U. S. Army Corps of Engineers, Jacksonville District Lake Okeechobee and Vicinity Report Data Ending 2400 hours 14 OCT 2007 _____________________________________________________________________________ Okeechobee Lake Regulation Elevation Last Year 2YRS Ago (ft-NGVD) (ft-NGVD) (ft-NGVD) *Okeechobee Lake Elevation 10.08 13.08 15.57 (Official Elv) Regulation Zone Elevations B= -NR- C= 17.75 D= 17.00 E= 15.39 14OCT (1965-2006) Period of Record Average 15.16 Difference from POR Average -5.08 Simulated Average LORSS2007 TSP[1965-2000] 13.96 Difference from Average LORSS2007 TSP -3.88 Today Lake Okechobee elevation is determined from the 4 interior stations ++Navigation Depths (Based on 2001 Channel Condition Survey) Route 1 ÷ 4.02' Route 2 ÷ 1.42' Bridge Clearance = 53.33' ______________________________________________________________________________ 4 Interior and 4 Edge Okeechobee Lake Average (Avg-Daily values): (BAD) L001 L005 L006 LZ40 S4 S352 S308 S133 9.76 10.19 10.16 10.21 10.58 10.23 9.95 9.92 *Combination Okeechobee Avg-Daily Lake Average = 10.12 (*See Note) Interior Okeechobee Lake Average (Avg-Daily values): L001 L005 L006 LZ40 9.76 10.19 10.16 10.21 *Interior Okeechobee Avg-Daily Lake Average = 10.08 (*See Note) Okeechobee Lake Average (Avg-Daily values): (BAD) (BAD) (BAD) (BAD) (BAD) C5 S4 S3 S2 S352 S308 S135 S133 S127 S129 10.52 10.58 10.49 10.31 10.23 9.95 10.60 9.92 11.13 10.37 *Edge Okeechobee Avg-Daily Lake Average = 10.41 (*See Note) ______________________________________________________________________________ Okeechobee Inflows (cfs): S65E 1518 S191 0 Fisheating Cr -NR- S154 0 S133 Pumps 0 S135 Pumps 0 S84 34 S127 Pumps 0 S2 Pumps 0 S71 0 S129 Pumps 0 S3 Pumps 0 S72 0 S131 Pumps 0 S4 Pumps 0 Total Inflows: 1552 Okeechobee Outflows (cfs): S135 Culverts 0 S354 0 S77 -78 S127 Culverts -NR- S351 0 S308 (BAD) -1738 S129 Culverts 0 S352 0 S131 Culverts L8 Canal Pt -NR- C5 -NR- Total Outflows: -1817 (BAD VALUE) Okeechobee Pan Evaporation (inches): S77 0.22 S308 0.29 Average Pan Evap x 0.75 Pan Coefficient = 0.19" = 0.02' Lake Average Precipitation using NEXRAD: = 0.00" = 0.00' Evaporation - Precipitation: = 0.19" = 0.02' Evaporation - Precipitation using Lake Area of 730 square miles is equal to 3754 cfs out of the lake. Lake Okeechobee (Change in Storage) Flow is -3529 cfs or -7000 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: 11.86 9.96 0 0 0 0 0 0 (cfs) S193: ______ S191: 19.64 10.06 0 0.0 0.0 0.0 S135 Pumps: 13.22 10.59 0 0 0 0 0 (cfs) S135 Culverts: 0 0.0 0.0 North West Shore S65E: 21.02 9.70 1518 0.5 0.5 0.5 0.4 0.4 0.4 S127 Pumps: 12.92 11.12 0 0 0 0 0 0 (cfs) S127 Culvert: -NR- -NR- S129 Pumps: 10.38 10.36 0 0 0 0 (cfs) S129 Culvert: 0 0.0 S131 Pumps: 12.34 11.77 0 0 0 (cfs) S131 Culvert: Fisheating Creek nr Palmdale ______ -NR- nr Lakeport ______ C5: ______ 10.52 -NR- -NR- -NR- -NR- South Shore S4 Pumps: 10.56 10.47 0 0 0 0 (cfs) S169: 10.49 10.74 0 0.0 0.0 0.0 S310: ______ -NR- S3 Pumps: 10.65 10.37 0 0 0 0 (cfs) S354: 10.37 10.65 0 0.0 0.0 S2 Pumps: 10.63 10.22 0 0 0 0 0 (cfs) S351: 10.22 10.63 0 0.0 0.0 0.0 S352: ______ -NR- 0 0.0 -NR- C10A: -NR- 11.51 -NR- -NR- 8.0 -NR- -NR- L8 Canal PT ______ -NR- _________________________________________________________________________ Temporary Pumps S351: 10.63 10.22 0 -NR--NR--NR--NR--NR--NR- S352: -NR- ______ 0 -NR--NR--NR--NR- S354: 10.65 10.37 0 -NR--NR--NR--NR- _________________________________________________________________________ Caloosahatchee River (S77, S78, S79) S47B: 10.43 10.62 5.8 5.8 S47D: 10.54 10.67 0 0.0 S77: Spillway and Sector Flow: 10.29 10.75 -78 0.0 0.5 0.5 0.5 Flow Due to Lockages+: -0 S78: Spillway and Sector Flow: 10.95 3.18 0 0.0 0.0 0.0 0.0 Flow Due to Lockages+: 14 S79: Spillway and Sector Flow: 3.14 0.46 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) 83 St. Lucie Canal (S308, S80) S308: Spillway and Sector Flow: 9.95 10.17 -1738 0.0 2.5 2.5 0.0 Flow Due to Lockages+: -0 S308 Below USGS Flow Gage -213 S153: 18.87 10.02 120 0.0 0.5 S80: Spillway and Sector Flow: 11.73 1.00 0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Flow Due to Lockages+: 5 Percent of flow from S308 -NR-% Steele Point Top Salinity (mg/ml) 28 Steele Point Bottom Salinity (mg/ml) 27 Speedy Point Top Salinity (mg/ml) 14 Speedy Point Bottom Salinity (mg/ml) 11 + 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 0.01 S131 Pump Station: -NR- 0.00 0.00 S77: 0.00 0.00 0.00 302 4 S78: 0.01 0.01 0.02 62 4 S79: 0.00 0.00 0.00 29 6 S4 Pump Station: -NR- 0.00 0.00 Clewiston Field Station: -NR- 0.00 0.00 S3 Pump Station: -NR- 0.00 0.00 S2 Pump Station: -NR- 0.00 0.00 S308: 0.00 0.00 0.00 150 8 S80: 0.01 0.01 0.02 161 6 Okeechobee Average 0.00 0.00 0.00 (Sites S78, S79 and S80 not included) ______________________________________________________________________________ Okeechobee Lake Elevations 14 OCT 2007 10.08 Difference from 14OCT07 14OCT07 -1 Day = 13 OCT 2007 10.10 0.02 14OCT07 -2 Days = 12 OCT 2007 10.10 0.02 14OCT07 -3 Days = 11 OCT 2007 10.09 0.01 14OCT07 -4 Days = 10 OCT 2007 10.09 0.01 14OCT07 -5 Days = 09 OCT 2007 10.09 0.01 14OCT07 -6 Days = 08 OCT 2007 10.11 0.03 14OCT07 -7 Days = 07 OCT 2007 10.10 0.02 14OCT07 -30 Days = 14 SEP 2007 9.61 -0.47 14OCT07 -1 Year = 14 OCT 2006 13.08 3.00 14OCT07 -2 Year = 14 OCT 2005 15.57 5.49 ______________________________________________________________________________ Long Term Mean 30day Avearge ET for Lake Alfred = 3.71 ______________________________________________________________________________ Lake Okeechobee Net Inflow (LONIN) Average Flow over the previous 14 days | Avg-Daily Flow 14OCT07 Today = 14 OCT 2007 -NR- MON | -NR- 14OCT07 -1 Day = 13 OCT 2007 -NR- SUN | -NR- 14OCT07 -2 Days = 12 OCT 2007 -NR- SAT | -NR- 14OCT07 -3 Days = 11 OCT 2007 -NR- FRI | -NR- 14OCT07 -4 Days = 10 OCT 2007 -NR- THU | -NR- 14OCT07 -5 Days = 09 OCT 2007 -NR- WED | -NR- 14OCT07 -6 Days = 08 OCT 2007 -NR- TUE | -NR- 14OCT07 -7 Days = 07 OCT 2007 -NR- MON | -NR- 14OCT07 -8 Days = 06 OCT 2007 -NR- SUN | -NR- 14OCT07 -9 Days = 05 OCT 2007 -NR- SAT | -NR- 14OCT07 -10 Days = 04 OCT 2007 -NR- FRI | -NR- 14OCT07 -11 Days = 03 OCT 2007 -NR- THU | -NR- 14OCT07 -12 Days = 02 OCT 2007 -NR- WED | -NR- 14OCT07 -13 Days = 01 OCT 2007 -NR- TUE | -NR- ______________________________________________________________________________ ______________________________________________________________________________ S65-E Average Flow over previous 14 days | Avg-Daily Flow 14OCT07 Today= 14 OCT 2007 1110 MON | 1518 14OCT07 -1 Day = 13 OCT 2007 1078 SUN | 1670 14OCT07 -2 Days = 12 OCT 2007 1029 SAT | 1623 14OCT07 -3 Days = 11 OCT 2007 975 FRI | 1305 14OCT07 -4 Days = 10 OCT 2007 942 THU | 1304 14OCT07 -5 Days = 09 OCT 2007 902 WED | 1335 14OCT07 -6 Days = 08 OCT 2007 848 TUE | 1415 14OCT07 -7 Days = 07 OCT 2007 767 MON | 1156 14OCT07 -8 Days = 06 OCT 2007 702 SUN | 431 14OCT07 -9 Days = 05 OCT 2007 756 SAT | 776 14OCT07 -10 Days = 04 OCT 2007 640 FRI | 934 14OCT07 -11 Days = 03 OCT 2007 567 THU | 1177 14OCT07 -12 Days = 02 OCT 2007 364 WED | 644 14OCT07 -13 Days = 01 OCT 2007 363 TUE | 251 ______________________________________________________________________________ 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) 14 OCT 2007 -67 -155 0 27 -423 -3447 13 OCT 2007 -108 -197 0 5 -602 -3998 12 OCT 2007 -144 -256 0 5 -662 -4773 11 OCT 2007 -178 -304 0 7 -615 -NR- 10 OCT 2007 -195 -328 0 -NR- -724 -NR- 09 OCT 2007 -189 -316 0 2 -336 -6671 08 OCT 2007 -164 -292 0 12 -1436 -4025 07 OCT 2007 -166 -287 0 17 -1848 -6233 06 OCT 2007 -147 -257 0 -NR- -2338 -8350 05 OCT 2007 -142 -286 0 39 -2877 -9865 04 OCT 2007 -163 -321 0 24 -4059 -12876 03 OCT 2007 -171 -340 0 5 -3052 -11583 02 OCT 2007 -154 -NR- 0 7 -3304 -9737 01 OCT 2007 0 -0 0 10 -1603 -5511 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) 14 OCT 2007 5 -NR- 0 0 0 -NR- 13 OCT 2007 3 -NR- 0 0 0 -NR- 12 OCT 2007 43 -NR- 0 0 0 -NR- 11 OCT 2007 223 -NR- 0 0 0 -NR- 10 OCT 2007 230 -NR- 0 0 0 -NR- 09 OCT 2007 254 -NR- 0 0 0 -NR- 08 OCT 2007 327 -NR- 0 0 0 -NR- 07 OCT 2007 478 -NR- 0 0 0 -NR- 06 OCT 2007 516 -NR- 0 0 0 -NR- 05 OCT 2007 433 -NR- 0 0 0 -NR- 04 OCT 2007 415 -NR- 0 0 0 -NR- 03 OCT 2007 369 -NR- 0 0 0 -NR- 02 OCT 2007 87 -NR- 0 0 0 -NR- 01 OCT 2007 -NR- -NR- 0 0 0 -NR- *** 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 15OCT2007 @ 14:15 ** Preliminary Data - Subject to Revision **