Weather History for Philadelphia, PA

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 43 °F 22 °F
Mean Temperature 53 °F 37 °F 17 °F
Min Temperature 43 °F 29 °F 12 °F
Degree Days  
Heating Degree Days (base 65) 48 28 12 881
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 59 °F 25 °F -8 °F
Precipitation  
Precipitation 0.85 in 0.12 in 0.00 in 3.34 in
Snowdepth 1.0 in 0.1 in 0.0 in -
Wind  
Wind 41 mph 9 mph 0 mph
Gust Wind 52 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 30.16 in 29.11 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 15, 2013 Rise Set
Actual Time 7:20 AM EST 5:00 PM EST
Civil Twilight 6:50 AM EST 5:30 PM EST
Nautical Twilight 6:17 AM EST 6:03 PM EST
Astronomical Twilight 5:45 AM EST 6:36 PM EST
Moon 9:25 AM EST (1/15) 9:47 PM EST (1/15)
Length of Visible Light 10h 39m
Length of Day
9h 40m
Waxing Crescent, 19% of the Moon is Illuminated
Jan 15
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

Weather History Calendar

Precipitation Actual month total 3.34 Normal Month Total: 3.03
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Overcast
Actual:
42 | 33 0.00
Average:
41 | 27 0.09
Partly Cloudy
Actual:
35 | 27 0.00
Average:
41 | 26 0.10
Partly Cloudy
Actual:
35 | 25 0.00
Average:
41 | 26 0.09
Partly Cloudy
Actual:
40 | 30 0.00
Average:
41 | 26 0.10
Partly Cloudy
Actual:
42 | 28 0.00
Average:
40 | 26 0.10
Snow
Actual:
48 | 32 0.09
Average:
40 | 26 0.09
Scattered Clouds
Actual:
47 | 31 0.00
Average:
40 | 26 0.10
Partly Cloudy
Actual:
49 | 27 0.00
Average:
40 | 26 0.09
Partly Cloudy
Actual:
53 | 31 T
Average:
40 | 26 0.10
Partly Cloudy
Actual:
50 | 36 0.00
Average:
40 | 26 0.10
Rain
Actual:
50 | 34 0.68
Average:
40 | 26 0.10
Fog
Actual:
53 | 43 0.00
Average:
36 | 22 0.04
Rain
Actual:
51 | 43 T
Average:
40 | 25 0.10
Rain
Actual:
58 | 42 0.20
Average:
40 | 25 0.10
Rain
Actual:
42 | 36 0.35
Average:
40 | 25 0.10
Rain
Actual:
39 | 35 0.85
Average:
40 | 25 0.10
Overcast
Actual:
43 | 38 0.00
Average:
40 | 25 0.10
Snow
Actual:
39 | 29 T
Average:
40 | 25 0.10
Scattered Clouds
Actual:
52 | 30 0.00
Average:
40 | 25 0.09
Scattered Clouds
Actual:
57 | 32 0.00
Average:
40 | 25 0.10
Snow
Actual:
36 | 27 0.05
Average:
40 | 25 0.10
Scattered Clouds
Actual:
27 | 15 0.00
Average:
40 | 25 0.09
Partly Cloudy
Actual:
22 | 12 0.00
Average:
40 | 25 0.10
Partly Cloudy
Actual:
27 | 17 0.00
Average:
40 | 25 0.10
Snow
Actual:
24 | 17 0.07
Average:
40 | 25 0.10
Partly Cloudy
Actual:
29 | 14 0.00
Average:
40 | 26 0.09
Partly Cloudy
Actual:
36 | 17 0.00
Average:
41 | 26 0.10
Snow
Actual:
38 | 27 0.11
Average:
41 | 26 0.09
Mostly Cloudy
Actual:
54 | 35 0.00
Average:
41 | 26 0.11
Rain
Actual:
68 | 38 0.32
Average:
41 | 26 0.10
Snow
Actual:
62 | 30 0.62
Average:
41 | 26 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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 42 38 33 29 26 18 70 61 51 30.04 29.96 29.90 10 10 10 15 9 21 0.00  
2 35 31 27 16 13 11 53 44 35 30.22 30.11 30.02 10 10 10 17 9 22 0.00  
3 35 30 25 21 15 8 69 52 35 30.24 30.19 30.14 10 10 10 17 8 21 0.00  
4 40 35 30 22 20 19 69 57 44 30.17 30.11 30.05 10 10 10 23 13 29 0.00  
5 42 35 28 25 20 18 69 54 39 30.37 30.27 30.11 10 10 8 17 8 23 0.00  
6 48 40 32 34 29 25 96 69 42 30.25 30.14 30.02 10 7 2 15 7 18 0.09 Snow
7 47 39 31 28 27 25 75 60 45 30.43 30.33 30.12 10 10 10 15 7 23 0.00  
8 49 38 27 32 29 25 85 68 50 30.45 30.41 30.38 10 9 7 16 6 18 0.00  
9 53 42 31 39 35 30 96 79 61 30.40 30.32 30.20 10 9 7 17 6 23 T  
10 50 43 36 33 26 24 79 58 36 30.56 30.49 30.35 10 10 10 14 7 16 0.00  
11 50 42 34 46 39 26 100 77 53 30.52 30.26 30.09 10 6 2 13 4 20 0.68 Rain
12 53 48 43 45 43 42 100 91 74 30.18 30.14 30.10 7 4 0 9 5 - 0.00 Fog
13 51 47 43 50 45 43 100 96 92 30.17 30.10 30.01 4 1 0 8 3 10 T Fog , Rain
14 58 50 42 54 47 34 100 75 50 30.29 30.11 29.98 10 5 0 20 7 24 0.20 Fog , Rain
15 42 39 36 39 32 28 92 76 60 30.36 30.28 30.21 10 9 4 14 7 21 0.35 Rain
16 39 37 35 36 34 32 92 89 85 30.19 30.02 29.85 9 5 2 21 7 24 0.85 Rain
17 43 41 38 37 30 26 92 73 53 30.12 30.06 29.98 10 9 6 17 8 22 0.00  
18 39 34 29 27 15 7 64 48 32 30.52 30.36 30.06 10 10 10 29 11 37 T Snow
19 52 41 30 29 24 14 70 54 38 30.43 30.23 29.96 10 10 10 23 13 29 0.00  
20 57 45 32 29 22 9 60 41 21 30.09 29.90 29.78 10 10 10 31 15 39 0.00  
21 36 32 27 27 17 8 92 64 36 30.13 29.97 29.87 10 7 0 22 7 28 0.05 Fog , Snow
22 27 21 15 11 -2 -8 55 43 31 30.30 30.13 29.92 10 10 10 26 16 35 0.00  
23 22 17 12 2 -3 -6 58 46 33 30.33 30.26 30.20 10 10 10 21 9 26 0.00  
24 27 22 17 6 0 -5 61 43 25 30.49 30.31 30.15 10 10 10 24 10 36 0.00  
25 24 21 17 16 9 -3 92 66 39 30.50 30.27 30.10 10 6 1 14 5 18 0.07 Snow
26 29 22 14 13 10 7 88 64 39 30.43 30.22 30.09 10 9 7 20 8 24 0.00  
27 36 27 17 16 11 8 67 51 35 30.59 30.52 30.45 10 10 10 16 7 21 0.00  
28 38 33 27 35 29 18 92 78 63 30.52 30.29 30.06 10 4 1 16 9 22 0.11 Rain , Snow
29 54 45 35 45 39 33 100 86 71 30.16 30.10 30.04 8 4 2 12 3 13 0.00  
30 68 53 38 57 51 37 100 84 68 30.05 29.72 29.35 10 6 2 27 10 37 0.32 Fog , Rain
31 62 46 30 59 40 7 93 61 29 29.89 29.39 29.11 10 8 2 41 24 52 0.62 Rain , Snow