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Archive:
Water Year
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LEWIS - MERWIN DAM
(
MEWW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-05-01
Issued:
2026-05-01
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
553
622
55
799
1122
APR-JUL
476
538
55
663
979
JAN-SEP
1783
1852
77
2029
2402
JAN-JUL
1706
1768
78
1894
2260
OCT-SEP
3072
3141
93
3318
3391
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-05-01
Issued:
2026-05-01
Hide Forecast
APR-SEP
553
616
55
795
1122
APR-JUL
476
527
54
659
979
JAN-SEP
1783
1846
77
2025
2402
JAN-JUL
1706
1757
78
1889
2260
OCT-SEP
3071
3135
92
3314
3391
Reference
ESP with 0 Days QPF
Ensemble:
2026-05-01
Issued:
2026-05-01
Hide Forecast
APR-SEP
566
666
59
878
1122
APR-JUL
491
585
60
741
979
JAN-SEP
1797
1896
79
2108
2402
JAN-JUL
1721
1815
80
1971
2260
OCT-SEP
3085
3185
94
3397
3391
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 222, 271, 317, 367, 442, 71, , 75
ESP10, 222, 271, 317, 367, 442, 74, , 78
ESP10, 222, 271, 317, 367, 442, 77, , 81
ESP10, 222, 271, 317, 367, 442, 81, , 85
ESP10, 222, 271, 317, 367, 442, 84, , 88
ESP10, 222, 271, 317, 367, 442, 87, , 91
ESP10, 222, 271, 317, 367, 442, 90, , 94
ESP10, 222, 271, 317, 367, 442, 93, , 97
ESP10, 222, 271, 317, 367, 442, 96, , 100
ESP10, 222, 271, 317, 367, 442, 99, , 103
ESP10, 222, 271, 317, 367, 442, 102, , 106
ESP10, 222, 271, 317, 367, 442, 106, , 110
ESP10, 222, 271, 317, 367, 443, 109, , 113
ESP10, 222, 271, 317, 367, 443, 112, , 116
ESP10, 222, 271, 317, 367, 444, 115, , 119
ESP10, 222, 271, 317, 367, 443, 118, , 122
ESP10, 222, 270, 317, 367, 443, 121, , 125
ESP10, 222, 271, 317, 366, 443, 124, , 128
ESP10, 222, 270, 317, 366, 442, 127, , 131
ESP10, 222, 271, 317, 368, 443, 131, , 135
ESP10, 221, 270, 317, 367, 442, 134, , 138
ESP10, 222, 271, 317, 369, 444, 137, , 141
ESP10, 222, 271, 317, 368, 444, 140, , 144
ESP10, 222, 271, 317, 368, 444, 143, , 147
ESP10, 222, 272, 317, 369, 445, 146, , 150
ESP10, 223, 272, 317, 369, 446, 149, , 153
ESP10, 224, 273, 317, 369, 446, 153, , 157
ESP10, 225, 273, 317, 370, 446, 156, , 160
ESP10, 225, 273, 317, 369, 446, 159, , 163
ESP10, 226, 273, 317, 370, 446, 162, , 166
ESP10, 226, 272, 316, 371, 445, 165, , 169
ESP10, 226, 273, 317, 373, 446, 168, , 172
ESP10, 227, 273, 316, 373, 446, 171, , 175
ESP10, 228, 273, 317, 373, 446, 174, , 178
ESP10, 229, 273, 317, 375, 446, 178, , 182
ESP10, 229, 273, 317, 376, 448, 181, , 185
ESP10, 229, 274, 317, 378, 449, 184, , 188
ESP10, 229, 273, 316, 376, 449, 187, , 191
ESP10, 229, 272, 315, 375, 449, 190, , 194
ESP10, 229, 274, 315, 376, 450, 193, , 197
ESP10, 230, 275, 316, 376, 452, 196, , 200
ESP10, 230, 276, 318, 377, 452, 199, , 203
ESP10, 229, 276, 317, 375, 449, 203, , 207
ESP10, 232, 282, 323, 380, 454, 206, , 210
ESP10, 232, 286, 324, 381, 454, 209, , 213
ESP10, 231, 285, 323, 380, 452, 212, , 216
ESP10, 232, 287, 326, 384, 455, 215, , 219
ESP10, 232, 288, 328, 385, 455, 218, , 222
ESP10, 229, 286, 326, 384, 452, 221, , 225
ESP10, 231, 288, 327, 386, 453, 225, , 229
ESP10, 232, 290, 327, 389, 454, 228, , 232
ESP10, 231, 291, 327, 391, 453, 231, , 235
ESP10, 230, 292, 328, 390, 453, 234, , 238
ESP10, 233, 294, 331, 392, 455, 237, , 241
ESP10, 232, 294, 330, 391, 455, 240, , 244
ESP10, 233, 296, 330, 393, 456, 243, , 247
ESP10, 234, 297, 330, 393, 456, 246, , 250
ESP10, 235, 302, 331, 392, 456, 250, , 254
ESP10, 236, 302, 331, 392, 456, 253, , 257
ESP10, 236, 301, 330, 391, 455, 256, , 260
ESP10, 242, 304, 332, 393, 458, 259, , 263
ESP10, 242, 304, 335, 394, 459, 262, , 266
ESP10, 242, 305, 336, 394, 460, 265, , 269
ESP10, 242, 303, 336, 392, 458, 268, , 272
ESP10, 245, 306, 340, 395, 461, 272, , 276
ESP10, 246, 306, 341, 395, 462, 275, , 279
ESP10, 247, 307, 342, 395, 462, 278, , 282
ESP10, 248, 307, 343, 396, 463, 281, , 285
ESP10, 249, 307, 343, 396, 464, 284, , 288
ESP10, 249, 307, 343, 395, 463, 287, , 291
ESP10, 239, 295, 332, 386, 453, 290, , 294
ESP10, 237, 293, 329, 384, 450, 293, , 297
ESP10, 236, 291, 329, 385, 449, 297, , 301
ESP10, 240, 294, 333, 390, 451, 300, , 304
ESP10, 241, 294, 335, 390, 452, 303, , 307
ESP10, 243, 294, 335, 391, 453, 306, , 310
ESP10, 241, 291, 336, 388, 451, 309, , 313
ESP10, 243, 291, 336, 388, 451, 312, , 316
ESP10, 242, 290, 339, 388, 450, 315, , 319
ESP10, 241, 287, 337, 389, 447, 318, , 322
ESP10, 247, 293, 344, 396, 455, 322, , 326
ESP10, 246, 292, 346, 395, 454, 325, , 329
ESP10, 250, 296, 351, 399, 459, 328, , 332
ESP10, 252, 297, 351, 400, 461, 331, , 335
ESP10, 251, 294, 348, 398, 459, 334, , 338
ESP10, 248, 290, 345, 395, 457, 337, , 341
ESP10, 250, 289, 344, 395, 457, 340, , 344
ESP10, 251, 292, 346, 398, 459, 344, , 348
ESP10, 251, 292, 347, 399, 459, 347, , 351
ESP10, 252, 295, 350, 400, 460, 350, , 354
ESP10, 253, 300, 354, 404, 461, 353, , 357
ESP10, 251, 300, 354, 402, 460, 356, , 360
ESP10, 249, 298, 350, 399, 457, 359, , 363
ESP10, 249, 300, 352, 399, 456, 362, , 366
ESP10, 246, 298, 351, 399, 454, 365, , 369
ESP10, 246, 297, 349, 398, 453, 369, , 373
ESP10, 246, 297, 351, 399, 452, 372, , 376
ESP10, 250, 302, 355, 403, 456, 375, , 379
ESP10, 252, 304, 356, 404, 455, 378, , 382
ESP10, 252, 304, 355, 404, 454, 381, , 385
ESP10, 254, 304, 355, 406, 454, 384, , 388
ESP10, 255, 304, 355, 406, 454, 387, , 391
ESP10, 256, 305, 356, 406, 454, 390, , 394
ESP10, 257, 305, 359, 407, 454, 394, , 398
ESP10, 261, 305, 363, 408, 456, 397, , 401
ESP10, 263, 304, 368, 407, 456, 400, , 404
ESP10, 260, 302, 367, 405, 455, 403, , 407
ESP10, 262, 304, 371, 407, 459, 406, , 410
ESP10, 262, 306, 374, 409, 462, 409, , 413
ESP10, 266, 309, 379, 412, 464, 412, , 416
ESP10, 265, 308, 380, 412, 463, 416, , 420
ESP10, 265, 309, 380, 414, 464, 419, , 423
ESP10, 267, 310, 382, 416, 465, 422, , 426
ESP10, 267, 310, 382, 418, 465, 425, , 429
ESP10, 267, 311, 382, 419, 466, 428, , 432
ESP10, 268, 312, 383, 421, 466, 431, , 435
ESP10, 270, 314, 387, 424, 468, 434, , 438
ESP10, 267, 312, 386, 421, 466, 437, , 441
ESP10, 268, 312, 387, 421, 467, 441, , 445
ESP10, 269, 314, 387, 422, 468, 444, , 448
ESP10, 265, 313, 385, 419, 465, 447, , 451
ESP10, 267, 314, 387, 422, 466, 450, , 454
ESP10, 263, 312, 383, 416, 461, 453, , 457
ESP10, 265, 313, 382, 415, 461, 456, , 460
ESP10, 266, 315, 382, 422, 465, 459, , 463
ESP10, 266, 315, 381, 423, 465, 462, , 466
ESP10, 264, 313, 378, 421, 465, 466, , 470
ESP10, 266, 316, 381, 426, 466, 469, , 473
ESP10, 263, 315, 378, 424, 463, 472, , 476
ESP10, 262, 315, 379, 424, 464, 475, , 479
ESP10, 263, 315, 378, 423, 465, 478, , 482
ESP10, 263, 313, 376, 421, 467, 481, , 485
ESP10, 256, 305, 373, 416, 463, 484, , 488
ESP10, 254, 302, 374, 416, 464, 488, , 492
ESP10, 252, 303, 373, 416, 463, 491, , 495
ESP10, 244, 294, 366, 407, 456, 494, , 498
ESP10, 248, 300, 369, 409, 458, 497, , 501
ESP10, 253, 305, 372, 414, 462, 500, , 504
ESP10, 246, 295, 364, 405, 453, 503, , 507
ESP10, 268, 302, 370, 415, 460, 506, , 510
ESP10, 271, 304, 369, 417, 457, 509, , 513
ESP10, 282, 307, 372, 421, 461, 513, , 517
ESP10, 283, 309, 373, 422, 462, 516, , 520
ESP10, 285, 311, 375, 422, 463, 519, , 523
ESP10, 289, 315, 380, 425, 467, 522, , 526
ESP10, 291, 317, 385, 425, 467, 525, , 529
ESP10, 289, 314, 383, 425, 465, 528, , 532
ESP10, 285, 311, 380, 423, 461, 531, , 535
ESP10, 283, 313, 384, 427, 460, 534, , 538
ESP10, 281, 312, 386, 428, 459, 538, , 542
ESP10, 282, 313, 386, 432, 460, 541, , 545
ESP10, 281, 317, 385, 431, 458, 544, , 548
ESP10, 280, 314, 382, 429, 454, 547, , 551
ESP10, 274, 307, 375, 422, 448, 550, , 554
ESP10, 268, 303, 370, 417, 442, 553, , 557
ESP10, 265, 302, 369, 413, 439, 556, , 560
ESP10, 265, 302, 369, 414, 441, 560, , 564
ESP10, 262, 298, 369, 411, 440, 563, , 567
ESP10, 262, 299, 373, 412, 441, 566, , 570
ESP10, 266, 305, 379, 418, 446, 569, , 573
ESP10, 262, 303, 373, 411, 442, 572, , 576
ESP10, 263, 303, 370, 410, 441, 575, , 579
ESP10, 276, 314, 380, 424, 453, 578, , 582
ESP10, 276, 313, 378, 423, 456, 581, , 585
ESP10, 279, 317, 378, 424, 457, 585, , 589
ESP10, 270, 312, 374, 417, 450, 588, , 592
ESP10, 263, 309, 368, 412, 444, 591, , 595
ESP10, 270, 322, 386, 422, 454, 594, , 598
ESP10, 280, 336, 390, 426, 462, 597, , 601
ESP10, 289, 349, 399, 432, 464, 600, , 604
ESP10, 294, 349, 399, 431, 465, 603, , 607
ESP10, 294, 353, 401, 433, 469, 607, , 611
ESP10, 296, 353, 401, 432, 467, 610, , 614
ESP10, 292, 346, 392, 426, 458, 613, , 617
ESP10, 292, 344, 388, 422, 457, 616, , 620
ESP10, 306, 362, 395, 429, 467, 619, , 623
ESP10, 305, 358, 392, 423, 456, 622, , 626
ESP10, 316, 366, 403, 432, 466, 625, , 629
ESP10, 325, 367, 408, 442, 472, 628, , 632
ESP10, 330, 368, 409, 446, 475, 632, , 636
ESP10, 340, 372, 416, 451, 479, 635, , 639
ESP10, 345, 380, 421, 457, 485, 638, , 642
ESP10, 345, 385, 425, 461, 488, 641, , 645
ESP10, 344, 384, 434, 464, 489, 644, , 648
ESP10, 344, 382, 432, 469, 494, 647, , 651
ESP10, 350, 383, 433, 471, 498, 650, , 654
ESP10, 347, 380, 429, 469, 495, 653, , 657
ESP10, 355, 384, 441, 474, 503, 657, , 661
ESP10, 347, 375, 430, 463, 493, 660, , 664
ESP10, 344, 366, 421, 454, 485, 663, , 667
ESP10, 344, 379, 423, 454, 482, 666, , 670
ESP10, 339, 371, 414, 448, 473, 669, , 673
ESP10, 338, 367, 409, 443, 468, 672, , 676
ESP10, 349, 380, 412, 448, 472, 675, , 679
ESP10, 350, 388, 415, 454, 473, 679, , 683
ESP10, 357, 395, 425, 460, 481, 682, , 686
ESP10, 360, 402, 432, 463, 481, 685, , 689
ESP10, 362, 408, 436, 468, 483, 688, , 692
ESP10, 365, 412, 448, 472, 486, 691, , 695
ESP10, 367, 417, 447, 471, 485, 694, , 698
ESP10, 374, 423, 449, 473, 488, 697, , 701
ESP10, 378, 424, 452, 474, 488, 700, , 704
ESP10, 382, 424, 450, 472, 485, 704, , 708
ESP10, 387, 424, 453, 470, 482, 707, , 711
ESP10, 392, 428, 456, 473, 486, 710, , 714
ESP10, 394, 433, 459, 476, 489, 713, , 717
ESP10, 397, 433, 460, 477, 489, 716, , 720
ESP10, 402, 435, 464, 481, 489, 719, , 723
ESP10, 402, 437, 467, 482, 490, 722, , 726
ESP10, 403, 439, 466, 481, 490, 725, , 729
ESP10, 403, 440, 466, 482, 490, 729, , 733
ESP10, 405, 443, 466, 484, 490, 732, , 736
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ESP10
HEFS
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Data Files
/chpsesp/ensemble/natural/MEWW1N_SQIN.ESPF10.csv
MEWW1N_QINE.ESPF0.csv|2026-05-01
MEWW1N_QINE.ESPF10.csv|2026-05-01
MEWW1N_QINE.ESPFM.csv|2026-05-01
MEWW1N_SQIN.ESPF0.csv|2026-05-01
MEWW1N_SQIN.ESPF10.csv|2026-05-01
MEWW1N_SQIN.ESPFM.csv|2026-05-01
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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