Weather History for Richmond, VA

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 81 °F 61 °F
Mean Temperature 79 °F 73 °F 58 °F
Min Temperature 72 °F 64 °F 49 °F
Degree Days  
Heating Degree Days (base 65) 7 1 0 17
Cooling Degree Days (base 65) 14 8 0 250
Growing Degree Days (base 50) 28 22 7 659
Dew Point  
Dew Point 75 °F 64 °F 42 °F
Precipitation  
Precipitation 3.76 in 0.37 in 0.00 in 8.95 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 5 mph 0 mph
Gust Wind 47 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.39 in 30.01 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 10, 2011 Rise Set
Actual Time 6:46 AM EDT 7:25 PM EDT
Civil Twilight 6:20 AM EDT 7:51 PM EDT
Nautical Twilight 5:49 AM EDT 8:22 PM EDT
Astronomical Twilight 5:17 AM EDT 8:54 PM EDT
Moon 6:18 PM EDT (9/10) 5:06 AM EDT (9/10)
Length of Visible Light 13h 31m
Length of Day
12h 38m
Waxing Gibbous, 97% of the Moon is Illuminated
Sep 10
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 8.95 Normal Month Total: 4.13
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
85 | 59 0.00
Average:
86 | 65 0.14
Partly Cloudy
Actual:
81 | 65 0.00
Average:
85 | 65 0.14
Partly Cloudy
Actual:
86 | 66 0.00
Average:
85 | 65 0.14
Partly Cloudy
Actual:
89 | 69 0.00
Average:
85 | 64 0.14
Partly Cloudy
Actual:
86 | 71 T
Average:
85 | 64 0.14
Thunderstorm
Actual:
78 | 65 1.02
Average:
84 | 64 0.14
Thunderstorm
Actual:
80 | 71 3.76
Average:
84 | 63 0.14
Thunderstorm
Actual:
83 | 72 1.28
Average:
84 | 63 0.15
Partly Cloudy
Actual:
84 | 69 0.00
Average:
84 | 63 0.14
Scattered Clouds
Actual:
86 | 65 0.00
Average:
83 | 62 0.15
Scattered Clouds
Actual:
87 | 66 0.00
Average:
83 | 62 0.15
Scattered Clouds
Actual:
86 | 65 0.00
Average:
83 | 62 0.15
Scattered Clouds
Actual:
87 | 63 0.00
Average:
82 | 61 0.15
Scattered Clouds
Actual:
88 | 66 0.00
Average:
82 | 61 0.14
Rain
Actual:
88 | 59 T
Average:
82 | 61 0.14
Partly Cloudy
Actual:
66 | 49 0.00
Average:
81 | 60 0.15
Rain
Actual:
61 | 57 0.04
Average:
81 | 60 0.14
Rain
Actual:
65 | 57 T
Average:
81 | 59 0.15
Mostly Cloudy
Actual:
74 | 57 0.00
Average:
80 | 59 0.14
Mostly Cloudy
Actual:
76 | 62 T
Average:
80 | 59 0.13
Thunderstorm
Actual:
79 | 66 0.67
Average:
79 | 58 0.13
Rain
Actual:
80 | 70 T
Average:
79 | 58 0.13
Rain
Actual:
76 | 68 0.47
Average:
79 | 57 0.13
Rain
Actual:
75 | 67 0.03
Average:
78 | 57 0.13
Rain
Actual:
78 | 68 T
Average:
78 | 56 0.13
Fog
Actual:
83 | 69 0.00
Average:
78 | 56 0.12
Thunderstorm
Actual:
84 | 66 1.57
Average:
77 | 56 0.13
Rain
Actual:
83 | 66 0.08
Average:
77 | 55 0.12
Partly Cloudy
Actual:
82 | 61 0.00
Average:
76 | 55 0.13
Rain
Actual:
82 | 60 0.03
Average:
76 | 54 0.12
 

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

2011 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  
1 85 72 59 62 59 55 90 67 43 30.21 30.15 30.06 10 10 10 13 3 15 0.00  
2 81 73 65 65 62 58 87 68 48 30.11 30.07 30.04 10 10 10 10 5 16 0.00  
3 86 76 66 70 65 61 93 74 55 30.07 30.01 29.94 10 10 7 12 4 16 0.00  
4 89 79 69 71 67 64 84 70 55 29.97 29.91 29.84 10 10 8 16 8 21 0.00  
5 86 79 71 73 70 66 90 76 61 29.87 29.81 29.76 10 10 10 22 10 26 T  
6 78 72 65 73 66 64 100 94 88 29.93 29.88 29.80 10 7 1 21 9 28 1.02 Rain , Thunderstorm
7 80 76 71 75 73 69 100 97 93 29.97 29.92 29.88 10 6 0 24 8 32 3.76 Fog , Rain , Thunderstorm
8 83 78 72 75 73 71 100 90 79 29.92 29.87 29.81 10 7 2 13 3 15 1.28 Rain , Thunderstorm
9 84 77 69 72 69 63 100 76 51 29.90 29.86 29.83 10 8 2 13 4 22 0.00  
10 86 76 65 69 65 63 93 71 48 30.01 29.94 29.89 10 10 6 13 4 17 0.00  
11 87 77 66 68 63 55 100 69 37 30.09 30.04 30.01 10 8 4 15 4 22 0.00  
12 86 76 65 67 63 60 93 69 44 30.09 30.04 29.98 10 10 9 9 3 13 0.00  
13 87 75 63 66 63 59 100 70 40 30.04 30.00 29.96 10 9 4 13 4 17 0.00  
14 88 77 66 67 64 58 93 65 36 30.00 29.96 29.91 10 9 5 12 4 14 0.00  
15 88 74 59 69 61 44 100 74 48 30.21 29.96 29.86 10 9 4 33 10 47 T Rain
16 66 58 49 50 45 42 80 63 45 30.37 30.32 30.21 10 10 10 15 7 21 0.00  
17 61 59 57 56 53 48 87 80 72 30.39 30.34 30.30 10 10 10 13 6 20 0.04 Rain
18 65 61 57 57 55 52 86 80 73 30.36 30.33 30.31 10 10 10 13 8 17 T Rain
19 74 66 57 60 57 55 93 73 53 30.30 30.23 30.15 10 10 10 10 5 14 0.00  
20 76 69 62 66 63 60 100 82 64 30.18 30.14 30.10 10 10 7 10 4 14 T  
21 79 73 66 70 68 65 97 84 71 30.19 30.14 30.10 10 9 0 32 3 43 0.67 Fog , Rain , Thunderstorm
22 80 75 70 72 71 69 100 85 69 30.15 30.12 30.09 10 6 0 8 3 10 T Fog , Rain
23 76 72 68 73 71 69 100 94 87 30.12 29.99 29.89 10 7 1 15 7 20 0.47 Rain
24 75 71 67 72 69 66 100 94 87 30.08 30.02 29.96 10 5 0 9 3 18 0.03 Fog , Rain
25 78 73 68 70 69 68 100 91 82 30.12 30.06 30.02 10 8 0 8 3 12 T Fog , Rain
26 83 76 69 70 69 68 100 82 63 30.04 29.99 29.93 10 8 0 13 4 16 0.00 Fog
27 84 75 66 73 69 64 100 85 69 29.96 29.90 29.83 10 8 1 30 5 37 1.57 Rain , Thunderstorm
28 83 75 66 70 68 65 100 82 63 29.91 29.86 29.80 10 9 4 14 6 18 0.08 Rain
29 82 72 61 66 61 50 100 69 37 29.83 29.78 29.73 10 9 3 20 7 24 0.00  
30 82 71 60 62 57 45 97 68 38 29.79 29.73 29.66 10 10 7 17 6 23 0.03 Rain