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Archive:
Water Year
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BIG LOST - AT HOWELL RANCH NEAR CHILLY
(
HWRI1
)
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
142
142
83
142
172
APR-JUL
130
130
84
130
154
APR-AUG
137
137
83
137
165
JAN-SEP
167
168
90
168
186
JAN-JUL
156
156
92
156
168
OCT-SEP
185
186
91
186
204
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
142
142
83
143
172
APR-JUL
130
130
84
130
154
APR-AUG
137
137
83
138
165
JAN-SEP
167
168
90
168
186
JAN-JUL
156
156
92
156
168
OCT-SEP
185
186
91
186
204
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-15
Issued:
2026-08-15
Hide Forecast
APR-SEP
142
142
83
143
172
APR-JUL
130
130
84
130
154
APR-AUG
137
137
83
138
165
JAN-SEP
167
168
90
168
186
JAN-JUL
156
156
92
156
168
OCT-SEP
185
186
91
186
204
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 251, 348, 427, 457, 496, 70, , 74
ESP10, 227, 328, 407, 437, 478, 72, , 76
ESP10, 227, 326, 405, 436, 478, 74, , 78
ESP10, 227, 326, 406, 436, 479, 76, , 80
ESP10, 229, 327, 407, 437, 479, 78, , 82
ESP10, 224, 322, 401, 432, 474, 81, , 85
ESP10, 219, 318, 395, 428, 470, 83, , 87
ESP10, 226, 322, 402, 436, 474, 85, , 89
ESP10, 221, 318, 403, 433, 471, 87, , 91
ESP10, 211, 310, 393, 425, 463, 89, , 93
ESP10, 205, 304, 386, 419, 457, 91, , 95
ESP10, 215, 313, 396, 428, 467, 93, , 97
ESP10, 207, 307, 389, 422, 459, 95, , 99
ESP10, 212, 308, 392, 434, 464, 97, , 101
ESP10, 207, 303, 387, 432, 459, 99, , 103
ESP10, 197, 293, 377, 423, 451, 102, , 106
ESP10, 194, 290, 374, 422, 448, 104, , 108
ESP10, 202, 295, 378, 425, 451, 106, , 110
ESP10, 194, 296, 372, 420, 446, 108, , 112
ESP10, 205, 296, 373, 421, 446, 110, , 114
ESP10, 208, 299, 375, 422, 447, 112, , 116
ESP10, 217, 307, 383, 428, 455, 114, , 118
ESP10, 217, 307, 382, 428, 455, 116, , 120
ESP10, 218, 310, 383, 429, 456, 118, , 122
ESP10, 217, 310, 383, 429, 458, 120, , 124
ESP10, 218, 313, 385, 431, 460, 122, , 126
ESP10, 217, 314, 385, 430, 463, 125, , 129
ESP10, 218, 319, 386, 432, 464, 127, , 131
ESP10, 214, 317, 389, 431, 461, 129, , 133
ESP10, 205, 309, 381, 424, 455, 131, , 135
ESP10, 202, 307, 378, 424, 454, 133, , 137
ESP10, 207, 314, 383, 433, 458, 135, , 139
ESP10, 211, 314, 383, 432, 462, 137, , 141
ESP10, 217, 315, 387, 433, 462, 139, , 143
ESP10, 220, 314, 386, 433, 462, 141, , 145
ESP10, 227, 314, 387, 434, 463, 143, , 147
ESP10, 224, 310, 384, 434, 461, 145, , 149
ESP10, 211, 298, 373, 423, 454, 148, , 152
ESP10, 222, 299, 374, 425, 457, 150, , 154
ESP10, 226, 300, 376, 427, 458, 152, , 156
ESP10, 235, 309, 383, 433, 466, 154, , 158
ESP10, 232, 308, 382, 430, 465, 156, , 160
ESP10, 234, 308, 382, 429, 463, 158, , 162
ESP10, 230, 308, 380, 427, 461, 160, , 164
ESP10, 235, 310, 382, 428, 462, 162, , 166
ESP10, 237, 311, 384, 429, 464, 164, , 168
ESP10, 240, 314, 391, 430, 468, 166, , 170
ESP10, 245, 317, 393, 431, 468, 169, , 173
ESP10, 244, 313, 389, 429, 466, 171, , 175
ESP10, 238, 307, 382, 424, 462, 173, , 177
ESP10, 249, 310, 382, 425, 468, 175, , 179
ESP10, 246, 311, 381, 424, 469, 177, , 181
ESP10, 251, 315, 387, 434, 476, 179, , 183
ESP10, 254, 317, 387, 435, 476, 181, , 185
ESP10, 254, 318, 387, 435, 477, 183, , 187
ESP10, 257, 317, 387, 437, 476, 185, , 189
ESP10, 257, 314, 386, 437, 474, 187, , 191
ESP10, 260, 315, 390, 438, 474, 189, , 193
ESP10, 266, 319, 391, 440, 476, 192, , 196
ESP10, 260, 311, 385, 436, 469, 194, , 198
ESP10, 262, 313, 386, 436, 472, 196, , 200
ESP10, 265, 318, 392, 438, 474, 198, , 202
ESP10, 267, 319, 393, 439, 475, 200, , 204
ESP10, 254, 308, 385, 435, 467, 202, , 206
ESP10, 252, 304, 383, 434, 467, 204, , 208
ESP10, 259, 303, 381, 432, 466, 206, , 210
ESP10, 256, 299, 378, 429, 464, 208, , 212
ESP10, 274, 318, 393, 442, 478, 210, , 214
ESP10, 275, 318, 397, 443, 478, 212, , 216
ESP10, 265, 306, 386, 434, 468, 215, , 219
ESP10, 264, 299, 378, 427, 459, 217, , 221
ESP10, 254, 287, 369, 419, 449, 219, , 223
ESP10, 240, 278, 357, 408, 440, 221, , 225
ESP10, 238, 275, 352, 402, 436, 223, , 227
ESP10, 242, 275, 352, 405, 438, 225, , 229
ESP10, 232, 263, 342, 396, 434, 227, , 231
ESP10, 226, 258, 336, 391, 434, 229, , 233
ESP10, 234, 263, 339, 391, 434, 231, , 235
ESP10, 229, 261, 333, 386, 429, 233, , 237
ESP10, 234, 268, 332, 385, 428, 236, , 240
ESP10, 228, 262, 323, 377, 419, 238, , 242
ESP10, 223, 262, 321, 374, 414, 240, , 244
ESP10, 220, 261, 322, 369, 410, 242, , 246
ESP10, 214, 251, 312, 361, 403, 244, , 248
ESP10, 211, 245, 308, 358, 398, 246, , 250
ESP10, 223, 256, 317, 363, 409, 248, , 252
ESP10, 224, 253, 315, 362, 408, 250, , 254
ESP10, 235, 268, 323, 370, 415, 252, , 256
ESP10, 231, 265, 322, 366, 413, 254, , 258
ESP10, 230, 264, 320, 365, 411, 256, , 260
ESP10, 202, 245, 295, 343, 389, 259, , 263
ESP10, 201, 242, 295, 341, 386, 261, , 265
ESP10, 205, 243, 299, 342, 390, 263, , 267
ESP10, 203, 241, 297, 340, 389, 265, , 269
ESP10, 202, 241, 298, 339, 389, 267, , 271
ESP10, 198, 237, 294, 337, 385, 269, , 273
ESP10, 197, 236, 292, 337, 383, 271, , 275
ESP10, 196, 235, 291, 337, 382, 273, , 277
ESP10, 198, 236, 293, 340, 383, 275, , 279
ESP10, 198, 237, 294, 340, 383, 277, , 281
ESP10, 198, 238, 297, 341, 383, 279, , 283
ESP10, 199, 246, 298, 341, 383, 282, , 286
ESP10, 200, 248, 299, 343, 384, 284, , 288
ESP10, 201, 247, 299, 343, 383, 286, , 290
ESP10, 203, 248, 301, 344, 385, 288, , 292
ESP10, 205, 249, 302, 344, 385, 290, , 294
ESP10, 204, 248, 301, 343, 385, 292, , 296
ESP10, 207, 250, 303, 346, 389, 294, , 298
ESP10, 209, 250, 304, 346, 395, 296, , 300
ESP10, 209, 250, 310, 347, 395, 298, , 302
ESP10, 210, 250, 311, 347, 395, 300, , 304
ESP10, 210, 250, 313, 347, 395, 303, , 307
ESP10, 210, 250, 315, 351, 396, 305, , 309
ESP10, 211, 251, 315, 351, 396, 307, , 311
ESP10, 211, 258, 316, 351, 396, 309, , 313
ESP10, 214, 264, 316, 352, 396, 311, , 315
ESP10, 219, 265, 317, 353, 397, 313, , 317
ESP10, 222, 265, 318, 356, 397, 315, , 319
ESP10, 223, 265, 318, 358, 397, 317, , 321
ESP10, 224, 265, 319, 360, 397, 319, , 323
ESP10, 225, 270, 321, 366, 397, 321, , 325
ESP10, 225, 274, 323, 365, 397, 323, , 327
ESP10, 224, 274, 323, 365, 399, 326, , 330
ESP10, 217, 268, 317, 361, 394, 328, , 332
ESP10, 216, 262, 313, 358, 390, 330, , 334
ESP10, 227, 271, 321, 367, 396, 332, , 336
ESP10, 236, 275, 327, 371, 401, 334, , 338
ESP10, 235, 269, 322, 366, 397, 336, , 340
ESP10, 235, 268, 327, 366, 395, 338, , 342
ESP10, 231, 268, 324, 360, 390, 340, , 344
ESP10, 216, 257, 310, 345, 379, 342, , 346
ESP10, 214, 255, 309, 343, 380, 344, , 348
ESP10, 224, 265, 319, 352, 391, 346, , 350
ESP10, 227, 275, 323, 356, 395, 349, , 353
ESP10, 231, 279, 326, 360, 399, 351, , 355
ESP10, 232, 281, 326, 362, 400, 353, , 357
ESP10, 218, 268, 313, 352, 388, 355, , 359
ESP10, 216, 264, 308, 348, 384, 357, , 361
ESP10, 217, 256, 302, 339, 377, 359, , 363
ESP10, 234, 269, 323, 353, 389, 361, , 365
ESP10, 235, 271, 325, 354, 391, 363, , 367
ESP10, 233, 284, 323, 352, 388, 365, , 369
ESP10, 244, 294, 331, 360, 397, 367, , 371
ESP10, 247, 297, 332, 361, 398, 370, , 374
ESP10, 251, 299, 333, 362, 400, 372, , 376
ESP10, 249, 298, 333, 361, 403, 374, , 378
ESP10, 237, 289, 327, 354, 394, 376, , 380
ESP10, 236, 285, 323, 354, 390, 378, , 382
ESP10, 249, 296, 332, 366, 400, 380, , 384
ESP10, 248, 295, 331, 367, 401, 382, , 386
ESP10, 248, 295, 336, 367, 401, 384, , 388
ESP10, 253, 295, 336, 368, 401, 386, , 390
ESP10, 252, 294, 335, 367, 400, 388, , 392
ESP10, 254, 297, 340, 367, 400, 390, , 394
ESP10, 262, 303, 338, 366, 398, 393, , 397
ESP10, 278, 312, 348, 376, 406, 395, , 399
ESP10, 279, 315, 350, 381, 407, 397, , 401
ESP10, 275, 313, 347, 378, 405, 399, , 403
ESP10, 278, 315, 349, 380, 406, 401, , 405
ESP10, 282, 316, 357, 384, 412, 403, , 407
ESP10, 286, 316, 357, 384, 412, 405, , 409
ESP10, 286, 316, 355, 381, 409, 407, , 411
ESP10, 291, 322, 358, 384, 412, 409, , 413
ESP10, 290, 322, 358, 383, 411, 411, , 415
ESP10, 297, 324, 360, 384, 412, 413, , 417
ESP10, 299, 328, 362, 389, 413, 416, , 420
ESP10, 295, 326, 359, 387, 411, 418, , 422
ESP10, 303, 332, 361, 389, 413, 420, , 424
ESP10, 310, 343, 367, 393, 419, 422, , 426
ESP10, 310, 346, 368, 394, 422, 424, , 428
ESP10, 315, 349, 368, 397, 423, 426, , 430
ESP10, 317, 350, 370, 402, 425, 428, , 432
ESP10, 317, 353, 370, 402, 425, 430, , 434
ESP10, 304, 340, 360, 390, 413, 432, , 436
ESP10, 282, 322, 341, 370, 396, 434, , 438
ESP10, 289, 329, 350, 376, 403, 437, , 441
ESP10, 285, 324, 344, 370, 399, 439, , 443
ESP10, 285, 323, 343, 369, 397, 441, , 445
ESP10, 310, 347, 364, 390, 416, 443, , 447
ESP10, 325, 357, 379, 402, 429, 445, , 449
ESP10, 324, 356, 380, 403, 428, 447, , 451
ESP10, 327, 358, 381, 404, 429, 449, , 453
ESP10, 325, 355, 377, 401, 426, 451, , 455
ESP10, 331, 360, 381, 407, 432, 453, , 457
ESP10, 331, 357, 381, 405, 430, 455, , 459
ESP10, 331, 357, 380, 405, 429, 457, , 461
ESP10, 330, 355, 379, 406, 428, 460, , 464
ESP10, 331, 360, 382, 407, 429, 462, , 466
ESP10, 321, 351, 372, 401, 420, 464, , 468
ESP10, 324, 356, 378, 404, 422, 466, , 470
ESP10, 324, 354, 379, 406, 420, 468, , 472
ESP10, 322, 359, 377, 404, 421, 470, , 474
ESP10, 318, 356, 375, 402, 417, 472, , 476
ESP10, 328, 365, 387, 412, 426, 474, , 478
ESP10, 315, 355, 377, 400, 415, 476, , 480
ESP10, 318, 357, 379, 402, 416, 478, , 482
ESP10, 317, 356, 381, 401, 414, 480, , 484
ESP10, 337, 381, 403, 426, 438, 483, , 487
ESP10, 335, 377, 401, 423, 436, 485, , 489
ESP10, 334, 378, 400, 424, 435, 487, , 491
ESP10, 331, 376, 396, 421, 431, 489, , 493
ESP10, 333, 375, 395, 420, 429, 491, , 495
ESP10, 335, 380, 400, 423, 432, 493, , 497
ESP10, 344, 390, 408, 430, 438, 495, , 499
ESP10, 346, 391, 410, 433, 440, 497, , 501
ESP10, 347, 390, 411, 432, 443, 499, , 503
ESP10, 345, 388, 408, 429, 442, 501, , 505
ESP10, 340, 384, 404, 425, 437, 504, , 508
ESP10, 347, 391, 411, 432, 443, 506, , 510
ESP10, 355, 401, 418, 437, 448, 508, , 512
ESP10, 357, 399, 421, 437, 449, 510, , 514
ESP10, 367, 400, 427, 438, 450, 512, , 516
ESP10, 365, 402, 426, 436, 447, 514, , 518
ESP10, 370, 403, 428, 437, 447, 516, , 520
ESP10, 374, 403, 429, 440, 448, 518, , 522
ESP10, 376, 403, 429, 440, 447, 520, , 524
ESP10, 382, 402, 428, 439, 448, 522, , 526
ESP10, 393, 402, 428, 438, 448, 524, , 528
ESP10, 392, 407, 425, 437, 445, 527, , 531
ESP10, 386, 405, 424, 435, 440, 529, , 533
ESP10, 394, 409, 426, 438, 444, 531, , 535
ESP10, 390, 404, 424, 435, 440, 533, , 537
ESP10, 399, 412, 435, 444, 451, 535, , 539
ESP10, 397, 411, 433, 439, 445, 537, , 541
ESP10, 400, 414, 435, 442, 445, 539, , 543
ESP10, 399, 415, 433, 438, 444, 541, , 545
ESP10, 404, 421, 437, 443, 444, 543, , 547
ESP10, 410, 426, 441, 447, 448, 545, , 549
ESP10, 413, 428, 444, 449, 450, 547, , 551
ESP10, 412, 427, 445, 448, 449, 550, , 554
ESP10, 417, 434, 448, 453, 454, 552, , 556
ESP10, 418, 439, 449, 452, 454, 554, , 558
ESP10, 420, 442, 449, 453, 454, 556, , 560
ESP10, 415, 438, 447, 453, 454, 558, , 562
ESP10, 416, 437, 448, 452, 453, 560, , 564
ESP10, 417, 436, 446, 450, 451, 562, , 566
ESP10, 425, 438, 441, 442, 442, 564, , 568
ESP10, 426, 433, 434, 435, 435, 566, , 570
ESP10, 424, 427, 428, 429, 429, 568, , 572
ESP10, 425, 427, 428, 428, 428, 571, , 575
ESP10, 415, 420, 421, 421, 422, 573, , 577
ESP10, 417, 419, 420, 420, 421, 575, , 579
ESP10, 411, 412, 413, 413, 414, 577, , 581
ESP10, 420, 422, 422, 423, 423, 579, , 583
ESP10, 419, 421, 422, 422, 423, 581, , 585
ESP10, 418, 420, 421, 421, 421, 583, , 587
ESP10, 417, 420, 421, 421, 422, 585, , 589
ESP10, 411, 413, 414, 414, 415, 587, , 591
ESP10, 412, 413, 414, 414, 414, 589, , 593
ESP10, 413, 414, 414, 414, 415, 591, , 595
ESP10, 414, 414, 415, 415, 416, 594, , 598
ESP10, 414, 415, 415, 415, 416, 596, , 600
ESP10, 415, 415, 416, 416, 416, 598, , 602
ESP10, 415, 415, 416, 416, 417, 600, , 604
ESP10, 416, 416, 417, 417, 418, 602, , 606
ESP10, 415, 416, 416, 417, 417, 604, , 608
ESP10, 415, 415, 416, 416, 416, 606, , 610
ESP10, 410, 410, 411, 411, 411, 608, , 612
ESP10, 405, 406, 406, 406, 407, 610, , 614
ESP10, 406, 406, 407, 407, 407, 612, , 616
ESP10, 407, 408, 408, 408, 409, 614, , 618
ESP10, 406, 407, 407, 407, 408, 617, , 621
ESP10, 406, 407, 407, 407, 408, 619, , 623
ESP10, 406, 407, 407, 408, 408, 621, , 625
ESP10, 410, 410, 411, 411, 411, 623, , 627
ESP10, 410, 410, 411, 411, 411, 625, , 629
ESP10, 409, 410, 410, 410, 411, 627, , 631
ESP10, 409, 410, 410, 410, 411, 629, , 633
ESP10, 409, 410, 410, 410, 411, 631, , 635
ESP10, 409, 410, 410, 410, 411, 633, , 637
ESP10, 409, 410, 410, 410, 410, 635, , 639
ESP10, 409, 410, 410, 410, 410, 638, , 642
ESP10, 409, 410, 410, 410, 410, 640, , 644
ESP10, 409, 410, 410, 410, 410, 642, , 646
ESP10, 409, 410, 410, 410, 410, 644, , 648
ESP10, 409, 410, 410, 410, 410, 646, , 650
ESP10, 409, 409, 410, 410, 410, 648, , 652
ESP10, 409, 409, 410, 410, 410, 650, , 654
ESP10, 409, 409, 410, 410, 410, 652, , 656
ESP10, 409, 409, 409, 410, 410, 654, , 658
ESP10, 408, 409, 409, 410, 410, 656, , 660
ESP10, 408, 409, 409, 410, 410, 658, , 662
ESP10, 408, 409, 409, 409, 410, 661, , 665
ESP10, 408, 409, 409, 409, 410, 663, , 667
ESP10, 408, 409, 409, 409, 410, 665, , 669
ESP10, 408, 409, 409, 409, 409, 667, , 671
ESP10, 408, 408, 409, 409, 409, 669, , 673
ESP10, 408, 408, 408, 409, 409, 671, , 675
ESP10, 408, 408, 408, 409, 409, 673, , 677
ESP10, 408, 408, 408, 409, 409, 675, , 679
ESP10, 408, 408, 408, 409, 409, 677, , 681
ESP10, 408, 408, 408, 409, 409, 679, , 683
ESP10, 408, 408, 408, 409, 409, 681, , 685
ESP10, 408, 408, 408, 408, 409, 684, , 688
ESP10, 408, 408, 408, 408, 409, 686, , 690
ESP10, 408, 408, 408, 408, 409, 688, , 692
ESP10, 408, 408, 408, 408, 409, 690, , 694
ESP10, 408, 408, 408, 408, 409, 692, , 696
ESP10, 408, 408, 408, 409, 409, 694, , 698
ESP10, 408, 408, 409, 409, 409, 696, , 700
ESP10, 408, 408, 409, 409, 409, 698, , 702
ESP10, 408, 408, 409, 409, 409, 700, , 704
ESP10, 408, 408, 409, 409, 409, 702, , 706
ESP10, 408, 408, 409, 409, 409, 705, , 709
ESP10, 408, 409, 409, 409, 409, 707, , 711
ESP10, 409, 409, 409, 410, 410, 709, , 713
ESP10, 409, 409, 409, 410, 410, 711, , 715
ESP10, 409, 409, 410, 410, 410, 713, , 717
ESP10, 409, 409, 410, 410, 410, 715, , 719
ESP10, 409, 409, 410, 410, 410, 717, , 721
ESP10, 409, 409, 410, 410, 410, 719, , 723
ESP10, 409, 409, 410, 410, 410, 721, , 725
ESP10, 409, 409, 410, 410, 410, 723, , 727
ESP10, 409, 409, 410, 410, 410, 725, , 729
ESP10, 409, 410, 410, 410, 410, 728, , 732
ESP10, 412, 412, 412, 412, 412, 730, , 734
ESP10, 412, 412, 412, 412, 413, 732, , 736
ESP10, 412, 412, 412, 412, 412, 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/HWRI1W_SQIN.ESPF10.csv
HWRI1W_SQIN.ESPF0.csv|2026-08-15
HWRI1W_SQIN.ESPF10.csv|2026-08-15
HWRI1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
BIG LOST - AT HOWELL RANCH NEAR CHILLY
(
HWRI1
)
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
71
135
79
304
172
APR-JUL
63
118
77
269
154
APR-AUG
68
129
78
292
165
JAN-SEP
81
144
78
313
186
JAN-JUL
73
128
76
279
168
OCT-SEP
93
157
77
325
204
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/HWRI1W_SQIN.ESPF10.csv
HWRI1W_SQIN.ESPF0.csv|2026-08-15
HWRI1W_SQIN.ESPF10.csv|2026-08-15
HWRI1W_SQIN.ESPFM.csv|2026-08-15
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
