History for Maryland Science Center, MD

Month of December, 2012 — View Current Conditions
Month of December, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 69 °F 54 °F 42 °F
Mean Temperature 63 °F 48 °F 38 °F
Min Temperature 56 °F 41 °F 32 °F
Degree Days
Heating Degree Days (base 65) 27 17 2 535
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 1 0 43
Dew Point
Dew Point 58 °F 34 °F 16 °F
Precipitation
Precipitation 0.96 in 0.10 in 0.00 in 3.19 in
Snowdepth - - - -
Wind
Wind 0 mph - -
Gust Wind 0 mph - -
Sea Level Pressure
Sea Level Pressure 30.50 in 30.03 in 29.24 in
Monthly Graph
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Date:
Astronomy
  Rise Set
Actual Time 7:13 AM EST 4:43 PM EST
Civil Twilight 6:43 AM EST 5:13 PM EST
Nautical Twilight 6:09 AM EST 5:46 PM EST
Astronomical Twilight 5:37 AM EST 6:19 PM EST
Moon 12:32 AM EST (12/7) 12:37 PM EST (12/7)
Length Of Visible Light 10h 29m
Length of Day
9h 30m
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
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Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 3.19 Normal month total 3.41
« Previous Month « 2011 December 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Clear
Actual: 55 | 43
Precip: 0.00
Average: 51 | 37
Precip: 0.11
2 Clear
Actual: 55 | 44
Precip: 0.00
Average: 51 | 37
Precip: 0.11
3 Clear
Actual: 69 | 56
Precip: 0.00
Average: 50 | 37
Precip: 0.12
4 Clear
Actual: 68 | 51
Precip: 0.00
Average: 50 | 36
Precip: 0.12
5 Clear
Actual: 65 | 43
Precip: 0.00
Average: 50 | 36
Precip: 0.12
6 Clear
Actual: 46 | 36
Precip: 0.00
Average: 49 | 36
Precip: 0.11
7 Clear
Actual: 51 | 39
Precip: 0.03
Average: 49 | 35
Precip: 0.12
8 Clear
Actual: 57 | 49
Precip: 0.00
Average: 48 | 35
Precip: 0.12
9 Clear
Actual: 54 | 48
Precip: 0.29
Average: 48 | 35
Precip: 0.11
10 Clear
Actual: 63 | 48
Precip: 0.00
Average: 48 | 34
Precip: 0.11
11 Clear
Actual: 63 | 45
Precip: 0.10
Average: 47 | 34
Precip: 0.12
12 Clear
Actual: 49 | 42
Precip: 0.00
Average: 47 | 34
Precip: 0.12
13 Clear
Actual: 52 | 40
Precip: 0.00
Average: 47 | 33
Precip: 0.12
14 Clear
Actual: 57 | 36
Precip: 0.00
Average: 46 | 33
Precip: 0.12
15 Clear
Actual: 54 | 41
Precip: 0.00
Average: 46 | 33
Precip: 0.11
16 Clear
Actual: 55 | 48
Precip: 0.02
Average: 46 | 32
Precip: 0.11
17 Clear
Actual: 53 | 50
Precip: 0.10
Average: 45 | 32
Precip: 0.11
18 Clear
Actual: 62 | 45
Precip: 0.00
Average: 45 | 32
Precip: 0.11
19 Clear
Actual: 57 | 41
Precip: 0.00
Average: 45 | 32
Precip: 0.12
20 Clear
Actual: 51 | 44
Precip: 0.67
Average: 45 | 31
Precip: 0.11
21 Clear
Actual: 60 | 40
Precip: 0.58
Average: 44 | 31
Precip: 0.11
22 Clear
Actual: 45 | 36
Precip: 0.00
Average: 44 | 31
Precip: 0.11
23 Clear
Actual: 52 | 34
Precip: 0.00
Average: 44 | 31
Precip: 0.12
24 Clear
Actual: 43 | 36
Precip: 0.20
Average: 44 | 31
Precip: 0.11
25 Clear
Actual: 50 | 38
Precip: 0.00
Average: 44 | 30
Precip: 0.11
26 Clear
Actual: 52 | 34
Precip: 0.96
Average: 43 | 30
Precip: 0.10
27 Clear
Actual: 47 | 40
Precip: 0.10
Average: 43 | 30
Precip: 0.10
28 Clear
Actual: 46 | 38
Precip: 0.00
Average: 43 | 30
Precip: 0.09
29 Clear
Actual: 43 | 35
Precip: 0.14
Average: 43 | 30
Precip: 0.09
30 Clear
Actual: 42 | 34
Precip: 0.00
Average: 43 | 30
Precip: 0.08
31 Clear
Actual: 44 | 32
Precip: 0.00
Average: 43 | 30
Precip: 0.09
 
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 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 55 49 43 41 38 32 83 71 58 30.48 30.40 30.32 - - - - - - 0.00  
2 55 50 44 47 43 41 92 82 71 30.40 30.27 30.13 - - - - - - 0.00  
3 69 63 56 52 49 45 83 68 53 30.30 30.21 30.13 - - - 0 - 0 0.00  
4 68 60 51 53 51 47 83 71 58 30.26 30.15 29.99 - - - - - - 0.00  
5 65 54 43 49 32 20 80 54 28 30.31 30.13 29.97 - - - - - - 0.00  
6 46 41 36 27 22 19 59 48 37 30.39 30.32 30.27 - - - - - - 0.00  
7 51 45 39 45 37 28 80 70 59 30.25 30.12 29.98 - - - - - - 0.03  
8 57 53 49 51 48 45 93 83 72 30.02 29.94 29.90 - - - - - - 0.00  
9 54 52 48 50 47 44 89 85 77 30.20 30.11 30.01 - - - - - - 0.29  
10 63 56 48 58 53 46 93 86 78 29.81 29.66 29.57 - - - - - - 0.00  
11 63 54 45 51 33 24 78 59 39 30.22 29.98 29.65 - - - - - - 0.10  
12 49 46 42 28 26 24 57 48 39 30.44 30.36 30.22 - - - - - - 0.00  
13 52 46 40 27 24 21 55 44 32 30.50 30.40 30.32 - - - - - - 0.00  
14 57 47 36 28 25 17 70 46 21 30.39 30.28 30.16 - - - - - - 0.00  
15 54 48 41 40 32 27 71 58 44 30.32 30.23 30.14 - - - - - - 0.00  
16 55 52 48 49 44 40 89 75 61 30.14 29.98 29.86 - - - - - - 0.02  
17 53 52 50 50 48 47 89 86 83 29.86 29.76 29.57 - - - - - - 0.10  
18 62 54 45 51 40 28 96 69 41 29.78 29.62 29.52 - - - - - - 0.00  
19 57 49 41 33 31 29 62 52 41 30.17 29.96 29.78 - - - - - - 0.00  
20 51 48 44 47 34 30 86 68 50 30.22 30.02 29.54 - - - - - - 0.67  
21 60 50 40 55 30 21 87 64 40 29.51 29.38 29.24 - - - - - - 0.58  
22 45 41 36 21 20 18 52 43 33 29.99 29.79 29.51 - - - - - - 0.00  
23 52 43 34 24 19 17 56 41 26 30.11 30.00 29.91 - - - - - - 0.00  
24 43 40 36 35 28 23 92 71 50 30.10 30.00 29.91 - - - - - - 0.20  
25 50 44 38 35 33 26 85 69 52 30.27 30.10 29.92 - - - - - - 0.00  
26 52 43 34 45 33 25 86 73 59 30.26 29.86 29.34 - - - - - - 0.96  
27 47 44 40 40 27 22 83 63 43 30.00 29.71 29.33 - - - - - - 0.10  
28 46 42 38 26 25 24 64 55 45 30.18 30.07 30.01 - - - - - - 0.00  
29 43 39 35 35 30 26 89 72 55 30.04 29.77 29.55 - - - - - - 0.14  
30 42 38 34 26 20 16 55 44 33 30.30 30.10 29.81 - - - - - - 0.00  
31 44 38 32 22 20 19 59 48 37 30.31 30.17 30.00 - - - - - - 0.00  
Comma Delimited File