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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:
2026-05-02
Issued:
2026-05-02
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
251
272
69
327
395
APR-JUL
201
220
68
264
326
JAN-SEP
621
642
84
697
760
JAN-JUL
571
590
85
634
691
OCT-SEP
1057
1077
102
1133
1059
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-05-02
Issued:
2026-05-02
Hide Forecast
APR-SEP
252
274
70
330
395
APR-JUL
203
222
68
263
326
JAN-SEP
622
644
85
700
760
JAN-JUL
573
592
86
633
691
OCT-SEP
1058
1080
102
1136
1059
Reference
ESP with 0 Days QPF
Ensemble:
2026-05-02
Issued:
2026-05-02
Hide Forecast
APR-SEP
254
291
74
358
395
APR-JUL
206
239
73
294
326
JAN-SEP
624
661
87
728
760
JAN-JUL
576
609
88
664
691
OCT-SEP
1060
1097
104
1164
1059
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 178, 236, 293, 359, 406, 71, , 75
ESP10, 178, 236, 294, 359, 406, 74, , 78
ESP10, 178, 236, 294, 359, 407, 77, , 81
ESP10, 178, 236, 293, 359, 406, 80, , 84
ESP10, 178, 236, 294, 359, 407, 84, , 88
ESP10, 178, 236, 294, 359, 407, 87, , 91
ESP10, 178, 236, 293, 359, 407, 90, , 94
ESP10, 178, 236, 293, 359, 407, 93, , 97
ESP10, 178, 236, 293, 359, 407, 96, , 100
ESP10, 178, 236, 292, 359, 407, 99, , 103
ESP10, 178, 236, 293, 360, 407, 102, , 106
ESP10, 178, 236, 293, 360, 407, 105, , 109
ESP10, 178, 236, 293, 360, 407, 109, , 113
ESP10, 178, 236, 293, 360, 408, 112, , 116
ESP10, 177, 236, 293, 359, 408, 115, , 119
ESP10, 177, 235, 291, 359, 407, 118, , 122
ESP10, 176, 234, 290, 357, 405, 121, , 125
ESP10, 176, 232, 290, 357, 406, 124, , 128
ESP10, 175, 233, 290, 356, 406, 127, , 131
ESP10, 176, 234, 291, 357, 407, 130, , 134
ESP10, 175, 232, 288, 354, 406, 133, , 137
ESP10, 177, 235, 291, 358, 408, 137, , 141
ESP10, 177, 235, 291, 357, 408, 140, , 144
ESP10, 178, 235, 293, 362, 408, 143, , 147
ESP10, 179, 236, 294, 363, 409, 146, , 150
ESP10, 180, 236, 294, 365, 409, 149, , 153
ESP10, 180, 236, 294, 365, 409, 152, , 156
ESP10, 180, 238, 294, 365, 409, 155, , 159
ESP10, 180, 238, 294, 365, 410, 158, , 162
ESP10, 181, 238, 294, 364, 409, 161, , 165
ESP10, 180, 238, 293, 363, 408, 165, , 169
ESP10, 181, 238, 294, 363, 409, 168, , 172
ESP10, 180, 238, 295, 363, 409, 171, , 175
ESP10, 181, 239, 296, 364, 410, 174, , 178
ESP10, 181, 239, 296, 364, 410, 177, , 181
ESP10, 184, 239, 296, 364, 410, 180, , 184
ESP10, 184, 239, 296, 365, 411, 183, , 187
ESP10, 184, 236, 294, 363, 410, 186, , 190
ESP10, 183, 235, 293, 363, 409, 190, , 194
ESP10, 183, 235, 294, 363, 410, 193, , 197
ESP10, 185, 239, 298, 364, 414, 196, , 200
ESP10, 186, 240, 299, 365, 414, 199, , 203
ESP10, 181, 237, 294, 361, 410, 202, , 206
ESP10, 190, 247, 304, 371, 418, 205, , 209
ESP10, 188, 246, 305, 370, 419, 208, , 212
ESP10, 185, 244, 305, 369, 418, 211, , 215
ESP10, 187, 247, 306, 369, 419, 214, , 218
ESP10, 189, 250, 312, 371, 420, 218, , 222
ESP10, 189, 251, 312, 373, 422, 221, , 225
ESP10, 191, 252, 316, 377, 423, 224, , 228
ESP10, 193, 250, 316, 377, 421, 227, , 231
ESP10, 197, 250, 318, 376, 420, 230, , 234
ESP10, 195, 251, 317, 374, 418, 233, , 237
ESP10, 198, 253, 320, 377, 421, 236, , 240
ESP10, 197, 253, 320, 377, 421, 239, , 243
ESP10, 203, 261, 327, 382, 425, 243, , 247
ESP10, 202, 260, 326, 379, 425, 246, , 250
ESP10, 202, 260, 326, 379, 427, 249, , 253
ESP10, 202, 262, 329, 381, 427, 252, , 256
ESP10, 196, 262, 324, 374, 423, 255, , 259
ESP10, 204, 269, 331, 377, 428, 258, , 262
ESP10, 205, 275, 333, 380, 435, 261, , 265
ESP10, 205, 275, 332, 378, 435, 264, , 268
ESP10, 198, 267, 327, 370, 427, 267, , 271
ESP10, 204, 273, 334, 380, 432, 271, , 275
ESP10, 206, 271, 332, 379, 430, 274, , 278
ESP10, 217, 275, 336, 382, 434, 277, , 281
ESP10, 216, 274, 336, 381, 433, 280, , 284
ESP10, 216, 274, 337, 382, 433, 283, , 287
ESP10, 212, 272, 332, 374, 427, 286, , 290
ESP10, 195, 258, 316, 360, 414, 289, , 293
ESP10, 191, 255, 313, 357, 411, 292, , 296
ESP10, 191, 254, 311, 358, 411, 295, , 299
ESP10, 195, 260, 318, 363, 417, 299, , 303
ESP10, 194, 260, 317, 363, 416, 302, , 306
ESP10, 196, 261, 319, 367, 417, 305, , 309
ESP10, 195, 257, 313, 361, 413, 308, , 312
ESP10, 198, 261, 315, 362, 414, 311, , 315
ESP10, 200, 261, 316, 364, 415, 314, , 318
ESP10, 196, 257, 312, 363, 413, 317, , 321
ESP10, 207, 268, 324, 374, 423, 320, , 324
ESP10, 205, 266, 322, 374, 421, 324, , 328
ESP10, 208, 267, 323, 377, 424, 327, , 331
ESP10, 208, 267, 324, 377, 423, 330, , 334
ESP10, 205, 262, 321, 373, 419, 333, , 337
ESP10, 200, 256, 319, 369, 414, 336, , 340
ESP10, 209, 267, 328, 374, 420, 339, , 343
ESP10, 215, 271, 336, 378, 423, 342, , 346
ESP10, 215, 272, 337, 378, 423, 345, , 349
ESP10, 220, 275, 339, 379, 424, 348, , 352
ESP10, 222, 278, 346, 379, 425, 352, , 356
ESP10, 218, 275, 343, 375, 422, 355, , 359
ESP10, 215, 271, 339, 372, 418, 358, , 362
ESP10, 217, 269, 337, 373, 417, 361, , 365
ESP10, 214, 266, 333, 374, 414, 364, , 368
ESP10, 212, 265, 331, 373, 417, 367, , 371
ESP10, 209, 262, 329, 371, 415, 370, , 374
ESP10, 212, 264, 331, 374, 420, 373, , 377
ESP10, 215, 268, 336, 378, 425, 377, , 381
ESP10, 217, 271, 340, 382, 429, 380, , 384
ESP10, 217, 271, 341, 382, 430, 383, , 387
ESP10, 215, 271, 340, 382, 430, 386, , 390
ESP10, 212, 269, 338, 380, 428, 389, , 393
ESP10, 213, 266, 342, 378, 430, 392, , 396
ESP10, 213, 270, 343, 380, 432, 395, , 399
ESP10, 211, 270, 343, 378, 431, 398, , 402
ESP10, 210, 267, 341, 374, 427, 401, , 405
ESP10, 215, 271, 346, 378, 430, 405, , 409
ESP10, 220, 272, 348, 379, 432, 408, , 412
ESP10, 234, 278, 354, 385, 437, 411, , 415
ESP10, 237, 277, 353, 387, 436, 414, , 418
ESP10, 241, 277, 353, 388, 437, 417, , 421
ESP10, 246, 279, 355, 394, 438, 420, , 424
ESP10, 246, 279, 358, 397, 438, 423, , 427
ESP10, 247, 280, 361, 399, 438, 426, , 430
ESP10, 249, 283, 363, 402, 440, 429, , 433
ESP10, 251, 285, 365, 404, 441, 433, , 437
ESP10, 245, 285, 361, 398, 435, 436, , 440
ESP10, 245, 291, 363, 398, 435, 439, , 443
ESP10, 244, 291, 361, 396, 433, 442, , 446
ESP10, 245, 296, 361, 395, 437, 445, , 449
ESP10, 246, 299, 361, 395, 437, 448, , 452
ESP10, 246, 296, 357, 391, 434, 451, , 455
ESP10, 250, 299, 360, 395, 442, 454, , 458
ESP10, 251, 300, 359, 399, 442, 458, , 462
ESP10, 248, 298, 360, 400, 438, 461, , 465
ESP10, 246, 296, 362, 399, 439, 464, , 468
ESP10, 254, 302, 373, 408, 446, 467, , 471
ESP10, 254, 298, 371, 407, 442, 470, , 474
ESP10, 254, 299, 373, 410, 442, 473, , 477
ESP10, 253, 300, 372, 413, 443, 476, , 480
ESP10, 255, 304, 372, 415, 448, 479, , 483
ESP10, 246, 295, 364, 405, 440, 482, , 486
ESP10, 251, 298, 371, 407, 442, 486, , 490
ESP10, 249, 293, 366, 404, 439, 489, , 493
ESP10, 245, 289, 361, 404, 435, 492, , 496
ESP10, 249, 290, 363, 406, 439, 495, , 499
ESP10, 257, 295, 373, 414, 447, 498, , 502
ESP10, 245, 284, 360, 402, 437, 501, , 505
ESP10, 250, 288, 364, 407, 442, 504, , 508
ESP10, 248, 284, 360, 406, 440, 507, , 511
ESP10, 251, 289, 362, 410, 443, 511, , 515
ESP10, 250, 291, 364, 409, 444, 514, , 518
ESP10, 257, 298, 373, 417, 449, 517, , 521
ESP10, 264, 305, 380, 424, 454, 520, , 524
ESP10, 267, 310, 382, 427, 457, 523, , 527
ESP10, 263, 307, 378, 420, 451, 526, , 530
ESP10, 259, 304, 373, 416, 448, 529, , 533
ESP10, 260, 309, 375, 416, 449, 532, , 536
ESP10, 258, 309, 374, 415, 448, 535, , 539
ESP10, 259, 311, 375, 416, 450, 539, , 543
ESP10, 258, 307, 373, 414, 447, 542, , 546
ESP10, 254, 301, 367, 410, 441, 545, , 549
ESP10, 239, 288, 356, 401, 429, 548, , 552
ESP10, 233, 283, 350, 395, 424, 551, , 555
ESP10, 228, 282, 346, 390, 419, 554, , 558
ESP10, 228, 282, 342, 388, 416, 557, , 561
ESP10, 220, 273, 334, 384, 410, 560, , 564
ESP10, 222, 273, 332, 387, 410, 563, , 567
ESP10, 227, 276, 336, 391, 413, 567, , 571
ESP10, 226, 272, 332, 387, 412, 570, , 574
ESP10, 231, 275, 335, 389, 416, 573, , 577
ESP10, 241, 285, 346, 399, 427, 576, , 580
ESP10, 238, 285, 345, 396, 429, 579, , 583
ESP10, 239, 289, 348, 399, 433, 582, , 586
ESP10, 230, 283, 341, 393, 427, 585, , 589
ESP10, 223, 281, 339, 390, 423, 588, , 592
ESP10, 226, 287, 349, 394, 427, 592, , 596
ESP10, 227, 290, 348, 393, 427, 595, , 599
ESP10, 234, 297, 353, 395, 430, 598, , 602
ESP10, 236, 297, 351, 394, 430, 601, , 605
ESP10, 241, 303, 349, 393, 430, 604, , 608
ESP10, 249, 303, 352, 394, 431, 607, , 611
ESP10, 251, 291, 346, 385, 420, 610, , 614
ESP10, 247, 297, 343, 387, 416, 613, , 617
ESP10, 257, 309, 354, 398, 425, 616, , 620
ESP10, 251, 306, 353, 393, 413, 620, , 624
ESP10, 262, 313, 359, 404, 426, 623, , 627
ESP10, 278, 312, 360, 407, 429, 626, , 630
ESP10, 277, 309, 358, 408, 435, 629, , 633
ESP10, 281, 311, 370, 412, 444, 632, , 636
ESP10, 287, 318, 373, 416, 446, 635, , 639
ESP10, 284, 315, 370, 415, 445, 638, , 642
ESP10, 294, 320, 372, 421, 450, 641, , 645
ESP10, 297, 318, 374, 424, 451, 645, , 649
ESP10, 299, 323, 376, 426, 455, 648, , 652
ESP10, 291, 319, 369, 418, 450, 651, , 655
ESP10, 293, 329, 377, 424, 453, 654, , 658
ESP10, 281, 320, 367, 417, 446, 657, , 661
ESP10, 271, 310, 355, 408, 434, 660, , 664
ESP10, 266, 320, 349, 403, 429, 663, , 667
ESP10, 259, 315, 341, 396, 423, 666, , 670
ESP10, 260, 316, 341, 399, 422, 669, , 673
ESP10, 270, 319, 346, 398, 420, 673, , 677
ESP10, 282, 326, 358, 406, 425, 676, , 680
ESP10, 295, 340, 379, 420, 439, 679, , 683
ESP10, 306, 348, 385, 424, 441, 682, , 686
ESP10, 313, 353, 398, 426, 442, 685, , 689
ESP10, 314, 355, 396, 424, 441, 688, , 692
ESP10, 313, 352, 394, 427, 438, 691, , 695
ESP10, 314, 359, 394, 430, 438, 694, , 698
ESP10, 313, 356, 393, 426, 435, 697, , 701
ESP10, 310, 350, 384, 418, 426, 701, , 705
ESP10, 330, 360, 396, 424, 432, 704, , 708
ESP10, 336, 362, 399, 424, 432, 707, , 711
ESP10, 340, 367, 402, 425, 433, 710, , 714
ESP10, 341, 372, 402, 425, 433, 713, , 717
ESP10, 342, 376, 405, 425, 432, 716, , 720
ESP10, 343, 375, 402, 424, 432, 719, , 723
ESP10, 344, 378, 402, 424, 431, 722, , 726
ESP10, 343, 379, 405, 425, 430, 726, , 730
ESP10, 345, 381, 408, 426, 431, 729, , 733
ESP10, 346, 381, 408, 426, 431, 732, , 736
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ESP10
HEFS
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Data Files
/chpsesp/ensemble/natural/ALRW1N_SQIN.ESPF10.csv
ALRW1N_SQIN.ESPF0.csv|2026-05-02
ALRW1N_SQIN.ESPF10.csv|2026-05-02
ALRW1N_SQIN.ESPFM.csv|2026-05-02
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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