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Archive:
Water Year
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METHOW - AT WINTHROP
(
WTHW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
574
574
75
574
767
APR-JUL
547
547
76
547
723
APR-AUG
561
561
75
562
751
JAN-SEP
768
768
92
769
831
JAN-JUL
742
742
94
742
788
OCT-SEP
913
913
102
913
899
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
574
574
75
574
767
APR-JUL
547
547
76
547
723
APR-AUG
561
561
75
562
751
JAN-SEP
768
768
92
769
831
JAN-JUL
742
742
94
742
788
OCT-SEP
913
913
102
914
899
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
574
574
75
575
767
APR-JUL
547
547
76
547
723
APR-AUG
561
561
75
562
751
JAN-SEP
768
768
92
769
831
JAN-JUL
742
742
94
742
788
OCT-SEP
913
913
102
914
899
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 305, 355, 412, 447, 476, 70, , 74
ESP10, 304, 354, 412, 445, 475, 72, , 76
ESP10, 305, 355, 415, 450, 476, 74, , 78
ESP10, 308, 355, 416, 450, 476, 76, , 80
ESP10, 308, 354, 415, 449, 475, 78, , 82
ESP10, 309, 354, 416, 450, 477, 81, , 85
ESP10, 313, 353, 414, 448, 476, 83, , 87
ESP10, 316, 354, 414, 449, 477, 85, , 89
ESP10, 315, 354, 418, 448, 477, 87, , 91
ESP10, 311, 350, 416, 445, 474, 89, , 93
ESP10, 315, 355, 419, 447, 475, 91, , 95
ESP10, 312, 356, 419, 443, 474, 93, , 97
ESP10, 301, 348, 409, 433, 466, 95, , 99
ESP10, 300, 346, 408, 431, 465, 97, , 101
ESP10, 292, 339, 401, 426, 460, 99, , 103
ESP10, 274, 322, 385, 413, 448, 101, , 105
ESP10, 265, 313, 377, 409, 442, 103, , 107
ESP10, 276, 323, 387, 418, 450, 106, , 110
ESP10, 284, 329, 396, 423, 456, 108, , 112
ESP10, 285, 329, 394, 425, 454, 110, , 114
ESP10, 277, 336, 385, 418, 451, 112, , 116
ESP10, 272, 333, 385, 413, 448, 114, , 118
ESP10, 256, 319, 375, 400, 438, 116, , 120
ESP10, 267, 328, 384, 412, 447, 118, , 122
ESP10, 272, 330, 386, 415, 449, 120, , 124
ESP10, 268, 331, 380, 411, 444, 122, , 126
ESP10, 267, 327, 376, 410, 441, 124, , 128
ESP10, 270, 328, 376, 410, 441, 126, , 130
ESP10, 261, 320, 369, 402, 435, 129, , 133
ESP10, 251, 317, 364, 397, 430, 131, , 135
ESP10, 241, 309, 359, 390, 423, 133, , 137
ESP10, 245, 316, 363, 398, 430, 135, , 139
ESP10, 243, 313, 360, 397, 433, 137, , 141
ESP10, 262, 332, 375, 416, 445, 139, , 143
ESP10, 264, 330, 372, 413, 443, 141, , 145
ESP10, 262, 328, 370, 411, 440, 143, , 147
ESP10, 266, 329, 372, 414, 441, 145, , 149
ESP10, 287, 352, 392, 431, 457, 147, , 151
ESP10, 290, 356, 398, 435, 460, 149, , 153
ESP10, 287, 351, 394, 431, 457, 151, , 155
ESP10, 287, 351, 395, 430, 458, 154, , 158
ESP10, 278, 344, 390, 424, 453, 156, , 160
ESP10, 278, 347, 392, 425, 453, 158, , 162
ESP10, 276, 349, 395, 422, 451, 160, , 164
ESP10, 275, 354, 397, 422, 452, 162, , 166
ESP10, 277, 356, 399, 428, 454, 164, , 168
ESP10, 266, 349, 390, 421, 450, 166, , 170
ESP10, 277, 354, 394, 429, 454, 168, , 172
ESP10, 276, 352, 392, 427, 453, 170, , 174
ESP10, 278, 353, 398, 429, 454, 172, , 176
ESP10, 278, 355, 399, 428, 453, 174, , 178
ESP10, 277, 356, 399, 427, 451, 177, , 181
ESP10, 280, 358, 404, 428, 452, 179, , 183
ESP10, 291, 370, 416, 435, 459, 181, , 185
ESP10, 300, 376, 420, 438, 462, 183, , 187
ESP10, 301, 380, 419, 438, 465, 185, , 189
ESP10, 285, 369, 407, 427, 457, 187, , 191
ESP10, 286, 366, 404, 427, 455, 189, , 193
ESP10, 290, 373, 406, 429, 458, 191, , 195
ESP10, 272, 357, 394, 421, 451, 193, , 197
ESP10, 269, 353, 390, 417, 448, 195, , 199
ESP10, 266, 352, 389, 420, 448, 197, , 201
ESP10, 245, 332, 373, 403, 434, 199, , 203
ESP10, 236, 320, 364, 392, 426, 202, , 206
ESP10, 209, 296, 342, 368, 404, 204, , 208
ESP10, 195, 283, 329, 356, 392, 206, , 210
ESP10, 212, 298, 343, 373, 407, 208, , 212
ESP10, 191, 285, 323, 354, 392, 210, , 214
ESP10, 167, 265, 300, 332, 370, 212, , 216
ESP10, 155, 255, 286, 321, 359, 214, , 218
ESP10, 159, 260, 292, 324, 361, 216, , 220
ESP10, 165, 264, 295, 327, 367, 218, , 222
ESP10, 162, 261, 295, 327, 365, 220, , 224
ESP10, 160, 258, 292, 324, 365, 222, , 226
ESP10, 161, 254, 289, 323, 362, 225, , 229
ESP10, 154, 247, 282, 319, 356, 227, , 231
ESP10, 156, 246, 282, 318, 355, 229, , 233
ESP10, 161, 242, 280, 317, 353, 231, , 235
ESP10, 159, 234, 275, 309, 347, 233, , 237
ESP10, 160, 231, 270, 305, 343, 235, , 239
ESP10, 172, 242, 283, 315, 352, 237, , 241
ESP10, 179, 245, 288, 319, 355, 239, , 243
ESP10, 184, 251, 296, 331, 360, 241, , 245
ESP10, 184, 252, 300, 335, 360, 243, , 247
ESP10, 181, 250, 299, 332, 357, 245, , 249
ESP10, 178, 245, 295, 327, 358, 248, , 252
ESP10, 183, 255, 298, 329, 369, 250, , 254
ESP10, 185, 262, 302, 335, 377, 252, , 256
ESP10, 184, 263, 302, 336, 375, 254, , 258
ESP10, 174, 255, 293, 327, 369, 256, , 260
ESP10, 183, 257, 295, 330, 370, 258, , 262
ESP10, 187, 257, 294, 331, 369, 260, , 264
ESP10, 186, 254, 293, 328, 365, 262, , 266
ESP10, 188, 254, 292, 327, 364, 264, , 268
ESP10, 181, 250, 287, 321, 358, 266, , 270
ESP10, 185, 255, 291, 326, 360, 268, , 272
ESP10, 212, 275, 310, 348, 379, 270, , 274
ESP10, 219, 275, 308, 345, 378, 273, , 277
ESP10, 219, 276, 308, 343, 377, 275, , 279
ESP10, 221, 276, 308, 343, 379, 277, , 281
ESP10, 223, 276, 309, 341, 380, 279, , 283
ESP10, 224, 276, 312, 342, 380, 281, , 285
ESP10, 223, 279, 311, 341, 380, 283, , 287
ESP10, 228, 277, 313, 339, 379, 285, , 289
ESP10, 236, 279, 316, 340, 381, 287, , 291
ESP10, 233, 277, 316, 337, 379, 289, , 293
ESP10, 232, 276, 314, 335, 377, 291, , 295
ESP10, 234, 282, 317, 337, 379, 293, , 297
ESP10, 240, 287, 319, 338, 379, 296, , 300
ESP10, 250, 292, 323, 344, 383, 298, , 302
ESP10, 255, 291, 322, 348, 384, 300, , 304
ESP10, 259, 296, 326, 351, 389, 302, , 306
ESP10, 257, 302, 324, 349, 387, 304, , 308
ESP10, 261, 309, 330, 355, 392, 306, , 310
ESP10, 258, 307, 327, 352, 392, 308, , 312
ESP10, 251, 299, 318, 350, 384, 310, , 314
ESP10, 256, 300, 320, 350, 385, 312, , 316
ESP10, 267, 305, 327, 354, 391, 314, , 318
ESP10, 274, 310, 329, 355, 394, 316, , 320
ESP10, 277, 313, 331, 358, 397, 318, , 322
ESP10, 284, 318, 338, 374, 402, 321, , 325
ESP10, 281, 317, 337, 373, 399, 323, , 327
ESP10, 271, 309, 327, 363, 390, 325, , 329
ESP10, 273, 312, 327, 363, 389, 327, , 331
ESP10, 272, 313, 327, 359, 389, 329, , 333
ESP10, 273, 313, 326, 358, 389, 331, , 335
ESP10, 273, 309, 324, 352, 387, 333, , 337
ESP10, 278, 313, 330, 356, 393, 335, , 339
ESP10, 278, 314, 329, 355, 393, 337, , 341
ESP10, 282, 318, 332, 360, 395, 339, , 343
ESP10, 284, 318, 334, 362, 394, 341, , 345
ESP10, 286, 319, 340, 368, 395, 344, , 348
ESP10, 283, 314, 336, 363, 389, 346, , 350
ESP10, 285, 314, 336, 363, 388, 348, , 352
ESP10, 291, 311, 336, 361, 385, 350, , 354
ESP10, 285, 305, 331, 356, 378, 352, , 356
ESP10, 286, 308, 329, 357, 375, 354, , 358
ESP10, 295, 316, 337, 365, 382, 356, , 360
ESP10, 288, 310, 331, 359, 374, 358, , 362
ESP10, 294, 316, 337, 366, 381, 360, , 364
ESP10, 290, 314, 332, 359, 375, 362, , 366
ESP10, 293, 318, 333, 361, 377, 364, , 368
ESP10, 292, 320, 334, 360, 375, 366, , 370
ESP10, 303, 330, 342, 370, 383, 369, , 373
ESP10, 309, 335, 348, 376, 388, 371, , 375
ESP10, 313, 338, 351, 377, 389, 373, , 377
ESP10, 312, 337, 351, 378, 389, 375, , 379
ESP10, 309, 334, 348, 375, 384, 377, , 381
ESP10, 309, 336, 349, 374, 384, 379, , 383
ESP10, 307, 333, 349, 373, 383, 381, , 385
ESP10, 307, 332, 350, 374, 383, 383, , 387
ESP10, 305, 329, 348, 371, 381, 385, , 389
ESP10, 301, 322, 345, 363, 373, 387, , 391
ESP10, 296, 318, 346, 359, 369, 389, , 393
ESP10, 289, 308, 337, 351, 361, 392, , 396
ESP10, 288, 306, 332, 348, 358, 394, , 398
ESP10, 282, 299, 324, 341, 352, 396, , 400
ESP10, 280, 297, 320, 337, 349, 398, , 402
ESP10, 278, 297, 318, 334, 348, 400, , 404
ESP10, 291, 311, 330, 347, 361, 402, , 406
ESP10, 292, 313, 335, 349, 362, 404, , 408
ESP10, 299, 321, 341, 357, 369, 406, , 410
ESP10, 297, 318, 339, 353, 365, 408, , 412
ESP10, 295, 316, 336, 352, 367, 410, , 414
ESP10, 293, 315, 333, 350, 365, 412, , 416
ESP10, 295, 318, 335, 352, 366, 414, , 418
ESP10, 292, 316, 331, 349, 363, 417, , 421
ESP10, 294, 316, 331, 349, 364, 419, , 423
ESP10, 299, 318, 331, 350, 366, 421, , 425
ESP10, 305, 324, 335, 356, 369, 423, , 427
ESP10, 309, 328, 337, 359, 371, 425, , 429
ESP10, 311, 325, 337, 356, 368, 427, , 431
ESP10, 311, 324, 337, 355, 367, 429, , 433
ESP10, 314, 324, 337, 355, 367, 431, , 435
ESP10, 313, 319, 333, 351, 363, 433, , 437
ESP10, 321, 325, 339, 356, 368, 435, , 439
ESP10, 319, 324, 340, 356, 367, 437, , 441
ESP10, 320, 327, 343, 356, 369, 440, , 444
ESP10, 320, 329, 343, 357, 370, 442, , 446
ESP10, 320, 329, 344, 358, 371, 444, , 448
ESP10, 327, 340, 352, 365, 378, 446, , 450
ESP10, 328, 342, 352, 365, 378, 448, , 452
ESP10, 332, 345, 355, 368, 381, 450, , 454
ESP10, 333, 348, 358, 369, 383, 452, , 456
ESP10, 333, 349, 358, 371, 383, 454, , 458
ESP10, 333, 350, 358, 372, 383, 456, , 460
ESP10, 338, 359, 366, 377, 386, 458, , 462
ESP10, 338, 359, 365, 377, 388, 460, , 464
ESP10, 337, 358, 365, 377, 387, 462, , 466
ESP10, 334, 355, 363, 374, 385, 465, , 469
ESP10, 334, 355, 365, 376, 385, 467, , 471
ESP10, 334, 355, 365, 376, 384, 469, , 473
ESP10, 333, 355, 365, 376, 384, 471, , 475
ESP10, 334, 356, 365, 375, 384, 473, , 477
ESP10, 335, 355, 363, 375, 382, 475, , 479
ESP10, 345, 364, 373, 384, 394, 477, , 481
ESP10, 347, 365, 374, 385, 395, 479, , 483
ESP10, 346, 362, 373, 386, 394, 481, , 485
ESP10, 345, 361, 370, 384, 391, 483, , 487
ESP10, 347, 363, 371, 385, 392, 485, , 489
ESP10, 348, 363, 372, 386, 392, 488, , 492
ESP10, 352, 368, 376, 389, 395, 490, , 494
ESP10, 373, 386, 395, 408, 414, 492, , 496
ESP10, 379, 389, 399, 411, 417, 494, , 498
ESP10, 379, 390, 400, 411, 417, 496, , 500
ESP10, 378, 391, 400, 410, 418, 498, , 502
ESP10, 377, 390, 398, 407, 415, 500, , 504
ESP10, 378, 390, 397, 407, 414, 502, , 506
ESP10, 379, 390, 396, 407, 414, 504, , 508
ESP10, 378, 389, 395, 406, 413, 506, , 510
ESP10, 379, 389, 397, 406, 413, 508, , 512
ESP10, 379, 389, 397, 406, 412, 510, , 514
ESP10, 381, 390, 397, 407, 412, 513, , 517
ESP10, 381, 389, 396, 406, 411, 515, , 519
ESP10, 382, 390, 399, 407, 412, 517, , 521
ESP10, 375, 384, 392, 400, 405, 519, , 523
ESP10, 375, 384, 392, 399, 404, 521, , 525
ESP10, 376, 385, 393, 399, 404, 523, , 527
ESP10, 377, 385, 394, 400, 403, 525, , 529
ESP10, 380, 388, 396, 402, 406, 527, , 531
ESP10, 381, 390, 396, 402, 406, 529, , 533
ESP10, 385, 394, 400, 407, 410, 531, , 535
ESP10, 384, 393, 400, 406, 410, 533, , 537
ESP10, 382, 391, 398, 405, 408, 536, , 540
ESP10, 382, 391, 397, 405, 408, 538, , 542
ESP10, 382, 391, 397, 405, 408, 540, , 544
ESP10, 384, 391, 397, 405, 408, 542, , 546
ESP10, 386, 393, 398, 405, 408, 544, , 548
ESP10, 387, 394, 400, 405, 408, 546, , 550
ESP10, 392, 398, 404, 409, 412, 548, , 552
ESP10, 391, 398, 404, 408, 411, 550, , 554
ESP10, 394, 399, 405, 409, 412, 552, , 556
ESP10, 394, 399, 405, 409, 412, 554, , 558
ESP10, 395, 399, 405, 409, 412, 556, , 560
ESP10, 395, 399, 404, 408, 410, 558, , 562
ESP10, 395, 400, 404, 408, 410, 561, , 565
ESP10, 399, 402, 406, 409, 411, 563, , 567
ESP10, 397, 402, 405, 408, 410, 565, , 569
ESP10, 389, 393, 397, 400, 402, 567, , 571
ESP10, 388, 392, 396, 399, 400, 569, , 573
ESP10, 386, 391, 394, 397, 398, 571, , 575
ESP10, 390, 394, 397, 399, 401, 573, , 577
ESP10, 392, 395, 399, 400, 402, 575, , 579
ESP10, 398, 402, 405, 407, 407, 577, , 581
ESP10, 403, 406, 410, 411, 412, 579, , 583
ESP10, 403, 406, 410, 411, 411, 581, , 585
ESP10, 403, 406, 409, 410, 411, 584, , 588
ESP10, 403, 407, 409, 410, 411, 586, , 590
ESP10, 403, 406, 409, 410, 410, 588, , 592
ESP10, 402, 406, 408, 409, 409, 590, , 594
ESP10, 410, 414, 415, 416, 416, 592, , 596
ESP10, 411, 415, 415, 416, 416, 594, , 598
ESP10, 411, 415, 415, 416, 416, 596, , 600
ESP10, 412, 415, 416, 416, 416, 598, , 602
ESP10, 411, 415, 415, 415, 416, 600, , 604
ESP10, 413, 415, 415, 415, 416, 602, , 606
ESP10, 412, 414, 414, 414, 414, 604, , 608
ESP10, 411, 413, 413, 414, 414, 607, , 611
ESP10, 410, 412, 413, 413, 413, 609, , 613
ESP10, 410, 412, 412, 413, 413, 611, , 615
ESP10, 409, 411, 411, 412, 412, 613, , 617
ESP10, 410, 411, 411, 412, 412, 615, , 619
ESP10, 410, 411, 411, 411, 411, 617, , 621
ESP10, 410, 411, 411, 411, 411, 619, , 623
ESP10, 410, 411, 411, 411, 411, 621, , 625
ESP10, 410, 411, 411, 411, 411, 623, , 627
ESP10, 410, 411, 411, 411, 411, 625, , 629
ESP10, 410, 411, 411, 411, 411, 627, , 631
ESP10, 411, 411, 411, 411, 411, 629, , 633
ESP10, 411, 411, 411, 411, 411, 632, , 636
ESP10, 411, 411, 411, 411, 412, 634, , 638
ESP10, 410, 410, 411, 411, 411, 636, , 640
ESP10, 410, 410, 411, 411, 411, 638, , 642
ESP10, 410, 410, 411, 411, 411, 640, , 644
ESP10, 410, 410, 411, 411, 411, 642, , 646
ESP10, 410, 410, 411, 411, 411, 644, , 648
ESP10, 410, 410, 411, 411, 411, 646, , 650
ESP10, 410, 410, 411, 411, 411, 648, , 652
ESP10, 410, 410, 411, 411, 411, 650, , 654
ESP10, 410, 410, 411, 411, 411, 652, , 656
ESP10, 410, 410, 410, 410, 411, 655, , 659
ESP10, 410, 410, 410, 410, 411, 657, , 661
ESP10, 410, 410, 410, 410, 411, 659, , 663
ESP10, 410, 410, 410, 410, 410, 661, , 665
ESP10, 410, 410, 410, 410, 410, 663, , 667
ESP10, 410, 410, 410, 410, 411, 665, , 669
ESP10, 410, 410, 410, 411, 411, 667, , 671
ESP10, 410, 410, 410, 410, 411, 669, , 673
ESP10, 410, 410, 410, 410, 411, 671, , 675
ESP10, 410, 410, 410, 410, 410, 673, , 677
ESP10, 410, 410, 410, 410, 410, 675, , 679
ESP10, 410, 410, 410, 410, 410, 677, , 681
ESP10, 410, 410, 410, 410, 410, 680, , 684
ESP10, 410, 410, 410, 410, 411, 682, , 686
ESP10, 410, 410, 410, 411, 411, 684, , 688
ESP10, 410, 410, 410, 410, 411, 686, , 690
ESP10, 410, 410, 410, 410, 411, 688, , 692
ESP10, 410, 410, 410, 410, 410, 690, , 694
ESP10, 410, 410, 410, 411, 411, 692, , 696
ESP10, 410, 410, 411, 411, 411, 694, , 698
ESP10, 410, 411, 411, 411, 411, 696, , 700
ESP10, 410, 411, 411, 411, 411, 698, , 702
ESP10, 410, 411, 411, 411, 411, 700, , 704
ESP10, 411, 411, 411, 411, 411, 703, , 707
ESP10, 411, 411, 411, 411, 411, 705, , 709
ESP10, 411, 411, 411, 411, 411, 707, , 711
ESP10, 411, 411, 411, 411, 411, 709, , 713
ESP10, 411, 411, 411, 411, 411, 711, , 715
ESP10, 411, 411, 411, 411, 411, 713, , 717
ESP10, 411, 411, 411, 411, 411, 715, , 719
ESP10, 411, 411, 411, 411, 411, 717, , 721
ESP10, 410, 411, 411, 411, 411, 719, , 723
ESP10, 410, 411, 411, 411, 411, 721, , 725
ESP10, 410, 411, 411, 411, 411, 723, , 727
ESP10, 410, 411, 411, 411, 411, 725, , 729
ESP10, 410, 411, 411, 411, 411, 728, , 732
ESP10, 411, 411, 411, 411, 411, 730, , 734
ESP10, 411, 411, 411, 411, 411, 732, , 736
ESP10, 411, 411, 411, 411, 411, 734, , 738
Max Scale
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Show Min/Max Ensemble Volume
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/WTHW1N_SQIN.ESPF10.csv
WTHW1N_SQIN.ESPF0.csv|2026-08-16
WTHW1N_SQIN.ESPF10.csv|2026-08-16
WTHW1N_SQIN.ESPFM.csv|2026-08-16
APR-SEP
METHOW - AT WINTHROP
(
WTHW1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
349
639
83
1006
767
APR-JUL
325
606
84
964
723
APR-AUG
337
625
83
991
751
JAN-SEP
406
707
85
1056
831
JAN-JUL
381
672
85
1013
788
OCT-SEP
450
759
84
1131
899
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/WTHW1N_SQIN.ESPF10.csv
WTHW1N_SQIN.ESPF0.csv|2026-08-16
WTHW1N_SQIN.ESPF10.csv|2026-08-16
WTHW1N_SQIN.ESPFM.csv|2026-08-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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