Weather History for Pittsburgh, PA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 74 °F 61 °F
Mean Temperature 79 °F 64 °F 51 °F
Min Temperature 70 °F 53 °F 40 °F
Degree Days  
Heating Degree Days (base 65) 14 4 0 130
Cooling Degree Days (base 65) 14 3 0 94
Growing Degree Days (base 50) 28 13 0 396
Dew Point  
Dew Point 72 °F 54 °F 31 °F
Precipitation  
Precipitation 1.46 in 0.18 in 0.00 in 4.80 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 35 mph 5 mph 0 mph
Gust Wind 44 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.05 in 29.59 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 12, 2012 Rise Set
Actual Time 6:59 AM EDT 7:33 PM EDT
Civil Twilight 6:31 AM EDT 8:01 PM EDT
Nautical Twilight 5:59 AM EDT 8:33 PM EDT
Astronomical Twilight 5:25 AM EDT 9:06 PM EDT
Moon 3:13 AM EDT (9/12) 5:21 PM EDT (9/12)
Length of Visible Light 13h 29m
Length of Day
12h 34m
Waning Crescent, 14% of the Moon is Illuminated
Sep 12
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 4.80 Normal Month Total: 3.11
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
87 | 70 0.24
Average:
79 | 59 0.11
Fog
Actual:
81 | 69 0.00
Average:
79 | 59 0.11
Thunderstorm
Actual:
87 | 69 0.50
Average:
79 | 58 0.11
Thunderstorm
Actual:
84 | 69 0.36
Average:
79 | 58 0.11
Partly Cloudy
Actual:
83 | 70 0.00
Average:
78 | 58 0.11
Partly Cloudy
Actual:
87 | 67 0.00
Average:
78 | 58 0.11
Partly Cloudy
Actual:
84 | 65 0.00
Average:
78 | 57 0.10
Thunderstorm
Actual:
76 | 57 0.50
Average:
77 | 57 0.11
Partly Cloudy
Actual:
71 | 54 T
Average:
77 | 57 0.11
Scattered Clouds
Actual:
70 | 49 0.00
Average:
77 | 56 0.11
Scattered Clouds
Actual:
75 | 46 0.00
Average:
76 | 56 0.11
Scattered Clouds
Actual:
80 | 50 0.00
Average:
76 | 56 0.10
Partly Cloudy
Actual:
83 | 55 0.00
Average:
76 | 55 0.11
Rain
Actual:
81 | 55 0.02
Average:
75 | 55 0.11
Fog
Actual:
71 | 53 0.00
Average:
75 | 54 0.10
Partly Cloudy
Actual:
73 | 47 0.00
Average:
74 | 54 0.11
Rain
Actual:
76 | 47 0.02
Average:
74 | 54 0.11
Rain
Actual:
71 | 51 1.07
Average:
74 | 53 0.10
Scattered Clouds
Actual:
62 | 43 0.00
Average:
73 | 53 0.11
Partly Cloudy
Actual:
74 | 41 0.00
Average:
73 | 52 0.11
Rain
Actual:
74 | 60 0.01
Average:
72 | 52 0.11
Rain
Actual:
70 | 46 0.15
Average:
72 | 52 0.10
Partly Cloudy
Actual:
61 | 40 0.00
Average:
71 | 51 0.10
Partly Cloudy
Actual:
61 | 41 0.00
Average:
71 | 51 0.09
Rain
Actual:
67 | 42 T
Average:
71 | 50 0.10
Thunderstorm
Actual:
66 | 58 0.36
Average:
70 | 50 0.09
Thunderstorm
Actual:
65 | 55 1.46
Average:
70 | 50 0.09
Mostly Cloudy
Actual:
64 | 47 T
Average:
69 | 49 0.09
Partly Cloudy
Actual:
65 | 41 0.01
Average:
69 | 49 0.09
Thunderstorm
Actual:
62 | 46 0.10
Average:
68 | 48 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

2012 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 87 79 70 70 68 66 97 77 57 30.14 30.09 30.05 10 9 2 13 5 17 0.24 Rain , Thunderstorm
2 81 75 69 70 68 67 97 80 62 30.08 30.04 29.97 10 7 0 9 3 12 0.00 Fog
3 87 78 69 69 68 66 90 75 59 30.01 29.98 29.94 10 9 0 18 5 30 0.50 Fog , Rain , Thunderstorm
4 84 77 69 72 69 67 97 78 58 29.99 29.90 29.83 10 8 2 14 5 18 0.36 Rain , Thunderstorm
5 83 77 70 70 66 63 93 72 51 29.93 29.88 29.85 10 10 8 10 4 15 0.00  
6 87 77 67 66 64 59 90 65 40 29.94 29.91 29.88 10 10 8 14 4 20 0.00  
7 84 75 65 68 65 63 93 72 51 29.97 29.90 29.75 10 9 5 14 4 18 0.00  
8 76 67 57 64 60 54 93 78 63 29.89 29.72 29.60 10 9 2 31 9 38 0.50 Rain , Thunderstorm
9 71 63 54 54 51 47 93 70 47 30.08 29.96 29.88 10 10 10 17 7 22 T  
10 70 60 49 49 46 42 83 62 40 30.24 30.18 30.09 10 10 10 16 7 22 0.00  
11 75 61 46 52 48 44 93 64 35 30.35 30.29 30.25 10 10 10 9 1 12 0.00  
12 80 65 50 55 51 47 89 61 33 30.36 30.31 30.26 10 10 10 9 2 14 0.00  
13 83 69 55 59 55 52 86 62 37 30.36 30.30 30.25 10 10 10 9 2 13 0.00  
14 81 68 55 60 57 53 93 68 42 30.29 30.22 30.14 10 10 5 28 7 32 0.02 Rain
15 71 62 53 53 50 45 93 67 41 30.34 30.27 30.20 10 8 0 9 4 13 0.00 Fog
16 73 60 47 48 45 41 93 64 35 30.22 30.17 30.10 10 10 10 10 2 15 0.00  
17 76 62 47 61 48 43 89 61 33 30.11 30.01 29.87 10 10 8 12 3 15 0.02 Rain
18 71 61 51 63 59 48 100 86 72 29.94 29.70 29.59 10 7 1 23 8 28 1.07 Rain
19 62 53 43 47 40 35 89 63 36 30.19 30.12 29.96 10 10 10 12 4 20 0.00  
20 74 58 41 51 43 36 89 58 27 30.14 30.06 29.96 10 10 10 14 5 18 0.00  
21 74 67 60 55 51 45 78 57 35 30.01 29.95 29.77 10 10 10 17 7 23 0.01 Rain
22 70 58 46 57 51 42 90 66 42 30.10 29.86 29.71 10 9 3 35 11 44 0.15 Rain
23 61 51 40 45 41 36 96 68 39 30.22 30.17 30.10 10 9 4 20 5 22 0.00  
24 61 51 41 44 38 31 93 63 32 30.29 30.20 30.09 10 10 9 16 5 20 0.00  
25 67 55 42 54 43 37 82 62 42 30.16 30.10 30.02 10 10 10 15 5 21 T Rain
26 66 62 58 61 59 53 93 86 78 30.12 30.06 30.00 10 9 5 17 8 24 0.36 Rain , Thunderstorm
27 65 60 55 63 60 55 100 97 93 30.20 30.13 30.04 10 3 0 26 5 32 1.46 Rain , Thunderstorm
28 64 56 47 54 49 43 100 74 48 30.16 30.12 30.09 10 8 2 16 7 22 T  
29 65 53 41 49 45 40 93 71 48 30.12 30.04 29.96 10 10 9 12 3 17 0.01  
30 62 54 46 50 48 44 93 75 56 29.96 29.91 29.87 10 8 4 10 2 13 0.10 Rain , Thunderstorm