Weather History for Lancaster, PA

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Monday, December 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 44 °F -  
Max Temperature 46 °F 42 °F 60 °F (1984)
Min Temperature 42 °F 27 °F 11 °F (1989)
Degree Days  
Heating Degree Days 21    
Moisture  
Dew Point 43 °F    
Average Humidity 94    
Maximum Humidity 100    
Minimum Humidity 90    
Precipitation  
Precipitation 0.29 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 6 mph (East)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 2 miles    
Events Fog , Rain    
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

Dec. 17, 2012 Rise Set
Actual Time 7:21 AM EST 4:41 PM EST
Civil Twilight 6:51 AM EST 5:11 PM EST
Nautical Twilight 6:17 AM EST 5:46 PM EST
Astronomical Twilight 5:44 AM EST 6:19 PM EST
Moon 10:29 AM EST (12/17) 10:00 PM EST (12/17)
Length of Visible Light 10h 20m
Length of Day
9h 19m
Waxing Crescent, 24% of the Moon is Illuminated
Dec 17
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:38 AM 46.4 °F 45.2 °F 44.6 °F 93% 29.86 in 4.0 mi East 3.5 mph - 0.04 in Rain Light Rain
12:53 AM 45.0 °F 41.8 °F 44.1 °F 97% 29.85 in 3.0 mi East 5.8 mph - 0.05 in Rain Light Rain
1:12 AM 44.6 °F 42.2 °F 44.6 °F 100% 29.83 in 3.0 mi East 4.6 mph - 0.01 in   Overcast
1:26 AM 44.6 °F 42.2 °F 44.6 °F 100% 29.83 in 3.0 mi East 4.6 mph - 0.01 in   Overcast
1:36 AM 46.4 °F 43.5 °F 44.6 °F 93% 29.83 in 2.5 mi East 5.8 mph - 0.01 in   Overcast
1:49 AM 44.6 °F 41.4 °F 44.6 °F 100% 29.82 in 2.0 mi ENE 5.8 mph - 0.01 in   Overcast
1:53 AM 46.0 °F 43.1 °F 44.1 °F 93% 29.83 in 2.0 mi ENE 5.8 mph - 0.01 in   Overcast
2:09 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.84 in 3.0 mi ENE 4.6 mph - N/A   Overcast
2:53 AM 45.0 °F 41.8 °F 43.0 °F 93% 29.85 in 4.0 mi ENE 5.8 mph - N/A   Overcast
3:35 AM 44.6 °F 41.4 °F 42.8 °F 93% 29.84 in 2.0 mi East 5.8 mph - N/A   Overcast
3:45 AM 44.6 °F 41.4 °F 42.8 °F 93% 29.84 in 1.5 mi ENE 5.8 mph - N/A   Overcast
3:53 AM 45.0 °F 41.8 °F 43.0 °F 93% 29.84 in 1.2 mi ENE 5.8 mph - N/A   Overcast
4:53 AM 44.1 °F 40.1 °F 42.1 °F 93% 29.84 in 1.2 mi East 6.9 mph - N/A   Overcast
5:23 AM 44.6 °F 40.7 °F 42.8 °F 93% 29.83 in 0.8 mi ENE 6.9 mph - N/A   Mist
5:38 AM 44.6 °F 41.4 °F 42.8 °F 93% 29.83 in 1.0 mi ENE 5.8 mph - N/A   Overcast
5:53 AM 44.1 °F 40.1 °F 42.1 °F 93% 29.83 in 1.0 mi East 6.9 mph - N/A   Overcast
6:53 AM 44.1 °F 39.5 °F 42.1 °F 93% 29.84 in 1.5 mi East 8.1 mph - N/A   Overcast
7:38 AM 44.6 °F 41.4 °F 42.8 °F 93% 29.84 in 2.0 mi ENE 5.8 mph - N/A   Overcast
7:50 AM 44.6 °F 41.4 °F 42.8 °F 93% 29.84 in 1.5 mi ENE 5.8 mph - N/A   Overcast
7:53 AM 44.1 °F 40.8 °F 42.1 °F 93% 29.85 in 1.5 mi NE 5.8 mph - N/A   Overcast
8:53 AM 43.0 °F 38.8 °F 41.0 °F 93% 29.87 in 1.5 mi NE 6.9 mph - N/A   Overcast
9:53 AM 44.1 °F 39.5 °F 42.1 °F 93% 29.86 in 2.0 mi East 8.1 mph - N/A   Overcast
10:24 AM 44.6 °F 40.7 °F 42.8 °F 93% 29.86 in 3.0 mi East 6.9 mph - 0.00 in Rain Light Rain
10:53 AM 45.0 °F 40.6 °F 43.0 °F 93% 29.86 in 4.0 mi East 8.1 mph - 0.01 in Rain Light Rain
11:05 AM 44.6 °F 39.7 °F 42.8 °F 93% 29.85 in 4.0 mi East 9.2 mph - 0.00 in   Overcast
11:53 AM 45.0 °F 41.2 °F 43.0 °F 93% 29.83 in 4.0 mi East 6.9 mph - 0.00 in   Overcast
12:53 PM 45.0 °F 41.2 °F 42.1 °F 90% 29.81 in 5.0 mi East 6.9 mph - N/A   Overcast
1:51 PM 44.6 °F 39.7 °F 42.8 °F 93% 29.77 in 3.0 mi East 9.2 mph - N/A   Overcast
1:53 PM 44.1 °F 38.6 °F 42.1 °F 93% 29.77 in 3.0 mi ENE 10.4 mph - N/A   Overcast
2:04 PM 44.6 °F 40.2 °F 42.8 °F 93% 29.77 in 2.5 mi ENE 8.1 mph - N/A   Overcast
2:27 PM 44.6 °F 40.7 °F 42.8 °F 93% 29.76 in 1.5 mi East 6.9 mph - N/A   Overcast
2:53 PM 44.1 °F 39.5 °F 42.1 °F 93% 29.78 in 1.5 mi East 8.1 mph - N/A   Overcast
3:18 PM 44.6 °F 40.7 °F 42.8 °F 93% 29.75 in 0.5 mi East 6.9 mph - N/A Fog Fog
3:53 PM 44.1 °F 39.5 °F 42.1 °F 93% 29.76 in 0.5 mi East 8.1 mph - N/A Fog Fog
4:11 PM 42.8 °F 38.6 °F 42.8 °F 100% 29.76 in 0.2 mi East 6.9 mph - N/A Fog Fog
4:40 PM 42.8 °F 37.0 °F 42.8 °F 100% 29.73 in 0.8 mi East 10.4 mph - N/A   Mist
4:53 PM 43.0 °F 37.7 °F 42.1 °F 97% 29.75 in 0.8 mi East 9.2 mph - N/A   Mist
7:53 PM 43.0 °F 37.7 °F 42.1 °F 97% 29.68 in 0.2 mi East 9.2 mph - N/A Fog Fog
8:20 PM 42.8 °F 37.5 °F 42.8 °F 100% 29.66 in 0.5 mi East 9.2 mph - N/A Fog Fog
8:53 PM 43.0 °F 39.5 °F 42.1 °F 97% 29.66 in 0.8 mi East 5.8 mph - N/A   Mist
9:53 PM 44.1 °F 39.5 °F 43.0 °F 96% 29.61 in 1.0 mi East 8.1 mph - 0.03 in Rain Light Rain
10:50 PM 44.6 °F 40.2 °F 42.8 °F 93% 29.58 in 2.0 mi East 8.1 mph - 0.14 in Rain Rain
10:53 PM 44.1 °F 39.0 °F 43.0 °F 96% 29.58 in 1.8 mi East 9.2 mph - 0.16 in Rain Heavy Rain
11:11 PM 44.6 °F 40.7 °F 42.8 °F 93% 29.57 in 2.0 mi East 6.9 mph - 0.02 in Rain Light Rain
11:27 PM 44.6 °F 41.4 °F 44.6 °F 100% 29.57 in 4.0 mi East 5.8 mph - 0.03 in Rain Light Rain
11:53 PM 45.0 °F 41.8 °F 43.0 °F 93% 29.56 in 4.0 mi East 5.8 mph - 0.03 in Rain Light Rain