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Water Supply Forecasts Northwest River Forecast Center Thursday December 28, 2006 at 22:09 GMT Observed precipitation through the 25th Future precip assumed to be normal Snow included in this run Observed runoff through November note: current month runoff based on OBSERVED + ESP to the end of DEC UPPER COLUMBIA BASINS Jan-07 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 9760.0 101 12300.0 128 7170.0 75 9619. 9079 1031 77 FEB-SEP 13100.0 101 15700.0 121 10600.0 82 12960. 11800 1031 77 APR-SEP 12700.0 102 15300.0 122 10100.0 81 12500. 11360 1031 77 REVELSTOKE, BC JAN-JUL 14100.0 102 16400.0 118 12000.0 86 13880. 12860 1391 72 ARROW LAKES INFLOW JAN-JUL 21200.0 101 24300.0 116 18100.0 86 20960. 18580 2434 76 FEB-SEP 26800.0 101 29900.0 113 23600.0 89 26460. 22700 2434 76 APR-SEP 25400.0 101 28500.0 114 22300.0 89 25110. 21650 2434 76 BIRCHBANK, BC (1) JAN-JUL 39900.0 102 50300.0 129 29500.0 76 38930. 34250 4589 87 APR-SEP 44600.0 103 55000.0 126 34200.0 79 43500. 37220 4589 87 GRAND COULEE, WA (1) JAN-JUL 64300.0 102 82500.0 131 46200.0 73 62900. 54180 8379 101 APR-SEP 65400.0 102 83600.0 131 47300.0 74 63990. 52740 8379 101 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 73100.0 106 93500.0 136 52800.0 77 68910. 58540 9454 105 APR-SEP 73800.0 106 94200.0 135 53400.0 77 69540. 56310 9454 105 THE DALLES NR, OR (1) JAN-JUL 108000.0 101 138000.0 129 78200.0 73 107300. 87690 17440 104 APR-AUG 93600.0 101 123000.0 132 63900.0 69 93090. 73770 17440 104 APR-SEP 99200.0 101 129000.0 131 69400.0 70 98650. 77440 17440 104 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 6760.0 107 8980.0 142 4540.0 72 6306. 5187 897 100 APR-AUG 6700.0 107 8920.0 143 4480.0 72 6248. 5084 897 100 APR-SEP 7120.0 107 9340.0 141 4900.0 74 6638. 5340 897 100 LEONIA, ID (1) APR-JUL 7450.0 106 10200.0 145 4730.0 67 7041. 5608 1253 111 APR-SEP 8600.0 106 11300.0 139 5880.0 72 8125. 6276 1253 111 BONNERS FERRY, ID APR-JUL 8110.0 106 10400.0 137 5790.0 76 7619. 5943 1335 112 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 16600.0 104 20700.0 129 12500.0 78 16010. 13420 2169 106 APR-SEP 17100.0 104 21300.0 129 12800.0 78 16450. 13430 2169 106 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1850.0 103 2290.0 127 1400.0 78 1800. 1696 202 82 FEB-SEP 2360.0 102 2810.0 122 1920.0 83 2305. 2147 202 82 APR-SEP 2280.0 102 2730.0 123 1840.0 83 2227. 2066 202 82 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 730.0 104 1130.0 161 330.0 47 704. 617 148 87 MISSOULA ABV, MT APR-SEP 1650.0 103 2400.0 150 905.0 57 1595. 1353 302 106 MISSOULA BLO, MT APR-SEP 3020.0 102 4280.0 144 1760.0 59 2962. 2767 566 119 ST. REGIS, MT (1) APR-SEP 4030.0 103 6080.0 156 1980.0 51 3907. 3591 740 119 PLAINS NR, MT (1) APR-SEP 11300.0 102 16200.0 146 6540.0 59 11060. 8624 1914 127 WHITEHORSE RAPIDS, ID (1) APR-SEP 12500.0 100 17900.0 144 7050.0 57 12460. 9321 2148 124 BLACKFOOT RIVER BONNER NR, MT APR-SEP 920.0 103 1280.0 143 565.0 63 892. 736 154 135 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1370.0 100 1930.0 141 815.0 60 1364. 1317 248 128 Jan-07 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1840.0 102 2310.0 128 1370.0 76 1801. 1404 348 171 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1770.0 102 2210.0 127 1330.0 76 1740. 1418 314 161 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2290.0 103 3110.0 140 1470.0 66 2224. 1817 311 133 APR-SEP 2190.0 103 3000.0 141 1370.0 65 2124. 1692 311 133 UPPER/MIDDLE COLUMBIA BASINS Jan-07 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5930.0 102 7640.0 131 4230.0 73 5825. 4553 940 143 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 7010.0 104 9690.0 144 4320.0 64 6713. 4984 1163 152 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 865.0 106 1190.0 146 535.0 66 814. 662 197 139 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 14200.0 102 20100.0 145 8320.0 60 13910. 10350 2785 135 APR-JUL 13000.0 102 18900.0 148 7140.0 56 12740. 9715 2785 135 BOX CANYON BLO, WA (1) APR-SEP 14500.0 103 19500.0 138 9410.0 67 14090. 10850 2868 136 KETTLE RIVER LAURIER NR, WA APR-SEP 2090.0 106 2610.0 132 1570.0 80 1972. 1569 63 51 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 810.0 104 1100.0 141 525.0 67 778. 419 226 137 APR-JUL 770.0 104 1060.0 143 480.0 65 739. 393 226 137 COEUR D'ALENE LAKE IN, ID APR-JUL 2640.0 103 3750.0 147 1530.0 60 2552. 1367 666 124 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2800.0 102 2980.0 109 2610.0 95 2744. 1623 704 123 ST JOE RIVER CALDER, ID APR-SEP 1260.0 105 1670.0 139 855.0 71 1205. 867 230 134 APR-JUL 1190.0 105 1600.0 141 785.0 69 1136. 814 230 134 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 2190.0 124 3150.0 178 1230.0 70 1766. 847 392 168 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1780.0 132 2550.0 189 1000.0 74 1350. 807 326 234 APR-SEP 1910.0 132 2680.0 185 1130.0 78 1450. 837 326 234 METHOW RIVER PATEROS NR, WA (1) APR-SEP 1280.0 130 1790.0 182 765.0 78 985. 674 137 152 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1520.0 128 1710.0 144 1320.0 111 1185. 973 283 182 WENATCHEE RIVER PESHASTIN, WA APR-SEP 2040.0 125 2660.0 163 1420.0 87 1635. 1263 438 145 YAKIMA AND MAINSTEM SNAKE BASINS Jan-07 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 172.0 129 225.0 169 120.0 90 133. 97 70 115 CLE ELUM, WA APR-SEP 1160.0 128 1480.0 164 850.0 94 903. 667 372 127 PARKER NR, WA APR-SEP 2390.0 125 3030.0 158 1750.0 91 1918. 1554 909 149 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 153.0 128 200.0 167 104.0 87 120. 87 64 133 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 580.0 129 730.0 163 425.0 95 448. 353 162 140 NACHES RIVER NACHES NR, WA APR-SEP 1030.0 123 1300.0 155 760.0 91 837. 714 396 211 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 168.0 125 220.0 164 116.0 87 134. 100 65 179 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 295.0 122 365.0 151 225.0 93 242. 198 107 168 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 57.0 124 78.0 170 36.0 78 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-SEP 850.0 94 1080.0 119 615.0 68 904. 717 96 89 APR-JUL 765.0 94 1000.0 123 530.0 65 815. 639 96 89 PALISADES RES INFLOW, ID (1) APR-JUL 3170.0 95 4240.0 127 2090.0 63 3331. 2288 570 95 HEISE NR, ID APR-JUL 3370.0 95 4550.0 128 2190.0 61 3561. 2472 679 99 SHELLEY NR, ID (1) APR-JUL 4220.0 95 5580.0 126 2860.0 65 4428. 2899 1043 98 BLACKFOOT NR, ID (1) APR-JUL 4250.0 92 5660.0 123 2830.0 61 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 2840.0 88 4570.0 141 1120.0 35 3242. 1071 1209 93 MILNER, ID APR-JUL 815.0 66 2200.0 179 310.0 25 1228. 43 124 18 KING HILL, ID (1) APR-JUL 2400.0 79 3780.0 124 1010.0 33 3045. 1416 1494 71 MURPHY NR, ID (1) APR-JUL 2520.0 82 3920.0 127 1120.0 36 3092. 1399 1520 70 WEISER, ID (1) JAN-JUL 7800.0 80 10900.0 111 4680.0 48 9793. 5271 2279 78 APR-JUL 4590.0 80 7700.0 134 1470.0 25 5765. 3085 2279 78 BROWNLEE RES INFLOW APR-JUL 5120.0 81 8380.0 133 1850.0 29 6313. 3522 2363 76 HELLS CANYON, ID (1) APR-JUL 5230.0 81 8640.0 133 1810.0 28 6493. 3743 2458 80 LOWER GRANITE RES IN, WA (1) JAN-JUL 28400.0 95 39300.0 131 17600.0 59 30020. 23810 5210 98 FEB-SEP 28800.0 95 39600.0 130 17900.0 59 30370. 23940 5210 98 APR-JUL 20400.0 95 31300.0 145 9550.0 44 21550. 16730 5210 98 UPPER SNAKE BASINS Jan-07 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 375.0 95 520.0 132 235.0 60 394. 292 58 112 SALT RIVER ETNA NR, WY APR-JUL 330.0 96 505.0 148 159.0 46 342. 176 101 96 HENRYS FORK ASHTON NR, ID APR-JUL 535.0 94 675.0 118 395.0 69 571. 378 225 85 ST. ANTHONY, ID APR-JUL 700.0 95 960.0 131 435.0 59 734. 382 309 104 REXBURG NR, ID APR-JUL 1460.0 94 1880.0 121 1040.0 67 1559. 394 421 81 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 350.0 91 435.0 113 265.0 69 386. 187 82 87 TETON RIVER ST. ANTHONY NR, ID APR-JUL 365.0 91 525.0 130 205.0 51 403. 261 101 108 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 128.0 90 225.0 158 31.0 22 142. 74 32 78 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 83.0 97 133.0 155 32.0 37 86. 13 9 87 PORTNEUF RIVER TOPAZ, ID APR-SEP 85.0 89 119.0 125 52.0 55 95. 39 24 85 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 24.0 83 45.0 155 3.5 12 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 230.0 90 385.0 150 75.0 29 256. 229 39 107 MAGIC RESERVOIR INFLOW, ID APR-JUL 250.0 86 500.0 172 0.0 0 291. 147 29 111 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 74.0 85 145.0 167 2.4 3 87. 56 14 118 MIDDLE SNAKE BASINS Jan-07 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 189.0 91 310.0 149 67.0 32 208. 112 21 99 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 505.0 82 1000.0 163 8.2 613. 158 60 85 OWYHEE RES OUTFLOW APR-JUL 135.0 62 630.0 290 0.0 0 217. 30 14 136 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 630.0 99 820.0 129 440.0 69 636. 586 96 117 BOISE NR, ID (1) APR-JUL 1390.0 98 1990.0 141 785.0 56 1414. 1129 208 112 PARMA NR, ID APR-JUL 370.0 62 905.0 153 77.0 13 593. 195 162 82 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 520.0 96 660.0 122 375.0 69 542. 393 70 118 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 94.0 85 158.0 144 29.0 26 110. 60 14 95 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 70.0 86 109.0 135 32.0 40 81. 46 12 96 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1580.0 98 2280.0 141 890.0 55 1617. 1490 275 105 EMMETT NR, ID APR-JUL 1000.0 80 1760.0 141 350.0 28 1246. 1177 217 83 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 133.0 99 185.0 138 81.0 60 134. 133 20 125 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 490.0 99 690.0 139 290.0 59 495. 530 95 103 WEISER RIVER WEISER NR, ID (1) APR-JUL 370.0 95 615.0 157 126.0 32 391. 369 53 73 BURNT RIVER HEREFORD NR, OR MAR-JUL 48.0 94 74.0 145 22.0 43 51. 28 9 113 LOWER SNAKE AND CENTRAL OREGON BASINS Jan-07 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 65.0 93 91.0 130 38.0 54 70. 45 IMNAHA RIVER IMNAHA, OR MAR-JUL 285.0 95 390.0 130 179.0 59 301. 261 41 119 SALMON RIVER SALMON, ID (1) APR-JUL 865.0 101 1310.0 153 425.0 50 857. 676 248 104 WHITEBIRD, ID (1) JAN-JUL 6790.0 100 9140.0 134 4440.0 65 6805. 5978 962 106 APR-JUL 5840.0 100 8190.0 140 3490.0 60 5851. 5081 962 106 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 215.0 86 300.0 120 134.0 54 249. 191 18 77 APR-JUL 159.0 86 245.0 133 75.0 41 184. 130 18 77 TROY, OR (1) MAR-JUL 1450.0 92 2190.0 139 705.0 45 1578. 1410 297 119 APR-JUL 1170.0 92 1910.0 150 425.0 33 1274. 1032 297 119 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4820.0 104 7030.0 151 2610.0 56 4645. 4382 785 136 SPALDING, ID (1) JAN-JUL 10200.0 105 13900.0 144 6430.0 66 9683. 9879 1525 143 APR-JUL 7800.0 105 11500.0 155 4070.0 55 7435. 6870 1525 143 APR-SEP 8240.0 105 12000.0 153 4500.0 57 7849. 7159 1525 143 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3780.0 107 5030.0 142 2530.0 71 3547. 3564 684 152 APR-JUL 2820.0 107 4070.0 154 1570.0 59 2644. 2300 684 152 APR-SEP 2990.0 107 4240.0 151 1740.0 62 2803. 2399 684 152 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 57.0 108 76.0 143 39.0 74 53. 48 26 104 UMATILLA RIVER GIBBON NR, OR APR-JUL 76.0 104 111.0 152 40.0 55 73. 66 37 139 PENDLETON, OR APR-JUL 152.0 102 230.0 154 73.0 49 149. 111 85 152 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 157.0 98 215.0 134 101.0 63 160. 0 APR-JUL 121.0 98 178.0 145 65.0 53 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 580.0 97 865.0 145 300.0 50 597. 471 69 81 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 1130.0 98 1640.0 142 610.0 53 1153. 842 129 87 APR-SEP 845.0 98 1360.0 157 330.0 38 865. 636 129 87 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 510.0 97 590.0 112 430.0 81 528. 0 237 93 Jan-07 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 181.0 98 280.0 152 82.0 45 184. 68 27 100 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 36.0 100 55.0 153 16.2 45 36. 17 WESTSIDE AND SOUTHERN OREGON BASINS Jan-07 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 7430.0 117 9400.0 148 5460.0 86 6365. 4616 3024 123 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3940.0 122 5310.0 165 2570.0 80 3217. 3163 1687 141 APR-JUL 2070.0 123 3440.0 204 695.0 41 1689. 1284 1687 141 APR-SEP 2350.0 122 3720.0 194 980.0 51 1922. 1464 1687 141 CASTLE ROCK, WA APR-SEP 3180.0 121 5080.0 192 1280.0 49 2639. 1930 2667 144 JAN-JUL 5680.0 121 7580.0 161 3780.0 80 4709. 4567 2667 144 LEWIS RIVER ARIEL, WA JAN-JUL 2840.0 121 3270.0 139 2420.0 103 2351. 2532 1364 130 MCKENZIE RIVER VIDA NR, OR APR-SEP 1190.0 99 1490.0 124 905.0 75 1201. 968 928 120 S. SANTIAM RIVER WATERLOO, OR APR-SEP 570.0 97 840.0 143 300.0 51 587. 509 879 125 N. SANTIAM RIVER MEHAMA, OR APR-SEP 825.0 99 1120.0 134 535.0 64 834. 727 967 132 WILLAMETTE RIVER SALEM, OR APR-SEP 4760.0 99 6420.0 134 3100.0 65 4804. 4281 5935 120 CLACKAMAS RIVER ESTACADA, OR APR-SEP 805.0 108 1040.0 139 570.0 76 748. 0 742 132 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 156.0 103 205.0 136 107.0 71 151. 129 50 75 JAN-JUL 188.0 104 235.0 130 139.0 77 181. 159 50 75 ROGUE RIVER RAYGOLD, OR APR-SEP 925.0 104 1250.0 141 595.0 67 889. 786 513 100 JAN-JUL 1650.0 104 1970.0 124 1320.0 83 1584. 1369 513 100 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 69.0 78 113.0 127 24.0 27 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 107.0 83 193.0 150 19.6 15 129. 31 7 88 APR-SEP 82.0 83 169.0 171 0.0 0 99. 27 7 88 Forecasts are selected from those prepared by: National Weather Service Natural Resource Conservation Service B.C. Hydro and Power Authority. Project inflow forecasts have been coordinated with the U.S. Army Corp of Engineers and U.S. Bureau of Reclamation. All forecasts are in thousands of acre-feet. All averages are for the period 1971 through 2000 NOAA/NWS/Northwest River Forecast Center NNNN $$
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