Weather History for Hagerstown, MD

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 47 °F 35 °F
Mean Temperature 57 °F 41 °F 29 °F
Min Temperature 54 °F 33 °F 20 °F
Degree Days  
Heating Degree Days (base 65) 36 24 8 758
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 7 0 0 8
Dew Point  
Dew Point 57 °F 30 °F 12 °F
Precipitation  
Precipitation 0.72 in 0.06 in 0.00 in 1.53 in
Snowdepth - - - -
Wind  
Wind 36 mph 6 mph 0 mph
Gust Wind 43 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.71 in 30.20 in 29.42 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 12, 2011 Rise Set
Actual Time 7:22 AM EST 4:46 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 6:55 PM EST (12/12) 8:52 AM EST (12/12)
Length of Visible Light 10h 25m
Length of Day
9h 24m
Waning Gibbous, 96% of the Moon is Illuminated
Dec 12
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full

Weather History Calendar

Precipitation Actual month total 1.53 Normal Month Total: 2.89
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
48 | 32 0.00
Average:
46 | 32 0.11
Clear
Actual:
54 | 25 0.00
Average:
46 | 31 0.11
Clear
Actual:
46 | 27 0.00
Average:
45 | 31 0.12
Clear
Actual:
53 | 36 0.00
Average:
45 | 30 0.11
Partly Cloudy
Actual:
58 | 36 0.00
Average:
44 | 30 0.11
Rain
Actual:
59 | 54 0.03
Average:
44 | 30 0.10
Rain
Actual:
56 | 45 0.72
Average:
44 | 29 0.10
Scattered Clouds
Actual:
40 | 32 T
Average:
43 | 29 0.11
Clear
Actual:
47 | 27 0.00
Average:
43 | 29 0.10
Scattered Clouds
Actual:
41 | 33 0.00
Average:
43 | 28 0.10
Clear
Actual:
39 | 21 0.00
Average:
42 | 28 0.10
Clear
Actual:
38 | 20 0.00
Average:
42 | 28 0.10
Scattered Clouds
Actual:
47 | 22 0.00
Average:
42 | 27 0.10
Mostly Cloudy
Actual:
47 | 35 0.00
Average:
41 | 27 0.08
Rain
Actual:
54 | 43 T
Average:
41 | 27 0.09
Scattered Clouds
Actual:
60 | 38 0.00
Average:
41 | 26 0.08
Snow
Actual:
38 | 33 T
Average:
41 | 26 0.08
Partly Cloudy
Actual:
41 | 30 0.00
Average:
40 | 26 0.09
Partly Cloudy
Actual:
49 | 26 0.00
Average:
40 | 26 0.10
Rain
Actual:
50 | 46 T
Average:
40 | 25 0.09
Rain
Actual:
46 | 38 0.05
Average:
40 | 25 0.09
Rain
Actual:
57 | 44 0.00
Average:
40 | 25 0.10
Rain
Actual:
48 | 42 0.09
Average:
39 | 25 0.10
Partly Cloudy
Actual:
41 | 33 0.00
Average:
39 | 24 0.09
Scattered Clouds
Actual:
49 | 27 0.00
Average:
39 | 24 0.09
Partly Cloudy
Actual:
45 | 38 0.00
Average:
39 | 24 0.08
Rain
Actual:
40 | 36 0.64
Average:
39 | 24 0.07
Partly Cloudy
Actual:
42 | 34 0.00
Average:
39 | 24 0.08
Snow
Actual:
35 | 23 T
Average:
39 | 24 0.07
Scattered Clouds
Actual:
47 | 27 0.00
Average:
39 | 24 0.06
Partly Cloudy
Actual:
50 | 33 0.00
Average:
38 | 23 0.08
 

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 48 40 32 28 26 24 69 56 42 30.37 30.32 30.19 10 10 10 13 4 17 0.00  
2 54 40 25 28 26 23 85 59 32 30.60 30.43 30.35 10 10 9 17 4 22 0.00  
3 46 37 27 30 27 23 85 69 53 30.69 30.63 30.57 10 9 4 10 3 13 0.00  
4 53 45 36 37 35 30 92 73 54 30.54 30.46 30.39 10 9 5 15 9 20 0.00  
5 58 47 36 51 42 33 86 76 66 30.38 30.27 30.13 10 9 5 9 1 13 0.00  
6 59 57 54 57 55 52 93 90 86 30.11 29.97 29.89 10 6 0 14 7 17 0.03 Fog , Rain
7 56 51 45 55 47 30 100 93 86 29.92 29.80 29.62 10 4 0 14 5 17 0.72 Fog , Rain
8 40 36 32 28 23 21 70 59 48 30.36 30.18 29.89 10 10 10 36 13 43 T  
9 47 37 27 29 25 23 85 64 42 30.35 30.30 30.24 10 10 7 9 3 13 0.00  
10 41 37 33 27 19 12 75 55 35 30.58 30.42 30.28 10 10 10 17 8 23 0.00  
11 39 30 21 18 14 12 81 58 35 30.71 30.64 30.57 10 10 9 7 2 9 0.00  
12 38 29 20 23 19 14 84 66 48 30.63 30.57 30.51 10 9 6 9 1 12 0.00  
13 47 35 22 27 23 19 92 67 42 30.53 30.48 30.43 10 8 4 8 2 10 0.00  
14 47 41 35 32 29 25 75 62 49 30.45 30.38 30.26 10 10 7 9 3 13 0.00  
15 54 49 43 50 40 32 71 66 61 30.23 30.01 29.86 10 10 6 15 10 20 T Rain
16 60 49 38 44 27 23 67 57 46 30.27 30.18 29.91 10 10 10 31 13 37 0.00  
17 38 36 33 29 24 21 70 61 52 30.26 30.23 30.18 10 9 2 17 9 21 T Snow
18 41 36 30 26 23 22 78 63 48 30.35 30.29 30.23 10 10 10 15 5 20 0.00  
19 49 38 26 33 26 21 81 63 45 30.30 30.18 30.08 10 10 7 15 6 20 0.00  
20 50 48 46 42 38 33 86 69 52 30.19 30.14 30.07 10 8 2 15 6 20 T Rain
21 46 42 38 52 42 37 100 95 89 30.09 29.91 29.72 10 3 0 8 4 9 0.05 Fog , Rain
22 57 51 44 46 42 38 77 66 55 30.16 30.01 29.84 10 8 2 13 5 17 0.00 Rain
23 48 45 42 46 38 29 93 76 58 30.27 30.03 29.77 10 7 2 23 12 29 0.09 Rain
24 41 37 33 31 23 19 76 60 44 30.50 30.41 30.23 10 10 7 24 6 29 0.00  
25 49 38 27 27 24 21 75 57 39 30.39 30.21 30.03 10 10 10 13 4 16 0.00  
26 45 42 38 26 25 23 59 52 45 30.35 30.27 30.08 10 10 10 30 14 37 0.00  
27 40 38 36 37 34 25 92 73 54 30.19 29.62 29.42 10 4 0 16 9 22 0.64 Fog , Rain
28 42 38 34 31 21 14 76 60 44 30.04 29.84 29.56 10 10 10 30 18 38 0.00  
29 35 29 23 29 23 15 82 68 53 30.09 30.02 29.97 10 9 2 14 4 16 T Snow
30 47 37 27 34 29 25 92 79 65 30.07 29.97 29.87 10 5 2 9 1 16 0.00  
31 50 42 33 38 35 30 89 78 66 30.15 29.99 29.85 10 9 5 17 5 22 0.00