Weather History for Gaithersburg, MD

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Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 78 °F 65 °F 44 °F
Mean Temperature 72 °F 56 °F 42 °F
Min Temperature 66 °F 47 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 24 10 0 299
Cooling Degree Days (base 65) 7 0 0 9
Growing Degree Days (base 50) 22 7 0 208
Dew Point  
Dew Point 70 °F 48 °F 27 °F
Precipitation  
Precipitation 2.56 in 0.20 in 0.00 in 6.20 in
Snowdepth - - - -
Wind  
Wind 32 mph 4 mph 0 mph
Gust Wind 54 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.55 in 29.99 in 28.63 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 17, 2012 Rise Set
Actual Time 7:20 AM EDT 6:26 PM EDT
Civil Twilight 6:53 AM EDT 6:53 PM EDT
Nautical Twilight 6:22 AM EDT 7:24 PM EDT
Astronomical Twilight 5:51 AM EDT 7:55 PM EDT
Moon 9:51 AM EDT (10/17) 8:01 PM EDT (10/17)
Length of Visible Light 11h 59m
Length of Day
11h 05m
Waxing Crescent, 7% of the Moon is Illuminated
Oct 17
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
69 | 44 0.02
Average:
- | - -
Overcast
Actual:
68 | 59 2.43
Average:
- | - -
Partly Cloudy
Actual:
78 | 66 0.07
Average:
- | - -
Scattered Clouds
Actual:
77 | 57 0.00
Average:
- | - -
Clear
Actual:
78 | 51 0.00
Average:
- | - -
Scattered Clouds
Actual:
73 | 46 0.00
Average:
- | - -
Partly Cloudy
Actual:
51 | 42 0.09
Average:
- | - -
Partly Cloudy
Actual:
48 | 37 0.00
Average:
- | - -
Overcast
Actual:
60 | 44 0.01
Average:
- | - -
Partly Cloudy
Actual:
66 | 48 0.00
Average:
- | - -
Clear
Actual:
60 | 41 0.00
Average:
- | - -
Clear
Actual:
62 | 37 0.00
Average:
- | - -
Clear
Actual:
57 | 30 0.00
Average:
- | - -
Scattered Clouds
Actual:
73 | 48 0.00
Average:
- | - -
Partly Cloudy
Actual:
68 | 51 0.36
Average:
- | - -
Scattered Clouds
Actual:
60 | 41 0.00
Average:
- | - -
Clear
Actual:
66 | 37 0.00
Average:
- | - -
Thunderstorm
Actual:
68 | 48 0.15
Average:
- | - -
Thunderstorm
Actual:
71 | 51 0.24
Average:
- | - -
Scattered Clouds
Actual:
62 | 44 0.00
Average:
- | - -
Clear
Actual:
62 | 41 0.00
Average:
- | - -
Clear
Actual:
68 | 37 0.00
Average:
- | - -
Scattered Clouds
Actual:
78 | 46 0.00
Average:
- | - -
Scattered Clouds
Actual:
78 | 53 0.00
Average:
- | - -
Partly Cloudy
Actual:
66 | 59 0.00
Average:
- | - -
Mostly Cloudy
Actual:
66 | 59 0.00
Average:
- | - -
Scattered Clouds
Actual:
68 | 55 0.00
Average:
- | - -
Mostly Cloudy
Actual:
57 | 51 0.00
Average:
- | - -
Overcast
Actual:
51 | 44 2.56
Average:
- | - -
Overcast
Actual:
44 | 39 0.27
Average:
- | - -
Partly Cloudy
Actual:
53 | 39 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
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 69 56 44 55 49 43 100 78 43 30.00 29.97 29.93 10 8 0 8 1 - 0.02  
2 68 64 59 66 62 55 100 94 82 29.99 29.96 29.92 10 5 0 8 2 - 2.43  
3 78 72 66 70 67 64 100 91 69 30.15 30.08 29.98 10 6 0 7 1 - 0.07  
4 77 67 57 70 64 55 100 86 57 30.18 30.15 30.13 10 8 2 15 2 17 0.00  
5 78 64 51 59 55 50 100 72 42 30.17 30.11 29.98 10 8 2 10 2 - 0.00  
6 73 60 46 61 51 39 88 71 52 30.08 29.95 29.88 10 10 10 18 5 29 0.00  
7 51 46 42 46 44 39 100 84 71 30.20 30.12 30.05 10 9 3 8 1 - 0.09  
8 48 42 37 43 40 36 100 87 71 30.33 30.26 30.20 10 9 3 6 2 - 0.00  
9 60 52 44 52 47 43 94 86 72 30.25 30.17 30.10 10 9 4 6 1 - 0.01  
10 66 57 48 54 48 39 100 76 45 30.12 30.02 29.90 10 7 0 14 4 22 0.00  
11 60 50 41 39 33 30 81 55 36 30.32 30.24 30.13 10 10 10 15 6 21 0.00  
12 62 50 37 43 37 30 100 69 38 30.46 30.26 30.17 10 10 7 16 3 30 0.00  
13 57 44 30 36 31 27 93 63 36 30.55 30.46 30.33 10 10 10 10 2 21 0.00  
14 73 60 48 55 48 37 87 67 47 30.30 30.15 29.96 10 10 10 14 7 20 0.00  
15 68 60 51 63 57 46 100 83 73 29.96 29.81 29.72 10 9 2 12 6 21 0.36  
16 60 50 41 46 42 39 93 71 45 29.95 29.90 29.84 10 10 9 14 7 24 0.00  
17 66 52 37 50 43 36 100 77 45 30.05 29.99 29.95 10 9 2 10 2 16 0.00  
18 68 58 48 59 52 46 100 81 56 29.99 29.92 29.83 10 9 5 16 7 22 0.15 Thunderstorm
19 71 61 51 63 59 48 100 88 68 29.85 29.73 29.64 10 7 1 9 2 - 0.24 Thunderstorm
20 62 53 44 46 42 37 100 68 42 29.96 29.81 29.71 10 10 10 14 4 20 0.00  
21 62 52 41 43 39 37 93 66 39 30.17 30.08 29.97 10 10 10 17 5 23 0.00  
22 68 52 37 46 42 36 100 72 35 30.24 30.18 30.14 10 10 6 10 1 17 0.00  
23 78 62 46 55 51 45 100 71 42 30.17 30.12 30.07 10 10 10 7 1 - 0.00  
24 78 66 53 57 54 52 100 71 39 30.16 30.12 30.09 10 10 10 10 1 - 0.00  
25 66 62 59 59 57 55 94 85 73 30.25 30.21 30.16 10 6 2 10 4 17 0.00  
26 66 62 59 59 57 55 94 84 73 30.23 30.16 30.09 10 8 2 9 3 - 0.00  
27 68 62 55 55 52 48 100 77 52 30.09 29.97 29.89 10 10 10 9 2 17 0.00  
28 57 54 51 52 48 43 88 78 63 29.89 29.77 29.63 10 9 2 12 5 22 0.00  
29 51 48 44 48 45 41 94 90 87 29.62 29.18 28.63 10 7 3 32 11 54 2.56  
30 44 42 39 43 39 37 93 90 87 29.49 29.20 28.65 10 8 4 29 12 45 0.27  
31 53 46 39 39 36 34 93 74 50 29.67 29.58 29.49 10 10 10 10 3 17 0.00