Baltimore, MD

1:43 PM EDT on August 22, 2017 (GMT -0400)
Baltimore-Washington International

Weather History for KBWI - December, 2011

Change the Weather History Date:

Wednesday, December 21, 2011

  Actual Average Record
Temperature  
Mean Temperature 53 °F 35 °F  
Max Temperature 62 °F 44 °F 71 °F (2013)
Min Temperature 44 °F 27 °F 5 °F (1942)
Degree Days  
Heating Degree Days 12 30  
Month to date heating degree days 465 570  
Since 1 July heating degree days 1179 1474  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1558 1164  
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 86    
Maximum Humidity 92    
Minimum Humidity 80    
Precipitation  
Precipitation 0.09 in 0.11 in 1.27 in (1905)
Month to date precipitation 2.73 2.37  
Year to date precipitation 54.75 40.88  
Snow  
Snow 0.00 in 0.10 in 4.30 in (1962)
Month to date snowfall T 1.8  
Since 1 July snowfall T 2.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 18 mph    
Max Gust Speed 25 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

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 21, 2011 Rise Set
Actual Time 7:22 AM EST 4:47 PM EST
Civil Twilight 6:52 AM EST 5:17 PM EST
Nautical Twilight 6:18 AM EST 5:50 PM EST
Astronomical Twilight 5:45 AM EST 6:23 PM EST
Moon 3:53 AM EST (12/21) 2:04 PM EST (12/21)
Length of Visible Light 10h 24m
Length of Day
9h 24m
Waning Crescent, 12% of the Moon is Illuminated
Dec 21
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 44.1 °F 39.9 °F 85% 30.09 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
1:54 AM 44.1 °F 39.9 °F 85% 30.08 in 8.0 mi Calm Calm - N/A   Overcast
2:54 AM 45.0 °F 41.0 °F 86% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
3:54 AM 45.0 °F 39.9 °F 82% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
4:05 AM 44.6 °F 41.0 °F 87% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
4:54 AM 46.0 °F 41.0 °F 83% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
5:54 AM 46.0 °F 41.0 °F 83% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
6:25 AM 44.6 °F 41.0 °F 87% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
6:54 AM 45.0 °F 41.0 °F 86% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
7:54 AM 45.0 °F 42.1 °F 90% 29.99 in 7.0 mi Calm Calm - N/A   Overcast
8:54 AM 48.0 °F 44.1 °F 86% 29.97 in 8.0 mi Calm Calm - N/A   Overcast
9:54 AM 51.1 °F 46.0 °F 83% 29.95 in 7.0 mi Variable 3.5 mph - 0.00 in   Overcast
10:12 AM 51.8 °F 46.4 °F 82% 29.95 in 7.0 mi NNE 3.5 mph - N/A   Overcast
10:54 AM 53.1 °F 48.0 °F 83% 29.94 in 6.0 mi Calm Calm - 0.00 in Rain Light Rain
11:54 AM 59.0 °F 53.1 °F 81% 29.90 in 10.0 mi SSW 12.7 mph 20.7 mph 0.00 in Rain Light Rain
12:13 PM 60.8 °F 53.6 °F 77% 29.88 in 10.0 mi SSW 16.1 mph 23.0 mph 0.00 in Rain Light Rain
12:54 PM 59.0 °F 55.4 °F 88% 29.87 in 10.0 mi SSW 8.1 mph - N/A Rain Light Rain
1:14 PM 59.0 °F 55.4 °F 88% 29.86 in 10.0 mi SSW 9.2 mph 17.3 mph 0.00 in Rain Light Rain
1:31 PM 59.0 °F 55.4 °F 88% 29.85 in 8.0 mi SSW 9.2 mph 17.3 mph 0.01 in Rain Light Rain
1:54 PM 59.0 °F 55.0 °F 87% 29.84 in 8.0 mi SSW 10.4 mph 18.4 mph 0.01 in   Overcast
2:07 PM 59.0 °F 55.4 °F 88% 29.84 in 8.0 mi SSW 11.5 mph 19.6 mph 0.00 in Rain Light Rain
2:39 PM 59.0 °F 55.4 °F 88% 29.83 in 6.0 mi SSW 11.5 mph - 0.01 in Rain Light Rain
2:54 PM 59.0 °F 55.9 °F 90% 29.83 in 6.0 mi SSW 10.4 mph 18.4 mph 0.02 in Rain Light Rain
3:28 PM 59.0 °F 57.2 °F 94% 29.83 in 6.0 mi SW 13.8 mph 19.6 mph 0.01 in Rain Light Rain
3:54 PM 60.1 °F 57.0 °F 90% 29.82 in 9.0 mi SSW 15.0 mph 21.9 mph 0.02 in Rain Light Rain
4:38 PM 60.8 °F 57.2 °F 88% 29.80 in 5.0 mi SSW 15.0 mph 20.7 mph 0.02 in Rain Light Rain
4:54 PM 60.1 °F 57.9 °F 93% 29.80 in 9.0 mi SSW 13.8 mph 19.6 mph 0.03 in   Overcast
5:09 PM 60.8 °F 57.2 °F 88% 29.80 in 9.0 mi SSW 13.8 mph 24.2 mph N/A   Mostly Cloudy
5:41 PM 60.8 °F 57.2 °F 88% 29.78 in 10.0 mi SSW 10.4 mph 18.4 mph 0.00 in   Mostly Cloudy
5:54 PM 60.1 °F 57.9 °F 93% 29.78 in 10.0 mi SSW 10.4 mph 17.3 mph 0.00 in   Mostly Cloudy
6:06 PM 60.8 °F 57.2 °F 88% 29.78 in 10.0 mi SSW 10.4 mph - N/A   Overcast
6:20 PM 60.8 °F 57.2 °F 88% 29.79 in 10.0 mi SSW 9.2 mph 21.9 mph N/A   Overcast
6:54 PM 62.1 °F 59.0 °F 90% 29.79 in 10.0 mi SSW 13.8 mph 20.7 mph N/A   Overcast
7:54 PM 62.1 °F 59.0 °F 90% 29.78 in 10.0 mi SSW 17.3 mph 24.2 mph N/A   Mostly Cloudy
8:01 PM 62.6 °F 59.0 °F 88% 29.79 in 10.0 mi SW 15.0 mph 24.2 mph N/A   Scattered Clouds
8:20 PM 62.6 °F 59.0 °F 88% 29.80 in 10.0 mi SW 17.3 mph 24.2 mph N/A   Mostly Cloudy
8:54 PM 62.1 °F 59.0 °F 90% 29.80 in 10.0 mi SW 12.7 mph 20.7 mph N/A   Mostly Cloudy
9:03 PM 62.6 °F 59.0 °F 88% 29.81 in 10.0 mi SW 12.7 mph 24.2 mph N/A   Scattered Clouds
9:54 PM 61.0 °F 57.9 °F 90% 29.83 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
10:54 PM 60.1 °F 57.0 °F 90% 29.86 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
11:54 PM 57.0 °F 54.0 °F 89% 29.89 in 10.0 mi West 4.6 mph - N/A   Overcast