Recent Weather Data	Normals (Averages)	Records (Extremes)	Long-Range Predictions	Misc. Climate Data
Past Weather Data

Comprehensive Climate Data Web Page.
All the most recent text information (daily and monthly highs, lows, precip and heating/cooling degree days) may be gathered on this page:

Also, See Graphs Like These:
They show the actual daily highs and lows, as well as the normals and records (extremes).

See the General 2008 Annual Summary for All of Central PA.

Seasonal and Yearly Text Summaries for Harrisburg and Williamsport
Location: Harrisburg Williamsport	Statement Type: Yearly Summer Winter Century	Available Selections:

Long-Past Monthly Summaries (NWS Preliminary Form F6)

NOTE: The most-recent 5 years of F6 sheets will be found at THIS LINK.

Preliminary Monthly Data for 1997-2004 Choose: Harrisburg Williamsport January February March April May June July August September October November December 1997 1998 1999 2000 2001 2002 2003 2004

How to decode/read these forms

Co-Operative Observations (48 local sites which report conditions once every day):
Text table of Central PA Cooperative Observations (HYDCTP).

Daily Climate Summary for STCP1 - The CoOperative Observation Station at State College, PA posted by the observers themselves (at the PSU Meteorology Department).
PSU Weather Station Link (with searchable Daily Climate Summaries).

For detailed and in-depth climate information for the Commonwealth of PA, see the...
Pennsylvania State Climatologist Home Page.

Severe Events:

LSRs
Maps
Searchable "Storm Data" database from NCDC (All severe events from 1950-2007)
Past Severe Weather Events since 1993 in Central PA
Central PA Weather Events/Feature Pages