Weather History for Lancaster, PA

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 64 °F 40 °F 25 °F
Mean Temperature 60 °F 33 °F 20 °F
Min Temperature 55 °F 25 °F 14 °F
Degree Days  
Heating Degree Days (base 65) 45 32 6 993
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 0 0 10
Dew Point  
Dew Point 61 °F 27 °F 1 °F
Precipitation  
Precipitation 1.36 in 0.13 in 0.00 in 4.04 in
Snowdepth - - - -
Wind  
Wind 28 mph 5 mph 0 mph
Gust Wind 37 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 30.11 in 29.52 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 26, 2013 Rise Set
Actual Time 7:26 AM EST 4:45 PM EST
Civil Twilight 6:55 AM EST 5:16 PM EST
Nautical Twilight 6:21 AM EST 5:50 PM EST
Astronomical Twilight 5:48 AM EST 6:23 PM EST
Moon 12:52 AM EST (12/26) 12:20 PM EST (12/26)
Length of Visible Light 10h 21m
Length of Day
9h 19m
Last Quarter, 38% of the Moon is Illuminated
Dec 26
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 24
Last Quarter

Weather History Calendar

Precipitation Actual month total 4.04 Average Month Total: 2.93
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Partly Cloudy
Actual:
39 | 24 0.00
Average:
46 | 30 0.13
Mostly Cloudy
Actual:
45 | 34 0.00
Average:
47 | 30 0.12
Rain
Actual:
51 | 32 0.00
Average:
47 | 28 0.14
Partly Cloudy
Actual:
52 | 32 0.00
Average:
48 | 30 0.16
Fog
Actual:
55 | 46 0.01
Average:
45 | 30 0.14
Rain
Actual:
57 | 35 1.36
Average:
44 | 30 0.05
Rain
Actual:
37 | 28 0.02
Average:
46 | 30 0.01
Snow
Actual:
28 | 24 0.18
Average:
46 | 29 0.03
Rain
Actual:
33 | 28 0.13
Average:
45 | 26 0.17
Snow
Actual:
32 | 17 0.15
Average:
42 | 25 0.08
Scattered Clouds
Actual:
30 | 14 0.00
Average:
43 | 27 0.02
Snow
Actual:
25 | 15 0.00
Average:
42 | 26 0.13
Clear
Actual:
34 | 15 0.00
Average:
43 | 26 0.14
Snow
Actual:
30 | 24 0.44
Average:
43 | 25 0.12
Rain
Actual:
37 | 27 0.00
Average:
45 | 26 0.11
Scattered Clouds
Actual:
30 | 19 0.00
Average:
43 | 25 0.11
Snow
Actual:
26 | 16 0.04
Average:
42 | 27 0.14
Partly Cloudy
Actual:
34 | 15 0.00
Average:
40 | 24 0.19
Clear
Actual:
39 | 15 0.00
Average:
39 | 23 0.04
Rain
Actual:
46 | 27 0.00
Average:
39 | 24 0.03
Scattered Clouds
Actual:
60 | 35 0.00
Average:
39 | 23 0.15
Rain
Actual:
64 | 55 0.17
Average:
41 | 23 0.08
Rain
Actual:
55 | 34 0.66
Average:
43 | 23 0.05
Snow
Actual:
36 | 21 0.00
Average:
41 | 23 0.06
Clear
Actual:
26 | 16 0.00
Average:
41 | 22 0.25
Snow
Actual:
35 | 21 0.07
Average:
36 | 20 0.00
Scattered Clouds
Actual:
44 | 15 0.00
Average:
35 | 19 0.04
Clear
Actual:
55 | 24 0.00
Average:
37 | 24 0.10
Rain
Actual:
41 | 35 0.81
Average:
38 | 24 0.06
Partly Cloudy
Actual:
42 | 24 0.00
Average:
38 | 24 0.02
Partly Cloudy
Actual:
35 | 21 0.00
Average:
38 | 22 0.06
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 39 32 24 29 25 21 93 78 60 30.36 30.20 30.03 8 5 2 7 1 - 0.00  
2 45 40 34 33 30 28 89 74 58 30.01 29.94 29.89 6 5 3 5 0 - 0.00  
3 51 42 32 35 33 30 93 79 54 30.01 29.94 29.89 6 4 2 8 2 - 0.00 Rain
4 52 42 32 47 38 30 96 83 63 30.11 30.06 30.01 6 4 1 6 2 - 0.00  
5 55 50 46 54 51 46 100 98 93 30.08 30.00 29.92 3 1 0 7 3 - 0.01 Fog
6 57 46 35 57 45 33 100 93 82 30.17 30.00 29.87 10 4 0 14 4 21 1.36 Fog , Rain
7 37 32 28 32 27 19 89 75 59 30.55 30.35 30.15 10 9 5 15 9 20 0.02 Rain
8 28 26 24 27 22 14 100 84 58 30.59 30.47 30.33 10 4 0 8 5 - 0.18 Fog , Rain , Snow
9 33 30 28 32 31 27 100 94 87 30.30 30.10 30.02 5 2 0 10 5 - 0.13 Fog , Rain
10 32 24 17 30 26 13 100 89 66 30.19 30.02 29.96 10 3 0 13 6 20 0.15 Fog , Snow
11 30 22 14 16 14 11 92 70 50 30.38 30.29 30.20 10 9 2 13 4 - 0.00  
12 25 20 15 18 8 1 78 56 42 30.41 30.31 30.20 10 9 3 15 8 20 0.00 Snow
13 34 24 15 18 12 4 75 57 46 30.33 30.24 30.18 10 10 8 18 6 24 0.00  
14 30 27 24 28 25 18 96 88 66 30.39 30.06 29.75 10 4 0 20 9 28 0.44 Fog , Rain , Snow
15 37 32 27 31 26 18 93 83 61 29.90 29.71 29.60 10 8 3 24 9 29 0.00 Rain
16 30 24 19 19 10 6 72 55 43 30.22 30.13 29.91 10 10 8 17 10 25 0.00  
17 26 21 16 23 18 14 100 83 69 30.19 30.05 29.95 9 4 1 9 5 - 0.04 Snow
18 34 24 15 21 18 15 100 79 52 30.21 30.11 29.99 10 6 1 16 6 - 0.00  
19 39 27 15 26 21 12 92 76 50 30.19 30.13 30.07 8 5 3 5 1 - 0.00  
20 46 36 27 32 28 24 89 73 50 30.10 30.04 29.99 10 7 2 5 1 - 0.00 Rain
21 60 47 35 54 40 31 97 83 66 30.01 29.95 29.88 10 7 4 12 3 - 0.00  
22 64 60 55 61 57 54 96 87 75 29.96 29.88 29.78 10 9 2 17 9 24 0.17 Rain
23 55 45 34 56 49 25 100 91 65 30.22 30.00 29.92 10 4 0 18 3 30 0.66 Fog , Rain
24 36 28 21 28 20 9 93 67 52 30.43 30.25 30.18 10 9 0 23 9 30 0.00 Fog , Snow
25 26 21 16 15 9 5 74 58 46 30.56 30.48 30.39 10 10 10 13 6 - 0.00  
26 35 28 21 25 21 15 93 81 66 30.38 30.28 30.22 10 7 0 7 4 - 0.07 Fog , Snow
27 44 30 15 24 19 12 93 71 38 30.40 30.35 30.30 10 8 2 12 3 - 0.00  
28 55 40 24 29 24 20 88 62 31 30.30 30.20 30.10 10 8 2 15 2 22 0.00  
29 41 38 35 40 36 26 100 91 62 30.09 29.72 29.52 10 6 1 14 5 - 0.81 Rain
30 42 33 24 37 25 12 97 69 52 30.19 30.02 29.79 10 10 6 21 7 26 0.00  
31 35 28 21 22 14 11 72 58 44 30.32 30.18 30.08 10 10 9 28 6 37 0.00