Lake Okeechobee's mysterious rise?

There was a meteorologic 
drought over Lake O this year,

But somehow it still managed to rise 3 feet.

Can you guess why?

a. Suwannee jumped its bank 
b. Cartographers officially switched to a new datum
c. Record rainfall on the Kissimmee
d. Water managers left back pumps on over holidays
e. c and d only

Answer: http://www.gohydrology.org