042
FGUS66 KPTR 202049
ESPPTR
WATER SUPPLY FORECASTS
NORTHWEST RIVER FORECAST CENTER
TUESDAY DECEMBER 20, 2011 AT 20:24 GMT
OBSERVED PRECIPITATION THROUGH THE 19TH
FUTURE PRECIP ASSUMED TO BE NORMAL
NO SNOW INCLUDED
UPPER COLUMBIA BASINS
DEC-11 MID MONTH
________________FORECAST______________ __________RUNOFF___________
STREAM AND STATION PROBABLE % MAXIMUM % MINIMUM % AVERAGE PREVYR CURYR %
COLUMBIA RIVER
MICA RESERVOIR INFLOW, BC JAN-JUL 8960.0 93 11500.0 120 6370.0 66 9619. 8011
FEB-JUL 8730.0 93 11300.0 121 6140.0 66 9372. 7747
APR-SEP 11600.0 93 14200.0 114 9050.0 72 12500. 10320
REVELSTOKE, BC JAN-JUL 13100.0 94 15300.0 110 10900.0 79 13880. 11770
ARROW LAKES INFLOW JAN-JUL 18200.0 87 21300.0 102 15100.0 72 20960. 16700
FEB-JUL 17600.0 87 20700.0 102 14400.0 71 20230. 16100
APR-SEP 21800.0 87 24900.0 99 18700.0 74 25110. 20070
BIRCHBANK, BC (1) JAN-JUL 33900.0 87 44300.0 114 23500.0 60 38930. 30850
APR-SEP 37900.0 87 48300.0 111 27500.0 63 43500. 35110
GRAND COULEE, WA (1) JAN-JUL 53900.0 86 72100.0 115 35800.0 57 62900. 48550
APR-SEP 54800.0 86 73000.0 114 36700.0 57 63990. 51430
ROCK ISLAND DAM BLO, WA (1) JAN-JUL 59900.0 87 80200.0 116 39500.0 57 68910. 54410
APR-SEP 60400.0 87 80800.0 116 40000.0 58 69540. 57160
THE DALLES NR, OR (1) JAN-JUL 86100.0 80 116000.0 108 56300.0 52 107300. 84720
APR-AUG 74700.0 80 104000.0 112 44900.0 48 93090. 77410
APR-SEP 79200.0 80 109000.0 110 49400.0 50 98650. 82990
KOOTENAI RIVER
LIBBY RES INFLOW, MT (1) JAN-JUL 5880.0 93 8100.0 128 3670.0 58 6306. 4534
APR-AUG 5830.0 93 8050.0 129 3610.0 58 6248. 4517
APR-SEP 6190.0 93 8410.0 127 3970.0 60 6638. 4959
LEONIA, ID (1) APR-JUL 6460.0 92 9180.0 130 3730.0 53 7041. 5035
APR-SEP 7450.0 92 10200.0 126 4730.0 58 8125. 6027
BONNERS FERRY, ID APR-JUL 6940.0 91 9190.0 121 4660.0 61 7619. 5420
KOOTENAY RIVER
KOOTENAY LAKE INFLOW, BC JAN-JUL 14000.0 87 18200.0 114 9880.0 62 16010. 11810
APR-SEP 14400.0 88 18700.0 114 10200.0 62 16450. 12620
DUNCAN RIVER
DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1690.0 94 2140.0 119 1250.0 69 1800. 1489
FEB-JUL 1640.0 94 2090.0 120 1200.0 69 1746. 1438
APR-SEP 2100.0 94 2540.0 114 1650.0 74 2227. 1821
CLARK FORK
BLACKFOOT RIVER ABV, MT APR-SEP 595.0 85 995.0 141 198.0 28 704. 654
MISSOULA ABV, MT APR-SEP 1340.0 84 2090.0 131 590.0 37 1595. 1274
MISSOULA BLO, MT APR-SEP 2470.0 83 3730.0 126 1200.0 41 2962. 2236
ST. REGIS, MT (1) APR-SEP 3420.0 88 5470.0 140 1370.0 35 3907. 2832
PLAINS NR, MT (1) APR-SEP 9340.0 84 14100.0 127 4530.0 41 11060. 8623
WHITEHORSE RAPIDS, ID (1) APR-SEP 10400.0 83 15800.0 127 4990.0 40 12460. 9645
BLACKFOOT RIVER
BONNER NR, MT APR-SEP 740.0 83 1100.0 123 385.0 43 892. 620
BITTERROOT RIVER
AT MOUTH, MT APR-SEP 1130.0 83 1680.0 123 570.0 42 1364. 937
DEC-11 MID MONTH
________________FORECAST______________ __________RUNOFF___________
STREAM AND STATION PROBABLE % MAXIMUM % MINIMUM % AVERAGE PREVYR CURYR %
N.F. FLATHEAD RIVE
COLUMBIA FALLS NR, MT APR-SEP 1540.0 86 2010.0 112 1080.0 60 1801. 1519
M.F. FLATHEAD RIVE
WEST GLACIER NR, MT APR-SEP 1460.0 84 1900.0 109 1020.0 59 1740. 1459
S.F. FLATHEAD RIVE
HUNGRY HORSE RES IN, MT (1) JAN-JUL 1850.0 83 2670.0 120 1040.0 47 2224. 1828
APR-SEP 1770.0 83 2590.0 122 955.0 45 2124. 1843
UPPER/MIDDLE COLUMBIA BASINS
DEC-11 MID MONTH
________________FORECAST______________ __________RUNOFF___________
STREAM AND STATION PROBABLE % MAXIMUM % MINIMUM % AVERAGE PREVYR CURYR %
FLATHEAD RIVER
COLUMBIA FALLS, MT APR-SEP 4880.0 84 6590.0 113 3180.0 55 5825. 4969
FLATHEAD LAKE INFLOW, MT (1) APR-SEP 5680.0 85 8370.0 125 3000.0 45 6713. 6041
PRIEST RIVER
PRIEST RIVER, ID (1) APR-JUL 685.0 84 1010.0 124 355.0 44 814. 752
PEND OREILLE RIVER
PEND OREILLE LAKE IN, ID (1) APR-SEP 11600.0 83 17500.0 126 5700.0 41 13910. 11470
APR-JUL 10600.0 83 16500.0 130 4760.0 37 12740. 10250
BOX CANYON BLO, WA (1) APR-SEP 11800.0 84 16900.0 120 6760.0 48 14090. 11630
KETTLE RIVER
LAURIER NR, WA APR-SEP 1560.0 79 2080.0 105 1040.0 53 1972. 1693
COEUR D'ALENE RIVE
ENAVILLE, ID (1) APR-SEP 695.0 89 980.0 126 410.0 53 778. 692
APR-JUL 660.0 89 945.0 128 370.0 50 739. 651
COEUR D'ALENE LAKE IN, ID APR-JUL 2270.0 89 3380.0 132 1160.0 45 2552. 2054
SPOKANE RIVER
SPOKANE, WA (1) APR-SEP 2610.0 95 2790.0 102 2420.0 88 2744. 2163
ST JOE RIVER
CALDER, ID APR-SEP 1100.0 91 1510.0 125 690.0 57 1205. 883
APR-JUL 1040.0 92 1450.0 128 635.0 56 1136. 817
OKANAGAN RIVER
TONASKET NR, WA (1) APR-SEP 1440.0 82 2400.0 136 490.0 28 1766. 1528
SIMILKAMEEN RIVER
NIGHTHAWK NR, WA (1) APR-JUL 1200.0 89 1970.0 146 425.0 31 1350. 1222
APR-SEP 1290.0 89 2060.0 142 515.0 36 1450. 1312
METHOW RIVER
PATEROS NR, WA (1) APR-SEP 840.0 85 1350.0 137 325.0 33 985. 1113
CHELAN RIVER
LAKE CHELAN INFLOW, WA (1) APR-SEP 1030.0 87 1230.0 104 835.0 70 1185. 1201
WENATCHEE RIVER
PESHASTIN, WA APR-SEP 1430.0 87 2050.0 125 810.0 50 1635. 1485
YAKIMA AND MAINSTEM SNAKE BASINS
DEC-11 MID MONTH
________________FORECAST______________ __________RUNOFF___________
STREAM AND STATION PROBABLE % MAXIMUM % MINIMUM % AVERAGE PREVYR CURYR %
YAKIMA RIVER
KEECHELUS LAKE IN, WA (1) APR-SEP 128.0 96 179.0 135 76.0 57 133. 127
CLE ELUM, WA APR-SEP 830.0 92 1140.0 126 515.0 57 903. 830
PARKER NR, WA APR-SEP 1740.0 91 2380.0 124 1100.0 57 1918. 1977
KACHESS RIVER
KACHESS LAKE INFLOW, WA (1) APR-SEP 106.0 88 156.0 130 57.0 48 120. 108
CLE ELUM RIVER
CLE ELUM LAKE INFLOW, WA (1) APR-SEP 415.0 93 565.0 126 265.0 59 448. 426
NACHES RIVER
NACHES NR, WA APR-SEP 725.0 87 995.0 119 455.0 54 837. 926
BUMPING RIVER
BUMPING LAKE INFLOW, WA (1) APR-SEP 132.0 99 184.0 137 80.0 60 134. 128
TIETON RIVER
RIMROCK LAKE INFLOW, WA (1) APR-SEP 205.0 85 275.0 114 132.0 55 242. 232
AHTANUM CREEKS
TAMPICO NR, WA APR-SEP 32.0 70 53.0 115 11.1 24 46. 0
SNAKE RIVER
JACKSON LAKE INFLOW, WY (1) APR-JUL 675.0 83 910.0 112 435.0 53 815. 628
APR-SEP 750.0 83 985.0 109 515.0 57 904. 681
PALISADES RES INFLOW, ID (1) APR-JUL 2810.0 84 3880.0 116 1730.0 52 3331. 2446
APR-SEP 3270.0 84 4350.0 112 2190.0 57 3875. 2890
HEISE NR, ID APR-JUL 2980.0 84 4160.0 117 1800.0 51 3561. 2595
APR-SEP 3480.0 84 4660.0 112 2290.0 55 4159. 3099
SHELLEY NR, ID (1) APR-JUL 3790.0 86 5150.0 116 2430.0 55 4428. 3209
APR-SEP 4560.0 86 5920.0 111 3200.0 60 5324. 3823
BLACKFOOT NR, ID (1) APR-JUL 3820.0 83 5230.0 114 2400.0 52 4604. 0
AMER. FALLS RES IN, ID (1) APR-JUL 2240.0 69 3970.0 122 520.0 16 3242. 1562
MILNER, ID APR-JUL 205.0 17 1040.0 85 150.0 12 1228. 254
KING HILL, ID (1) APR-JUL 1700.0 56 3080.0 101 315.0 10 3045. 1891
MURPHY NR, ID (1) APR-JUL 1870.0 60 3270.0 106 475.0 15 3092. 1787
WEISER, ID (1) JAN-JUL 4890.0 50 8010.0 82 1780.0 18 9793. 6342
APR-JUL 2880.0 50 6000.0 104 0.0 0 5765. 4009
APR-SEP 4260.0 59 7380.0 103 1150.0 16 7192. 5159
BROWNLEE RES INFLOW APR-JUL 3210.0 51 6470.0 102 0.0 0 6313. 4586
APR-SEP 4590.0 59 7850.0 101 1330.0 17 7801. 5786
HELLS CANYON, ID (1) APR-JUL 3270.0 50 6680.0 103 0.0 0 6493. 4843
APR-SEP 4660.0 58 8080.0 101 1250.0 16 7977. 6044
LOWER GRANITE RES IN, WA (1) JAN-JUL 21900.0 73 32800.0 109 11000.0 37 30020. 22460
FEB-SEP 22200.0 73 33000.0 109 11300.0 37 30370. 23320
APR-JUL 15700.0 73 26600.0 123 4860.0 23 21550. 17870
APR-SEP 17600.0 73 28500.0 118 6750.0 28 24140. 20220
UPPER SNAKE BASINS
DEC-11 MID MONTH
________________FORECAST______________ __________RUNOFF___________
STREAM AND STATION PROBABLE % MAXIMUM % MINIMUM % AVERAGE PREVYR CURYR %
GREY'S RIVER
PALISADES ABV, WY APR-SEP 330.0 84 470.0 119 186.0 47 394. 320
SALT RIVER
ETNA NR, WY APR-JUL 275.0 80 450.0 132 101.0 30 342. 260
HENRYS FORK
ASHTON NR, ID APR-JUL 455.0 80 595.0 104 315.0 55 571. 403
ST. ANTHONY, ID APR-JUL 545.0 74 805.0 110 280.0 38 734. 514
REXBURG NR, ID APR-JUL 945.0 61 1360.0 87 525.0 34 1559. 590
FALLS RIVER
SQUIRREL NR, ID (1) APR-JUL 310.0 80 395.0 102 225.0 58 386. 219
TETON RIVER
ST. ANTHONY NR, ID APR-JUL 295.0 73 455.0 113 136.0 34 403. 366
BIG LOST RIVER
MACKAY RESERVOIR INFLOW, ID APR-JUL 107.0 75 205.0 144 10.6 7 142. 110
WILLOW CREEK
RIRIE RESERVOIR INFLOW APR-JUL 83.0 97 133.0 155 32.0 37 86. 38
PORTNEUF RIVER
TOPAZ, ID APR-SEP 85.0 89 119.0 125 52.0 55 95. 73
GOOSE CREEK
OAKLEY RES INFLOW, ID APR-JUL 12.5 43 33.0 114 0.0 0 29. 0
BIG WOOD RIVER
HAILEY, ID (1) APR-JUL 170.0 66 325.0 127 15.7 6 256. 195
MAGIC RESERVOIR INFLOW, ID APR-JUL 152.0 52 405.0 139 0.0 0 291. 159
LITTLE WOOD RIVER
CAREY NR, ID APR-JUL 57.0 66 128.0 147 0.0 0 87. 55
MIDDLE SNAKE BASINS
DEC-11 MID MONTH
________________FORECAST______________ __________RUNOFF___________
STREAM AND STATION PROBABLE % MAXIMUM % MINIMUM % AVERAGE PREVYR CURYR %
BRUNEAU RIVER
HOT SPRING NR, ID APR-JUL 197.0 95 320.0 154 75.0 36 208. 176
OWYHEE RIVER
OWYHEE RES INFLOW, OR MAR-JUL 340.0 55 835.0 136 0.0 0 613. 364
OWYHEE RES OUTFLOW APR-JUL 36.0 17 505.0 233 2.4 217. 44
BOISE RIVER
TWIN SPRINGS NR, ID (1) APR-JUL 495.0 78 685.0 108 305.0 48 636. 619
BOISE NR, ID (1) APR-JUL 1030.0 73 1640.0 116 430.0 30 1414. 1128
PARMA NR, ID APR-JUL 126.0 21 590.0 99 46.0 8 593. 365
S.F. BOISE RIVER
ANDERSON RNCH RES IN, ID (1) APR-JUL 380.0 70 525.0 97 235.0 43 542. 400
MALHEUR RIVER
DREWSEY NR, OR MAR-JUL 56.0 51 121.0 110 0.0 0 110. 98
N.F. MALHEUR RIVER
BEULAH RES INFLOW, OR (1) MAR-JUL 43.0 53 82.0 101 4.9 6 81. 72
PAYETTE RIVER
HORSESHOE BEND NR, ID (1) APR-JUL 1120.0 69 1810.0 112 425.0 26 1617. 1437
EMMETT NR, ID APR-JUL 765.0 61 1510.0 121 250.0 20 1246. 1170
DEADWOOD RIVER
DEADWOOD RES INFLOW, ID (1) APR-JUL 103.0 77 155.0 116 51.0 38 134. 117
N.F. PAYETTE RIVER
CASCADE RES INFLOW, ID (1) APR-JUL 355.0 72 555.0 112 152.0 31 495. 482
WEISER RIVER
WEISER NR, ID (1) APR-JUL 235.0 60 480.0 123 0.0 0 391. 424
BURNT RIVER
HEREFORD NR, OR MAR-JUL 30.0 59 55.0 108 3.9 8 51. 30
LOWER SNAKE AND CENTRAL OREGON BASINS
DEC-11 MID MONTH
________________FORECAST______________ __________RUNOFF___________
STREAM AND STATION PROBABLE % MAXIMUM % MINIMUM % AVERAGE PREVYR CURYR %
POWDER RIVER
SUMPTER NR, OR MAR-JUL 48.0 69 75.0 107 22.0 31 70. 58
IMNAHA RIVER
IMNAHA, OR MAR-JUL 240.0 80 345.0 115 137.0 46 301. 306
SALMON RIVER
SALMON, ID (1) APR-JUL 675.0 79 1120.0 131 235.0 27 857. 837
WHITEBIRD, ID (1) JAN-JUL 5820.0 86 8170.0 120 3470.0 51 6805. 6032
APR-JUL 5000.0 85 7350.0 126 2650.0 45 5851. 5344
GRANDE RONDE RIVER
LA GRANDE, OR MAR-JUL 146.0 59 230.0 92 62.0 25 249. 251
APR-JUL 108.0 59 192.0 104 24.0 13 184. 227
TROY, OR (1) MAR-JUL 1160.0 74 1900.0 120 415.0 26 1578. 1404
APR-JUL 935.0 73 1680.0 132 193.0 15 1274. 1300
CLEARWATER RIVER
OROFINO, ID (1) APR-JUL 3760.0 81 5960.0 128 1550.0 33 4645. 3837
SPALDING, ID (1) JAN-JUL 8030.0 83 11800.0 122 4290.0 44 9683. 6936
APR-JUL 6160.0 83 9900.0 133 2420.0 33 7435. 5982
APR-SEP 6510.0 83 10200.0 130 2770.0 35 7849. 6390
N.F. CLEARWATER RI
DWORSHAK RES INFLOW, ID (1) JAN-JUL 2900.0 82 4150.0 117 1650.0 47 3547. 2306
APR-JUL 2160.0 82 3410.0 129 915.0 35 2644. 1906
APR-SEP 2290.0 82 3540.0 126 1040.0 37 2803. 2037
S.F. WALLA WALLA R
MILTON NR, OR APR-JUL 22.0 42 40.0 75 3.4 6 53. 62
UMATILLA RIVER
GIBBON NR, OR APR-JUL 50.0 68 85.0 116 14.9 20 73. 86
PENDLETON, OR APR-JUL 96.0 64 175.0 117 17.4 12 149. 198
M.F. JOHN DAY RIVE
RITTER, OR (1) MAR-JUL 119.0 74 176.0 110 63.0 39 160. 0
APR-JUL 92.0 75 149.0 121 36.0 29 123. 0
N.F. JOHN DAY RIVE
MONUMENT NR, OR APR-JUL 440.0 74 725.0 121 159.0 27 597. 627
JOHN DAY RIVER
SERVICE CREEK, OR (1) MAR-SEP 920.0 80 1430.0 124 405.0 35 1153. 990
APR-SEP 690.0 80 1200.0 139 173.0 20 865. 889
DESCHUTES RIVER
BENHAM FALLS, OR APR-SEP 420.0 80 500.0 95 340.0 64 528. 437
DEC-11 MID MONTH
________________FORECAST______________ __________RUNOFF___________
STREAM AND STATION PROBABLE % MAXIMUM % MINIMUM % AVERAGE PREVYR CURYR %
CROOKED RIVER
PRINEVILLE RES INFLOW, OR MAR-JUL 92.0 50 191.0 104 0.0 0 184. 171
OCHOCO CREEK
OCHOCO RES INFLOW, OR MAR-JUL 14.0 39 33.0 92 0.0 0 36. 32
WESTSIDE AND SOUTHERN OREGON BASINS
DEC-11 MID MONTH
________________FORECAST______________ __________RUNOFF___________
STREAM AND STATION PROBABLE % MAXIMUM % MINIMUM % AVERAGE PREVYR CURYR %
SKAGIT RIVER
CONCRETE NR, WA APR-SEP 6140.0 96 8110.0 127 4160.0 65 6365. 5685
COWLITZ RIVER
MAYFIELD RES INFLOW, WA JAN-JUL 2700.0 84 4070.0 127 1330.0 41 3217. 3010
APR-JUL 1420.0 84 2790.0 165 54.0 3 1689. 1873
APR-SEP 1620.0 84 2990.0 156 245.0 13 1922. 2139
CASTLE ROCK, WA APR-SEP 2210.0 84 4110.0 156 315.0 12 2639. 3007
JAN-JUL 3950.0 84 5850.0 124 2050.0 44 4709. 4396
LEWIS RIVER
ARIEL, WA JAN-JUL 2420.0 103 2840.0 121 2000.0 85 2351. 2215
MCKENZIE RIVER
VIDA NR, OR APR-SEP 1030.0 86 1320.0 110 735.0 61 1201. 1410
S. SANTIAM RIVER
WATERLOO, OR APR-SEP 560.0 95 830.0 141 290.0 49 587. 873
N. SANTIAM RIVER
MEHAMA, OR APR-SEP 860.0 103 1150.0 138 565.0 68 834. 1114
WILLAMETTE RIVER
SALEM, OR APR-SEP 4860.0 101 6520.0 136 3200.0 67 4804. 6762
CLACKAMAS RIVER
ESTACADA, OR APR-SEP 785.0 105 1020.0 136 550.0 74 748. 904
N. UMPQUA RIVER
LEMOLO LAKE INFLOW, OR (1) APR-SEP 148.0 98 197.0 130 100.0 66 151. 124
JAN-JUL 176.0 97 225.0 124 127.0 70 181. 144
ROGUE RIVER
RAYGOLD, OR APR-SEP 795.0 89 1120.0 126 470.0 53 889. 808
JAN-JUL 1420.0 90 1750.0 110 1090.0 69 1584. 1061
CHEWAUCAN RIVER
PAISLEY NR, OR MAR-JUL 38.0 43 83.0 93 0.0 0 89. 16
SILVIES RIVER
BURNS NR, OR MAR-JUL 71.0 55 158.0 122 0.0 0 129. 80
APR-SEP 55.0 56 142.0 143 0.0 0 99. 70
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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