Weather History for Richmond, VA

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 81 °F 72 °F
Mean Temperature 80 °F 71 °F 60 °F
Min Temperature 71 °F 60 °F 47 °F
Degree Days  
Heating Degree Days (base 65) 5 0 0 10
Cooling Degree Days (base 65) 15 6 0 185
Growing Degree Days (base 50) 30 20 10 628
Dew Point  
Dew Point 72 °F 60 °F 32 °F
Precipitation  
Precipitation 0.83 in 0.10 in 0.00 in 2.45 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 22 mph 6 mph 0 mph
Gust Wind 33 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 30.02 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 11, 2012 Rise Set
Actual Time 6:03 AM EDT 8:08 PM EDT
Civil Twilight 5:34 AM EDT 8:37 PM EDT
Nautical Twilight 4:58 AM EDT 9:13 PM EDT
Astronomical Twilight 4:20 AM EDT 9:51 PM EDT
Moon 12:47 AM EDT (5/11) 11:32 AM EDT (5/11)
Length of Visible Light 15h 03m
Length of Day
14h 05m
Waning Gibbous, 63% of the Moon is Illuminated
May 11
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Weather History Calendar

Precipitation Actual month total 2.45 Normal Month Total: 3.78
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
87 | 63 0.01
Average:
75 | 51 0.11
Thunderstorm
Actual:
89 | 64 0.05
Average:
75 | 51 0.11
Rain
Actual:
82 | 58 T
Average:
75 | 51 0.11
Thunderstorm
Actual:
88 | 64 0.29
Average:
75 | 51 0.11
Thunderstorm
Actual:
84 | 64 0.19
Average:
75 | 52 0.11
Rain
Actual:
74 | 57 T
Average:
76 | 52 0.12
Partly Cloudy
Actual:
74 | 54 0.00
Average:
76 | 52 0.11
Partly Cloudy
Actual:
78 | 55 0.00
Average:
76 | 53 0.11
Thunderstorm
Actual:
76 | 58 0.83
Average:
76 | 53 0.11
Rain
Actual:
72 | 53 0.01
Average:
77 | 53 0.12
Scattered Clouds
Actual:
72 | 48 0.00
Average:
77 | 53 0.11
Partly Cloudy
Actual:
79 | 47 0.00
Average:
77 | 54 0.12
Rain
Actual:
79 | 58 0.03
Average:
77 | 54 0.12
Rain
Actual:
75 | 61 0.11
Average:
77 | 54 0.12
Rain
Actual:
82 | 64 0.59
Average:
78 | 55 0.12
Thunderstorm
Actual:
81 | 63 T
Average:
78 | 55 0.13
Fog
Actual:
74 | 59 0.00
Average:
78 | 55 0.12
Partly Cloudy
Actual:
75 | 54 0.00
Average:
78 | 56 0.13
Partly Cloudy
Actual:
79 | 50 0.00
Average:
79 | 56 0.12
Rain
Actual:
79 | 54 0.04
Average:
79 | 56 0.13
Rain
Actual:
77 | 63 0.01
Average:
79 | 57 0.13
Thunderstorm
Actual:
81 | 65 T
Average:
79 | 57 0.13
Thunderstorm
Actual:
83 | 62 T
Average:
80 | 57 0.14
Thunderstorm
Actual:
82 | 59 0.08
Average:
80 | 58 0.13
Fog
Actual:
86 | 66 T
Average:
80 | 58 0.13
Fog
Actual:
86 | 63 0.00
Average:
80 | 58 0.13
Fog
Actual:
88 | 64 0.00
Average:
81 | 59 0.13
Partly Cloudy
Actual:
89 | 71 0.00
Average:
81 | 59 0.13
Partly Cloudy
Actual:
90 | 70 T
Average:
81 | 59 0.13
Thunderstorm
Actual:
78 | 66 0.21
Average:
81 | 60 0.13
Partly Cloudy
Actual:
87 | 65 0.00
Average:
82 | 60 0.13
 

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

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 87 75 63 66 63 59 93 69 45 30.13 30.06 30.00 10 10 6 22 10 28 0.01 Rain
2 89 77 64 67 63 59 93 67 40 30.11 30.06 30.01 10 10 7 15 6 20 0.05 Rain , Thunderstorm
3 82 70 58 67 62 58 97 78 58 30.18 30.11 30.04 10 6 1 15 5 18 T Rain
4 88 76 64 70 67 64 100 79 57 30.06 29.97 29.89 10 7 0 15 5 18 0.29 Fog , Rain , Thunderstorm
5 84 74 64 69 67 64 100 79 58 29.96 29.89 29.86 10 7 2 16 5 21 0.19 Rain , Thunderstorm
6 74 66 57 64 60 56 100 82 64 30.11 30.04 29.97 10 7 1 14 8 20 T Rain
7 74 64 54 56 52 44 100 71 41 30.13 30.09 30.04 10 10 9 18 8 22 0.00  
8 78 67 55 60 57 53 93 75 56 30.06 29.95 29.85 10 10 8 21 10 24 0.00  
9 76 67 58 65 61 55 93 77 61 29.86 29.74 29.66 10 7 1 16 7 21 0.83 Rain , Thunderstorm
10 72 63 53 56 47 38 100 66 31 29.98 29.79 29.67 10 10 6 22 9 33 0.01 Rain
11 72 60 48 46 39 32 80 52 24 30.23 30.13 29.99 10 10 10 18 5 22 0.00  
12 79 63 47 52 47 43 93 62 30 30.34 30.28 30.23 10 10 10 17 6 21 0.00  
13 79 69 58 61 55 49 93 69 45 30.27 30.22 30.15 10 10 7 18 9 24 0.03 Rain
14 75 68 61 63 61 60 100 82 64 30.18 30.09 30.00 10 8 2 17 8 24 0.11 Rain
15 82 73 64 70 65 62 93 76 58 30.03 29.97 29.91 10 8 1 18 5 23 0.59 Rain
16 81 72 63 65 63 62 100 79 58 29.98 29.95 29.89 10 10 6 15 2 20 T Thunderstorm
17 74 67 59 63 60 55 100 84 68 30.12 30.03 29.92 10 10 7 21 7 25 0.00 Fog
18 75 65 54 55 50 45 93 66 38 30.17 30.13 30.10 10 10 10 18 9 26 0.00  
19 79 65 50 51 47 43 83 58 32 30.18 30.14 30.10 10 10 10 15 8 22 0.00  
20 79 67 54 65 57 44 86 64 42 30.15 30.10 30.04 10 9 2 21 10 30 0.04 Rain
21 77 70 63 66 64 63 100 85 69 30.03 29.98 29.91 10 6 0 14 5 16 0.01 Fog , Rain
22 81 73 65 67 65 63 93 76 58 29.91 29.86 29.82 10 8 2 17 5 20 T Rain , Thunderstorm
23 83 73 62 66 64 59 93 74 55 29.98 29.90 29.86 10 10 7 13 3 15 T Fog , Rain , Thunderstorm
24 82 71 59 69 64 57 100 79 58 30.09 30.06 29.98 10 10 7 16 4 21 0.08 Rain , Thunderstorm
25 86 76 66 72 68 66 100 78 55 30.16 30.12 30.08 10 6 0 15 3 18 T Fog
26 86 75 63 68 66 63 100 74 48 30.19 30.16 30.12 10 8 0 12 4 14 0.00 Fog
27 88 76 64 71 67 63 100 74 48 30.19 30.14 30.08 10 7 0 12 4 16 0.00 Fog
28 89 80 71 71 70 68 100 77 53 30.11 30.05 29.99 10 10 10 16 9 20 0.00  
29 90 80 70 71 69 67 93 70 47 29.99 29.91 29.80 10 10 9 22 11 26 T  
30 78 72 66 72 67 64 97 80 62 29.84 29.80 29.73 10 9 3 12 4 14 0.21 Rain , Thunderstorm
31 87 76 65 64 60 57 87 62 37 29.91 29.84 29.77 10 10 10 13 6 17 0.00