Pittsburgh Allegheny Co., PA

5:38 PM EDT on October 21, 2017 (GMT -0400)
Allegheny County

Weather History for KAGC - December, 2011

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 62 °F 45 °F 33 °F
Mean Temperature 54 °F 38 °F 28 °F
Min Temperature 48 °F 32 °F 19 °F
Degree Days  
Heating Degree Days (base 65) 37 27 10 832
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 0 0 6
Dew Point  
Dew Point 54 °F 29 °F 8 °F
Precipitation  
Precipitation 0.75 in 0.09 in 0.00 in 2.67 in
Snowdepth - - - -
Wind  
Wind 24 mph 7 mph 0 mph
Gust Wind 39 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.66 in 30.16 in 29.34 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 04, 2011 Rise Set
Actual Time 7:26 AM EST 4:53 PM EST
Civil Twilight 6:55 AM EST 5:23 PM EST
Nautical Twilight 6:21 AM EST 5:57 PM EST
Astronomical Twilight 5:48 AM EST 6:30 PM EST
Moon 1:23 PM EST (12/4) 1:49 AM EST (12/4)
Length of Visible Light 10h 28m
Length of Day
9h 27m
Waxing Gibbous, 71% of the Moon is Illuminated
Dec 4
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 43 36 28 28 26 24 88 73 51 30.39 30.32 30.22 10 10 6 9 6 - 0.00  
2 43 34 26 30 27 24 93 72 58 30.58 30.43 30.26 10 9 3 12 6 17 0.00  
3 51 40 28 31 28 24 86 67 44 30.58 30.50 30.39 10 9 6 7 5 - 0.01  
4 62 50 37 34 29 24 76 48 27 30.36 30.30 30.24 10 10 6 15 8 21 0.00  
5 61 54 48 49 41 28 92 63 41 30.23 30.14 30.01 10 9 3 13 6 - 0.13 Rain
6 53 46 39 50 41 37 94 91 87 30.07 30.01 29.97 10 2 1 12 5 - 0.11 Rain
7 41 36 30 38 33 21 93 89 67 30.03 29.90 29.77 10 5 1 14 6 23 0.30 Rain , Snow
8 33 30 28 25 23 21 82 73 60 30.30 30.22 30.04 10 10 10 14 11 21 0.01  
9 42 35 28 29 25 21 88 66 45 30.30 30.25 30.17 10 10 10 16 8 23 0.00  
10 35 30 25 28 16 8 76 58 40 30.56 30.40 30.25 10 10 10 15 8 20 0.00  
11 37 28 19 15 11 9 81 51 33 30.66 30.58 30.47 10 10 8 8 4 - 0.00  
12 42 32 23 21 16 12 69 52 37 30.53 30.49 30.45 10 9 4 7 3 - 0.00  
13 46 35 24 26 23 18 85 59 44 30.52 30.47 30.42 10 9 4 6 2 - 0.00  
14 48 44 39 43 37 26 87 77 55 30.40 30.27 30.09 10 9 4 12 5 - 0.01 Rain
15 59 52 42 54 47 30 94 77 58 30.05 29.88 29.79 10 8 2 24 15 37 0.18 Rain
16 41 37 33 30 24 22 67 63 57 30.29 30.21 30.02 10 10 10 16 10 26 0.00  
17 33 30 28 27 24 20 93 78 60 30.28 30.21 30.16 10 5 1 10 6 - 0.02 Snow
18 35 32 28 27 24 21 88 80 60 30.29 30.21 30.15 10 7 2 14 6 - 0.02 Snow
19 45 38 30 35 29 23 75 65 53 30.20 30.09 30.01 10 10 9 20 12 29 0.00 Rain
20 45 41 37 40 38 36 93 89 71 30.17 30.07 29.97 10 4 0 13 6 18 0.28 Fog , Rain
21 59 50 42 54 46 39 93 84 71 29.97 29.82 29.64 10 6 0 23 8 39 0.60 Fog , Rain , Thunderstorm
22 51 46 41 43 41 37 93 80 66 30.12 30.00 29.89 10 8 2 15 6 21 0.17 Rain
23 39 36 32 37 31 26 93 84 75 30.29 30.16 29.93 10 9 2 13 8 21 0.04 Rain , Snow
24 37 34 30 27 24 21 80 69 60 30.46 30.36 30.24 10 10 10 10 5 16 0.01  
25 45 38 30 28 25 23 82 64 43 30.31 30.15 30.01 10 10 10 18 11 31 0.00  
26 41 38 34 27 25 23 70 62 51 30.40 30.26 30.06 10 10 10 15 9 23 0.00  
27 42 38 35 40 33 23 93 84 57 30.02 29.56 29.34 10 6 0 22 7 32 0.75 Fog , Rain
28 35 30 24 30 21 12 87 70 47 30.06 29.86 29.56 10 9 2 22 12 31 0.01 Snow
29 39 30 21 28 22 14 86 71 55 30.04 29.93 29.82 10 9 1 15 6 - 0.01 Snow
30 52 46 39 39 33 26 76 61 50 29.94 29.83 29.72 10 10 10 13 10 18 0.00  
31 45 42 39 39 37 36 89 82 76 30.14 29.95 29.76 10 10 5 17 9 24 0.01 Rain