Weather History for KBOS - September, 2012

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Monday, September 24, 2012

  Actual Average Record
Temperature  
Mean Temperature 59 °F 62 °F  
Max Temperature 67 °F 70 °F 90 °F (1959)
Min Temperature 51 °F 54 °F 39 °F (1963)
Degree Days  
Heating Degree Days 6 4  
Month to date heating degree days 38 51  
Since 1 July heating degree days 38 64  
Cooling Degree Days 0 1  
Month to date cooling degree days 70 74  
Year to date cooling degree days 897 733  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 51    
Maximum Humidity 68    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.13 in 1.25 in (1955)
Month to date precipitation 3.08 2.69  
Year to date precipitation 26.15 31.31  
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 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 16 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 24, 2012 Rise Set
Actual Time 6:34 AM EDT 6:36 PM EDT
Civil Twilight 6:06 AM EDT 7:04 PM EDT
Nautical Twilight 5:33 AM EDT 7:37 PM EDT
Astronomical Twilight 4:59 AM EDT 8:10 PM EDT
Moon 3:25 PM EDT (9/24) 12:41 AM EDT (9/24)
Length of Visible Light 12h 58m
Length of Day
12h 02m
Waxing Gibbous, 70% of the Moon is Illuminated
Sep 24
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
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 55.9 °F 41.0 °F 57% 30.10 in 10.0 mi NW 6.9 mph - N/A   Clear
1:54 AM 54.0 °F 42.1 °F 64% 30.09 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
2:54 AM 54.0 °F 41.0 °F 62% 30.09 in 10.0 mi WNW 10.4 mph - N/A   Clear
3:54 AM 52.0 °F 41.0 °F 66% 30.09 in 10.0 mi WNW 6.9 mph - N/A   Clear
4:54 AM 51.1 °F 39.9 °F 66% 30.10 in 10.0 mi WNW 10.4 mph - N/A   Clear
5:54 AM 52.0 °F 39.0 °F 61% 30.10 in 10.0 mi NW 9.2 mph - N/A   Clear
6:54 AM 51.1 °F 39.0 °F 63% 30.12 in 10.0 mi WNW 9.2 mph 17.3 mph N/A   Clear
7:54 AM 53.1 °F 39.0 °F 59% 30.12 in 10.0 mi NNW 9.2 mph - N/A   Clear
8:54 AM 55.9 °F 39.9 °F 55% 30.13 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
9:54 AM 59.0 °F 41.0 °F 51% 30.13 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
10:54 AM 62.1 °F 39.0 °F 43% 30.12 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
11:54 AM 64.0 °F 37.0 °F 37% 30.12 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
12:54 PM 64.0 °F 39.0 °F 40% 30.09 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
1:54 PM 66.0 °F 37.0 °F 34% 30.07 in 10.0 mi West 13.8 mph 19.6 mph N/A   Scattered Clouds
2:54 PM 64.0 °F 36.0 °F 35% 30.06 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
3:54 PM 66.0 °F 37.0 °F 34% 30.06 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
4:54 PM 64.9 °F 35.1 °F 33% 30.06 in 10.0 mi West 12.7 mph 21.9 mph N/A   Scattered Clouds
5:54 PM 63.0 °F 37.0 °F 38% 30.06 in 10.0 mi West 9.2 mph 18.4 mph N/A   Scattered Clouds
6:54 PM 62.1 °F 37.9 °F 41% 30.07 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
7:54 PM 60.1 °F 39.0 °F 46% 30.08 in 10.0 mi West 5.8 mph - N/A   Clear
8:54 PM 60.1 °F 37.9 °F 44% 30.09 in 10.0 mi West 6.9 mph - N/A   Clear
9:54 PM 59.0 °F 39.9 °F 49% 30.10 in 10.0 mi West 8.1 mph - N/A   Clear
10:54 PM 55.0 °F 42.1 °F 62% 30.11 in 10.0 mi SW 5.8 mph - N/A   Clear
11:54 PM 54.0 °F 41.0 °F 62% 30.12 in 10.0 mi WSW 8.1 mph - N/A   Clear