U. S. Army Corps of Engineers, Jacksonville District
                       Lake Okeechobee and Vicinity Report
 
Data Ending 2400 hours   05 MAY 2008
_____________________________________________________________________________
 
Okeechobee Lake Regulation      Elevation   Last Year  2YRS Ago
                                (ft-NGVD)   (ft-NGVD)  (ft-NGVD)
  *Okeechobee Lake Elevation       10.11        9.49    13.24 (Official Elv)
  Regulation Zone Elevations    B=  -NR-    C= 16.72   D= 15.77     E= 13.72
 
  05MAY (1965-2006) Period of Record Average    13.57
  Difference from POR Average                  -3.47
 
  Simulated Average LORSS2007 TSP[1965-2000]    12.26
  Difference from Average LORSS2007 TSP        -2.15
 
  Today Lake Okechobee elevation is determined from the 4 interior stations
 
  ++Navigation Depths (Based on 2001 Channel Condition Survey) Route 1 ÷  4.05'
                                                               Route 2 ÷  1.45'
  Bridge Clearance = 53.59'
______________________________________________________________________________
 
4 Interior and 4 Edge Okeechobee Lake Average (Avg-Daily values):
                                     (BAD)
  L001   L005   L006   LZ40   S4     S352   S308   S133
  10.03  10.03  10.16  10.22  10.14  10.40   10.20 10.23
 
 *Combination Okeechobee  Avg-Daily Lake Average =  10.18
                                                   (*See Note)
 
Interior Okeechobee Lake Average (Avg-Daily values):
  L001   L005   L006   LZ40
  10.03  10.03  10.16  10.22
 
 *Interior Okeechobee Avg-Daily Lake Average =    10.11
                                                 (*See Note)
 
Okeechobee Lake Average (Avg-Daily values):
               (BAD)  (BAD)   (BAD)                       (BAD)  (BAD)
  C5     S4     S3     S2     S352   S308   S135   S133   S127   S129
  10.07  10.14  10.25  10.21  10.40   10.20 10.14  10.23  10.89  10.40
 
 *Edge Okeechobee Avg-Daily Lake Average =        10.30
                                                 (*See Note)
 
______________________________________________________________________________
 
Okeechobee Inflows (cfs):
  S65E            761      S191              0      Fisheating Cr  -NR-
  S154              0      S133 Pumps        0      S135 Pumps        0
  S84               0      S127 Pumps        0      S2 Pumps          0
  S71               0      S129 Pumps        0      S3 Pumps          0
  S72               0      S131 Pumps        0      S4 Pumps          0
Total Inflows:    761
 
Okeechobee Outflows (cfs):
  S135 Culverts     0      S354           -NR-      S77             365
  S127 Culverts  -NR-      S351           -NR-      S308    (BAD)     1
  S129 Culverts     0      S352            330
  S131 Culverts            L8 Canal Pt      11
  C5             -NR-
Total Outflows:   706 (BAD VALUE)
 
Okeechobee Pan Evaporation (inches):
  S77            0.33      S308           0.35
  Average Pan Evap x 0.75 Pan Coefficient =  0.25" =  0.02'
 
Lake Average Precipitation using NEXRAD: =  -NR-" =  -NR-'
 
Evaporation - Precipitation:             =  -NR-" =  -NR-'
Evaporation - Precipitation using Lake Area of 730 square miles
  is equal to   -NR-
Lake Okeechobee (Change in Storage) Flow is  -6655 cfs or -13200 AC-FT
______________________________________________________________________________
______________________________________________________________________________
 
 
 
Note: Headwater, tailwater, and stage values below are instantaneous values
      unless otherwise specified.
 
             Headwater Tailwater         ----------- Gate Positions ------------
             Elevation Elevation  Disch   #1   #2   #3   #4   #5   #6   #7   #8
             (ft-msl)  (ft-msl)   (cfs)  (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft)
                               (I) see note at bottom
North East Shore
  S133 Pumps:  12.29     10.01       0      0    0    0    0    0  (cfs)
  S193:       ______
  S191:        19.23     10.08       0    0.0  0.0  0.0
  S135 Pumps:  10.30     10.12       0      0    0    0    0       (cfs)
  S135 Culverts:                     0    0.0  0.0
 
North West Shore
  S65E:        20.71      9.38     761    0.2  0.6  0.0  0.3  0.3  0.1
  S127 Pumps:  12.55     10.89       0      0    0    0    0    0  (cfs)
  S127 Culvert:                   -NR-   -NR-
 
  S129 Pumps:  10.46     10.39       0      0    0    0            (cfs)
  S129 Culvert:                      0    0.0
 
  S131 Pumps:  11.97     10.69       0      0    0                 (cfs)
  S131 Culvert:
 
  Fisheating Creek
    nr Palmdale         ______    -NR-
    nr Lakeport         ______
  C5:         ______    10.07   -NR-   -NR- -NR- -NR-
 
South Shore
  S4 Pumps:     9.71     10.11       0      0    0    0            (cfs)
  S169:        10.21      9.91       0    0.0  0.0  0.0
  S310:       ______              -NR-
  S3 Pumps:   ______      -NR-       0      0    0    0            (cfs)
  S354:         -NR-    ______    -NR-   -NR- -NR-
  S2 Pumps:    10.00     10.34       0      0    0    0    0       (cfs)
  S351:        10.34     10.00    -NR-   -NR- -NR- -NR-
  S352:        10.51      9.98     330   -NR- -NR-
  C10A:         -NR-      8.63           -NR-  -NR-   8.0  -NR-  -NR-
  L8 Canal PT            10.30      11
 
  _________________________________________________________________________
                               Temporary Pumps
 
  S351:        10.00     10.34    -NR-  -NR--NR--NR--NR--NR--NR-
  S352:         9.98     10.51     330  -NR--NR--NR--NR-
  S354:       ______      -NR-    -NR-  -NR--NR--NR--NR-
  _________________________________________________________________________
 
Caloosahatchee River (S77, S78, S79)
  S47B:         9.22      9.40            0.0  0.0
  S47D:         9.43      9.58     -41    0.5
  S77:
    Spillway and Sector Flow:
               10.69      9.72     364    1.0  1.0  1.0  1.0
    Flow Due to Lockages+:           1
 
  S78:
    Spillway and Sector Flow:
                9.70      3.06      36    0.0  0.0  0.0  0.0
    Flow Due to Lockages+:          10
 
  S79:
    Spillway and Sector Flow:
                3.12      0.64       0    0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0
    Flow Due to Lockages+:           2
    Percent of flow from S77      -NR-%
    Chloride            (ppm)    203
 
 
St. Lucie Canal (S308, S80)
  S308:
    Spillway and Sector Flow:
               10.32      9.91       0    0.0  0.0  0.0  0.0
    Flow Due to Lockages+:           1
 
  S308 Below USGS Flow Gage        105
  S153:        18.40      9.78       0    0.0  0.0
  S80:
    Spillway and Sector Flow:
                9.96      1.51       0    0.0  0.0  0.0  0.0  0.0  0.0  0.0
    Flow Due to Lockages+:           6
    Percent of flow from S308     -NR-%
 
  Steele Point Top Salinity    (mg/ml)   28
  Steele Point Bottom Salinity (mg/ml)   29
 
  Speedy Point Top Salinity    (mg/ml)   18
  Speedy Point Bottom Salinity (mg/ml)   18
 
 + Flow Due to lockages is computed utilizing average daily headwater and
   tailwater along with total number of lockages for the day to calculate
   a volume which is then converted to an average discharge in cfs.
______________________________________________________________________________
                                                               ----- Wind ----
Daily Precipitation Totals    1-Day       3-Day       7-Day    Direction Speed
                             (inches)    (inches)    (inches)   (Degų)   (mph)
  S133 Pump Station:           -NR-        0.00        0.00
  S193:                        -NR-        0.00        0.00     -NR-    -NR-
  Okeechobee Field Station:    -NR-        0.00        0.00
  S135 Pump Station:           -NR-        0.00        0.00
  S127 Pump Station:           -NR-        0.00        0.00
  S129 Pump Station:           -NR-        0.00        0.00
  S131 Pump Station:           -NR-        0.00        0.00
  S77:                         0.00        0.00        0.00      168       1
  S78:                         0.00        0.00        0.01       54       2
  S79:                         0.00        0.00        0.00      289       7
  S4 Pump Station:             -NR-        0.00        0.00
  Clewiston Field Station:     -NR-        0.07        0.07
  S3 Pump Station:             -NR-        0.00        0.00
  S2 Pump Station:             -NR-        0.00        0.00
  S308:                        0.00        0.00        0.00       30      12
  S80:                         0.00        0.00        0.00        5       5
        Okeechobee Average     0.00        0.01        0.01
        (Sites S78, S79 and S80 not included)
 
______________________________________________________________________________
Okeechobee Lake Elevations  05 MAY 2008           10.11 Difference from 05MAY08
   05MAY08  -1 Day  =       04 MAY 2008           10.15             0.04
   05MAY08  -2 Days =       03 MAY 2008           10.18             0.07
   05MAY08  -3 Days =       02 MAY 2008           10.21             0.10
   05MAY08  -4 Days =       01 MAY 2008           10.25             0.14
   05MAY08  -5 Days =       30 APR 2008           10.25             0.14
   05MAY08  -6 Days =       29 APR 2008           10.28             0.17
   05MAY08  -7 Days =       28 APR 2008           10.31             0.20
   05MAY08 -30 Days =       05 APR 2008           10.32             0.21
   05MAY08  -1 Year =       05 MAY 2007            9.49            -0.62
   05MAY08  -2 Year =       05 MAY 2006           13.24             3.13
______________________________________________________________________________
Long Term Mean 30day Avearge ET for Lake Alfred (Inches) =  4.72
______________________________________________________________________________
                         Lake Okeechobee Net Inflow (LONIN)
                   Average Flow over the previous 14 days  |  Avg-Daily Flow
   05MAY08    Today =       05 MAY 2008      -NR-  TUE     |      -NR-
   05MAY08  -1 Day  =       04 MAY 2008      -NR-  MON     |      -NR-
   05MAY08  -2 Days =       03 MAY 2008      -NR-  SUN     |      -NR-
   05MAY08  -3 Days =       02 MAY 2008      -NR-  SAT     |      -NR-
   05MAY08  -4 Days =       01 MAY 2008      -NR-  FRI     |      -NR-
   05MAY08  -5 Days =       30 APR 2008      -NR-  THU     |      -NR-
   05MAY08  -6 Days =       29 APR 2008      -NR-  WED     |      -NR-
   05MAY08  -7 Days =       28 APR 2008      -NR-  TUE     |      -NR-
   05MAY08  -8 Days =       27 APR 2008      -NR-  MON     |      -NR-
   05MAY08  -9 Days =       26 APR 2008      -NR-  SUN     |      -NR-
   05MAY08 -10 Days =       25 APR 2008      -NR-  SAT     |      -NR-
   05MAY08 -11 Days =       24 APR 2008      -NR-  FRI     |      -NR-
   05MAY08 -12 Days =       23 APR 2008      -NR-  THU     |      -NR-
   05MAY08 -13 Days =       22 APR 2008      -NR-  WED     |      -NR-
______________________________________________________________________________
______________________________________________________________________________
                                 S65-E
                       Average Flow over previous 14 days  |  Avg-Daily Flow
   05MAY08     Today=       05 MAY 2008       984  TUE     |       761
   05MAY08  -1 Day  =       04 MAY 2008      1028  MON     |       641
   05MAY08  -2 Days =       03 MAY 2008      1081  SUN     |       639
   05MAY08  -3 Days =       02 MAY 2008      1148  SAT     |       639
   05MAY08  -4 Days =       01 MAY 2008      1214  FRI     |       888
   05MAY08  -5 Days =       30 APR 2008      1261  THU     |      1364
   05MAY08  -6 Days =       29 APR 2008      1279  WED     |       794
   05MAY08  -7 Days =       28 APR 2008      1354  TUE     |       716
   05MAY08  -8 Days =       27 APR 2008      1437  MON     |       976
   05MAY08  -9 Days =       26 APR 2008      1501  SUN     |       991
   05MAY08 -10 Days =       25 APR 2008      1557  SAT     |      1184
   05MAY08 -11 Days =       24 APR 2008      1603  FRI     |      1226
   05MAY08 -12 Days =       23 APR 2008      1632  THU     |      1491
   05MAY08 -13 Days =       22 APR 2008      1678  WED     |      1470
______________________________________________________________________________
Lake Okeechobee Outlets Last 14 Days
 
             S-77       S-77       S-78       S-78    Below S308    S-308
           Discharge  Discharge  Discharge  Discharge  Discharge  Discharge
          (0700-2100) (ALL DAY) (0700-2100) (ALL DAY)  (ALL DAY)  (ALL DAY)
   DATE     (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)
05 MAY 2008    429       723         0         91        207           2
04 MAY 2008   -NR-      -NR-      -NR-       -NR-         62        -NR-
03 MAY 2008   -NR-      -NR-      -NR-       -NR-        503        -NR-
02 MAY 2008   -NR-      -NR-      -NR-       -NR-       -NR-        -NR-
01 MAY 2008    557      -NR-       157       -NR-       -NR-        -NR-
30 APR 2008    580       816       152        268         14           1
29 APR 2008    117       162        86        122          7           1
28 APR 2008     44       135         0       -NR-        285           1
27 APR 2008    226       413       139        233        124           0
26 APR 2008    386       716       154        285        219           1
25 APR 2008    540       890       159        283        342           1
24 APR 2008    533       643        39         85         75           1
23 APR 2008     40       355         0         12        152           2
22 APR 2008    612      1042         0         10         64           1
 
             S-79       S-310      S-351      S-352      S-354    L8 Canal Pt
           Discharge  Discharge  Discharge  Discharge  Discharge  Discharge
           (ALL DAY)  (ALL DAY)  (ALL DAY)  (ALL DAY)  (ALL DAY)  (ALL DAY)
   DATE     (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)
05 MAY 2008      3      -NR-       -NR-       654        -NR-         21
04 MAY 2008   -NR-      -NR-       -NR-       654        -NR-         -8
03 MAY 2008   -NR-      -NR-       -NR-       654        -NR-        -13
02 MAY 2008   -NR-      -NR-       -NR-      -NR-        -NR-       -NR-
01 MAY 2008   -NR-      -NR-       -NR-       654        -NR-       -NR-
30 APR 2008      5      -NR-       -NR-       545        -NR-         45
29 APR 2008      3      -NR-       -NR-       696        -NR-         41
28 APR 2008      3      -NR-       -NR-       527        -NR-         15
27 APR 2008      3      -NR-       -NR-         0        -NR-        -23
26 APR 2008      5      -NR-       -NR-         0        -NR-        -19
25 APR 2008      3      -NR-       -NR-       246        -NR-         16
24 APR 2008      3      -NR-       -NR-       644        -NR-         28
23 APR 2008      3      -NR-       -NR-       381        -NR-         18
22 APR 2008      2      -NR-       -NR-         0        -NR-        -11
***  NOTE: 1)  Discharge from (0700-2100) is computed using Spillway and Sector
               Gate Discharges from 0700 hrs to 2100 hrs.
           2)  Discharge (ALL DAY) is computed using Spillway, Sector Gate and
               Lockages Discharges from 0015 hrs to 2400 hrs.
______________________________________________________________________________
 
(I) - Flows preceeded by "I" signify an instantaneous
      flow computed from the single value reported for the day
______________________________________________________________________________
   * As of 11 May 1999, Lake Okeechobee Elevation was switched from
     Instantaneous 2400 value to an average-daily lake average.
     On 14 Mar 2001, due to the isolation of various gages within the standard
     10 stations, we began using the average of the interior 4 station gages
     as the official Lake Okeechobee Elevation.
   * On 16 April 2007,  Lake Okeechobee Elevation was switched to a 8 gage
     mixture of interior and exterior gages due to wind effects on Lake O
   (When the 4 station gages are not working the 10 station elevation is used)
     Today Lake Okechobee elevation is determined from the 4 interior stations
  ++ For more information see the Jacksonville District Navigation website
     at http://www.saj.usace.army.mil/hydroSurvey/hydro.htm
   $ For information regarding Lake Okeechobee Service Area water restrictions
     please refer to www.sfwmd.gov
______________________________________________________________________________
Report Generated 06MAY2008 @ 07:30  ** Preliminary Data - Subject to Revision **