Weather History for Islip, NY

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Friday, January 31, 2014

  Actual Average Record
Temperature  
Mean Temperature 32 °F 31 °F  
Max Temperature 42 °F 38 °F 57 °F (2013)
Min Temperature 22 °F 24 °F 6 °F (2000)
Degree Days  
Heating Degree Days 33 34  
Month to date heating degree days 1150 1067  
Since 1 July heating degree days 2972 2992  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 17 °F    
Average Humidity 59    
Maximum Humidity 84    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.11 in 0.38 in (2013)
Month to date precipitation 3.98 3.64  
Year to date precipitation 3.98 3.64  
Snow  
Snow 0.00 in 0.20 in 2.80 in (1985)
Month to date snowfall 25.2 6.7  
Since 1 July snowfall 33.6 12.6  
Snow Depth 4.00 in    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 31, 2014 Rise Set
Actual Time 7:03 AM EST 5:08 PM EST
Civil Twilight 6:34 AM EST 5:37 PM EST
Nautical Twilight 6:01 AM EST 6:10 PM EST
Astronomical Twilight 5:29 AM EST 6:42 PM EST
Moon 7:10 AM EST (1/31) 6:30 PM EST (1/31)
Length of Visible Light 11h 03m
Length of Day
10h 05m
New Moon, 1% of the Moon is Illuminated
Jan 31
New Moon
Feb 6
First Quarter
Feb 14
Full
Feb 22
Last Quarter
Mar 1
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 25.0 °F - 19.9 °F 81% 30.17 in 10.0 mi Calm Calm - N/A   Overcast
1:37 AM 26.6 °F 20.0 °F 21.2 °F 80% 30.15 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
1:56 AM 26.1 °F 19.4 °F 19.9 °F 78% 30.15 in 10.0 mi WSW 5.8 mph - N/A   Clear
2:56 AM 26.1 °F 20.5 °F 19.9 °F 78% 30.12 in 10.0 mi West 4.6 mph - N/A   Clear
3:56 AM 26.1 °F 17.6 °F 17.1 °F 69% 30.12 in 10.0 mi West 8.1 mph - N/A   Clear
4:19 AM 26.6 °F 21.2 °F 15.8 °F 64% 30.11 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
4:26 AM 26.6 °F 21.2 °F 17.6 °F 69% 30.11 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
4:56 AM 27.0 °F 20.5 °F 17.1 °F 66% 30.12 in 10.0 mi WNW 5.8 mph - N/A   Clear
5:56 AM 26.1 °F - 17.1 °F 69% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
6:56 AM 27.0 °F 21.6 °F 17.1 °F 66% 30.11 in 10.0 mi WSW 4.6 mph - N/A   Overcast
7:56 AM 28.9 °F 20.4 °F 16.0 °F 58% 30.12 in 10.0 mi West 9.2 mph - N/A   Overcast
8:56 AM 30.9 °F 22.8 °F 12.9 °F 47% 30.14 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
9:56 AM 32.0 °F 23.6 °F 12.9 °F 45% 30.14 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
10:56 AM 35.1 °F 28.6 °F 12.9 °F 40% 30.13 in 10.0 mi West 8.1 mph - N/A   Overcast
11:56 AM 39.0 °F 34.8 °F 14.0 °F 36% 30.11 in 10.0 mi West 5.8 mph - N/A   Overcast
12:56 PM 39.9 °F 31.8 °F 14.0 °F 35% 30.09 in 10.0 mi West 15.0 mph - N/A   Overcast
1:56 PM 42.1 °F 34.5 °F 16.0 °F 35% 30.08 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
2:56 PM 42.1 °F 36.6 °F 16.0 °F 35% 30.09 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
3:56 PM 42.1 °F 36.6 °F 17.1 °F 37% 30.10 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
4:56 PM 39.0 °F 34.8 °F 17.1 °F 41% 30.10 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
5:56 PM 36.0 °F 32.1 °F 19.0 °F 50% 30.13 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
6:56 PM 35.1 °F 31.0 °F 19.0 °F 52% 30.17 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
7:56 PM 36.0 °F - 17.1 °F 46% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:56 PM 35.1 °F 32.2 °F 17.1 °F 48% 30.19 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
9:56 PM 32.0 °F - 19.9 °F 61% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 PM 30.9 °F 27.5 °F 19.9 °F 64% 30.23 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
11:56 PM 32.0 °F - 21.0 °F 64% 30.23 in 10.0 mi Calm Calm - N/A   Mostly Cloudy