Weather History for Allentown, PA

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Month of April, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 63 °F 43 °F
Mean Temperature 71 °F 51 °F 33 °F
Min Temperature 55 °F 40 °F 21 °F
Degree Days  
Heating Degree Days (base 65) 32 14 0 421
Cooling Degree Days (base 65) 6 0 0 8
Growing Degree Days (base 50) 22 4 0 118
Dew Point  
Dew Point 63 °F 36 °F 8 °F
Precipitation  
Precipitation 1.07 in 0.13 in 0.00 in 2.93 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 8 mph 0 mph
Gust Wind 43 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.12 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 20, 2013 Rise Set
Actual Time 6:15 AM EDT 7:46 PM EDT
Civil Twilight 5:46 AM EDT 8:15 PM EDT
Nautical Twilight 5:12 AM EDT 8:50 PM EDT
Astronomical Twilight 4:35 AM EDT 9:27 PM EDT
Moon 2:26 PM EDT (4/20) 3:05 AM EDT (4/20)
Length of Visible Light 14h 28m
Length of Day
13h 31m
Waxing Gibbous, 71% of the Moon is Illuminated
Apr 20
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 18
First Quarter

Weather History Calendar

Precipitation Actual month total 2.93 Normal Month Total: 3.56
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
60 | 32 T
Average:
56 | 34 0.12
Scattered Clouds
Actual:
43 | 23 0.00
Average:
56 | 34 0.13
Scattered Clouds
Actual:
46 | 23 0.00
Average:
57 | 35 0.12
Clear
Actual:
53 | 21 0.00
Average:
57 | 35 0.13
Scattered Clouds
Actual:
62 | 35 0.00
Average:
57 | 35 0.11
Clear
Actual:
53 | 31 0.00
Average:
58 | 36 0.12
Scattered Clouds
Actual:
64 | 36 0.00
Average:
58 | 36 0.12
Rain
Actual:
76 | 39 T
Average:
59 | 36 0.12
Scattered Clouds
Actual:
82 | 51 0.00
Average:
59 | 36 0.12
Rain
Actual:
86 | 55 0.66
Average:
59 | 37 0.13
Rain
Actual:
63 | 49 T
Average:
60 | 37 0.12
Rain
Actual:
49 | 43 0.77
Average:
60 | 37 0.12
Fog
Actual:
58 | 38 0.00
Average:
60 | 38 0.12
Partly Cloudy
Actual:
60 | 39 0.00
Average:
61 | 38 0.12
Partly Cloudy
Actual:
62 | 45 T
Average:
61 | 38 0.12
Rain
Actual:
70 | 49 0.01
Average:
62 | 39 0.11
Rain
Actual:
71 | 51 0.02
Average:
62 | 39 0.12
Rain
Actual:
61 | 49 0.16
Average:
62 | 39 0.11
Rain
Actual:
77 | 50 1.07
Average:
63 | 40 0.11
Rain
Actual:
56 | 38 0.03
Average:
63 | 40 0.12
Clear
Actual:
55 | 31 0.00
Average:
64 | 40 0.12
Scattered Clouds
Actual:
56 | 31 0.00
Average:
64 | 41 0.11
Rain
Actual:
53 | 41 T
Average:
64 | 41 0.12
Rain
Actual:
71 | 36 0.03
Average:
65 | 41 0.11
Scattered Clouds
Actual:
62 | 42 0.00
Average:
65 | 42 0.12
Clear
Actual:
64 | 38 0.00
Average:
65 | 42 0.12
Clear
Actual:
69 | 34 0.00
Average:
66 | 42 0.12
Rain
Actual:
70 | 38 T
Average:
66 | 43 0.12
Rain
Actual:
56 | 52 0.18
Average:
66 | 43 0.12
Rain
Actual:
68 | 46 T
Average:
67 | 43 0.11
 

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
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 60 46 32 46 36 12 100 64 27 29.95 29.73 29.67 10 5 0 29 11 39 T Fog
2 43 33 23 15 12 9 65 45 25 30.12 30.03 29.96 10 10 10 18 11 33 0.00  
3 46 35 23 16 12 8 55 39 22 30.34 30.22 30.14 10 10 10 24 11 31 0.00  
4 53 37 21 21 17 12 58 43 28 30.41 30.27 30.08 10 10 10 17 6 21 0.00  
5 62 49 35 63 27 17 64 42 19 30.06 29.91 29.77 10 10 6 21 8 28 0.00  
6 53 42 31 22 15 10 56 38 20 30.32 30.24 30.07 10 10 10 15 6 21 0.00  
7 64 50 36 40 32 20 70 54 37 30.28 30.13 29.98 10 10 10 21 10 28 0.00  
8 76 58 39 48 42 37 89 58 27 30.08 30.01 29.95 10 10 1 16 6 23 T Rain
9 82 67 51 51 45 38 83 52 21 29.99 29.95 29.88 10 10 10 23 9 32 0.00  
10 86 71 55 61 56 49 93 67 40 29.94 29.85 29.76 10 8 0 30 7 38 0.66 Rain
11 63 56 49 59 51 42 90 79 67 29.99 29.91 29.79 10 10 7 23 10 30 T Rain
12 49 46 43 43 41 39 100 86 71 29.96 29.81 29.72 10 6 2 23 12 32 0.77 Rain
13 58 48 38 43 38 32 100 70 40 29.98 29.86 29.78 10 7 0 20 5 25 0.00 Fog
14 60 50 39 36 32 26 85 59 33 30.19 30.08 29.98 10 10 9 18 9 26 0.00  
15 62 54 45 41 35 29 59 51 42 30.35 30.28 30.19 10 10 10 13 8 18 T  
16 70 60 49 55 48 39 78 68 57 30.34 30.26 30.12 10 10 7 21 9 28 0.01 Rain
17 71 61 51 57 43 29 86 55 24 30.28 30.19 30.11 10 10 6 13 5 17 0.02 Rain
18 61 55 49 56 49 40 93 76 59 30.30 30.20 30.05 10 9 2 16 7 22 0.16 Rain
19 77 64 50 63 59 46 93 77 60 30.04 29.81 29.57 10 8 2 25 12 35 1.07 Rain
20 56 47 38 46 31 23 86 59 32 30.35 30.02 29.77 10 10 5 23 12 35 0.03 Rain
21 55 43 31 61 24 20 69 49 28 30.61 30.53 30.37 10 10 6 15 5 22 0.00  
22 56 44 31 61 31 26 82 60 38 30.63 30.56 30.47 10 10 6 21 10 28 0.00  
23 53 47 41 41 37 32 82 71 60 30.45 30.30 30.14 10 10 8 15 8 18 T Rain
24 71 54 36 57 46 36 92 71 49 30.12 29.97 29.79 10 10 5 29 8 43 0.03 Rain
25 62 52 42 46 32 28 70 49 27 30.28 30.16 29.91 10 10 10 23 8 33 0.00  
26 64 51 38 36 31 24 79 52 25 30.44 30.38 30.29 10 10 10 17 5 22 0.00  
27 69 52 34 36 33 30 82 53 24 30.45 30.37 30.27 10 10 10 10 2 15 0.00  
28 70 54 38 42 37 31 82 56 29 30.30 30.24 30.17 10 10 9 17 7 23 T Rain
29 56 54 52 54 50 39 100 78 55 30.21 30.17 30.13 10 7 2 14 7 20 0.18 Rain
30 68 57 46 54 46 22 100 62 24 30.33 30.25 30.18 10 8 2 17 8 23 T Rain