Weather History for Frederick, MD

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 46 °F 33 °F
Mean Temperature 55 °F 37 °F 25 °F
Min Temperature 50 °F 30 °F 15 °F
Degree Days  
Heating Degree Days (base 65) 40 28 10 665
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 5 0 0 7
Dew Point  
Dew Point 57 °F 31 °F 9 °F
Precipitation  
Precipitation 0.91 in 0.04 in 0.00 in 1.18 in
Snowdepth - - - -
Wind  
Wind 28 mph 3 mph 0 mph
Gust Wind 40 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.70 in 30.27 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 13, 2011 Rise Set
Actual Time 7:20 AM EST 4:46 PM EST
Civil Twilight 6:50 AM EST 5:16 PM EST
Nautical Twilight 6:16 AM EST 5:50 PM EST
Astronomical Twilight 5:44 AM EST 6:22 PM EST
Moon 7:58 PM EST (12/13) 9:30 AM EST (12/13)
Length of Visible Light 10h 25m
Length of Day
9h 25m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 13
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
51 | 28 0.00
Average:
- | - -
Scattered Clouds
Actual:
57 | 21 0.00
Average:
- | - -
Clear
Actual:
51 | 21 0.00
Average:
- | - -
Fog
Actual:
55 | 26 0.00
Average:
- | - -
Partly Cloudy
Actual:
57 | 32 0.00
Average:
- | - -
Rain
Actual:
60 | 50 0.27
Average:
- | - -
Rain
Actual:
59 | 42 0.91
Average:
- | - -
Scattered Clouds
Actual:
42 | 28 0.00
Average:
- | - -
Snow
Actual:
50 | 21 0.00
Average:
- | - -
Scattered Clouds
Actual:
44 | 28 0.00
Average:
- | - -
Scattered Clouds
Actual:
44 | 17 0.00
Average:
- | - -
Scattered Clouds
Actual:
44 | 15 0.00
Average:
- | - -
Scattered Clouds
Actual:
35 | 17 0.00
Average:
- | - -
Clear
Actual:
- | - 0.00
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Partly Cloudy
Actual:
41 | 35 0.00
Average:
- | - -
Mostly Cloudy
Actual:
39 | 32 0.00
Average:
- | - -
Mostly Cloudy
Actual:
42 | 28 0.00
Average:
- | - -
Clear
Actual:
37 | 21 0.00
Average:
- | - -
Overcast
Actual:
50 | 50 0.00
Average:
- | - -
Overcast
Actual:
42 | 41 0.00
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Mostly Cloudy
Actual:
50 | 35 0.00
Average:
- | - -
Rain
Actual:
46 | 32 0.00
Average:
- | - -
Clear
Actual:
46 | 23 0.00
Average:
- | - -
Partly Cloudy
Actual:
46 | 32 0.00
Average:
- | - -
Clear
Actual:
37 | 30 0.00
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Overcast
Actual:
33 | 33 0.00
Average:
- | - -
Clear
Actual:
35 | 35 0.00
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 51 40 28 30 26 21 93 61 38 30.34 30.28 30.14 10 10 10 9 4 - 0.00  
2 57 39 21 34 25 21 100 68 25 30.48 30.37 30.32 10 8 1 13 2 - 0.00  
3 51 36 21 30 26 21 100 74 43 30.69 30.63 30.58 10 8 2 6 1 - 0.00  
4 55 40 26 39 32 25 100 80 47 30.58 30.49 30.39 10 8 0 12 2 16 0.00 Fog
5 57 44 32 48 38 32 100 81 54 30.39 30.31 30.21 10 9 5 6 0 - 0.00  
6 60 55 50 57 55 46 100 95 87 30.15 30.04 29.95 10 9 5 10 5 - 0.27 Rain
7 59 52 42 57 51 39 100 95 87 29.91 29.78 29.62 10 7 2 15 5 18 0.91 Rain
8 42 35 28 32 25 21 93 65 46 30.35 30.18 29.84 10 10 10 28 12 40 0.00  
9 50 36 21 32 27 21 100 80 43 30.35 30.30 30.22 10 8 4 14 2 16 0.00 Snow
10 44 36 28 30 22 9 100 67 27 30.46 30.35 30.26 10 10 10 17 4 24 0.00  
11 44 30 17 30 18 10 100 71 27 30.70 30.64 30.56 10 10 7 4 0 - 0.00  
12 44 30 15 27 21 16 100 80 43 30.63 30.57 30.49 10 9 5 6 0 - 0.00  
13 35 25 17 28 21 18 100 97 75 30.49 30.48 30.46 7 5 2 0 0 - 0.00  
14 - - - - - - - - - - - - - - - - - - 0.00  
15 - - - - - - - - - - - - - - - - - - -  
16 41 38 35 30 29 28 75 67 61 30.24 30.22 30.20 10 10 10 12 6 - 0.00  
17 39 36 32 32 28 27 100 76 61 30.25 30.22 30.18 10 10 10 13 5 20 0.00  
18 42 35 28 30 28 27 93 79 53 30.35 30.27 30.22 10 10 10 12 3 16 0.00  
19 37 27 21 30 25 21 100 98 75 30.33 30.28 30.24 10 9 7 7 1 - 0.00  
20 50 - 50 43 43 43 76 76 76 30.19 30.16 30.13 10 10 10 4 2 - 0.00  
21 42 41 41 41 41 41 100 96 93 29.99 29.98 29.96 5 4 3 0 0 - 0.00  
22 - - - - - - - - - - - - - - - - - - -  
23 50 42 35 41 36 32 100 91 66 30.27 30.24 30.15 10 10 10 16 5 23 0.00  
24 46 39 32 37 30 25 100 73 46 30.50 30.39 30.25 10 10 10 15 4 21 0.00 Rain
25 46 34 23 34 29 23 100 85 57 30.42 30.24 30.05 10 9 5 12 2 - 0.00  
26 46 39 32 32 30 28 93 62 53 30.35 30.26 30.03 10 10 10 18 8 29 0.00  
27 37 34 30 32 31 30 100 93 81 30.23 30.12 30.00 10 10 10 9 2 - 0.00  
28 - - - - - - - - - - - - - - - - - - -  
29 33 33 33 28 28 27 81 78 75 30.09 30.07 30.05 10 10 10 5 5 - 0.00  
30 35 - 35 36 36 36 100 100 100 30.07 30.07 30.07 10 10 10 0 0 - 0.00  
31 - - - - - - - - - - - - - - - - - - -