The GFDL (Geophysical Fluid Dynamics Laboratory) /ONJSC Network is a local precipitation network consisting of volunteer observers from the greater Princeton area. It was started in the early 1970s by Leith Holloway and maintained through the 1980s and 1990s by Anthony Broccoli. The Office of the NJ State Climatologist assumed responsibility for the network in April 2001.
  Blank Observer's Sheet
  See the station list and map for more information about station names and source. Not every station is represented in each monthly map. For further information concerning any of these observations or stations contact the Office of the NJ State Climatologist (
March 2001 - November 2004 maps are available.
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