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Water Supply Forecasts Northwest River Forecast Center Thursday June 21, 2007 at 21:45 GMT Observed precipitation through the 18th Future precip assumed to be normal No snow included Observed runoff through May note: current month runoff based on OBSERVED + ESP to the end of JUN UPPER COLUMBIA BASINS Jun-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 11400.0 119 12700.0 132 10200.0 106 9619. 9985 8907 117 FEB-SEP 15400.0 119 16700.0 129 14200.0 110 12960. 12300 8907 117 APR-SEP 14900.0 119 16100.0 129 13600.0 109 12500. 11850 8907 117 REVELSTOKE, BC JAN-JUL 16300.0 117 17200.0 124 15200.0 110 13880. 14190 12770 113 ARROW LAKES INFLOW JAN-JUL 23600.0 113 25400.0 121 21800.0 104 20960. 20790 19450 108 FEB-SEP 30000.0 113 31900.0 121 28200.0 107 26460. 24050 19450 108 APR-SEP 28500.0 114 30300.0 121 26700.0 106 25110. 22920 19450 108 BIRCHBANK, BC (1) JAN-JUL 44100.0 113 48200.0 124 40000.0 103 38930. 41180 39260 113 APR-SEP 48500.0 111 52600.0 121 44400.0 102 43500. 42860 39260 113 GRAND COULEE, WA (1) JAN-JUL 65000.0 103 70800.0 113 59200.0 94 62900. 66890 61290 103 APR-SEP 64500.0 101 70300.0 110 58700.0 92 63990. 63870 61290 103 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 73000.0 106 80000.0 116 66100.0 96 68910. 71930 67780 104 APR-SEP 72000.0 104 78900.0 113 65100.0 94 69540. 68910 67780 104 THE DALLES NR, OR (1) JAN-JUL 96400.0 90 105000.0 98 88100.0 82 107300. 114700 99540 92 APR-AUG 81400.0 87 89600.0 96 73100.0 79 93090. 97540 99540 92 APR-SEP 86300.0 87 94500.0 96 78000.0 79 98650. 101700 99540 92 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 7540.0 120 8590.0 136 6490.0 103 6306. 6909 7092 119 APR-AUG 7380.0 118 8430.0 135 6330.0 101 6248. 6628 7092 119 APR-SEP 7850.0 118 8900.0 134 6800.0 102 6638. 6922 7092 119 LEONIA, ID (1) APR-JUL 7700.0 109 9000.0 128 6400.0 91 7041. 7768 8993 115 APR-SEP 8880.0 109 10200.0 126 7580.0 93 8125. 8545 8993 115 BONNERS FERRY, ID APR-JUL 8110.0 106 9440.0 124 6900.0 91 7619. 8380 9732 114 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 18300.0 114 19900.0 124 16600.0 104 16010. 17210 17270 115 APR-SEP 18200.0 111 20100.0 122 16300.0 99 16450. 16790 17270 115 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 2190.0 122 2540.0 141 1840.0 102 1800. 2033 1800 122 FEB-SEP 2800.0 121 3150.0 137 2450.0 106 2305. 2361 1800 122 APR-SEP 2680.0 120 3030.0 136 2330.0 105 2227. 2291 1800 122 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 595.0 85 820.0 116 375.0 53 704. 504 742 87 MISSOULA ABV, MT APR-SEP 1270.0 80 1520.0 95 1020.0 64 1595. 1344 1588 89 MISSOULA BLO, MT APR-SEP 2260.0 76 2630.0 89 1890.0 64 2962. 2770 3006 92 ST. REGIS, MT (1) APR-SEP 2890.0 74 3530.0 90 2250.0 58 3907. 3648 3925 90 PLAINS NR, MT (1) APR-SEP 8810.0 80 10200.0 92 7410.0 67 11060. 10840 10670 91 WHITEHORSE RAPIDS, ID (1) APR-SEP 9630.0 77 11300.0 91 7940.0 64 12460. 12060 11950 89 BLACKFOOT RIVER BONNER NR, MT APR-SEP 685.0 77 770.0 86 595.0 67 892. 840 847 91 BITTERROOT RIVER AT MOUTH, MT APR-SEP 995.0 73 1170.0 86 820.0 60 1364. 1319 1279 87 Jun-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1710.0 95 1890.0 105 1520.0 84 1801. 1780 1932 111 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1460.0 84 1650.0 95 1260.0 72 1740. 1737 1709 101 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 1980.0 89 2390.0 107 1560.0 70 2224. 2357 2075 94 APR-SEP 1730.0 81 2150.0 101 1310.0 62 2124. 2175 2075 94 UPPER/MIDDLE COLUMBIA BASINS Jun-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5030.0 86 5760.0 99 4290.0 74 5825. 6002 5771 99 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 5660.0 84 6830.0 102 4480.0 67 6713. 7002 6822 100 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 690.0 85 870.0 107 510.0 63 814. 997 1101 100 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 11100.0 80 13000.0 93 9230.0 66 13910. 14260 14890 96 APR-JUL 10200.0 80 12100.0 95 8270.0 65 12740. 13520 14890 96 BOX CANYON BLO, WA (1) APR-SEP 11300.0 80 13300.0 94 9200.0 65 14090. 14500 15220 96 KETTLE RIVER LAURIER NR, WA APR-SEP 1610.0 82 1870.0 95 1350.0 68 1972. 2366 1574 81 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 495.0 64 590.0 76 400.0 51 778. 871 1266 99 APR-JUL 470.0 64 565.0 76 375.0 51 739. 841 1266 99 COEUR D'ALENE LAKE IN, ID APR-JUL 1610.0 63 1890.0 74 1330.0 52 2552. 2456 3820 88 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 1880.0 69 1950.0 71 1820.0 66 2744. 2705 4176 94 ST JOE RIVER CALDER, ID APR-SEP 875.0 73 985.0 82 760.0 63 1205. 1263 1484 95 APR-JUL 825.0 73 940.0 83 715.0 63 1136. 1203 1484 95 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1780.0 101 2220.0 126 1340.0 76 1766. 1470 2074 115 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1450.0 107 1750.0 130 1150.0 85 1350. 1079 1829 129 APR-SEP 1560.0 108 1870.0 129 1260.0 87 1450. 1122 1829 129 METHOW RIVER PATEROS NR, WA (1) APR-SEP 1100.0 112 1290.0 131 900.0 91 985. 1144 1171 124 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1350.0 114 1560.0 132 1140.0 96 1185. 1345 1523 132 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1680.0 103 2180.0 133 1170.0 72 1635. 1669 2162 118 YAKIMA AND MAINSTEM SNAKE BASINS Jun-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 126.0 95 149.0 112 103.0 77 133. 137 247 108 CLE ELUM, WA APR-SEP 825.0 91 955.0 106 695.0 77 903. 906 1517 113 PARKER NR, WA APR-SEP 1860.0 97 2170.0 113 1560.0 81 1918. 2346 3687 122 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 111.0 93 129.0 108 93.0 78 120. 122 229 114 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 430.0 96 495.0 110 370.0 83 448. 475 678 117 NACHES RIVER NACHES NR, WA APR-SEP 780.0 93 905.0 108 655.0 78 837. 1086 1458 129 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 128.0 96 156.0 116 99.0 74 134. 154 222 124 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 215.0 89 245.0 101 186.0 77 242. 244 362 117 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 40.0 87 55.0 120 25.0 54 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-JUL 465.0 57 620.0 76 310.0 38 815. 812 607 69 APR-SEP 515.0 57 670.0 74 360.0 40 904. 861 607 69 PALISADES RES INFLOW, ID (1) APR-JUL 1660.0 50 2090.0 63 1220.0 37 3331. 3267 2488 66 APR-SEP 1930.0 50 2370.0 61 1490.0 38 3875. 3672 2488 66 HEISE NR, ID APR-JUL 1850.0 52 2340.0 66 1370.0 38 3561. 3618 2868 69 APR-SEP 2160.0 52 2650.0 64 1670.0 40 4159. 4188 2868 69 SHELLEY NR, ID (1) APR-JUL 2250.0 51 2780.0 63 1720.0 39 4428. 4634 4024 74 APR-SEP 2710.0 51 3230.0 61 2180.0 41 5324. 5339 4024 74 BLACKFOOT NR, ID (1) APR-JUL 2270.0 49 2830.0 61 1700.0 37 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 705.0 22 1430.0 44 0.0 0 3242. 2929 2916 53 MILNER, ID APR-JUL 132.0 11 200.0 16 130.0 11 1228. 996 547 20 KING HILL, ID (1) APR-JUL 1520.0 50 2280.0 75 765.0 25 3045. 3030 4020 58 MURPHY NR, ID (1) APR-JUL 1360.0 44 2190.0 71 530.0 17 3092. 3104 4068 57 WEISER, ID (1) JAN-JUL 4630.0 47 5960.0 61 3310.0 34 9793. 12140 6432 54 APR-JUL 2340.0 41 3670.0 64 1010.0 18 5765. 8160 6432 54 APR-SEP 3710.0 52 5040.0 70 2380.0 33 7192. 9471 6432 54 BROWNLEE RES INFLOW APR-JUL 2570.0 41 4290.0 68 850.0 13 6313. 8975 6992 54 APR-SEP 3700.0 47 5420.0 69 1990.0 26 7801. 10350 6992 54 HELLS CANYON, ID (1) APR-JUL 2630.0 41 4090.0 63 1160.0 18 6493. 9324 7266 55 APR-SEP 4010.0 50 5470.0 69 2540.0 32 7977. 10740 7266 55 LOWER GRANITE RES IN, WA (1) JAN-JUL 19100.0 64 22300.0 74 15800.0 53 30020. 32200 22570 69 FEB-SEP 19200.0 63 22500.0 74 16000.0 53 30370. 31790 22570 69 APR-JUL 12700.0 59 16000.0 74 9400.0 44 21550. 24440 22570 69 APR-SEP 14300.0 59 17600.0 73 11000.0 46 24140. 26590 22570 69 UPPER SNAKE BASINS Jun-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 220.0 56 270.0 69 172.0 44 394. 401 282 77 SALT RIVER ETNA NR, WY APR-JUL 138.0 40 198.0 58 78.0 23 342. 363 304 64 HENRYS FORK ASHTON NR, ID APR-JUL 350.0 61 420.0 74 275.0 48 571. 659 807 82 ST. ANTHONY, ID APR-JUL 375.0 51 485.0 66 260.0 35 734. 819 1018 83 REXBURG NR, ID APR-JUL 675.0 43 850.0 55 495.0 32 1559. 1016 1236 56 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 166.0 43 220.0 57 109.0 28 386. 370 286 58 TETON RIVER ST. ANTHONY NR, ID APR-JUL 210.0 52 285.0 71 137.0 34 403. 464 385 79 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 58.0 41 98.0 69 17.1 12 142. 229 116 64 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 15.4 18 39.0 45 0.0 0 86. 94 39 37 PORTNEUF RIVER TOPAZ, ID APR-SEP 51.0 54 63.0 66 39.0 41 95. 120 85 68 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 13.6 47 19.2 66 8.0 28 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 105.0 41 178.0 70 32.0 13 256. 431 166 59 MAGIC RESERVOIR INFLOW, ID APR-JUL 53.0 18 104.0 36 2.1 291. 591 120 35 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 11.2 13 28.0 32 0.0 0 87. 163 32 30 MIDDLE SNAKE BASINS Jun-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 92.0 44 136.0 65 48.0 23 208. 276 138 52 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 139.0 23 205.0 33 74.0 12 613. 1050 282 35 OWYHEE RES OUTFLOW APR-JUL 36.0 17 43.0 20 28.0 13 217. 594 74 20 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 350.0 55 450.0 71 250.0 39 636. 828 537 70 BOISE NR, ID (1) APR-JUL 665.0 47 885.0 63 440.0 31 1414. 2060 1116 62 PARMA NR, ID APR-JUL 117.0 20 157.0 26 87.0 15 593. 1102 416 37 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 235.0 43 340.0 63 135.0 25 542. 816 359 56 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 38.0 35 43.0 39 33.0 30 110. 239 68 45 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 5.2 6 9.1 11 1.3 2 81. 155 28 27 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 900.0 56 1220.0 75 580.0 36 1617. 2214 1485 71 EMMETT NR, ID APR-JUL 600.0 48 950.0 76 325.0 26 1246. 1977 977 53 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 81.0 60 105.0 78 57.0 43 134. 180 117 77 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 285.0 58 370.0 75 194.0 39 495. 684 482 72 WEISER RIVER WEISER NR, ID (1) APR-JUL 142.0 36 250.0 64 34.0 9 391. 717 336 45 BURNT RIVER HEREFORD NR, OR MAR-JUL 16.3 32 19.7 39 12.9 25 51. 81 29 43 LOWER SNAKE AND CENTRAL OREGON BASINS Jun-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 27.0 39 36.0 51 17.5 25 70. 90 IMNAHA RIVER IMNAHA, OR MAR-JUL 175.0 58 220.0 73 133.0 44 301. 394 214 66 SALMON RIVER SALMON, ID (1) APR-JUL 550.0 64 830.0 97 270.0 32 857. 1078 969 86 WHITEBIRD, ID (1) JAN-JUL 4640.0 68 5570.0 82 3710.0 55 6805. 7274 5259 77 APR-JUL 3730.0 64 4660.0 80 2790.0 48 5851. 6441 5259 77 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 122.0 49 141.0 57 103.0 41 249. 238 182 58 APR-JUL 68.0 37 87.0 47 49.0 27 184. 202 182 58 TROY, OR (1) MAR-JUL 950.0 60 1340.0 85 560.0 35 1578. 1573 1418 70 APR-JUL 665.0 52 1060.0 83 275.0 22 1274. 1369 1418 70 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 3140.0 68 4150.0 89 2130.0 46 4645. 4316 4798 82 SPALDING, ID (1) JAN-JUL 7490.0 77 8900.0 92 6070.0 63 9683. 9175 8617 86 APR-JUL 5130.0 69 6540.0 88 3710.0 50 7435. 7274 8617 86 APR-SEP 5450.0 69 6870.0 88 4040.0 51 7849. 7550 8617 86 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 2800.0 79 3220.0 91 2390.0 67 3547. 3507 3319 88 APR-JUL 1860.0 70 2280.0 86 1440.0 54 2644. 2676 3319 88 APR-SEP 1970.0 70 2380.0 85 1550.0 55 2803. 2786 3319 88 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 40.0 75 48.0 91 32.0 60 53. 63 104 97 UMATILLA RIVER GIBBON NR, OR APR-JUL 38.0 52 48.0 66 28.0 38 73. 86 143 89 PENDLETON, OR APR-JUL 66.0 44 82.0 55 50.0 34 149. 178 313 85 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 75.0 47 92.0 58 57.0 36 160. 0 APR-JUL 58.0 47 75.0 61 40.0 33 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 285.0 48 370.0 62 200.0 34 597. 745 721 71 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 690.0 60 955.0 83 425.0 37 1153. 1235 972 65 APR-SEP 425.0 49 690.0 80 158.0 18 865. 1038 972 65 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 490.0 93 520.0 98 465.0 88 528. 497 695 93 Jun-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 103.0 56 115.0 63 90.0 49 184. 316 165 61 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 25.0 69 29.0 81 21.0 58 36. 59 WESTSIDE AND SOUTHERN OREGON BASINS Jun-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 6470.0 102 7600.0 119 5330.0 84 6365. 5621 10620 123 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3050.0 95 3830.0 119 2270.0 71 3217. 3453 4609 111 APR-JUL 1340.0 79 2120.0 126 555.0 33 1689. 1642 4609 111 APR-SEP 1520.0 79 2300.0 120 735.0 38 1922. 1817 4609 111 CASTLE ROCK, WA APR-SEP 1900.0 72 2980.0 113 820.0 31 2639. 2380 6958 112 JAN-JUL 4420.0 94 5500.0 117 3340.0 71 4709. 5136 6958 112 LEWIS RIVER ARIEL, WA JAN-JUL 2030.0 86 2150.0 91 1920.0 82 2351. 2514 3247 99 MCKENZIE RIVER VIDA NR, OR APR-SEP 915.0 76 1000.0 83 835.0 70 1201. 1142 2656 100 S. SANTIAM RIVER WATERLOO, OR APR-SEP 340.0 58 450.0 77 230.0 39 587. 540 2164 100 N. SANTIAM RIVER MEHAMA, OR APR-SEP 565.0 68 690.0 83 435.0 52 834. 754 2403 102 WILLAMETTE RIVER SALEM, OR APR-SEP 3120.0 65 3710.0 77 2530.0 53 4804. 4373 15840 96 CLACKAMAS RIVER ESTACADA, OR APR-SEP 510.0 68 595.0 80 425.0 57 748. 678 1959 103 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 103.0 68 124.0 82 82.0 54 151. 156 171 76 JAN-JUL 133.0 73 154.0 85 112.0 62 181. 195 171 76 ROGUE RIVER RAYGOLD, OR APR-SEP 685.0 77 745.0 84 625.0 70 889. 895 1768 88 JAN-JUL 1270.0 80 1330.0 84 1210.0 76 1584. 1970 1768 88 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 50.0 56 72.0 81 27.0 30 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 30.0 23 76.0 59 0.0 0 129. 196 47 31 APR-SEP 18.0 18 64.0 65 0.0 0 99. 167 47 31 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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