Weather History for Pittsburgh Allegheny Co., PA

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 41 °F 23 °F
Mean Temperature 62 °F 35 °F 18 °F
Min Temperature 55 °F 29 °F 12 °F
Degree Days  
Heating Degree Days (base 65) 48 30 4 935
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 1 0 21
Dew Point  
Dew Point 59 °F 27 °F 2 °F
Precipitation  
Precipitation 1.00 in 0.14 in 0.00 in 4.27 in
Snowdepth - - - -
Wind  
Wind 26 mph 8 mph 0 mph
Gust Wind 47 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.61 in 30.09 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 04, 2013 Rise Set
Actual Time 7:26 AM EST 4:53 PM EST
Civil Twilight 6:56 AM EST 5:23 PM EST
Nautical Twilight 6:22 AM EST 5:57 PM EST
Astronomical Twilight 5:49 AM EST 6:30 PM EST
Moon 8:53 AM EST (12/4) 7:02 PM EST (12/4)
Length of Visible Light 10h 27m
Length of Day
9h 26m
Waxing Crescent, 4% of the Moon is Illuminated
Dec 4
Waxing Crescent
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New

Weather History Calendar

Precipitation Actual month total 4.27 Average Month Total: 2.59
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Cloudy
Actual:
44 | 34 0.00
Average:
47 | 29 0.05
Rain
Actual:
48 | 37 0.00
Average:
43 | 29 0.09
Rain
Actual:
54 | 37 0.01
Average:
47 | 29 0.15
Partly Cloudy
Actual:
57 | 42 0.00
Average:
48 | 31 0.12
Rain
Actual:
63 | 39 1.00
Average:
41 | 28 0.08
Snow
Actual:
39 | 28 0.59
Average:
38 | 27 0.06
Snow
Actual:
30 | 19 0.00
Average:
42 | 28 0.10
Snow
Actual:
30 | 19 0.09
Average:
42 | 29 0.17
Rain
Actual:
37 | 30 0.04
Average:
43 | 29 0.14
Snow
Actual:
30 | 23 0.05
Average:
45 | 26 0.09
Snow
Actual:
30 | 19 0.00
Average:
43 | 26 0.11
Partly Cloudy
Actual:
23 | 12 0.00
Average:
40 | 24 0.10
Scattered Clouds
Actual:
34 | 21 0.00
Average:
42 | 24 0.04
Snow
Actual:
39 | 30 0.55
Average:
44 | 28 0.08
Snow
Actual:
39 | 21 0.02
Average:
45 | 22 0.05
Snow
Actual:
26 | 19 0.00
Average:
45 | 24 0.08
Snow
Actual:
35 | 24 0.07
Average:
39 | 27 0.07
Snow
Actual:
28 | 24 0.00
Average:
45 | 26 0.08
Clear
Actual:
51 | 27 0.00
Average:
42 | 26 0.03
Rain
Actual:
55 | 46 0.02
Average:
47 | 25 0.07
Rain
Actual:
61 | 55 0.81
Average:
46 | 24 0.14
Rain
Actual:
68 | 55 0.20
Average:
42 | 27 0.11
Rain
Actual:
55 | 30 0.07
Average:
43 | 25 0.04
Snow
Actual:
30 | 14 0.02
Average:
42 | 24 0.08
Snow
Actual:
27 | 12 0.00
Average:
35 | 21 0.10
Snow
Actual:
36 | 26 0.06
Average:
34 | 17 0.05
Partly Cloudy
Actual:
41 | 27 0.00
Average:
36 | 17 0.05
Clear
Actual:
52 | 34 0.00
Average:
33 | 21 0.07
Rain
Actual:
44 | 39 0.66
Average:
35 | 20 0.05
Snow
Actual:
41 | 23 0.01
Average:
36 | 23 0.08
Snow
Actual:
26 | 23 0.00
Average:
35 | 22 0.06
 

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

2013 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 44 39 34 29 27 24 67 58 49 30.23 30.09 29.99 10 10 10 10 8 - 0.00  
2 48 42 37 35 32 28 83 67 56 29.98 29.90 29.84 10 10 8 7 5 - 0.00 Rain
3 54 46 37 40 37 34 93 75 53 29.93 29.90 29.86 10 7 2 6 2 - 0.01 Rain
4 57 50 42 45 41 36 80 69 62 30.01 29.94 29.90 10 9 5 9 5 - 0.00  
5 63 51 39 58 50 37 94 84 65 30.05 29.92 29.87 10 5 2 20 10 29 1.00 Rain
6 39 34 28 37 31 26 93 89 81 30.29 30.14 30.03 10 5 0 14 8 22 0.59 Fog , Rain , Snow
7 30 26 19 27 20 12 93 75 58 30.61 30.44 30.24 10 10 2 10 7 20 0.00 Snow
8 30 24 19 29 20 11 93 81 68 30.58 30.32 30.04 10 5 0 13 6 17 0.09 Fog , Rain , Snow
9 37 34 30 37 32 22 100 87 69 30.16 30.02 29.94 10 4 0 17 9 24 0.04 Fog , Rain
10 30 26 23 22 18 8 88 71 43 30.29 30.09 30.00 10 6 0 20 10 25 0.05 Fog , Snow
11 30 24 19 21 14 10 80 64 51 30.38 30.32 30.24 10 9 3 16 10 24 0.00 Snow
12 23 18 12 12 5 2 71 57 42 30.50 30.38 30.29 10 10 9 16 10 26 0.00  
13 34 28 21 17 11 3 59 50 45 30.29 30.26 30.23 10 10 10 15 9 - 0.00  
14 39 34 30 37 30 17 93 85 54 30.25 29.90 29.64 10 4 0 14 6 21 0.55 Fog , Rain , Snow
15 39 30 21 37 24 8 93 78 55 30.06 29.82 29.63 10 8 2 26 13 36 0.02 Rain , Snow
16 26 22 19 21 15 10 86 73 62 30.20 30.10 30.00 10 7 2 8 5 17 0.00 Snow
17 35 30 24 31 25 21 93 82 66 30.06 29.98 29.91 10 5 1 14 7 23 0.07 Snow
18 28 26 24 25 20 16 93 76 63 30.22 30.12 30.00 10 9 2 16 11 22 0.00 Snow
19 51 39 27 33 25 17 72 52 42 30.14 30.08 30.02 10 10 10 16 10 24 0.00  
20 55 50 46 49 39 24 86 64 36 30.02 29.95 29.90 10 10 5 16 11 26 0.02 Rain
21 61 58 55 59 54 48 94 86 74 29.90 29.84 29.66 10 8 2 20 10 28 0.81 Rain
22 68 62 55 58 53 46 90 75 65 29.95 29.81 29.57 10 10 2 26 15 47 0.20 Rain
23 55 42 30 46 33 17 93 78 57 30.31 30.14 29.96 10 8 4 16 8 26 0.07 Rain
24 30 22 14 23 15 5 86 69 46 30.55 30.32 30.19 10 6 0 18 9 29 0.02 Fog , Snow
25 27 20 12 23 14 6 88 71 55 30.54 30.37 30.19 10 8 2 7 4 - 0.00 Snow
26 36 31 26 27 23 13 93 74 48 30.37 30.21 30.11 10 6 1 20 9 28 0.06 Snow
27 41 34 27 25 20 14 66 56 48 30.39 30.34 30.29 10 10 10 12 8 - 0.00  
28 52 43 34 27 24 19 56 47 38 30.27 30.20 30.08 10 10 10 16 10 20 0.00  
29 44 42 39 40 37 23 100 87 45 30.03 29.77 29.65 10 5 0 15 8 21 0.66 Fog , Rain
30 41 32 23 37 21 14 87 76 64 30.22 30.08 29.82 10 8 1 16 9 26 0.01 Rain , Snow
31 26 24 23 21 17 12 85 73 60 30.34 30.17 30.04 10 6 0 22 9 33 0.00 Snow