Weather History for Islip, NY

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Wednesday, October 30, 2013

  Actual Average Record
Temperature  
Mean Temperature 51 °F 50 °F  
Max Temperature 61 °F 59 °F 72 °F (1989)
Min Temperature 40 °F 41 °F 28 °F (1985)
Degree Days  
Heating Degree Days 14 15  
Month to date heating degree days 230 327  
Since 1 July heating degree days 313 404  
Cooling Degree Days 0 0  
Month to date cooling degree days 26 9  
Year to date cooling degree days 957 786  
Moisture  
Dew Point 43 °F    
Average Humidity 74    
Maximum Humidity 93    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in 0.11 in 0.94 in (1993)
Month to date precipitation 0.21 3.67  
Year to date precipitation 30.60 38.39  
Snow  
Snow 0.00 in 0.00 in T in (2011)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.26 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 30, 2013 Rise Set
Actual Time 7:20 AM EDT 5:50 PM EDT
Civil Twilight 6:52 AM EDT 6:19 PM EDT
Nautical Twilight 6:20 AM EDT 6:51 PM EDT
Astronomical Twilight 5:48 AM EDT 7:23 PM EDT
Moon 3:05 AM EDT (10/30) 3:36 PM EDT (10/30)
Length of Visible Light 11h 26m
Length of Day
10h 29m
Waning Crescent, 17% of the Moon is Illuminated
Oct 30
Waning Crescent
Nov 3
New
Nov 10
First Quarter
Nov 17
Full
Nov 25
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 42.1 °F - 33.1 °F 70% 30.34 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 42.1 °F - 33.1 °F 70% 30.32 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 42.1 °F - 34.0 °F 73% 30.32 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 43.0 °F - 35.1 °F 74% 30.31 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
4:56 AM 43.0 °F - 34.0 °F 71% 30.29 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 AM 41.0 °F - 33.1 °F 73% 30.28 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 43.0 °F 41.3 °F 34.0 °F 71% 30.29 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
7:56 AM 42.1 °F - 35.1 °F 76% 30.29 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
8:56 AM 48.9 °F - 37.9 °F 66% 30.30 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:56 AM 55.0 °F - 39.0 °F 55% 30.28 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 AM 57.9 °F - 45.0 °F 62% 30.28 in 10.0 mi SSW 5.8 mph - N/A   Overcast
11:56 AM 59.0 °F - 45.0 °F 60% 30.27 in 10.0 mi SW 8.1 mph - N/A   Overcast
12:56 PM 60.1 °F - 46.0 °F 60% 30.25 in 10.0 mi WSW 8.1 mph - N/A   Overcast
1:56 PM 60.1 °F - 46.9 °F 62% 30.22 in 10.0 mi SSW 9.2 mph - N/A   Overcast
2:56 PM 59.0 °F - 48.9 °F 69% 30.21 in 10.0 mi SW 10.4 mph - N/A   Overcast
3:56 PM 59.0 °F - 48.0 °F 67% 30.19 in 10.0 mi SSW 6.9 mph - N/A   Overcast
4:56 PM 57.9 °F - 48.0 °F 70% 30.19 in 10.0 mi SW 8.1 mph - N/A   Overcast
5:56 PM 57.0 °F - 50.0 °F 77% 30.20 in 10.0 mi SW 5.8 mph - N/A   Overcast
6:56 PM 57.0 °F - 51.1 °F 81% 30.21 in 10.0 mi SW 4.6 mph - N/A   Overcast
7:56 PM 57.0 °F - 51.1 °F 81% 30.22 in 10.0 mi SW 4.6 mph - N/A   Overcast
8:56 PM 55.9 °F - 52.0 °F 87% 30.22 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
9:56 PM 55.0 °F - 52.0 °F 89% 30.23 in 10.0 mi SW 3.5 mph - N/A   Overcast
10:56 PM 55.0 °F - 51.1 °F 86% 30.23 in 10.0 mi SSW 5.8 mph - N/A   Overcast
11:56 PM 54.0 °F - 51.1 °F 90% 30.22 in 9.0 mi SSW 4.6 mph - N/A   Scattered Clouds