Weather History for Lancaster, PA

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 72 °F 54 °F
Mean Temperature 78 °F 61 °F 44 °F
Min Temperature 64 °F 50 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 20 6 0 194
Cooling Degree Days (base 65) 12 2 0 58
Growing Degree Days (base 50) 28 11 0 342
Dew Point  
Dew Point 70 °F 49 °F 23 °F
Precipitation  
Precipitation 0.73 in 0.06 in 0.00 in 2.01 in
Snowdepth - - - -
Wind  
Wind 23 mph 6 mph 0 mph
Gust Wind 34 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 30.07 in 29.71 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 02, 2013 Rise Set
Actual Time 6:03 AM EDT 8:01 PM EDT
Civil Twilight 5:33 AM EDT 8:30 PM EDT
Nautical Twilight 4:58 AM EDT 9:07 PM EDT
Astronomical Twilight 4:19 AM EDT 9:46 PM EDT
Moon 1:49 AM EDT (5/2) 12:48 PM EDT (5/2)
Length of Visible Light 14h 57m
Length of Day
13h 57m
Waning Gibbous, 48% of the Moon is Illuminated
May 2
Waning Gibbous
May 9
New
May 18
First Quarter
May 25
Full
May 31
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.01 Average Month Total: 4.22
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
69 | 41 0.00
Average:
71 | 45 0.11
Clear
Actual:
70 | 42 0.00
Average:
69 | 47 0.11
Clear
Actual:
66 | 42 0.00
Average:
69 | 46 0.16
Clear
Actual:
69 | 41 0.00
Average:
69 | 46 0.17
Scattered Clouds
Actual:
64 | 39 0.00
Average:
68 | 45 0.26
Partly Cloudy
Actual:
66 | 39 0.00
Average:
71 | 48 0.19
Rain
Actual:
72 | 51 0.10
Average:
72 | 46 0.03
Rain
Actual:
71 | 53 0.06
Average:
70 | 46 0.12
Rain
Actual:
69 | 53 0.02
Average:
72 | 47 0.08
Thunderstorm
Actual:
80 | 50 0.20
Average:
71 | 48 0.19
Rain
Actual:
75 | 60 0.28
Average:
73 | 48 0.08
Partly Cloudy
Actual:
59 | 44 0.00
Average:
73 | 50 0.12
Rain
Actual:
54 | 37 0.00
Average:
75 | 50 0.15
Rain
Actual:
59 | 32 0.04
Average:
74 | 49 0.08
Rain
Actual:
72 | 48 0.04
Average:
74 | 49 0.19
Rain
Actual:
81 | 55 0.06
Average:
72 | 50 0.14
Scattered Clouds
Actual:
75 | 51 0.00
Average:
73 | 50 0.10
Rain
Actual:
68 | 54 0.09
Average:
75 | 50 0.10
Rain
Actual:
64 | 57 0.02
Average:
74 | 52 0.20
Fog
Actual:
80 | 60 0.01
Average:
76 | 52 0.17
Fog
Actual:
84 | 60 0.00
Average:
76 | 53 0.18
Fog
Actual:
89 | 63 0.00
Average:
75 | 51 0.12
Rain
Actual:
75 | 62 0.73
Average:
76 | 52 0.21
Rain
Actual:
62 | 46 0.08
Average:
76 | 53 0.17
Scattered Clouds
Actual:
64 | 45 0.00
Average:
77 | 54 0.03
Clear
Actual:
71 | 45 0.00
Average:
76 | 54 0.22
Clear
Actual:
72 | 42 0.00
Average:
75 | 53 0.06
Rain
Actual:
66 | 54 0.28
Average:
76 | 53 0.08
Fog
Actual:
88 | 57 0.00
Average:
78 | 54 0.25
Clear
Actual:
91 | 62 0.00
Average:
78 | 55 0.09
Clear
Actual:
91 | 64 0.00
Average:
78 | 57 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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 69 54 41 42 35 31 76 49 28 30.45 30.40 30.32 10 10 10 13 6 20 0.00  
2 70 56 42 46 42 37 89 62 37 30.46 30.40 30.32 10 10 10 10 2 - 0.00  
3 66 54 42 42 40 36 89 60 38 30.41 30.36 30.32 10 10 8 13 5 18 0.00  
4 69 55 41 46 40 37 89 60 36 30.35 30.26 30.19 10 10 6 13 4 21 0.00  
5 64 52 39 41 38 35 87 64 41 30.28 30.23 30.16 10 9 7 13 4 16 0.00  
6 66 52 39 52 45 37 93 79 60 30.23 30.18 30.10 10 8 1 13 5 - 0.00  
7 72 60 51 59 53 48 94 81 61 30.12 30.07 30.01 10 9 2 18 9 26 0.10 Rain
8 71 62 53 61 56 48 97 82 51 30.02 29.98 29.90 10 8 4 13 7 16 0.06 Rain
9 69 60 53 57 54 50 93 82 66 29.98 29.95 29.92 9 4 2 12 3 - 0.02 Rain
10 80 65 50 63 56 48 100 82 42 30.01 29.97 29.87 10 4 0 16 4 24 0.20 Fog , Rain , Thunderstorm
11 75 66 60 62 60 53 100 88 66 29.90 29.80 29.72 10 6 2 12 6 23 0.28 Rain
12 59 52 44 52 37 27 81 54 33 30.00 29.83 29.74 10 10 8 23 11 32 0.00  
13 54 46 37 34 28 23 76 52 32 30.16 30.07 30.00 10 10 10 16 7 24 0.00 Rain
14 59 44 32 46 31 25 86 55 29 30.20 30.13 30.04 10 10 8 13 6 17 0.04 Rain
15 72 60 48 58 51 44 90 75 59 30.06 29.86 29.71 10 9 5 8 4 - 0.04 Rain
16 81 67 55 64 56 48 94 77 38 29.89 29.80 29.74 10 5 1 13 3 20 0.06 Rain
17 75 63 51 47 42 36 63 45 30 30.17 30.07 29.91 10 10 10 12 7 - 0.00  
18 68 60 54 56 52 45 94 74 54 30.26 30.23 30.18 10 9 2 10 6 - 0.09 Rain
19 64 60 57 60 58 55 100 93 84 30.25 30.20 30.14 10 5 1 10 7 - 0.02 Rain
20 80 70 60 66 63 59 100 84 62 30.15 30.06 29.98 10 5 0 7 4 - 0.01 Fog
21 84 72 60 70 65 59 100 83 62 29.99 29.94 29.86 10 5 0 13 2 17 0.00 Fog
22 89 76 63 70 65 61 100 80 42 29.91 29.87 29.81 10 5 0 17 3 22 0.00 Fog
23 75 69 62 67 64 60 93 83 71 29.88 29.83 29.74 10 7 1 22 6 28 0.73 Rain
24 62 54 46 61 47 35 96 76 57 30.10 29.90 29.72 10 9 4 21 10 30 0.08 Rain
25 64 54 45 34 32 29 63 46 30 30.12 30.07 30.04 10 10 10 22 16 34 0.00  
26 71 58 45 36 33 31 65 42 25 30.22 30.13 30.09 10 10 10 22 11 30 0.00  
27 72 56 42 44 37 33 80 49 25 30.28 30.23 30.17 10 10 10 12 3 - 0.00  
28 66 59 54 61 57 43 94 87 59 30.21 30.14 30.09 10 5 2 7 3 - 0.28 Rain
29 88 72 57 66 61 57 100 77 41 30.10 30.07 30.04 10 4 0 16 4 23 0.00 Fog
30 91 76 62 65 63 60 94 70 38 30.17 30.13 30.09 10 6 1 10 2 17 0.00  
31 91 78 64 66 63 58 94 65 34 30.15 30.09 30.01 10 7 1 15 3 21 0.00