Weather History for Allentown, PA

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Month of January, 2005

  Max Avg Min Sum
Temperature  
Max Temperature 66 °F 33 °F 8 °F
Mean Temperature 50 °F 27 °F 6 °F
Min Temperature 41 °F 20 °F 0 °F
Degree Days  
Heating Degree Days (base 65) 60 38 16 1180
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 61 °F 19 °F -11 °F
Precipitation  
Precipitation 1.33 in 0.14 in 0.00 in 4.39 in
Snowdepth - - - -
Wind  
Wind 28 mph 7 mph 0 mph
Gust Wind 37 mph 23 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.83 in 30.23 in 29.64 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 01, 2005 Rise Set
Actual Time 7:25 AM EST 4:45 PM EST
Civil Twilight 6:54 AM EST 5:16 PM EST
Nautical Twilight 6:20 AM EST 5:50 PM EST
Astronomical Twilight 5:47 AM EST 6:23 PM EST
Moon 10:36 PM EST (1/1) 11:01 AM EST (1/1)
Length of Visible Light 10h 21m
Length of Day
9h 19m
Waning Gibbous, 70% of the Moon is Illuminated
Jan 1
Waning Gibbous
Jan 3
Last Quarter
Jan 10
New
Jan 17
First Quarter
Jan 25
Full

Weather History Calendar

Precipitation Actual month total 4.39 Average Month Total: 2.86
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
62 | 35 0.00
Average:
37 | 21 0.07
Partly Cloudy
Actual:
41 | 28 0.00
Average:
36 | 21 0.13
Rain
Actual:
48 | 37 0.23
Average:
36 | 22 0.05
Rain
Actual:
48 | 41 0.06
Average:
37 | 22 0.13
Rain
Actual:
42 | 32 0.45
Average:
35 | 20 0.05
Rain
Actual:
34 | 32 0.57
Average:
35 | 20 0.05
Rain
Actual:
39 | 33 0.01
Average:
35 | 21 0.11
Rain
Actual:
39 | 32 0.92
Average:
33 | 19 0.10
Overcast
Actual:
36 | 32 0.00
Average:
32 | 18 0.12
Partly Cloudy
Actual:
45 | 30 0.00
Average:
33 | 19 0.10
Snow
Actual:
36 | 30 0.43
Average:
34 | 19 0.07
Fog
Actual:
37 | 34 0.01
Average:
32 | 17 0.03
Rain
Actual:
63 | 36 0.12
Average:
33 | 16 0.10
Snow
Actual:
66 | 30 1.33
Average:
34 | 18 0.11
Clear
Actual:
28 | 21 0.00
Average:
33 | 19 0.05
Snow
Actual:
30 | 21 0.00
Average:
34 | 17 0.05
Snow
Actual:
25 | 14 0.00
Average:
33 | 16 0.03
Scattered Clouds
Actual:
14 | 7 0.00
Average:
33 | 17 0.07
Snow
Actual:
19 | 6 0.15
Average:
34 | 19 0.12
Scattered Clouds
Actual:
27 | 10 0.00
Average:
34 | 19 0.12
Partly Cloudy
Actual:
14 | 6 0.00
Average:
33 | 17 0.11
Snow
Actual:
8 | 3 0.00
Average:
35 | 18 0.06
Snow
Actual:
16 | 8 0.00
Average:
37 | 21 0.17
Snow
Actual:
19 | 0 0.04
Average:
38 | 22 0.11
Partly Cloudy
Actual:
32 | 15 0.00
Average:
37 | 23 0.20
Mostly Cloudy
Actual:
35 | 16 0.00
Average:
38 | 22 0.13
Clear
Actual:
17 | 5 0.00
Average:
35 | 20 0.12
Clear
Actual:
21 | 0 0.00
Average:
34 | 19 0.06
Snow
Actual:
28 | 1 0.01
Average:
35 | 19 0.11
Snow
Actual:
36 | 21 0.06
Average:
35 | 21 0.12
Clear
Actual:
33 | 10 0.00
Average:
36 | 21 0.01
 

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

2005 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 62 48 35 43 35 25 89 67 43 30.58 30.35 30.20 10 9 5 16 8 22 0.00  
2 41 34 28 34 29 24 85 74 65 30.66 30.56 30.42 10 10 10 7 3 - 0.00  
3 48 42 37 45 41 33 96 89 79 30.40 30.26 30.09 10 6 2 6 2 - 0.23 Rain
4 48 44 41 45 41 37 96 87 74 30.24 30.17 30.04 10 9 2 8 4 - 0.06 Rain
5 42 38 32 37 32 30 93 89 82 30.20 30.13 30.07 10 7 2 12 6 - 0.45 Rain
6 34 33 32 34 31 30 100 93 87 30.06 29.90 29.78 10 4 0 10 6 - 0.57 Fog , Rain
7 39 36 33 31 25 22 82 67 57 30.38 30.23 29.89 10 9 1 21 10 30 0.01 Rain
8 39 36 32 36 32 28 100 87 70 30.35 30.18 30.00 10 6 1 18 5 25 0.92 Rain
9 36 34 32 30 28 26 82 75 70 30.47 30.36 30.24 10 10 10 14 6 - 0.00  
10 45 38 30 35 31 26 87 76 58 30.21 30.12 30.04 10 9 5 15 9 28 0.00  
11 36 33 30 33 29 25 96 85 70 30.35 30.25 30.20 10 5 0 12 5 - 0.43 Rain , Snow
12 37 36 34 36 35 33 100 95 92 30.22 30.19 30.15 3 1 0 14 10 - 0.01 Fog
13 63 50 36 58 46 35 100 94 81 30.19 30.00 29.81 10 3 0 20 7 26 0.12 Fog , Rain
14 66 48 30 61 40 20 94 80 62 30.51 30.03 29.70 10 8 2 28 15 37 1.33 Rain , Snow
15 28 24 21 17 13 11 78 62 51 30.77 30.69 30.53 10 10 10 17 8 - 0.00  
16 30 26 21 17 15 11 85 65 51 30.69 30.45 30.23 10 10 9 12 6 - 0.00 Snow
17 25 20 14 17 9 -1 78 62 42 30.40 30.29 30.21 10 9 1 17 11 25 0.00 Rain , Snow
18 14 10 7 1 -6 -11 61 47 34 30.69 30.58 30.41 10 10 10 21 12 28 0.00  
19 19 12 6 18 10 -4 93 77 45 30.55 30.13 29.91 10 5 1 10 4 - 0.15 Snow
20 27 18 10 16 10 2 92 67 47 30.04 29.98 29.90 10 10 7 13 8 - 0.00  
21 14 10 6 2 -4 -10 64 52 39 30.33 30.20 30.06 10 10 10 13 8 - 0.00  
22 8 6 3 5 1 -4 92 82 72 30.30 30.15 29.78 10 2 0 14 9 - 0.00 Snow
23 16 12 8 5 -1 -5 62 56 51 30.20 30.02 29.81 10 9 5 24 18 32 0.00 Snow
24 19 10 0 13 6 -8 84 71 44 30.21 29.99 29.85 10 6 0 16 10 - 0.04 Fog , Snow
25 32 24 15 21 16 8 75 66 52 29.94 29.87 29.79 10 10 10 10 8 - 0.00  
26 35 26 16 27 20 6 82 70 63 30.05 29.77 29.64 10 10 9 21 6 - 0.00  
27 17 11 5 5 -6 -10 65 49 36 30.70 30.43 30.07 10 10 10 17 13 22 0.00  
28 21 10 0 3 -2 -8 73 56 36 30.83 30.76 30.70 10 10 10 13 5 - 0.00  
29 28 14 1 20 5 -3 84 64 33 30.69 30.45 30.20 10 9 2 9 1 - 0.01 Snow
30 36 28 21 22 18 8 93 73 40 30.22 30.13 30.06 10 6 2 10 3 - 0.06 Snow
31 33 22 10 14 10 5 88 64 46 30.43 30.37 30.24 10 10 9 6 2 - 0.00