Weather History for Butler, PA

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 71 °F 55 °F
Mean Temperature 78 °F 61 °F 48 °F
Min Temperature 69 °F 50 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 17 6 0 171
Cooling Degree Days (base 65) 14 2 0 45
Growing Degree Days (base 50) 28 11 0 321
Dew Point  
Dew Point 73 °F 53 °F 34 °F
Precipitation  
Precipitation 0.84 in 0.06 in 0.00 in 1.75 in
Snowdepth - - - -
Wind  
Wind 14 mph 4 mph 0 mph
Gust Wind 38 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 30.08 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 28, 2013 Rise Set
Actual Time 7:13 AM EDT 7:06 PM EDT
Civil Twilight 6:46 AM EDT 7:33 PM EDT
Nautical Twilight 6:14 AM EDT 8:05 PM EDT
Astronomical Twilight 5:42 AM EDT 8:37 PM EDT
Moon 12:57 AM EDT 3:26 PM EDT
Length of Visible Light 12h 47m
Length of Day
11h 52m
Last Quarter, 36% of the Moon is Illuminated
Sep 28
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.75 Average Month Total: 2.74
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
77 | 66 0.00
Average:
75 | 55 0.12
Partly Cloudy
Actual:
82 | 62 0.00
Average:
74 | 55 0.12
Partly Cloudy
Actual:
66 | 55 0.00
Average:
74 | 55 0.11
Scattered Clouds
Actual:
75 | 50 0.00
Average:
74 | 54 0.10
Scattered Clouds
Actual:
71 | 50 0.00
Average:
74 | 54 0.10
Clear
Actual:
69 | 42 0.00
Average:
73 | 54 0.10
Scattered Clouds
Actual:
77 | 44 0.00
Average:
73 | 54 0.09
Partly Cloudy
Actual:
75 | 55 0.00
Average:
73 | 53 0.09
Thunderstorm
Actual:
75 | 53 0.08
Average:
73 | 53 0.09
Scattered Clouds
Actual:
89 | 68 0.02
Average:
72 | 53 0.09
Thunderstorm
Actual:
87 | 69 0.13
Average:
72 | 52 0.09
Thunderstorm
Actual:
75 | 57 0.39
Average:
72 | 52 0.09
Mostly Cloudy
Actual:
60 | 51 0.12
Average:
71 | 52 0.09
Partly Cloudy
Actual:
62 | 44 0.00
Average:
71 | 51 0.09
Scattered Clouds
Actual:
66 | 41 0.00
Average:
71 | 51 0.09
Partly Cloudy
Actual:
68 | 48 0.17
Average:
70 | 50 0.09
Clear
Actual:
64 | 41 0.00
Average:
70 | 50 0.09
Scattered Clouds
Actual:
71 | 41 0.00
Average:
69 | 50 0.09
Partly Cloudy
Actual:
75 | 57 0.00
Average:
69 | 49 0.09
Partly Cloudy
Actual:
78 | 55 0.00
Average:
68 | 49 0.09
Partly Cloudy
Actual:
68 | 53 0.84
Average:
68 | 49 0.09
Overcast
Actual:
59 | 51 0.00
Average:
68 | 48 0.09
Partly Cloudy
Actual:
55 | 41 0.00
Average:
67 | 48 0.09
Clear
Actual:
66 | 35 0.00
Average:
67 | 47 0.09
Clear
Actual:
71 | 42 0.00
Average:
66 | 47 0.08
Clear
Actual:
73 | 44 0.00
Average:
66 | 47 0.08
Scattered Clouds
Actual:
71 | 48 0.00
Average:
66 | 46 0.08
Scattered Clouds
Actual:
69 | 46 0.00
Average:
65 | 46 0.08
Scattered Clouds
Actual:
71 | 46 0.00
Average:
65 | 45 0.08
Partly Cloudy
Actual:
69 | 51 0.00
Average:
64 | 45 0.07
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 77 72 66 70 68 64 100 90 78 29.89 29.86 29.82 10 4 1 8 3 - 0.00 Thunderstorm
2 82 73 62 70 66 61 94 81 58 29.90 29.83 29.79 10 9 2 14 5 21 0.00  
3 66 60 55 61 55 52 94 80 60 30.08 29.98 29.88 10 8 0 10 3 18 0.00  
4 75 62 50 57 53 46 94 75 50 30.16 30.11 30.07 10 7 0 13 3 - 0.00  
5 71 61 50 57 51 43 94 66 40 30.25 30.17 30.09 10 10 10 9 5 17 0.00  
6 69 56 42 46 42 36 93 65 28 30.32 30.25 30.17 10 10 8 7 2 - 0.00  
7 77 60 44 57 49 41 93 65 38 30.17 30.08 29.99 10 10 10 10 3 - 0.00  
8 75 65 55 64 58 52 88 75 57 30.12 30.02 29.95 10 10 9 12 3 17 0.00  
9 75 64 53 70 59 48 94 81 69 30.15 30.11 30.06 10 8 3 9 6 - 0.08 Thunderstorm
10 89 78 68 73 70 64 94 78 59 30.18 30.13 30.08 10 7 3 13 6 18 0.02  
11 87 78 69 72 69 64 94 83 58 30.20 30.14 30.05 10 8 3 13 6 24 0.13 Thunderstorm
12 75 66 57 70 65 55 94 89 78 30.05 29.94 29.85 10 6 0 8 5 38 0.39 Thunderstorm
13 60 56 51 57 49 43 94 78 55 30.06 29.94 29.86 10 10 3 10 4 20 0.12  
14 62 53 44 46 43 37 87 69 45 30.20 30.14 30.06 10 10 10 7 2 - 0.00  
15 66 54 41 54 46 39 93 74 49 30.22 30.16 30.09 10 9 0 9 2 - 0.00  
16 68 58 48 54 51 45 94 77 56 30.34 30.22 30.12 10 8 0 10 3 - 0.17  
17 64 52 41 45 40 37 93 67 39 30.44 30.36 30.30 10 10 7 13 6 - 0.00  
18 71 56 41 54 45 37 88 68 50 30.29 30.23 30.15 10 10 10 9 5 - 0.00  
19 75 66 57 61 56 50 94 78 53 30.18 30.13 30.07 10 8 2 8 2 - 0.00  
20 78 66 55 66 62 54 94 82 65 30.08 29.99 29.87 10 7 0 12 3 - 0.00  
21 68 60 53 64 59 52 94 90 82 29.87 29.78 29.73 10 7 0 10 5 18 0.84  
22 59 55 51 54 48 45 94 80 63 30.06 29.94 29.83 10 8 0 10 3 - 0.00  
23 55 48 41 46 41 37 93 74 54 30.18 30.13 30.05 10 10 2 10 2 - 0.00  
24 66 50 35 50 41 34 93 75 45 30.16 30.09 30.00 10 8 1 10 2 - 0.00  
25 71 56 42 52 45 39 93 74 41 30.01 29.97 29.93 10 9 2 9 4 - 0.00  
26 73 58 44 52 46 41 93 69 35 30.13 30.05 29.98 10 10 7 9 4 - 0.00  
27 71 60 48 54 49 45 93 74 46 30.24 30.19 30.12 10 10 5 10 6 - 0.00  
28 69 58 46 54 49 43 93 73 49 30.30 30.24 30.19 10 9 2 13 5 18 0.00  
29 71 58 46 57 50 43 93 72 53 30.19 30.12 30.04 10 10 10 8 4 - 0.00  
30 69 60 51 59 54 48 94 81 64 30.09 30.06 30.02 10 10 8 8 2 - 0.00