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  • Data Quality & Chester County Climate Overview
    • Detailed Station Data Sources
    • Chester County Climate Overview
  • ChescoWx Studies
    • Equipment & Siting: Does It Affect Accuracy?
    • Elevation & Terrain: Do the Hills Run Colder?
    • Where Does Chester County End? The 3-Mile Rule
    • Raw vs NCEI: State by State
      • Raw vs NCEI: Contiguous U.S.
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      • Raw vs NCEI: New Hampshire
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      • Raw vs NCEI: Vermont
    • PHL Airport vs Its Neighbors
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    • Annual & Monthly Summaries
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    • Average Snowfall Map
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    • Biggest Snowstorms, Mapped
    • Snow Season Totals
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    • How We Measure Snow
    • Snow Seasons
    • Top Snowfalls by Season
    • Top Snowfalls by Month
    • White Christmas History
  • In The News
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cropped cropped chescowx 7.png
  • HOME
  • Current Weather & Forecast
  • Data Quality & Chester County Climate Overview
    • Detailed Station Data Sources
    • Chester County Climate Overview
  • ChescoWx Studies
    • Equipment & Siting: Does It Affect Accuracy?
    • Elevation & Terrain: Do the Hills Run Colder?
    • Where Does Chester County End? The 3-Mile Rule
    • Raw vs NCEI: State by State
      • Raw vs NCEI: Contiguous U.S.
      • Raw vs NCEI: Pennsylvania
      • Raw vs NCEI: New Jersey
      • Raw vs NCEI: Delaware
      • Raw vs NCEI: New York
      • Raw vs NCEI: Maryland
      • Raw vs NCEI: West Virginia
      • Raw vs NCEI: Ohio
      • Raw vs NCEI: Connecticut
      • Raw vs NCEI: Rhode Island
      • Raw vs NCEI: Massachusetts
      • Raw vs NCEI: New Hampshire
      • Raw vs NCEI: Maine
      • Raw vs NCEI: Vermont
    • PHL Airport vs Its Neighbors
  • Past Climate Summaries
    • Annual & Monthly Summaries
      • 1870’s
      • 1880’s
      • 1890’s
      • 1900’s
      • 1910’s
      • 1920’s
      • 1930’s
      • 1940’s
      • 1950’s
      • 1960’s
      • 1970’s
      • 1980’s
      • 1990’s
      • 2000’s
      • 2010’s
      • 2020’s
  • Climate Records
    • Monthly Records
    • Annual Records
  • Climate Trends
    • Trends on Demand
  • Snow History & Climatology
    • Average Snowfall Map
    • Biggest Snowstorms
    • Biggest Snowstorms, Mapped
    • Snow Season Totals
    • Station & Spotter Snow History
    • How We Measure Snow
    • Snow Seasons
    • Top Snowfalls by Season
    • Top Snowfalls by Month
    • White Christmas History
  • In The News
  • Historical Weather Photos

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