Weather History for Gaithersburg, MD

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Month of August, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 80 °F 69 °F
Mean Temperature 80 °F 70 °F 63 °F
Min Temperature 71 °F 61 °F 51 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 3
Cooling Degree Days (base 65) 15 5 0 169
Growing Degree Days (base 50) 30 20 13 628
Dew Point  
Dew Point 73 °F 62 °F 46 °F
Precipitation  
Precipitation 1.94 in 0.11 in 0.00 in 3.45 in
Snowdepth - - - -
Wind  
Wind 18 mph 3 mph 0 mph
Gust Wind 29 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.28 in 30.07 in 29.79 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 28, 2014 Rise Set
Actual Time 6:33 AM EDT 7:45 PM EDT
Civil Twilight 6:05 AM EDT 8:12 PM EDT
Nautical Twilight 5:32 AM EDT 8:45 PM EDT
Astronomical Twilight 4:58 AM EDT 9:20 PM EDT
Moon 9:22 AM EDT (8/28) 9:09 PM EDT (8/28)
Length of Visible Light 14h 06m
Length of Day
13h 11m
Waxing Crescent, 8% of the Moon is Illuminated
Aug 28
Waxing Crescent
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter
Sep 24
New

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
77 | 68 0.00
Average:
- | - -
Mostly Cloudy
Actual:
78 | 62 0.03
Average:
- | - -
Thunderstorm
Actual:
78 | 64 0.18
Average:
- | - -
Scattered Clouds
Actual:
80 | 60 0.00
Average:
- | - -
Scattered Clouds
Actual:
86 | 62 0.07
Average:
- | - -
Scattered Clouds
Actual:
78 | 62 0.00
Average:
- | - -
Scattered Clouds
Actual:
80 | 62 0.00
Average:
- | - -
Scattered Clouds
Actual:
80 | 57 0.00
Average:
- | - -
Partly Cloudy
Actual:
80 | 62 0.00
Average:
- | - -
Scattered Clouds
Actual:
84 | 62 0.00
Average:
- | - -
Partly Cloudy
Actual:
80 | 60 0.09
Average:
- | - -
Mostly Cloudy
Actual:
75 | 66 1.94
Average:
- | - -
Partly Cloudy
Actual:
78 | 66 0.00
Average:
- | - -
Scattered Clouds
Actual:
78 | 53 0.00
Average:
- | - -
Clear
Actual:
75 | 51 0.00
Average:
- | - -
Scattered Clouds
Actual:
80 | 53 0.00
Average:
- | - -
Partly Cloudy
Actual:
84 | 60 0.00
Average:
- | - -
Partly Cloudy
Actual:
80 | 62 0.00
Average:
- | - -
Partly Cloudy
Actual:
80 | 64 0.00
Average:
- | - -
Partly Cloudy
Actual:
82 | 64 0.10
Average:
- | - -
Thunderstorm
Actual:
84 | 62 0.08
Average:
- | - -
Partly Cloudy
Actual:
77 | 64 0.20
Average:
- | - -
Overcast
Actual:
69 | 66 0.68
Average:
- | - -
Partly Cloudy
Actual:
75 | 60 0.00
Average:
- | - -
Clear
Actual:
80 | 57 0.00
Average:
- | - -
Clear
Actual:
82 | 57 0.00
Average:
- | - -
Clear
Actual:
86 | 60 0.00
Average:
- | - -
Scattered Clouds
Actual:
78 | 59 0.00
Average:
- | - -
Clear
Actual:
77 | 51 0.00
Average:
- | - -
Mostly Cloudy
Actual:
80 | 62 0.00
Average:
- | - -
Thunderstorm
Actual:
89 | 71 0.08
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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 77 72 68 66 64 61 88 75 57 30.25 30.21 30.17 10 10 8 9 4 - 0.00  
2 78 70 62 66 63 59 94 80 61 30.22 30.17 30.12 10 10 5 10 3 - 0.03  
3 78 71 64 70 67 61 94 84 69 30.15 30.11 30.05 10 10 5 10 2 - 0.18 Thunderstorm
4 80 70 60 66 63 59 100 79 54 30.16 30.13 30.11 10 8 0 8 2 - 0.00  
5 86 74 62 70 63 59 100 72 40 30.13 30.07 29.99 10 8 1 7 1 - 0.07  
6 78 70 62 66 63 59 94 82 61 30.01 29.99 29.96 10 8 2 8 2 - 0.00  
7 80 71 62 64 59 55 94 69 42 30.10 30.04 29.99 10 9 2 9 1 - 0.00  
8 80 68 57 61 57 54 94 67 42 30.19 30.15 30.11 10 10 10 6 1 - 0.00  
9 80 71 62 66 62 57 83 70 54 30.18 30.15 30.12 10 10 10 10 2 - 0.00  
10 84 73 62 66 62 57 94 70 48 30.19 30.16 30.12 10 9 2 9 2 - 0.00  
11 80 70 60 66 62 57 94 77 48 30.17 30.13 30.07 10 10 7 10 4 21 0.09  
12 75 70 66 72 68 64 100 91 83 30.06 29.93 29.81 10 9 2 10 4 17 1.94  
13 78 72 66 70 63 54 100 72 53 29.94 29.85 29.79 10 10 8 18 7 29 0.00  
14 78 66 53 59 53 48 94 65 42 30.01 29.96 29.90 10 10 8 15 4 22 0.00  
15 75 63 51 55 50 46 88 65 38 30.07 30.03 30.00 10 10 8 13 2 17 0.00  
16 80 66 53 57 52 48 94 62 36 30.08 30.04 29.98 10 10 5 9 2 - 0.00  
17 84 72 60 66 62 54 88 69 51 30.00 29.96 29.92 10 10 9 14 3 18 0.00  
18 80 71 62 66 62 57 94 74 57 29.99 29.94 29.86 10 10 8 9 2 - 0.00  
19 80 72 64 70 65 63 94 79 65 29.98 29.91 29.87 10 10 10 9 3 - 0.00  
20 82 73 64 66 65 63 100 79 51 30.08 30.01 29.96 10 9 3 12 4 18 0.10  
21 84 73 62 72 67 61 94 84 58 30.10 30.06 30.03 10 8 2 7 1 - 0.08 Thunderstorm
22 77 70 64 72 68 63 94 89 78 30.06 30.03 30.01 10 7 1 6 1 - 0.20  
23 69 68 66 68 65 63 94 91 88 30.15 30.08 30.03 10 9 3 7 3 - 0.68  
24 75 68 60 64 61 57 94 80 57 30.21 30.17 30.14 10 10 5 6 1 - 0.00  
25 80 68 57 63 58 54 100 73 39 30.24 30.21 30.18 10 9 1 7 1 - 0.00  
26 82 70 57 64 60 55 94 74 48 30.23 30.19 30.13 10 10 9 6 1 - 0.00  
27 86 73 60 70 64 57 94 74 48 30.13 30.05 29.96 10 9 2 7 1 - 0.00  
28 78 68 59 68 60 52 88 67 44 30.14 30.03 29.95 10 10 9 14 3 22 0.00  
29 77 64 51 55 52 48 88 64 46 30.26 30.21 30.14 10 10 10 9 2 - 0.00  
30 80 71 62 70 64 57 94 79 61 30.28 30.23 30.16 10 10 10 13 5 16 0.00  
31 89 80 71 73 71 66 94 80 52 30.18 30.11 30.03 10 9 2 13 6 20 0.08 Thunderstorm