Weather History for Islip, NY

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Wednesday, February 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 32 °F 32 °F  
Max Temperature 43 °F 40 °F 56 °F (2008)
Min Temperature 21 °F 25 °F 11 °F (1992)
Degree Days  
Heating Degree Days 33 33  
Month to date heating degree days 466 435  
Since 1 July heating degree days 3163 3427  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 23 °F    
Average Humidity 69    
Maximum Humidity 92    
Minimum Humidity 45    
Precipitation  
Precipitation 0.02 in 0.10 in 2.22 in (2008)
Month to date precipitation 3.72 1.40  
Year to date precipitation 5.94 5.04  
Snow  
Snow 0.20 in 0.20 in 0.70 in (2008)
Month to date snowfall 29.4 3.1  
Since 1 July snowfall 37.5 15.7  
Snow Depth 11.00 in    
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 3 mph (NNW)    
Max Wind Speed 10 mph    
Max Gust Speed 15 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 13, 2013 Rise Set
Actual Time 6:48 AM EST 5:25 PM EST
Civil Twilight 6:20 AM EST 5:53 PM EST
Nautical Twilight 5:48 AM EST 6:25 PM EST
Astronomical Twilight 5:16 AM EST 6:57 PM EST
Moon 8:14 AM EST (2/13) 9:26 PM EST (2/13)
Length of Visible Light 11h 32m
Length of Day
10h 36m
Waxing Crescent, 13% of the Moon is Illuminated
Feb 13
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 30.0 °F 24.1 °F 21.9 °F 72% 29.91 in 10.0 mi West 5.8 mph - N/A   Clear
1:56 AM 28.9 °F 22.8 °F 21.9 °F 75% 29.92 in 10.0 mi West 5.8 mph - N/A   Clear
2:56 AM 28.0 °F 21.7 °F 21.0 °F 75% 29.92 in 10.0 mi West 5.8 mph - N/A   Clear
3:56 AM 27.0 °F - 19.9 °F 75% 29.91 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 25.0 °F - 19.0 °F 78% 29.88 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 24.1 °F - 18.0 °F 77% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:56 AM 23.0 °F - 18.0 °F 81% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:56 AM 26.1 °F - 24.1 °F 92% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 33.1 °F - 30.0 °F 89% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 AM 37.9 °F 33.5 °F 19.9 °F 48% 29.87 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
10:56 AM 37.9 °F - 19.9 °F 48% 29.88 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:56 AM 37.9 °F 32.7 °F 21.9 °F 53% 29.86 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
12:56 PM 39.0 °F - 21.9 °F 50% 29.82 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 PM 41.0 °F 39.0 °F 21.9 °F 47% 29.77 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
2:56 PM 39.9 °F 35.1 °F 21.9 °F 49% 29.77 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
3:56 PM 37.0 °F 32.4 °F 23.0 °F 57% 29.76 in 10.0 mi SSW 5.8 mph - N/A   Overcast
4:56 PM 37.0 °F - 23.0 °F 57% 29.73 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 PM 36.0 °F - 24.1 °F 62% 29.71 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:56 PM 36.0 °F 32.1 °F 25.0 °F 64% 29.69 in 10.0 mi ENE 4.6 mph - N/A   Overcast
7:56 PM 35.1 °F - 25.0 °F 67% 29.70 in 10.0 mi Calm Calm - N/A   Overcast
8:56 PM 36.0 °F - 26.1 °F 67% 29.69 in 10.0 mi Calm Calm - 0.00 in Snow Light Snow
9:56 PM 35.1 °F 30.1 °F 26.1 °F 70% 29.68 in 9.0 mi NNW 5.8 mph - 0.00 in Snow Light Snow
10:56 PM 35.1 °F 32.2 °F 26.1 °F 70% 29.70 in 9.0 mi NW 3.5 mph - 0.00 in Snow Light Snow
11:24 PM 33.8 °F 29.6 °F 26.6 °F 75% 29.69 in 3.0 mi NNE 4.6 mph - 0.00 in Snow Light Snow
11:35 PM 33.8 °F 27.0 °F 26.6 °F 75% 29.68 in 1.0 mi North 8.1 mph - 0.00 in Snow Light Snow
11:52 PM 33.8 °F 26.4 °F 26.6 °F 75% 29.68 in 0.8 mi North 9.2 mph - 0.01 in Snow Light Snow
11:56 PM 33.1 °F 25.5 °F 28.0 °F 82% 29.68 in 0.8 mi NNE 9.2 mph - 0.01 in Snow Light Snow