LIBBY PROJECT INFLOW FORECAST,  1998
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        FORECAST DATE          1 Jan
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       FORECAST'S  KAF
 Apr-Aug runoff, Fort Steele    3198
 Apr-Aug runoff, Libby Local    2343
                               -----
 Apr-Aug runoff, Libby inflow   5541
 Apr-Aug norm, 6376.8, 1961-19  86.9%
               Apr-Jul runoff   5021
               May-Jul runoff   4606
               Jan-Jul runoff   5641
              Date-Jul runoff   5641
 Date-Jul standard error        1069
  Date-Jul confidence limit, 1  1759
  Date-Jul 95% confidence       3883
  Date-Jul 5% confidence        7400
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   FLOOD CONTROL, DRAFT BY:    31 Jan 28 Feb 15 Mar
  required draft, KAF           2292   2494   2561
  required elevation, FT       2402.7 2396.5 2394.4
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  FORECAST COMPONENT SUMMARY     FRO     WP  WP+NS  SWE SWE+NSNSSPW   INT TOTAL
FORT STEELE, B.C., (FS)         1.807  32.86  70.73 36.7  99.4 29.20
inches=(fro(1.309)+wp(0.068)+swe(0.067)+sp(0.167))-5.114
          inches                2.365         4.810      6.659 4.876-5.11413.596
             inches*235.2=kaf ............................................ 3198
LIBBY LOCAL, (LL)               1.443  24.79  60.53 22.7  73.0 25.62
inches=(fro(0.921)+wp(0.086)+swe(0.046)+sp(0.152))-4.183
          inches                1.329         5.206      3.356 3.894-4.183 9.602
             inches*244.0=kaf ............................................ 2343
       TERM  DEFINITION
fall runoff is FRO
winter precip is WP
normal subsequent is NS
snow water equivelant is SWE
normal subsequent spring precip(weighted) is NSSPW
equation constant, or, y-INTERCEPT is INT
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OBSERVED DATA, usage, FS=Fort Steele, LL=Libby Local
  WINTER PRECIP(WP), inches      Oct    Nov    Dec
Banff               FS           0.50   0.19   1.27
Brisco              FS           1.23   0.67   0.33
Fernie                   LL      6.53   1.56   1.70
Kaslo               FS           4.89   2.02   0.94
Rogers Pass         FS           7.30   6.35   7.17
Fortine                  LL      1.13   0.60   0.41
Libby RS                 LL      2.39   1.28   0.85
Bonners Ferry            LL      2.77   0.89   0.82
Polebridge               LL      2.11   0.90   0.85
SNOW WATER EQUILVENT(SWE), inches            31 DEC
Glacier             FS                         12.6
Kicking Horse       FS                          4.5
Kimberly                 LL                     0.6
Marble Canyon       FS                          5.0
Mirror Lake         FS                          3.7
Morrissey Ridge     FS & LL*.5                  7.8
New Fernie          FS & LL                     2.0
Sullivan Mine       FS & LL                     1.1
Red Mtn.                 LL                     5.3
Weisel Divide            LL                     9.7
    FALL RUNOFF(FRO), kaf       Oct    Nov    SUM
Fort Steele         f=235.2      283    142    425
Libby local         f=244.0      199    153    352
f=, is to convert from basin inches to acre feet(x), or acre feet to basin inches(/).
      LIBBY INFLOW, kaf         Oct    Nov    Dec
                                 482    295    232
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