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Archive:
Water Year
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LEWIS - MERWIN DAM
(
MEWW1
)
Forecasts for Water Year
2025
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
738
747
67
779
1122
APR-JUL
663
663
68
664
979
JAN-SEP
1873
1882
78
1914
2402
JAN-JUL
1798
1798
80
1799
2260
OCT-SEP
2878
2886
85
2919
3391
Experimental
HEFS with 15 days EQPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
APR-SEP
738
746
67
779
1122
APR-JUL
662
663
68
664
979
JAN-SEP
1873
1882
78
1914
2402
JAN-JUL
1798
1798
80
1799
2260
OCT-SEP
2878
2886
85
2918
3391
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
APR-SEP
738
749
67
782
1122
APR-JUL
662
663
68
671
979
JAN-SEP
1874
1885
78
1918
2402
JAN-JUL
1798
1798
80
1806
2260
OCT-SEP
2878
2889
85
2922
3391
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 231, 281, 322, 377, 451, 70, , 74
ESP10, 231, 281, 322, 377, 451, 73, , 77
ESP10, 231, 281, 322, 377, 451, 75, , 79
ESP10, 231, 281, 322, 377, 451, 77, , 81
ESP10, 231, 281, 322, 377, 451, 80, , 84
ESP10, 231, 281, 322, 377, 451, 82, , 86
ESP10, 231, 281, 322, 377, 451, 84, , 88
ESP10, 231, 281, 322, 377, 451, 87, , 91
ESP10, 231, 281, 322, 377, 451, 89, , 93
ESP10, 231, 281, 322, 377, 451, 91, , 95
ESP10, 231, 281, 322, 377, 451, 94, , 98
ESP10, 231, 281, 322, 377, 451, 96, , 100
ESP10, 231, 281, 322, 377, 452, 98, , 102
ESP10, 231, 281, 323, 377, 453, 101, , 105
ESP10, 231, 281, 323, 377, 453, 103, , 107
ESP10, 231, 281, 323, 377, 453, 105, , 109
ESP10, 231, 280, 323, 377, 453, 108, , 112
ESP10, 231, 280, 323, 377, 454, 110, , 114
ESP10, 231, 280, 323, 377, 454, 113, , 117
ESP10, 231, 279, 322, 377, 452, 115, , 119
ESP10, 231, 280, 323, 378, 453, 117, , 121
ESP10, 231, 279, 322, 377, 452, 120, , 124
ESP10, 230, 278, 322, 378, 452, 122, , 126
ESP10, 230, 278, 321, 377, 452, 124, , 128
ESP10, 229, 278, 321, 377, 453, 127, , 131
ESP10, 229, 277, 320, 375, 452, 129, , 133
ESP10, 231, 277, 321, 376, 453, 131, , 135
ESP10, 232, 278, 322, 376, 453, 134, , 138
ESP10, 232, 277, 321, 375, 452, 136, , 140
ESP10, 233, 278, 321, 377, 453, 138, , 142
ESP10, 232, 276, 318, 376, 451, 141, , 145
ESP10, 228, 273, 311, 374, 446, 143, , 147
ESP10, 228, 273, 310, 373, 444, 145, , 149
ESP10, 227, 272, 309, 371, 443, 148, , 152
ESP10, 221, 267, 302, 368, 437, 150, , 154
ESP10, 227, 272, 310, 375, 446, 152, , 156
ESP10, 228, 273, 312, 379, 450, 155, , 159
ESP10, 229, 273, 312, 378, 451, 157, , 161
ESP10, 229, 273, 312, 377, 451, 159, , 163
ESP10, 229, 275, 313, 377, 453, 162, , 166
ESP10, 229, 275, 316, 377, 454, 164, , 168
ESP10, 230, 277, 319, 377, 453, 166, , 170
ESP10, 226, 275, 314, 372, 447, 169, , 173
ESP10, 226, 276, 316, 371, 446, 171, , 175
ESP10, 216, 273, 307, 363, 436, 173, , 177
ESP10, 211, 265, 300, 356, 429, 176, , 180
ESP10, 211, 267, 303, 360, 430, 178, , 182
ESP10, 215, 272, 304, 367, 437, 180, , 184
ESP10, 217, 275, 308, 372, 441, 183, , 187
ESP10, 220, 279, 312, 377, 443, 185, , 189
ESP10, 217, 279, 306, 377, 440, 187, , 191
ESP10, 221, 285, 318, 384, 445, 190, , 194
ESP10, 224, 289, 322, 388, 449, 192, , 196
ESP10, 222, 288, 320, 386, 448, 195, , 199
ESP10, 221, 288, 320, 386, 447, 197, , 201
ESP10, 222, 289, 320, 386, 448, 199, , 203
ESP10, 223, 290, 321, 387, 450, 202, , 206
ESP10, 226, 293, 324, 388, 452, 204, , 208
ESP10, 227, 292, 324, 388, 451, 206, , 210
ESP10, 228, 292, 324, 387, 451, 209, , 213
ESP10, 232, 294, 325, 389, 453, 211, , 215
ESP10, 232, 292, 325, 387, 453, 213, , 217
ESP10, 227, 286, 320, 380, 446, 216, , 220
ESP10, 226, 283, 321, 378, 444, 218, , 222
ESP10, 222, 278, 316, 374, 439, 220, , 224
ESP10, 221, 275, 313, 372, 436, 223, , 227
ESP10, 221, 274, 313, 371, 435, 225, , 229
ESP10, 223, 275, 319, 372, 438, 227, , 231
ESP10, 223, 274, 318, 371, 438, 230, , 234
ESP10, 222, 272, 313, 367, 432, 232, , 236
ESP10, 228, 279, 318, 374, 438, 234, , 238
ESP10, 230, 282, 320, 376, 440, 237, , 241
ESP10, 230, 281, 321, 379, 440, 239, , 243
ESP10, 228, 276, 318, 377, 435, 241, , 245
ESP10, 226, 271, 313, 372, 430, 244, , 248
ESP10, 229, 273, 315, 374, 433, 246, , 250
ESP10, 227, 270, 314, 371, 430, 248, , 252
ESP10, 229, 270, 317, 371, 429, 251, , 255
ESP10, 226, 266, 316, 368, 427, 253, , 257
ESP10, 228, 268, 317, 373, 428, 255, , 259
ESP10, 228, 267, 318, 374, 429, 258, , 262
ESP10, 229, 268, 320, 375, 430, 260, , 264
ESP10, 228, 268, 320, 375, 431, 262, , 266
ESP10, 227, 264, 317, 371, 429, 265, , 269
ESP10, 226, 260, 315, 370, 427, 267, , 271
ESP10, 225, 259, 315, 369, 427, 269, , 273
ESP10, 229, 263, 319, 374, 431, 272, , 276
ESP10, 230, 265, 320, 376, 432, 274, , 278
ESP10, 227, 263, 317, 374, 429, 276, , 280
ESP10, 229, 266, 324, 377, 431, 279, , 283
ESP10, 230, 270, 328, 378, 432, 281, , 285
ESP10, 231, 274, 332, 379, 434, 284, , 288
ESP10, 231, 275, 330, 379, 434, 286, , 290
ESP10, 233, 279, 333, 382, 436, 288, , 292
ESP10, 233, 282, 332, 384, 436, 293, , 297
ESP10, 236, 286, 336, 386, 437, 295, , 299
ESP10, 234, 283, 333, 385, 434, 298, , 302
ESP10, 236, 284, 335, 386, 434, 300, , 304
ESP10, 236, 284, 335, 386, 434, 302, , 306
ESP10, 237, 284, 335, 389, 434, 305, , 309
ESP10, 239, 285, 336, 390, 436, 307, , 311
ESP10, 240, 287, 340, 390, 436, 309, , 313
ESP10, 236, 282, 339, 386, 432, 312, , 316
ESP10, 239, 282, 343, 386, 434, 314, , 318
ESP10, 246, 286, 350, 391, 438, 316, , 320
ESP10, 246, 286, 350, 391, 438, 319, , 323
ESP10, 246, 286, 352, 391, 441, 321, , 325
ESP10, 246, 287, 355, 392, 444, 323, , 327
ESP10, 248, 289, 360, 393, 445, 326, , 330
ESP10, 248, 289, 361, 393, 445, 328, , 332
ESP10, 248, 288, 360, 395, 444, 330, , 334
ESP10, 239, 282, 353, 386, 436, 333, , 337
ESP10, 234, 278, 349, 383, 431, 335, , 339
ESP10, 234, 279, 350, 385, 430, 337, , 341
ESP10, 237, 281, 352, 387, 432, 340, , 344
ESP10, 235, 280, 350, 385, 429, 342, , 346
ESP10, 227, 274, 340, 377, 422, 344, , 348
ESP10, 229, 276, 345, 379, 423, 347, , 351
ESP10, 226, 275, 343, 377, 421, 349, , 353
ESP10, 225, 275, 343, 376, 421, 351, , 355
ESP10, 227, 278, 347, 377, 422, 354, , 358
ESP10, 227, 275, 347, 376, 420, 356, , 360
ESP10, 224, 272, 341, 373, 416, 358, , 362
ESP10, 226, 274, 342, 376, 422, 361, , 365
ESP10, 224, 271, 337, 377, 420, 363, , 367
ESP10, 213, 260, 328, 369, 416, 366, , 370
ESP10, 207, 255, 325, 368, 415, 368, , 372
ESP10, 211, 263, 328, 372, 418, 370, , 374
ESP10, 208, 264, 328, 371, 418, 373, , 377
ESP10, 217, 270, 336, 380, 425, 375, , 379
ESP10, 224, 275, 342, 385, 432, 377, , 381
ESP10, 223, 274, 343, 384, 433, 380, , 384
ESP10, 224, 276, 344, 385, 435, 382, , 386
ESP10, 222, 276, 344, 386, 434, 384, , 388
ESP10, 224, 279, 346, 385, 435, 387, , 391
ESP10, 226, 280, 347, 386, 437, 389, , 393
ESP10, 227, 280, 347, 386, 437, 391, , 395
ESP10, 234, 282, 349, 389, 440, 394, , 398
ESP10, 244, 283, 351, 392, 444, 396, , 400
ESP10, 249, 285, 353, 395, 445, 398, , 402
ESP10, 263, 288, 355, 401, 448, 401, , 405
ESP10, 262, 286, 354, 404, 448, 403, , 407
ESP10, 261, 286, 353, 403, 446, 405, , 409
ESP10, 260, 284, 351, 401, 443, 408, , 412
ESP10, 259, 283, 352, 401, 441, 410, , 414
ESP10, 260, 282, 356, 403, 440, 412, , 416
ESP10, 260, 284, 358, 404, 442, 415, , 419
ESP10, 259, 284, 356, 403, 441, 417, , 421
ESP10, 254, 283, 355, 401, 439, 419, , 423
ESP10, 250, 282, 351, 402, 436, 422, , 426
ESP10, 248, 280, 348, 399, 432, 424, , 428
ESP10, 246, 277, 345, 397, 428, 426, , 430
ESP10, 252, 284, 351, 402, 430, 429, , 433
ESP10, 250, 286, 351, 400, 428, 431, , 435
ESP10, 242, 279, 345, 392, 421, 433, , 437
ESP10, 236, 273, 341, 385, 416, 436, , 440
ESP10, 237, 274, 344, 387, 418, 438, , 442
ESP10, 236, 275, 346, 387, 419, 440, , 444
ESP10, 233, 273, 344, 385, 416, 443, , 447
ESP10, 229, 269, 338, 380, 413, 445, , 449
ESP10, 222, 261, 329, 372, 405, 448, , 452
ESP10, 219, 256, 322, 367, 401, 450, , 454
ESP10, 219, 261, 322, 366, 403, 452, , 456
ESP10, 215, 258, 317, 359, 398, 455, , 459
ESP10, 217, 261, 320, 361, 400, 457, , 461
ESP10, 219, 269, 323, 368, 405, 459, , 463
ESP10, 221, 276, 332, 373, 406, 462, , 466
ESP10, 227, 282, 335, 373, 406, 464, , 468
ESP10, 234, 295, 343, 377, 405, 466, , 470
ESP10, 231, 284, 333, 368, 396, 469, , 473
ESP10, 225, 283, 332, 364, 393, 471, , 475
ESP10, 218, 274, 319, 353, 387, 473, , 477
ESP10, 203, 255, 299, 335, 371, 476, , 480
ESP10, 201, 249, 293, 330, 367, 478, , 482
ESP10, 210, 267, 298, 332, 372, 480, , 484
ESP10, 222, 274, 309, 343, 375, 483, , 487
ESP10, 222, 273, 314, 343, 375, 485, , 489
ESP10, 231, 275, 314, 349, 379, 487, , 491
ESP10, 258, 296, 338, 374, 405, 490, , 494
ESP10, 266, 300, 346, 382, 408, 492, , 496
ESP10, 265, 296, 341, 378, 405, 494, , 498
ESP10, 256, 294, 341, 373, 399, 497, , 501
ESP10, 239, 278, 328, 361, 386, 499, , 503
ESP10, 225, 261, 311, 352, 375, 501, , 505
ESP10, 239, 270, 321, 363, 389, 504, , 508
ESP10, 227, 258, 314, 352, 377, 506, , 510
ESP10, 244, 274, 332, 367, 395, 508, , 512
ESP10, 234, 264, 324, 359, 388, 511, , 515
ESP10, 250, 274, 336, 369, 399, 513, , 517
ESP10, 260, 291, 342, 373, 402, 515, , 519
ESP10, 265, 293, 344, 377, 404, 518, , 522
ESP10, 269, 295, 344, 379, 404, 520, , 524
ESP10, 279, 308, 344, 379, 404, 522, , 526
ESP10, 278, 316, 343, 382, 403, 525, , 529
ESP10, 279, 318, 352, 384, 407, 527, , 531
ESP10, 281, 326, 356, 382, 406, 530, , 534
ESP10, 284, 336, 363, 388, 410, 532, , 536
ESP10, 281, 334, 363, 389, 408, 534, , 538
ESP10, 286, 340, 365, 394, 412, 537, , 541
ESP10, 292, 341, 365, 395, 413, 539, , 543
ESP10, 288, 334, 362, 387, 405, 541, , 545
ESP10, 295, 340, 372, 392, 409, 544, , 548
ESP10, 309, 347, 378, 399, 413, 546, , 550
ESP10, 315, 355, 383, 403, 417, 548, , 552
ESP10, 316, 358, 385, 405, 417, 551, , 555
ESP10, 320, 359, 388, 409, 418, 553, , 557
ESP10, 322, 358, 387, 409, 417, 555, , 559
ESP10, 319, 357, 387, 408, 416, 558, , 562
ESP10, 323, 362, 392, 410, 419, 560, , 564
ESP10, 325, 368, 394, 411, 420, 562, , 566
ESP10, 326, 370, 394, 413, 420, 565, , 569
ESP10, 330, 371, 396, 413, 421, 567, , 571
ESP10, 336, 373, 396, 413, 422, 569, , 573
ESP10, 339, 373, 396, 414, 422, 572, , 576
ESP10, 344, 384, 397, 415, 423, 574, , 578
ESP10, 341, 381, 397, 416, 421, 576, , 580
ESP10, 345, 380, 401, 416, 421, 579, , 583
ESP10, 350, 384, 407, 420, 423, 581, , 585
ESP10, 353, 384, 408, 420, 424, 583, , 587
ESP10, 354, 387, 409, 421, 425, 586, , 590
ESP10, 351, 384, 409, 420, 424, 588, , 592
ESP10, 350, 388, 409, 419, 424, 590, , 594
ESP10, 355, 393, 409, 419, 424, 593, , 597
ESP10, 354, 392, 409, 419, 424, 595, , 599
ESP10, 354, 391, 409, 419, 425, 597, , 601
ESP10, 349, 389, 406, 417, 423, 600, , 604
ESP10, 344, 384, 402, 414, 422, 602, , 606
ESP10, 339, 379, 399, 409, 417, 604, , 608
ESP10, 330, 372, 391, 403, 410, 607, , 611
ESP10, 340, 382, 399, 409, 416, 609, , 613
ESP10, 356, 389, 406, 415, 422, 611, , 615
ESP10, 356, 387, 405, 414, 421, 614, , 618
ESP10, 364, 389, 408, 417, 423, 616, , 620
ESP10, 365, 398, 410, 418, 424, 619, , 623
ESP10, 363, 395, 407, 416, 420, 621, , 625
ESP10, 365, 398, 408, 417, 421, 623, , 627
ESP10, 363, 398, 409, 417, 421, 626, , 630
ESP10, 380, 407, 414, 421, 425, 628, , 632
ESP10, 385, 408, 416, 421, 425, 630, , 634
ESP10, 392, 408, 416, 421, 425, 633, , 637
ESP10, 394, 408, 416, 421, 425, 635, , 639
ESP10, 395, 408, 418, 423, 425, 637, , 641
ESP10, 397, 410, 419, 423, 426, 640, , 644
ESP10, 397, 412, 419, 423, 426, 642, , 646
ESP10, 400, 413, 419, 424, 427, 644, , 648
ESP10, 400, 414, 420, 424, 427, 647, , 651
ESP10, 400, 415, 421, 425, 427, 649, , 653
ESP10, 400, 415, 421, 425, 427, 651, , 655
ESP10, 402, 415, 421, 425, 427, 654, , 658
ESP10, 409, 422, 427, 430, 431, 677, , 681
ESP10, 410, 423, 427, 430, 431, 679, , 683
ESP10, 411, 424, 428, 431, 432, 682, , 686
ESP10, 411, 423, 428, 430, 432, 684, , 688
ESP10, 413, 423, 427, 430, 431, 686, , 690
ESP10, 413, 423, 428, 430, 431, 689, , 693
ESP10, 413, 423, 427, 430, 431, 691, , 695
ESP10, 413, 423, 428, 430, 431, 693, , 697
ESP10, 413, 423, 428, 430, 431, 696, , 700
ESP10, 416, 426, 431, 433, 434, 698, , 702
ESP10, 413, 424, 428, 431, 432, 701, , 705
ESP10, 413, 424, 428, 431, 431, 703, , 707
ESP10, 413, 424, 428, 431, 431, 705, , 709
ESP10, 414, 424, 428, 431, 431, 708, , 712
ESP10, 414, 424, 428, 431, 432, 710, , 714
ESP10, 415, 424, 428, 431, 432, 712, , 716
ESP10, 415, 424, 428, 431, 432, 715, , 719
ESP10, 421, 427, 431, 434, 435, 717, , 721
ESP10, 421, 427, 431, 434, 435, 719, , 723
ESP10, 421, 427, 432, 434, 435, 722, , 726
ESP10, 421, 427, 432, 434, 435, 724, , 728
ESP10, 421, 428, 432, 434, 435, 726, , 730
ESP10, 421, 429, 432, 434, 435, 729, , 733
ESP10, 421, 429, 432, 434, 435, 731, , 735
ESP10, 421, 429, 432, 435, 435, 733, , 737
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/natural/MEWW1N_SQIN.ESPF10.csv
MEWW1N_QINE.ESPF0.csv|2025-07-12
MEWW1N_QINE.ESPF10.csv|2025-07-12
MEWW1N_QINE.ESPFM.csv|2025-07-12
MEWW1N_SQIN.ESPF0.csv|2025-07-12
MEWW1N_SQIN.ESPF10.csv|2025-07-12
MEWW1N_SQIN.ESPFM.csv|2025-07-12
APR-SEP
LEWIS - MERWIN DAM
(
MEWW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-12
Issued:
2025-07-12
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
693
1052
94
1324
1122
APR-JUL
608
930
95
1206
979
JAN-SEP
1725
2345
98
2903
2402
JAN-JUL
1596
2216
98
2761
2260
OCT-SEP
2560
3281
97
4208
3391
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/MEWW1N_SQIN.ESPF10.csv
MEWW1N_QINE.ESPF0.csv|2025-07-12
MEWW1N_QINE.ESPF10.csv|2025-07-12
MEWW1N_QINE.ESPFM.csv|2025-07-12
MEWW1N_SQIN.ESPF0.csv|2025-07-12
MEWW1N_SQIN.ESPF10.csv|2025-07-12
MEWW1N_SQIN.ESPFM.csv|2025-07-12
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
