Many a backyard deck in western New Jersey probably looked like this early this morning. Sleet from last evening and overnight did accumulate on some colder surfaces. In extreme northern New Jersey there was some snow mixed in as well. Wantage reported 1.0″ and Rockaway reported 1/2″

Here are some additional reports:

PUBLIC INFORMATION STATEMENT
SPOTTER REPORTS
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
542 AM EST TUE DEC 29 2015

THE FOLLOWING ARE UNOFFICIAL OBSERVATIONS TAKEN DURING THE PAST 7
HOURS FOR THE WEATHER SYSTEM THAT HAS BEEN AFFECTING OUR REGION.
APPRECIATION IS EXTENDED TO COOPERATIVE OBSERVERS...SKYWARN SPOTTERS
AND THE GENERAL PUBLIC FOR THESE REPORTS. THIS SUMMARY IS ALSO
AVAILABLE ON OUR HOME PAGE AT WEATHER.GOV/PHI

********************STORM TOTAL SNOWFALL********************

LOCATION          STORM TOTAL     TIME/DATE   COMMENTS
                     SNOWFALL           OF
                     /INCHES/   MEASUREMENT

NEW JERSEY

...MORRIS COUNTY...
   MARCELLA               0.3  1210 AM 12/29  TRAINED SPOTTER
   GREEN POND             0.3  1130 PM 12/28  SLEET AND SNOW.

...SUSSEX COUNTY...
   WANTAGE                1.2   515 AM 12/29  SNOW AND SLEET.
   4 SW WANTAGE           0.6   450 AM 12/29  SNOW AND SLEET.

PENNSYLVANIA

...CARBON COUNTY...
   LEHIGHTON              1.1   535 AM 12/29  SNOW AND SLEET.

Temperatures are now above freezing in most of western New Jersey. rain will finish by mid day.

And here are some more. Stewartsville received 1/10″ of sleet:

The following are unofficial observations taken during the past 11
hours for the weather system that has been affecting our region.
Appreciation is extended to Highway departments...cooperative
observers...Skywarn spotters and media for these reports. This
summary is also available on our home Page at weather.Gov/phi

********************storm total snowfall********************

Location          storm total     time/date   comments                   
                     snowfall           of 
                     /inches/   measurement

New Jersey

...Burlington County...
   Burlington               T   245 PM 12/28  rain and sleet mix      

...Hunterdon County...
   Tewksbury TWP          0.9   726 am 12/29  1000 foot elevation     
   2 ENE Clinton          0.1   700 am 12/29  cocorahs                
   Flemington               T   356 PM 12/28  rain and sleet mix      

...Mercer County...
   Princeton                T   320 PM 12/28  rain and sleet mix      

...Middlesex County...
   Monroe TWP               T   319 PM 12/28  rain and sleet mix      

...Morris County...
   1 W Randolph TWP       0.5   713 am 12/29  cocorahs                
   NNW Rockaway           0.4   800 am 12/29  cocorahs                
   2 SW Randolph TWP      0.4   800 am 12/29  cocorahs                
   Green Pond             0.3  1130 PM 12/28  sleet and snow.         
   Marcella               0.3  1210 am 12/29  trained spotter         

...Somerset County...
   1 NNW Bernards TWP     0.2   730 am 12/29  cocorahs                
   1 ENE Bernards TWP     0.1   700 am 12/29  cocorahs                

...Sussex County...
   Wantage                1.2   515 am 12/29  snow and sleet.         
   2 SW Wantage TWP       0.8   700 am 12/29  cocorahs                
   3 WNW Montague TWP     0.8   700 am 12/29  cocorahs                
   4 SW Wantage           0.6   450 am 12/29  snow and sleet.         
   3 se Hardyston TWP     0.5   800 am 12/29  cocorahs                
   2 se Wantage TWP       0.5   610 am 12/29  cocorahs                

...Warren County...
   Delaware               0.5   800 am 12/29  social media            
   1 W Hackettstown       0.1   700 am 12/29  cocorahs                

Pennsylvania

...Berks County...
   Wyomissing               T   105 PM 12/28  social media            

...Bucks County...
   Doylestown               T   249 PM 12/28  rain and sleet mix      

...Carbon County...
   Lehighton              1.1   535 am 12/29  snow and sleet.         

...Lehigh County...
   Lehigh Valley Intl a     T   100 am 12/29  ASOS                    
   Heidelberg TWP           T   300 PM 12/28  rain and sleet mix      
   Vera Cruz                T   321 PM 12/28  trained spotter         

...Monroe County...
   5 W Stroudsburg        0.8   800 am 12/29  cocorahs                
   Mount Pocono           0.8   807 am 12/29  trained spotter         
   Canadensis             0.8   910 am 12/29  snow and sleet          
   Pocono Summit          0.6   910 am 12/29  snow and sleet          
   7 NE east stroudsbur   0.5   900 am 12/29  cocorahs                

...Northampton County...
   Bangor                 0.6   910 am 12/29  sleet                   
   Martins Creek          0.3   910 am 12/29  sleet                   
   E Martins Creek        0.2   700 am 12/29  cocorahs                

...Philadelphia County...
   Philadelphia             T   214 PM 12/28  rain and sleet mix      


***********************storm total ice***********************

Location          storm total     time/date   comments                   
                          ice           of 
                     /inches/   measurement

New Jersey

...Morris County...
   2 ESE Denville TWP    0.01   700 am 12/29  cocorahs                

...Sussex County...
   Sussex Airport        0.05   800 am 12/29  kfwn ASOS               
   2 SW Wantage TWP         T   700 am 12/29  cocorahs                
   High Point               T   705 PM 12/28  trained spotter         

Pennsylvania

...Monroe County...
   Pocono Mountains air  0.13   753 am 12/29  ASOS                    
   5 W Stroudsburg          T   800 am 12/29  cocorahs