ROCK ISLAND DAM BLO, WA (1)     (RISW1)
Water Year  2009,   Forecast Period  Jan -- Jul

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Latest Forecast:        59800  87% (avg) (Mar Final)
Obs Fcst Period:         4608  8% (fcst)
Difference:            -55192
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1971-2000 Forecast Period: Mean 68910  Max  100200  Min  39330
Units: Kaf

         Month  Obs    Month      Year   Acc Accumulated Fcst Period      Final   Fcst Period
Month  Observed  %    Normal Accumulated  %      Normals Accumulated    Forecast  Acc Normals
-----  -------- --- -------- ----------- --- ----------- ----------- -----------  -----------
 Oct       2727  94     2909        2727  94        2909
 Nov       3328 105     3165        6055 100        6074
 Dec       2185  75     2909        8240  92        8983
 Jan       2815 101     2790       11055  94       11773        2815       63900        2790
 Feb       1793  62     2886       12848  88       14659        4608       62600        5676
 Mar                    4212                       18871        4608       59800        9888
 Apr                    7965                       26836                               17853
 May                   18099                       44935                               35952
 Jun                   20267                       65202                               56219
 Jul                   12690                       77892                               68909
 Aug                    6726                       84618
 Sep                    3795                       88413