Baltimore, MD

6:53 PM EDT on September 27, 2016 (GMT -0400)
Baltimore-Washington International

Weather History for KBWI - September, 2011

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Thursday, September 15, 2011

  Actual Average Record
Temperature  
Mean Temperature 63 °F 68 °F  
Max Temperature 77 °F 78 °F 97 °F (1927)
Min Temperature 49 °F 58 °F 40 °F (1873)
Degree Days  
Heating Degree Days 2 1  
Month to date heating degree days 4 7  
Since 1 July heating degree days 4 8  
Cooling Degree Days 0 4  
Month to date cooling degree days 106 92  
Year to date cooling degree days 1491 1102  
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 80    
Maximum Humidity 93    
Minimum Humidity 67    
Precipitation  
Precipitation 0.13 in 0.14 in 3.20 in (1904)
Month to date precipitation 9.51 1.89  
Year to date precipitation 42.45 29.74  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 21 mph    
Max Gust Speed 30 mph    
Visibility 9 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. 15, 2011 Rise Set
Actual Time 6:47 AM EDT 7:15 PM EDT
Civil Twilight 6:20 AM EDT 7:42 PM EDT
Nautical Twilight 5:49 AM EDT 8:13 PM EDT
Astronomical Twilight 5:16 AM EDT 8:46 PM EDT
Moon 8:32 PM EDT (9/15) 9:51 AM EDT (9/15)
Length of Visible Light 13h 21m
Length of Day
12h 27m
Waning Gibbous, 91% of the Moon is Illuminated
Sep 15
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 70.0 °F 62.1 °F 76% 29.89 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
1:54 AM 69.1 °F 62.1 °F 78% 29.90 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
2:54 AM 66.9 °F 62.1 °F 84% 29.89 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:54 AM 66.0 °F 63.0 °F 90% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:54 AM 66.0 °F 63.0 °F 90% 29.87 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:54 AM 64.0 °F 62.1 °F 93% 29.87 in 8.0 mi West 3.5 mph - N/A   Scattered Clouds
6:54 AM 66.2 °F 62.6 °F 88% 29.88 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
7:54 AM 69.1 °F 63.0 °F 81% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:54 AM 72.0 °F 64.0 °F 76% 29.89 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
9:54 AM 73.9 °F 64.0 °F 71% 29.91 in 10.0 mi North 9.2 mph 17.3 mph N/A   Mostly Cloudy
10:54 AM 75.0 °F 64.0 °F 69% 29.90 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
11:54 AM 75.9 °F 64.0 °F 67% 29.90 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
12:23 PM 77.0 °F 64.4 °F 65% 29.90 in 10.0 mi Variable 6.9 mph - N/A   Overcast
12:45 PM 75.2 °F 64.4 °F 69% 29.90 in 10.0 mi NNW 11.5 mph - N/A   Overcast
12:54 PM 73.9 °F 64.0 °F 71% 29.90 in 10.0 mi NW 10.4 mph - N/A   Overcast
1:54 PM 73.9 °F 63.0 °F 68% 29.91 in 10.0 mi NNW 10.4 mph - N/A   Overcast
2:54 PM 70.0 °F 63.0 °F 78% 29.92 in 10.0 mi NW 5.8 mph - 0.00 in Rain Light Rain
3:20 PM 68.0 °F 64.4 °F 88% 29.93 in 1.5 mi WNW 6.9 mph - 0.01 in Rain Rain
3:40 PM 66.2 °F 64.4 °F 94% 29.93 in 5.0 mi WNW 5.8 mph - 0.13 in Rain Light Rain
3:54 PM 66.9 °F 64.0 °F 90% 29.94 in 8.0 mi WNW 8.1 mph - 0.13 in   Overcast
4:44 PM 64.4 °F 59.0 °F 83% 29.97 in 10.0 mi North 16.1 mph 28.8 mph 0.00 in   Overcast
4:54 PM 64.0 °F 57.9 °F 80% 29.98 in 10.0 mi NNW 12.7 mph 26.5 mph 0.00 in Rain Light Rain
5:29 PM 60.8 °F 53.6 °F 77% 30.01 in 10.0 mi NNW 13.8 mph 29.9 mph 0.00 in   Light Drizzle
5:54 PM 57.9 °F 54.0 °F 87% 30.04 in 9.0 mi North 16.1 mph 23.0 mph 0.00 in Rain Light Rain
6:50 PM 57.2 °F 50.0 °F 77% 30.08 in 10.0 mi NNW 10.4 mph 23.0 mph 0.00 in   Overcast
6:54 PM 57.9 °F 50.0 °F 75% 30.08 in 10.0 mi North 18.4 mph 25.3 mph 0.00 in   Overcast
7:54 PM 57.9 °F 46.9 °F 67% 30.12 in 10.0 mi NNW 11.5 mph - N/A   Overcast
8:54 PM 57.0 °F 46.0 °F 67% 30.14 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
9:54 PM 53.1 °F 46.9 °F 80% 30.17 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
10:54 PM 53.1 °F 46.0 °F 77% 30.18 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
11:54 PM 51.1 °F 46.0 °F 83% 30.20 in 10.0 mi NW 3.5 mph - N/A   Clear