It was confirmed by the NWS in Miami.
22.21 in Hypoluxo,Fl which is just south of West Palm Beach.
Keep in mind this was about a 10-12 hour rain event.
Here's the totals.
000
NOUS42 KMFL 101655
PNSMFL
FLZ063-066>075-168-172>174-110500-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1155 AM EST FRI JAN 10 2014
...PUBLIC INFORMATION STATEMENT...
********************STORM TOTAL RAINFALL********************
LOCATION STORM TOTAL TIME/DATE COMMENTS
RAINFALL OF
/INCHES/ MEASUREMENT
FLORIDA
...PALM BEACH COUNTY...
1 WSW HYPOLUXO 22.21 800 AM 1/10 MESONET
1 SW PALM BEACH 16.03 800 AM 1/10 MESONET
LANTANA 15.04 800 AM 1/10 MESONET
1 ESE LANTANA 14.79 700 AM 1/10 COCORAHS
BOYNTON BEACH 13.13 800 AM 1/10 MESONET
1 E LANTANA 12.46 800 AM 1/10 MESONET
2 NW BOYNTON BEACH 11.00 800 AM 1/10 COCORAHS
PALM BEACH 10.75 800 AM 1/10 MESONET
1 SW PALM BEACH SHOR 9.35 800 AM 1/10 MESONET
1 NNW LAKE WORTH 8.72 800 AM 1/10 COCORAHS
1 N LAKE WORTH 8.58 800 AM 1/10 COCORAHS
LAKE WORTH 7.98 800 AM 1/10 MESONET
JUNO BEACH 7.94 800 AM 1/10 CO-OP OBSERVER
JUPITER FARMS 6.29 800 AM 1/10 MESONET
9 WNW PALM BEACH GAR 6.15 800 AM 1/10 MESONET
NORTH PALM BEACH 5.86 800 AM 1/10 MESONET
$
KONARIK