Weather History for Williamsport, PA

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Saturday, December 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 40 °F 30 °F  
Max Temperature 46 °F 36 °F 60 °F (1895)
Min Temperature 34 °F 23 °F -3 °F (1980)
Degree Days  
Heating Degree Days 25 35  
Month to date heating degree days 741 681  
Since 1 July heating degree days 1984 1926  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 863 702  
Moisture  
Dew Point 38 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 79    
Precipitation  
Precipitation 0.28 in 0.09 in 1.32 in (1905)
Month to date precipitation 2.40 2.13  
Year to date precipitation 31.45 40.48  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 11.8  
Since 1 July snowfall 14.0  
Snow Depth 4.00 in    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 1 mph (East)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 3 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 21, 2013 Rise Set
Actual Time 7:30 AM EST 4:41 PM EST
Civil Twilight 6:58 AM EST 5:13 PM EST
Nautical Twilight 6:23 AM EST 5:48 PM EST
Astronomical Twilight 5:50 AM EST 6:21 PM EST
Moon 8:58 PM EST (12/21) 9:53 AM EST (12/21)
Length of Visible Light 10h 14m
Length of Day
9h 11m
Waning Gibbous, 84% of the Moon is Illuminated
Dec 21
Waning Gibbous
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:17 AM 35.6 °F - 32.0 °F 87% 29.93 in 4.0 mi Calm Calm - N/A   Overcast
12:54 AM 35.1 °F - 32.0 °F 89% 29.95 in 5.0 mi Calm Calm - N/A   Overcast
1:54 AM 34.0 °F - 32.0 °F 92% 29.95 in 4.0 mi Calm Calm - N/A   Overcast
2:54 AM 35.1 °F - 32.0 °F 89% 29.94 in 5.0 mi Calm Calm - N/A   Overcast
3:54 AM 35.1 °F - 32.0 °F 89% 29.93 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
4:54 AM 35.1 °F - 32.0 °F 89% 29.94 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
5:54 AM 35.1 °F - 32.0 °F 89% 29.93 in 4.0 mi Calm Calm - 0.00 in   Clear
6:54 AM 34.0 °F 29.8 °F 32.0 °F 92% 29.96 in 4.0 mi WSW 4.6 mph - 0.00 in Rain Light Rain
7:54 AM 35.1 °F - 33.1 °F 92% 29.95 in 3.0 mi Calm Calm - 0.00 in   Mostly Cloudy
8:54 AM 36.0 °F - 33.1 °F 89% 29.96 in 4.0 mi Calm Calm - N/A   Overcast
9:54 AM 37.9 °F - 34.0 °F 86% 29.95 in 4.0 mi Calm Calm - N/A   Overcast
10:54 AM 39.0 °F - 34.0 °F 82% 29.93 in 5.0 mi Calm Calm - N/A   Haze
11:54 AM 39.9 °F - 35.1 °F 83% 29.90 in 7.0 mi Calm Calm - 0.00 in   Overcast
12:18 PM 39.2 °F 35.9 °F 33.8 °F 81% 29.89 in 2.0 mi West 4.6 mph - 0.02 in Rain Rain
12:31 PM 39.2 °F 37.0 °F 35.6 °F 87% 29.89 in 3.0 mi West 3.5 mph - 0.03 in Rain Light Rain
12:54 PM 39.9 °F 37.8 °F 36.0 °F 86% 29.90 in 3.0 mi West 3.5 mph - 0.04 in Rain Light Rain
1:17 PM 39.2 °F - 37.4 °F 93% 29.88 in 2.5 mi Calm Calm - 0.00 in Rain Light Rain
1:39 PM 39.2 °F - 37.4 °F 93% 29.88 in 1.8 mi Calm Calm - 0.02 in Rain Light Rain
1:54 PM 39.9 °F - 37.9 °F 93% 29.89 in 1.8 mi Calm Calm - 0.03 in Rain Light Rain
2:28 PM 39.2 °F - 37.4 °F 93% 29.87 in 0.5 mi Calm Calm - 0.01 in Fog , Rain Light Rain
2:54 PM 39.9 °F - 37.9 °F 93% 29.88 in 0.8 mi Calm Calm - 0.05 in Rain Light Rain
3:02 PM 39.2 °F - 39.2 °F 100% 29.87 in 1.0 mi Calm Calm - 0.01 in Rain Light Rain
3:07 PM 39.2 °F - 37.4 °F 93% 29.88 in 0.2 mi Calm Calm - 0.01 in Fog , Rain Light Rain
3:52 PM 39.2 °F - 37.4 °F 93% 29.87 in 0.5 mi Calm Calm - 0.03 in Fog Fog
3:54 PM 39.9 °F - 37.9 °F 93% 29.88 in 0.5 mi Calm Calm - 0.03 in Fog Fog
4:06 PM 42.8 °F - 39.2 °F 87% 29.88 in 2.0 mi Calm Calm - N/A   Overcast
4:14 PM 44.6 °F 41.4 °F 41.0 °F 87% 29.88 in 8.0 mi ESE 5.8 mph - N/A   Overcast
4:54 PM 39.0 °F 36.8 °F 37.9 °F 96% 29.88 in 4.0 mi West 3.5 mph - 0.03 in Rain Light Rain
5:01 PM 39.2 °F 35.9 °F 39.2 °F 100% 29.88 in 1.2 mi West 4.6 mph - 0.00 in Rain Light Rain
5:20 PM 42.8 °F 41.1 °F 41.0 °F 93% 29.87 in 3.0 mi WSW 3.5 mph - 0.01 in Rain Light Rain
5:35 PM 44.6 °F 40.7 °F 42.8 °F 93% 29.87 in 2.5 mi East 6.9 mph - 0.02 in Rain Light Rain
5:37 PM 44.6 °F 38.4 °F 42.8 °F 93% 29.87 in 4.0 mi ENE 12.7 mph 16.1 mph 0.02 in Rain Light Rain
5:44 PM 44.6 °F 41.4 °F 42.8 °F 93% 29.87 in 4.0 mi ESE 5.8 mph 16.1 mph 0.03 in Rain Rain
5:50 PM 44.6 °F 39.7 °F 42.8 °F 93% 29.86 in 4.0 mi ENE 9.2 mph - 0.04 in Rain Rain
5:54 PM 45.0 °F 40.1 °F 42.1 °F 90% 29.88 in 4.0 mi East 9.2 mph - 0.04 in Rain Light Rain
6:02 PM 42.8 °F 36.6 °F 41.0 °F 93% 29.86 in 6.0 mi East 11.5 mph - 0.01 in Rain Light Rain
6:12 PM 44.6 °F 37.2 °F 41.0 °F 87% 29.86 in 7.0 mi ENE 17.3 mph - 0.01 in Rain Light Rain
6:20 PM 44.6 °F 38.4 °F 42.8 °F 93% 29.86 in 7.0 mi ENE 12.7 mph 19.6 mph 0.01 in Rain Light Rain
6:54 PM 45.0 °F 40.6 °F 42.1 °F 90% 29.94 in 5.0 mi West 8.1 mph - 0.01 in   Overcast
7:17 PM 42.8 °F 38.0 °F 42.8 °F 100% 29.90 in 2.5 mi ESE 8.1 mph - 0.02 in Rain Rain
7:22 PM 42.8 °F 37.5 °F 41.0 °F 93% 29.89 in 1.2 mi East 9.2 mph - 0.02 in Rain Light Rain
7:34 PM 42.8 °F 37.5 °F 42.8 °F 100% 29.87 in 3.0 mi East 9.2 mph - 0.02 in   Overcast
7:54 PM 43.0 °F - 42.1 °F 97% 29.88 in 3.0 mi Calm Calm - 0.02 in   Overcast
8:03 PM 44.6 °F - 42.8 °F 93% 29.87 in 1.5 mi Calm Calm - N/A   Overcast
8:13 PM 42.8 °F 41.1 °F 41.0 °F 93% 29.87 in 0.8 mi Variable 3.5 mph - N/A   Overcast
8:30 PM 41.0 °F - 39.2 °F 93% 29.86 in 1.8 mi Calm Calm - N/A Fog Shallow Fog
8:54 PM 43.0 °F 40.3 °F 42.1 °F 97% 29.88 in 1.8 mi East 4.6 mph - N/A Fog Shallow Fog
9:01 PM 42.8 °F - 41.0 °F 93% 29.86 in 3.0 mi Calm Calm - N/A Fog Shallow Fog
9:11 PM 42.8 °F 41.1 °F 42.8 °F 100% 29.86 in 1.5 mi Variable 3.5 mph - N/A Fog Shallow Fog
9:13 PM 41.0 °F - 41.0 °F 100% 29.86 in 0.8 mi Calm Calm - N/A Fog Shallow Fog
9:23 PM 41.0 °F - 39.2 °F 93% 29.85 in 1.8 mi Calm Calm - N/A Fog Shallow Fog
9:28 PM 41.0 °F - 39.2 °F 93% 29.85 in 1.5 mi Calm Calm - N/A Fog Shallow Fog
9:54 PM 39.9 °F - 39.9 °F 100% 29.86 in 1.0 mi Calm Calm - N/A Fog Shallow Fog
10:01 PM 39.2 °F 37.0 °F 39.2 °F 100% 29.85 in 0.5 mi North 3.5 mph - N/A Fog Shallow Fog
10:19 PM 41.0 °F 39.0 °F 39.2 °F 93% 29.85 in 0.5 mi Variable 3.5 mph - 0.00 in Fog , Rain Light Rain
10:30 PM 42.8 °F - 39.2 °F 87% 29.85 in 1.0 mi Calm Calm - 0.01 in Rain Light Rain
10:46 PM 39.2 °F - 39.2 °F 100% 29.84 in 0.5 mi Calm Calm - 0.01 in Fog , Rain Light Rain
10:54 PM 39.9 °F - 39.0 °F 97% 29.85 in 0.2 mi Calm Calm - 0.02 in Fog , Rain Light Rain
11:13 PM 41.0 °F - 39.2 °F 93% 29.84 in 1.0 mi Calm Calm - 0.00 in Rain Light Rain
11:22 PM 41.0 °F - 39.2 °F 93% 29.84 in 2.5 mi Calm Calm - 0.00 in Rain Light Rain
11:34 PM 39.2 °F - 39.2 °F 100% 29.83 in 0.8 mi Calm Calm - 0.01 in Rain Light Rain
11:51 PM 41.0 °F - 39.2 °F 93% 29.82 in 1.2 mi Calm Calm - 0.01 in   Overcast
11:54 PM 41.0 °F - 39.9 °F 96% 29.83 in 0.8 mi Calm Calm - 0.01 in   Overcast