Weather History for Pittsburgh, PA

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 72 °F 41 °F 22 °F
Mean Temperature 62 °F 34 °F 16 °F
Min Temperature 56 °F 27 °F 10 °F
Degree Days  
Heating Degree Days (base 65) 49 31 3 949
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 1 0 17
Dew Point  
Dew Point 59 °F 26 °F -2 °F
Precipitation  
Precipitation 0.53 in 0.12 in 0.00 in 3.26 in
Snowdepth 2.0 in 0.7 in 0.0 in -
Wind  
Wind 33 mph 8 mph 0 mph
Gust Wind 47 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.12 in 29.53 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 11, 2013 Rise Set
Actual Time 7:34 AM EST 4:54 PM EST
Civil Twilight 7:03 AM EST 5:24 PM EST
Nautical Twilight 6:29 AM EST 5:59 PM EST
Astronomical Twilight 5:56 AM EST 6:32 PM EST
Moon 1:27 PM EST (12/11) 1:52 AM EST (12/11)
Length of Visible Light 10h 21m
Length of Day
9h 20m
Waxing Gibbous, 71% of the Moon is Illuminated
Dec 11
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Weather History Calendar

Precipitation Actual month total 3.26 Normal Month Total: 2.85
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Overcast
Actual:
43 | 28 0.00
Average:
44 | 30 0.09
Rain
Actual:
46 | 37 T
Average:
44 | 30 0.10
Rain
Actual:
54 | 35 0.01
Average:
44 | 29 0.10
Mostly Cloudy
Actual:
58 | 37 0.00
Average:
43 | 29 0.09
Rain
Actual:
61 | 39 0.47
Average:
43 | 29 0.10
Snow
Actual:
39 | 29 0.53
Average:
42 | 28 0.10
Snow
Actual:
30 | 19 T
Average:
42 | 28 0.10
Snow
Actual:
31 | 17 0.06
Average:
42 | 28 0.10
Rain
Actual:
38 | 30 0.04
Average:
41 | 27 0.10
Snow
Actual:
30 | 22 0.06
Average:
41 | 27 0.10
Snow
Actual:
30 | 19 0.01
Average:
41 | 27 0.10
Snow
Actual:
22 | 10 T
Average:
40 | 26 0.09
Partly Cloudy
Actual:
34 | 20 0.00
Average:
40 | 26 0.09
Snow
Actual:
36 | 29 0.46
Average:
40 | 26 0.10
Snow
Actual:
38 | 20 0.02
Average:
39 | 25 0.08
Snow
Actual:
25 | 18 0.01
Average:
39 | 25 0.09
Snow
Actual:
34 | 25 0.06
Average:
39 | 25 0.08
Snow
Actual:
29 | 21 T
Average:
38 | 24 0.09
Partly Cloudy
Actual:
50 | 25 0.00
Average:
38 | 24 0.08
Rain
Actual:
57 | 40 0.05
Average:
38 | 24 0.09
Rain
Actual:
62 | 56 0.51
Average:
38 | 24 0.08
Rain
Actual:
72 | 52 0.22
Average:
38 | 24 0.10
Snow
Actual:
52 | 29 0.06
Average:
37 | 23 0.09
Snow
Actual:
31 | 13 0.04
Average:
37 | 23 0.09
Snow
Actual:
28 | 10 0.03
Average:
37 | 23 0.09
Snow
Actual:
36 | 25 0.05
Average:
37 | 23 0.09
Partly Cloudy
Actual:
42 | 24 0.00
Average:
37 | 23 0.09
Partly Cloudy
Actual:
51 | 38 0.00
Average:
37 | 22 0.09
Rain
Actual:
44 | 38 0.48
Average:
36 | 22 0.09
Snow
Actual:
40 | 21 0.05
Average:
36 | 22 0.08
Snow
Actual:
25 | 22 0.04
Average:
36 | 22 0.09
 

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 43 36 28 30 27 23 78 66 53 30.23 30.11 30.01 10 10 10 13 4 17 0.00  
2 46 42 37 34 32 29 79 71 62 29.99 29.92 29.87 10 9 6 8 2 13 T Rain
3 54 45 35 40 37 33 92 76 59 29.95 29.92 29.89 10 7 4 9 2 17 0.01 Rain
4 58 48 37 45 41 36 92 77 61 30.01 29.94 29.90 10 9 7 10 4 14 0.00  
5 61 50 39 58 51 36 93 82 71 30.08 29.91 29.86 10 7 2 20 8 25 0.47 Rain
6 39 34 29 34 30 26 92 87 82 30.32 30.18 30.05 10 5 1 16 9 22 0.53 Rain , Snow
7 30 25 19 26 19 13 92 75 57 30.63 30.49 30.28 10 10 9 16 8 20 T Snow
8 31 24 17 30 20 13 92 80 68 30.61 30.36 30.08 10 7 0 14 7 17 0.06 Snow
9 38 34 30 37 30 21 100 82 63 30.17 30.07 29.95 10 6 0 18 9 26 0.04 Rain
10 30 26 22 22 16 6 88 65 42 30.30 30.12 30.01 10 7 1 21 11 28 0.06 Snow
11 30 25 19 21 13 10 88 69 49 30.40 30.33 30.25 10 9 2 21 9 26 0.01 Snow
12 22 16 10 14 4 -2 73 55 36 30.51 30.40 30.30 10 10 7 20 10 28 T Snow
13 34 27 20 18 11 2 63 52 41 30.30 30.27 30.23 10 10 10 14 6 20 0.00  
14 36 33 29 35 28 20 100 82 63 30.25 29.99 29.67 10 4 1 13 5 15 0.46 Rain , Snow
15 38 29 20 37 24 10 100 78 55 30.08 29.85 29.61 10 7 1 26 14 36 0.02 Rain , Snow
16 25 22 18 21 13 10 81 70 59 30.22 30.13 30.04 10 8 2 18 6 22 0.01 Snow
17 34 30 25 31 25 21 92 78 63 30.08 29.99 29.90 10 7 1 16 6 21 0.06 Snow
18 29 25 21 22 19 16 81 75 68 30.23 30.16 30.03 10 8 2 16 7 21 T Snow
19 50 38 25 32 24 17 76 58 39 30.14 30.09 30.04 10 10 10 17 7 25 0.00  
20 57 49 40 49 38 25 83 59 35 30.03 29.96 29.89 10 10 6 17 10 24 0.05 Rain
21 62 59 56 59 54 48 100 86 72 29.89 29.83 29.65 10 8 2 17 9 25 0.51 Rain
22 72 62 52 59 53 44 90 77 63 29.97 29.79 29.53 10 10 3 33 13 47 0.22 Rain
23 52 41 29 46 33 19 93 78 63 30.32 30.16 29.95 10 9 3 20 10 25 0.06 Rain , Snow
24 31 22 13 23 13 6 84 68 52 30.56 30.39 30.21 10 8 0 25 11 32 0.04 Snow
25 28 19 10 24 12 6 92 71 50 30.56 30.42 30.22 10 9 1 13 4 15 0.03 Snow
26 36 31 25 27 22 14 92 70 47 30.38 30.24 30.11 10 7 1 20 8 30 0.05 Snow
27 42 33 24 26 21 15 74 61 48 30.40 30.34 30.28 10 10 10 14 6 18 0.00  
28 51 45 38 28 25 20 54 47 39 30.26 30.20 30.08 10 10 10 16 9 22 0.00  
29 44 41 38 41 37 22 100 72 43 30.05 29.82 29.68 10 7 2 20 5 24 0.48 Rain
30 40 31 21 34 20 15 92 83 74 30.23 30.13 29.88 10 7 1 24 9 31 0.05 Snow
31 25 24 22 20 16 10 84 72 59 30.35 30.21 30.07 10 7 0 29 9 36 0.04 Snow