Weather History for Butler, PA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 62 °F 43 °F 28 °F
Mean Temperature 55 °F 36 °F 24 °F
Min Temperature 53 °F 29 °F 15 °F
Degree Days  
Heating Degree Days (base 65) 40 29 10 897
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 5 0 0 10
Dew Point  
Dew Point 54 °F 30 °F 12 °F
Precipitation  
Precipitation 0.84 in 0.13 in 0.00 in 3.99 in
Snowdepth - - - -
Wind  
Wind 28 mph 7 mph 0 mph
Gust Wind 34 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 29.99 in 29.32 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 19, 2012 Rise Set
Actual Time 7:39 AM EST 4:54 PM EST
Civil Twilight 7:08 AM EST 5:25 PM EST
Nautical Twilight 6:34 AM EST 6:00 PM EST
Astronomical Twilight 6:00 AM EST 6:33 PM EST
Moon 11:45 AM EST No Moon Set
Length of Visible Light 10h 17m
Length of Day
9h 14m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Weather History Calendar

Precipitation Actual month total 3.99 Average Month Total: 1.72
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
55 | 32 0.00
Average:
42 | 29 0.05
Partly Cloudy
Actual:
59 | 46 0.09
Average:
42 | 28 0.05
Mostly Cloudy
Actual:
57 | 53 0.01
Average:
42 | 28 0.05
Partly Cloudy
Actual:
62 | 44 0.43
Average:
41 | 28 0.06
Partly Cloudy
Actual:
42 | 30 0.00
Average:
41 | 27 0.06
Clear
Actual:
42 | 21 0.00
Average:
40 | 27 0.06
Overcast
Actual:
48 | 37 0.74
Average:
40 | 27 0.06
Overcast
Actual:
53 | 39 0.07
Average:
40 | 27 0.06
Mostly Cloudy
Actual:
53 | 35 0.18
Average:
39 | 26 0.06
Overcast
Actual:
55 | 35 0.84
Average:
39 | 26 0.06
Mostly Cloudy
Actual:
37 | 30 0.01
Average:
39 | 26 0.06
Clear
Actual:
37 | 21 0.00
Average:
38 | 25 0.06
Clear
Actual:
42 | 17 0.00
Average:
38 | 25 0.06
Clear
Actual:
46 | 24 0.00
Average:
38 | 24 0.06
Scattered Clouds
Actual:
46 | 24 0.00
Average:
37 | 24 0.06
Mostly Cloudy
Actual:
55 | 44 0.00
Average:
37 | 23 0.05
Partly Cloudy
Actual:
53 | 42 0.45
Average:
36 | 23 0.05
Partly Cloudy
Actual:
44 | 33 0.12
Average:
35 | 22 0.05
Partly Cloudy
Actual:
42 | 26 0.03
Average:
35 | 22 0.05
Partly Cloudy
Actual:
42 | 26 0.65
Average:
34 | 21 0.05
Overcast
Actual:
39 | 28 0.03
Average:
34 | 21 0.05
Overcast
Actual:
30 | 26 0.00
Average:
33 | 21 0.05
Clear
Actual:
37 | 19 0.00
Average:
33 | 20 0.05
Partly Cloudy
Actual:
37 | 15 0.03
Average:
33 | 20 0.05
Overcast
Actual:
33 | 30 0.00
Average:
33 | 20 0.05
Overcast
Actual:
30 | 24 0.07
Average:
33 | 21 0.05
Overcast
Actual:
30 | 24 0.02
Average:
33 | 21 0.06
Partly Cloudy
Actual:
30 | 19 0.02
Average:
33 | 21 0.06
Overcast
Actual:
30 | 24 0.18
Average:
33 | 21 0.06
Overcast
Actual:
28 | 23 0.02
Average:
33 | 21 0.06
Partly Cloudy
Actual:
33 | 19 0.00
Average:
33 | 21 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

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 55 44 32 37 33 27 81 63 51 30.33 30.27 30.23 10 10 10 10 4 16 0.00  
2 59 52 46 52 44 37 94 77 55 30.23 30.13 30.05 10 8 2 16 9 26 0.09  
3 57 55 53 54 53 52 94 91 88 30.24 30.19 30.15 10 6 0 10 5 - 0.01  
4 62 53 44 54 50 39 93 80 63 30.17 30.09 29.99 10 10 7 17 8 29 0.43  
5 42 36 30 39 28 19 93 73 56 30.35 30.26 30.13 10 10 7 12 5 20 0.00  
6 42 32 21 25 21 18 93 64 42 30.34 30.20 30.04 10 10 10 13 4 - 0.00  
7 48 42 37 46 41 25 100 89 56 30.04 29.98 29.89 10 5 0 9 3 - 0.74  
8 53 46 39 50 46 36 100 87 71 30.10 29.91 29.83 10 8 0 13 6 22 0.07  
9 53 44 35 52 38 30 94 83 75 30.14 30.01 29.76 10 10 2 14 7 23 0.18  
10 55 45 35 54 45 34 94 91 81 29.80 29.67 29.56 10 8 2 12 9 20 0.84  
11 37 34 30 34 28 21 93 79 56 30.21 30.02 29.79 10 9 5 13 6 - 0.01  
12 37 30 21 25 21 19 93 71 48 30.43 30.35 30.21 10 10 5 8 4 - 0.00  
13 42 30 17 25 19 16 93 69 36 30.43 30.37 30.27 10 9 7 8 4 - 0.00  
14 46 35 24 27 23 18 86 65 43 30.29 30.25 30.22 10 10 10 13 4 - 0.00  
15 46 35 24 30 25 21 93 65 43 30.23 30.10 29.91 10 10 7 10 4 - 0.00  
16 55 50 44 48 41 28 82 68 50 29.90 29.79 29.72 10 10 10 13 8 17 0.00  
17 53 48 42 48 45 41 94 88 72 29.77 29.68 29.52 10 9 4 10 5 20 0.45  
18 44 38 33 43 34 27 93 84 70 29.83 29.68 29.51 10 9 2 13 6 24 0.12  
19 42 35 26 36 32 25 93 87 70 30.16 29.98 29.76 10 5 0 10 2 - 0.03  
20 42 34 26 39 33 25 100 82 61 30.14 29.76 29.36 10 9 2 25 10 30 0.65  
21 39 34 28 36 25 21 93 80 65 29.65 29.42 29.32 10 6 1 26 18 34 0.03  
22 30 28 26 25 20 18 86 71 64 30.06 29.93 29.65 10 9 1 21 14 32 0.00  
23 37 28 19 23 19 16 93 73 52 30.05 29.96 29.88 10 10 10 12 7 16 0.00  
24 37 26 15 30 23 12 93 83 65 30.00 29.89 29.77 10 7 0 12 3 - 0.03  
25 33 32 30 32 28 25 93 83 70 30.21 30.11 29.88 10 8 1 10 6 - 0.00  
26 30 27 24 27 22 19 93 79 64 30.20 29.83 29.60 10 7 0 28 14 33 0.07  
27 30 27 24 27 24 21 93 83 74 30.08 29.88 29.60 10 8 2 13 7 22 0.02  
28 30 24 19 21 19 16 86 74 64 30.14 30.07 29.89 10 10 10 10 5 17 0.02  
29 30 27 24 27 24 19 93 85 74 29.90 29.75 29.63 10 5 0 12 7 20 0.18  
30 28 26 23 25 20 18 86 78 69 30.33 30.20 29.91 10 8 3 17 10 24 0.02  
31 33 26 19 27 21 16 93 80 56 30.30 30.11 29.99 10 9 1 18 10 28 0.00