Weather History for Lancaster, PA

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Month of April, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 63 °F 45 °F
Mean Temperature 70 °F 51 °F 40 °F
Min Temperature 54 °F 40 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 24 14 0 421
Cooling Degree Days (base 65) 6 0 0 7
Growing Degree Days (base 50) 20 3 0 93
Dew Point  
Dew Point 60 °F 35 °F 13 °F
Precipitation  
Precipitation 1.07 in 0.06 in 0.00 in 1.82 in
Snowdepth - - - -
Wind  
Wind 28 mph 7 mph 0 mph
Gust Wind 39 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 29.92 in 29.25 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 12, 2012 Rise Set
Actual Time 6:31 AM EDT 7:41 PM EDT
Civil Twilight 6:03 AM EDT 8:09 PM EDT
Nautical Twilight 5:29 AM EDT 8:42 PM EDT
Astronomical Twilight 4:54 AM EDT 9:17 PM EDT
Moon 1:27 AM EDT (4/12) 11:23 AM EDT (4/12)
Length of Visible Light 14h 06m
Length of Day
13h 10m
Waning Gibbous, 59% of the Moon is Illuminated
Apr 12
Waning Gibbous
Apr 13
Last Quarter
Apr 21
New
Apr 29
First Quarter
May 5
Full

Weather History Calendar

Precipitation Actual month total 1.82 Average Month Total: 3.19
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
59 | 42 0.07
Average:
56 | 37 0.22
Rain
Actual:
57 | 41 0.04
Average:
57 | 37 0.05
Clear
Actual:
64 | 34 0.00
Average:
58 | 37 0.10
Scattered Clouds
Actual:
70 | 50 0.00
Average:
59 | 39 0.16
Clear
Actual:
57 | 37 0.00
Average:
61 | 39 0.10
Clear
Actual:
57 | 30 0.00
Average:
58 | 39 0.16
Clear
Actual:
62 | 34 0.00
Average:
58 | 37 0.07
Scattered Clouds
Actual:
69 | 35 0.00
Average:
60 | 39 0.08
Scattered Clouds
Actual:
63 | 41 0.00
Average:
60 | 38 0.15
Scattered Clouds
Actual:
59 | 39 0.00
Average:
59 | 37 0.18
Rain
Actual:
52 | 33 0.01
Average:
59 | 36 0.05
Partly Cloudy
Actual:
59 | 37 0.00
Average:
60 | 35 0.04
Clear
Actual:
62 | 34 0.00
Average:
60 | 36 0.03
Scattered Clouds
Actual:
71 | 33 0.00
Average:
61 | 36 0.06
Rain
Actual:
78 | 54 0.09
Average:
59 | 41 0.25
Clear
Actual:
88 | 54 0.00
Average:
59 | 43 0.27
Clear
Actual:
73 | 54 0.00
Average:
66 | 41 0.12
Rain
Actual:
57 | 48 0.08
Average:
64 | 42 0.09
Rain
Actual:
69 | 48 0.01
Average:
61 | 40 0.08
Fog
Actual:
72 | 43 0.00
Average:
64 | 42 0.01
Thunderstorm
Actual:
77 | 50 0.29
Average:
63 | 45 0.14
Rain
Actual:
51 | 44 1.07
Average:
64 | 40 0.06
Rain
Actual:
45 | 39 0.16
Average:
62 | 40 0.04
Partly Cloudy
Actual:
59 | 37 0.00
Average:
64 | 43 0.10
Scattered Clouds
Actual:
64 | 36 0.00
Average:
65 | 42 0.10
Rain
Actual:
60 | 39 0.00
Average:
68 | 41 0.14
Partly Cloudy
Actual:
55 | 42 0.00
Average:
68 | 43 0.09
Rain
Actual:
50 | 33 0.00
Average:
68 | 44 0.11
Clear
Actual:
64 | 35 0.00
Average:
68 | 43 0.11
Partly Cloudy
Actual:
59 | 36 0.00
Average:
70 | 45 0.03
 

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
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 59 50 42 47 41 37 89 81 57 29.91 29.82 29.59 8 5 2 10 3 - 0.07 Rain
2 57 49 41 47 33 18 93 60 25 29.94 29.76 29.59 10 8 2 18 9 30 0.04 Rain
3 64 49 34 32 24 17 59 38 23 30.01 29.92 29.80 10 10 4 14 8 20 0.00  
4 70 60 50 39 33 25 66 40 22 29.78 29.67 29.54 10 10 10 20 7 30 0.00  
5 57 47 37 31 28 25 62 46 36 29.95 29.85 29.79 10 10 10 13 6 - 0.00  
6 57 44 30 26 21 13 72 42 22 30.10 30.02 29.96 10 10 10 18 10 25 0.00  
7 62 48 34 22 19 15 56 31 20 30.19 30.10 30.02 10 10 10 21 10 28 0.00  
8 69 50 35 36 26 15 61 37 20 30.08 29.91 29.75 10 10 10 23 10 38 0.00  
9 63 52 41 35 27 21 59 38 25 29.84 29.78 29.71 10 10 10 28 15 39 0.00  
10 59 49 39 36 30 25 79 53 29 29.85 29.77 29.72 10 10 10 22 10 30 0.00  
11 52 40 33 36 31 27 79 66 44 30.00 29.91 29.85 10 10 8 23 9 29 0.01 Rain
12 59 47 37 35 31 27 79 53 35 30.17 30.08 30.01 10 10 10 17 10 28 0.00  
13 62 48 34 32 29 27 75 48 31 30.27 30.21 30.17 10 10 10 14 6 17 0.00  
14 71 52 33 43 34 29 85 48 24 30.24 30.14 30.04 10 10 8 16 3 21 0.00  
15 78 66 54 56 53 48 97 68 45 30.07 30.02 29.98 10 9 4 17 4 20 0.09 Rain
16 88 70 54 60 55 50 90 61 32 30.04 29.96 29.90 10 9 4 13 4 22 0.00  
17 73 64 54 55 40 30 72 43 24 30.20 30.13 29.94 10 10 9 15 7 20 0.00  
18 57 52 48 47 38 30 93 60 42 30.29 30.21 30.13 10 8 3 14 7 - 0.08 Rain
19 69 58 48 49 47 40 100 79 37 30.14 30.09 30.00 10 4 1 8 1 - 0.01 Rain
20 72 57 43 51 48 42 100 76 49 30.03 29.95 29.83 10 6 0 15 5 18 0.00 Fog
21 77 62 50 58 54 48 97 81 52 29.81 29.74 29.62 10 6 1 22 6 32 0.29 Rain , Thunderstorm
22 51 48 44 47 43 39 90 84 76 29.80 29.66 29.38 10 7 2 20 8 26 1.07 Rain
23 45 42 39 39 37 33 93 83 71 29.45 29.32 29.25 10 8 2 20 13 25 0.16 Rain
24 59 47 37 33 29 25 79 51 30 29.73 29.55 29.43 10 10 10 18 12 30 0.00  
25 64 50 36 36 32 27 86 55 26 29.89 29.81 29.74 10 10 8 14 4 20 0.00  
26 60 50 39 55 49 33 94 85 61 29.90 29.70 29.60 10 5 1 16 5 24 0.00 Rain
27 55 48 42 45 31 27 72 51 37 30.17 29.97 29.72 10 10 10 21 12 30 0.00  
28 50 40 33 34 27 24 75 54 39 30.30 30.22 30.15 10 10 10 8 4 - 0.00 Rain
29 64 50 35 35 29 22 89 48 22 30.26 30.19 30.12 10 10 6 15 5 22 0.00  
30 59 46 36 45 32 23 74 51 34 30.34 30.26 30.14 10 10 10 13 5 17 0.00