CLIMATOLOGY -
Normals, Extremes, Records
These monthly data files contain the daily climatological norms, as well as record temperature and precipitation values.
January
February
March
April
May
June
July
August
September
October
November
December
Normal Precipitation Data (Daily, Month- and Year-to-Date)
January
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February
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March
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April
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May
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June
July
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August
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September
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October
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November
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December
More monthly climatological analysis:
Monthly temperature departures
Most- and Least-Ever Monthly Precipitation
Graph of Normal High/Low Temp vs. Julian Day
Seasonal Snowfall Totals for Lancaster 1930/31 through 1999/2000
Normal monthly high/low temperature, precipitation and heating/cooling degree days.
Monthly and annual precipitation data since 1968.
Histogram of precipitation occurrence by amount and month.
Monthly snowfall: Winter seasons 1977-78 to 1999-2000.
Histograms of Daily Temperature and Precipitation Data.
Maximum Temperatures
Minimum Temperatures
Precipitation
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December