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Archive:
Water Year
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METHOW - NEAR PATEROS
(
PATW1
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
827
827
86
828
965
APR-JUL
786
786
87
786
904
APR-AUG
807
807
86
807
942
JAN-SEP
1137
1138
107
1138
1063
JAN-JUL
1096
1096
109
1096
1001
OCT-SEP
1367
1367
118
1368
1162
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
827
827
86
828
965
APR-JUL
786
786
87
786
904
APR-AUG
807
807
86
807
942
JAN-SEP
1137
1138
107
1138
1063
JAN-JUL
1096
1096
109
1096
1001
OCT-SEP
1367
1367
118
1368
1162
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
827
828
86
829
965
APR-JUL
786
786
87
786
904
APR-AUG
807
807
86
808
942
JAN-SEP
1137
1138
107
1139
1063
JAN-JUL
1096
1096
109
1096
1001
OCT-SEP
1367
1367
118
1368
1162
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 301, 360, 419, 447, 477, 70, , 74
ESP10, 297, 358, 418, 446, 475, 72, , 76
ESP10, 300, 359, 420, 452, 477, 74, , 78
ESP10, 301, 359, 420, 452, 476, 76, , 80
ESP10, 301, 358, 420, 451, 476, 78, , 82
ESP10, 301, 358, 420, 452, 478, 81, , 85
ESP10, 305, 356, 420, 450, 476, 83, , 87
ESP10, 308, 358, 421, 451, 478, 85, , 89
ESP10, 307, 358, 423, 450, 478, 87, , 91
ESP10, 305, 354, 421, 446, 475, 89, , 93
ESP10, 310, 356, 423, 448, 476, 91, , 95
ESP10, 307, 354, 420, 445, 475, 93, , 97
ESP10, 298, 346, 410, 437, 469, 95, , 99
ESP10, 296, 344, 410, 437, 467, 97, , 101
ESP10, 284, 335, 402, 429, 461, 99, , 103
ESP10, 264, 319, 388, 417, 449, 102, , 106
ESP10, 254, 310, 380, 411, 443, 104, , 108
ESP10, 267, 320, 390, 420, 452, 106, , 110
ESP10, 276, 327, 400, 426, 457, 108, , 112
ESP10, 276, 328, 400, 427, 456, 110, , 114
ESP10, 264, 330, 392, 419, 452, 112, , 116
ESP10, 260, 330, 390, 415, 449, 114, , 118
ESP10, 243, 313, 379, 401, 440, 116, , 120
ESP10, 257, 326, 388, 413, 448, 118, , 122
ESP10, 262, 331, 390, 416, 451, 120, , 124
ESP10, 258, 329, 384, 413, 446, 122, , 126
ESP10, 255, 324, 380, 416, 444, 125, , 129
ESP10, 258, 324, 380, 416, 445, 127, , 131
ESP10, 247, 319, 371, 408, 438, 129, , 133
ESP10, 237, 314, 366, 402, 433, 131, , 135
ESP10, 225, 312, 360, 394, 426, 133, , 137
ESP10, 230, 315, 365, 398, 430, 135, , 139
ESP10, 229, 315, 363, 401, 434, 137, , 141
ESP10, 250, 333, 378, 414, 446, 139, , 143
ESP10, 251, 332, 375, 413, 444, 141, , 145
ESP10, 250, 329, 374, 413, 441, 143, , 147
ESP10, 257, 330, 377, 414, 442, 145, , 149
ESP10, 281, 352, 396, 431, 458, 148, , 152
ESP10, 285, 356, 400, 435, 462, 150, , 154
ESP10, 281, 350, 401, 433, 458, 152, , 156
ESP10, 280, 353, 401, 433, 458, 154, , 158
ESP10, 274, 350, 396, 429, 455, 156, , 160
ESP10, 273, 354, 398, 430, 455, 158, , 162
ESP10, 272, 356, 400, 431, 454, 160, , 164
ESP10, 272, 360, 401, 431, 455, 162, , 166
ESP10, 274, 364, 405, 434, 456, 164, , 168
ESP10, 263, 357, 397, 426, 452, 166, , 170
ESP10, 274, 366, 402, 434, 456, 169, , 173
ESP10, 273, 364, 399, 432, 455, 171, , 175
ESP10, 271, 362, 401, 429, 452, 173, , 177
ESP10, 271, 360, 402, 428, 450, 175, , 179
ESP10, 270, 357, 403, 425, 449, 177, , 181
ESP10, 273, 360, 406, 428, 449, 179, , 183
ESP10, 285, 374, 423, 436, 456, 181, , 185
ESP10, 293, 377, 424, 438, 458, 183, , 187
ESP10, 293, 377, 423, 437, 461, 185, , 189
ESP10, 279, 365, 412, 429, 454, 187, , 191
ESP10, 281, 364, 410, 430, 454, 189, , 193
ESP10, 285, 368, 412, 432, 457, 192, , 196
ESP10, 266, 353, 398, 422, 450, 194, , 198
ESP10, 262, 349, 394, 421, 445, 196, , 200
ESP10, 260, 350, 394, 420, 447, 198, , 202
ESP10, 236, 331, 376, 402, 432, 200, , 204
ESP10, 226, 318, 367, 393, 424, 202, , 206
ESP10, 193, 287, 339, 365, 398, 204, , 208
ESP10, 176, 274, 325, 354, 386, 206, , 210
ESP10, 195, 292, 341, 371, 403, 208, , 212
ESP10, 172, 273, 321, 352, 387, 210, , 214
ESP10, 143, 249, 298, 329, 367, 212, , 216
ESP10, 135, 245, 286, 321, 357, 215, , 219
ESP10, 146, 255, 296, 330, 363, 217, , 221
ESP10, 152, 258, 297, 333, 369, 219, , 223
ESP10, 151, 256, 295, 333, 367, 221, , 225
ESP10, 147, 250, 289, 329, 365, 223, , 227
ESP10, 147, 246, 285, 328, 362, 225, , 229
ESP10, 141, 240, 279, 324, 357, 227, , 231
ESP10, 145, 241, 281, 324, 356, 229, , 233
ESP10, 151, 239, 280, 322, 355, 231, , 235
ESP10, 147, 230, 271, 313, 348, 233, , 237
ESP10, 153, 224, 266, 308, 344, 236, , 240
ESP10, 171, 235, 279, 318, 352, 238, , 242
ESP10, 179, 240, 285, 322, 355, 240, , 244
ESP10, 183, 247, 291, 330, 359, 242, , 246
ESP10, 184, 248, 294, 332, 359, 244, , 248
ESP10, 180, 247, 294, 332, 355, 246, , 250
ESP10, 176, 242, 290, 326, 355, 248, , 252
ESP10, 182, 248, 293, 329, 365, 250, , 254
ESP10, 184, 253, 295, 335, 374, 252, , 256
ESP10, 183, 252, 296, 333, 374, 254, , 258
ESP10, 165, 235, 281, 317, 360, 256, , 260
ESP10, 174, 239, 283, 322, 360, 259, , 263
ESP10, 178, 241, 282, 325, 360, 261, , 265
ESP10, 176, 237, 279, 321, 357, 263, , 267
ESP10, 177, 238, 281, 321, 356, 265, , 269
ESP10, 170, 233, 275, 317, 349, 267, , 271
ESP10, 174, 241, 280, 319, 351, 269, , 273
ESP10, 199, 263, 302, 339, 371, 271, , 275
ESP10, 203, 262, 302, 337, 370, 273, , 277
ESP10, 207, 260, 300, 334, 369, 275, , 279
ESP10, 214, 261, 300, 333, 372, 277, , 281
ESP10, 216, 261, 300, 332, 371, 279, , 283
ESP10, 217, 261, 302, 332, 372, 282, , 286
ESP10, 216, 261, 303, 333, 372, 284, , 288
ESP10, 221, 260, 306, 333, 370, 286, , 290
ESP10, 224, 265, 309, 334, 372, 288, , 292
ESP10, 221, 262, 308, 331, 369, 290, , 294
ESP10, 218, 262, 305, 331, 367, 292, , 296
ESP10, 222, 268, 308, 334, 369, 294, , 298
ESP10, 229, 275, 309, 335, 370, 296, , 300
ESP10, 237, 281, 313, 341, 373, 298, , 302
ESP10, 241, 281, 311, 342, 373, 300, , 304
ESP10, 245, 287, 315, 346, 379, 303, , 307
ESP10, 243, 294, 313, 344, 377, 305, , 309
ESP10, 248, 301, 320, 349, 382, 307, , 311
ESP10, 252, 299, 317, 347, 381, 309, , 313
ESP10, 243, 291, 309, 342, 373, 311, , 315
ESP10, 246, 291, 311, 343, 376, 313, , 317
ESP10, 260, 296, 318, 347, 382, 315, , 319
ESP10, 260, 299, 317, 346, 385, 317, , 321
ESP10, 262, 302, 319, 349, 386, 319, , 323
ESP10, 272, 306, 327, 362, 391, 321, , 325
ESP10, 269, 305, 327, 361, 387, 323, , 327
ESP10, 259, 296, 317, 351, 378, 326, , 330
ESP10, 262, 300, 319, 351, 378, 328, , 332
ESP10, 262, 300, 320, 345, 378, 330, , 334
ESP10, 264, 300, 320, 345, 378, 332, , 336
ESP10, 261, 296, 316, 341, 376, 334, , 338
ESP10, 268, 302, 321, 345, 381, 336, , 340
ESP10, 269, 303, 320, 345, 382, 338, , 342
ESP10, 275, 308, 325, 351, 385, 340, , 344
ESP10, 277, 307, 327, 355, 386, 342, , 346
ESP10, 280, 310, 330, 358, 388, 344, , 348
ESP10, 275, 304, 325, 354, 382, 346, , 350
ESP10, 280, 303, 326, 354, 382, 349, , 353
ESP10, 280, 300, 325, 350, 378, 351, , 355
ESP10, 273, 297, 319, 343, 371, 353, , 357
ESP10, 272, 296, 317, 342, 368, 355, , 359
ESP10, 280, 304, 325, 352, 375, 357, , 361
ESP10, 272, 298, 318, 346, 367, 359, , 363
ESP10, 279, 304, 325, 354, 373, 361, , 365
ESP10, 275, 301, 321, 347, 368, 363, , 367
ESP10, 279, 306, 323, 350, 370, 365, , 369
ESP10, 278, 307, 323, 350, 368, 367, , 371
ESP10, 290, 317, 332, 360, 376, 370, , 374
ESP10, 296, 322, 338, 365, 381, 372, , 376
ESP10, 300, 326, 342, 366, 383, 374, , 378
ESP10, 301, 326, 341, 368, 381, 376, , 380
ESP10, 298, 325, 338, 365, 377, 378, , 382
ESP10, 300, 327, 339, 366, 376, 380, , 384
ESP10, 298, 326, 339, 363, 375, 382, , 386
ESP10, 299, 325, 341, 366, 375, 384, , 388
ESP10, 296, 321, 342, 362, 372, 386, , 390
ESP10, 290, 316, 338, 353, 363, 388, , 392
ESP10, 286, 312, 335, 348, 359, 390, , 394
ESP10, 280, 302, 326, 338, 351, 393, , 397
ESP10, 280, 298, 321, 336, 350, 395, , 399
ESP10, 273, 290, 313, 328, 344, 397, , 401
ESP10, 270, 286, 309, 323, 339, 399, , 403
ESP10, 265, 284, 303, 319, 337, 401, , 405
ESP10, 279, 300, 316, 333, 350, 403, , 407
ESP10, 281, 302, 323, 338, 352, 405, , 409
ESP10, 290, 311, 330, 344, 359, 407, , 411
ESP10, 287, 307, 327, 342, 355, 409, , 413
ESP10, 285, 305, 324, 341, 358, 411, , 415
ESP10, 283, 302, 321, 340, 357, 413, , 417
ESP10, 287, 307, 323, 342, 357, 416, , 420
ESP10, 285, 304, 318, 339, 353, 418, , 422
ESP10, 285, 305, 318, 338, 353, 420, , 424
ESP10, 292, 310, 322, 344, 358, 422, , 426
ESP10, 297, 316, 326, 348, 361, 424, , 428
ESP10, 304, 322, 330, 352, 365, 426, , 430
ESP10, 304, 320, 329, 349, 363, 428, , 432
ESP10, 303, 319, 329, 347, 361, 430, , 434
ESP10, 306, 318, 328, 346, 359, 432, , 436
ESP10, 306, 314, 326, 344, 358, 434, , 438
ESP10, 314, 320, 331, 348, 364, 437, , 441
ESP10, 313, 320, 332, 348, 362, 439, , 443
ESP10, 313, 323, 335, 348, 363, 441, , 445
ESP10, 319, 329, 341, 354, 368, 443, , 447
ESP10, 319, 329, 341, 354, 369, 445, , 449
ESP10, 324, 338, 347, 359, 374, 447, , 451
ESP10, 326, 340, 348, 359, 375, 449, , 453
ESP10, 328, 343, 353, 363, 378, 451, , 455
ESP10, 330, 346, 356, 367, 379, 453, , 457
ESP10, 331, 347, 355, 370, 379, 455, , 459
ESP10, 330, 348, 356, 370, 379, 457, , 461
ESP10, 333, 356, 361, 374, 383, 460, , 464
ESP10, 335, 356, 361, 373, 383, 462, , 466
ESP10, 334, 355, 361, 373, 383, 464, , 468
ESP10, 331, 352, 359, 370, 380, 466, , 470
ESP10, 331, 352, 360, 370, 380, 468, , 472
ESP10, 331, 351, 360, 370, 379, 470, , 474
ESP10, 330, 351, 361, 370, 379, 472, , 476
ESP10, 330, 353, 360, 369, 378, 474, , 478
ESP10, 332, 351, 358, 369, 377, 476, , 480
ESP10, 340, 360, 367, 378, 388, 478, , 482
ESP10, 341, 360, 368, 380, 388, 480, , 484
ESP10, 340, 357, 365, 379, 386, 483, , 487
ESP10, 338, 356, 362, 377, 384, 485, , 489
ESP10, 340, 358, 364, 379, 384, 487, , 491
ESP10, 341, 358, 365, 379, 385, 489, , 493
ESP10, 344, 362, 368, 382, 388, 491, , 495
ESP10, 362, 375, 385, 397, 403, 493, , 497
ESP10, 367, 378, 387, 399, 405, 495, , 499
ESP10, 368, 378, 388, 399, 406, 497, , 501
ESP10, 365, 378, 386, 396, 406, 499, , 503
ESP10, 365, 379, 385, 395, 404, 501, , 505
ESP10, 367, 379, 384, 395, 403, 504, , 508
ESP10, 367, 379, 384, 394, 402, 506, , 510
ESP10, 366, 378, 383, 394, 401, 508, , 512
ESP10, 367, 377, 384, 394, 401, 510, , 514
ESP10, 367, 377, 384, 394, 400, 512, , 516
ESP10, 368, 378, 385, 394, 400, 514, , 518
ESP10, 369, 377, 385, 393, 399, 516, , 520
ESP10, 371, 378, 387, 394, 399, 518, , 522
ESP10, 362, 371, 378, 385, 391, 520, , 524
ESP10, 362, 371, 378, 385, 390, 522, , 526
ESP10, 363, 370, 379, 385, 389, 524, , 528
ESP10, 364, 371, 379, 386, 390, 527, , 531
ESP10, 366, 374, 381, 387, 391, 529, , 533
ESP10, 366, 375, 381, 388, 391, 531, , 535
ESP10, 371, 380, 385, 392, 396, 533, , 537
ESP10, 370, 379, 385, 391, 395, 535, , 539
ESP10, 369, 377, 383, 391, 393, 537, , 541
ESP10, 368, 377, 382, 390, 394, 539, , 543
ESP10, 368, 377, 382, 390, 393, 541, , 545
ESP10, 370, 377, 383, 390, 392, 543, , 547
ESP10, 371, 378, 384, 390, 393, 545, , 549
ESP10, 373, 380, 384, 390, 393, 547, , 551
ESP10, 377, 383, 388, 393, 396, 550, , 554
ESP10, 376, 383, 388, 393, 395, 552, , 556
ESP10, 379, 384, 389, 394, 395, 554, , 558
ESP10, 379, 384, 389, 393, 395, 556, , 560
ESP10, 379, 384, 389, 393, 395, 558, , 562
ESP10, 380, 384, 388, 392, 394, 560, , 564
ESP10, 380, 384, 388, 391, 393, 562, , 566
ESP10, 382, 386, 389, 392, 393, 564, , 568
ESP10, 381, 386, 388, 391, 393, 566, , 570
ESP10, 375, 380, 382, 385, 386, 568, , 572
ESP10, 374, 378, 382, 384, 385, 571, , 575
ESP10, 372, 376, 379, 381, 383, 573, , 577
ESP10, 376, 379, 382, 384, 385, 575, , 579
ESP10, 377, 380, 383, 385, 386, 577, , 581
ESP10, 381, 385, 388, 389, 390, 579, , 583
ESP10, 386, 389, 392, 393, 393, 581, , 585
ESP10, 386, 388, 392, 392, 393, 583, , 587
ESP10, 385, 387, 390, 391, 392, 585, , 589
ESP10, 385, 388, 390, 391, 392, 587, , 591
ESP10, 384, 388, 390, 391, 391, 589, , 593
ESP10, 384, 388, 389, 390, 390, 591, , 595
ESP10, 390, 394, 395, 395, 395, 594, , 598
ESP10, 391, 395, 395, 395, 395, 596, , 600
ESP10, 391, 395, 395, 395, 395, 598, , 602
ESP10, 391, 395, 395, 395, 396, 600, , 604
ESP10, 391, 395, 395, 395, 395, 602, , 606
ESP10, 392, 395, 395, 395, 395, 604, , 608
ESP10, 392, 393, 394, 394, 394, 606, , 610
ESP10, 391, 393, 393, 393, 393, 608, , 612
ESP10, 389, 391, 391, 391, 391, 610, , 614
ESP10, 389, 391, 391, 391, 391, 612, , 616
ESP10, 388, 389, 390, 390, 390, 614, , 618
ESP10, 388, 389, 389, 390, 390, 617, , 621
ESP10, 388, 389, 389, 389, 389, 619, , 623
ESP10, 388, 389, 389, 389, 389, 621, , 625
ESP10, 388, 389, 389, 389, 389, 623, , 627
ESP10, 388, 389, 389, 389, 389, 625, , 629
ESP10, 388, 389, 389, 389, 389, 627, , 631
ESP10, 388, 388, 388, 388, 389, 629, , 633
ESP10, 388, 388, 388, 388, 389, 631, , 635
ESP10, 388, 388, 388, 389, 389, 633, , 637
ESP10, 388, 388, 388, 389, 389, 635, , 639
ESP10, 388, 388, 388, 388, 388, 638, , 642
ESP10, 388, 388, 388, 388, 388, 640, , 644
ESP10, 388, 388, 388, 388, 388, 642, , 646
ESP10, 388, 388, 388, 388, 388, 644, , 648
ESP10, 388, 388, 388, 388, 388, 646, , 650
ESP10, 388, 388, 388, 388, 388, 648, , 652
ESP10, 388, 388, 388, 388, 388, 650, , 654
ESP10, 388, 388, 388, 388, 388, 652, , 656
ESP10, 388, 388, 388, 388, 388, 654, , 658
ESP10, 387, 388, 388, 388, 388, 656, , 660
ESP10, 387, 388, 388, 388, 388, 658, , 662
ESP10, 387, 388, 388, 388, 388, 661, , 665
ESP10, 387, 387, 388, 388, 388, 663, , 667
ESP10, 387, 387, 388, 388, 388, 665, , 669
ESP10, 387, 388, 388, 388, 388, 667, , 671
ESP10, 388, 388, 388, 388, 388, 669, , 673
ESP10, 388, 388, 388, 388, 388, 671, , 675
ESP10, 388, 388, 388, 388, 388, 673, , 677
ESP10, 387, 388, 388, 388, 388, 675, , 679
ESP10, 387, 388, 388, 388, 388, 677, , 681
ESP10, 388, 388, 388, 388, 388, 679, , 683
ESP10, 388, 388, 388, 388, 388, 681, , 685
ESP10, 388, 388, 388, 388, 388, 684, , 688
ESP10, 388, 388, 388, 388, 388, 686, , 690
ESP10, 388, 388, 388, 388, 388, 688, , 692
ESP10, 388, 388, 388, 388, 388, 690, , 694
ESP10, 388, 388, 388, 388, 388, 692, , 696
ESP10, 388, 388, 388, 388, 388, 694, , 698
ESP10, 388, 388, 388, 388, 388, 696, , 700
ESP10, 388, 388, 388, 388, 388, 698, , 702
ESP10, 388, 388, 388, 388, 388, 700, , 704
ESP10, 388, 388, 388, 388, 389, 702, , 706
ESP10, 388, 388, 389, 389, 389, 705, , 709
ESP10, 388, 389, 389, 389, 389, 707, , 711
ESP10, 388, 389, 389, 389, 389, 709, , 713
ESP10, 388, 389, 389, 389, 389, 711, , 715
ESP10, 388, 389, 389, 389, 389, 713, , 717
ESP10, 388, 389, 389, 389, 389, 715, , 719
ESP10, 389, 389, 389, 389, 389, 717, , 721
ESP10, 388, 388, 389, 389, 389, 719, , 723
ESP10, 388, 388, 389, 389, 389, 721, , 725
ESP10, 388, 389, 389, 389, 389, 723, , 727
ESP10, 388, 388, 388, 389, 389, 725, , 729
ESP10, 388, 389, 389, 389, 389, 728, , 732
ESP10, 389, 389, 389, 389, 389, 730, , 734
ESP10, 388, 389, 389, 389, 389, 732, , 736
ESP10, 388, 389, 389, 389, 389, 734, , 738
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/watersupply/PATW1W_SQIN.ESPF10.csv
PATW1W_SQIN.ESPF0.csv|2026-08-15
PATW1W_SQIN.ESPF10.csv|2026-08-15
PATW1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
METHOW - NEAR PATEROS
(
PATW1
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
458
797
83
1304
965
APR-JUL
420
748
83
1229
904
APR-AUG
440
776
82
1277
942
JAN-SEP
551
903
85
1404
1063
JAN-JUL
512
853
85
1325
1001
OCT-SEP
621
992
85
1532
1162
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/watersupply/PATW1W_SQIN.ESPF10.csv
PATW1W_SQIN.ESPF0.csv|2026-08-15
PATW1W_SQIN.ESPF10.csv|2026-08-15
PATW1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
