Weather History for Boston, MA

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Friday, February 21, 2014

  Actual Average Record
Temperature  
Mean Temperature 39 °F 33 °F  
Max Temperature 44 °F 40 °F 63 °F (1906)
Min Temperature 34 °F 26 °F -1 °F (1950)
Degree Days  
Heating Degree Days 26 32  
Month to date heating degree days 756 711  
Since 1 July heating degree days 3902 3821  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 36 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 85    
Precipitation  
Precipitation 0.22 in 0.12 in 2.45 in (1898)
Month to date precipitation 4.11 2.37  
Year to date precipitation 7.35 5.73  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 9 mph (East)    
Max Wind Speed 21 mph    
Max Gust Speed 31 mph    
Visibility 4 miles    
Events Fog , Rain , Thunderstorm    
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

Feb. 21, 2014 Rise Set
Actual Time 6:31 AM EST 5:24 PM EST
Civil Twilight 6:03 AM EST 5:52 PM EST
Nautical Twilight 5:30 AM EST 6:25 PM EST
Astronomical Twilight 4:58 AM EST 6:57 PM EST
Moon No Moon Rise 9:45 AM EST (2/21)
Length of Visible Light 11h 49m
Length of Day
10h 52m
Waning Gibbous, 61% of the Moon is Illuminated
Feb 21
Waning Gibbous
Feb 22
Last Quarter
Mar 1
New
Mar 8
First Quarter
Mar 16
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:32 AM 35.6 °F 29.2 °F 33.8 °F 93% 30.17 in 7.0 mi East 8.1 mph - 0.02 in Rain Light Rain
12:54 AM 34.0 °F 27.2 °F 33.1 °F 96% 30.16 in 5.0 mi East 8.1 mph - 0.03 in Rain Light Rain
1:06 AM 33.8 °F 27.0 °F 33.8 °F 100% 30.15 in 3.0 mi East 8.1 mph - 0.00 in   Drizzle
1:16 AM 35.6 °F 28.6 °F 32.0 °F 87% 30.14 in 5.0 mi East 9.2 mph - 0.00 in   Drizzle
1:47 AM 35.6 °F 28.6 °F 33.8 °F 93% 30.14 in 10.0 mi East 9.2 mph - 0.00 in   Overcast
1:54 AM 35.1 °F 27.9 °F 33.1 °F 92% 30.13 in 10.0 mi East 9.2 mph - 0.00 in   Overcast
2:42 AM 35.6 °F 28.6 °F 33.8 °F 93% 30.12 in 9.0 mi East 9.2 mph - N/A   Overcast
2:54 AM 35.1 °F 28.6 °F 33.1 °F 92% 30.12 in 10.0 mi East 8.1 mph - N/A   Overcast
3:54 AM 35.1 °F 27.4 °F 33.1 °F 92% 30.09 in 10.0 mi East 10.4 mph - 0.00 in   Drizzle
4:54 AM 36.0 °F 28.5 °F 33.1 °F 89% 30.08 in 10.0 mi East 10.4 mph - 0.00 in   Overcast
5:29 AM 35.6 °F 27.5 °F 33.8 °F 93% 30.11 in 10.0 mi East 11.5 mph - N/A   Overcast
5:54 AM 36.0 °F 26.7 °F 33.1 °F 89% 30.11 in 9.0 mi East 15.0 mph - 0.00 in   Overcast
6:28 AM 35.6 °F 24.8 °F 33.8 °F 93% 30.10 in 2.5 mi ESE 19.6 mph - 0.00 in Rain Light Rain
6:54 AM 36.0 °F 26.7 °F 34.0 °F 93% 30.11 in 2.5 mi East 15.0 mph - 0.00 in   Light Drizzle
7:10 AM 35.6 °F 26.2 °F 33.8 °F 93% 30.11 in 1.2 mi East 15.0 mph - 0.00 in   Light Drizzle
7:26 AM 35.6 °F 25.9 °F 35.6 °F 100% 30.10 in 1.2 mi East 16.1 mph - 0.00 in   Light Drizzle
7:54 AM 36.0 °F 26.7 °F 35.1 °F 97% 30.09 in 1.8 mi East 15.0 mph - 0.01 in   Overcast
8:12 AM 37.4 °F 28.5 °F 35.6 °F 93% 30.08 in 1.5 mi East 15.0 mph - N/A   Overcast
8:54 AM 36.0 °F 27.5 °F 35.1 °F 97% 30.07 in 1.0 mi East 12.7 mph - N/A   Overcast
9:26 AM 35.6 °F 27.1 °F 35.6 °F 100% 30.05 in 0.8 mi East 12.7 mph - N/A   Overcast
9:54 AM 37.0 °F 29.3 °F 35.1 °F 93% 30.05 in 0.8 mi East 11.5 mph - N/A   Overcast
10:54 AM 37.0 °F 29.8 °F 36.0 °F 96% 30.03 in 0.8 mi East 10.4 mph - 0.01 in   Overcast
11:42 AM 37.4 °F 29.8 °F 35.6 °F 93% 29.99 in 1.0 mi ENE 11.5 mph - 0.01 in   Light Drizzle
11:54 AM 37.0 °F 29.8 °F 36.0 °F 96% 29.98 in 1.0 mi ENE 10.4 mph - 0.02 in   Light Drizzle
12:33 PM 37.4 °F 29.8 °F 35.6 °F 93% 29.95 in 0.2 mi ENE 11.5 mph - 0.00 in   Overcast
12:54 PM 37.0 °F 28.9 °F 36.0 °F 96% 29.92 in 0.2 mi ENE 12.7 mph - 0.00 in Fog Fog
1:29 PM 37.4 °F 30.3 °F 37.4 °F 100% 29.89 in 0.2 mi ENE 10.4 mph - 0.00 in Fog Fog
1:46 PM 37.4 °F 31.4 °F 37.4 °F 100% 29.88 in 0.1 mi ENE 8.1 mph - 0.00 in Fog Fog
1:54 PM 37.9 °F 32.1 °F 37.0 °F 97% 29.87 in 0.1 mi ENE 8.1 mph - 0.00 in Fog Fog
2:54 PM 37.0 °F 31.6 °F 36.0 °F 96% 29.83 in 0.1 mi ENE 6.9 mph - N/A Fog Fog
3:54 PM 37.0 °F - 36.0 °F 96% 29.80 in 0.2 mi Calm Calm - N/A Fog Fog
4:44 PM 37.4 °F 34.9 °F 35.6 °F 93% 29.75 in 0.2 mi ESE 3.5 mph - 0.04 in Fog , Rain Light Rain
4:54 PM 37.0 °F 33.3 °F 35.1 °F 93% 29.74 in 0.2 mi ESE 4.6 mph - 0.04 in Fog , Rain Light Rain
5:06 PM 35.6 °F - 35.6 °F 100% 29.72 in 0.2 mi Calm Calm - 0.00 in Fog Fog
5:35 PM 37.4 °F - 35.6 °F 93% 29.72 in 0.2 mi Calm Calm - 0.01 in Fog , Rain , Thunderstorm Light Thunderstorms and Rain
5:54 PM 37.0 °F - 37.0 °F 100% 29.72 in 0.2 mi Calm Calm - 0.09 in Rain , Thunderstorm Thunderstorms and Rain
6:08 PM 37.4 °F 33.8 °F 35.6 °F 93% 29.68 in 1.5 mi ESE 4.6 mph - 0.01 in Rain , Thunderstorm Light Thunderstorms and Rain
6:19 PM 39.2 °F 35.9 °F 37.4 °F 93% 29.69 in 2.0 mi WSW 4.6 mph - 0.01 in Rain Light Rain
6:47 PM 42.8 °F 40.1 °F 41.0 °F 93% 29.69 in 2.5 mi SW 4.6 mph - 0.01 in   Overcast
6:54 PM 41.0 °F 38.0 °F 39.9 °F 96% 29.69 in 2.5 mi SW 4.6 mph - 0.01 in   Overcast
7:08 PM 41.0 °F 35.8 °F 39.2 °F 93% 29.68 in 2.5 mi WSW 8.1 mph - N/A   Overcast
7:22 PM 42.8 °F 37.0 °F 39.2 °F 87% 29.69 in 2.5 mi WSW 10.4 mph - N/A   Overcast
7:50 PM 44.6 °F 38.8 °F 42.8 °F 93% 29.71 in 3.0 mi West 11.5 mph 18.4 mph 0.01 in   Light Drizzle
7:54 PM 44.1 °F 37.4 °F 43.0 °F 96% 29.72 in 3.0 mi WSW 13.8 mph 19.6 mph 0.01 in   Light Drizzle
8:22 PM 39.2 °F 31.6 °F 37.4 °F 93% 29.73 in 3.0 mi WNW 12.7 mph 23.0 mph 0.00 in   Overcast
8:54 PM 39.9 °F 35.1 °F 37.9 °F 93% 29.73 in 7.0 mi WNW 6.9 mph - 0.00 in   Overcast
9:54 PM 39.0 °F 33.4 °F 36.0 °F 89% 29.79 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
10:54 PM 39.0 °F 34.0 °F 36.0 °F 89% 29.83 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
11:54 PM 39.0 °F 34.0 °F 34.0 °F 82% 29.86 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy