Weather History for Williamsport, PA

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Month of December, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 55 °F 41 °F 30 °F
Mean Temperature 49 °F 36 °F 22 °F
Min Temperature 45 °F 30 °F 14 °F
Degree Days  
Heating Degree Days (base 65) 43 29 16 903
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 49 °F 27 °F 3 °F
Precipitation  
Precipitation 0.79 in 0.10 in 0.00 in 2.60 in
Snowdepth 3.0 in 0.2 in 0.0 in -
Wind  
Wind 25 mph 6 mph 0 mph
Gust Wind 33 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.66 in 30.14 in 29.42 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 21, 2014 Rise Set
Actual Time 7:29 AM EST 4:41 PM EST
Civil Twilight 6:58 AM EST 5:13 PM EST
Nautical Twilight 6:23 AM EST 5:47 PM EST
Astronomical Twilight 5:50 AM EST 6:21 PM EST
Moon 6:43 AM EST (12/21) 4:46 PM EST (12/21)
Length of Visible Light 10h 14m
Length of Day
9h 11m
Waning Crescent, 0% of the Moon is Illuminated
Dec 21
Waning Crescent
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.60 Normal Month Total: 2.93
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
51 | 34 T
Average:
43 | 29 0.12
Snow
Actual:
34 | 24 0.49
Average:
43 | 29 0.11
Rain
Actual:
42 | 34 0.03
Average:
42 | 28 0.12
Scattered Clouds
Actual:
38 | 24 0.00
Average:
42 | 28 0.12
Rain
Actual:
37 | 23 0.32
Average:
41 | 28 0.11
Rain
Actual:
41 | 36 0.79
Average:
41 | 27 0.11
Scattered Clouds
Actual:
41 | 25 0.00
Average:
41 | 27 0.11
Snow
Actual:
33 | 22 T
Average:
40 | 27 0.11
Rain
Actual:
44 | 31 0.05
Average:
40 | 26 0.12
Snow
Actual:
41 | 29 0.06
Average:
40 | 26 0.11
Snow
Actual:
34 | 28 0.21
Average:
39 | 26 0.11
Mostly Cloudy
Actual:
36 | 31 0.00
Average:
39 | 25 0.11
Overcast
Actual:
37 | 31 0.00
Average:
39 | 25 0.09
Overcast
Actual:
45 | 35 0.00
Average:
38 | 25 0.09
Overcast
Actual:
41 | 38 0.00
Average:
38 | 24 0.09
Rain
Actual:
44 | 39 0.09
Average:
38 | 24 0.09
Rain
Actual:
47 | 34 T
Average:
37 | 24 0.08
Overcast
Actual:
37 | 33 0.00
Average:
37 | 24 0.08
Overcast
Actual:
38 | 31 0.00
Average:
37 | 23 0.08
Overcast
Actual:
34 | 30 0.00
Average:
37 | 23 0.08
Partly Cloudy
Actual:
36 | 22 0.00
Average:
36 | 23 0.09
Rain
Actual:
36 | 19 0.11
Average:
36 | 22 0.08
Rain
Actual:
47 | 33 0.12
Average:
36 | 22 0.09
Rain
Actual:
53 | 45 0.24
Average:
36 | 22 0.08
Rain
Actual:
55 | 40 0.07
Average:
36 | 22 0.09
Clear
Actual:
49 | 27 0.00
Average:
36 | 21 0.08
Scattered Clouds
Actual:
51 | 28 0.00
Average:
35 | 21 0.08
Rain
Actual:
50 | 36 0.02
Average:
35 | 21 0.08
Partly Cloudy
Actual:
42 | 27 0.00
Average:
35 | 21 0.07
Snow
Actual:
37 | 27 T
Average:
35 | 21 0.08
Partly Cloudy
Actual:
30 | 14 T
Average:
35 | 20 0.07
 

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

2014 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 51 43 34 40 32 18 92 66 40 30.55 30.24 30.06 10 10 9 16 7 22 T  
2 34 29 24 31 25 14 89 70 51 30.63 30.43 30.24 10 6 2 15 6 25 0.49 Rain , Snow
3 42 38 34 36 32 21 100 76 52 30.26 30.11 30.00 10 7 2 20 6 31 0.03 Rain
4 38 31 24 25 23 21 88 70 52 30.51 30.41 30.27 10 10 10 13 5 17 0.00  
5 37 30 23 34 27 20 92 78 64 30.53 30.45 30.31 10 9 4 15 5 19 0.32 Rain
6 41 39 36 37 34 25 92 78 64 30.39 30.21 30.12 10 6 2 21 5 27 0.79 Rain
7 41 33 25 24 16 11 61 46 30 30.66 30.57 30.42 10 10 10 22 6 29 0.00  
8 33 28 22 25 18 9 77 60 42 30.64 30.53 30.31 10 10 9 16 5 26 T Snow
9 44 38 31 35 31 27 92 79 65 30.29 30.08 29.91 10 8 4 20 7 28 0.05 Rain
10 41 35 29 30 26 21 85 70 54 29.91 29.82 29.76 10 7 1 22 14 33 0.06 Snow
11 34 31 28 27 25 22 92 78 64 29.93 29.78 29.71 10 5 1 17 5 24 0.21 Snow
12 36 34 31 28 24 20 85 72 59 30.09 30.03 29.93 10 10 10 17 9 22 0.00  
13 37 34 31 29 26 23 75 71 66 30.11 30.05 29.99 10 10 9 16 9 22 0.00  
14 45 40 35 36 32 28 85 75 65 30.05 29.98 29.94 10 10 8 14 6 18 0.00  
15 41 40 38 33 32 32 85 78 70 30.13 30.08 30.05 10 10 10 12 5 15 0.00  
16 44 42 39 40 37 32 93 83 73 30.05 29.91 29.85 10 6 2 17 6 24 0.09 Rain
17 47 41 34 39 35 22 93 76 59 29.99 29.90 29.85 10 6 1 22 8 32 T Rain
18 37 35 33 27 23 20 75 66 56 30.09 30.05 30.00 10 10 10 21 11 27 0.00  
19 38 35 31 27 22 18 75 62 48 30.25 30.12 30.03 10 10 10 16 10 22 0.00  
20 34 32 30 21 20 17 69 63 56 30.32 30.27 30.21 10 10 10 15 4 19 0.00  
21 36 29 22 22 20 18 81 67 52 30.36 30.32 30.28 10 10 9 9 4 10 0.00  
22 36 28 19 31 24 15 84 74 64 30.34 30.23 30.12 10 7 2 14 2 20 0.11 Rain
23 47 40 33 43 36 30 100 93 85 30.13 30.06 30.01 10 3 1 16 4 22 0.12 Rain
24 53 49 45 49 45 42 93 88 83 30.00 29.73 29.42 10 8 2 25 10 33 0.24 Rain
25 55 48 40 49 35 27 76 65 53 30.17 29.81 29.48 10 10 10 22 11 28 0.07 Rain
26 49 38 27 29 27 25 85 64 42 30.31 30.23 30.17 10 10 10 14 4 18 0.00  
27 51 40 28 35 30 25 85 69 52 30.30 30.18 29.98 10 10 8 12 2 16 0.00  
28 50 43 36 42 35 25 89 70 50 30.14 29.97 29.89 10 10 5 13 5 17 0.02 Rain
29 42 35 27 26 21 17 84 61 38 30.28 30.21 30.14 10 10 10 12 4 16 0.00  
30 37 32 27 21 12 7 69 51 32 30.45 30.37 30.28 10 10 8 17 8 22 T Snow
31 30 22 14 13 7 3 73 55 36 30.39 30.31 30.15 10 10 10 23 8 30 T