Islip, NY

10:09 AM EST on December 18, 2017 (GMT -0500)
Long Island Mac Arthur

Weather History for KISP - December, 2012

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Tuesday, December 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 35 °F  
Max Temperature 56 °F 42 °F 59 °F (1984)
Min Temperature 44 °F 27 °F 16 °F (1988)
Degree Days  
Heating Degree Days 15 30  
Month to date heating degree days 383 495  
Since 1 July heating degree days 1345 1511  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 993 787  
Moisture  
Dew Point 46 °F    
Average Humidity 81    
Maximum Humidity 96    
Minimum Humidity 65    
Precipitation  
Precipitation 1.41 in 0.13 in 1.41 in (2012)
Month to date precipitation 3.71 2.46  
Year to date precipitation 42.30 44.64  
Snow  
Snow 0.00 in 0.20 in - ()
Month to date snowfall 0.0 2.5  
Since 1 July snowfall 4.2 3.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.49 in    
Wind  
Wind Speed 11 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 32 mph    
Visibility 6 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 18, 2012 Rise Set
Actual Time 7:11 AM EST 4:26 PM EST
Civil Twilight 6:40 AM EST 4:57 PM EST
Nautical Twilight 6:06 AM EST 5:32 PM EST
Astronomical Twilight 5:32 AM EST 6:05 PM EST
Moon 10:48 AM EST 10:52 PM EST
Length of Visible Light 10h 17m
Length of Day
9h 15m
Waxing Crescent, 34% of the Moon is Illuminated
Dec 18
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 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 51.1 °F - 48.9 °F 92% 29.58 in 1.5 mi East 11.5 mph - 0.16 in Rain Heavy Rain
1:30 AM 51.8 °F - 48.2 °F 88% 29.55 in 2.0 mi East 16.1 mph - 0.15 in Rain Light Rain
1:56 AM 52.0 °F - 50.0 °F 93% 29.55 in 2.0 mi East 12.7 mph - 0.20 in Rain Light Rain
2:56 AM 52.0 °F - 50.0 °F 93% 29.53 in 2.0 mi ESE 17.3 mph - 0.14 in Rain Light Rain
3:03 AM 51.8 °F - 50.0 °F 94% 29.53 in 3.0 mi ESE 13.8 mph - 0.02 in Rain Rain
3:56 AM 53.1 °F - 51.1 °F 93% 29.51 in 3.0 mi North 5.8 mph - 0.26 in Rain Rain
4:02 AM 51.8 °F - 51.8 °F 100% 29.50 in 2.0 mi NNE 10.4 mph - 0.03 in Rain Heavy Rain
4:33 AM 51.8 °F - 51.8 °F 100% 29.49 in 1.0 mi North 6.9 mph - 0.49 in Rain Heavy Rain
4:56 AM 50.0 °F - 48.9 °F 96% 29.48 in 2.0 mi NNE 6.9 mph - 0.59 in Rain Light Rain
5:56 AM 52.0 °F - 50.0 °F 93% 29.48 in 4.0 mi Calm Calm - 0.05 in   Light Drizzle
6:56 AM 52.0 °F - 50.0 °F 93% 29.48 in 0.5 mi WSW 8.1 mph - 0.00 in   Overcast
7:54 AM 50.0 °F - 48.2 °F 94% 29.48 in 3.0 mi WSW 8.1 mph - N/A   Overcast
7:56 AM 50.0 °F - 48.9 °F 96% 29.48 in 3.0 mi WSW 8.1 mph - N/A   Overcast
8:56 AM 50.0 °F - 48.0 °F 93% 29.49 in 4.0 mi West 10.4 mph - N/A   Overcast
9:56 AM 50.0 °F - 48.0 °F 93% 29.50 in 4.0 mi West 10.4 mph - N/A   Overcast
10:56 AM 51.1 °F - 48.0 °F 89% 29.49 in 7.0 mi West 10.4 mph - 0.00 in   Overcast
11:38 AM 51.8 °F - 46.4 °F 82% 29.47 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
11:56 AM 52.0 °F - 46.0 °F 80% 29.47 in 9.0 mi West 8.1 mph - N/A   Overcast
12:51 PM 53.6 °F - 46.4 °F 77% 29.45 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
12:56 PM 54.0 °F - 46.0 °F 75% 29.45 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
1:56 PM 54.0 °F - 45.0 °F 72% 29.44 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
2:56 PM 54.0 °F - 43.0 °F 66% 29.44 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
3:56 PM 52.0 °F - 42.1 °F 69% 29.45 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
4:56 PM 52.0 °F - 43.0 °F 71% 29.46 in 10.0 mi West 9.2 mph - 0.00 in Rain Light Rain
5:56 PM 46.9 °F - 42.1 °F 83% 29.47 in 10.0 mi WSW 9.2 mph - 0.01 in   Overcast
6:56 PM 48.0 °F - 43.0 °F 83% 29.48 in 10.0 mi West 8.1 mph - N/A   Overcast
7:56 PM 48.9 °F - 41.0 °F 74% 29.49 in 10.0 mi West 11.5 mph - N/A   Overcast
8:56 PM 48.0 °F - 37.9 °F 68% 29.50 in 10.0 mi WNW 19.6 mph 28.8 mph N/A   Mostly Cloudy
9:56 PM 46.9 °F - 35.1 °F 63% 29.53 in 10.0 mi WNW 18.4 mph 26.5 mph N/A   Mostly Cloudy
10:56 PM 45.0 °F 37.6 °F 35.1 °F 68% 29.55 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Mostly Cloudy
11:56 PM 44.1 °F 37.4 °F 34.0 °F 68% 29.55 in 10.0 mi WNW 13.8 mph 21.9 mph N/A   Scattered Clouds