Weather History for Williamsport, PA

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 77 °F 61 °F
Mean Temperature 79 °F 66 °F 54 °F
Min Temperature 67 °F 55 °F 38 °F
Degree Days  
Heating Degree Days (base 65) 11 2 0 67
Cooling Degree Days (base 65) 14 3 0 103
Growing Degree Days (base 50) 28 16 4 495
Dew Point  
Dew Point 73 °F 54 °F 28 °F
Precipitation  
Precipitation 0.86 in 0.16 in 0.00 in 4.04 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 5 mph 0 mph
Gust Wind 38 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 29.99 in 29.60 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 17, 2012 Rise Set
Actual Time 5:46 AM EDT 8:21 PM EDT
Civil Twilight 5:15 AM EDT 8:53 PM EDT
Nautical Twilight 4:35 AM EDT 9:33 PM EDT
Astronomical Twilight 3:51 AM EDT 10:18 PM EDT
Moon 3:45 AM EDT (5/17) 5:30 PM EDT (5/17)
Length of Visible Light 15h 38m
Length of Day
14h 34m
Waning Crescent, 10% of the Moon is Illuminated
May 17
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

Weather History Calendar

Precipitation Actual month total 4.04 Normal Month Total: 3.66
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
78 | 51 0.21
Average:
67 | 43 0.11
Thunderstorm
Actual:
64 | 53 0.39
Average:
67 | 44 0.11
Thunderstorm
Actual:
79 | 55 0.02
Average:
68 | 44 0.10
Thunderstorm
Actual:
86 | 59 0.15
Average:
68 | 44 0.12
Fog
Actual:
77 | 56 0.00
Average:
68 | 45 0.11
Partly Cloudy
Actual:
75 | 50 0.00
Average:
69 | 45 0.12
Rain
Actual:
61 | 55 0.24
Average:
69 | 45 0.11
Rain
Actual:
63 | 53 0.57
Average:
69 | 45 0.12
Partly Cloudy
Actual:
73 | 55 T
Average:
70 | 46 0.11
Rain
Actual:
62 | 46 T
Average:
70 | 46 0.12
Scattered Clouds
Actual:
72 | 38 0.00
Average:
70 | 46 0.12
Clear
Actual:
81 | 40 0.00
Average:
70 | 47 0.11
Rain
Actual:
75 | 52 0.01
Average:
71 | 47 0.12
Rain
Actual:
63 | 56 0.74
Average:
71 | 47 0.12
Rain
Actual:
74 | 60 0.86
Average:
71 | 47 0.11
Rain
Actual:
83 | 52 0.02
Average:
72 | 48 0.12
Clear
Actual:
72 | 44 0.00
Average:
72 | 48 0.12
Clear
Actual:
77 | 42 0.00
Average:
72 | 48 0.12
Clear
Actual:
86 | 46 0.00
Average:
72 | 49 0.12
Clear
Actual:
85 | 52 0.00
Average:
73 | 49 0.13
Rain
Actual:
74 | 54 0.03
Average:
73 | 49 0.12
Mostly Cloudy
Actual:
79 | 62 T
Average:
73 | 50 0.12
Rain
Actual:
78 | 62 T
Average:
74 | 50 0.13
Rain
Actual:
80 | 64 T
Average:
74 | 50 0.13
Partly Cloudy
Actual:
83 | 67 T
Average:
74 | 51 0.12
Thunderstorm
Actual:
87 | 65 0.02
Average:
74 | 51 0.12
Thunderstorm
Actual:
85 | 63 0.15
Average:
75 | 52 0.12
Partly Cloudy
Actual:
89 | 64 0.00
Average:
75 | 52 0.11
Thunderstorm
Actual:
90 | 67 0.62
Average:
75 | 52 0.12
Rain
Actual:
83 | 60 0.01
Average:
75 | 53 0.13
Scattered Clouds
Actual:
76 | 54 0.00
Average:
76 | 53 0.12
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 65 51 59 50 41 93 67 40 30.05 29.99 29.95 10 7 2 16 4 23 0.21 Rain , Thunderstorm
2 64 59 53 57 55 52 93 86 78 30.15 30.05 30.00 10 5 2 14 5 23 0.39 Rain , Thunderstorm
3 79 67 55 64 57 51 100 85 69 30.11 30.05 29.92 10 4 0 20 4 33 0.02 Fog , Rain , Thunderstorm
4 86 73 59 64 61 56 100 70 40 29.99 29.94 29.83 10 4 0 18 5 25 0.15 Fog , Rain , Thunderstorm
5 77 67 56 63 57 44 100 71 41 30.04 29.94 29.90 10 5 0 13 5 16 0.00 Fog
6 75 63 50 57 51 45 89 66 43 30.08 30.03 29.98 10 10 8 12 3 16 0.00  
7 61 58 55 55 53 50 93 84 75 30.06 30.03 29.96 10 6 1 18 8 29 0.24 Rain
8 63 58 53 59 55 46 97 82 67 29.96 29.83 29.76 10 6 2 15 5 24 0.57 Rain
9 73 64 55 59 53 41 97 66 34 29.78 29.73 29.65 10 6 1 18 8 26 T  
10 62 54 46 47 39 32 86 61 36 29.88 29.71 29.60 10 10 10 25 10 37 T Rain
11 72 55 38 43 34 28 92 56 20 30.15 30.03 29.91 10 10 10 22 7 30 0.00  
12 81 61 40 49 42 37 92 58 23 30.27 30.19 30.13 10 10 10 14 4 17 0.00  
13 75 64 52 55 49 44 87 60 33 30.20 30.15 30.10 10 10 8 10 3 13 0.01 Rain
14 63 60 56 61 58 54 93 89 84 30.13 30.07 30.02 10 4 1 14 4 20 0.74 Rain
15 74 67 60 63 60 59 97 83 68 30.03 29.96 29.89 10 6 2 10 3 16 0.86 Rain
16 83 68 52 61 57 42 100 63 26 30.02 29.89 29.77 10 6 0 30 5 38 0.02 Fog , Rain
17 72 58 44 44 39 35 86 57 27 30.16 30.11 30.05 10 10 10 10 5 14 0.00  
18 77 60 42 47 41 33 89 55 21 30.24 30.17 30.10 10 10 10 8 1 16 0.00  
19 86 66 46 55 48 44 93 59 25 30.20 30.14 30.08 10 10 10 13 2 18 0.00  
20 85 69 52 56 51 42 89 61 32 30.23 30.17 30.11 10 10 10 13 4 18 0.00  
21 74 64 54 63 56 48 84 72 60 30.15 30.06 29.95 10 9 2 13 4 18 0.03 Rain
22 79 71 62 63 61 59 93 74 54 29.95 29.87 29.79 10 10 9 13 3 15 T  
23 78 70 62 65 62 60 93 75 56 29.98 29.90 29.86 10 9 0 13 4 16 T Fog , Rain
24 80 72 64 64 62 59 93 72 51 30.10 30.04 29.98 10 8 5 18 8 22 T Rain
25 83 75 67 66 63 61 81 66 51 30.13 30.08 30.04 10 9 7 18 8 24 T  
26 87 76 65 73 66 63 93 74 55 30.14 30.11 30.07 9 5 2 25 2 32 0.02 Rain , Thunderstorm
27 85 74 63 70 65 59 100 77 54 30.15 30.08 29.98 10 6 2 22 4 28 0.15 Rain , Thunderstorm
28 89 77 64 73 66 62 93 75 56 30.04 29.97 29.87 9 6 4 12 4 16 0.00  
29 90 79 67 71 67 64 100 77 53 29.86 29.78 29.67 10 6 1 30 3 38 0.62 Rain , Thunderstorm
30 83 72 60 66 60 47 93 63 33 29.80 29.76 29.69 10 7 3 17 5 22 0.01 Rain
31 76 65 54 52 50 47 86 61 36 29.95 29.86 29.78 10 10 10 12 4 18 0.00