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Water Year
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SOUTH PRAIRIE - AT SOUTH PRAIRIE
(
SPEW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
42
42
72
44
58
APR-JUL
37
37
71
37
52
APR-AUG
39
39
72
40
55
JAN-SEP
127
128
107
130
120
JAN-JUL
122
122
108
122
113
OCT-SEP
212
213
128
214
167
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
42
42
72
44
58
APR-JUL
37
37
71
37
52
APR-AUG
39
39
72
40
55
JAN-SEP
127
128
107
130
120
JAN-JUL
122
122
108
122
113
OCT-SEP
212
212
128
214
167
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
42
43
73
44
58
APR-JUL
37
37
71
37
52
APR-AUG
39
39
72
40
55
JAN-SEP
128
128
107
130
120
JAN-JUL
122
122
108
122
113
OCT-SEP
212
213
128
214
167
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 155, 256, 317, 373, 408, 70, , 74
ESP10, 155, 256, 316, 372, 408, 72, , 76
ESP10, 154, 256, 316, 372, 407, 74, , 78
ESP10, 154, 256, 316, 372, 407, 76, , 80
ESP10, 154, 256, 316, 371, 407, 78, , 82
ESP10, 154, 256, 316, 371, 407, 81, , 85
ESP10, 154, 256, 315, 371, 407, 83, , 87
ESP10, 154, 256, 316, 371, 407, 85, , 89
ESP10, 154, 256, 316, 371, 407, 87, , 91
ESP10, 153, 256, 316, 370, 406, 89, , 93
ESP10, 154, 256, 316, 371, 407, 91, , 95
ESP10, 154, 255, 316, 370, 406, 93, , 97
ESP10, 154, 255, 317, 370, 406, 95, , 99
ESP10, 154, 255, 317, 369, 406, 97, , 101
ESP10, 153, 255, 316, 369, 406, 99, , 103
ESP10, 152, 254, 314, 369, 405, 101, , 105
ESP10, 151, 254, 313, 368, 404, 103, , 107
ESP10, 152, 254, 313, 368, 405, 106, , 110
ESP10, 151, 254, 313, 368, 405, 108, , 112
ESP10, 152, 254, 314, 371, 406, 110, , 114
ESP10, 149, 254, 312, 369, 405, 112, , 116
ESP10, 152, 254, 314, 371, 406, 114, , 118
ESP10, 151, 254, 313, 370, 405, 116, , 120
ESP10, 153, 254, 314, 371, 406, 118, , 122
ESP10, 153, 254, 315, 372, 407, 120, , 124
ESP10, 153, 254, 316, 371, 406, 122, , 126
ESP10, 152, 255, 316, 372, 406, 124, , 128
ESP10, 152, 255, 316, 372, 406, 126, , 130
ESP10, 152, 255, 315, 371, 405, 129, , 133
ESP10, 151, 255, 314, 370, 404, 131, , 135
ESP10, 151, 255, 314, 370, 405, 133, , 137
ESP10, 152, 255, 314, 371, 406, 135, , 139
ESP10, 152, 255, 315, 371, 409, 137, , 141
ESP10, 154, 256, 316, 373, 410, 139, , 143
ESP10, 154, 256, 315, 373, 410, 141, , 145
ESP10, 154, 257, 316, 373, 410, 143, , 147
ESP10, 156, 257, 319, 375, 411, 145, , 149
ESP10, 154, 256, 318, 374, 409, 147, , 151
ESP10, 153, 256, 318, 374, 408, 149, , 153
ESP10, 154, 254, 320, 374, 410, 151, , 155
ESP10, 155, 255, 321, 375, 415, 154, , 158
ESP10, 156, 255, 324, 377, 416, 156, , 160
ESP10, 153, 251, 322, 378, 413, 158, , 162
ESP10, 161, 259, 329, 384, 420, 160, , 164
ESP10, 162, 258, 327, 382, 419, 162, , 166
ESP10, 161, 259, 327, 381, 418, 164, , 168
ESP10, 160, 258, 326, 381, 417, 166, , 170
ESP10, 164, 260, 330, 385, 421, 168, , 172
ESP10, 164, 259, 330, 385, 420, 170, , 174
ESP10, 162, 259, 328, 382, 417, 172, , 176
ESP10, 160, 256, 327, 380, 415, 174, , 178
ESP10, 160, 255, 326, 380, 415, 177, , 181
ESP10, 159, 257, 325, 378, 413, 179, , 183
ESP10, 161, 261, 329, 380, 417, 181, , 185
ESP10, 161, 258, 328, 378, 414, 183, , 187
ESP10, 167, 264, 334, 385, 421, 185, , 189
ESP10, 164, 260, 332, 381, 417, 187, , 191
ESP10, 163, 260, 330, 378, 416, 189, , 193
ESP10, 164, 260, 332, 378, 418, 191, , 195
ESP10, 154, 250, 322, 370, 406, 193, , 197
ESP10, 159, 253, 326, 373, 412, 195, , 199
ESP10, 164, 257, 329, 381, 417, 197, , 201
ESP10, 163, 253, 327, 377, 415, 199, , 203
ESP10, 150, 238, 312, 363, 399, 202, , 206
ESP10, 165, 250, 326, 376, 414, 204, , 208
ESP10, 162, 247, 323, 373, 411, 206, , 210
ESP10, 175, 261, 339, 387, 428, 208, , 212
ESP10, 175, 260, 338, 387, 427, 210, , 214
ESP10, 175, 259, 336, 389, 425, 212, , 216
ESP10, 164, 245, 324, 377, 411, 214, , 218
ESP10, 159, 242, 320, 375, 410, 216, , 220
ESP10, 161, 243, 320, 374, 410, 218, , 222
ESP10, 162, 243, 320, 375, 410, 220, , 224
ESP10, 164, 246, 325, 378, 414, 222, , 226
ESP10, 164, 246, 325, 378, 416, 225, , 229
ESP10, 164, 245, 326, 379, 417, 227, , 231
ESP10, 162, 242, 324, 378, 420, 229, , 233
ESP10, 159, 239, 321, 377, 418, 231, , 235
ESP10, 156, 236, 317, 376, 415, 233, , 237
ESP10, 157, 236, 318, 376, 415, 235, , 239
ESP10, 165, 242, 325, 385, 422, 237, , 241
ESP10, 166, 245, 327, 386, 423, 239, , 243
ESP10, 173, 251, 333, 394, 430, 241, , 245
ESP10, 174, 252, 334, 395, 431, 243, , 247
ESP10, 174, 249, 330, 391, 427, 245, , 249
ESP10, 170, 244, 325, 387, 420, 248, , 252
ESP10, 176, 250, 332, 392, 427, 250, , 254
ESP10, 179, 252, 332, 393, 427, 252, , 256
ESP10, 180, 256, 332, 393, 426, 254, , 258
ESP10, 182, 262, 334, 393, 427, 256, , 260
ESP10, 183, 264, 335, 393, 427, 258, , 262
ESP10, 192, 270, 340, 398, 433, 260, , 264
ESP10, 183, 258, 330, 389, 424, 262, , 266
ESP10, 191, 264, 337, 395, 431, 264, , 268
ESP10, 189, 262, 336, 395, 431, 266, , 270
ESP10, 186, 259, 334, 392, 429, 268, , 272
ESP10, 185, 258, 333, 392, 429, 270, , 274
ESP10, 187, 260, 336, 394, 432, 273, , 277
ESP10, 191, 264, 342, 397, 437, 275, , 279
ESP10, 193, 265, 347, 399, 440, 277, , 281
ESP10, 192, 264, 347, 399, 440, 279, , 283
ESP10, 192, 263, 348, 399, 439, 281, , 285
ESP10, 193, 264, 350, 401, 439, 283, , 287
ESP10, 194, 264, 351, 403, 441, 285, , 289
ESP10, 198, 264, 351, 403, 442, 287, , 291
ESP10, 197, 261, 349, 399, 438, 289, , 293
ESP10, 196, 261, 348, 397, 437, 291, , 295
ESP10, 200, 267, 352, 402, 441, 293, , 297
ESP10, 202, 270, 353, 403, 445, 296, , 300
ESP10, 206, 277, 356, 407, 450, 298, , 302
ESP10, 208, 279, 357, 410, 452, 300, , 304
ESP10, 210, 280, 359, 413, 454, 302, , 306
ESP10, 212, 282, 361, 415, 456, 304, , 308
ESP10, 212, 282, 363, 417, 459, 306, , 310
ESP10, 213, 283, 364, 417, 460, 308, , 312
ESP10, 212, 283, 364, 417, 461, 310, , 314
ESP10, 214, 285, 368, 420, 462, 312, , 316
ESP10, 213, 283, 370, 418, 460, 314, , 318
ESP10, 213, 284, 371, 418, 459, 316, , 320
ESP10, 214, 285, 372, 419, 460, 318, , 322
ESP10, 215, 286, 375, 421, 461, 321, , 325
ESP10, 214, 286, 376, 421, 462, 323, , 327
ESP10, 213, 284, 374, 420, 458, 325, , 329
ESP10, 213, 292, 372, 420, 457, 327, , 331
ESP10, 217, 301, 379, 422, 457, 329, , 333
ESP10, 216, 298, 376, 420, 454, 331, , 335
ESP10, 212, 295, 372, 416, 452, 333, , 337
ESP10, 219, 302, 376, 422, 458, 335, , 339
ESP10, 216, 301, 374, 423, 455, 337, , 341
ESP10, 219, 306, 383, 427, 465, 339, , 343
ESP10, 219, 307, 384, 427, 466, 341, , 345
ESP10, 219, 307, 384, 430, 467, 344, , 348
ESP10, 215, 302, 378, 422, 463, 346, , 350
ESP10, 220, 303, 381, 427, 467, 348, , 352
ESP10, 219, 300, 378, 426, 465, 350, , 354
ESP10, 213, 295, 372, 421, 456, 352, , 356
ESP10, 215, 295, 374, 422, 455, 354, , 358
ESP10, 223, 299, 383, 429, 464, 356, , 360
ESP10, 208, 285, 369, 415, 448, 358, , 362
ESP10, 213, 290, 374, 421, 452, 360, , 364
ESP10, 210, 283, 369, 415, 449, 362, , 366
ESP10, 212, 282, 370, 416, 455, 364, , 368
ESP10, 209, 278, 363, 415, 452, 366, , 370
ESP10, 214, 285, 372, 420, 457, 369, , 373
ESP10, 218, 289, 377, 424, 460, 371, , 375
ESP10, 227, 293, 383, 432, 462, 373, , 377
ESP10, 225, 293, 382, 431, 461, 375, , 379
ESP10, 219, 290, 380, 429, 460, 377, , 381
ESP10, 215, 291, 379, 426, 458, 379, , 383
ESP10, 215, 295, 380, 432, 460, 381, , 385
ESP10, 217, 297, 380, 433, 461, 383, , 387
ESP10, 214, 294, 376, 429, 459, 385, , 389
ESP10, 210, 288, 369, 427, 452, 387, , 391
ESP10, 200, 276, 358, 417, 443, 389, , 393
ESP10, 196, 271, 347, 404, 431, 392, , 396
ESP10, 191, 270, 345, 400, 427, 394, , 398
ESP10, 189, 269, 343, 399, 424, 396, , 400
ESP10, 191, 268, 343, 399, 424, 398, , 402
ESP10, 188, 264, 345, 395, 420, 400, , 404
ESP10, 194, 271, 349, 400, 425, 402, , 406
ESP10, 198, 273, 352, 402, 427, 404, , 408
ESP10, 195, 270, 347, 400, 424, 406, , 410
ESP10, 202, 272, 347, 400, 426, 408, , 412
ESP10, 198, 269, 342, 394, 425, 410, , 414
ESP10, 196, 266, 340, 394, 426, 412, , 416
ESP10, 191, 256, 332, 383, 417, 414, , 418
ESP10, 184, 254, 324, 376, 417, 417, , 421
ESP10, 187, 257, 327, 378, 419, 419, , 423
ESP10, 190, 261, 328, 384, 420, 421, , 425
ESP10, 194, 264, 336, 386, 422, 423, , 427
ESP10, 193, 268, 334, 383, 422, 425, , 429
ESP10, 196, 270, 335, 383, 425, 427, , 431
ESP10, 199, 276, 338, 383, 429, 429, , 433
ESP10, 190, 262, 323, 373, 417, 431, , 435
ESP10, 180, 256, 320, 365, 409, 433, , 437
ESP10, 203, 272, 333, 378, 425, 435, , 439
ESP10, 195, 267, 318, 373, 412, 437, , 441
ESP10, 210, 276, 339, 383, 429, 440, , 444
ESP10, 214, 284, 353, 389, 431, 442, , 446
ESP10, 214, 274, 344, 396, 421, 444, , 448
ESP10, 229, 287, 357, 411, 435, 446, , 450
ESP10, 235, 294, 358, 418, 439, 448, , 452
ESP10, 240, 298, 358, 420, 445, 450, , 454
ESP10, 258, 316, 372, 438, 458, 452, , 456
ESP10, 257, 314, 383, 437, 456, 454, , 458
ESP10, 263, 316, 393, 439, 462, 456, , 460
ESP10, 258, 318, 385, 433, 457, 458, , 462
ESP10, 261, 319, 388, 441, 464, 460, , 464
ESP10, 247, 313, 376, 430, 455, 462, , 466
ESP10, 234, 302, 361, 416, 442, 465, , 469
ESP10, 235, 299, 352, 408, 438, 467, , 471
ESP10, 247, 307, 360, 416, 446, 469, , 473
ESP10, 246, 309, 360, 417, 445, 471, , 475
ESP10, 254, 310, 360, 419, 444, 473, , 477
ESP10, 255, 315, 370, 416, 446, 475, , 479
ESP10, 265, 323, 381, 424, 453, 477, , 481
ESP10, 291, 336, 394, 436, 464, 479, , 483
ESP10, 299, 340, 396, 440, 464, 481, , 485
ESP10, 298, 344, 397, 435, 460, 483, , 487
ESP10, 296, 352, 400, 441, 459, 485, , 489
ESP10, 302, 352, 397, 436, 457, 488, , 492
ESP10, 294, 347, 389, 430, 451, 490, , 494
ESP10, 285, 337, 377, 421, 438, 492, , 496
ESP10, 285, 334, 376, 422, 436, 494, , 498
ESP10, 294, 347, 387, 426, 441, 496, , 500
ESP10, 314, 349, 392, 427, 442, 498, , 502
ESP10, 315, 349, 395, 428, 444, 500, , 504
ESP10, 321, 352, 397, 430, 447, 502, , 506
ESP10, 326, 355, 401, 430, 448, 504, , 508
ESP10, 326, 359, 402, 431, 448, 506, , 510
ESP10, 325, 358, 401, 431, 449, 508, , 512
ESP10, 333, 362, 407, 434, 452, 510, , 514
ESP10, 340, 364, 414, 436, 452, 513, , 517
ESP10, 344, 365, 417, 439, 453, 515, , 519
ESP10, 348, 364, 419, 439, 452, 517, , 521
ESP10, 354, 369, 422, 442, 454, 519, , 523
ESP10, 359, 373, 433, 449, 464, 521, , 525
ESP10, 360, 375, 435, 451, 463, 523, , 527
ESP10, 359, 373, 434, 454, 464, 525, , 529
ESP10, 356, 370, 431, 454, 462, 527, , 531
ESP10, 361, 376, 435, 454, 465, 529, , 533
ESP10, 359, 376, 435, 452, 464, 531, , 535
ESP10, 359, 376, 432, 450, 461, 533, , 537
ESP10, 347, 374, 425, 446, 456, 536, , 540
ESP10, 340, 371, 420, 440, 448, 538, , 542
ESP10, 349, 378, 426, 443, 451, 540, , 544
ESP10, 358, 393, 433, 446, 452, 542, , 546
ESP10, 356, 393, 430, 443, 450, 544, , 548
ESP10, 362, 396, 432, 444, 451, 546, , 550
ESP10, 366, 399, 434, 444, 451, 548, , 552
ESP10, 359, 394, 429, 441, 449, 550, , 554
ESP10, 364, 395, 428, 440, 447, 552, , 556
ESP10, 371, 393, 425, 439, 445, 554, , 558
ESP10, 381, 400, 429, 440, 446, 556, , 560
ESP10, 389, 402, 430, 442, 447, 558, , 562
ESP10, 395, 409, 431, 442, 447, 561, , 565
ESP10, 393, 408, 430, 440, 446, 563, , 567
ESP10, 390, 411, 427, 437, 444, 565, , 569
ESP10, 395, 417, 432, 438, 444, 567, , 571
ESP10, 395, 416, 432, 437, 443, 569, , 573
ESP10, 392, 414, 427, 436, 441, 571, , 575
ESP10, 398, 415, 429, 436, 441, 573, , 577
ESP10, 400, 416, 432, 438, 442, 575, , 579
ESP10, 407, 420, 434, 438, 442, 577, , 581
ESP10, 401, 418, 432, 436, 441, 579, , 583
ESP10, 393, 415, 425, 430, 435, 581, , 585
ESP10, 402, 421, 430, 434, 439, 584, , 588
ESP10, 398, 419, 428, 431, 437, 586, , 590
ESP10, 390, 412, 420, 424, 429, 588, , 592
ESP10, 391, 410, 419, 423, 427, 590, , 594
ESP10, 377, 398, 406, 410, 414, 592, , 596
ESP10, 384, 404, 412, 417, 420, 594, , 598
ESP10, 389, 407, 412, 417, 420, 596, , 600
ESP10, 391, 406, 412, 417, 420, 598, , 602
ESP10, 392, 406, 412, 417, 419, 600, , 604
ESP10, 392, 406, 412, 416, 419, 602, , 606
ESP10, 392, 406, 412, 417, 419, 604, , 608
ESP10, 392, 406, 412, 417, 419, 607, , 611
ESP10, 392, 407, 412, 417, 419, 609, , 613
ESP10, 391, 408, 412, 416, 419, 611, , 615
ESP10, 397, 408, 412, 416, 419, 613, , 617
ESP10, 396, 407, 412, 416, 418, 615, , 619
ESP10, 396, 406, 411, 416, 418, 617, , 621
ESP10, 395, 405, 411, 415, 417, 619, , 623
ESP10, 396, 406, 411, 416, 418, 621, , 625
ESP10, 394, 406, 411, 416, 417, 623, , 627
ESP10, 403, 414, 418, 423, 424, 625, , 629
ESP10, 404, 415, 419, 424, 425, 627, , 631
ESP10, 406, 415, 419, 424, 425, 629, , 633
ESP10, 405, 414, 419, 424, 425, 632, , 636
ESP10, 408, 414, 419, 423, 424, 634, , 638
ESP10, 407, 414, 418, 423, 424, 636, , 640
ESP10, 407, 415, 418, 423, 424, 638, , 642
ESP10, 408, 415, 418, 423, 424, 640, , 644
ESP10, 408, 415, 418, 423, 424, 642, , 646
ESP10, 408, 415, 418, 423, 424, 644, , 648
ESP10, 408, 415, 418, 423, 424, 646, , 650
ESP10, 408, 415, 418, 422, 424, 648, , 652
ESP10, 408, 415, 418, 423, 424, 650, , 654
ESP10, 408, 415, 418, 423, 424, 652, , 656
ESP10, 408, 415, 418, 422, 423, 655, , 659
ESP10, 408, 415, 418, 422, 424, 657, , 661
ESP10, 408, 415, 418, 422, 424, 659, , 663
ESP10, 408, 415, 418, 422, 423, 661, , 665
ESP10, 408, 415, 418, 422, 423, 663, , 667
ESP10, 410, 415, 418, 422, 423, 665, , 669
ESP10, 411, 415, 418, 423, 423, 667, , 671
ESP10, 411, 415, 418, 423, 423, 669, , 673
ESP10, 411, 415, 418, 423, 423, 671, , 675
ESP10, 410, 415, 418, 422, 423, 673, , 677
ESP10, 410, 415, 418, 422, 423, 675, , 679
ESP10, 410, 415, 418, 422, 423, 677, , 681
ESP10, 410, 415, 418, 422, 423, 680, , 684
ESP10, 410, 415, 418, 423, 423, 682, , 686
ESP10, 410, 415, 418, 423, 423, 684, , 688
ESP10, 410, 415, 418, 423, 423, 686, , 690
ESP10, 410, 415, 418, 423, 423, 688, , 692
ESP10, 410, 415, 418, 423, 423, 690, , 694
ESP10, 410, 415, 418, 422, 423, 692, , 696
ESP10, 410, 415, 418, 422, 423, 694, , 698
ESP10, 410, 415, 418, 422, 423, 696, , 700
ESP10, 410, 415, 418, 422, 423, 698, , 702
ESP10, 410, 415, 418, 422, 423, 700, , 704
ESP10, 410, 415, 418, 422, 423, 703, , 707
ESP10, 410, 415, 418, 422, 423, 705, , 709
ESP10, 410, 416, 418, 422, 423, 707, , 711
ESP10, 410, 415, 418, 422, 423, 709, , 713
ESP10, 410, 415, 418, 422, 423, 711, , 715
ESP10, 410, 415, 418, 422, 423, 713, , 717
ESP10, 409, 415, 418, 422, 423, 715, , 719
ESP10, 409, 415, 418, 422, 423, 717, , 721
ESP10, 409, 414, 417, 421, 422, 719, , 723
ESP10, 408, 414, 417, 421, 422, 721, , 725
ESP10, 408, 414, 417, 421, 422, 723, , 727
ESP10, 409, 414, 418, 421, 422, 725, , 729
ESP10, 409, 414, 419, 422, 422, 728, , 732
ESP10, 410, 415, 419, 422, 423, 730, , 734
ESP10, 410, 415, 420, 422, 423, 732, , 736
ESP10, 410, 415, 420, 422, 423, 734, , 738
Max Scale
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Show Min/Max Ensemble Volume
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/SPEW1N_SQIN.ESPF10.csv
SPEW1N_SQIN.ESPF0.csv|2026-08-16
SPEW1N_SQIN.ESPF10.csv|2026-08-16
SPEW1N_SQIN.ESPFM.csv|2026-08-16
APR-SEP
SOUTH PRAIRIE - AT SOUTH PRAIRIE
(
SPEW1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
45
58
100
84
58
APR-JUL
39
52
101
77
52
APR-AUG
42
55
100
81
55
JAN-SEP
85
119
100
166
120
JAN-JUL
79
111
98
158
113
OCT-SEP
123
162
98
231
167
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/SPEW1N_SQIN.ESPF10.csv
SPEW1N_SQIN.ESPF0.csv|2026-08-16
SPEW1N_SQIN.ESPF10.csv|2026-08-16
SPEW1N_SQIN.ESPFM.csv|2026-08-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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