Weather History for Frederick, MD

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Week of September 23, 2012 through September 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 75 °F 68 °F
Mean Temperature 73 °F 63 °F 56 °F
Min Temperature 62 °F 51 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 9 4 0 30
Cooling Degree Days (base 65) 8 2 0 14
Growing Degree Days (base 50) 23 13 6 93
Dew Point  
Dew Point 68 °F 53 °F 41 °F
Precipitation  
Precipitation 0.24 in 0.06 in 0.00 in 0.43 in
Snowdepth - - - -
Wind  
Wind 16 mph 4 mph 0 mph
Gust Wind 22 mph 16 mph 10 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 30.12 in 29.96 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 27, 2012 Rise Set
Actual Time 7:02 AM EDT 6:57 PM EDT
Civil Twilight 6:35 AM EDT 7:24 PM EDT
Nautical Twilight 6:04 AM EDT 7:55 PM EDT
Astronomical Twilight 5:32 AM EDT 8:27 PM EDT
Moon 5:27 PM EDT (9/27) 4:29 AM EDT (9/27)
Length of Visible Light 12h 48m
Length of Day
11h 55m
Waxing Gibbous, 94% of the Moon is Illuminated
Sep 27
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Daily Weather History & Observations

2012 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  
23 69 58 46 50 45 43 100 72 40 30.20 30.12 29.97 10 10 10 16 7 22 0.00  
24 68 56 44 50 46 41 100 83 37 30.27 30.20 30.12 10 10 10 14 1 20 0.00 Thunderstorm
25 75 58 41 54 47 41 100 81 38 30.23 30.17 30.09 10 9 2 10 2 - 0.00  
26 80 70 59 64 60 55 100 86 57 30.15 30.12 30.07 10 10 7 14 6 16 0.02 Rain , Thunderstorm
27 84 73 62 68 64 61 100 87 51 30.20 30.14 30.10 10 9 2 8 4 10 0.24 Rain , Thunderstorm
28 75 68 60 66 60 50 100 85 60 30.12 30.07 30.02 10 7 1 12 3 - 0.17 Rain
29 71 60 48 54 51 48 100 84 50 30.06 30.01 29.96 10 10 10 9 4 - 0.00