Weather History for Gaithersburg, MD

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Week of September 22, 2013 through September 28, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 75 °F 69 °F 64 °F
Mean Temperature 62 °F 59 °F 55 °F
Min Temperature 51 °F 48 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 10 6 3 43
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 9 5 61
Dew Point  
Dew Point 59 °F 49 °F 39 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 10 mph 2 mph 0 mph
Gust Wind 20 mph 17 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.07 in 29.77 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 25, 2013 Rise Set
Actual Time 6:59 AM EDT 7:00 PM EDT
Civil Twilight 6:32 AM EDT 7:27 PM EDT
Nautical Twilight 6:01 AM EDT 7:58 PM EDT
Astronomical Twilight 5:29 AM EDT 8:29 PM EDT
Moon 11:07 PM EDT (9/25) 1:01 PM EDT (9/25)
Length of Visible Light 12h 54m
Length of Day
12h 01m
Waning Gibbous, 64% of the Moon is Illuminated
Sep 25
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
22 69 60 50 59 52 46 100 75 46 29.99 29.86 29.77 10 8 0 10 4 - 0.00  
23 64 55 46 46 44 39 93 69 45 30.13 30.07 29.99 10 10 8 10 1 20 0.00  
24 69 56 44 50 44 41 93 71 40 30.15 30.07 29.99 10 10 10 10 2 16 0.00  
25 75 60 44 52 44 39 93 66 29 30.02 29.97 29.92 10 10 10 5 0 - 0.00  
26 73 62 51 52 50 48 94 72 43 30.11 30.03 29.96 10 10 10 7 1 - 0.00  
27 69 60 51 59 54 48 94 81 60 30.28 30.20 30.11 10 10 10 9 2 - 0.00  
28 66 58 51 54 52 48 94 80 56 30.35 30.29 30.26 10 10 10 6 2 - 0.00