Weather History for Lancaster, PA

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Monday, September 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 75 °F 76 °F 93 °F (1991)
Min Temperature 48 °F 54 °F 35 °F (1986)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 72    
Maximum Humidity 93    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 3 mph (South)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 9 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 17, 2012 Rise Set
Actual Time 6:48 AM EDT 7:09 PM EDT
Civil Twilight 6:21 AM EDT 7:36 PM EDT
Nautical Twilight 5:49 AM EDT 8:08 PM EDT
Astronomical Twilight 5:16 AM EDT 8:41 PM EDT
Moon 8:35 AM EDT (9/17) 7:50 PM EDT (9/17)
Length of Visible Light 13h 15m
Length of Day
12h 21m
Waxing Crescent, 3% of the Moon is Illuminated
Sep 17
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 52.0 °F 48.0 °F 86% 30.10 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 53.1 °F 48.0 °F 83% 30.11 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 48.9 °F 46.0 °F 90% 30.11 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 48.9 °F 46.9 °F 93% 30.11 in 7.0 mi Calm Calm - N/A   Clear
4:53 AM 48.0 °F 46.0 °F 93% 30.12 in 8.0 mi Calm Calm - N/A   Clear
5:53 AM 48.0 °F 45.0 °F 89% 30.12 in 9.0 mi Calm Calm - N/A   Clear
6:43 AM 48.2 °F 44.6 °F 87% 30.12 in 1.5 mi Calm Calm - N/A   Clear
6:53 AM 48.0 °F 45.0 °F 89% 30.12 in 3.0 mi Calm Calm - N/A   Clear
8:53 AM 55.9 °F 51.1 °F 84% 30.14 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 68.0 °F 53.1 °F 59% 30.12 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 71.1 °F 51.1 °F 49% 30.10 in 10.0 mi South 6.9 mph - N/A   Clear
12:53 PM 73.0 °F 48.9 °F 42% 30.09 in 10.0 mi South 10.4 mph - N/A   Clear
1:53 PM 73.9 °F 53.1 °F 48% 30.06 in 10.0 mi South 8.1 mph - N/A   Clear
2:53 PM 73.9 °F 54.0 °F 50% 30.04 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
3:53 PM 73.9 °F 54.0 °F 50% 30.03 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
4:53 PM 73.0 °F 55.0 °F 53% 30.01 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
5:53 PM 71.1 °F 57.0 °F 61% 30.02 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
6:53 PM 69.1 °F 57.0 °F 65% 30.01 in 10.0 mi South 11.5 mph - N/A   Clear
7:53 PM 69.1 °F 57.9 °F 68% 30.01 in 10.0 mi South 8.1 mph - N/A   Overcast
8:53 PM 69.1 °F 59.0 °F 70% 30.01 in 10.0 mi South 6.9 mph - N/A   Overcast
9:53 PM 68.0 °F 60.1 °F 76% 30.01 in 10.0 mi SSE 6.9 mph - N/A   Overcast
10:53 PM 66.9 °F 60.1 °F 79% 29.99 in 10.0 mi SE 4.6 mph - N/A   Overcast
11:53 PM 66.9 °F 61.0 °F 81% 29.98 in 10.0 mi ESE 4.6 mph - N/A   Overcast