Weather History for Boston, MA

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Friday, January 17, 2003

  Actual Average Record
Temperature  
Mean Temperature 21 °F 28 °F  
Max Temperature 30 °F 35 °F 59 °F (1913)
Min Temperature 10 °F 22 °F -4 °F (1907)
Degree Days  
Heating Degree Days 44 36  
Month to date heating degree days 608  
Since 1 July heating degree days 2602  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 12 °F    
Average Humidity 65    
Maximum Humidity 89    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.11 in 1.25 in (1909)
Month to date precipitation 1.88  
Year to date precipitation 1.88  
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 7 miles    
Events Snow    
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

Jan. 17, 2003 Rise Set
Actual Time 7:09 AM EST 4:38 PM EST
Civil Twilight 6:38 AM EST 5:09 PM EST
Nautical Twilight 6:04 AM EST 5:44 PM EST
Astronomical Twilight 5:30 AM EST 6:17 PM EST
Moon 3:44 PM EST (1/17) 6:48 AM EST (1/17)
Length of Visible Light 10h 30m
Length of Day
9h 28m
Waxing Gibbous, 99% of the Moon is Illuminated
Jan 17
Waxing Gibbous
Jan 18
Full
Jan 25
Last Quarter
Feb 1
New
Feb 9
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 25.0 °F 18.1 °F 10.0 °F 53% 29.99 in 10.0 mi South 5.8 mph - N/A   Overcast
1:54 AM 25.0 °F 20.7 °F 10.9 °F 55% 29.95 in 10.0 mi South 3.5 mph - N/A   Overcast
2:54 AM 25.0 °F 20.7 °F 9.0 °F 51% 29.89 in 10.0 mi South 3.5 mph - N/A   Overcast
3:33 AM 24.8 °F 19.1 °F 12.2 °F 59% 29.88 in 3.0 mi South 4.6 mph - 0.00 in Snow Light Snow
3:43 AM 24.8 °F 19.1 °F 15.8 °F 69% 29.87 in 2.5 mi SW 4.6 mph - 0.00 in Snow Light Snow
3:54 AM 23.0 °F 17.0 °F 17.1 °F 78% 29.87 in 1.8 mi South 4.6 mph - 0.00 in Snow Light Snow
4:00 AM 23.0 °F 14.7 °F 17.6 °F 80% 29.88 in 2.0 mi SSW 6.9 mph - 0.00 in Snow Light Snow
4:24 AM 21.2 °F 11.7 °F 17.6 °F 86% 29.88 in 3.0 mi SSW 8.1 mph - 0.00 in Snow Light Snow
4:54 AM 23.0 °F 18.4 °F 19.0 °F 85% 29.86 in 4.0 mi WSW 3.5 mph - 0.00 in Snow Light Snow
5:54 AM 23.0 °F - 19.0 °F 85% 29.84 in 10.0 mi Calm Calm - 0.00 in   Overcast
6:19 AM 23.0 °F 15.8 °F 17.6 °F 80% 29.84 in 5.0 mi WNW 5.8 mph - 0.00 in Snow Light Snow
6:54 AM 23.0 °F 14.7 °F 18.0 °F 81% 29.84 in 2.0 mi NNW 6.9 mph - 0.00 in Snow Light Snow
7:26 AM 23.0 °F 15.8 °F 17.6 °F 80% 29.81 in 1.8 mi North 5.8 mph - 0.00 in Snow Light Snow
7:54 AM 21.9 °F 14.5 °F 19.0 °F 89% 29.80 in 2.0 mi North 5.8 mph - 0.00 in Snow Light Snow
8:13 AM 21.2 °F 11.7 °F 17.6 °F 86% 29.79 in 2.5 mi North 8.1 mph - 0.00 in Snow Light Snow
8:20 AM 21.2 °F 11.7 °F 17.6 °F 86% 29.79 in 4.0 mi North 8.1 mph - 0.00 in Snow Light Snow
8:54 AM 23.0 °F 13.1 °F 17.1 °F 78% 29.79 in 10.0 mi North 9.2 mph - 0.00 in   Scattered Clouds
9:54 AM 24.1 °F 12.5 °F 15.1 °F 69% 29.78 in 10.0 mi North 12.7 mph - N/A   Scattered Clouds
10:54 AM 26.1 °F 16.8 °F 15.1 °F 63% 29.74 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
11:54 AM 27.0 °F 15.6 °F 14.0 °F 58% 29.71 in 10.0 mi North 13.8 mph - N/A   Overcast
12:54 PM 28.0 °F 17.0 °F 12.9 °F 53% 29.69 in 10.0 mi NW 13.8 mph - N/A   Overcast
1:54 PM 28.9 °F 18.6 °F 12.9 °F 51% 29.69 in 10.0 mi NNW 12.7 mph - N/A   Overcast
2:54 PM 30.0 °F 19.5 °F 12.0 °F 47% 29.71 in 10.0 mi NNW 13.8 mph - N/A   Scattered Clouds
3:54 PM 28.9 °F 18.2 °F 10.9 °F 47% 29.72 in 10.0 mi NNW 13.8 mph - N/A   Partly Cloudy
4:54 PM 28.0 °F 17.5 °F 10.9 °F 49% 29.74 in 10.0 mi NNW 12.7 mph - N/A   Partly Cloudy
5:54 PM 26.1 °F 14.0 °F 10.0 °F 51% 29.77 in 10.0 mi NNW 15.0 mph 21.9 mph N/A   Clear
6:54 PM 24.1 °F 11.5 °F 9.0 °F 53% 29.82 in 10.0 mi NW 15.0 mph 23.0 mph N/A   Clear
7:54 PM 21.0 °F 7.1 °F 6.1 °F 53% 29.85 in 10.0 mi NNW 16.1 mph - N/A   Partly Cloudy
8:54 PM 18.0 °F 2.2 °F 3.0 °F 52% 29.87 in 10.0 mi NNW 18.4 mph - N/A   Partly Cloudy
9:54 PM 16.0 °F 0.1 °F 1.9 °F 54% 29.90 in 10.0 mi NW 17.3 mph - N/A   Mostly Cloudy
10:54 PM 12.9 °F -2.2 °F -4.0 °F 47% 29.95 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds
11:54 PM 10.0 °F -7.6 °F -5.1 °F 51% 29.97 in 10.0 mi NW 17.3 mph - N/A   Partly Cloudy