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Archive:
Water Year
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SF FLATHEAD - HUNGRY HORSE DAM
(
HHWM8
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-06-28
Issued:
2026-06-28
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
2000
2008
96
2037
2088
APR-JUL
1901
1901
96
1904
1981
APR-AUG
1959
1964
96
1974
2043
JAN-SEP
2574
2583
110
2612
2343
JAN-JUL
2475
2475
111
2478
2236
OCT-SEP
3101
3109
121
3138
2567
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-06-28
Issued:
2026-06-28
Hide Forecast
APR-SEP
1881
1962
94
2080
2088
APR-JUL
1787
1859
94
1966
1981
APR-AUG
1839
1915
94
2037
2043
JAN-SEP
2456
2536
108
2655
2343
JAN-JUL
2361
2434
109
2541
2236
OCT-SEP
2982
3063
119
3181
2567
Reference
ESP with 0 Days QPF
Ensemble:
2026-06-28
Issued:
2026-06-28
Hide Forecast
APR-SEP
1845
1854
89
1927
2088
APR-JUL
1756
1759
89
1803
1981
APR-AUG
1805
1814
89
1863
2043
JAN-SEP
2419
2428
104
2501
2343
JAN-JUL
2330
2333
104
2378
2236
OCT-SEP
2946
2955
115
3028
2567
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 249, 296, 376, 419, 449, 70, , 74
ESP10, 249, 294, 375, 417, 448, 73, , 77
ESP10, 250, 292, 374, 415, 447, 75, , 79
ESP10, 251, 291, 374, 415, 447, 78, , 82
ESP10, 255, 291, 375, 415, 447, 80, , 84
ESP10, 253, 289, 369, 411, 444, 83, , 87
ESP10, 250, 286, 368, 408, 443, 85, , 89
ESP10, 255, 292, 374, 413, 451, 88, , 92
ESP10, 253, 292, 373, 410, 452, 90, , 94
ESP10, 251, 290, 370, 407, 450, 93, , 97
ESP10, 250, 287, 363, 402, 447, 95, , 99
ESP10, 260, 295, 371, 408, 454, 98, , 102
ESP10, 260, 296, 373, 408, 457, 100, , 104
ESP10, 259, 295, 373, 408, 457, 102, , 106
ESP10, 256, 295, 372, 406, 454, 105, , 109
ESP10, 249, 288, 370, 401, 449, 107, , 111
ESP10, 246, 285, 367, 398, 447, 110, , 114
ESP10, 244, 288, 369, 399, 446, 112, , 116
ESP10, 243, 286, 369, 399, 445, 115, , 119
ESP10, 245, 288, 373, 402, 447, 117, , 121
ESP10, 239, 281, 366, 398, 441, 120, , 124
ESP10, 248, 285, 372, 402, 445, 122, , 126
ESP10, 244, 280, 368, 399, 440, 125, , 129
ESP10, 252, 285, 373, 404, 445, 127, , 131
ESP10, 255, 288, 374, 408, 447, 130, , 134
ESP10, 247, 279, 366, 399, 440, 132, , 136
ESP10, 247, 280, 367, 399, 440, 135, , 139
ESP10, 255, 284, 372, 402, 446, 137, , 141
ESP10, 253, 282, 370, 400, 447, 139, , 143
ESP10, 243, 271, 359, 389, 438, 142, , 146
ESP10, 251, 275, 362, 393, 441, 144, , 148
ESP10, 259, 280, 364, 397, 442, 147, , 151
ESP10, 257, 283, 364, 398, 440, 149, , 153
ESP10, 259, 286, 366, 402, 441, 152, , 156
ESP10, 259, 288, 367, 403, 440, 154, , 158
ESP10, 262, 290, 369, 406, 444, 157, , 161
ESP10, 264, 289, 369, 406, 444, 159, , 163
ESP10, 260, 286, 367, 402, 441, 162, , 166
ESP10, 261, 288, 369, 403, 445, 164, , 168
ESP10, 261, 288, 370, 406, 446, 167, , 171
ESP10, 265, 292, 374, 411, 449, 169, , 173
ESP10, 266, 292, 373, 410, 449, 171, , 175
ESP10, 267, 298, 374, 412, 451, 174, , 178
ESP10, 270, 305, 377, 418, 455, 176, , 180
ESP10, 269, 302, 375, 414, 451, 179, , 183
ESP10, 268, 303, 381, 414, 449, 181, , 185
ESP10, 261, 296, 376, 407, 441, 184, , 188
ESP10, 274, 310, 388, 419, 456, 186, , 190
ESP10, 269, 305, 384, 415, 453, 189, , 193
ESP10, 268, 308, 384, 414, 452, 191, , 195
ESP10, 261, 302, 376, 407, 443, 194, , 198
ESP10, 263, 305, 377, 408, 450, 196, , 200
ESP10, 253, 294, 368, 399, 440, 199, , 203
ESP10, 264, 303, 376, 406, 449, 201, , 205
ESP10, 248, 292, 363, 395, 434, 203, , 207
ESP10, 249, 294, 364, 398, 442, 206, , 210
ESP10, 244, 292, 362, 395, 437, 208, , 212
ESP10, 245, 291, 363, 395, 436, 211, , 215
ESP10, 249, 296, 365, 400, 440, 213, , 217
ESP10, 234, 282, 353, 387, 426, 216, , 220
ESP10, 219, 273, 341, 375, 412, 218, , 222
ESP10, 223, 281, 345, 378, 415, 221, , 225
ESP10, 201, 260, 328, 362, 397, 223, , 227
ESP10, 180, 240, 312, 347, 380, 226, , 230
ESP10, 182, 242, 313, 349, 381, 228, , 232
ESP10, 181, 238, 308, 345, 378, 231, , 235
ESP10, 200, 256, 328, 359, 391, 233, , 237
ESP10, 184, 245, 316, 347, 378, 236, , 240
ESP10, 174, 230, 303, 340, 362, 238, , 242
ESP10, 178, 228, 303, 340, 364, 240, , 244
ESP10, 179, 231, 306, 342, 364, 243, , 247
ESP10, 174, 229, 303, 340, 361, 245, , 249
ESP10, 179, 236, 309, 346, 368, 248, , 252
ESP10, 181, 238, 311, 349, 372, 250, , 254
ESP10, 189, 245, 316, 357, 379, 253, , 257
ESP10, 190, 245, 316, 357, 379, 255, , 259
ESP10, 196, 252, 323, 363, 386, 258, , 262
ESP10, 199, 252, 324, 362, 386, 260, , 264
ESP10, 213, 260, 331, 368, 393, 263, , 267
ESP10, 218, 260, 334, 368, 391, 265, , 269
ESP10, 227, 267, 335, 368, 395, 268, , 272
ESP10, 231, 272, 338, 370, 396, 270, , 274
ESP10, 234, 276, 343, 374, 398, 272, , 276
ESP10, 232, 276, 340, 372, 396, 275, , 279
ESP10, 231, 272, 337, 368, 394, 277, , 281
ESP10, 229, 270, 337, 368, 392, 280, , 284
ESP10, 231, 275, 338, 370, 396, 282, , 286
ESP10, 240, 278, 339, 374, 403, 285, , 289
ESP10, 246, 278, 341, 377, 404, 287, , 291
ESP10, 248, 280, 340, 377, 403, 290, , 294
ESP10, 246, 281, 339, 376, 400, 292, , 296
ESP10, 237, 273, 332, 367, 390, 295, , 299
ESP10, 238, 273, 332, 366, 391, 297, , 301
ESP10, 242, 274, 334, 366, 395, 300, , 304
ESP10, 236, 269, 329, 361, 393, 302, , 306
ESP10, 233, 270, 326, 359, 389, 304, , 308
ESP10, 229, 271, 325, 356, 387, 307, , 311
ESP10, 232, 277, 326, 358, 386, 309, , 313
ESP10, 245, 283, 334, 369, 394, 312, , 316
ESP10, 250, 287, 336, 371, 395, 314, , 318
ESP10, 253, 292, 339, 376, 397, 317, , 321
ESP10, 254, 295, 342, 377, 396, 319, , 323
ESP10, 256, 298, 344, 380, 396, 322, , 326
ESP10, 258, 297, 341, 377, 394, 324, , 328
ESP10, 259, 301, 343, 378, 394, 327, , 331
ESP10, 258, 299, 344, 377, 391, 329, , 333
ESP10, 259, 298, 342, 375, 389, 332, , 336
ESP10, 262, 299, 342, 375, 389, 334, , 338
ESP10, 259, 296, 339, 372, 388, 336, , 340
ESP10, 276, 309, 352, 384, 404, 339, , 343
ESP10, 275, 308, 354, 387, 405, 341, , 345
ESP10, 278, 310, 357, 390, 408, 344, , 348
ESP10, 277, 309, 358, 389, 406, 346, , 350
ESP10, 283, 315, 363, 396, 411, 349, , 353
ESP10, 280, 316, 362, 396, 410, 351, , 355
ESP10, 281, 322, 363, 397, 410, 354, , 358
ESP10, 282, 325, 364, 398, 411, 356, , 360
ESP10, 279, 325, 358, 392, 409, 359, , 363
ESP10, 279, 329, 356, 390, 412, 361, , 365
ESP10, 281, 328, 356, 389, 412, 364, , 368
ESP10, 285, 328, 359, 391, 413, 366, , 370
ESP10, 284, 322, 358, 387, 408, 369, , 373
ESP10, 287, 324, 361, 389, 411, 371, , 375
ESP10, 290, 328, 362, 389, 412, 373, , 377
ESP10, 296, 334, 368, 396, 414, 376, , 380
ESP10, 297, 337, 366, 395, 412, 378, , 382
ESP10, 299, 338, 364, 394, 413, 381, , 385
ESP10, 299, 337, 363, 393, 411, 383, , 387
ESP10, 296, 332, 360, 391, 406, 386, , 390
ESP10, 302, 335, 363, 397, 412, 388, , 392
ESP10, 301, 334, 360, 397, 411, 391, , 395
ESP10, 305, 335, 360, 398, 415, 393, , 397
ESP10, 302, 333, 363, 396, 413, 396, , 400
ESP10, 303, 334, 366, 394, 414, 398, , 402
ESP10, 301, 329, 363, 390, 413, 401, , 405
ESP10, 296, 325, 361, 391, 413, 403, , 407
ESP10, 296, 324, 360, 391, 413, 405, , 409
ESP10, 301, 326, 362, 397, 416, 408, , 412
ESP10, 300, 321, 358, 393, 413, 410, , 414
ESP10, 305, 322, 359, 394, 417, 413, , 417
ESP10, 303, 319, 358, 392, 413, 415, , 419
ESP10, 306, 321, 361, 393, 412, 418, , 422
ESP10, 303, 323, 360, 388, 407, 420, , 424
ESP10, 303, 326, 359, 387, 406, 423, , 427
ESP10, 305, 330, 360, 389, 406, 425, , 429
ESP10, 310, 336, 366, 393, 410, 428, , 432
ESP10, 313, 343, 370, 397, 414, 430, , 434
ESP10, 311, 342, 368, 395, 413, 433, , 437
ESP10, 306, 340, 367, 391, 409, 435, , 439
ESP10, 294, 333, 358, 382, 398, 437, , 441
ESP10, 300, 341, 364, 391, 404, 440, , 444
ESP10, 298, 339, 361, 391, 401, 442, , 446
ESP10, 291, 331, 354, 383, 395, 445, , 449
ESP10, 283, 324, 348, 378, 385, 447, , 451
ESP10, 281, 321, 343, 374, 379, 450, , 454
ESP10, 277, 313, 337, 366, 371, 452, , 456
ESP10, 269, 305, 329, 355, 364, 455, , 459
ESP10, 276, 312, 334, 361, 371, 457, , 461
ESP10, 262, 295, 319, 345, 357, 460, , 464
ESP10, 276, 309, 334, 357, 369, 462, , 466
ESP10, 288, 317, 343, 365, 377, 465, , 469
ESP10, 287, 317, 342, 364, 376, 467, , 471
ESP10, 293, 325, 349, 372, 383, 470, , 474
ESP10, 292, 326, 348, 371, 385, 472, , 476
ESP10, 289, 324, 346, 370, 386, 474, , 478
ESP10, 283, 319, 339, 363, 380, 477, , 481
ESP10, 279, 315, 334, 360, 377, 479, , 483
ESP10, 283, 319, 338, 365, 382, 482, , 486
ESP10, 288, 320, 341, 367, 387, 484, , 488
ESP10, 290, 323, 344, 368, 391, 487, , 491
ESP10, 291, 323, 347, 367, 390, 489, , 493
ESP10, 291, 326, 350, 369, 395, 492, , 496
ESP10, 298, 330, 355, 372, 401, 494, , 498
ESP10, 290, 320, 348, 361, 394, 497, , 501
ESP10, 296, 321, 351, 362, 396, 499, , 503
ESP10, 301, 321, 351, 359, 395, 502, , 506
ESP10, 298, 317, 349, 357, 391, 504, , 508
ESP10, 301, 320, 354, 361, 394, 506, , 510
ESP10, 299, 319, 352, 360, 392, 509, , 513
ESP10, 294, 314, 347, 359, 386, 511, , 515
ESP10, 294, 312, 345, 360, 384, 514, , 518
ESP10, 298, 317, 348, 363, 389, 516, , 520
ESP10, 296, 315, 347, 362, 387, 519, , 523
ESP10, 301, 323, 353, 371, 392, 521, , 525
ESP10, 302, 329, 354, 371, 394, 524, , 528
ESP10, 299, 326, 349, 368, 391, 526, , 530
ESP10, 300, 325, 350, 367, 390, 529, , 533
ESP10, 297, 324, 348, 366, 388, 531, , 535
ESP10, 294, 321, 349, 364, 386, 534, , 538
ESP10, 297, 318, 342, 359, 379, 536, , 540
ESP10, 297, 317, 340, 357, 377, 538, , 542
ESP10, 299, 320, 344, 361, 379, 541, , 545
ESP10, 322, 342, 368, 385, 402, 543, , 547
ESP10, 320, 340, 367, 382, 401, 546, , 550
ESP10, 321, 338, 366, 382, 400, 548, , 552
ESP10, 323, 339, 368, 383, 399, 551, , 555
ESP10, 314, 331, 359, 376, 391, 553, , 557
ESP10, 322, 343, 366, 382, 398, 556, , 560
ESP10, 320, 343, 369, 381, 398, 558, , 562
ESP10, 325, 350, 372, 384, 402, 561, , 565
ESP10, 326, 348, 370, 383, 399, 563, , 567
ESP10, 327, 350, 370, 386, 401, 566, , 570
ESP10, 327, 350, 371, 386, 401, 568, , 572
ESP10, 336, 361, 383, 398, 411, 571, , 575
ESP10, 327, 352, 376, 390, 403, 573, , 577
ESP10, 326, 352, 374, 392, 404, 575, , 579
ESP10, 321, 347, 371, 386, 400, 578, , 582
ESP10, 319, 342, 366, 380, 394, 580, , 584
ESP10, 320, 341, 367, 381, 393, 583, , 587
ESP10, 321, 345, 369, 383, 394, 585, , 589
ESP10, 323, 349, 370, 386, 399, 588, , 592
ESP10, 325, 351, 375, 390, 403, 590, , 594
ESP10, 327, 354, 378, 393, 405, 593, , 597
ESP10, 327, 355, 377, 393, 407, 595, , 599
ESP10, 329, 355, 376, 392, 407, 598, , 602
ESP10, 326, 354, 374, 390, 404, 600, , 604
ESP10, 324, 354, 371, 388, 402, 603, , 607
ESP10, 323, 353, 369, 386, 399, 605, , 609
ESP10, 322, 348, 367, 384, 396, 607, , 611
ESP10, 323, 347, 370, 385, 397, 610, , 614
ESP10, 325, 347, 371, 384, 396, 612, , 616
ESP10, 325, 347, 372, 383, 396, 615, , 619
ESP10, 328, 345, 369, 378, 388, 617, , 621
ESP10, 335, 347, 372, 382, 391, 620, , 624
ESP10, 322, 333, 359, 372, 380, 622, , 626
ESP10, 325, 338, 365, 377, 384, 625, , 629
ESP10, 321, 335, 358, 371, 380, 627, , 631
ESP10, 319, 335, 356, 367, 380, 630, , 634
ESP10, 321, 336, 357, 366, 379, 632, , 636
ESP10, 321, 338, 357, 370, 379, 635, , 639
ESP10, 316, 334, 350, 364, 373, 637, , 641
ESP10, 315, 333, 350, 362, 371, 639, , 643
ESP10, 317, 333, 351, 361, 370, 642, , 646
ESP10, 307, 325, 343, 349, 358, 644, , 648
ESP10, 316, 329, 347, 355, 362, 647, , 651
ESP10, 317, 334, 349, 358, 362, 649, , 653
ESP10, 314, 330, 346, 354, 358, 652, , 656
ESP10, 336, 350, 366, 373, 379, 654, , 658
ESP10, 302, 318, 331, 343, 348, 657, , 661
ESP10, 298, 313, 326, 338, 344, 659, , 663
ESP10, 311, 326, 336, 348, 356, 662, , 666
ESP10, 311, 330, 342, 350, 358, 664, , 668
ESP10, 309, 327, 340, 349, 354, 667, , 671
ESP10, 305, 325, 336, 346, 350, 669, , 673
ESP10, 306, 325, 337, 346, 349, 671, , 675
ESP10, 294, 312, 322, 330, 334, 674, , 678
ESP10, 302, 319, 329, 337, 340, 676, , 680
ESP10, 305, 320, 330, 338, 342, 679, , 683
ESP10, 326, 341, 349, 357, 360, 681, , 685
ESP10, 325, 336, 346, 352, 356, 684, , 688
ESP10, 327, 336, 348, 352, 356, 686, , 690
ESP10, 334, 343, 351, 355, 356, 689, , 693
ESP10, 337, 347, 353, 356, 357, 691, , 695
ESP10, 335, 346, 353, 355, 357, 694, , 698
ESP10, 335, 346, 353, 355, 356, 696, , 700
ESP10, 338, 349, 354, 356, 358, 699, , 703
ESP10, 338, 349, 354, 356, 358, 701, , 705
ESP10, 339, 350, 354, 356, 357, 704, , 708
ESP10, 335, 349, 352, 354, 355, 706, , 710
ESP10, 341, 351, 354, 356, 357, 708, , 712
ESP10, 344, 350, 354, 355, 356, 711, , 715
ESP10, 346, 350, 353, 354, 354, 713, , 717
ESP10, 345, 350, 352, 353, 353, 716, , 720
ESP10, 341, 347, 348, 349, 350, 718, , 722
ESP10, 339, 345, 346, 347, 347, 721, , 725
ESP10, 341, 346, 347, 348, 348, 723, , 727
ESP10, 334, 339, 339, 340, 341, 726, , 730
ESP10, 330, 335, 335, 336, 337, 728, , 732
ESP10, 325, 329, 330, 331, 331, 731, , 735
ESP10, 315, 319, 320, 322, 322, 733, , 737
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ESP10
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Data Files
/chpsesp/ensemble/watersupply/HHWM8W_SQIN.ESPF10.csv
HHWM8W_SQIN.ESPF0.csv|2026-06-28
HHWM8W_SQIN.ESPF10.csv|2026-06-28
HHWM8W_SQIN.ESPFM.csv|2026-06-28
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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