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Water Supply Forecasts Northwest River Forecast Center Thursday June 01, 2006 at 22:26 GMT Observed precipitation through the 29th Future precip is 90% of normal for the first half of JUN Future precip is 100% of normal for the rest of the period No snow included Full complement runoff applied note: runoff based on ESP forecast for entire month of MAY UPPER COLUMBIA BASINS Jun-06 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 8590.0 89 9870.0 103 7310.0 76 9619. 9079 5250 121 FEB-SEP 11500.0 89 12800.0 99 10200.0 79 12960. 11800 5250 121 APR-SEP 11100.0 89 12300.0 98 9770.0 78 12500. 11360 5250 121 REVELSTOKE, BC JAN-JUL 12700.0 91 13700.0 99 11700.0 84 13880. 12860 7931 121 ARROW LAKES INFLOW JAN-JUL 19700.0 94 21600.0 103 17800.0 85 20960. 18580 13020 115 FEB-SEP 24700.0 93 26600.0 101 22800.0 86 26460. 22700 13020 115 APR-SEP 23600.0 94 25500.0 102 21700.0 86 25110. 21650 13020 115 BIRCHBANK, BC (1) JAN-JUL 38600.0 99 42800.0 110 34300.0 88 38930. 34250 27690 125 APR-SEP 42900.0 99 47100.0 108 38600.0 89 43500. 37220 27690 125 GRAND COULEE, WA (1) JAN-JUL 63300.0 101 69500.0 110 57100.0 91 62900. 54180 48760 119 APR-SEP 63700.0 100 69900.0 109 57500.0 90 63990. 52740 48760 119 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 69800.0 101 77100.0 112 62500.0 91 68910. 58540 51620 115 APR-SEP 70600.0 102 77900.0 112 63300.0 91 69540. 56310 51620 115 THE DALLES NR, OR (1) JAN-JUL 111000.0 103 120000.0 112 101000.0 94 107300. 87690 91450 114 APR-AUG 96500.0 104 106000.0 114 87000.0 93 93090. 73770 91450 114 APR-SEP 102000.0 103 112000.0 114 92700.0 94 98650. 77440 91450 114 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 6300.0 100 7430.0 118 5180.0 82 6306. 5187 5090 135 APR-AUG 6220.0 100 7340.0 117 5090.0 81 6248. 5084 5090 135 APR-SEP 6610.0 100 7730.0 116 5480.0 83 6638. 5340 5090 135 LEONIA, ID (1) APR-JUL 7080.0 101 8470.0 120 5690.0 81 7041. 5608 6640 126 APR-SEP 8170.0 101 9560.0 118 6780.0 83 8125. 6276 6640 126 BONNERS FERRY, ID APR-JUL 7690.0 101 9030.0 119 6360.0 83 7619. 5943 7222 123 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 16800.0 105 18600.0 116 14900.0 93 16010. 13420 12580 126 APR-SEP 17200.0 105 19300.0 117 15000.0 91 16450. 13430 12580 126 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1760.0 98 2120.0 118 1410.0 78 1800. 1696 1161 132 FEB-SEP 2230.0 97 2590.0 112 1880.0 82 2305. 2147 1161 132 APR-SEP 2160.0 97 2520.0 113 1810.0 81 2227. 2066 1161 132 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 675.0 96 895.0 127 455.0 65 704. 617 558 88 MISSOULA ABV, MT APR-SEP 1620.0 102 1870.0 117 1380.0 87 1595. 1353 1281 99 MISSOULA BLO, MT APR-SEP 3120.0 105 3490.0 118 2750.0 93 2962. 2767 2424 108 ST. REGIS, MT (1) APR-SEP 4100.0 105 4840.0 124 3360.0 86 3907. 3591 3243 105 PLAINS NR, MT (1) APR-SEP 11500.0 104 13100.0 118 9810.0 89 11060. 8624 9330 115 WHITEHORSE RAPIDS, ID (1) APR-SEP 12700.0 102 14600.0 117 10800.0 87 12460. 9321 10270 109 BLACKFOOT RIVER BONNER NR, MT APR-SEP 950.0 107 1040.0 117 865.0 97 892. 736 722 109 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1510.0 111 1680.0 123 1330.0 98 1364. 1317 1081 114 Jun-06 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1920.0 107 2100.0 117 1730.0 96 1801. 1404 1504 130 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1760.0 101 1960.0 113 1560.0 90 1740. 1418 1410 127 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2330.0 105 2740.0 123 1910.0 86 2224. 1817 1756 117 APR-SEP 2200.0 104 2620.0 123 1780.0 84 2124. 1692 1756 117 UPPER/MIDDLE COLUMBIA BASINS Jun-06 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 6060.0 104 6790.0 117 5320.0 91 5825. 4553 4807 124 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 7080.0 105 8250.0 123 5900.0 88 6713. 4984 5919 127 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 910.0 112 1100.0 135 720.0 88 814. 662 1022 116 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 14300.0 103 16400.0 118 12200.0 88 13910. 10350 12890 115 APR-JUL 13100.0 103 15200.0 119 11000.0 86 12740. 9715 12890 115 BOX CANYON BLO, WA (1) APR-SEP 14500.0 103 16700.0 119 12300.0 87 14090. 10850 13280 115 KETTLE RIVER LAURIER NR, WA APR-SEP 2260.0 115 2520.0 128 2000.0 101 1972. 1569 1735 127 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 870.0 112 965.0 124 775.0 100 778. 419 1297 112 APR-JUL 825.0 112 920.0 124 730.0 99 739. 393 1297 112 COEUR D'ALENE LAKE IN, ID APR-JUL 2410.0 94 2690.0 105 2130.0 83 2552. 1367 3702 97 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2630.0 96 2700.0 98 2560.0 93 2744. 1623 4023 104 ST JOE RIVER CALDER, ID APR-SEP 1240.0 103 1350.0 112 1130.0 94 1205. 867 1366 108 APR-JUL 1170.0 103 1290.0 114 1060.0 93 1136. 814 1366 108 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1520.0 86 1990.0 113 1050.0 59 1766. 847 1108 92 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1160.0 86 1480.0 110 850.0 63 1350. 807 803 91 APR-SEP 1250.0 86 1560.0 108 935.0 64 1450. 837 803 91 METHOW RIVER PATEROS NR, WA (1) APR-SEP 965.0 98 1180.0 120 760.0 77 985. 674 745 124 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1140.0 96 1350.0 114 935.0 79 1185. 973 894 114 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1560.0 95 2060.0 126 1050.0 64 1635. 1263 1229 92 YAKIMA AND MAINSTEM SNAKE BASINS Jun-06 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 141.0 106 164.0 123 118.0 89 133. 97 172 88 CLE ELUM, WA APR-SEP 940.0 104 1070.0 118 810.0 90 903. 667 994 89 PARKER NR, WA APR-SEP 2170.0 113 2480.0 129 1870.0 97 1918. 1554 2557 101 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 126.0 105 144.0 120 108.0 90 120. 87 152 89 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 470.0 105 535.0 119 410.0 92 448. 353 426 94 NACHES RIVER NACHES NR, WA APR-SEP 945.0 113 1070.0 128 820.0 98 837. 714 992 110 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 146.0 109 175.0 131 118.0 88 134. 100 148 108 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 265.0 110 300.0 124 235.0 97 242. 198 233 96 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 51.0 111 66.0 143 36.0 78 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-SEP 1060.0 117 1220.0 135 905.0 100 904. 717 665 125 APR-JUL 955.0 117 1110.0 136 800.0 98 815. 639 665 125 PALISADES RES INFLOW, ID (1) APR-JUL 3730.0 112 4160.0 125 3290.0 99 3331. 2288 2846 115 HEISE NR, ID APR-JUL 4030.0 113 4510.0 127 3540.0 99 3561. 2472 3229 117 SHELLEY NR, ID (1) APR-JUL 5450.0 123 6000.0 136 4900.0 111 4428. 2899 4560 121 BLACKFOOT NR, ID (1) APR-JUL 5490.0 119 6080.0 132 4900.0 106 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 3980.0 123 4780.0 147 3170.0 98 3242. 1071 4360 100 MILNER, ID APR-JUL 1400.0 114 2040.0 166 750.0 61 1228. 43 1363 56 KING HILL, ID (1) APR-JUL 3330.0 109 4130.0 136 2530.0 83 3045. 1416 4694 77 MURPHY NR, ID (1) APR-JUL 3620.0 117 4490.0 145 2740.0 89 3092. 1399 5106 80 WEISER, ID (1) JAN-JUL 12500.0 128 13900.0 142 11100.0 113 9793. 5271 12310 117 APR-JUL 8520.0 148 9930.0 172 7100.0 123 5765. 3085 12310 117 BROWNLEE RES INFLOW APR-JUL 9290.0 147 11000.0 174 7570.0 120 6313. 3522 13500 119 HELLS CANYON, ID (1) APR-JUL 9600.0 148 11200.0 172 8030.0 124 6493. 3743 13880 121 LOWER GRANITE RES IN, WA (1) JAN-JUL 34800.0 116 38300.0 128 31300.0 104 30020. 23810 28640 110 FEB-SEP 35200.0 116 38800.0 128 31700.0 104 30370. 23940 28640 110 APR-JUL 27000.0 125 30600.0 142 23500.0 109 21550. 16730 28640 110 UPPER SNAKE BASINS Jun-06 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 430.0 109 480.0 122 380.0 96 394. 292 392 162 SALT RIVER ETNA NR, WY APR-JUL 390.0 114 450.0 132 330.0 96 342. 176 411 112 HENRYS FORK ASHTON NR, ID APR-JUL 645.0 113 715.0 125 570.0 100 571. 378 853 102 ST. ANTHONY, ID APR-JUL 865.0 118 980.0 134 750.0 102 734. 382 1125 110 REXBURG NR, ID APR-JUL 1740.0 112 1920.0 123 1560.0 100 1559. 394 1420 83 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 435.0 113 495.0 128 380.0 98 386. 187 344 97 TETON RIVER ST. ANTHONY NR, ID APR-JUL 480.0 119 555.0 138 405.0 100 403. 261 392 118 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 185.0 130 225.0 158 144.0 101 142. 74 74 62 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 106.0 123 132.0 153 79.0 92 86. 13 PORTNEUF RIVER TOPAZ, ID APR-SEP 128.0 135 140.0 147 116.0 122 95. 39 121 114 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 47.0 162 52.0 179 41.0 141 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 395.0 154 470.0 184 320.0 125 256. 229 306 168 MAGIC RESERVOIR INFLOW, ID APR-JUL 590.0 203 645.0 222 540.0 186 291. 147 526 204 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 161.0 185 178.0 205 144.0 166 87. 56 151 179 MIDDLE SNAKE BASINS Jun-06 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 325.0 156 370.0 178 280.0 135 208. 112 291 143 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 1060.0 173 1120.0 183 990.0 162 613. 158 1317 177 OWYHEE RES OUTFLOW APR-JUL 595.0 274 655.0 302 525.0 242 217. 30 842 239 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 850.0 134 950.0 149 750.0 118 636. 586 794 139 BOISE NR, ID (1) APR-JUL 2110.0 149 2340.0 165 1880.0 133 1414. 1129 2072 148 PARMA NR, ID APR-JUL 1060.0 179 1270.0 214 855.0 144 593. 195 1585 162 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 830.0 153 935.0 173 730.0 135 542. 393 723 154 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 240.0 218 245.0 223 235.0 214 110. 60 292 208 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 160.0 198 163.0 201 156.0 193 81. 46 177 188 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 2250.0 139 2580.0 160 1930.0 119 1617. 1490 2209 141 EMMETT NR, ID APR-JUL 1920.0 154 2270.0 182 1570.0 126 1246. 1177 2150 149 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 179.0 134 205.0 153 155.0 116 134. 133 143 141 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 695.0 140 790.0 160 595.0 120 495. 530 727 147 WEISER RIVER WEISER NR, ID (1) APR-JUL 700.0 179 825.0 211 575.0 147 391. 369 1294 193 BURNT RIVER HEREFORD NR, OR MAR-JUL 82.0 161 86.0 169 79.0 155 51. 28 91 143 LOWER SNAKE AND CENTRAL OREGON BASINS Jun-06 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 96.0 137 105.0 150 87.0 124 70. 45 IMNAHA RIVER IMNAHA, OR MAR-JUL 370.0 123 410.0 136 325.0 108 301. 261 320 129 SALMON RIVER SALMON, ID (1) APR-JUL 1070.0 125 1350.0 158 780.0 91 857. 676 920 119 WHITEBIRD, ID (1) JAN-JUL 7930.0 117 8930.0 131 6940.0 102 6805. 5978 5502 123 APR-JUL 7080.0 121 8070.0 138 6080.0 104 5851. 5081 5502 123 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 240.0 96 260.0 104 220.0 88 249. 191 258 91 APR-JUL 205.0 111 225.0 122 185.0 101 184. 130 258 91 TROY, OR (1) MAR-JUL 1620.0 103 2010.0 127 1220.0 77 1578. 1410 1614 95 APR-JUL 1410.0 111 1810.0 142 1020.0 80 1274. 1032 1614 95 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4820.0 104 5870.0 126 3760.0 81 4645. 4382 4264 98 SPALDING, ID (1) JAN-JUL 9880.0 102 11300.0 117 8420.0 87 9683. 9879 7830 100 APR-JUL 7970.0 107 9430.0 127 6510.0 88 7435. 6870 7830 100 APR-SEP 8400.0 107 9860.0 126 6940.0 88 7849. 7159 7830 100 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3670.0 103 4110.0 116 3240.0 91 3547. 3564 3124 103 APR-JUL 2840.0 107 3270.0 124 2400.0 91 2644. 2300 3124 103 APR-SEP 3010.0 107 3440.0 123 2580.0 92 2803. 2399 3124 103 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 67.0 126 75.0 142 59.0 111 53. 48 102 107 UMATILLA RIVER GIBBON NR, OR APR-JUL 81.0 111 90.0 123 71.0 97 73. 66 141 93 PENDLETON, OR APR-JUL 163.0 109 179.0 120 147.0 99 149. 111 331 94 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 199.0 124 215.0 134 181.0 113 160. 0 APR-JUL 154.0 125 172.0 140 136.0 111 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 755.0 126 840.0 141 670.0 112 597. 471 1092 120 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 1260.0 109 1540.0 134 970.0 84 1153. 842 1569 116 APR-SEP 1060.0 123 1340.0 155 770.0 89 865. 636 1569 116 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 540.0 102 565.0 107 515.0 98 528. 0 475 72 Jun-06 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 315.0 171 325.0 177 300.0 163 184. 68 438 168 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 60.0 167 64.0 178 56.0 156 36. 17 WESTSIDE AND SOUTHERN OREGON BASINS Jun-06 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 5650.0 89 6780.0 107 4510.0 71 6365. 4616 7074 101 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3440.0 107 4230.0 131 2650.0 82 3217. 3163 3723 101 APR-JUL 1650.0 98 2440.0 144 860.0 51 1689. 1284 3723 101 APR-SEP 1880.0 98 2670.0 139 1090.0 57 1922. 1464 3723 101 CASTLE ROCK, WA APR-SEP 2540.0 96 3620.0 137 1450.0 55 2639. 1930 5716 101 JAN-JUL 5130.0 109 6220.0 132 4050.0 86 4709. 4567 5716 101 LEWIS RIVER ARIEL, WA JAN-JUL 2570.0 109 2680.0 114 2460.0 105 2351. 2532 3007 98 MCKENZIE RIVER VIDA NR, OR APR-SEP 1100.0 92 1180.0 98 1020.0 85 1201. 968 2564 105 S. SANTIAM RIVER WATERLOO, OR APR-SEP 535.0 91 645.0 110 425.0 72 587. 509 2209 107 N. SANTIAM RIVER MEHAMA, OR APR-SEP 770.0 92 900.0 108 645.0 77 834. 727 2325 106 WILLAMETTE RIVER SALEM, OR APR-SEP 4040.0 84 4630.0 96 3450.0 72 4804. 4281 17260 110 CLACKAMAS RIVER ESTACADA, OR APR-SEP 700.0 94 785.0 105 610.0 82 748. 0 1819 103 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 151.0 100 172.0 114 130.0 86 151. 129 163 84 JAN-JUL 184.0 102 205.0 113 163.0 90 181. 159 163 84 ROGUE RIVER RAYGOLD, OR APR-SEP 1030.0 116 1090.0 123 965.0 109 889. 786 2396 130 JAN-JUL 2050.0 129 2120.0 134 1990.0 126 1584. 1369 2396 130 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 130.0 146 152.0 171 107.0 120 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 200.0 155 250.0 194 157.0 122 129. 31 225 157 APR-SEP 175.0 177 220.0 222 130.0 131 99. 27 225 157 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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