                                                LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS
                         U8-R       SAN GABRIEL RIVER BELOW MORRIS DAM                               RATING NO.
                                         MEAN DAILY DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR 1990

   DAY      OCT        NOV        DEC        JAN        FEB        MAR        APR        MAY        JUN        JUL        AUG        SEP
 ------------------------------------------------------------------------------------------------------------------------------------------
    1       42.4        2.9       53.0        2.5      145.0        3.1      149.0        2.7        2.3         .3         .1      143.0
    2       43.1        2.7       52.3        2.9      143.0       62.1      151.0        2.5        2.1         .4       64.5      143.0
    3      118.0        2.5       51.3        2.7      144.0      157.0      151.0        2.5        2.1         .3      142.0      143.0
    4      166.0        2.3      108.0        2.7      141.0      157.0      152.0        2.5        2.1         .4      138.0      114.0
    5      142.0        2.3       87.9        2.6      141.0      157.0      152.0        2.6        2.2         .4      136.0       94.3

 ------------------------------------------------------------------------------------------------------------------------------------------
   6       128.0        2.1       22.6        2.7      142.0      158.0      151.0        2.5        2.0         .3      136.0       94.4
   7       128.0        2.1       22.6        2.7      142.0      158.0      151.0        2.5        2.0         .3      136.0       94.4
   8       127.0        2.0       52.3        2.9      142.0      156.0      151.0        2.4        1.9         .6      140.0       94.4
   9       127.0        2.0       52.3        2.8      142.0      157.0      151.0        2.4        2.0         .6      142.0       93.0
   10      129.0        1.8       52.3        3.0      142.0      155.0      152.0        2.5        2.0         .6      142.0       92.9

 ------------------------------------------------------------------------------------------------------------------------------------------
   11       87.5        1.8       52.3        2.9      142.0      155.0      152.0        2.3        2.1         .4      142.0       92.9
   12        2.3        1.8       52.3        2.5      142.0       67.3      151.0        2.3        2.2         .2      142.0       92.9
   13        1.8        2.1       52.3        3.1      142.0        3.7      151.0        2.2        2.3         .1      142.0       92.9
   14        1.8        2.3       51.3        3.7      142.0       93.7      151.0        2.2        2.3         .1      142.0       93.5
   15        1.8        2.3       51.3        2.7      142.0      156.0      151.0        2.5        2.3         .1      141.0       93.2

 ------------------------------------------------------------------------------------------------------------------------------------------
   16        1.8        2.4       51.3        2.9      143.0      156.0      153.0        2.7        2.3         .1      140.0       92.9
   17        1.8        2.4       51.3        3.7       72.2      154.0      155.0        2.9        2.3         .1      140.0       93.0
   18        1.8        2.5       50.3        3.2        6.4      155.0      153.0        2.7        2.3         .1      140.0       92.3
   19        1.8        2.6       51.5        3.5        4.9      153.0      153.0        2.5        2.3         .1      140.0       92.9
   20        1.7        2.6       52.3        3.5       67.9      148.0      153.0        2.5         .8         .1      140.0      126.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   21        1.8        2.6       49.3        3.7      149.0      149.0      154.0        2.6         .5         .1      140.0      144.0
   22        1.9        2.5       39.2        4.2      152.0      149.0      155.0        2.5         .5         .1      141.0      142.0
   23        1.9        2.9       17.0        4.4      157.0      149.0      155.0        2.5         .4         .1      120.0      144.0
   24        1.8        2.9        3.1        4.8      157.0      149.0      155.0        2.3         .3         .1      130.0      144.0
   25        2.0        3.0        2.9       63.5       69.3      150.0      155.0        2.5         .3         .1      141.0      145.0

 ------------------------------------------------------------------------------------------------------------------------------------------
   26        2.0        3.8        2.8      144.0        6.8      151.0      156.0        2.4         .9         .1      144.0      145.0
   27        2.0        3.1        2.7      144.0        6.2      151.0      158.0        2.3        1.9         .1      142.0      145.0
   28        1.8        3.0        2.7      144.0        6.2      151.0      160.0        4.0         .6         .1      143.0      145.0
   29        1.8       22.9        2.5      144.0         .0      151.0      158.0        2.7         .4         .1      144.0      145.0
   30        2.0       51.4        2.5      144.0         .0      149.0       79.5        2.4         .3         .1      144.0      145.0
   31        2.0         .0        2.7      145.0         .0      149.0         .0        2.3         .0         .1      143.0         .0

 ==========================================================================================================================================
 TOTAL   1,275.6      143.5    1,196.8    1,004.9    3,131.9    4,208.9    4,519.5       78.4        48.0        6.8    4,116.6   3,512.9
 MEAN       41.1        4.8       38.6       32.4      112.0      136.0      151.0        2.5        1.6         .2      133.0      117.0
 MAX       166.0       51.4      108.0      145.0      157.0      158.0      160.0        4.0        2.3         .6      144.0      145.0
 MIN         1.7        1.8        2.5        2.5        4.9        3.1       79.5        2.2         .3         .1         .1       92.3

 ANNUAL DATA
 WTR YEAR 1990 TOTAL IN A.F.  ANNUAL TOTAL IN CFS  ANNUAL AVERAGE DAILY IN CFS  ANNUAL MAXIMUM DAILY IN CFS  ANNUAL MINIMUM DAILY IN CFS
 ---------------------------  -------------------  ---------------------------  ---------------------------  ---------------------------
                    46,101.0             23,242.6                         64.0                        166.0                           .1

 INSTANTANEOUS DATA
 INST_MAXFLOW                 INST_MAXTIME  0000            INST_MAXDATE
 INST_MINFLOW         .0      INST_MINTIME  0000            INST_MINDATE

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