History for Gaithersburg, 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 71 °F 49 °F 37 °F
Mean Temperature 60 °F 41 °F 32 °F
Min Temperature 48 °F 33 °F 23 °F
Degree Days
Heating Degree Days (base 65) 34 24 6 742
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 1 0 20
Dew Point
Dew Point 55 °F 32 °F 16 °F
Precipitation
Precipitation 1.41 in 0.09 in 0.00 in 2.84 in
Snowdepth - - - -
Wind
Wind 33 mph 5 mph 0 mph
Gust Wind 47 mph 22 mph 16 mph
Sea Level Pressure
Sea Level Pressure 30.48 in 30.05 in 29.30 in
Monthly Graph
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Date:
Astronomy
May. 25, 2013 Rise Set
Actual Time 7:27 AM EST 4:55 PM EST
Civil Twilight 6:57 AM EST 5:25 PM EST
Nautical Twilight 6:24 AM EST 5:58 PM EST
Astronomical Twilight 5:51 AM EST 6:31 PM EST
Moon 7:23 PM EST (12/30) 8:36 AM EST (12/30)
Length Of Visible Light 10h 27m
Length of Day
9h 27m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
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Monthly Calendar Overview
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Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Scattered Clouds
Actual: 48 | 30
Precip: 0.00
Average: - | -
Precip: -
2 Partly Cloudy
Actual: 55 | 30
Precip: 0.00
Average: - | -
Precip: -
3 Scattered Clouds
Actual: 66 | 42
Precip: 0.00
Average: - | -
Precip: -
4 Partly Cloudy
Actual: 71 | 48
Precip: 0.00
Average: - | -
Precip: -
5 Scattered Clouds
Actual: 64 | 33
Precip: 0.00
Average: - | -
Precip: -
6 Clear
Actual: 42 | 26
Precip: 0.00
Average: - | -
Precip: -
7 Mostly Cloudy
Actual: 48 | 33
Precip: 0.00
Average: - | -
Precip: -
8 Partly Cloudy
Actual: 62 | 44
Precip: 0.00
Average: - | -
Precip: -
9 Overcast
Actual: 51 | 46
Precip: 0.20
Average: - | -
Precip: -
10 Mostly Cloudy
Actual: 60 | 46
Precip: 0.00
Average: - | -
Precip: -
11 Partly Cloudy
Actual: 51 | 33
Precip: 0.00
Average: - | -
Precip: -
12 Scattered Clouds
Actual: 44 | 32
Precip: 0.00
Average: - | -
Precip: -
13 Clear
Actual: 46 | 26
Precip: 0.00
Average: - | -
Precip: -
14 Clear
Actual: 51 | 23
Precip: 0.00
Average: - | -
Precip: -
15 Scattered Clouds
Actual: 51 | 30
Precip: 0.00
Average: - | -
Precip: -
16 Partly Cloudy
Actual: 48 | 42
Precip: 0.01
Average: - | -
Precip: -
17 Overcast
Actual: 53 | 44
Precip: 0.04
Average: - | -
Precip: -
18 Partly Cloudy
Actual: 57 | 39
Precip: 0.00
Average: - | -
Precip: -
19 Partly Cloudy
Actual: 51 | 28
Precip: 0.00
Average: - | -
Precip: -
20 Scattered Clouds
Actual: 48 | 33
Precip: 0.46
Average: - | -
Precip: -
21 Overcast
Actual: 55 | 33
Precip: 0.31
Average: - | -
Precip: -
22 Partly Cloudy
Actual: 39 | 30
Precip: 0.00
Average: - | -
Precip: -
23 Clear
Actual: 46 | 26
Precip: 0.00
Average: - | -
Precip: -
24 Partly Cloudy
Actual: 37 | 26
Precip: 0.23
Average: - | -
Precip: -
25 Partly Cloudy
Actual: 46 | 30
Precip: 0.00
Average: - | -
Precip: -
26 Mostly Cloudy
Actual: 39 | 30
Precip: 1.41
Average: - | -
Precip: -
27 Mostly Cloudy
Actual: 37 | 33
Precip: 0.01
Average: - | -
Precip: -
28 Scattered Clouds
Actual: 39 | 28
Precip: 0.00
Average: - | -
Precip: -
29 Partly Cloudy
Actual: 37 | 32
Precip: 0.17
Average: - | -
Precip: -
30 Partly Cloudy
Actual: 37 | 26
Precip: 0.00
Average: - | -
Precip: -
31 Partly Cloudy
Actual: 37 | 26
Precip: 0.00
Average: - | -
Precip: -
 
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 48 39 30 39 34 27 100 84 66 30.47 30.41 30.36 10 6 0 6 1 - 0.00  
2 55 42 30 48 39 28 100 85 62 30.41 30.28 30.16 10 5 0 9 2 - 0.00  
3 66 54 42 54 49 41 100 82 60 30.29 30.24 30.17 10 8 0 7 2 - 0.00  
4 71 60 48 55 49 46 100 71 50 30.26 30.18 30.03 10 9 4 10 3 - 0.00  
5 64 50 33 46 33 19 67 52 38 30.34 30.17 30.02 10 10 10 18 9 29 0.00  
6 42 34 26 25 21 18 80 60 39 30.41 30.33 30.26 10 10 10 7 3 - 0.00  
7 48 40 33 43 35 25 93 77 66 30.26 30.13 29.99 10 10 8 8 5 - 0.00  
8 62 53 44 48 46 43 100 85 59 30.05 29.96 29.91 10 6 0 8 2 - 0.00  
9 51 48 46 48 46 43 100 94 87 30.21 30.12 29.99 10 3 0 9 2 16 0.20  
10 60 53 46 55 53 46 100 89 82 29.98 29.74 29.61 10 6 0 16 5 29 0.00  
11 51 42 33 43 33 27 87 69 50 30.25 30.01 29.72 10 10 10 14 8 24 0.00  
12 44 38 32 30 27 25 87 69 49 30.45 30.38 30.25 10 10 10 7 1 - 0.00  
13 46 36 26 25 22 19 93 59 34 30.48 30.42 30.36 10 10 10 7 1 - 0.00  
14 51 37 23 28 23 19 93 63 30 30.36 30.30 30.24 10 10 9 8 1 - 0.00  
15 51 40 30 34 28 23 86 59 41 30.32 30.24 30.15 10 10 10 12 3 - 0.00  
16 48 45 42 45 41 34 100 83 66 30.16 29.99 29.86 10 8 3 10 5 - 0.01  
17 53 48 44 52 47 45 100 95 88 29.88 29.78 29.57 6 2 0 9 3 - 0.04  
18 57 49 39 52 38 28 100 68 48 29.81 29.66 29.55 10 9 2 23 9 32 0.00  
19 51 40 28 36 32 27 93 70 54 30.20 29.99 29.82 10 10 10 16 3 26 0.00  
20 48 40 33 46 33 28 93 75 57 30.23 30.02 29.46 10 9 5 17 5 28 0.46  
21 55 44 33 54 28 19 100 64 48 29.57 29.43 29.30 10 10 4 22 15 32 0.31  
22 39 34 30 21 19 18 64 52 42 30.04 29.83 29.56 10 10 10 33 17 43 0.00  
23 46 36 26 23 19 18 74 58 32 30.06 29.99 29.92 10 10 10 15 6 21 0.00  
24 37 32 26 32 26 19 93 79 60 30.11 30.01 29.92 10 6 0 9 2 - 0.23  
25 46 38 30 39 32 28 100 84 57 30.27 30.11 29.93 10 7 0 10 2 21 0.00  
26 39 34 30 37 30 25 100 88 70 30.27 29.85 29.43 10 6 0 21 7 34 1.41  
27 37 35 33 34 27 23 93 72 56 30.03 29.75 29.43 10 10 6 26 14 47 0.01  
28 39 34 28 27 25 23 86 70 56 30.16 30.09 30.03 10 10 10 15 7 21 0.00  
29 37 34 32 34 29 25 93 81 65 30.05 29.78 29.59 10 8 0 26 5 39 0.17  
30 37 32 26 25 20 16 69 56 45 30.34 30.14 29.83 10 10 10 32 16 40 0.00  
31 37 32 26 25 19 16 74 60 48 30.33 30.19 30.01 10 10 10 8 4 - 0.00  
Comma Delimited File