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Water Year
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SF FLATHEAD - HUNGRY HORSE DAM
(
HHWM8
)
Forecasts for Water Year
2025
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1479
1482
71
1496
2086
APR-JUL
1393
1393
71
1393
1974
APR-AUG
1442
1442
71
1446
2040
JAN-SEP
1733
1736
74
1750
2336
JAN-JUL
1647
1647
74
1647
2224
OCT-SEP
1870
1873
73
1887
2566
Experimental
HEFS with 15 days EQPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
APR-SEP
1479
1482
71
1499
2086
APR-JUL
1393
1393
71
1393
1974
APR-AUG
1442
1442
71
1450
2040
JAN-SEP
1733
1736
74
1753
2336
JAN-JUL
1647
1647
74
1647
2224
OCT-SEP
1870
1873
73
1890
2566
Reference
ESP with 0 Days QPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
APR-SEP
1479
1482
71
1502
2086
APR-JUL
1393
1393
71
1393
1974
APR-AUG
1442
1442
71
1449
2040
JAN-SEP
1733
1737
74
1757
2336
JAN-JUL
1647
1647
74
1648
2224
OCT-SEP
1871
1874
73
1894
2566
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 233, 275, 352, 397, 423, 70, , 74
ESP10, 234, 275, 353, 398, 423, 73, , 77
ESP10, 237, 276, 358, 399, 423, 75, , 79
ESP10, 246, 285, 369, 406, 430, 77, , 81
ESP10, 253, 289, 374, 408, 433, 80, , 84
ESP10, 254, 288, 373, 407, 435, 82, , 86
ESP10, 254, 289, 374, 407, 438, 84, , 88
ESP10, 256, 290, 375, 407, 442, 86, , 90
ESP10, 253, 290, 372, 404, 443, 89, , 93
ESP10, 254, 291, 371, 404, 442, 91, , 95
ESP10, 257, 293, 370, 402, 442, 93, , 97
ESP10, 259, 292, 366, 401, 440, 96, , 100
ESP10, 262, 296, 372, 407, 447, 98, , 102
ESP10, 264, 299, 378, 411, 452, 100, , 104
ESP10, 263, 301, 377, 410, 452, 103, , 107
ESP10, 262, 300, 379, 410, 451, 105, , 109
ESP10, 262, 301, 380, 411, 451, 107, , 111
ESP10, 261, 303, 384, 411, 450, 110, , 114
ESP10, 259, 300, 382, 409, 447, 112, , 116
ESP10, 253, 295, 377, 409, 444, 114, , 118
ESP10, 256, 296, 379, 411, 448, 117, , 121
ESP10, 260, 298, 383, 412, 449, 119, , 123
ESP10, 260, 297, 383, 411, 451, 121, , 125
ESP10, 266, 299, 385, 413, 454, 123, , 127
ESP10, 267, 300, 386, 419, 461, 126, , 130
ESP10, 267, 298, 386, 421, 462, 128, , 132
ESP10, 266, 298, 386, 419, 461, 130, , 134
ESP10, 269, 300, 386, 424, 464, 133, , 137
ESP10, 270, 302, 386, 423, 464, 135, , 139
ESP10, 274, 303, 386, 423, 465, 137, , 141
ESP10, 269, 295, 382, 413, 456, 140, , 144
ESP10, 272, 294, 381, 409, 452, 142, , 146
ESP10, 270, 297, 382, 409, 449, 144, , 148
ESP10, 266, 292, 378, 406, 442, 147, , 151
ESP10, 263, 291, 375, 404, 439, 149, , 153
ESP10, 256, 283, 368, 398, 431, 151, , 155
ESP10, 266, 292, 375, 406, 437, 153, , 157
ESP10, 257, 284, 367, 399, 428, 156, , 160
ESP10, 260, 290, 369, 402, 434, 158, , 162
ESP10, 264, 294, 372, 406, 438, 160, , 164
ESP10, 272, 302, 378, 414, 445, 163, , 167
ESP10, 280, 309, 384, 422, 452, 165, , 169
ESP10, 274, 307, 379, 417, 448, 167, , 171
ESP10, 276, 314, 381, 419, 451, 170, , 174
ESP10, 262, 294, 367, 404, 434, 172, , 176
ESP10, 248, 284, 367, 393, 423, 174, , 178
ESP10, 250, 284, 367, 394, 425, 177, , 181
ESP10, 256, 291, 371, 398, 433, 179, , 183
ESP10, 258, 294, 372, 398, 438, 181, , 185
ESP10, 262, 301, 377, 401, 443, 184, , 188
ESP10, 255, 294, 369, 396, 434, 186, , 190
ESP10, 263, 303, 374, 403, 444, 188, , 192
ESP10, 271, 311, 384, 412, 453, 190, , 194
ESP10, 272, 310, 384, 412, 452, 193, , 197
ESP10, 267, 310, 379, 411, 447, 195, , 199
ESP10, 267, 312, 380, 412, 455, 197, , 201
ESP10, 268, 313, 381, 412, 457, 200, , 204
ESP10, 276, 319, 390, 419, 464, 202, , 206
ESP10, 278, 323, 390, 422, 465, 204, , 208
ESP10, 279, 324, 393, 423, 466, 207, , 211
ESP10, 280, 331, 396, 425, 468, 209, , 213
ESP10, 273, 328, 391, 420, 460, 211, , 215
ESP10, 276, 330, 392, 423, 460, 214, , 218
ESP10, 273, 327, 387, 420, 457, 216, , 220
ESP10, 270, 324, 384, 416, 454, 218, , 222
ESP10, 281, 330, 390, 421, 461, 220, , 224
ESP10, 280, 329, 395, 420, 460, 223, , 227
ESP10, 286, 341, 404, 427, 465, 225, , 229
ESP10, 273, 322, 388, 421, 448, 227, , 231
ESP10, 278, 323, 389, 424, 451, 230, , 234
ESP10, 282, 330, 394, 428, 454, 232, , 236
ESP10, 283, 332, 397, 431, 457, 234, , 238
ESP10, 277, 327, 392, 427, 453, 237, , 241
ESP10, 274, 325, 390, 426, 452, 239, , 243
ESP10, 269, 318, 384, 422, 445, 241, , 245
ESP10, 273, 321, 387, 424, 448, 244, , 248
ESP10, 260, 311, 377, 415, 439, 246, , 250
ESP10, 271, 318, 385, 421, 446, 248, , 252
ESP10, 267, 311, 378, 412, 440, 251, , 255
ESP10, 272, 312, 379, 412, 436, 253, , 257
ESP10, 268, 308, 370, 403, 430, 255, , 259
ESP10, 272, 312, 371, 405, 432, 257, , 261
ESP10, 270, 312, 373, 404, 429, 260, , 264
ESP10, 281, 322, 380, 412, 437, 262, , 266
ESP10, 277, 314, 375, 405, 431, 264, , 268
ESP10, 273, 311, 375, 402, 428, 267, , 271
ESP10, 266, 306, 367, 396, 421, 269, , 273
ESP10, 269, 302, 364, 397, 425, 271, , 275
ESP10, 275, 307, 366, 400, 427, 274, , 278
ESP10, 277, 310, 366, 401, 426, 276, , 280
ESP10, 274, 309, 365, 399, 421, 278, , 282
ESP10, 273, 308, 363, 396, 418, 281, , 285
ESP10, 276, 310, 363, 397, 421, 283, , 287
ESP10, 281, 311, 366, 398, 426, 285, , 289
ESP10, 285, 317, 370, 405, 431, 290, , 294
ESP10, 283, 322, 369, 403, 430, 292, , 296
ESP10, 283, 326, 369, 403, 429, 294, , 298
ESP10, 285, 326, 370, 403, 430, 297, , 301
ESP10, 288, 329, 371, 406, 430, 299, , 303
ESP10, 286, 330, 370, 405, 428, 301, , 305
ESP10, 293, 335, 376, 409, 430, 304, , 308
ESP10, 293, 336, 376, 409, 429, 306, , 310
ESP10, 298, 335, 376, 409, 428, 308, , 312
ESP10, 301, 337, 381, 410, 428, 311, , 315
ESP10, 303, 338, 385, 411, 429, 313, , 317
ESP10, 302, 337, 384, 411, 428, 315, , 319
ESP10, 305, 337, 384, 414, 429, 318, , 322
ESP10, 308, 339, 385, 418, 432, 320, , 324
ESP10, 312, 341, 388, 422, 436, 322, , 326
ESP10, 313, 339, 388, 419, 435, 324, , 328
ESP10, 317, 344, 392, 421, 438, 327, , 331
ESP10, 317, 346, 395, 420, 437, 329, , 333
ESP10, 318, 346, 395, 421, 438, 331, , 335
ESP10, 317, 351, 394, 421, 437, 334, , 338
ESP10, 318, 355, 394, 421, 437, 336, , 340
ESP10, 313, 353, 389, 417, 436, 338, , 342
ESP10, 301, 345, 378, 405, 426, 341, , 345
ESP10, 312, 359, 386, 413, 439, 343, , 347
ESP10, 314, 358, 388, 412, 438, 345, , 349
ESP10, 316, 359, 392, 413, 439, 348, , 352
ESP10, 323, 364, 398, 422, 445, 350, , 354
ESP10, 324, 364, 399, 422, 444, 352, , 356
ESP10, 328, 367, 400, 422, 444, 354, , 358
ESP10, 330, 369, 401, 423, 445, 357, , 361
ESP10, 329, 367, 397, 422, 440, 359, , 363
ESP10, 331, 368, 398, 424, 440, 361, , 365
ESP10, 333, 365, 395, 422, 439, 364, , 368
ESP10, 326, 357, 387, 416, 430, 366, , 370
ESP10, 334, 362, 393, 422, 438, 368, , 372
ESP10, 330, 359, 389, 421, 435, 371, , 375
ESP10, 333, 361, 388, 421, 436, 373, , 377
ESP10, 334, 361, 391, 422, 437, 375, , 379
ESP10, 334, 360, 393, 419, 437, 378, , 382
ESP10, 335, 362, 397, 421, 444, 380, , 384
ESP10, 329, 356, 392, 420, 445, 382, , 386
ESP10, 329, 354, 391, 420, 442, 385, , 389
ESP10, 329, 351, 388, 421, 440, 387, , 391
ESP10, 339, 357, 395, 429, 447, 389, , 393
ESP10, 339, 355, 393, 426, 448, 391, , 395
ESP10, 318, 339, 376, 405, 427, 394, , 398
ESP10, 317, 338, 375, 404, 425, 396, , 400
ESP10, 312, 335, 368, 398, 417, 398, , 402
ESP10, 305, 332, 364, 394, 411, 401, , 405
ESP10, 310, 337, 367, 397, 414, 403, , 407
ESP10, 313, 342, 373, 401, 417, 405, , 409
ESP10, 316, 347, 375, 404, 420, 408, , 412
ESP10, 318, 352, 379, 405, 422, 410, , 414
ESP10, 317, 352, 379, 404, 421, 412, , 416
ESP10, 315, 355, 379, 404, 419, 415, , 419
ESP10, 317, 358, 382, 407, 421, 417, , 421
ESP10, 319, 360, 383, 411, 422, 419, , 423
ESP10, 320, 359, 384, 411, 422, 421, , 425
ESP10, 320, 362, 384, 412, 421, 424, , 428
ESP10, 323, 363, 384, 413, 421, 426, , 430
ESP10, 327, 360, 384, 413, 418, 428, , 432
ESP10, 326, 358, 381, 409, 417, 431, , 435
ESP10, 324, 354, 379, 404, 414, 433, , 437
ESP10, 322, 352, 378, 400, 412, 435, , 439
ESP10, 329, 363, 387, 407, 420, 438, , 442
ESP10, 333, 363, 388, 407, 420, 440, , 444
ESP10, 328, 359, 383, 401, 415, 442, , 446
ESP10, 322, 355, 380, 397, 410, 445, , 449
ESP10, 320, 352, 377, 395, 411, 447, , 451
ESP10, 321, 354, 378, 398, 412, 449, , 453
ESP10, 323, 355, 378, 400, 414, 452, , 456
ESP10, 328, 361, 382, 407, 419, 454, , 458
ESP10, 324, 355, 379, 402, 416, 456, , 460
ESP10, 324, 353, 377, 399, 416, 458, , 462
ESP10, 324, 354, 377, 397, 418, 461, , 465
ESP10, 319, 348, 375, 392, 412, 463, , 467
ESP10, 316, 344, 371, 388, 409, 465, , 469
ESP10, 319, 342, 370, 385, 409, 468, , 472
ESP10, 313, 335, 363, 377, 403, 470, , 474
ESP10, 307, 328, 357, 370, 396, 472, , 476
ESP10, 313, 334, 362, 374, 402, 475, , 479
ESP10, 318, 338, 369, 377, 404, 477, , 481
ESP10, 319, 340, 372, 379, 408, 479, , 483
ESP10, 309, 328, 362, 367, 397, 482, , 486
ESP10, 312, 331, 364, 372, 399, 484, , 488
ESP10, 308, 327, 358, 371, 395, 486, , 490
ESP10, 301, 322, 350, 363, 390, 488, , 492
ESP10, 286, 308, 337, 352, 375, 491, , 495
ESP10, 282, 303, 333, 348, 371, 493, , 497
ESP10, 278, 305, 325, 341, 366, 495, , 499
ESP10, 272, 299, 318, 337, 361, 498, , 502
ESP10, 283, 307, 327, 347, 370, 500, , 504
ESP10, 283, 308, 326, 346, 369, 502, , 506
ESP10, 278, 305, 323, 345, 364, 505, , 509
ESP10, 284, 313, 329, 352, 369, 507, , 511
ESP10, 291, 315, 335, 355, 371, 509, , 513
ESP10, 298, 324, 342, 362, 377, 512, , 516
ESP10, 288, 316, 334, 356, 370, 514, , 518
ESP10, 287, 315, 333, 354, 370, 516, , 520
ESP10, 280, 307, 326, 346, 364, 519, , 523
ESP10, 291, 314, 333, 353, 371, 521, , 525
ESP10, 293, 316, 339, 355, 373, 523, , 527
ESP10, 293, 316, 338, 354, 372, 525, , 529
ESP10, 291, 317, 338, 352, 370, 528, , 532
ESP10, 286, 312, 333, 347, 364, 530, , 534
ESP10, 290, 317, 337, 352, 368, 532, , 536
ESP10, 288, 314, 333, 348, 365, 535, , 539
ESP10, 288, 313, 334, 348, 364, 537, , 541
ESP10, 292, 317, 339, 355, 369, 539, , 543
ESP10, 294, 325, 343, 358, 373, 542, , 546
ESP10, 293, 326, 342, 359, 375, 544, , 548
ESP10, 288, 319, 338, 352, 368, 546, , 550
ESP10, 290, 317, 337, 350, 368, 549, , 553
ESP10, 284, 308, 330, 344, 360, 551, , 555
ESP10, 297, 323, 344, 358, 373, 553, , 557
ESP10, 302, 327, 351, 365, 377, 555, , 559
ESP10, 304, 328, 352, 365, 379, 558, , 562
ESP10, 291, 313, 336, 352, 363, 560, , 564
ESP10, 291, 316, 338, 351, 365, 562, , 566
ESP10, 289, 314, 335, 348, 361, 565, , 569
ESP10, 281, 305, 328, 341, 354, 567, , 571
ESP10, 280, 305, 326, 340, 354, 569, , 573
ESP10, 277, 303, 326, 338, 352, 572, , 576
ESP10, 287, 313, 336, 349, 364, 574, , 578
ESP10, 283, 308, 332, 345, 359, 576, , 580
ESP10, 298, 321, 345, 359, 370, 579, , 583
ESP10, 301, 325, 348, 362, 372, 581, , 585
ESP10, 308, 326, 350, 362, 373, 583, , 587
ESP10, 312, 329, 354, 365, 375, 586, , 590
ESP10, 310, 325, 352, 365, 373, 588, , 592
ESP10, 313, 326, 355, 369, 376, 590, , 594
ESP10, 314, 324, 354, 367, 380, 592, , 596
ESP10, 310, 322, 349, 360, 377, 595, , 599
ESP10, 318, 334, 357, 366, 384, 597, , 601
ESP10, 327, 346, 365, 379, 391, 599, , 603
ESP10, 329, 353, 368, 382, 394, 602, , 606
ESP10, 332, 354, 368, 382, 393, 604, , 608
ESP10, 331, 352, 369, 380, 393, 606, , 610
ESP10, 341, 365, 378, 393, 402, 609, , 613
ESP10, 339, 361, 373, 389, 397, 611, , 615
ESP10, 335, 357, 373, 385, 392, 613, , 617
ESP10, 331, 350, 370, 382, 386, 616, , 620
ESP10, 331, 348, 368, 378, 386, 618, , 622
ESP10, 345, 357, 375, 386, 394, 620, , 624
ESP10, 352, 365, 380, 391, 398, 622, , 626
ESP10, 363, 383, 392, 402, 410, 625, , 629
ESP10, 364, 384, 395, 404, 412, 627, , 631
ESP10, 365, 384, 396, 407, 414, 629, , 633
ESP10, 368, 386, 399, 410, 414, 632, , 636
ESP10, 365, 382, 395, 407, 411, 634, , 638
ESP10, 368, 388, 399, 409, 412, 636, , 640
ESP10, 367, 385, 395, 404, 409, 639, , 643
ESP10, 371, 389, 397, 407, 413, 641, , 645
ESP10, 377, 392, 400, 410, 414, 643, , 647
ESP10, 378, 390, 400, 408, 411, 646, , 650
ESP10, 368, 385, 390, 393, 394, 669, , 673
ESP10, 379, 393, 398, 400, 401, 671, , 675
ESP10, 384, 390, 395, 397, 398, 673, , 677
ESP10, 398, 404, 406, 408, 409, 676, , 680
ESP10, 406, 412, 414, 415, 416, 678, , 682
ESP10, 407, 413, 415, 416, 417, 680, , 684
ESP10, 408, 413, 414, 416, 416, 683, , 687
ESP10, 410, 414, 415, 416, 417, 685, , 689
ESP10, 409, 413, 414, 415, 415, 687, , 691
ESP10, 410, 414, 415, 416, 417, 689, , 693
ESP10, 410, 414, 415, 416, 417, 692, , 696
ESP10, 410, 415, 416, 416, 417, 694, , 698
ESP10, 411, 415, 416, 416, 416, 696, , 700
ESP10, 411, 414, 415, 416, 416, 699, , 703
ESP10, 411, 414, 415, 415, 416, 701, , 705
ESP10, 408, 411, 412, 412, 412, 703, , 707
ESP10, 410, 413, 414, 414, 414, 706, , 710
ESP10, 412, 414, 415, 416, 416, 708, , 712
ESP10, 412, 414, 415, 415, 416, 710, , 714
ESP10, 412, 414, 415, 416, 416, 713, , 717
ESP10, 412, 414, 415, 416, 416, 715, , 719
ESP10, 413, 414, 415, 416, 416, 717, , 721
ESP10, 413, 414, 415, 416, 416, 720, , 724
ESP10, 413, 414, 415, 415, 416, 722, , 726
ESP10, 413, 414, 415, 416, 416, 724, , 728
ESP10, 413, 414, 415, 416, 416, 726, , 730
ESP10, 413, 414, 415, 416, 416, 729, , 733
ESP10, 413, 414, 416, 416, 416, 731, , 735
ESP10, 413, 414, 415, 416, 416, 733, , 737
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
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Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/HHWM8N_SQIN.ESPF10.csv
HHWM8N_SQIN.ESPF0.csv|2025-07-16
HHWM8N_SQIN.ESPF10.csv|2025-07-16
HHWM8N_SQIN.ESPFM.csv|2025-07-16
APR-SEP
SF FLATHEAD - HUNGRY HORSE DAM
(
HHWM8
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2025-07-16
Issued:
2025-07-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1388
1836
88
2573
2086
APR-JUL
1299
1711
87
2446
1974
APR-AUG
1350
1777
87
2529
2040
JAN-SEP
1551
2110
90
2747
2336
JAN-JUL
1463
1952
88
2620
2224
OCT-SEP
1718
2331
91
3087
2566
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/HHWM8N_SQIN.ESPF10.csv
HHWM8N_SQIN.ESPF0.csv|2025-07-16
HHWM8N_SQIN.ESPF10.csv|2025-07-16
HHWM8N_SQIN.ESPFM.csv|2025-07-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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