Weather History for Petersburg, VA

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Week of September 23, 2012 through September 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 78 °F 68 °F
Mean Temperature 71 °F 65 °F 58 °F
Min Temperature 57 °F 51 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 8 3 0 18
Cooling Degree Days (base 65) 6 2 0 16
Growing Degree Days (base 50) 21 15 8 102
Dew Point  
Dew Point 70 °F 55 °F 34 °F
Precipitation  
Precipitation 0.14 in 0.02 in 0.00 in 0.14 in
Snowdepth - - - -
Wind  
Wind 12 mph 2 mph 0 mph
Gust Wind 18 mph 16 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 30.11 in 29.92 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 26, 2012 Rise Set
Actual Time 7:01 AM EDT 7:00 PM EDT
Civil Twilight 6:35 AM EDT 7:26 PM EDT
Nautical Twilight 6:05 AM EDT 7:56 PM EDT
Astronomical Twilight 5:34 AM EDT 8:26 PM EDT
Moon 4:55 PM EDT (9/26) 3:29 AM EDT (9/26)
Length of Visible Light 12h 50m
Length of Day
11h 58m
Waxing Gibbous, 88% of the Moon is Illuminated
Sep 26
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 73 62 48 66 49 37 100 63 29 30.15 30.08 29.94 10 10 5 12 3 18 0.00  
24 71 58 44 54 44 34 100 71 25 30.24 30.19 30.15 10 9 1 7 1 - 0.00  
25 78 61 44 59 50 43 100 72 36 30.25 30.20 30.12 10 10 5 10 2 16 0.00  
26 84 68 53 66 59 52 100 73 45 30.20 30.16 30.12 10 10 7 9 2 - 0.00 Rain
27 87 71 55 66 61 54 100 75 31 30.18 30.13 30.08 10 8 0 5 0 - 0.00 Fog , Rain
28 84 70 57 70 63 57 100 80 48 30.10 30.03 29.96 10 8 0 9 1 - 0.00 Fog , Rain , Thunderstorm
29 68 62 57 63 57 52 100 82 60 30.04 29.98 29.92 10 9 1 8 3 - 0.14 Rain