Weather History for Reading, PA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 46 °F 33 °F
Mean Temperature 59 °F 40 °F 30 °F
Min Temperature 49 °F 32 °F 22 °F
Degree Days  
Heating Degree Days (base 65) 35 25 6 786
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 0 0 10
Dew Point  
Dew Point 55 °F 32 °F 16 °F
Precipitation  
Precipitation 0.86 in 0.10 in 0.00 in 2.86 in
Snowdepth - - - -
Wind  
Wind 32 mph 6 mph 0 mph
Gust Wind 46 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.50 in 30.02 in 29.15 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 21, 2012 Rise Set
Actual Time 7:23 AM EST 4:40 PM EST
Civil Twilight 6:52 AM EST 5:11 PM EST
Nautical Twilight 6:18 AM EST 5:46 PM EST
Astronomical Twilight 5:45 AM EST 6:19 PM EST
Moon 12:27 PM EST (12/21) 1:07 AM EST (12/21)
Length of Visible Light 10h 19m
Length of Day
9h 17m
Waxing Gibbous, 64% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Weather History Calendar

Precipitation Actual month total 2.86 Normal Month Total: 3.29
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Overcast
Actual:
42 | 33 0.00
Average:
47 | 30 0.11
Rain
Actual:
53 | 37 0.01
Average:
46 | 30 0.12
Fog
Actual:
65 | 41 0.00
Average:
46 | 29 0.12
Rain
Actual:
68 | 49 0.05
Average:
45 | 29 0.12
Rain
Actual:
61 | 33 T
Average:
45 | 29 0.12
Clear
Actual:
42 | 27 0.00
Average:
45 | 29 0.12
Rain
Actual:
40 | 30 0.25
Average:
44 | 28 0.11
Rain
Actual:
48 | 40 0.04
Average:
44 | 28 0.12
Rain
Actual:
46 | 40 0.23
Average:
44 | 28 0.11
Rain
Actual:
50 | 40 0.03
Average:
43 | 27 0.12
Rain
Actual:
50 | 31 0.08
Average:
43 | 27 0.11
Clear
Actual:
43 | 28 0.00
Average:
43 | 27 0.12
Clear
Actual:
46 | 25 0.00
Average:
42 | 27 0.11
Clear
Actual:
49 | 22 0.00
Average:
42 | 26 0.10
Scattered Clouds
Actual:
48 | 27 0.00
Average:
42 | 26 0.10
Rain
Actual:
51 | 43 0.06
Average:
41 | 26 0.10
Rain
Actual:
45 | 41 0.27
Average:
41 | 26 0.10
Rain
Actual:
53 | 40 0.04
Average:
41 | 25 0.10
Scattered Clouds
Actual:
48 | 34 0.00
Average:
41 | 25 0.10
Rain
Actual:
46 | 27 0.37
Average:
40 | 25 0.10
Snow
Actual:
56 | 34 0.86
Average:
40 | 25 0.10
Overcast
Actual:
41 | 35 T
Average:
40 | 25 0.11
Scattered Clouds
Actual:
45 | 27 0.00
Average:
40 | 24 0.11
Snow
Actual:
40 | 23 0.14
Average:
39 | 24 0.10
Mostly Cloudy
Actual:
43 | 31 0.00
Average:
39 | 24 0.11
Snow
Actual:
39 | 27 0.18
Average:
39 | 24 0.09
Snow
Actual:
37 | 33 0.08
Average:
39 | 24 0.09
Partly Cloudy
Actual:
40 | 26 0.00
Average:
39 | 24 0.10
Snow
Actual:
33 | 27 0.17
Average:
39 | 23 0.09
Partly Cloudy
Actual:
36 | 30 0.00
Average:
38 | 23 0.09
Scattered Clouds
Actual:
36 | 25 0.00
Average:
38 | 23 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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 42 38 33 37 32 28 100 87 73 30.50 30.43 30.38 10 8 1 10 6 14 0.00  
2 53 45 37 46 41 36 100 86 71 30.43 30.28 30.14 9 3 0 10 2 14 0.01 Fog , Rain
3 65 53 41 52 46 41 100 82 63 30.25 30.19 30.14 10 4 0 8 1 12 0.00 Fog
4 68 59 49 55 51 48 100 80 59 30.25 30.15 29.97 10 7 2 14 2 17 0.05 Rain
5 61 47 33 52 35 20 77 61 44 30.30 30.12 29.95 10 10 10 25 12 35 T Rain
6 42 35 27 24 20 19 85 62 39 30.39 30.33 30.28 10 10 10 12 2 13 0.00  
7 40 35 30 39 35 22 100 85 69 30.27 30.12 30.00 10 4 1 6 1 7 0.25 Rain
8 48 44 40 46 43 39 100 93 86 30.04 29.96 29.88 3 1 0 6 0 6 0.04 Fog , Rain
9 46 43 40 45 41 39 100 92 83 30.25 30.12 30.01 10 3 0 15 4 18 0.23 Fog , Rain
10 50 45 40 49 45 39 100 97 93 29.97 29.70 29.55 10 1 0 16 2 20 0.03 Fog , Rain
11 50 41 31 45 35 26 89 67 45 30.23 29.94 29.65 10 10 6 20 7 25 0.08 Rain
12 43 36 28 29 27 24 92 71 49 30.47 30.39 30.23 10 10 6 10 2 12 0.00  
13 46 36 25 28 24 21 92 65 38 30.49 30.43 30.36 10 9 4 10 2 14 0.00  
14 49 36 22 29 25 20 92 66 39 30.35 30.28 30.22 10 9 6 13 2 16 0.00  
15 48 38 27 37 29 24 92 73 53 30.35 30.26 30.18 10 9 6 10 2 16 0.00  
16 51 47 43 47 42 37 86 79 71 30.16 29.98 29.89 10 9 4 9 5 14 0.06 Rain
17 45 43 41 43 42 39 100 96 92 29.89 29.81 29.58 10 3 0 10 5 15 0.27 Rain
18 53 47 40 47 41 28 100 79 57 29.76 29.57 29.51 10 6 0 25 8 35 0.04 Fog , Rain
19 48 41 34 32 30 28 76 65 53 30.18 29.95 29.77 15 10 10 24 11 30 0.00  
20 46 37 27 42 33 26 100 79 57 30.22 29.98 29.59 10 8 5 21 5 37 0.37 Rain
21 56 45 34 54 37 26 93 76 59 29.50 29.30 29.15 10 8 2 25 15 40 0.86 Rain , Snow
22 41 38 35 29 23 20 89 67 44 29.95 29.72 29.43 10 10 10 32 20 46 T  
23 45 36 27 23 21 16 78 55 31 30.04 29.97 29.89 10 10 10 21 8 28 0.00  
24 40 32 23 32 27 20 100 77 54 30.11 30.00 29.90 10 6 1 10 4 17 0.14 Snow
25 43 37 31 34 30 21 100 80 60 30.29 30.09 29.89 10 6 1 17 5 23 0.00  
26 39 33 27 33 25 19 92 78 63 30.30 29.93 29.47 10 8 0 26 9 40 0.18 Fog , Rain , Snow
27 37 35 33 34 27 22 89 75 61 29.96 29.65 29.40 10 10 6 28 17 38 0.08 Rain , Snow
28 40 33 26 26 24 22 85 70 54 30.13 30.07 29.97 10 10 2 23 8 30 0.00  
29 33 30 27 29 26 23 92 81 69 30.04 29.73 29.55 10 5 0 23 6 31 0.17 Fog , Snow
30 36 33 30 23 20 19 69 63 56 30.25 30.06 29.76 10 10 10 30 16 38 0.00  
31 36 31 25 24 21 18 75 66 56 30.26 30.16 29.97 10 10 10 14 5 18 0.00