Winthrop, MA

3:20 AM EST on February 24, 2017 (GMT -0500)
Logan International

Weather History for KBOS - September, 2013

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Sunday, September 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 64 °F 63 °F  
Max Temperature 73 °F 70 °F 94 °F (1895)
Min Temperature 55 °F 55 °F 35 °F (1904)
Degree Days  
Heating Degree Days 1 4  
Month to date heating degree days 35 43  
Since 1 July heating degree days 37 56  
Cooling Degree Days 0 2  
Month to date cooling degree days 82 72  
Year to date cooling degree days 903 731  
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 64    
Maximum Humidity 87    
Minimum Humidity 40    
Precipitation  
Precipitation 0.37 in 0.12 in 1.88 in (1998)
Month to date precipitation 2.21 2.44  
Year to date precipitation 32.41 31.06  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.69 in    
Wind  
Wind Speed 13 mph (WSW)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 10 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

Sep. 22, 2013 Rise Set
Actual Time 6:31 AM EDT 6:40 PM EDT
Civil Twilight 6:03 AM EDT 7:08 PM EDT
Nautical Twilight 5:30 AM EDT 7:41 PM EDT
Astronomical Twilight 4:57 AM EDT 8:15 PM EDT
Moon 8:23 PM EDT (9/22) 9:53 AM EDT (9/22)
Length of Visible Light 13h 05m
Length of Day
12h 09m
Waning Gibbous, 89% of the Moon is Illuminated
Sep 22
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:28 AM 69.8 °F 64.4 °F 83% 29.73 in 10.0 mi South 13.8 mph - N/A   Overcast
12:54 AM 70.0 °F 64.0 °F 81% 29.72 in 10.0 mi South 12.7 mph - N/A   Overcast
1:42 AM 69.8 °F 64.4 °F 83% 29.69 in 10.0 mi South 16.1 mph - N/A   Overcast
1:54 AM 70.0 °F 63.0 °F 78% 29.69 in 10.0 mi South 13.8 mph - N/A   Overcast
2:05 AM 69.8 °F 62.6 °F 78% 29.69 in 10.0 mi South 17.3 mph - N/A   Overcast
2:54 AM 69.1 °F 64.9 °F 87% 29.66 in 10.0 mi South 11.5 mph - 0.00 in   Overcast
3:54 AM 69.1 °F 64.9 °F 87% 29.64 in 10.0 mi South 15.0 mph - N/A   Overcast
4:15 AM 69.8 °F 64.4 °F 83% 29.62 in 10.0 mi South 17.3 mph - N/A   Overcast
4:54 AM 70.0 °F 64.9 °F 84% 29.62 in 10.0 mi South 17.3 mph - N/A   Overcast
5:54 AM 69.1 °F 64.9 °F 87% 29.63 in 8.0 mi SSW 17.3 mph 23.0 mph 0.01 in Rain Rain
6:08 AM 69.8 °F 66.2 °F 88% 29.63 in 9.0 mi SW 12.7 mph - 0.09 in Rain Light Rain
6:54 AM 66.0 °F 63.0 °F 90% 29.65 in 6.0 mi West 16.1 mph - 0.24 in Rain Light Rain
7:41 AM 64.4 °F 60.8 °F 88% 29.67 in 10.0 mi West 10.4 mph - 0.09 in Rain Light Rain
7:54 AM 64.0 °F 60.1 °F 87% 29.67 in 10.0 mi West 9.2 mph - 0.10 in Rain Light Rain
8:20 AM 62.6 °F 59.0 °F 88% 29.67 in 10.0 mi West 8.1 mph 17.3 mph 0.02 in Rain Light Rain
8:54 AM 64.0 °F 57.9 °F 80% 29.68 in 10.0 mi WSW 6.9 mph - 0.02 in   Overcast
9:54 AM 66.0 °F 59.0 °F 78% 29.68 in 10.0 mi WNW 9.2 mph - N/A   Overcast
10:54 AM 64.9 °F 59.0 °F 81% 29.68 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
11:25 AM 66.2 °F 57.2 °F 73% 29.68 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
11:54 AM 66.0 °F 54.0 °F 65% 29.68 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
12:54 PM 69.1 °F 54.0 °F 58% 29.67 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
1:54 PM 71.1 °F 52.0 °F 51% 29.66 in 10.0 mi West 16.1 mph 21.9 mph N/A   Partly Cloudy
2:54 PM 71.1 °F 48.9 °F 45% 29.67 in 10.0 mi West 15.0 mph 25.3 mph N/A   Scattered Clouds
3:54 PM 72.0 °F 48.9 °F 44% 29.67 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Scattered Clouds
4:54 PM 69.1 °F 45.0 °F 42% 29.68 in 10.0 mi West 15.0 mph 25.3 mph N/A   Scattered Clouds
5:54 PM 68.0 °F 45.0 °F 43% 29.70 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
6:54 PM 66.0 °F 46.9 °F 50% 29.72 in 10.0 mi WNW 12.7 mph 24.2 mph N/A   Mostly Cloudy
7:54 PM 63.0 °F 46.0 °F 54% 29.75 in 10.0 mi WNW 17.3 mph 21.9 mph N/A   Scattered Clouds
8:54 PM 61.0 °F 46.9 °F 60% 29.78 in 10.0 mi NW 12.7 mph - N/A   Scattered Clouds
9:54 PM 59.0 °F 44.1 °F 58% 29.81 in 10.0 mi NW 16.1 mph 26.5 mph N/A   Scattered Clouds
10:54 PM 57.0 °F 45.0 °F 64% 29.82 in 10.0 mi NW 10.4 mph 18.4 mph N/A   Scattered Clouds
11:54 PM 55.9 °F 43.0 °F 62% 29.83 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds