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Archive:
Water Year
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SNAKE - LOWER MONUMENTAL DAM
(
LMNW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
16736
16799
70
16982
24076
APR-JUL
14690
14691
68
14694
21732
JAN-SEP
24826
24889
78
25072
31844
JAN-JUL
22780
22781
77
22784
29500
OCT-SEP
30245
30308
83
30491
36407
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
APR-SEP
16724
16797
70
16998
24076
APR-JUL
14682
14689
68
14701
21732
JAN-SEP
24814
24887
78
25089
31844
JAN-JUL
22772
22779
77
22792
29500
OCT-SEP
30233
30306
83
30507
36407
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
APR-SEP
16719
16780
70
16999
24076
APR-JUL
14682
14686
68
14700
21732
JAN-SEP
24810
24871
78
25089
31844
JAN-JUL
22772
22776
77
22791
29500
OCT-SEP
30229
30289
83
30508
36407
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 246, 313, 369, 409, 472, 70, , 74
ESP10, 240, 312, 375, 417, 472, 73, , 77
ESP10, 227, 302, 366, 407, 466, 75, , 79
ESP10, 226, 300, 367, 405, 466, 77, , 81
ESP10, 232, 305, 366, 409, 469, 80, , 84
ESP10, 227, 304, 368, 409, 466, 82, , 86
ESP10, 235, 307, 370, 411, 469, 84, , 88
ESP10, 233, 308, 370, 415, 472, 87, , 91
ESP10, 235, 310, 371, 415, 471, 89, , 93
ESP10, 224, 299, 368, 411, 467, 91, , 95
ESP10, 219, 294, 361, 407, 463, 94, , 98
ESP10, 225, 300, 370, 412, 467, 96, , 100
ESP10, 224, 298, 369, 411, 469, 98, , 102
ESP10, 224, 298, 368, 412, 469, 100, , 104
ESP10, 224, 293, 364, 409, 465, 103, , 107
ESP10, 210, 282, 355, 402, 456, 105, , 109
ESP10, 207, 276, 349, 401, 448, 107, , 111
ESP10, 208, 277, 351, 404, 451, 110, , 114
ESP10, 210, 281, 358, 408, 457, 112, , 116
ESP10, 214, 284, 363, 410, 459, 114, , 118
ESP10, 205, 274, 352, 404, 453, 117, , 121
ESP10, 214, 282, 362, 409, 460, 119, , 123
ESP10, 213, 285, 358, 407, 458, 121, , 125
ESP10, 221, 297, 365, 413, 464, 124, , 128
ESP10, 232, 303, 374, 418, 466, 126, , 130
ESP10, 228, 298, 368, 413, 466, 128, , 132
ESP10, 237, 298, 371, 413, 464, 131, , 135
ESP10, 242, 311, 372, 415, 467, 133, , 137
ESP10, 241, 302, 368, 413, 466, 135, , 139
ESP10, 222, 289, 354, 403, 457, 138, , 142
ESP10, 226, 285, 352, 402, 455, 140, , 144
ESP10, 236, 300, 352, 400, 456, 142, , 146
ESP10, 253, 306, 355, 407, 460, 145, , 149
ESP10, 244, 302, 359, 411, 468, 147, , 151
ESP10, 248, 306, 362, 416, 471, 149, , 153
ESP10, 249, 319, 360, 415, 471, 151, , 155
ESP10, 247, 321, 365, 413, 469, 154, , 158
ESP10, 241, 311, 357, 411, 466, 156, , 160
ESP10, 245, 315, 358, 412, 468, 158, , 162
ESP10, 242, 316, 362, 412, 467, 161, , 165
ESP10, 254, 331, 369, 419, 473, 163, , 167
ESP10, 251, 334, 373, 425, 476, 165, , 169
ESP10, 254, 335, 370, 424, 477, 168, , 172
ESP10, 261, 341, 379, 432, 481, 170, , 174
ESP10, 264, 342, 383, 434, 482, 172, , 176
ESP10, 269, 339, 385, 433, 485, 175, , 179
ESP10, 268, 347, 387, 434, 487, 177, , 181
ESP10, 277, 354, 394, 439, 493, 179, , 183
ESP10, 287, 352, 391, 441, 491, 182, , 186
ESP10, 286, 348, 388, 440, 490, 184, , 188
ESP10, 287, 346, 388, 438, 487, 186, , 190
ESP10, 284, 345, 382, 431, 483, 189, , 193
ESP10, 287, 359, 386, 433, 484, 191, , 195
ESP10, 295, 363, 391, 438, 487, 193, , 197
ESP10, 292, 359, 385, 435, 483, 196, , 200
ESP10, 294, 361, 390, 439, 486, 198, , 202
ESP10, 289, 343, 385, 429, 479, 200, , 204
ESP10, 287, 354, 390, 436, 478, 202, , 206
ESP10, 294, 357, 392, 440, 484, 205, , 209
ESP10, 288, 339, 382, 425, 473, 207, , 211
ESP10, 284, 328, 366, 422, 460, 209, , 213
ESP10, 292, 344, 378, 427, 468, 212, , 216
ESP10, 286, 333, 371, 424, 461, 214, , 218
ESP10, 271, 318, 356, 416, 452, 216, , 220
ESP10, 276, 322, 361, 421, 458, 219, , 223
ESP10, 258, 311, 350, 408, 450, 221, , 225
ESP10, 261, 315, 360, 411, 454, 223, , 227
ESP10, 279, 326, 369, 420, 461, 226, , 230
ESP10, 284, 333, 379, 428, 463, 228, , 232
ESP10, 277, 328, 369, 421, 458, 230, , 234
ESP10, 269, 315, 361, 419, 455, 233, , 237
ESP10, 263, 304, 355, 412, 447, 235, , 239
ESP10, 255, 290, 350, 409, 444, 237, , 241
ESP10, 253, 304, 349, 413, 446, 240, , 244
ESP10, 254, 303, 351, 414, 449, 242, , 246
ESP10, 251, 285, 349, 407, 442, 244, , 248
ESP10, 242, 285, 345, 399, 440, 247, , 251
ESP10, 256, 301, 355, 407, 445, 249, , 253
ESP10, 276, 312, 365, 422, 453, 251, , 255
ESP10, 290, 309, 358, 416, 451, 253, , 257
ESP10, 290, 312, 355, 419, 451, 256, , 260
ESP10, 293, 316, 363, 426, 454, 258, , 262
ESP10, 299, 323, 367, 425, 459, 260, , 264
ESP10, 298, 321, 365, 428, 460, 263, , 267
ESP10, 292, 312, 358, 423, 457, 265, , 269
ESP10, 290, 310, 362, 422, 459, 267, , 271
ESP10, 295, 313, 366, 423, 459, 270, , 274
ESP10, 297, 317, 373, 425, 464, 272, , 276
ESP10, 298, 324, 372, 424, 464, 274, , 278
ESP10, 306, 329, 370, 423, 462, 277, , 281
ESP10, 294, 326, 375, 421, 459, 279, , 283
ESP10, 292, 326, 375, 419, 458, 281, , 285
ESP10, 285, 321, 368, 416, 450, 284, , 288
ESP10, 285, 321, 366, 410, 453, 286, , 290
ESP10, 285, 318, 360, 411, 451, 288, , 292
ESP10, 283, 320, 355, 413, 449, 291, , 295
ESP10, 279, 316, 358, 414, 445, 293, , 297
ESP10, 286, 318, 359, 416, 444, 295, , 299
ESP10, 287, 318, 360, 415, 445, 298, , 302
ESP10, 290, 329, 361, 417, 445, 300, , 304
ESP10, 302, 322, 366, 418, 446, 302, , 306
ESP10, 307, 327, 366, 419, 448, 304, , 308
ESP10, 316, 328, 372, 419, 448, 307, , 311
ESP10, 318, 331, 368, 418, 447, 309, , 313
ESP10, 320, 339, 372, 420, 449, 311, , 315
ESP10, 321, 339, 371, 420, 447, 314, , 318
ESP10, 316, 338, 367, 420, 444, 316, , 320
ESP10, 322, 348, 376, 423, 446, 318, , 322
ESP10, 326, 348, 375, 423, 448, 321, , 325
ESP10, 330, 355, 380, 426, 449, 323, , 327
ESP10, 328, 354, 380, 425, 456, 325, , 329
ESP10, 337, 361, 389, 431, 461, 328, , 332
ESP10, 341, 365, 392, 432, 463, 330, , 334
ESP10, 345, 369, 397, 435, 465, 332, , 336
ESP10, 349, 371, 397, 436, 468, 335, , 339
ESP10, 346, 371, 398, 437, 468, 337, , 341
ESP10, 349, 371, 400, 437, 469, 339, , 343
ESP10, 348, 376, 402, 437, 467, 342, , 346
ESP10, 351, 378, 404, 438, 468, 344, , 348
ESP10, 352, 379, 406, 440, 468, 346, , 350
ESP10, 343, 372, 400, 436, 463, 349, , 353
ESP10, 351, 380, 407, 441, 468, 351, , 355
ESP10, 352, 381, 406, 442, 468, 353, , 357
ESP10, 349, 371, 404, 440, 462, 355, , 359
ESP10, 354, 374, 404, 442, 462, 358, , 362
ESP10, 357, 380, 408, 443, 471, 360, , 364
ESP10, 364, 385, 408, 444, 470, 362, , 366
ESP10, 364, 381, 411, 442, 469, 365, , 369
ESP10, 361, 383, 406, 439, 467, 367, , 371
ESP10, 361, 381, 408, 439, 461, 369, , 373
ESP10, 345, 376, 406, 434, 456, 372, , 376
ESP10, 346, 374, 403, 433, 459, 374, , 378
ESP10, 345, 378, 401, 434, 459, 376, , 380
ESP10, 353, 381, 407, 438, 463, 379, , 383
ESP10, 362, 382, 403, 440, 465, 381, , 385
ESP10, 358, 378, 405, 438, 463, 383, , 387
ESP10, 354, 376, 395, 432, 457, 386, , 390
ESP10, 346, 374, 399, 431, 460, 388, , 392
ESP10, 335, 367, 387, 424, 453, 390, , 394
ESP10, 348, 377, 402, 431, 463, 393, , 397
ESP10, 343, 373, 399, 430, 461, 395, , 399
ESP10, 350, 380, 410, 435, 465, 397, , 401
ESP10, 367, 380, 417, 440, 467, 400, , 404
ESP10, 366, 380, 417, 440, 469, 402, , 406
ESP10, 365, 385, 413, 442, 468, 404, , 408
ESP10, 366, 391, 415, 445, 471, 406, , 410
ESP10, 370, 393, 417, 445, 472, 409, , 413
ESP10, 361, 383, 412, 435, 463, 411, , 415
ESP10, 353, 375, 414, 433, 457, 413, , 417
ESP10, 342, 368, 408, 428, 453, 416, , 420
ESP10, 350, 385, 417, 436, 457, 418, , 422
ESP10, 348, 383, 419, 437, 455, 420, , 424
ESP10, 352, 380, 415, 437, 455, 423, , 427
ESP10, 349, 371, 407, 430, 446, 425, , 429
ESP10, 355, 379, 408, 435, 450, 427, , 431
ESP10, 350, 381, 408, 432, 445, 430, , 434
ESP10, 352, 381, 408, 433, 446, 432, , 436
ESP10, 347, 381, 405, 432, 448, 434, , 438
ESP10, 355, 379, 402, 432, 447, 437, , 441
ESP10, 365, 388, 412, 438, 452, 439, , 443
ESP10, 356, 382, 401, 433, 445, 441, , 445
ESP10, 338, 371, 390, 424, 438, 444, , 448
ESP10, 357, 389, 403, 439, 450, 446, , 450
ESP10, 362, 390, 409, 441, 455, 448, , 452
ESP10, 362, 395, 414, 442, 457, 451, , 455
ESP10, 364, 391, 413, 438, 454, 453, , 457
ESP10, 361, 385, 409, 434, 450, 455, , 459
ESP10, 365, 394, 414, 436, 454, 457, , 461
ESP10, 374, 399, 418, 443, 456, 460, , 464
ESP10, 378, 401, 424, 452, 459, 462, , 466
ESP10, 376, 404, 425, 451, 458, 464, , 468
ESP10, 378, 407, 427, 453, 459, 467, , 471
ESP10, 379, 404, 427, 451, 456, 469, , 473
ESP10, 364, 387, 415, 437, 443, 471, , 475
ESP10, 359, 380, 408, 426, 437, 474, , 478
ESP10, 363, 381, 411, 430, 440, 476, , 480
ESP10, 360, 375, 406, 425, 433, 478, , 482
ESP10, 361, 376, 409, 426, 436, 481, , 485
ESP10, 365, 380, 414, 428, 439, 483, , 487
ESP10, 365, 381, 414, 428, 439, 485, , 489
ESP10, 370, 383, 418, 434, 441, 488, , 492
ESP10, 372, 386, 422, 434, 443, 490, , 494
ESP10, 370, 383, 417, 431, 439, 492, , 496
ESP10, 378, 392, 423, 439, 446, 495, , 499
ESP10, 374, 391, 422, 436, 443, 497, , 501
ESP10, 373, 387, 420, 436, 445, 499, , 503
ESP10, 376, 385, 419, 435, 445, 502, , 506
ESP10, 377, 392, 423, 438, 447, 504, , 508
ESP10, 367, 380, 412, 427, 439, 506, , 510
ESP10, 359, 375, 406, 420, 431, 508, , 512
ESP10, 355, 371, 401, 415, 427, 511, , 515
ESP10, 353, 371, 400, 415, 428, 513, , 517
ESP10, 348, 364, 393, 407, 420, 515, , 519
ESP10, 362, 371, 403, 413, 426, 518, , 522
ESP10, 355, 370, 400, 409, 421, 520, , 524
ESP10, 375, 383, 414, 423, 434, 522, , 526
ESP10, 369, 379, 407, 419, 429, 525, , 529
ESP10, 380, 387, 416, 427, 436, 527, , 531
ESP10, 376, 387, 413, 424, 433, 529, , 533
ESP10, 376, 388, 411, 422, 431, 532, , 536
ESP10, 374, 390, 413, 420, 430, 534, , 538
ESP10, 373, 392, 413, 422, 430, 536, , 540
ESP10, 376, 398, 417, 425, 432, 539, , 543
ESP10, 385, 407, 424, 432, 439, 541, , 545
ESP10, 385, 409, 423, 432, 439, 543, , 547
ESP10, 388, 409, 425, 433, 440, 546, , 550
ESP10, 385, 408, 426, 432, 438, 548, , 552
ESP10, 386, 409, 427, 433, 438, 550, , 554
ESP10, 388, 414, 429, 434, 441, 553, , 557
ESP10, 387, 413, 429, 434, 440, 555, , 559
ESP10, 386, 414, 428, 434, 439, 557, , 561
ESP10, 395, 417, 428, 436, 441, 559, , 563
ESP10, 399, 417, 431, 436, 441, 562, , 566
ESP10, 398, 418, 431, 437, 441, 564, , 568
ESP10, 400, 419, 432, 438, 444, 566, , 570
ESP10, 403, 420, 432, 440, 444, 569, , 573
ESP10, 407, 421, 432, 439, 444, 571, , 575
ESP10, 408, 422, 434, 439, 444, 573, , 577
ESP10, 408, 420, 434, 438, 443, 576, , 580
ESP10, 410, 418, 434, 438, 442, 578, , 582
ESP10, 414, 420, 435, 440, 444, 580, , 584
ESP10, 412, 418, 431, 437, 440, 583, , 587
ESP10, 418, 422, 435, 442, 446, 585, , 589
ESP10, 422, 425, 438, 443, 448, 587, , 591
ESP10, 419, 425, 437, 442, 445, 590, , 594
ESP10, 422, 427, 438, 444, 447, 592, , 596
ESP10, 419, 426, 436, 441, 445, 594, , 598
ESP10, 419, 428, 435, 441, 445, 597, , 601
ESP10, 421, 428, 436, 441, 445, 599, , 603
ESP10, 422, 430, 438, 442, 445, 601, , 605
ESP10, 422, 430, 437, 440, 443, 604, , 608
ESP10, 423, 430, 437, 441, 444, 606, , 610
ESP10, 424, 432, 438, 441, 445, 608, , 612
ESP10, 422, 430, 436, 440, 443, 610, , 614
ESP10, 420, 429, 433, 437, 440, 613, , 617
ESP10, 421, 429, 435, 438, 440, 615, , 619
ESP10, 425, 430, 436, 438, 440, 617, , 621
ESP10, 425, 429, 434, 436, 438, 620, , 624
ESP10, 428, 431, 434, 437, 439, 622, , 626
ESP10, 429, 432, 435, 438, 440, 624, , 628
ESP10, 431, 434, 437, 439, 441, 627, , 631
ESP10, 430, 434, 437, 439, 440, 629, , 633
ESP10, 430, 434, 437, 439, 440, 631, , 635
ESP10, 431, 434, 437, 439, 440, 634, , 638
ESP10, 432, 434, 437, 439, 440, 636, , 640
ESP10, 430, 433, 436, 438, 439, 638, , 642
ESP10, 430, 433, 436, 438, 439, 641, , 645
ESP10, 431, 434, 435, 437, 439, 643, , 647
ESP10, 431, 434, 436, 438, 439, 645, , 649
ESP10, 432, 435, 437, 439, 439, 648, , 652
ESP10, 433, 437, 439, 440, 440, 650, , 654
ESP10, 433, 435, 437, 439, 439, 652, , 656
ESP10, 433, 436, 438, 439, 440, 655, , 659
ESP10, 433, 436, 438, 439, 439, 657, , 661
ESP10, 434, 436, 438, 439, 440, 659, , 663
ESP10, 434, 436, 438, 439, 440, 661, , 665
ESP10, 434, 436, 438, 439, 440, 664, , 668
ESP10, 434, 436, 438, 439, 439, 666, , 670
ESP10, 433, 436, 438, 438, 439, 668, , 672
ESP10, 433, 435, 437, 438, 439, 671, , 675
ESP10, 433, 435, 437, 437, 438, 673, , 677
ESP10, 433, 435, 437, 437, 438, 675, , 679
ESP10, 433, 435, 437, 437, 438, 678, , 682
ESP10, 433, 435, 436, 437, 437, 680, , 684
ESP10, 433, 435, 436, 437, 437, 682, , 686
ESP10, 433, 435, 436, 437, 437, 685, , 689
ESP10, 433, 435, 436, 436, 437, 687, , 691
ESP10, 432, 434, 435, 435, 436, 689, , 693
ESP10, 431, 433, 433, 434, 434, 692, , 696
ESP10, 426, 429, 430, 430, 431, 694, , 698
ESP10, 427, 429, 430, 430, 431, 696, , 700
ESP10, 428, 430, 431, 431, 432, 699, , 703
ESP10, 428, 429, 431, 431, 431, 701, , 705
ESP10, 428, 429, 430, 431, 431, 703, , 707
ESP10, 428, 429, 431, 431, 431, 706, , 710
ESP10, 428, 430, 431, 431, 432, 708, , 712
ESP10, 428, 430, 431, 431, 432, 710, , 714
ESP10, 428, 430, 431, 432, 432, 712, , 716
ESP10, 428, 430, 431, 432, 432, 715, , 719
ESP10, 429, 430, 431, 432, 432, 717, , 721
ESP10, 428, 430, 431, 432, 432, 719, , 723
ESP10, 429, 430, 431, 432, 432, 722, , 726
ESP10, 428, 430, 431, 431, 432, 724, , 728
ESP10, 429, 430, 431, 432, 432, 726, , 730
ESP10, 429, 430, 431, 432, 432, 729, , 733
ESP10, 429, 430, 431, 432, 432, 731, , 735
ESP10, 429, 431, 432, 432, 432, 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/natural/LMNW1N_SQIN.ESPF10.csv
LMNW1N_SQIN.ESPF0.csv|2026-07-15
LMNW1N_SQIN.ESPF10.csv|2026-07-15
LMNW1N_SQIN.ESPFM.csv|2026-07-15
APR-SEP
SNAKE - LOWER MONUMENTAL DAM
(
LMNW1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-15
Issued:
2026-07-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
14476
21019
87
32413
24076
APR-JUL
12429
18707
86
29296
21732
JAN-SEP
20238
28845
91
41996
31844
JAN-JUL
18184
26651
90
38648
29500
OCT-SEP
25103
32593
90
47538
36407
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/LMNW1N_SQIN.ESPF10.csv
LMNW1N_SQIN.ESPF0.csv|2026-07-15
LMNW1N_SQIN.ESPF10.csv|2026-07-15
LMNW1N_SQIN.ESPFM.csv|2026-07-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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