Weather History for Washington, PA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 64 °F 45 °F 28 °F
Mean Temperature 55 °F 37 °F 25 °F
Min Temperature 50 °F 29 °F 15 °F
Degree Days  
Heating Degree Days (base 65) 40 28 10 870
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 5 0 0 11
Dew Point  
Dew Point 55 °F 32 °F 12 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 25 mph 5 mph 0 mph
Gust Wind 33 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 30.01 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 01, 2012 Rise Set
Actual Time 7:24 AM EST 4:55 PM EST
Civil Twilight 6:54 AM EST 5:26 PM EST
Nautical Twilight 6:20 AM EST 5:59 PM EST
Astronomical Twilight 5:48 AM EST 6:32 PM EST
Moon 7:44 PM EST (12/1) 9:36 AM EST (12/1)
Length of Visible Light 10h 31m
Length of Day
9h 31m
Waning Gibbous, 92% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 20
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 5.05
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
59 | 28 0.00
Average:
44 | 28 0.09
Partly Cloudy
Actual:
60 | 41 0.00
Average:
44 | 28 0.09
Partly Cloudy
Actual:
60 | 50 0.00
Average:
43 | 28 0.09
Partly Cloudy
Actual:
64 | 44 0.00
Average:
43 | 27 0.10
Partly Cloudy
Actual:
44 | 23 0.00
Average:
43 | 27 0.10
Scattered Clouds
Actual:
46 | 17 0.00
Average:
42 | 27 0.10
Overcast
Actual:
51 | 37 0.00
Average:
42 | 27 0.10
Overcast
Actual:
55 | 44 0.00
Average:
42 | 27 0.10
Overcast
Actual:
55 | 39 0.00
Average:
42 | 26 0.11
Overcast
Actual:
57 | 33 0.00
Average:
41 | 26 0.11
Mostly Cloudy
Actual:
37 | 28 0.00
Average:
41 | 26 0.11
Scattered Clouds
Actual:
39 | 21 0.00
Average:
41 | 25 0.11
Clear
Actual:
44 | 15 0.00
Average:
40 | 25 0.11
Clear
Actual:
50 | 21 0.00
Average:
40 | 24 0.10
Partly Cloudy
Actual:
48 | 26 0.00
Average:
39 | 24 1.76
Mostly Cloudy
Actual:
57 | 46 0.00
Average:
39 | 23 0.45
Mostly Cloudy
Actual:
55 | 44 0.00
Average:
38 | 22 0.10
Partly Cloudy
Actual:
46 | 33 0.00
Average:
37 | 22 0.10
Overcast
Actual:
44 | 30 0.00
Average:
37 | 21 0.09
Partly Cloudy
Actual:
46 | 33 0.00
Average:
36 | 21 0.09
Overcast
Actual:
39 | 28 0.00
Average:
36 | 21 0.09
Overcast
Actual:
32 | 23 0.00
Average:
35 | 20 0.09
Clear
Actual:
39 | 17 0.00
Average:
35 | 20 0.09
Partly Cloudy
Actual:
37 | 17 0.00
Average:
35 | 21 0.09
Overcast
Actual:
35 | 30 0.00
Average:
35 | 21 0.09
Overcast
Actual:
32 | 28 0.00
Average:
35 | 21 0.09
Overcast
Actual:
30 | 28 0.00
Average:
35 | 21 0.10
Partly Cloudy
Actual:
30 | 21 0.00
Average:
35 | 21 0.10
Overcast
Actual:
30 | 28 0.00
Average:
35 | 22 0.10
Overcast
Actual:
28 | 23 0.00
Average:
36 | 22 0.10
Partly Cloudy
Actual:
33 | 17 0.00
Average:
36 | 22 0.10
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 59 44 28 39 33 23 93 73 48 30.33 30.28 30.23 10 10 10 13 2 18 0.00  
2 60 50 41 54 46 37 100 81 52 30.23 30.16 30.09 10 8 2 17 7 26 0.00  
3 60 55 50 55 54 46 100 93 77 30.24 30.20 30.17 10 6 0 8 3 - 0.00  
4 64 54 44 55 50 43 100 83 64 30.18 30.12 30.02 10 10 2 17 6 26 0.00  
5 44 34 23 43 30 19 100 79 57 30.36 30.27 30.15 10 10 5 14 6 18 0.00  
6 46 32 17 34 23 14 100 78 43 30.33 30.19 30.04 10 10 10 7 1 - 0.00  
7 51 44 37 48 45 34 100 94 81 30.04 29.98 29.88 10 6 0 10 1 - 0.00  
8 55 50 44 52 49 39 100 91 76 30.09 29.92 29.86 10 9 2 10 5 16 0.00  
9 55 47 39 54 43 34 100 87 76 30.12 30.00 29.77 10 10 5 10 7 16 0.00  
10 57 45 33 54 46 32 100 90 82 29.83 29.69 29.57 10 9 2 15 7 22 0.00  
11 37 32 28 34 30 25 100 84 70 30.22 30.04 29.82 10 9 3 9 6 - 0.00  
12 39 30 21 27 22 18 100 80 48 30.42 30.36 30.23 10 10 5 6 1 - 0.00  
13 44 30 15 28 20 12 100 77 37 30.43 30.36 30.28 10 9 6 6 0 - 0.00  
14 50 36 21 28 23 16 93 71 34 30.31 30.26 30.23 10 10 10 10 2 - 0.00  
15 48 37 26 34 27 23 93 66 37 30.23 30.09 29.91 10 10 10 7 1 - 0.00  
16 57 52 46 48 43 30 88 69 50 29.90 29.80 29.73 10 10 9 9 5 - 0.00  
17 55 50 44 52 48 43 100 91 82 29.78 29.69 29.53 10 8 1 9 4 17 0.00  
18 46 40 33 45 35 28 93 82 65 29.84 29.71 29.53 10 10 5 14 8 21 0.00  
19 44 37 30 36 34 28 93 81 70 30.15 29.99 29.77 10 9 5 10 5 16 0.00  
20 46 40 33 43 36 30 93 80 57 30.12 29.74 29.37 10 9 4 20 7 30 0.00  
21 39 34 28 34 25 21 93 78 60 29.72 29.48 29.39 10 8 1 25 16 33 0.00  
22 32 28 23 27 21 18 86 70 60 30.10 29.98 29.73 10 9 3 17 11 30 0.00  
23 39 28 17 25 20 16 93 76 49 30.07 29.97 29.90 10 10 10 12 4 16 0.00  
24 37 27 17 36 27 14 100 90 70 29.99 29.88 29.76 10 8 1 13 2 16 0.00  
25 35 32 30 34 29 25 100 84 70 30.19 30.10 29.90 10 8 2 10 7 - 0.00  
26 32 30 28 28 27 25 93 86 75 30.16 29.78 29.57 10 7 1 20 10 28 0.00  
27 30 29 28 27 26 21 93 88 69 30.10 29.91 29.61 10 8 2 14 8 23 0.00  
28 30 26 21 25 21 19 93 78 69 30.15 30.07 29.87 10 10 7 7 4 - 0.00  
29 30 29 28 28 27 21 100 90 74 29.94 29.76 29.63 10 5 0 14 4 17 0.00  
30 28 26 23 27 20 18 93 78 69 30.35 30.24 29.95 10 9 3 16 11 23 0.00  
31 33 25 17 28 22 16 93 81 56 30.32 30.14 30.02 10 9 1 16 7 22 0.00