Weather History for KBOS - May, 2011

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Month of May, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 66 °F 50 °F
Mean Temperature 76 °F 59 °F 49 °F
Min Temperature 67 °F 52 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 16 7 0 227
Cooling Degree Days (base 65) 11 2 0 55
Growing Degree Days (base 50) 26 9 0 274
Dew Point  
Dew Point 68 °F 50 °F 22 °F
Precipitation  
Precipitation 1.07 in 0.12 in 0.00 in 3.23 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 35 mph 10 mph 0 mph
Gust Wind 47 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 30.00 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

May. 09, 2011 Rise Set
Actual Time 5:29 AM EDT 7:52 PM EDT
Civil Twilight 4:58 AM EDT 8:23 PM EDT
Nautical Twilight 4:19 AM EDT 9:02 PM EDT
Astronomical Twilight 3:35 AM EDT 9:46 PM EDT
Moon 10:52 AM EDT (5/9) 12:40 AM EDT (5/9)
Length of Visible Light 15h 25m
Length of Day
14h 22m
Waxing Crescent, 37% of the Moon is Illuminated
May 9
Waxing Crescent
May 10
First Quarter
May 17
Full
May 24
Last Quarter
Jun 1
New

Daily Weather History & Observations

2011 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 55 51 46 42 35 32 74 60 45 30.34 30.30 30.22 10 10 10 21 11 24 0.00  
2 62 53 44 47 40 33 76 61 46 30.32 30.23 30.13 10 10 9 22 9 25 0.00  
3 72 63 54 52 47 40 77 64 51 30.18 30.11 30.06 10 10 10 20 10 25 0.00  
4 67 58 48 59 54 45 93 83 73 30.04 29.90 29.82 10 8 2 20 10 25 0.37 Rain
5 60 54 47 46 39 34 86 65 43 29.89 29.82 29.76 10 9 3 26 14 33 0.01 Rain
6 72 59 46 42 31 22 71 44 16 29.91 29.88 29.83 10 10 10 26 15 33 0.00  
7 70 61 51 52 48 43 83 68 53 29.89 29.82 29.76 10 8 2 29 8 39 0.36 Rain , Thunderstorm
8 57 53 49 52 48 46 93 83 72 29.96 29.91 29.83 10 8 5 21 8 24 0.00  
9 68 60 52 47 38 33 77 53 29 29.97 29.91 29.86 10 10 10 35 16 44 T Rain
10 57 54 50 47 44 41 77 67 57 30.06 30.00 29.92 10 10 4 35 19 47 T Rain
11 65 57 49 50 46 42 93 73 52 30.10 30.07 30.04 10 8 3 26 16 35 0.01 Rain
12 60 56 51 47 43 40 77 67 57 30.12 30.08 30.03 10 10 10 16 10 22 0.00  
13 59 53 46 46 44 41 93 75 57 30.02 29.96 29.89 10 9 0 16 8 20 0.00 Fog
14 59 52 45 51 46 44 100 86 72 29.93 29.87 29.80 10 5 0 13 7 15 0.01 Fog
15 57 54 50 54 51 47 96 87 77 29.79 29.73 29.67 10 4 1 18 9 22 1.07 Rain
16 50 49 48 47 46 45 93 87 80 30.01 29.88 29.77 10 4 2 23 14 26 0.38 Rain
17 51 50 48 48 46 45 93 90 86 30.15 30.10 30.01 10 3 0 20 13 25 0.18 Rain
18 53 52 50 52 51 49 100 97 93 30.20 30.17 30.12 0 0 0 21 12 24 0.05 Fog , Rain
19 61 56 51 55 53 51 100 90 80 30.14 30.10 30.05 10 2 0 14 8 17 0.50 Fog , Rain
20 65 58 51 57 53 50 100 90 80 30.04 29.98 29.93 10 2 0 15 5 18 0.01 Fog
21 62 56 49 56 52 45 100 89 78 30.13 29.99 29.93 10 2 0 18 7 24 T Fog
22 53 51 48 46 45 43 93 84 74 30.23 30.19 30.12 10 9 2 18 9 23 0.00  
23 65 58 51 60 52 47 93 88 83 30.20 30.06 29.86 10 8 2 18 10 25 0.11 Rain
24 82 73 64 66 63 60 93 74 54 29.83 29.75 29.69 10 9 2 23 11 31 0.17 Rain
25 74 68 61 60 55 52 78 68 57 29.98 29.91 29.79 10 10 10 18 10 22 0.00  
26 81 69 57 66 60 55 93 74 54 30.01 29.96 29.91 10 8 4 22 10 28 0.00  
27 87 76 65 67 64 61 93 70 47 30.01 29.97 29.93 10 7 0 18 9 25 0.00  
28 75 68 60 65 60 56 93 83 73 30.11 30.07 30.01 10 7 0 17 8 21 0.00  
29 85 76 67 67 65 64 87 69 51 30.13 30.08 30.00 10 10 6 23 12 28 0.00  
30 87 76 64 68 66 62 87 69 51 30.12 30.03 29.96 10 9 6 16 8 20 0.00  
31 74 69 64 63 54 49 87 64 41 30.23 30.19 30.13 10 10 5 14 8 15 0.00