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      • 1890s
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    • Monthly – Seasonal Trends
      • Winter
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    • Actual Raw vs. NOAA Estimated Data
    • Chester County vs. PHL Airport Heat Island
  • All Things Winter Weather
    • Largest Snowstorms and Snow by Seasons
    • Top Snowfalls by Month
  • In The News
  • Historical Weather Photos
    • Winter Photos
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    • Fall Photos
cropped cropped chescowx 7.png
  • HOME
  • Data Quality & Chester County Climate Overview
    • Detailed Station Data Sources
    • Chester County Climate Overview
  • Past Climate Summaries
    • Annual Summaries
      • 1890s
      • 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
    • Monthly Summaries
      • 2020
      • 2021
      • 2022
      • 2023
      • 2024
      • 2025
  • Climate Records
    • Monthly Records
    • Annual Records
  • Climate Trends
    • Annual Trends
      • Precipitation
      • Snowfall
      • Temperature
    • Monthly – Seasonal Trends
      • Winter
      • Spring
      • Summer
      • Fall
    • Actual Raw vs. NOAA Estimated Data
    • Chester County vs. PHL Airport Heat Island
  • All Things Winter Weather
    • Largest Snowstorms and Snow by Seasons
    • Top Snowfalls by Month
  • In The News
  • Historical Weather Photos
    • Winter Photos
    • Spring Photos
    • Summer Photos
    • Fall Photos

1940's

1940 climate summary
1941 climate summary
1942 climate summary
1943 climate summary
1944 climate summary
1945 climate summary
1946 climate summary
1947 climate summary
1948 climate summary
1949 climate summary

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