Weather History for Somerville, NJ

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Month of December, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 64 °F 45 °F 33 °F
Mean Temperature 52 °F 38 °F 24 °F
Min Temperature 46 °F 32 °F 15 °F
Degree Days  
Heating Degree Days (base 65) 41 27 12 822
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 60 °F 29 °F -2 °F
Precipitation  
Precipitation 1.17 in 0.14 in 0.00 in 4.25 in
Snowdepth - - - -
Wind  
Wind 20 mph 5 mph 0 mph
Gust Wind 30 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.68 in 30.12 in 29.50 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 01, 2014 Rise Set
Actual Time 7:03 AM EST 4:32 PM EST
Civil Twilight 6:32 AM EST 5:02 PM EST
Nautical Twilight 5:58 AM EST 5:36 PM EST
Astronomical Twilight 5:25 AM EST 6:09 PM EST
Moon 1:37 PM EST 1:35 AM EST
Length of Visible Light 10h 29m
Length of Day
9h 29m
Waxing Gibbous, 75% of the Moon is Illuminated
Dec 1
Waxing Gibbous
Dec 6
Full
Dec 14
Last Quarter
Dec 21
New
Dec 28
First Quarter

Weather History Calendar

Precipitation Actual month total 4.25 Average Month Total: 3.61
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
64 | 34 0.11
Average:
46 | 26 0.07
Rain
Actual:
42 | 34 0.20
Average:
45 | 25 0.16
Rain
Actual:
45 | 39 0.19
Average:
46 | 26 0.17
Clear
Actual:
45 | 28 0.00
Average:
45 | 25 0.20
Rain
Actual:
39 | 30 0.30
Average:
44 | 25 0.13
Rain
Actual:
46 | 39 1.12
Average:
42 | 26 0.11
Scattered Clouds
Actual:
46 | 28 0.00
Average:
46 | 26 0.10
Partly Cloudy
Actual:
34 | 23 0.00
Average:
44 | 26 0.06
Rain
Actual:
43 | 34 1.17
Average:
43 | 26 0.13
Snow
Actual:
42 | 32 0.00
Average:
43 | 26 0.12
Snow
Actual:
36 | 30 0.00
Average:
43 | 26 0.11
Mostly Cloudy
Actual:
37 | 33 0.00
Average:
41 | 25 0.13
Partly Cloudy
Actual:
42 | 35 0.00
Average:
42 | 25 0.09
Mostly Cloudy
Actual:
46 | 39 0.00
Average:
42 | 26 0.19
Partly Cloudy
Actual:
48 | 28 0.00
Average:
41 | 23 0.13
Rain
Actual:
51 | 28 0.13
Average:
42 | 25 0.14
Rain
Actual:
51 | 37 0.02
Average:
43 | 24 0.20
Mostly Cloudy
Actual:
42 | 34 0.00
Average:
40 | 23 0.07
Overcast
Actual:
39 | 32 0.00
Average:
37 | 20 0.08
Overcast
Actual:
33 | 30 0.00
Average:
37 | 21 0.05
Overcast
Actual:
37 | 30 0.00
Average:
39 | 22 0.17
Rain
Actual:
44 | 34 0.01
Average:
40 | 22 0.15
Rain
Actual:
46 | 44 0.12
Average:
38 | 22 0.10
Rain
Actual:
52 | 46 0.72
Average:
39 | 21 0.10
Rain
Actual:
63 | 41 0.05
Average:
39 | 20 0.16
Clear
Actual:
50 | 28 0.00
Average:
36 | 20 0.06
Clear
Actual:
57 | 27 0.00
Average:
36 | 19 0.09
Rain
Actual:
54 | 32 0.11
Average:
35 | 20 0.08
Clear
Actual:
44 | 25 0.00
Average:
40 | 23 0.12
Partly Cloudy
Actual:
36 | 19 0.00
Average:
39 | 22 0.04
Scattered Clouds
Actual:
33 | 15 0.00
Average:
37 | 19 0.10
 

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 64 49 34 48 36 24 92 72 53 30.47 30.20 30.08 10 9 6 13 3 25 0.11 Rain
2 42 38 34 39 30 17 93 74 48 30.61 30.46 30.27 10 7 2 12 7 - 0.20 Rain
3 45 42 39 42 38 25 97 87 57 30.25 30.14 29.98 10 6 1 10 3 16 0.19 Rain
4 45 36 28 26 23 19 82 60 38 30.51 30.38 30.23 10 10 9 12 5 16 0.00  
5 39 34 30 37 31 20 97 81 59 30.57 30.44 30.34 10 5 1 7 3 - 0.30 Rain
6 46 42 39 45 40 37 97 91 82 30.33 30.20 30.07 10 3 1 9 1 - 1.12 Rain
7 46 38 28 36 19 6 79 48 25 30.62 30.45 30.22 10 10 10 20 11 29 0.00  
8 34 28 23 26 13 -2 75 54 29 30.68 30.56 30.32 10 10 10 12 7 23 0.00  
9 43 38 34 39 35 27 89 82 75 30.28 29.89 29.71 10 7 2 17 9 28 1.17 Rain
10 42 37 32 34 28 22 85 74 60 29.70 29.65 29.62 10 7 1 16 10 26 0.00 Snow
11 36 33 30 29 26 21 82 75 61 29.89 29.77 29.65 10 8 2 10 7 21 0.00 Snow
12 37 35 33 26 23 20 75 62 53 30.01 29.98 29.89 10 10 10 17 8 24 0.00  
13 42 38 35 30 26 22 70 61 49 30.01 29.96 29.90 10 10 10 15 10 23 0.00  
14 46 42 39 31 30 28 70 62 54 29.98 29.92 29.88 10 10 10 16 7 24 0.00  
15 48 38 28 33 29 25 89 74 52 30.11 30.05 29.98 10 10 9 8 3 - 0.00  
16 51 40 28 43 38 25 93 85 66 30.10 29.96 29.83 10 5 1 8 2 - 0.13 Rain
17 51 45 37 43 38 24 93 78 53 29.92 29.84 29.80 10 6 1 12 2 22 0.02 Rain
18 42 38 34 26 24 21 62 55 47 30.03 29.98 29.91 10 10 10 14 8 26 0.00  
19 39 36 32 23 21 19 61 56 48 30.20 30.08 29.98 10 10 10 13 9 23 0.00  
20 33 32 30 23 20 19 72 62 56 30.31 30.26 30.19 10 10 10 10 5 16 0.00  
21 37 34 30 27 24 22 76 67 60 30.33 30.30 30.27 10 10 10 8 2 - 0.00  
22 44 39 34 41 33 27 89 81 72 30.34 30.26 30.12 10 7 3 7 2 - 0.01 Rain
23 46 45 44 45 43 42 93 90 86 30.13 30.08 30.05 10 4 2 10 4 - 0.12 Rain
24 52 49 46 50 47 44 96 92 87 30.05 29.77 29.51 10 3 1 9 3 - 0.72 Rain
25 63 52 41 60 37 28 93 62 43 30.14 29.80 29.50 10 10 4 13 7 30 0.05 Rain
26 50 39 28 30 28 25 88 70 44 30.27 30.22 30.14 10 10 8 8 1 - 0.00  
27 57 42 27 34 29 23 89 72 38 30.27 30.19 30.06 10 9 7 4 0 - 0.00  
28 54 43 32 43 37 29 93 81 58 30.07 29.94 29.88 10 7 2 9 1 - 0.11 Rain
29 44 34 25 28 22 17 85 59 34 30.26 30.18 30.09 10 10 10 7 3 - 0.00  
30 36 28 19 22 17 11 85 65 39 30.40 30.36 30.27 10 10 10 10 3 - 0.00  
31 33 24 15 16 10 6 85 61 34 30.37 30.30 30.19 10 10 9 12 2 22 0.00