Weather History for Boston, MA

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Thursday, January 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 38 °F 29 °F  
Max Temperature 42 °F 36 °F 61 °F (1975)
Min Temperature 33 °F 22 °F -10 °F (1886)
Degree Days  
Heating Degree Days 27 36  
Month to date heating degree days 351 428  
Since 1 July heating degree days 1842 2422  
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 85    
Maximum Humidity 93    
Minimum Humidity 76    
Precipitation  
Precipitation 0.92 in 0.11 in 1.65 in (1900)
Month to date precipitation 0.96 1.32  
Year to date precipitation 0.96 1.32  
Snow  
Snow 0.00 in 0.40 in 14.60 in (2011)
Month to date snowfall 0.5 5.1  
Since 1 July snowfall 1.5 15.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.69 in    
Wind  
Wind Speed 20 mph (NE)    
Max Wind Speed 35 mph    
Max Gust Speed 40 mph    
Visibility 5 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 12, 2012 Rise Set
Actual Time 7:12 AM EST 4:32 PM EST
Civil Twilight 6:40 AM EST 5:03 PM EST
Nautical Twilight 6:05 AM EST 5:38 PM EST
Astronomical Twilight 5:32 AM EST 6:12 PM EST
Moon 8:40 PM EST (1/12) 8:49 AM EST (1/12)
Length of Visible Light 10h 23m
Length of Day
9h 20m
Waning Gibbous, 87% of the Moon is Illuminated
Jan 12
Waning Gibbous
Jan 16
Last Quarter
Jan 23
New
Jan 30
First Quarter
Feb 7
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:34 AM 39.2 °F 30.2 °F 30.2 °F 70% 30.06 in 10.0 mi ESE 17.3 mph - N/A   Mostly Cloudy
12:54 AM 39.0 °F 29.6 °F 32.0 °F 76% 30.05 in 10.0 mi ESE 18.4 mph - N/A   Mostly Cloudy
1:54 AM 39.9 °F 30.5 °F 32.0 °F 73% 30.03 in 10.0 mi East 19.6 mph - N/A   Overcast
2:54 AM 39.9 °F 30.0 °F 32.0 °F 73% 30.00 in 10.0 mi East 21.9 mph - N/A   Overcast
3:54 AM 39.9 °F 30.5 °F 32.0 °F 73% 29.99 in 10.0 mi East 19.6 mph 28.8 mph N/A   Overcast
4:54 AM 37.9 °F 27.9 °F 33.1 °F 83% 29.96 in 7.0 mi East 19.6 mph 28.8 mph 0.01 in Rain Light Rain
5:54 AM 37.9 °F 26.6 °F 34.0 °F 86% 29.92 in 5.0 mi East 25.3 mph 31.1 mph 0.04 in Rain Light Rain
6:31 AM 37.4 °F 26.4 °F 35.6 °F 93% 29.89 in 7.0 mi East 23.0 mph 31.1 mph 0.03 in Rain Light Rain
6:54 AM 37.9 °F 26.1 °F 34.0 °F 86% 29.87 in 5.0 mi East 27.6 mph 34.5 mph 0.07 in Rain Rain
7:54 AM 37.9 °F 26.8 °F 35.1 °F 89% 29.85 in 8.0 mi East 24.2 mph 34.5 mph 0.03 in Rain Light Rain
8:54 AM 39.9 °F 28.6 °F 36.0 °F 86% 29.80 in 4.0 mi East 28.8 mph 38.0 mph 0.06 in Rain Light Rain
9:54 AM 41.0 °F 30.7 °F 37.9 °F 89% 29.75 in 4.0 mi East 25.3 mph 38.0 mph 0.06 in Rain Light Rain
10:18 AM 41.0 °F 30.5 °F 37.4 °F 87% 29.73 in 1.8 mi ENE 26.5 mph 33.4 mph 0.03 in Rain Rain
10:37 AM 41.0 °F 30.5 °F 39.2 °F 93% 29.70 in 1.0 mi ENE 26.5 mph - 0.09 in Rain Rain
10:54 AM 42.1 °F 32.1 °F 39.0 °F 89% 29.67 in 1.5 mi ENE 25.3 mph 34.5 mph 0.13 in Rain Rain
11:54 AM 42.1 °F 32.3 °F 39.9 °F 92% 29.61 in 1.5 mi NE 24.2 mph 33.4 mph 0.10 in Rain Rain
12:49 PM 42.8 °F 32.9 °F 39.2 °F 87% 29.55 in 2.0 mi NE 26.5 mph 33.4 mph 0.08 in Rain Light Rain
12:54 PM 42.1 °F 32.1 °F 39.9 °F 92% 29.56 in 2.0 mi NE 25.3 mph 33.4 mph 0.08 in Rain Light Rain
1:18 PM 42.8 °F 33.1 °F 39.2 °F 87% 29.54 in 1.5 mi NE 25.3 mph 34.5 mph 0.06 in Rain Heavy Rain
1:54 PM 41.0 °F 29.7 °F 39.0 °F 93% 29.49 in 2.0 mi NE 31.1 mph 39.1 mph 0.29 in Rain Rain
2:24 PM 41.0 °F 30.5 °F 39.2 °F 93% 29.48 in 2.0 mi NNE 26.5 mph 33.4 mph 0.02 in Rain Light Rain
2:54 PM 42.1 °F 31.9 °F 39.0 °F 89% 29.46 in 2.0 mi NNE 26.5 mph 35.7 mph 0.04 in Rain Light Rain
3:54 PM 42.1 °F 32.3 °F 39.0 °F 89% 29.47 in 2.0 mi North 24.2 mph 31.1 mph 0.00 in   Light Drizzle
4:08 PM 42.8 °F 33.1 °F 39.2 °F 87% 29.46 in 4.0 mi NNE 25.3 mph 33.4 mph 0.00 in   Light Drizzle
4:54 PM 42.1 °F 33.3 °F 39.0 °F 89% 29.47 in 3.0 mi North 19.6 mph 28.8 mph 0.00 in   Light Drizzle
5:20 PM 42.8 °F 34.8 °F 39.2 °F 87% 29.48 in 3.0 mi North 17.3 mph - 0.01 in   Light Drizzle
5:54 PM 42.1 °F 34.2 °F 39.0 °F 89% 29.50 in 3.0 mi NNW 16.1 mph 23.0 mph 0.01 in   Light Drizzle
6:54 PM 36.0 °F 28.0 °F 34.0 °F 93% 29.54 in 5.0 mi NW 11.5 mph - 0.00 in   Light Drizzle
7:54 PM 36.0 °F 28.0 °F 33.1 °F 89% 29.57 in 7.0 mi NW 11.5 mph - 0.00 in   Overcast
8:54 PM 35.1 °F 29.3 °F 32.0 °F 89% 29.58 in 10.0 mi North 6.9 mph - N/A   Overcast
9:54 PM 34.0 °F 28.8 °F 30.9 °F 89% 29.58 in 10.0 mi North 5.8 mph - N/A   Overcast
10:54 PM 34.0 °F 29.8 °F 30.9 °F 89% 29.59 in 10.0 mi North 4.6 mph - N/A   Overcast
11:54 PM 33.1 °F 28.7 °F 30.9 °F 92% 29.59 in 6.0 mi North 4.6 mph - N/A   Overcast