Weather History for Johnstown, PA

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 83 °F 68 °F 53 °F
Mean Temperature 75 °F 59 °F 47 °F
Min Temperature 68 °F 49 °F 34 °F
Degree Days  
Heating Degree Days (base 65) 18 7 0 217
Cooling Degree Days (base 65) 10 1 0 31
Growing Degree Days (base 50) 24 8 0 253
Dew Point  
Dew Point 72 °F 51 °F 34 °F
Precipitation  
Precipitation 1.01 in 0.14 in 0.00 in 4.07 in
Snowdepth - - - -
Wind  
Wind 33 mph 6 mph 0 mph
Gust Wind 44 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 30.08 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 11, 2013 Rise Set
Actual Time 6:52 AM EDT 7:30 PM EDT
Civil Twilight 6:25 AM EDT 7:57 PM EDT
Nautical Twilight 5:52 AM EDT 8:30 PM EDT
Astronomical Twilight 5:19 AM EDT 9:03 PM EDT
Moon 1:19 PM EDT (9/11) 11:23 PM EDT (9/11)
Length of Visible Light 13h 32m
Length of Day
12h 37m
Waxing Crescent, 38% of the Moon is Illuminated
Sep 11
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Weather History Calendar

Precipitation Actual month total 4.07 Normal Month Total: 3.68
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
75 | 63 0.73
Average:
73 | 57 0.11
Thunderstorm
Actual:
78 | 63 0.48
Average:
73 | 57 0.11
Rain
Actual:
67 | 54 0.00
Average:
73 | 56 0.11
Scattered Clouds
Actual:
70 | 52 0.00
Average:
72 | 56 0.12
Partly Cloudy
Actual:
68 | 50 0.00
Average:
72 | 56 0.12
Clear
Actual:
68 | 43 0.00
Average:
72 | 55 0.11
Scattered Clouds
Actual:
72 | 49 0.00
Average:
71 | 55 0.11
Rain
Actual:
72 | 57 0.19
Average:
71 | 55 0.12
Rain
Actual:
68 | 50 T
Average:
71 | 54 0.12
Scattered Clouds
Actual:
83 | 64 0.00
Average:
70 | 54 0.11
Thunderstorm
Actual:
82 | 68 1.01
Average:
70 | 53 0.10
Thunderstorm
Actual:
76 | 57 0.27
Average:
70 | 53 0.11
Rain
Actual:
58 | 44 0.18
Average:
69 | 53 0.12
Partly Cloudy
Actual:
58 | 41 0.00
Average:
69 | 52 0.12
Clear
Actual:
66 | 40 0.00
Average:
69 | 52 0.11
Rain
Actual:
64 | 48 0.19
Average:
68 | 51 0.12
Fog
Actual:
61 | 39 0.00
Average:
68 | 51 0.11
Clear
Actual:
66 | 44 0.00
Average:
68 | 50 0.12
Partly Cloudy
Actual:
67 | 51 0.00
Average:
67 | 50 0.11
Partly Cloudy
Actual:
75 | 53 0.00
Average:
67 | 50 0.12
Rain
Actual:
65 | 54 1.01
Average:
66 | 49 0.11
Rain
Actual:
57 | 47 0.01
Average:
66 | 49 0.12
Partly Cloudy
Actual:
53 | 40 0.00
Average:
66 | 48 0.11
Fog
Actual:
66 | 34 0.00
Average:
65 | 48 0.11
Clear
Actual:
65 | 44 0.00
Average:
65 | 47 0.11
Clear
Actual:
70 | 45 0.00
Average:
65 | 47 0.11
Scattered Clouds
Actual:
67 | 48 0.00
Average:
64 | 47 0.12
Partly Cloudy
Actual:
60 | 47 0.00
Average:
64 | 46 0.11
Scattered Clouds
Actual:
66 | 46 0.00
Average:
64 | 46 0.12
Partly Cloudy
Actual:
67 | 49 0.00
Average:
70 | 45 0.14
 

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 75 69 63 70 65 61 93 86 78 29.95 29.89 29.83 10 8 1 15 5 18 0.73 Rain , Thunderstorm
2 78 71 63 68 65 63 100 81 62 29.89 29.85 29.78 10 8 0 20 7 38 0.48 Fog , Rain , Thunderstorm
3 67 61 54 64 57 52 100 79 58 30.06 29.93 29.83 10 8 0 20 9 26 0.00 Fog , Rain
4 70 61 52 54 52 51 100 77 53 30.14 30.10 30.05 10 9 4 15 8 20 0.00  
5 68 59 50 57 51 41 93 69 44 30.22 30.13 30.08 10 10 8 20 11 26 0.00  
6 68 56 43 46 41 34 92 61 29 30.30 30.24 30.17 10 10 10 7 2 10 0.00  
7 72 61 49 52 46 40 83 59 35 30.16 30.08 29.98 10 10 10 13 6 16 0.00  
8 72 65 57 63 58 52 93 77 61 30.10 30.01 29.95 10 9 2 14 7 17 0.19 Rain
9 68 59 50 59 52 43 89 75 61 30.20 30.15 30.11 10 10 10 14 7 18 T Rain
10 83 74 64 72 67 60 93 79 65 30.22 30.16 30.11 10 8 6 17 9 22 0.00  
11 82 75 68 71 68 66 97 83 69 30.22 30.15 30.05 10 6 0 33 6 44 1.01 Fog , Rain , Thunderstorm
12 76 67 57 68 64 56 100 87 74 30.03 29.91 29.81 10 7 2 26 9 39 0.27 Rain , Thunderstorm
13 58 51 44 57 51 43 100 89 77 30.02 29.90 29.82 10 9 2 17 9 23 0.18 Rain
14 58 50 41 45 41 37 100 79 57 30.22 30.11 30.01 10 10 10 13 6 18 0.00  
15 66 53 40 52 46 39 93 73 52 30.23 30.17 30.10 10 10 10 12 5 - 0.00  
16 64 56 48 52 50 46 100 80 60 30.32 30.20 30.09 10 9 4 14 7 18 0.19 Rain
17 61 50 39 46 40 34 100 70 39 30.44 30.36 30.31 10 8 0 12 4 24 0.00 Fog
18 66 55 44 47 42 35 77 61 44 30.32 30.26 30.19 10 10 10 12 6 15 0.00  
19 67 59 51 58 53 44 93 81 68 30.20 30.15 30.10 10 9 2 9 4 12 0.00  
20 75 64 53 61 57 52 100 82 64 30.10 30.04 29.91 10 9 1 20 7 36 0.00  
21 65 60 54 61 57 53 100 94 87 29.91 29.78 29.70 10 6 1 21 8 26 1.01 Rain
22 57 52 47 54 48 44 100 81 62 30.02 29.89 29.78 10 10 6 16 8 33 0.01 Rain
23 53 47 40 42 39 37 89 74 59 30.16 30.11 30.02 10 10 10 13 6 18 0.00  
24 66 50 34 45 40 36 100 72 43 30.15 30.09 30.02 10 8 0 8 2 10 0.00 Fog
25 65 55 44 49 44 40 92 68 44 30.02 29.98 29.95 10 10 10 8 1 12 0.00  
26 70 58 45 49 43 37 86 60 33 30.11 30.04 29.97 10 10 10 9 3 12 0.00  
27 67 58 48 52 49 46 100 76 52 30.25 30.19 30.12 10 10 10 8 3 12 0.00  
28 60 54 47 52 49 46 100 84 67 30.32 30.28 30.23 10 8 2 15 7 20 0.00  
29 66 56 46 50 46 44 93 77 60 30.22 30.15 30.08 10 10 10 10 5 15 0.00  
30 67 58 49 57 51 45 100 79 58 30.10 30.07 30.03 10 10 10 9 5 13 0.00