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Water Supply Forecasts Northwest River Forecast Center Friday January 19, 2007 at 18:12 GMT Observed precipitation through the 15th 75% the remainder of the month then Future precip assumed to be normal No snow included Observed runoff through December note: current month runoff based on OBSERVED + ESP to the end of JAN UPPER COLUMBIA BASINS Jan-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 9610.0 100 11300.0 117 7890.0 82 9619. 9985 1292 82 FEB-SEP 12900.0 100 14600.0 113 11200.0 86 12960. 12300 1292 82 APR-SEP 12500.0 100 14200.0 114 10800.0 86 12500. 11850 1292 82 REVELSTOKE, BC JAN-JUL 13900.0 100 15400.0 111 12400.0 89 13880. 14190 1751 77 ARROW LAKES INFLOW JAN-JUL 20600.0 98 23300.0 111 17900.0 85 20960. 20790 3018 77 FEB-SEP 26100.0 99 28800.0 109 23400.0 88 26460. 24050 3018 77 APR-SEP 24800.0 99 27500.0 110 22100.0 88 25110. 22920 3018 77 BIRCHBANK, BC (1) JAN-JUL 39500.0 101 46700.0 120 32200.0 83 38930. 41180 5845 89 APR-SEP 44200.0 102 51400.0 118 36900.0 85 43500. 42860 5845 89 GRAND COULEE, WA (1) JAN-JUL 63100.0 100 75600.0 120 50700.0 81 62900. 66890 10520 97 APR-SEP 64500.0 101 76900.0 120 52000.0 81 63990. 63870 10520 97 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 71600.0 104 85900.0 125 57300.0 83 68910. 71930 11660 99 APR-SEP 72600.0 104 86900.0 125 58300.0 84 69540. 68910 11660 99 THE DALLES NR, OR (1) JAN-JUL 103000.0 96 125000.0 116 80000.0 75 107300. 114700 21820 95 APR-AUG 89900.0 97 112000.0 120 67300.0 72 93090. 97540 21820 95 APR-SEP 95300.0 97 118000.0 120 72700.0 74 98650. 101700 21820 95 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 6850.0 109 8380.0 133 5320.0 84 6306. 6909 1108 99 APR-AUG 6820.0 109 8350.0 134 5280.0 85 6248. 6628 1108 99 APR-SEP 7240.0 109 8770.0 132 5700.0 86 6638. 6922 1108 99 LEONIA, ID (1) APR-JUL 7590.0 108 9490.0 135 5690.0 81 7041. 7768 1538 107 APR-SEP 8760.0 108 10700.0 132 6860.0 84 8125. 8545 1538 107 BONNERS FERRY, ID APR-JUL 8290.0 109 9900.0 130 6560.0 86 7619. 8380 1636 107 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 16900.0 106 20000.0 125 13700.0 86 16010. 17210 2706 104 APR-SEP 17400.0 106 20700.0 126 14000.0 85 16450. 16790 2706 104 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1820.0 101 2240.0 124 1400.0 78 1800. 2033 269 90 FEB-SEP 2320.0 101 2740.0 119 1900.0 82 2305. 2361 269 90 APR-SEP 2250.0 101 2670.0 120 1830.0 82 2227. 2291 269 90 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 665.0 94 1060.0 151 275.0 39 704. 504 192 86 MISSOULA ABV, MT APR-SEP 1480.0 93 2020.0 127 945.0 59 1595. 1344 369 99 MISSOULA BLO, MT APR-SEP 2790.0 94 3620.0 122 1970.0 67 2962. 2770 657 106 ST. REGIS, MT (1) APR-SEP 3700.0 95 5350.0 137 2050.0 52 3907. 3648 895 108 PLAINS NR, MT (1) APR-SEP 10500.0 95 13800.0 125 7240.0 65 11060. 10840 2230 112 WHITEHORSE RAPIDS, ID (1) APR-SEP 11600.0 93 15400.0 124 7830.0 63 12460. 12060 2455 107 BLACKFOOT RIVER BONNER NR, MT APR-SEP 815.0 91 1180.0 132 450.0 50 892. 840 177 118 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1290.0 95 1640.0 120 935.0 69 1364. 1319 299 119 Jan-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1800.0 100 2180.0 121 1420.0 79 1801. 1780 381 149 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1680.0 97 2030.0 117 1330.0 76 1740. 1737 353 146 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2090.0 94 2690.0 121 1490.0 67 2224. 2357 361 121 APR-SEP 2000.0 94 2600.0 122 1400.0 66 2124. 2175 361 121 UPPER/MIDDLE COLUMBIA BASINS Jan-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5610.0 96 7020.0 121 4190.0 72 5825. 6002 1067 128 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 6550.0 98 8380.0 125 4720.0 70 6713. 7002 1355 136 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 870.0 107 1160.0 143 580.0 71 814. 997 220 112 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 13300.0 96 17500.0 126 9130.0 66 13910. 14260 3257 118 APR-JUL 12200.0 96 16300.0 128 7990.0 63 12740. 13520 3257 118 BOX CANYON BLO, WA (1) APR-SEP 13700.0 97 17400.0 123 9780.0 69 14090. 14500 3361 118 KETTLE RIVER LAURIER NR, WA APR-SEP 2260.0 115 2730.0 138 1790.0 91 1972. 2366 85 55 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 760.0 98 1010.0 130 505.0 65 778. 871 322 121 APR-JUL 720.0 97 970.0 131 470.0 64 739. 841 322 121 COEUR D'ALENE LAKE IN, ID APR-JUL 2500.0 98 3270.0 128 1730.0 68 2552. 2456 963 110 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2690.0 98 2840.0 103 2530.0 92 2744. 2705 1063 114 ST JOE RIVER CALDER, ID APR-SEP 1220.0 101 1510.0 125 920.0 76 1205. 1263 298 117 APR-JUL 1140.0 100 1440.0 127 840.0 74 1136. 1203 298 117 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 2010.0 114 2820.0 160 1210.0 69 1766. 1470 379 124 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1650.0 122 2230.0 165 1060.0 79 1350. 1079 315 173 APR-SEP 1770.0 122 2360.0 163 1190.0 82 1450. 1122 315 173 METHOW RIVER PATEROS NR, WA (1) APR-SEP 1220.0 124 1630.0 165 810.0 82 985. 1144 165 142 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1460.0 123 1680.0 142 1230.0 104 1185. 1345 336 163 WENATCHEE RIVER PESHASTIN, WA APR-SEP 2080.0 127 2650.0 162 1500.0 92 1635. 1669 530 132 YAKIMA AND MAINSTEM SNAKE BASINS Jan-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 176.0 132 210.0 158 141.0 106 133. 137 85 103 CLE ELUM, WA APR-SEP 1170.0 130 1350.0 150 1000.0 111 903. 906 475 117 PARKER NR, WA APR-SEP 2500.0 130 2910.0 152 2080.0 108 1918. 2346 1125 129 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 155.0 129 184.0 153 127.0 106 120. 122 80 120 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 590.0 132 680.0 152 500.0 112 448. 475 195 125 NACHES RIVER NACHES NR, WA APR-SEP 1060.0 127 1230.0 147 895.0 107 837. 1086 456 168 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 174.0 130 210.0 157 141.0 105 134. 154 77 154 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 300.0 124 350.0 145 245.0 101 242. 244 131 147 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 58.0 126 77.0 167 39.0 85 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-SEP 805.0 89 995.0 110 615.0 68 904. 861 128 89 APR-JUL 725.0 89 915.0 112 535.0 66 815. 812 128 89 PALISADES RES INFLOW, ID (1) APR-JUL 2760.0 83 3630.0 109 1890.0 57 3331. 3267 705 92 HEISE NR, ID APR-JUL 2940.0 83 3910.0 110 1960.0 55 3561. 3618 832 94 SHELLEY NR, ID (1) APR-JUL 3880.0 88 4870.0 110 2890.0 65 4428. 4634 1299 97 BLACKFOOT NR, ID (1) APR-JUL 3910.0 85 4910.0 107 2900.0 63 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 2490.0 77 3880.0 120 1100.0 34 3242. 2929 1511 87 MILNER, ID APR-JUL 345.0 28 845.0 69 300.0 24 1228. 996 260 26 KING HILL, ID (1) APR-JUL 1850.0 61 3030.0 100 660.0 22 3045. 3030 1956 68 MURPHY NR, ID (1) APR-JUL 1910.0 62 3160.0 102 665.0 22 3092. 3104 2004 68 WEISER, ID (1) JAN-JUL 6280.0 64 9120.0 93 3430.0 35 9793. 12140 2890 70 APR-JUL 3690.0 64 6540.0 113 845.0 15 5765. 8160 2890 70 BROWNLEE RES INFLOW APR-JUL 4130.0 65 6890.0 109 1370.0 22 6313. 8975 3054 70 HELLS CANYON, ID (1) APR-JUL 4220.0 65 7270.0 112 1170.0 18 6493. 9324 3172 73 LOWER GRANITE RES IN, WA (1) JAN-JUL 25300.0 84 34600.0 115 16000.0 53 30020. 32200 6412 85 FEB-SEP 25900.0 85 35200.0 116 16600.0 55 30370. 31790 6412 85 APR-JUL 18500.0 86 27800.0 129 9170.0 43 21550. 24440 6412 85 UPPER SNAKE BASINS Jan-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 330.0 84 440.0 112 215.0 55 394. 401 75 115 SALT RIVER ETNA NR, WY APR-JUL 280.0 82 425.0 124 130.0 38 342. 363 126 95 HENRYS FORK ASHTON NR, ID APR-JUL 495.0 87 630.0 110 355.0 62 571. 659 283 81 ST. ANTHONY, ID APR-JUL 640.0 87 900.0 123 390.0 53 734. 819 415 103 REXBURG NR, ID APR-JUL 1370.0 88 1780.0 114 970.0 62 1559. 1016 512 76 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 335.0 87 415.0 108 255.0 66 386. 370 98 80 TETON RIVER ST. ANTHONY NR, ID APR-JUL 345.0 86 495.0 123 197.0 49 403. 464 125 106 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 120.0 85 199.0 140 40.0 28 142. 229 42 80 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 68.0 79 111.0 129 25.0 29 86. 94 12 89 PORTNEUF RIVER TOPAZ, ID APR-SEP 74.0 78 101.0 106 46.0 48 95. 120 32 84 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 22.0 76 41.0 141 1.9 7 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 195.0 76 325.0 127 65.0 25 256. 431 50 107 MAGIC RESERVOIR INFLOW, ID APR-JUL 181.0 62 390.0 134 0.0 0 291. 591 33 102 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 59.0 68 106.0 122 11.2 13 87. 163 17 106 MIDDLE SNAKE BASINS Jan-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 151.0 73 265.0 127 35.0 17 208. 276 25 78 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 270.0 44 720.0 117 0.0 0 613. 1050 84 66 OWYHEE RES OUTFLOW APR-JUL 18.2 8 380.0 175 0.0 0 217. 594 15 55 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 560.0 88 720.0 113 395.0 62 636. 828 113 99 BOISE NR, ID (1) APR-JUL 1180.0 83 1680.0 119 690.0 49 1414. 2060 248 93 PARMA NR, ID APR-JUL 200.0 34 650.0 110 67.0 11 593. 1102 210 72 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 440.0 81 555.0 102 320.0 59 542. 816 84 103 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 67.0 61 132.0 120 0.8 110. 239 19 75 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 54.0 67 89.0 110 19.0 23 81. 155 16 84 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1460.0 90 2020.0 125 895.0 55 1617. 2214 341 93 EMMETT NR, ID APR-JUL 1110.0 89 1710.0 137 495.0 40 1246. 1977 267 69 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 122.0 91 161.0 120 83.0 62 134. 180 24 111 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 455.0 92 620.0 125 290.0 59 495. 684 123 96 WEISER RIVER WEISER NR, ID (1) APR-JUL 320.0 82 555.0 142 83.0 21 391. 717 79 61 BURNT RIVER HEREFORD NR, OR MAR-JUL 36.0 71 60.0 118 12.2 24 51. 81 10 83 LOWER SNAKE AND CENTRAL OREGON BASINS Jan-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 51.0 73 72.0 103 30.0 43 70. 90 IMNAHA RIVER IMNAHA, OR MAR-JUL 245.0 81 335.0 111 154.0 51 301. 394 44 89 SALMON RIVER SALMON, ID (1) APR-JUL 755.0 88 1130.0 132 380.0 44 857. 1078 321 104 WHITEBIRD, ID (1) JAN-JUL 6190.0 91 8240.0 121 4130.0 61 6805. 7274 1178 98 APR-JUL 5330.0 91 7390.0 126 3280.0 56 5851. 6441 1178 98 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 196.0 79 275.0 110 116.0 47 249. 238 25 57 APR-JUL 145.0 79 225.0 122 65.0 35 184. 202 25 57 TROY, OR (1) MAR-JUL 1350.0 86 1920.0 122 780.0 49 1578. 1573 349 89 APR-JUL 1100.0 86 1660.0 130 530.0 42 1274. 1369 349 89 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4720.0 102 6480.0 140 2950.0 64 4645. 4316 933 113 SPALDING, ID (1) JAN-JUL 9780.0 101 12800.0 132 6800.0 70 9683. 9175 1834 116 APR-JUL 7640.0 103 10600.0 143 4660.0 63 7435. 7274 1834 116 APR-SEP 8060.0 103 11000.0 140 5080.0 65 7849. 7550 1834 116 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3580.0 101 4710.0 133 2440.0 69 3547. 3507 783 120 APR-JUL 2720.0 103 3860.0 146 1590.0 60 2644. 2676 783 120 APR-SEP 2900.0 103 4030.0 144 1760.0 63 2803. 2786 783 120 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 52.0 98 70.0 132 34.0 64 53. 63 38 103 UMATILLA RIVER GIBBON NR, OR APR-JUL 66.0 90 98.0 134 35.0 48 73. 86 52 117 PENDLETON, OR APR-JUL 134.0 90 205.0 138 63.0 42 149. 178 120 120 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 132.0 83 189.0 118 74.0 46 160. 0 APR-JUL 102.0 83 159.0 129 44.0 36 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 500.0 84 770.0 129 230.0 39 597. 745 138 89 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 965.0 84 1450.0 126 480.0 42 1153. 1235 198 75 APR-SEP 725.0 84 1210.0 140 240.0 28 865. 1038 198 75 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 530.0 100 595.0 113 460.0 87 528. 497 335 100 Jan-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 176.0 96 270.0 147 83.0 45 184. 316 38 77 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 32.0 89 48.0 133 16.2 45 36. 59 WESTSIDE AND SOUTHERN OREGON BASINS Jan-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 7120.0 112 8740.0 137 5490.0 86 6365. 5621 4076 125 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3530.0 110 4630.0 144 2440.0 76 3217. 3453 2299 130 APR-JUL 1910.0 113 3000.0 178 810.0 48 1689. 1642 2299 130 APR-SEP 2170.0 113 3270.0 170 1070.0 56 1922. 1817 2299 130 CASTLE ROCK, WA APR-SEP 2860.0 108 4410.0 167 1320.0 50 2639. 2380 3718 135 JAN-JUL 5130.0 109 6670.0 142 3580.0 76 4709. 5136 3718 135 LEWIS RIVER ARIEL, WA JAN-JUL 2580.0 110 2970.0 126 2190.0 93 2351. 2514 1848 121 MCKENZIE RIVER VIDA NR, OR APR-SEP 1190.0 99 1480.0 123 895.0 75 1201. 1142 1406 122 S. SANTIAM RIVER WATERLOO, OR APR-SEP 580.0 99 850.0 145 310.0 53 587. 540 1313 124 N. SANTIAM RIVER MEHAMA, OR APR-SEP 820.0 98 1110.0 133 540.0 65 834. 754 1419 131 WILLAMETTE RIVER SALEM, OR APR-SEP 4740.0 99 6420.0 134 3050.0 63 4804. 4373 9380 120 CLACKAMAS RIVER ESTACADA, OR APR-SEP 765.0 102 975.0 130 560.0 75 748. 678 1095 130 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 146.0 97 191.0 126 101.0 67 151. 156 68 75 JAN-JUL 168.0 93 215.0 119 123.0 68 181. 195 68 75 ROGUE RIVER RAYGOLD, OR APR-SEP 850.0 96 1150.0 129 550.0 62 889. 895 799 98 JAN-JUL 1470.0 93 1770.0 112 1170.0 74 1584. 1970 799 98 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 64.0 72 104.0 117 24.0 27 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 80.0 62 160.0 124 0.1 0 129. 196 10 66 APR-SEP 61.0 62 141.0 142 0.0 0 99. 167 10 66 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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