Weather History for Johnstown, PA

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 68 °F  
Max Temperature 76 °F 76 °F 98 °F (1983)
Min Temperature 56 °F 59 °F 44 °F (1929)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 47 16  
Since 1 June heating degree days 133 103  
Since 1 July heating degree days 70 29  
Cooling Degree Days 1 4  
Month to date cooling degree days 30 87  
Year to date cooling degree days 301 330  
Since 1 June cooling degree days 260 312  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 73    
Maximum Humidity 100    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in 0.12 in 1.80 in (1990)
Month to date precipitation 4.77 2.55  
Year to date precipitation 24.16 23.04  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 4 mph (WSW)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 7 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 20, 2013 Rise Set
Actual Time 6:31 AM EDT 8:05 PM EDT
Civil Twilight 6:02 AM EDT 8:33 PM EDT
Nautical Twilight 5:27 AM EDT 9:08 PM EDT
Astronomical Twilight 4:51 AM EDT 9:44 PM EDT
Moon 7:35 PM EDT (8/20) 5:59 AM EDT (8/20)
Length of Visible Light 14h 31m
Length of Day
13h 33m
Full, 100% of the Moon is Illuminated
Aug 20
Full
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 63.0 °F 61.0 °F 93% 30.15 in 8.0 mi SSW 5.8 mph - N/A   Clear
1:54 AM 62.1 °F 60.1 °F 93% 30.14 in 9.0 mi SW 4.6 mph - N/A   Clear
2:54 AM 59.0 °F 57.9 °F 96% 30.14 in 7.0 mi WSW 5.8 mph - N/A   Clear
3:54 AM 59.0 °F 57.9 °F 96% 30.14 in 6.0 mi WSW 4.6 mph - N/A   Clear
4:40 AM 57.2 °F 57.2 °F 100% 30.17 in 1.8 mi WSW 4.6 mph - N/A   Clear
4:43 AM 57.2 °F 57.2 °F 100% 30.17 in 1.0 mi WSW 4.6 mph - 0.01 in   Mist
4:49 AM 57.2 °F 57.2 °F 100% 30.17 in 0.2 mi WSW 4.6 mph - 0.01 in Fog Fog
4:50 AM 57.0 °F 57.0 °F 100% 30.15 in 0.2 mi WSW 4.6 mph - 0.01 in Fog Fog
5:08 AM 57.2 °F 57.2 °F 100% 30.18 in 1.0 mi SW 5.8 mph - N/A   Mist
5:14 AM 57.2 °F 57.2 °F 100% 30.18 in 2.5 mi SW 5.8 mph - N/A   Scattered Clouds
5:23 AM 57.2 °F 57.2 °F 100% 30.18 in 4.0 mi SW 6.9 mph - N/A   Partly Cloudy
5:44 AM 57.2 °F 57.2 °F 100% 30.19 in 2.5 mi SW 5.8 mph - N/A   Mostly Cloudy
5:47 AM 57.2 °F 57.2 °F 100% 30.19 in 3.0 mi SW 5.8 mph - N/A   Scattered Clouds
5:54 AM 57.9 °F 57.9 °F 100% 30.17 in 5.0 mi SW 5.8 mph - N/A   Mostly Cloudy
6:54 AM 57.0 °F 55.9 °F 96% 30.20 in 4.0 mi SW 5.8 mph - N/A   Scattered Clouds
7:54 AM 59.0 °F 57.0 °F 93% 30.21 in 6.0 mi SW 5.8 mph - N/A   Clear
8:54 AM 62.1 °F 57.9 °F 86% 30.22 in 9.0 mi Calm Calm - N/A   Clear
9:54 AM 66.9 °F 60.1 °F 79% 30.22 in 10.0 mi WNW 3.5 mph - N/A   Clear
10:54 AM 69.1 °F 57.0 °F 65% 30.23 in 10.0 mi WSW 3.5 mph - N/A   Clear
11:54 AM 70.0 °F 55.0 °F 59% 30.23 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
12:54 PM 71.1 °F 55.9 °F 59% 30.23 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
1:54 PM 73.0 °F 53.1 °F 49% 30.22 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:54 PM 75.0 °F 54.0 °F 48% 30.21 in 10.0 mi North 4.6 mph - N/A   Clear
3:54 PM 75.0 °F 55.9 °F 51% 30.19 in 10.0 mi WNW 4.6 mph - N/A   Clear
4:54 PM 75.0 °F 55.0 °F 50% 30.18 in 10.0 mi NNW 6.9 mph - N/A   Clear
5:54 PM 73.9 °F 55.0 °F 52% 30.18 in 10.0 mi West 4.6 mph - N/A   Clear
6:54 PM 73.0 °F 54.0 °F 51% 30.18 in 10.0 mi NW 4.6 mph - N/A   Clear
7:54 PM 70.0 °F 55.9 °F 61% 30.19 in 10.0 mi NNW 4.6 mph - N/A   Clear
8:54 PM 69.1 °F 57.0 °F 65% 30.21 in 10.0 mi NNW 3.5 mph - N/A   Clear
9:54 PM 66.9 °F 55.0 °F 66% 30.22 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 66.0 °F 55.9 °F 70% 30.21 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 64.9 °F 55.9 °F 73% 30.21 in 10.0 mi Calm Calm - N/A   Clear