Weather History for Butler, PA

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Friday, February 21, 2014

  Actual Average Record
Temperature  
Mean Temperature 44 °F -  
Max Temperature 53 °F 37 °F 71 °F (1997)
Min Temperature 35 °F 22 °F -11 °F (1978)
Degree Days  
Heating Degree Days 21    
Moisture  
Dew Point 32 °F    
Average Humidity 64    
Maximum Humidity 93    
Minimum Humidity 41    
Precipitation  
Precipitation 0.32 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.74 in    
Wind  
Wind Speed 12 mph (SSW)    
Max Wind Speed 25 mph    
Max Gust Speed 37 mph    
Visibility 10 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

Feb. 21, 2014 Rise Set
Actual Time 7:05 AM EST 6:01 PM EST
Civil Twilight 6:37 AM EST 6:29 PM EST
Nautical Twilight 6:05 AM EST 7:01 PM EST
Astronomical Twilight 5:34 AM EST 7:33 PM EST
Moon No Moon Rise 10:26 AM EST (2/21)
Length of Visible Light 11h 51m
Length of Day
10h 56m
Waning Gibbous, 61% of the Moon is Illuminated
Feb 21
Waning Gibbous
Feb 22
Last Quarter
Mar 1
New
Mar 8
First Quarter
Mar 16
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 51.8 °F - 42.8 °F 71% 29.69 in 10.0 mi SE 5.8 mph - N/A   Overcast
12:35 AM 51.8 °F - 42.8 °F 71% 29.68 in 10.0 mi SSE 6.9 mph - N/A   Overcast
12:55 AM 51.8 °F - 42.8 °F 71% 29.67 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
1:15 AM 51.8 °F - 41.0 °F 67% 29.66 in 10.0 mi SE 5.8 mph - N/A   Overcast
1:35 AM 51.8 °F - 41.0 °F 67% 29.65 in 10.0 mi SE 6.9 mph - N/A   Overcast
1:55 AM 51.8 °F - 41.0 °F 67% 29.64 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
2:15 AM 51.8 °F - 41.0 °F 67% 29.63 in 10.0 mi SE 5.8 mph - N/A   Overcast
2:35 AM 51.8 °F - 42.8 °F 71% 29.62 in 10.0 mi SE 6.9 mph - N/A   Overcast
2:55 AM 51.8 °F - 42.8 °F 71% 29.61 in 10.0 mi SSE 8.1 mph - N/A   Overcast
3:15 AM 53.6 °F - 42.8 °F 67% 29.60 in 10.0 mi SSE 9.2 mph - N/A   Overcast
3:35 AM 53.6 °F - 42.8 °F 67% 29.59 in 10.0 mi SSE 6.9 mph - N/A   Overcast
3:55 AM 53.6 °F - 42.8 °F 67% 29.61 in 10.0 mi South 10.4 mph - N/A   Overcast
4:15 AM 53.6 °F - 46.4 °F 77% 29.61 in 10.0 mi South 13.8 mph 25.3 mph 0.01 in   Mostly Cloudy
4:35 AM 53.6 °F - 46.4 °F 77% 29.61 in 10.0 mi SSW 17.3 mph 23.0 mph 0.01 in   Overcast
4:55 AM 53.6 °F - 48.2 °F 82% 29.60 in 10.0 mi South 10.4 mph 21.9 mph 0.02 in   Mostly Cloudy
5:15 AM 51.8 °F - 46.4 °F 82% 29.59 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
5:35 AM 51.8 °F - 46.4 °F 82% 29.58 in 10.0 mi South 12.7 mph - N/A   Scattered Clouds
5:55 AM 51.8 °F - 46.4 °F 82% 29.58 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
6:15 AM 51.8 °F - 48.2 °F 88% 29.59 in 10.0 mi South 9.2 mph 18.4 mph 0.03 in   Overcast
6:35 AM 51.8 °F - 48.2 °F 88% 29.58 in 8.0 mi South 10.4 mph - 0.06 in   Overcast
6:55 AM 51.8 °F - 48.2 °F 88% 29.59 in 9.0 mi South 10.4 mph - 0.08 in   Overcast
7:15 AM 48.2 °F - 44.6 °F 87% 29.64 in 9.0 mi WSW 18.4 mph 25.3 mph 0.08 in   Overcast
7:35 AM 46.4 °F 40.7 °F 44.6 °F 93% 29.63 in 9.0 mi WSW 12.7 mph 19.6 mph 0.12 in   Mostly Cloudy
7:55 AM 46.4 °F 39.5 °F 42.8 °F 87% 29.67 in 5.0 mi WSW 17.3 mph 25.3 mph 0.15 in   Overcast
8:15 AM 41.0 °F 32.5 °F 37.4 °F 87% 29.69 in 8.0 mi WSW 17.3 mph 29.9 mph 0.07 in   Overcast
8:35 AM 39.2 °F 29.3 °F 33.8 °F 81% 29.72 in 10.0 mi WSW 20.7 mph 31.1 mph 0.07 in   Overcast
8:55 AM 37.4 °F 27.5 °F 32.0 °F 81% 29.74 in 10.0 mi WSW 18.4 mph 24.2 mph 0.07 in   Overcast
9:15 AM 37.4 °F 28.5 °F 30.2 °F 75% 29.75 in 9.0 mi WSW 15.0 mph 36.8 mph N/A   Overcast
9:35 AM 35.6 °F 26.6 °F 30.2 °F 81% 29.75 in 10.0 mi SW 13.8 mph 23.0 mph N/A   Overcast
9:55 AM 35.6 °F 28.0 °F 30.2 °F 81% 29.75 in 10.0 mi SSW 10.4 mph 20.7 mph N/A   Overcast
10:35 AM 37.4 °F 29.8 °F 28.4 °F 70% 29.78 in 10.0 mi SSW 11.5 mph 17.3 mph N/A   Mostly Cloudy
10:55 AM 37.4 °F 30.3 °F 28.4 °F 70% 29.77 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
11:15 AM 37.4 °F 28.9 °F 28.4 °F 70% 29.77 in 10.0 mi SSW 13.8 mph 20.7 mph N/A   Overcast
11:35 AM 39.2 °F 30.2 °F 28.4 °F 65% 29.76 in 10.0 mi South 17.3 mph 24.2 mph N/A   Overcast
11:55 AM 39.2 °F 29.8 °F 30.2 °F 70% 29.76 in 10.0 mi SW 18.4 mph 25.3 mph N/A   Overcast
12:15 PM 39.2 °F 29.8 °F 30.2 °F 70% 29.76 in 10.0 mi SW 18.4 mph 26.5 mph N/A   Overcast
12:35 PM 39.2 °F 29.8 °F 30.2 °F 70% 29.74 in 10.0 mi SSW 18.4 mph 25.3 mph N/A   Overcast
12:55 PM 39.2 °F 29.3 °F 28.4 °F 65% 29.74 in 10.0 mi SW 20.7 mph 28.8 mph N/A   Overcast
1:15 PM 41.0 °F 32.5 °F 28.4 °F 61% 29.73 in 10.0 mi SW 17.3 mph 25.3 mph N/A   Overcast
1:35 PM 42.8 °F 33.1 °F 30.2 °F 61% 29.72 in 10.0 mi SW 25.3 mph 35.7 mph N/A   Mostly Cloudy
1:55 PM 42.8 °F 33.5 °F 30.2 °F 61% 29.72 in 10.0 mi SW 23.0 mph 32.2 mph N/A   Mostly Cloudy
2:15 PM 42.8 °F 34.8 °F 30.2 °F 61% 29.72 in 10.0 mi SW 17.3 mph 29.9 mph N/A   Overcast
2:35 PM 42.8 °F 33.8 °F 28.4 °F 57% 29.73 in 10.0 mi SW 21.9 mph 36.8 mph N/A   Mostly Cloudy
2:55 PM 42.8 °F 33.8 °F 28.4 °F 57% 29.74 in 10.0 mi SW 21.9 mph 32.2 mph N/A   Mostly Cloudy
3:15 PM 42.8 °F 33.5 °F 28.4 °F 57% 29.73 in 10.0 mi SW 23.0 mph 31.1 mph N/A   Overcast
3:35 PM 42.8 °F 34.5 °F 28.4 °F 57% 29.74 in 10.0 mi SW 18.4 mph 31.1 mph N/A   Overcast
3:55 PM 44.6 °F 36.9 °F 28.4 °F 53% 29.75 in 10.0 mi SW 18.4 mph 33.4 mph N/A   Mostly Cloudy
4:15 PM 44.6 °F 37.8 °F 28.4 °F 53% 29.76 in 10.0 mi WSW 15.0 mph 28.8 mph N/A   Overcast
4:35 PM 42.8 °F 34.0 °F 26.6 °F 53% 29.77 in 10.0 mi WSW 20.7 mph 33.4 mph N/A   Mostly Cloudy
4:55 PM 42.8 °F 34.3 °F 24.8 °F 49% 29.79 in 10.0 mi WSW 19.6 mph 24.2 mph N/A   Scattered Clouds
5:15 PM 42.8 °F 34.8 °F 24.8 °F 49% 29.80 in 10.0 mi WSW 17.3 mph 28.8 mph N/A   Mostly Cloudy
5:35 PM 42.8 °F 33.5 °F 23.0 °F 46% 29.81 in 10.0 mi WSW 23.0 mph 33.4 mph N/A   Mostly Cloudy
5:55 PM 41.0 °F 32.8 °F 23.0 °F 49% 29.82 in 10.0 mi WSW 16.1 mph 29.9 mph N/A   Partly Cloudy
6:15 PM 39.2 °F 30.5 °F 21.2 °F 49% 29.83 in 10.0 mi SW 16.1 mph 21.9 mph N/A   Clear
6:35 PM 39.2 °F 31.6 °F 21.2 °F 49% 29.83 in 10.0 mi SW 12.7 mph 25.3 mph N/A   Clear
6:55 PM 39.2 °F 31.6 °F 21.2 °F 49% 29.85 in 10.0 mi SW 12.7 mph 18.4 mph N/A   Clear
7:15 PM 39.2 °F 32.0 °F 21.2 °F 49% 29.85 in 10.0 mi SW 11.5 mph 17.3 mph N/A   Clear
7:35 PM 39.2 °F 30.2 °F 21.2 °F 49% 29.86 in 10.0 mi SW 17.3 mph 23.0 mph N/A   Clear
7:55 PM 39.2 °F 30.8 °F 21.2 °F 49% 29.86 in 10.0 mi SW 15.0 mph 21.9 mph N/A   Clear
8:15 PM 39.2 °F 32.0 °F 21.2 °F 49% 29.87 in 10.0 mi SW 11.5 mph 21.9 mph N/A   Clear
8:35 PM 39.2 °F 30.2 °F 19.4 °F 45% 29.87 in 10.0 mi SW 17.3 mph 24.2 mph N/A   Clear
8:55 PM 39.2 °F 30.2 °F 19.4 °F 45% 29.88 in 10.0 mi SW 17.3 mph 29.9 mph N/A   Clear
9:15 PM 39.2 °F 29.6 °F 19.4 °F 45% 29.89 in 10.0 mi WSW 19.6 mph 25.3 mph N/A   Clear
9:35 PM 39.2 °F 30.2 °F 17.6 °F 42% 29.90 in 10.0 mi WSW 17.3 mph 24.2 mph N/A   Clear
9:55 PM 37.4 °F 28.2 °F 17.6 °F 45% 29.91 in 10.0 mi SW 16.1 mph 24.2 mph N/A   Clear
10:15 PM 37.4 °F 28.2 °F 17.6 °F 45% 29.91 in 10.0 mi WSW 16.1 mph 27.6 mph N/A   Clear
10:35 PM 37.4 °F 28.5 °F 15.8 °F 41% 29.92 in 10.0 mi WSW 15.0 mph 23.0 mph N/A   Clear
10:55 PM 37.4 °F 28.2 °F 15.8 °F 41% 29.93 in 10.0 mi SW 16.1 mph 24.2 mph N/A   Clear
11:15 PM 37.4 °F 29.8 °F 15.8 °F 41% 29.94 in 10.0 mi WSW 11.5 mph 23.0 mph N/A   Clear
11:35 PM 35.6 °F 28.6 °F 15.8 °F 44% 29.93 in 10.0 mi SW 9.2 mph - N/A   Clear
11:55 PM 35.6 °F 28.6 °F 15.8 °F 44% 29.95 in 10.0 mi SW 9.2 mph - N/A   Clear