Weather History for Lancaster, PA

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Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 63 °F 42 °F 26 °F
Mean Temperature 48 °F 34 °F 20 °F
Min Temperature 42 °F 26 °F 12 °F
Degree Days  
Heating Degree Days (base 65) 45 31 17 952
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 54 °F 24 °F -4 °F
Precipitation  
Precipitation 0.43 in 0.06 in 0.00 in 1.85 in
Snowdepth - - - -
Wind  
Wind 30 mph 7 mph 0 mph
Gust Wind 47 mph 25 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 30.04 in 29.27 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 30, 2012 Rise Set
Actual Time 7:16 AM EST 5:21 PM EST
Civil Twilight 6:47 AM EST 5:49 PM EST
Nautical Twilight 6:14 AM EST 6:22 PM EST
Astronomical Twilight 5:42 AM EST 6:54 PM EST
Moon 10:37 AM EST (1/30) 12:03 AM EST (1/30)
Length of Visible Light 11h 02m
Length of Day
10h 04m
Waxing Crescent, 46% of the Moon is Illuminated
Jan 30
Waxing Crescent
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter
Feb 21
New

Weather History Calendar

Precipitation Actual month total 1.85 Average Month Total: 2.72
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
52 | 30 0.03
Average:
40 | 23 0.03
Partly Cloudy
Actual:
42 | 28 0.00
Average:
40 | 25 0.13
Scattered Clouds
Actual:
28 | 16 0.00
Average:
39 | 23 0.02
Scattered Clouds
Actual:
28 | 12 0.00
Average:
41 | 24 0.10
Partly Cloudy
Actual:
39 | 23 0.00
Average:
40 | 23 0.04
Clear
Actual:
57 | 25 0.00
Average:
42 | 23 0.04
Clear
Actual:
62 | 27 0.00
Average:
42 | 26 0.06
Clear
Actual:
45 | 28 0.00
Average:
40 | 25 0.15
Partly Cloudy
Actual:
37 | 25 0.00
Average:
36 | 21 0.08
Partly Cloudy
Actual:
46 | 28 0.00
Average:
36 | 21 0.06
Rain
Actual:
46 | 24 0.26
Average:
36 | 20 0.09
Rain
Actual:
48 | 42 0.43
Average:
35 | 18 0.06
Snow
Actual:
50 | 26 0.07
Average:
36 | 19 0.05
Partly Cloudy
Actual:
32 | 24 0.00
Average:
38 | 19 0.05
Scattered Clouds
Actual:
26 | 16 0.00
Average:
37 | 22 0.09
Rain
Actual:
36 | 14 0.01
Average:
38 | 20 0.06
Rain
Actual:
52 | 35 0.22
Average:
38 | 18 0.01
Snow
Actual:
48 | 24 0.00
Average:
37 | 21 0.12
Scattered Clouds
Actual:
33 | 18 0.00
Average:
37 | 21 0.13
Partly Cloudy
Actual:
32 | 21 0.00
Average:
36 | 21 0.24
Snow
Actual:
30 | 21 0.21
Average:
35 | 20 0.04
Overcast
Actual:
28 | 19 0.00
Average:
36 | 18 0.11
Rain
Actual:
39 | 28 0.14
Average:
37 | 20 0.14
Fog
Actual:
48 | 35 0.00
Average:
41 | 22 0.11
Partly Cloudy
Actual:
42 | 33 0.00
Average:
41 | 22 0.30
Rain
Actual:
41 | 33 0.25
Average:
39 | 22 0.13
Rain
Actual:
55 | 39 0.23
Average:
35 | 19 0.01
Scattered Clouds
Actual:
46 | 32 0.00
Average:
38 | 17 0.05
Snow
Actual:
44 | 27 0.00
Average:
37 | 19 0.08
Scattered Clouds
Actual:
39 | 28 0.00
Average:
38 | 20 0.12
Scattered Clouds
Actual:
63 | 30 0.00
Average:
39 | 22 0.02
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 52 41 30 44 35 30 100 83 59 30.11 29.98 29.72 10 6 0 23 4 29 0.03 Fog , Rain
2 42 35 28 28 19 13 72 56 42 29.89 29.84 29.79 10 10 10 28 15 36 0.00  
3 28 23 16 17 6 -4 69 46 26 30.22 30.03 29.88 10 10 10 24 12 38 0.00  
4 28 20 12 13 6 -2 62 53 47 30.29 30.15 29.99 10 10 10 10 7 - 0.00  
5 39 31 23 23 20 13 81 65 49 29.99 29.96 29.92 10 9 6 14 3 - 0.00  
6 57 41 25 29 26 21 85 65 32 29.94 29.86 29.78 10 8 5 13 2 - 0.00  
7 62 44 27 38 29 22 89 65 41 30.05 29.85 29.75 10 8 5 21 3 26 0.00  
8 45 38 28 28 24 19 79 61 44 30.35 30.24 30.07 10 10 10 15 7 21 0.00  
9 37 31 25 27 22 20 85 68 48 30.34 30.21 30.01 10 10 8 7 2 - 0.00  
10 46 37 28 30 28 24 93 78 50 30.06 29.99 29.95 10 6 2 14 5 24 0.00  
11 46 35 24 39 31 22 96 82 56 30.06 29.94 29.63 10 6 3 18 5 29 0.26 Rain
12 48 45 42 46 44 39 100 92 86 29.57 29.47 29.38 10 6 1 22 12 30 0.43 Rain
13 50 38 26 45 24 10 87 68 45 29.91 29.55 29.27 10 9 5 29 18 47 0.07 Rain , Snow
14 32 28 24 16 14 13 71 58 48 30.13 30.03 29.91 10 10 10 18 13 21 0.00  
15 26 21 16 15 6 1 69 53 35 30.59 30.41 30.14 10 10 10 14 8 22 0.00  
16 36 25 14 29 15 7 84 65 44 30.59 30.45 30.14 10 9 5 14 4 23 0.01 Rain
17 52 44 35 44 38 30 97 85 69 30.11 29.85 29.61 10 7 2 14 5 - 0.22 Rain
18 48 36 24 37 19 11 72 55 39 30.19 30.01 29.68 10 10 6 29 18 40 0.00 Snow
19 33 26 18 22 15 11 78 62 45 30.23 30.09 29.94 10 10 10 13 6 - 0.00  
20 32 26 21 23 11 4 75 52 36 30.30 30.19 29.96 10 10 10 18 6 - 0.00  
21 30 26 21 23 21 16 93 83 64 30.34 30.09 29.98 10 5 0 14 9 18 0.21 Fog , Snow
22 28 24 19 25 16 10 85 70 63 30.51 30.44 30.34 10 10 7 13 5 - 0.00  
23 39 34 28 39 35 25 100 95 85 30.36 30.04 29.89 5 2 0 16 4 23 0.14 Fog , Rain
24 48 42 35 39 34 28 100 84 59 30.21 30.06 29.91 10 6 0 10 3 - 0.00 Fog
25 42 38 33 30 27 25 85 68 55 30.37 30.29 30.22 10 9 6 15 8 20 0.00  
26 41 37 33 41 35 31 100 91 82 30.23 30.04 29.75 5 3 0 12 6 - 0.25 Fog , Rain
27 55 48 39 54 44 26 100 86 55 29.95 29.59 29.43 10 5 0 26 8 37 0.23 Fog , Rain
28 46 39 32 30 25 17 75 57 43 30.13 30.01 29.91 10 10 10 22 8 33 0.00  
29 44 36 27 31 18 14 89 53 30 30.24 30.14 30.04 10 9 1 30 9 43 0.00 Snow
30 39 34 28 26 17 13 75 53 34 30.36 30.26 30.12 10 10 10 18 10 23 0.00  
31 63 46 30 30 26 20 75 50 28 30.20 30.12 30.02 10 10 10 14 4 21 0.00