESP10, 365, 387, 412, 440, 460, 708, , 712
ESP10, 349, 379, 408, 433, 456, 713, , 717
ESP10, 350, 379, 409, 432, 458, 718, , 722
ESP10, 349, 383, 406, 434, 458, 723, , 727
ESP10, 359, 387, 414, 437, 462, 728, , 732
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/LGDW1W_SQIN.ESPF10.csv
LGDW1W_SQIN.ESPF0.csv|2026-02-12
LGDW1W_SQIN.ESPF10.csv|2026-02-12
LGDW1W_SQIN.ESPFM.csv|2026-02-12
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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