Weather History for Johnstown, PA

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F 58 °F  
Max Temperature 82 °F 67 °F 97 °F (1911)
Min Temperature 62 °F 49 °F 29 °F (2002)
Degree Days  
Heating Degree Days 0 8  
Month to date heating degree days 211  
Since 1 July heating degree days 6542  
Cooling Degree Days 7 1  
Month to date cooling degree days 8  
Year to date cooling degree days 13  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 71    
Maximum Humidity 94    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.17 in 1.42 in (1915)
Month to date precipitation 2.90  
Year to date precipitation 15.01  
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 10 mph    
Max Gust Speed 17 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

May. 21, 2013 Rise Set
Actual Time 5:54 AM EDT 8:30 PM EDT
Civil Twilight 5:22 AM EDT 9:01 PM EDT
Nautical Twilight 4:43 AM EDT 9:41 PM EDT
Astronomical Twilight 3:59 AM EDT 10:25 PM EDT
Moon 4:41 PM EDT (5/21) 3:21 AM EDT (5/21)
Length of Visible Light 15h 39m
Length of Day
14h 36m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 64.9 °F - 61.0 °F 87% 29.99 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
1:54 AM 66.0 °F - 61.0 °F 84% 29.96 in 10.0 mi South 5.8 mph - N/A   Clear
2:54 AM 64.9 °F - 61.0 °F 87% 29.96 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
3:28 AM 62.6 °F - 60.8 °F 94% 30.00 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
3:54 AM 64.9 °F - 61.0 °F 87% 29.96 in 10.0 mi SSW 6.9 mph - N/A   Clear
4:54 AM 63.0 °F - 61.0 °F 93% 29.98 in 6.0 mi SW 6.9 mph - N/A   Clear
5:54 AM 64.0 °F - 61.0 °F 90% 29.98 in 5.0 mi SSW 6.9 mph - N/A   Clear
6:54 AM 64.0 °F - 61.0 °F 90% 29.99 in 5.0 mi SW 8.1 mph - N/A   Clear
7:28 AM 64.4 °F - 60.8 °F 88% 30.04 in 6.0 mi SW 5.8 mph - N/A   Mostly Cloudy
7:39 AM 64.4 °F - 60.8 °F 88% 30.04 in 6.0 mi SSW 5.8 mph - N/A   Partly Cloudy
7:54 AM 66.0 °F - 61.0 °F 84% 29.99 in 7.0 mi SSW 5.8 mph - N/A   Clear
8:54 AM 68.0 °F - 62.1 °F 81% 29.99 in 8.0 mi SW 5.8 mph - N/A   Partly Cloudy
9:54 AM 72.0 °F - 64.0 °F 76% 29.99 in 9.0 mi WSW 5.8 mph - N/A   Clear
10:43 AM 73.4 °F - 64.4 °F 73% 30.03 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
10:52 AM 73.4 °F - 64.4 °F 73% 30.03 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
10:54 AM 73.9 °F - 63.0 °F 68% 29.98 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
11:54 AM 77.0 °F - 62.1 °F 60% 29.97 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
12:54 PM 78.1 °F - 59.0 °F 52% 29.96 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
1:54 PM 80.1 °F 80.7 °F 59.0 °F 48% 29.94 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
2:54 PM 81.0 °F 81.3 °F 59.0 °F 47% 29.91 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
3:54 PM 82.0 °F 82.1 °F 59.0 °F 45% 29.90 in 10.0 mi SSW 8.1 mph 16.1 mph N/A   Partly Cloudy
4:54 PM 80.1 °F 80.4 °F 57.0 °F 45% 29.89 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
5:54 PM 81.0 °F 81.0 °F 57.0 °F 44% 29.87 in 10.0 mi South 10.4 mph 17.3 mph N/A   Clear
6:54 PM 79.0 °F - 57.9 °F 48% 29.87 in 10.0 mi SSW 9.2 mph - N/A   Clear
7:54 PM 77.0 °F - 59.0 °F 54% 29.88 in 10.0 mi SW 5.8 mph - N/A   Clear
8:54 PM 73.9 °F - 59.0 °F 59% 29.88 in 10.0 mi SW 5.8 mph - N/A   Clear
9:54 PM 71.1 °F - 59.0 °F 66% 29.90 in 10.0 mi WSW 5.8 mph - N/A   Clear
10:54 PM 70.0 °F - 60.1 °F 71% 29.90 in 10.0 mi SW 5.8 mph - N/A   Clear
11:54 PM 69.1 °F - 60.1 °F 73% 29.90 in 10.0 mi SW 6.9 mph - N/A   Clear