DWORSHAK APRIL-JULY INFLOW FORECAST
                      as of  1342 7 jun 1999
                DATA START DATE =  0400 1 oct 1998
                   OCT  NOV  DEC  JAN  FEB  MAR  APR  MAY  JUN
ELBI ELK BUTTE     0.0  0.2  7.9 21.5 33.2 53.4 58.0 49.8 30.2
HEMI HEMLOCK       0.0  0.5 12.5 27.1 39.2 57.2 64.2 60.4 43.6
HOOM HOODOO BASIN  0.0  3.2  7.8 26.9 39.2 56.0 61.3 63.0 49.1
PIRI PIERCE RG S   0.0  0.0  0.0  5.0  8.0 10.8
SHAI SHANGHI SUM   0.0  0.0  5.3 15.1 23.5 33.5 37.1 30.6
LSLI LOST LAKE     0.0  0.5 15.6 31.7 47.0 67.5 77.2 73.0 58.5
EKRI ELK RIVER 1S  0.0  0.0  0.0  6.7
DWR AVERAGE KAF     63   64  158  211  289  230  535  615
ASOI July-Aug SOI  2.3  2.3  2.3  2.3  2.3  2.3  2.3  2.3
SSOI July-Sep SOI  3.5  3.5  3.5  3.5  3.5  3.5  3.5  3.5
OSOI July-Oct SOI  4.5  4.5  4.5  4.5  4.5  4.5  4.5  4.5
NSOI July-Nov SOI       5.6  5.6  5.6  5.6  5.6  5.6  5.6
DSOI July-Dec SOI            7.0  7.0  7.0  7.0  7.0  7.0
DWORSHAK FC SPACE                1148 1568 2016 2016 2016
DWORSHAK FC ELEV                 1526 1492 1445 1445 1445
DWORSHAK FOM ELEV 1519 1518 1524 1533 1521 1489 1457 1453 1505
 
ELBI = ELK BUTTE ACCUMULATED SWE IN INCHES (snotel) elev 5550
HEMI = HEMLOCK ACCUMULATED SWE IN INCHES (snotel) elev 5810
HOOM = HOODOO BASIN ACCUMULATED SWE IN INCHES (snotel) elev 6050
PIRI = PIERCE RANGER STATION ACCUMULATED SWE IN INCHES (snow course)
LSLI = LOST LAKE ACCUMULATED SWE IN INCHES (snotel) elev 6110
EKRI = ELK RIVER 1S ACCUMULATED MONTHLY PRECIP IN INCHES elev 2910
DWRI = MONTHLY DWORSHAK INFLOW (KAF)
JD = JANUARY DWORSHAK INFLOW (KAF)
FD = FEBRUARY DWORSHAK INFLOW (KAF)
MD = MARCH DWORSHAK INFLOW (KAF)
AD = APRIL DWORSHAK INFLOW (KAF)
 
FORECAST EQUATIONS:
01OCT=276.4*ASOI+2690
01NOV=191.5*SSOI+2667
01DEC=144.2*OSOI+2687
01JAN=12.7*ELBI+15.3*HEMI+13.3*HOOM+63.3*PIRI+89.7*NSOI+17.1*EKRI+1539
01FEB=18.6*ELBI+15.6*HEMI+18.5*HOOM+44.1*PIRI+20.3*DSOI+.8*JD+540
01MAR=14.2*ELBI+14.7*HEMI+15.5*HOOM+33.4*PIRI+21.8*DSOI+.9*JD+.2*FD+369
01APR=15.1*ELBI+15.4*HEMI+14.6*HOOM+15.9*SHAI+22.6*DSOI+.8*JD+.3*FD+.3*MD-168
01MAY=14.1*ELBI+12.3*HEMI+12.6*HOOM+13.9*SHAI+.3*AD-201
01JUN=8.2*ELBI+7.3*HEMI+8.4*HOOM+5.7*LSLI+183
 
April-July Average inflow 2700 KAF
                         % Chance that OBSERVED will be > than given value
                                    1%   5%   20%  50%  80%  95%  99%
01Oct April-July Forecast 3326 KAF 5032 4527 3941 3326 2711 2125 1619
01Nov April-July Forecast 3337 KAF 4964 4482 3924 3337 2751 2193 1711
01Dec April-July Forecast 3336 KAF 4991 4501 3933 3336 2739 2171 1681
01Jan April-July Forecast 3520 KAF 4840 4449 3995 3520 3044 2590 2199
01Feb April-July Forecast 3220 KAF 4203 3912 3574 3220 2866 2528 2237
01Mar April-July Forecast 3641 KAF 4469 4224 3939 3641 3343 3058 2813
01Apr April-July Forecast 3800 KAF 4389 4214 4012 3800 3588 3386 3211
01May April-July Forecast 3262 KAF 3823 3657 3464 3262 3060 2867 2701
01Jun April-July Forecast 3143 KAF 3480 3380 3264 3143 3022 2906 2806
 
 
The given forecast values are to be considered the Corps of Engineers
Official Forecast for Dworshak.