Weather History for Islip, NY

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Saturday, August 24, 2013

  Actual Average Record
Temperature  
Mean Temperature 69 °F 72 °F  
Max Temperature 78 °F 80 °F 91 °F (1995)
Min Temperature 59 °F 65 °F 54 °F (1987)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 12 40  
Since 1 July heating degree days 0 2  
Cooling Degree Days 4 7  
Month to date cooling degree days 173 201  
Year to date cooling degree days 783 641  
Since 1 June cooling degree days 751 617  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 65    
Maximum Humidity 87    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.13 in 6.74 in (1990)
Month to date precipitation 2.51 3.14  
Year to date precipitation 28.35 30.30  
Snow  
Snow 0.00 in 0.00 in - ()
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 30.25 in    
Wind  
Wind Speed 7 mph (NNE)    
Max Wind Speed 16 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 24, 2013 Rise Set
Actual Time 6:11 AM EDT 7:36 PM EDT
Civil Twilight 5:42 AM EDT 8:05 PM EDT
Nautical Twilight 5:08 AM EDT 8:39 PM EDT
Astronomical Twilight 4:31 AM EDT 9:16 PM EDT
Moon 9:27 PM EDT (8/24) 10:10 AM EDT (8/24)
Length of Visible Light 14h 22m
Length of Day
13h 25m
Waning Gibbous, 84% of the Moon is Illuminated
Aug 24
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 66.0 °F 62.1 °F 87% 30.11 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
1:56 AM 64.9 °F 61.0 °F 87% 30.12 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
2:56 AM 64.9 °F 55.9 °F 73% 30.14 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
3:56 AM 64.0 °F 55.0 °F 73% 30.16 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
4:56 AM 64.0 °F 53.1 °F 67% 30.17 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
5:56 AM 63.0 °F 52.0 °F 67% 30.19 in 10.0 mi NNE 9.2 mph - N/A   Partly Cloudy
6:56 AM 63.0 °F 53.1 °F 70% 30.22 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
7:56 AM 66.0 °F 53.1 °F 63% 30.23 in 10.0 mi NNE 11.5 mph - N/A   Partly Cloudy
8:56 AM 68.0 °F 53.1 °F 59% 30.25 in 10.0 mi NNE 13.8 mph - N/A   Clear
9:56 AM 70.0 °F 54.0 °F 57% 30.26 in 10.0 mi North 9.2 mph - N/A   Clear
10:56 AM 72.0 °F 55.0 °F 55% 30.27 in 10.0 mi NNE 11.5 mph - N/A   Partly Cloudy
11:56 AM 73.9 °F 55.9 °F 53% 30.27 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
12:56 PM 75.9 °F 55.0 °F 48% 30.27 in 10.0 mi ENE 3.5 mph - N/A   Scattered Clouds
1:56 PM 75.9 °F 52.0 °F 43% 30.28 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
2:56 PM 75.0 °F 55.0 °F 50% 30.28 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
3:56 PM 75.0 °F 54.0 °F 48% 30.28 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
4:56 PM 73.9 °F 55.0 °F 52% 30.28 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
5:56 PM 73.0 °F 55.9 °F 55% 30.29 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
6:56 PM 70.0 °F 55.0 °F 59% 30.29 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
7:56 PM 68.0 °F 55.0 °F 63% 30.30 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
8:56 PM 66.9 °F 55.9 °F 68% 30.32 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 64.0 °F 55.0 °F 73% 30.33 in 10.0 mi WSW 3.5 mph - N/A   Clear
10:56 PM 61.0 °F 55.0 °F 81% 30.33 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 60.1 °F 55.0 °F 83% 30.34 in 10.0 mi Calm Calm - N/A   Clear