Weather History for Frederick, MD

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 49 °F 33 °F
Mean Temperature 56 °F 40 °F 28 °F
Min Temperature 42 °F 32 °F 21 °F
Degree Days  
Heating Degree Days (base 65) 36 25 8 766
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 0 0 10
Dew Point  
Dew Point 57 °F 35 °F 19 °F
Precipitation  
Precipitation 0.21 in 0.02 in 0.00 in 0.66 in
Snowdepth - - - -
Wind  
Wind 32 mph 4 mph 0 mph
Gust Wind 47 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.50 in 30.06 in 29.30 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 07, 2012 Rise Set
Actual Time 7:16 AM EST 4:45 PM EST
Civil Twilight 6:46 AM EST 5:15 PM EST
Nautical Twilight 6:13 AM EST 5:49 PM EST
Astronomical Twilight 5:40 AM EST 6:21 PM EST
Moon 12:35 AM EST (12/7) 12:40 PM EST (12/7)
Length of Visible Light 10h 29m
Length of Day
9h 29m
Last Quarter, 39% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
48 | 30 0.00
Average:
- | - -
Snow
Actual:
51 | 30 0.00
Average:
- | - -
Partly Cloudy
Actual:
69 | 39 0.00
Average:
- | - -
Partly Cloudy
Actual:
71 | 42 0.00
Average:
- | - -
Partly Cloudy
Actual:
60 | 32 0.00
Average:
- | - -
Clear
Actual:
46 | 21 0.00
Average:
- | - -
Rain
Actual:
48 | 32 0.00
Average:
- | - -
Rain
Actual:
57 | 41 0.00
Average:
- | - -
Rain
Actual:
48 | 42 0.03
Average:
- | - -
Fog
Actual:
59 | 42 0.01
Average:
- | - -
Rain
Actual:
50 | 32 0.00
Average:
- | - -
Snow
Actual:
44 | 30 0.00
Average:
- | - -
Snow
Actual:
51 | 21 0.00
Average:
- | - -
Snow
Actual:
53 | 23 0.00
Average:
- | - -
Snow
Actual:
55 | 26 0.00
Average:
- | - -
Rain
Actual:
50 | 42 0.00
Average:
- | - -
Rain
Actual:
50 | 42 0.10
Average:
- | - -
Rain
Actual:
57 | 37 0.00
Average:
- | - -
Snow
Actual:
53 | 32 0.00
Average:
- | - -
Snow
Actual:
46 | 32 0.16
Average:
- | - -
Rain
Actual:
51 | 35 0.21
Average:
- | - -
Snow
Actual:
41 | 32 0.00
Average:
- | - -
Snow
Actual:
46 | 21 0.00
Average:
- | - -
Snow
Actual:
37 | 24 0.07
Average:
- | - -
Fog
Actual:
51 | 26 0.00
Average:
- | - -
Snow
Actual:
35 | 30 0.08
Average:
- | - -
Rain
Actual:
37 | 33 0.00
Average:
- | - -
Scattered Clouds
Actual:
44 | 28 0.00
Average:
- | - -
Snow
Actual:
37 | 30 0.00
Average:
- | - -
Partly Cloudy
Actual:
35 | 28 0.00
Average:
- | - -
Scattered Clouds
Actual:
33 | 24 0.00
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

2012 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 48 39 30 41 33 30 100 93 71 30.48 30.42 30.38 10 5 1 7 2 - 0.00  
2 51 40 30 46 39 30 100 95 62 30.43 30.29 30.16 7 3 0 6 1 - 0.00 Fog , Snow
3 69 54 39 57 47 39 100 94 60 30.28 30.22 30.17 10 8 3 6 2 - 0.00  
4 71 56 42 57 49 43 100 85 53 30.25 30.17 30.02 10 7 2 10 2 - 0.00  
5 60 46 32 50 38 25 77 65 41 30.36 30.17 30.00 10 10 10 20 9 29 0.00  
6 46 34 21 28 26 21 100 85 46 30.42 30.33 30.27 10 10 10 8 2 - 0.00  
7 48 40 32 43 36 28 100 93 76 30.26 30.14 30.00 10 7 1 9 1 - 0.00 Rain
8 57 49 41 50 44 41 100 96 72 30.05 29.97 29.91 10 5 0 7 3 - 0.00 Fog , Rain
9 48 45 42 48 45 43 100 100 100 30.21 30.11 30.00 4 2 0 9 2 - 0.03 Fog , Rain
10 59 50 42 57 49 43 100 99 82 29.99 29.76 29.60 10 3 0 18 2 24 0.01 Fog
11 50 41 32 41 36 30 100 81 57 30.25 30.00 29.73 10 10 10 15 7 30 0.00 Rain
12 44 37 30 34 32 30 100 92 57 30.48 30.38 30.25 10 10 7 5 1 - 0.00 Snow
13 51 36 21 34 28 21 100 91 41 30.50 30.43 30.38 10 8 5 7 0 - 0.00 Snow
14 53 38 23 32 27 23 100 89 35 30.38 30.31 30.23 10 8 3 9 1 - 0.00 Snow
15 55 40 26 36 32 27 100 81 41 30.33 30.24 30.15 10 10 7 8 1 - 0.00 Rain , Snow
16 50 46 42 43 40 36 100 86 71 30.16 30.01 29.87 10 7 2 7 3 - 0.00 Rain
17 50 46 42 50 46 43 100 100 94 29.89 29.77 29.57 5 3 1 6 1 - 0.10 Fog , Rain
18 57 47 37 50 41 32 100 85 59 29.84 29.67 29.55 10 7 0 23 6 29 0.00 Fog , Rain
19 53 42 32 39 34 30 100 80 54 30.20 29.99 29.82 10 9 7 16 2 22 0.00 Snow
20 46 39 32 45 36 32 100 93 62 30.22 30.00 29.47 10 8 5 14 2 23 0.16 Rain , Snow
21 51 43 35 52 33 25 100 76 60 29.58 29.44 29.30 10 9 4 23 13 31 0.21 Rain
22 41 36 32 27 25 23 70 65 49 30.05 29.83 29.57 10 10 10 32 16 47 0.00 Snow
23 46 34 21 27 24 21 100 75 39 30.08 30.02 29.92 10 10 10 17 6 21 0.00 Snow
24 37 30 24 32 29 25 100 95 70 30.12 30.01 29.94 10 6 0 9 2 - 0.07 Snow
25 51 38 26 41 33 27 100 94 62 30.28 30.11 29.94 10 4 0 7 1 - 0.00 Fog
26 35 32 30 36 31 28 100 95 87 30.29 29.93 29.47 10 6 0 18 8 24 0.08 Rain , Snow
27 37 35 33 36 31 28 100 87 70 30.05 29.75 29.47 10 10 7 22 11 33 0.00 Rain
28 44 36 28 30 29 27 100 84 53 30.17 30.09 30.04 10 9 7 7 4 16 0.00  
29 37 34 30 36 31 28 100 90 75 30.06 29.83 29.61 10 7 0 28 5 33 0.00 Rain , Snow
30 35 32 28 30 25 21 87 72 56 30.35 30.13 29.85 10 10 7 24 12 34 0.00  
31 33 28 24 28 24 19 87 78 65 30.34 30.20 30.01 10 10 10 9 6 - 0.00