Weather History for Islip, NY

Change the Weather History Date:

Thursday, May 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 63 °F 59 °F  
Max Temperature 75 °F 68 °F 86 °F (1998)
Min Temperature 51 °F 50 °F 39 °F (2000)
Degree Days  
Heating Degree Days 2 7  
Month to date heating degree days 142 144  
Since 1 July heating degree days 5026 5315  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1 2  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 62    
Maximum Humidity 93    
Minimum Humidity 31    
Precipitation  
Precipitation T in 0.11 in 4.01 in (1989)
Month to date precipitation 0.63 1.83  
Year to date precipitation 12.93 17.51  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 46.9 24.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.75 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 20 mph    
Max Gust Speed 23 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

May. 16, 2013 Rise Set
Actual Time 5:34 AM EDT 8:04 PM EDT
Civil Twilight 5:02 AM EDT 8:35 PM EDT
Nautical Twilight 4:23 AM EDT 9:14 PM EDT
Astronomical Twilight 3:40 AM EDT 9:58 PM EDT
Moon 11:05 AM EDT (5/16) 12:22 AM EDT (5/16)
Length of Visible Light 15h 32m
Length of Day
14h 30m
Waxing Crescent, 35% of the Moon is Illuminated
May 16
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 55.9 °F 52.0 °F 87% 29.70 in 8.0 mi Calm Calm - N/A   Clear
1:56 AM 54.0 °F 51.1 °F 90% 29.70 in 8.0 mi Calm Calm - N/A   Clear
2:56 AM 53.1 °F 50.0 °F 89% 29.70 in 6.0 mi Calm Calm - N/A   Clear
3:56 AM 53.1 °F 50.0 °F 89% 29.69 in 7.0 mi Calm Calm - N/A   Clear
4:56 AM 51.1 °F 48.9 °F 92% 29.70 in 7.0 mi Calm Calm - N/A   Clear
5:56 AM 55.0 °F 53.1 °F 93% 29.72 in 4.0 mi North 4.6 mph - N/A   Mostly Cloudy
6:56 AM 60.1 °F 55.9 °F 86% 29.75 in 4.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
7:56 AM 63.0 °F 55.9 °F 78% 29.77 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:56 AM 63.0 °F 55.9 °F 78% 29.78 in 10.0 mi Calm Calm - N/A   Overcast
9:56 AM 64.0 °F 55.0 °F 73% 29.80 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
10:56 AM 63.0 °F 54.0 °F 72% 29.78 in 10.0 mi SE 5.8 mph - 0.00 in   Mostly Cloudy
11:56 AM 71.1 °F 51.1 °F 49% 29.77 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
12:56 PM 73.9 °F 42.1 °F 32% 29.77 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
1:56 PM 75.0 °F 43.0 °F 32% 29.75 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
2:56 PM 72.0 °F 45.0 °F 38% 29.75 in 10.0 mi SSW 17.3 mph 21.9 mph N/A   Scattered Clouds
3:56 PM 72.0 °F 43.0 °F 35% 29.74 in 10.0 mi SSW 17.3 mph - N/A   Scattered Clouds
4:56 PM 72.0 °F 45.0 °F 38% 29.74 in 10.0 mi SSW 13.8 mph - N/A   Scattered Clouds
5:56 PM 70.0 °F 44.1 °F 39% 29.73 in 10.0 mi SSW 15.0 mph - N/A   Scattered Clouds
6:56 PM 66.9 °F 45.0 °F 45% 29.75 in 10.0 mi SSW 12.7 mph - N/A   Scattered Clouds
7:56 PM 64.0 °F 45.0 °F 50% 29.76 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
8:56 PM 63.0 °F 46.9 °F 56% 29.78 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
9:56 PM 60.1 °F 50.0 °F 69% 29.79 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
10:56 PM 59.0 °F 51.1 °F 75% 29.79 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
11:56 PM 57.0 °F 50.0 °F 77% 29.80 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy