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Archive:
Water Year
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NISQUALLY - ALDER RESERVOIR
(
ALRW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-06-25
Issued:
2026-06-25
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
260
267
68
277
395
APR-JUL
210
215
66
218
326
JAN-SEP
630
637
84
647
760
JAN-JUL
580
585
85
588
691
OCT-SEP
1066
1073
101
1083
1059
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-06-25
Issued:
2026-06-25
Hide Forecast
APR-SEP
263
268
68
284
395
APR-JUL
212
217
66
223
326
JAN-SEP
633
638
84
654
760
JAN-JUL
582
587
85
593
691
OCT-SEP
1069
1074
101
1090
1059
Reference
ESP with 0 Days QPF
Ensemble:
2026-06-25
Issued:
2026-06-25
Hide Forecast
APR-SEP
261
269
68
281
395
APR-JUL
211
216
66
222
326
JAN-SEP
631
639
84
651
760
JAN-JUL
581
586
85
592
691
OCT-SEP
1067
1075
102
1087
1059
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 178, 236, 293, 359, 406, 70, , 74
ESP10, 178, 236, 294, 359, 406, 73, , 77
ESP10, 178, 236, 294, 359, 407, 75, , 79
ESP10, 178, 236, 293, 359, 406, 78, , 82
ESP10, 178, 236, 294, 359, 407, 80, , 84
ESP10, 178, 236, 294, 359, 407, 83, , 87
ESP10, 178, 236, 293, 359, 407, 85, , 89
ESP10, 178, 236, 293, 359, 407, 88, , 92
ESP10, 178, 236, 293, 359, 407, 90, , 94
ESP10, 178, 236, 292, 359, 407, 93, , 97
ESP10, 178, 236, 293, 360, 407, 95, , 99
ESP10, 178, 236, 293, 360, 407, 98, , 102
ESP10, 178, 236, 293, 360, 407, 100, , 104
ESP10, 178, 236, 293, 360, 408, 103, , 107
ESP10, 177, 236, 293, 359, 408, 105, , 109
ESP10, 177, 235, 291, 359, 407, 108, , 112
ESP10, 176, 234, 290, 357, 405, 110, , 114
ESP10, 176, 232, 290, 357, 406, 113, , 117
ESP10, 175, 233, 290, 356, 406, 115, , 119
ESP10, 176, 234, 291, 357, 407, 118, , 122
ESP10, 175, 232, 288, 354, 406, 120, , 124
ESP10, 177, 235, 291, 358, 408, 123, , 127
ESP10, 177, 235, 291, 357, 408, 125, , 129
ESP10, 178, 235, 293, 362, 408, 128, , 132
ESP10, 179, 236, 294, 363, 409, 130, , 134
ESP10, 180, 236, 294, 365, 409, 133, , 137
ESP10, 180, 236, 294, 365, 409, 135, , 139
ESP10, 180, 238, 294, 365, 409, 138, , 142
ESP10, 180, 238, 294, 365, 410, 140, , 144
ESP10, 181, 238, 294, 364, 409, 143, , 147
ESP10, 180, 238, 293, 363, 408, 145, , 149
ESP10, 181, 238, 294, 363, 409, 148, , 152
ESP10, 180, 238, 295, 363, 409, 150, , 154
ESP10, 181, 239, 296, 364, 410, 153, , 157
ESP10, 181, 239, 296, 364, 410, 155, , 159
ESP10, 184, 239, 296, 364, 410, 158, , 162
ESP10, 184, 239, 296, 365, 411, 160, , 164
ESP10, 184, 236, 294, 363, 410, 163, , 167
ESP10, 183, 235, 293, 363, 409, 165, , 169
ESP10, 183, 235, 294, 363, 410, 168, , 172
ESP10, 185, 239, 298, 364, 414, 170, , 174
ESP10, 186, 240, 299, 365, 414, 173, , 177
ESP10, 181, 237, 294, 361, 410, 175, , 179
ESP10, 190, 247, 304, 371, 418, 178, , 182
ESP10, 188, 246, 305, 370, 419, 180, , 184
ESP10, 185, 244, 305, 369, 418, 183, , 187
ESP10, 187, 247, 306, 369, 419, 185, , 189
ESP10, 189, 250, 312, 371, 420, 188, , 192
ESP10, 189, 251, 312, 373, 422, 190, , 194
ESP10, 191, 252, 316, 377, 423, 193, , 197
ESP10, 193, 250, 316, 377, 421, 195, , 199
ESP10, 197, 250, 318, 376, 420, 198, , 202
ESP10, 195, 251, 317, 374, 418, 200, , 204
ESP10, 198, 253, 320, 377, 421, 202, , 206
ESP10, 197, 253, 320, 377, 421, 205, , 209
ESP10, 203, 261, 327, 382, 425, 207, , 211
ESP10, 202, 260, 326, 379, 425, 210, , 214
ESP10, 202, 260, 326, 379, 427, 212, , 216
ESP10, 202, 262, 329, 381, 427, 215, , 219
ESP10, 196, 262, 324, 374, 423, 217, , 221
ESP10, 204, 269, 331, 377, 428, 220, , 224
ESP10, 205, 275, 333, 380, 435, 222, , 226
ESP10, 205, 275, 332, 378, 435, 225, , 229
ESP10, 198, 267, 327, 370, 427, 227, , 231
ESP10, 204, 273, 334, 380, 432, 230, , 234
ESP10, 206, 271, 332, 379, 430, 232, , 236
ESP10, 217, 275, 336, 382, 434, 235, , 239
ESP10, 216, 274, 336, 381, 433, 237, , 241
ESP10, 216, 274, 337, 382, 433, 240, , 244
ESP10, 212, 272, 332, 374, 427, 242, , 246
ESP10, 195, 258, 316, 360, 414, 245, , 249
ESP10, 191, 255, 313, 357, 411, 247, , 251
ESP10, 191, 254, 311, 358, 411, 250, , 254
ESP10, 195, 260, 318, 363, 417, 252, , 256
ESP10, 194, 260, 317, 363, 416, 255, , 259
ESP10, 196, 261, 319, 367, 417, 257, , 261
ESP10, 195, 257, 313, 361, 413, 260, , 264
ESP10, 198, 261, 315, 362, 414, 262, , 266
ESP10, 200, 261, 316, 364, 415, 265, , 269
ESP10, 196, 257, 312, 363, 413, 267, , 271
ESP10, 207, 268, 324, 374, 423, 270, , 274
ESP10, 205, 266, 322, 374, 421, 272, , 276
ESP10, 208, 267, 323, 377, 424, 275, , 279
ESP10, 208, 267, 324, 377, 423, 277, , 281
ESP10, 205, 262, 321, 373, 419, 280, , 284
ESP10, 200, 256, 319, 369, 414, 282, , 286
ESP10, 209, 267, 328, 374, 420, 285, , 289
ESP10, 215, 271, 336, 378, 423, 287, , 291
ESP10, 215, 272, 337, 378, 423, 290, , 294
ESP10, 220, 275, 339, 379, 424, 292, , 296
ESP10, 222, 278, 346, 379, 425, 295, , 299
ESP10, 218, 275, 343, 375, 422, 297, , 301
ESP10, 215, 271, 339, 372, 418, 300, , 304
ESP10, 217, 269, 337, 373, 417, 302, , 306
ESP10, 214, 266, 333, 374, 414, 305, , 309
ESP10, 212, 265, 331, 373, 417, 307, , 311
ESP10, 209, 262, 329, 371, 415, 310, , 314
ESP10, 212, 264, 331, 374, 420, 312, , 316
ESP10, 215, 268, 336, 378, 425, 315, , 319
ESP10, 217, 271, 340, 382, 429, 317, , 321
ESP10, 217, 271, 341, 382, 430, 320, , 324
ESP10, 215, 271, 340, 382, 430, 322, , 326
ESP10, 212, 269, 338, 380, 428, 325, , 329
ESP10, 213, 266, 342, 378, 430, 327, , 331
ESP10, 213, 270, 343, 380, 432, 330, , 334
ESP10, 211, 270, 343, 378, 431, 332, , 336
ESP10, 210, 267, 341, 374, 427, 335, , 339
ESP10, 215, 271, 346, 378, 430, 337, , 341
ESP10, 220, 272, 348, 379, 432, 339, , 343
ESP10, 234, 278, 354, 385, 437, 342, , 346
ESP10, 237, 277, 353, 387, 436, 344, , 348
ESP10, 241, 277, 353, 388, 437, 347, , 351
ESP10, 246, 279, 355, 394, 438, 349, , 353
ESP10, 246, 279, 358, 397, 438, 352, , 356
ESP10, 247, 280, 361, 399, 438, 354, , 358
ESP10, 249, 283, 363, 402, 440, 357, , 361
ESP10, 251, 285, 365, 404, 441, 359, , 363
ESP10, 245, 285, 361, 398, 435, 362, , 366
ESP10, 245, 291, 363, 398, 435, 364, , 368
ESP10, 244, 291, 361, 396, 433, 367, , 371
ESP10, 245, 296, 361, 395, 437, 369, , 373
ESP10, 246, 299, 361, 395, 437, 372, , 376
ESP10, 246, 296, 357, 391, 434, 374, , 378
ESP10, 250, 299, 360, 395, 442, 377, , 381
ESP10, 251, 300, 359, 399, 442, 379, , 383
ESP10, 248, 298, 360, 400, 438, 382, , 386
ESP10, 246, 296, 362, 399, 439, 384, , 388
ESP10, 254, 302, 373, 408, 446, 387, , 391
ESP10, 254, 298, 371, 407, 442, 389, , 393
ESP10, 254, 299, 373, 410, 442, 392, , 396
ESP10, 253, 300, 372, 413, 443, 394, , 398
ESP10, 255, 304, 372, 415, 448, 397, , 401
ESP10, 246, 295, 364, 405, 440, 399, , 403
ESP10, 251, 298, 371, 407, 442, 402, , 406
ESP10, 249, 293, 366, 404, 439, 404, , 408
ESP10, 245, 289, 361, 404, 435, 407, , 411
ESP10, 249, 290, 363, 406, 439, 409, , 413
ESP10, 257, 295, 373, 414, 447, 412, , 416
ESP10, 245, 284, 360, 402, 437, 414, , 418
ESP10, 250, 288, 364, 407, 442, 417, , 421
ESP10, 248, 284, 360, 406, 440, 419, , 423
ESP10, 251, 289, 362, 410, 443, 422, , 426
ESP10, 250, 291, 364, 409, 444, 424, , 428
ESP10, 257, 298, 373, 417, 449, 427, , 431
ESP10, 264, 305, 380, 424, 454, 429, , 433
ESP10, 267, 310, 382, 427, 457, 432, , 436
ESP10, 263, 307, 378, 420, 451, 434, , 438
ESP10, 259, 304, 373, 416, 448, 437, , 441
ESP10, 260, 309, 375, 416, 449, 439, , 443
ESP10, 258, 309, 374, 415, 448, 442, , 446
ESP10, 259, 311, 375, 416, 450, 444, , 448
ESP10, 258, 307, 373, 414, 447, 447, , 451
ESP10, 254, 301, 367, 410, 441, 449, , 453
ESP10, 239, 288, 356, 401, 429, 452, , 456
ESP10, 233, 283, 350, 395, 424, 454, , 458
ESP10, 228, 282, 346, 390, 419, 457, , 461
ESP10, 228, 282, 342, 388, 416, 459, , 463
ESP10, 220, 273, 334, 384, 410, 462, , 466
ESP10, 222, 273, 332, 387, 410, 464, , 468
ESP10, 227, 276, 336, 391, 413, 467, , 471
ESP10, 226, 272, 332, 387, 412, 469, , 473
ESP10, 231, 275, 335, 389, 416, 471, , 475
ESP10, 241, 285, 346, 399, 427, 474, , 478
ESP10, 238, 285, 345, 396, 429, 476, , 480
ESP10, 239, 289, 348, 399, 433, 479, , 483
ESP10, 230, 283, 341, 393, 427, 481, , 485
ESP10, 223, 281, 339, 390, 423, 484, , 488
ESP10, 226, 287, 349, 394, 427, 486, , 490
ESP10, 227, 290, 348, 393, 427, 489, , 493
ESP10, 234, 297, 353, 395, 430, 491, , 495
ESP10, 236, 297, 351, 394, 430, 494, , 498
ESP10, 241, 303, 349, 393, 430, 496, , 500
ESP10, 249, 303, 352, 394, 431, 499, , 503
ESP10, 251, 291, 346, 385, 420, 501, , 505
ESP10, 247, 297, 343, 387, 416, 504, , 508
ESP10, 257, 309, 354, 398, 425, 506, , 510
ESP10, 251, 306, 353, 393, 413, 509, , 513
ESP10, 262, 313, 359, 404, 426, 511, , 515
ESP10, 278, 312, 360, 407, 429, 514, , 518
ESP10, 277, 309, 358, 408, 435, 516, , 520
ESP10, 281, 311, 370, 412, 444, 519, , 523
ESP10, 287, 318, 373, 416, 446, 521, , 525
ESP10, 284, 315, 370, 415, 445, 524, , 528
ESP10, 294, 320, 372, 421, 450, 526, , 530
ESP10, 297, 318, 374, 424, 451, 529, , 533
ESP10, 299, 323, 376, 426, 455, 531, , 535
ESP10, 291, 319, 369, 418, 450, 534, , 538
ESP10, 293, 329, 377, 424, 453, 536, , 540
ESP10, 281, 320, 367, 417, 446, 539, , 543
ESP10, 271, 310, 355, 408, 434, 541, , 545
ESP10, 266, 320, 349, 403, 429, 544, , 548
ESP10, 259, 315, 341, 396, 423, 546, , 550
ESP10, 260, 316, 341, 399, 422, 549, , 553
ESP10, 270, 319, 346, 398, 420, 551, , 555
ESP10, 282, 326, 358, 406, 425, 554, , 558
ESP10, 295, 340, 379, 420, 439, 556, , 560
ESP10, 306, 348, 385, 424, 441, 559, , 563
ESP10, 313, 353, 398, 426, 442, 561, , 565
ESP10, 314, 355, 396, 424, 441, 564, , 568
ESP10, 313, 352, 394, 427, 438, 566, , 570
ESP10, 314, 359, 394, 430, 438, 569, , 573
ESP10, 313, 356, 393, 426, 435, 571, , 575
ESP10, 310, 350, 384, 418, 426, 574, , 578
ESP10, 330, 360, 396, 424, 432, 576, , 580
ESP10, 336, 362, 399, 424, 432, 579, , 583
ESP10, 340, 367, 402, 425, 433, 581, , 585
ESP10, 341, 372, 402, 425, 433, 584, , 588
ESP10, 342, 376, 405, 425, 432, 586, , 590
ESP10, 343, 375, 402, 424, 432, 589, , 593
ESP10, 344, 378, 402, 424, 431, 591, , 595
ESP10, 343, 379, 405, 425, 430, 594, , 598
ESP10, 345, 381, 408, 426, 431, 596, , 600
ESP10, 346, 381, 408, 426, 431, 599, , 603
ESP10, 349, 380, 409, 426, 431, 601, , 605
ESP10, 354, 381, 408, 427, 432, 604, , 608
ESP10, 355, 388, 416, 428, 432, 606, , 610
ESP10, 355, 391, 420, 427, 432, 608, , 612
ESP10, 356, 391, 421, 428, 433, 611, , 615
ESP10, 356, 389, 419, 427, 434, 613, , 617
ESP10, 355, 388, 422, 427, 435, 616, , 620
ESP10, 360, 390, 423, 429, 434, 618, , 622
ESP10, 363, 389, 423, 428, 434, 621, , 625
ESP10, 369, 401, 429, 435, 440, 623, , 627
ESP10, 365, 390, 422, 429, 434, 626, , 630
ESP10, 360, 386, 415, 422, 428, 628, , 632
ESP10, 368, 396, 420, 425, 431, 631, , 635
ESP10, 368, 398, 421, 426, 432, 633, , 637
ESP10, 366, 394, 418, 422, 429, 636, , 640
ESP10, 371, 398, 419, 425, 429, 638, , 642
ESP10, 376, 399, 419, 426, 429, 641, , 645
ESP10, 363, 391, 412, 420, 424, 643, , 647
ESP10, 373, 395, 417, 423, 427, 646, , 650
ESP10, 371, 397, 415, 423, 427, 648, , 652
ESP10, 382, 404, 420, 427, 431, 651, , 655
ESP10, 390, 412, 422, 429, 433, 653, , 657
ESP10, 394, 414, 422, 429, 433, 656, , 660
ESP10, 392, 414, 423, 429, 433, 658, , 662
ESP10, 390, 413, 424, 428, 432, 661, , 665
ESP10, 396, 418, 425, 430, 433, 663, , 667
ESP10, 398, 419, 426, 432, 435, 666, , 670
ESP10, 402, 417, 424, 430, 433, 668, , 672
ESP10, 403, 418, 425, 430, 434, 671, , 675
ESP10, 404, 418, 425, 430, 434, 673, , 677
ESP10, 405, 419, 426, 431, 436, 676, , 680
ESP10, 404, 420, 426, 431, 436, 678, , 682
ESP10, 399, 420, 424, 428, 433, 681, , 685
ESP10, 403, 423, 427, 431, 436, 683, , 687
ESP10, 400, 421, 425, 428, 433, 686, , 690
ESP10, 396, 414, 418, 421, 426, 688, , 692
ESP10, 395, 412, 415, 419, 423, 691, , 695
ESP10, 402, 414, 418, 420, 427, 693, , 697
ESP10, 404, 416, 420, 423, 429, 696, , 700
ESP10, 404, 415, 420, 423, 428, 698, , 702
ESP10, 401, 412, 416, 420, 424, 701, , 705
ESP10, 402, 412, 416, 419, 425, 703, , 707
ESP10, 402, 412, 415, 418, 424, 706, , 710
ESP10, 400, 410, 414, 416, 422, 708, , 712
ESP10, 402, 412, 415, 418, 423, 711, , 715
ESP10, 400, 410, 414, 417, 422, 713, , 717
ESP10, 400, 410, 414, 416, 422, 716, , 720
ESP10, 402, 410, 414, 417, 422, 718, , 722
ESP10, 399, 407, 412, 414, 420, 721, , 725
ESP10, 397, 405, 410, 413, 419, 723, , 727
ESP10, 399, 406, 411, 413, 419, 726, , 730
ESP10, 400, 407, 411, 414, 420, 728, , 732
ESP10, 400, 407, 411, 414, 420, 731, , 735
ESP10, 402, 409, 413, 417, 421, 733, , 737
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Data Files
/chpsesp/ensemble/natural/ALRW1N_SQIN.ESPF10.csv
ALRW1N_SQIN.ESPF0.csv|2026-06-25
ALRW1N_SQIN.ESPF10.csv|2026-06-25
ALRW1N_SQIN.ESPFM.csv|2026-06-25
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ESP10,ESPM,ESP0
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