Winthrop, MA

5:54 PM EST on January 19, 2017 (GMT -0500)
Logan International

Weather History for KBOS - September, 2013

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Sunday, September 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 75 °F 70 °F  
Max Temperature 79 °F 77 °F 96 °F (1881)
Min Temperature 70 °F 62 °F 50 °F (1887)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 1  
Since 1 July heating degree days 2 14  
Cooling Degree Days 10 5  
Month to date cooling degree days 10 5  
Year to date cooling degree days 831 664  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 86    
Maximum Humidity 93    
Minimum Humidity 79    
Precipitation  
Precipitation 0.38 in 0.10 in 2.11 in (1949)
Month to date precipitation 0.38 0.10  
Year to date precipitation 30.58 28.72  
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 01, 2013 Rise Set
Actual Time 6:09 AM EDT 7:17 PM EDT
Civil Twilight 5:40 AM EDT 7:46 PM EDT
Nautical Twilight 5:05 AM EDT 8:20 PM EDT
Astronomical Twilight 4:29 AM EDT 8:56 PM EDT
Moon 2:25 AM EDT (9/1) 4:55 PM EDT (9/1)
Length of Visible Light 14h 05m
Length of Day
13h 08m
Waning Crescent, 14% of the Moon is Illuminated
Sep 1
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 73.0 °F 69.1 °F 87% 29.82 in 8.0 mi SW 10.4 mph - N/A   Overcast
1:47 AM 73.4 °F 69.8 °F 88% 29.81 in 8.0 mi SSW 10.4 mph - N/A   Overcast
1:54 AM 73.0 °F 69.1 °F 87% 29.81 in 8.0 mi SW 12.7 mph - N/A   Overcast
2:29 AM 73.4 °F 69.8 °F 88% 29.80 in 8.0 mi SW 15.0 mph - N/A   Mostly Cloudy
2:54 AM 73.4 °F 69.8 °F 88% 29.79 in 8.0 mi SW 15.0 mph - N/A   Mostly Cloudy
3:54 AM 73.4 °F 69.8 °F 88% 29.81 in 8.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
4:54 AM 73.0 °F 69.1 °F 87% 29.80 in 8.0 mi SW 8.1 mph - N/A   Mostly Cloudy
5:54 AM 73.0 °F 66.0 °F 79% 29.83 in 8.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
6:54 AM 73.0 °F 66.9 °F 81% 29.85 in 10.0 mi SW 9.2 mph - 0.00 in   Overcast
7:54 AM 72.0 °F 66.9 °F 84% 29.86 in 10.0 mi SW 11.5 mph - 0.00 in   Overcast
8:54 AM 73.0 °F 69.1 °F 87% 29.86 in 10.0 mi SSW 10.4 mph - N/A   Overcast
9:42 AM 71.6 °F 69.8 °F 94% 29.88 in 1.8 mi SW 13.8 mph - 0.08 in Rain , Thunderstorm Heavy Thunderstorms and Rain
9:47 AM 71.6 °F 68.0 °F 88% 29.88 in 2.0 mi SSW 13.8 mph - 0.12 in Rain , Thunderstorm Heavy Thunderstorms and Rain
9:54 AM 71.1 °F 66.9 °F 87% 29.87 in 3.0 mi SSW 12.7 mph - N/A Rain , Thunderstorm Heavy Thunderstorms and Rain
10:05 AM 69.8 °F 66.2 °F 88% 29.87 in 2.0 mi SSW 11.5 mph - 0.10 in Rain , Thunderstorm Heavy Thunderstorms and Rain
10:15 AM 69.8 °F 68.0 °F 94% 29.87 in 9.0 mi South 5.8 mph - 0.12 in Rain , Thunderstorm Light Thunderstorms and Rain
10:35 AM 71.6 °F 68.0 °F 88% 29.88 in 10.0 mi WSW 11.5 mph 18.4 mph 0.13 in   Overcast
10:54 AM 71.1 °F 66.9 °F 87% 29.87 in 9.0 mi WSW 20.7 mph 27.6 mph 0.13 in Rain Light Rain
11:07 AM 71.6 °F 66.2 °F 83% 29.87 in 2.5 mi WSW 6.9 mph - 0.07 in Rain Light Rain
11:11 AM 71.6 °F 66.2 °F 83% 29.87 in 5.0 mi WSW 6.9 mph - 0.08 in Rain Light Rain
11:54 AM 73.0 °F 68.0 °F 84% 29.86 in 10.0 mi SSW 9.2 mph - 0.09 in Rain Light Rain
12:54 PM 73.0 °F 69.1 °F 87% 29.87 in 10.0 mi SW 4.6 mph - 0.01 in   Overcast
1:11 PM 73.4 °F 69.8 °F 88% 29.86 in 10.0 mi SW 6.9 mph - 0.00 in Rain Light Rain
1:54 PM 73.9 °F 71.1 °F 91% 29.86 in 9.0 mi South 6.9 mph - 0.00 in   Overcast
2:22 PM 75.2 °F 71.6 °F 89% 29.86 in 10.0 mi South 3.5 mph - N/A   Overcast
2:31 PM 75.2 °F 71.6 °F 89% 29.86 in 9.0 mi Calm Calm - N/A   Overcast
2:45 PM 75.2 °F 71.6 °F 89% 29.86 in 10.0 mi South 3.5 mph - N/A   Overcast
2:54 PM 75.9 °F 72.0 °F 87% 29.85 in 10.0 mi SW 4.6 mph - N/A   Overcast
3:18 PM 77.0 °F 73.4 °F 89% 29.85 in 8.0 mi Calm Calm - N/A   Overcast
3:54 PM 75.9 °F 72.0 °F 87% 29.85 in 9.0 mi ESE 5.8 mph - N/A   Overcast
4:05 PM 75.2 °F 71.6 °F 89% 29.84 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
4:54 PM 73.9 °F 69.1 °F 85% 29.85 in 10.0 mi East 5.8 mph - N/A   Overcast
5:35 PM 73.4 °F 69.8 °F 88% 29.85 in 9.0 mi East 4.6 mph - N/A   Mostly Cloudy
5:54 PM 73.0 °F 69.1 °F 87% 29.85 in 9.0 mi SE 5.8 mph - N/A   Mostly Cloudy
6:54 PM 72.0 °F 68.0 °F 87% 29.85 in 8.0 mi South 6.9 mph - N/A   Overcast
7:54 PM 73.0 °F 70.0 °F 90% 29.86 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
8:54 PM 73.0 °F 70.0 °F 90% 29.87 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
9:54 PM 71.6 °F 69.8 °F 94% 29.88 in 9.0 mi South 6.9 mph - N/A   Mostly Cloudy
10:02 PM 71.6 °F 69.8 °F 94% 29.87 in 8.0 mi South 5.8 mph - N/A   Scattered Clouds
10:54 PM 72.0 °F 70.0 °F 93% 29.88 in 9.0 mi South 6.9 mph - N/A   Mostly Cloudy
11:13 PM 73.4 °F 69.8 °F 88% 29.88 in 8.0 mi South 9.2 mph - N/A   Overcast
11:26 PM 73.4 °F 69.8 °F 88% 29.88 in 8.0 mi SSW 9.2 mph - N/A   Overcast
11:44 PM 73.4 °F 69.8 °F 88% 29.88 in 8.0 mi South 5.8 mph - N/A   Overcast
11:54 PM 73.0 °F 70.0 °F 90% 29.88 in 9.0 mi SSW 5.8 mph - N/A   Overcast