Winthrop, MA

9:38 PM EST on February 24, 2017 (GMT -0500)
Logan International

Weather History for KBOS - September, 2011

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Wednesday, September 7, 2011

  Actual Average Record
Temperature  
Mean Temperature 62 °F 68 °F  
Max Temperature 63 °F 75 °F 102 °F (1881)
Min Temperature 60 °F 60 °F 43 °F (1888)
Degree Days  
Heating Degree Days 3 1  
Month to date heating degree days 4 7  
Since 1 July heating degree days 4 20  
Cooling Degree Days 0 4  
Month to date cooling degree days 37 32  
Year to date cooling degree days 901 691  
Growing Degree Days 11 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 94    
Maximum Humidity 97    
Minimum Humidity 90    
Precipitation  
Precipitation 0.30 in 0.11 in 1.70 in (1891)
Month to date precipitation 0.98 0.72  
Year to date precipitation 34.03 29.34  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2015)
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 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 13 mph (NE)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 4 miles    
Events Rain    
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. 07, 2011 Rise Set
Actual Time 6:15 AM EDT 7:08 PM EDT
Civil Twilight 5:46 AM EDT 7:36 PM EDT
Nautical Twilight 5:12 AM EDT 8:10 PM EDT
Astronomical Twilight 4:37 AM EDT 8:45 PM EDT
Moon 4:28 PM EDT (9/7) 1:23 AM EDT (9/7)
Length of Visible Light 13h 50m
Length of Day
12h 53m
Waxing Gibbous, 79% of the Moon is Illuminated
Sep 7
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First 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 61.0 °F 57.0 °F 87% 30.22 in 10.0 mi NE 5.8 mph - 0.01 in Rain Light Rain
1:54 AM 61.0 °F 57.0 °F 87% 30.20 in 10.0 mi NE 9.2 mph - 0.00 in Rain Light Rain
2:54 AM 61.0 °F 57.9 °F 90% 30.21 in 4.0 mi NE 6.9 mph - 0.03 in Rain Light Rain
3:54 AM 61.0 °F 57.9 °F 90% 30.21 in 10.0 mi NE 9.2 mph - 0.00 in   Mostly Cloudy
4:54 AM 61.0 °F 59.0 °F 93% 30.20 in 10.0 mi ENE 15.0 mph - 0.00 in   Overcast
5:54 AM 62.1 °F 59.0 °F 90% 30.22 in 8.0 mi NE 13.8 mph - 0.01 in Rain Light Rain
6:01 AM 62.6 °F 59.0 °F 88% 30.21 in 5.0 mi NE 16.1 mph - 0.01 in Rain Light Rain
6:36 AM 60.8 °F 59.0 °F 94% 30.22 in 7.0 mi NE 15.0 mph - 0.02 in Rain Light Rain
6:54 AM 61.0 °F 59.0 °F 93% 30.22 in 2.0 mi NE 15.0 mph - 0.04 in Rain Rain
7:18 AM 60.8 °F 59.0 °F 94% 30.22 in 2.0 mi NE 15.0 mph - 0.01 in Rain Light Rain
7:40 AM 60.8 °F 57.2 °F 88% 30.22 in 6.0 mi NE 16.1 mph - 0.02 in Rain Light Rain
7:54 AM 61.0 °F 57.9 °F 90% 30.25 in 5.0 mi NE 12.7 mph - 0.03 in Rain Light Rain
8:05 AM 60.8 °F 59.0 °F 94% 30.25 in 1.8 mi NNE 12.7 mph - 0.00 in Rain Light Rain
8:12 AM 60.8 °F 59.0 °F 94% 30.25 in 1.5 mi NNE 13.8 mph - 0.02 in Rain Rain
8:25 AM 60.8 °F 59.0 °F 94% 30.25 in 1.8 mi NE 11.5 mph - 0.05 in Rain Light Rain
8:54 AM 61.0 °F 59.0 °F 93% 30.24 in 3.0 mi NE 13.8 mph - 0.05 in   Overcast
9:03 AM 60.8 °F 59.0 °F 94% 30.25 in 2.5 mi NE 15.0 mph - N/A   Overcast
11:34 AM 62.6 °F 60.8 °F 94% 30.23 in 6.0 mi ENE 16.1 mph 21.9 mph 0.00 in   Light Drizzle
11:46 AM 62.6 °F 60.8 °F 94% 30.23 in 1.0 mi ENE 13.8 mph - 0.00 in   Light Drizzle
11:54 AM 62.1 °F 60.1 °F 93% 30.23 in 1.0 mi ENE 16.1 mph 24.2 mph 0.00 in   Light Drizzle
12:54 PM 61.0 °F 59.0 °F 93% 30.22 in 1.0 mi NE 17.3 mph - 0.01 in   Light Drizzle
1:43 PM 60.8 °F 59.0 °F 94% 30.20 in 2.0 mi ENE 18.4 mph 25.3 mph 0.01 in Rain Light Rain
1:54 PM 61.0 °F 59.0 °F 93% 30.21 in 2.0 mi NE 17.3 mph 24.2 mph 0.02 in Rain Light Rain
2:07 PM 60.8 °F 59.0 °F 94% 30.21 in 1.0 mi NE 13.8 mph - 0.03 in Rain Heavy Rain
2:37 PM 62.6 °F 60.8 °F 94% 30.20 in 2.0 mi NE 13.8 mph 23.0 mph 0.05 in   Overcast
2:52 PM 62.6 °F 59.0 °F 88% 30.20 in 1.2 mi NE 16.1 mph - 0.05 in   Overcast
2:54 PM 62.1 °F 59.0 °F 90% 30.20 in 1.2 mi NE 13.8 mph - 0.05 in   Overcast
3:36 PM 62.6 °F 59.0 °F 88% 30.19 in 2.0 mi NE 15.0 mph - 0.00 in   Overcast
3:45 PM 62.6 °F 59.0 °F 88% 30.19 in 1.5 mi NE 15.0 mph - 0.00 in   Overcast
3:54 PM 62.1 °F 59.0 °F 90% 30.19 in 1.5 mi NE 15.0 mph - 0.00 in   Overcast
4:54 PM 61.0 °F 59.0 °F 93% 30.18 in 2.0 mi NNE 13.8 mph - 0.00 in   Overcast
5:42 PM 60.8 °F 59.0 °F 94% 30.16 in 4.0 mi NNE 16.1 mph - N/A   Overcast
5:54 PM 61.0 °F 59.0 °F 93% 30.17 in 5.0 mi NNE 13.8 mph - N/A   Overcast
7:54 PM 61.0 °F 57.9 °F 90% 30.17 in 10.0 mi NNE 11.5 mph - 0.02 in   Overcast
8:54 PM 61.0 °F 57.9 °F 90% 30.17 in 6.0 mi NNE 12.7 mph - 0.03 in Rain Light Rain
9:54 PM 61.0 °F 57.9 °F 90% 30.16 in 10.0 mi North 11.5 mph - 0.00 in   Overcast
10:54 PM 61.0 °F 57.9 °F 90% 30.13 in 10.0 mi NNE 11.5 mph - N/A   Overcast
11:54 PM 61.0 °F 57.9 °F 90% 30.12 in 10.0 mi NNE 9.2 mph - N/A   Overcast