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+ 13.2” + 1.6” - 2.9” Calendar Year 2004 Calendar Year 2005 + 13.3” + 9.7” + 13.5” + 14.3” -3.3” - 10.5” +4.6”

+ 13.2” + 1.6” - 2.9” Calendar Year 2004 Calendar Year 2005 + 13.3” + 9.7” + 13.5” + 14.3”-3.3” -10.5”+4.6”

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Page 1: + 13.2” + 1.6” - 2.9” Calendar Year 2004 Calendar Year 2005 + 13.3” + 9.7” + 13.5” + 14.3”-3.3” -10.5”+4.6”

+ 13.2”

+ 1.6”

- 2.9”

Calendar Year 2004 Calendar Year 2005

+ 13.3”

+ 9.7”

+ 13.5”+ 14.3”-3.3”

-10.5” +4.6”

Page 2: + 13.2” + 1.6” - 2.9” Calendar Year 2004 Calendar Year 2005 + 13.3” + 9.7” + 13.5” + 14.3”-3.3” -10.5”+4.6”

+ 17.2”

+ 7.5”

+ 6.9”

Wet Season 2004 Wet Season 2005

+ 11.0”

+ 4.7”

+ 10.0”+ 8.5”+ 2.8”

-2.9” +9.2”

Page 3: + 13.2” + 1.6” - 2.9” Calendar Year 2004 Calendar Year 2005 + 13.3” + 9.7” + 13.5” + 14.3”-3.3” -10.5”+4.6”

Significantly High Rainfall in the Lake Okeechobee tributaries for the past 5 years • Wet Season rainfall over the Upper Kissimmee

Basin was above average in 2001, 2002, 2003, 2004, & 2005.  – These five wet seasons yielded an more than 41” of

extra rainfall– The return period for 2004 wet season was 50 years.  

• The Lake Okeechobee watershed is about three times larger than the Lake– so excess rainfall over the watershed can result in a

three-fold increase in the Lake Okeechobee stage.  – For example, an extra 5” in the watershed could

produce 15” of extra water in the Lake.

Page 4: + 13.2” + 1.6” - 2.9” Calendar Year 2004 Calendar Year 2005 + 13.3” + 9.7” + 13.5” + 14.3”-3.3” -10.5”+4.6”

Wet Season: June-October