Choose Date:
Archive:
Water Year
Loading...
LEWIS - MERWIN DAM
(
MEWW1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-01-05
Issued:
2026-01-05
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
661
958
89
1256
1082
APR-JUL
568
839
95
1147
881
JAN-SEP
1699
2155
91
2713
2363
JAN-JUL
1565
2058
95
2609
2162
OCT-SEP
2984
3439
101
3997
3417
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-01-05
Issued:
2026-01-05
Hide Forecast
APR-SEP
646
957
88
1240
1082
APR-JUL
554
830
94
1133
881
JAN-SEP
1660
2146
91
2652
2363
JAN-JUL
1568
2015
93
2524
2162
OCT-SEP
2945
3431
100
3937
3417
Reference
ESP with 0 Days QPF
Ensemble:
2026-01-05
Issued:
2026-01-05
Hide Forecast
APR-SEP
642
969
89
1245
1082
APR-JUL
550
844
96
1141
881
JAN-SEP
1693
2241
95
2808
2363
JAN-JUL
1578
2130
99
2696
2162
OCT-SEP
2977
3526
103
4092
3417
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 227, 276, 322, 372, 448, 75, , 79
ESP10, 227, 276, 322, 372, 448, 82, , 86
ESP10, 227, 276, 322, 372, 448, 89, , 93
ESP10, 227, 276, 322, 372, 448, 95, , 99
ESP10, 227, 276, 322, 372, 448, 102, , 106
ESP10, 227, 276, 322, 372, 448, 109, , 113
ESP10, 227, 276, 322, 372, 448, 116, , 120
ESP10, 227, 276, 322, 372, 448, 123, , 127
ESP10, 227, 276, 322, 372, 448, 130, , 134
ESP10, 227, 276, 322, 372, 448, 136, , 140
ESP10, 227, 276, 322, 372, 448, 143, , 147
ESP10, 227, 276, 322, 372, 448, 150, , 154
ESP10, 227, 276, 322, 372, 449, 157, , 161
ESP10, 227, 276, 322, 372, 450, 164, , 168
ESP10, 227, 276, 322, 372, 450, 171, , 175
ESP10, 226, 276, 322, 372, 450, 177, , 181
ESP10, 226, 275, 322, 372, 449, 184, , 188
ESP10, 226, 275, 322, 372, 449, 191, , 195
ESP10, 226, 275, 322, 371, 448, 198, , 202
ESP10, 226, 276, 322, 373, 449, 205, , 209
ESP10, 226, 275, 322, 372, 448, 212, , 216
ESP10, 226, 276, 322, 374, 450, 218, , 222
ESP10, 226, 276, 322, 374, 450, 225, , 229
ESP10, 226, 276, 322, 374, 450, 232, , 236
ESP10, 227, 277, 322, 374, 452, 239, , 243
ESP10, 228, 277, 322, 374, 452, 246, , 250
ESP10, 229, 278, 322, 374, 452, 253, , 257
ESP10, 230, 278, 322, 375, 452, 259, , 263
ESP10, 230, 278, 322, 374, 452, 266, , 270
ESP10, 230, 277, 322, 375, 452, 273, , 277
ESP10, 230, 277, 322, 376, 451, 280, , 284
ESP10, 231, 278, 322, 378, 452, 287, , 291
ESP10, 231, 278, 321, 378, 452, 294, , 298
ESP10, 233, 278, 322, 379, 453, 300, , 304
ESP10, 234, 278, 322, 380, 452, 307, , 311
ESP10, 234, 278, 322, 382, 454, 314, , 318
ESP10, 234, 279, 322, 383, 455, 321, , 325
ESP10, 233, 277, 321, 381, 455, 328, , 332
ESP10, 233, 277, 320, 381, 455, 335, , 339
ESP10, 233, 278, 320, 381, 457, 341, , 345
ESP10, 234, 279, 321, 382, 458, 348, , 352
ESP10, 234, 281, 323, 383, 458, 355, , 359
ESP10, 233, 281, 322, 381, 455, 362, , 366
ESP10, 237, 287, 328, 386, 460, 369, , 373
ESP10, 236, 291, 329, 387, 460, 376, , 380
ESP10, 235, 290, 328, 385, 458, 382, , 386
ESP10, 237, 292, 331, 390, 461, 389, , 393
ESP10, 237, 293, 333, 391, 461, 396, , 400
ESP10, 234, 291, 331, 390, 459, 403, , 407
ESP10, 236, 293, 332, 392, 459, 410, , 414
ESP10, 237, 295, 332, 395, 460, 417, , 421
ESP10, 235, 296, 332, 396, 459, 424, , 428
ESP10, 234, 297, 332, 396, 459, 430, , 434
ESP10, 237, 299, 335, 397, 461, 437, , 441
ESP10, 236, 299, 335, 397, 461, 444, , 448
ESP10, 238, 301, 335, 398, 462, 451, , 455
ESP10, 238, 302, 335, 398, 463, 458, , 462
ESP10, 240, 307, 336, 398, 463, 465, , 469
ESP10, 241, 307, 336, 398, 463, 471, , 475
ESP10, 241, 306, 335, 396, 462, 478, , 482
ESP10, 246, 309, 337, 398, 464, 485, , 489
ESP10, 246, 309, 340, 399, 465, 492, , 496
ESP10, 247, 310, 341, 400, 466, 499, , 503
ESP10, 246, 308, 341, 398, 464, 506, , 510
ESP10, 250, 311, 345, 400, 467, 512, , 516
ESP10, 251, 311, 346, 401, 468, 519, , 523
ESP10, 251, 312, 347, 401, 469, 526, , 530
ESP10, 252, 312, 348, 401, 470, 533, , 537
ESP10, 253, 312, 348, 402, 470, 540, , 544
ESP10, 254, 312, 348, 401, 470, 547, , 551
ESP10, 244, 300, 337, 392, 459, 553, , 557
ESP10, 242, 298, 334, 390, 457, 560, , 564
ESP10, 240, 296, 335, 391, 455, 567, , 571
ESP10, 244, 299, 338, 396, 458, 574, , 578
ESP10, 246, 299, 340, 396, 458, 581, , 585
ESP10, 247, 299, 341, 396, 460, 588, , 592
ESP10, 246, 296, 341, 394, 457, 594, , 598
ESP10, 247, 296, 341, 394, 457, 601, , 605
ESP10, 246, 294, 344, 394, 456, 608, , 612
ESP10, 245, 291, 342, 395, 453, 615, , 619
ESP10, 251, 297, 349, 401, 461, 622, , 626
ESP10, 250, 297, 351, 401, 460, 629, , 633
ESP10, 254, 301, 356, 405, 465, 635, , 639
ESP10, 256, 301, 356, 406, 467, 642, , 646
ESP10, 255, 298, 353, 403, 466, 649, , 653
ESP10, 252, 294, 350, 400, 463, 656, , 660
ESP10, 253, 294, 349, 400, 464, 663, , 667
ESP10, 255, 297, 351, 403, 466, 670, , 674
ESP10, 255, 297, 352, 404, 465, 676, , 680
ESP10, 255, 299, 355, 406, 466, 683, , 687
ESP10, 257, 304, 360, 409, 467, 690, , 694
ESP10, 255, 304, 359, 407, 466, 697, , 701
ESP10, 253, 303, 356, 404, 464, 704, , 708
ESP10, 253, 304, 357, 405, 462, 711, , 715
ESP10, 251, 303, 356, 405, 460, 717, , 721
ESP10, 250, 302, 355, 404, 459, 724, , 728
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/watersupply/MEWW1W_SQIN.ESPF10.csv
MEWW1W_SQIN.ESPF0.csv|2026-01-05
MEWW1W_SQIN.ESPF10.csv|2026-01-05
MEWW1W_SQIN.ESPFM.csv|2026-01-05
APR-SEP
Commerce Home
|
NOAA
|
NWS Organization
|
NWRFC Site Map
|
Search
Freedom of Information Act
|
Privacy Policy
|
Information Quality
|
USA.gov
|
Career Opportunities
#FFF68F
#33CCFF
#404040
#660066
#F00007
#66CCFF
ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
