Weather History for Portland, ME

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 34 °F 8 °F
Mean Temperature 47 °F 26 °F 4 °F
Min Temperature 36 °F 16 °F -4 °F
Degree Days  
Heating Degree Days (base 65) 61 39 18 1221
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 52 °F 15 °F -17 °F
Precipitation  
Precipitation 0.60 in 0.05 in 0.00 in 1.36 in
Snowdepth 10.0 in 6.0 in 0.0 in -
Wind  
Wind 36 mph 8 mph 0 mph
Gust Wind 50 mph 25 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.53 in 30.04 in 28.86 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 20, 2013 Rise Set
Actual Time 7:08 AM EST 4:36 PM EST
Civil Twilight 6:37 AM EST 5:08 PM EST
Nautical Twilight 6:01 AM EST 5:43 PM EST
Astronomical Twilight 5:27 AM EST 6:17 PM EST
Moon 11:36 AM EST (1/20) 1:36 AM EST (1/20)
Length of Visible Light 10h 31m
Length of Day
9h 28m
Waxing Gibbous, 66% of the Moon is Illuminated
Jan 20
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter

Weather History Calendar

Precipitation Actual month total 1.36 Normal Month Total: 3.38
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
32 | 11 0.00
Average:
33 | 15 0.11
Scattered Clouds
Actual:
24 | 3 0.00
Average:
32 | 15 0.11
Clear
Actual:
23 | 1 0.00
Average:
32 | 15 0.12
Partly Cloudy
Actual:
34 | 9 0.00
Average:
32 | 14 0.11
Scattered Clouds
Actual:
36 | 16 0.00
Average:
32 | 14 0.11
Snow
Actual:
37 | 16 T
Average:
32 | 14 0.12
Partly Cloudy
Actual:
31 | 15 T
Average:
31 | 14 0.11
Clear
Actual:
43 | 13 0.00
Average:
31 | 14 0.10
Rain
Actual:
40 | 16 T
Average:
31 | 14 0.11
Rain
Actual:
44 | 27 T
Average:
31 | 13 0.11
Rain
Actual:
36 | 19 0.02
Average:
31 | 13 0.11
Rain
Actual:
42 | 33 0.03
Average:
31 | 13 0.11
Fog
Actual:
45 | 36 0.00
Average:
31 | 13 0.11
Partly Cloudy
Actual:
59 | 35 0.00
Average:
31 | 13 0.11
Partly Cloudy
Actual:
38 | 29 0.00
Average:
31 | 13 0.11
Snow
Actual:
33 | 29 0.60
Average:
31 | 13 0.11
Scattered Clouds
Actual:
40 | 18 T
Average:
31 | 13 0.10
Scattered Clouds
Actual:
20 | 9 0.00
Average:
31 | 13 0.11
Partly Cloudy
Actual:
42 | 16 0.00
Average:
31 | 13 0.11
Scattered Clouds
Actual:
49 | 26 0.00
Average:
31 | 13 0.11
Partly Cloudy
Actual:
27 | 17 0.00
Average:
31 | 13 0.11
Partly Cloudy
Actual:
22 | 8 T
Average:
31 | 13 0.11
Clear
Actual:
8 | 0 0.00
Average:
31 | 13 0.11
Scattered Clouds
Actual:
18 | -4 0.00
Average:
31 | 13 0.12
Scattered Clouds
Actual:
23 | 1 0.00
Average:
31 | 13 0.10
Partly Cloudy
Actual:
23 | 10 0.00
Average:
31 | 13 0.11
Clear
Actual:
28 | 9 0.00
Average:
31 | 13 0.10
Snow
Actual:
27 | 9 0.14
Average:
31 | 13 0.11
Snow
Actual:
33 | 22 0.04
Average:
31 | 13 0.10
Rain
Actual:
52 | 32 0.29
Average:
32 | 13 0.11
Rain
Actual:
54 | 29 0.24
Average:
32 | 14 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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 32 22 11 22 11 -2 75 55 35 29.88 29.73 29.62 10 10 10 24 11 29 0.00  
2 24 14 3 6 -1 -9 69 54 39 30.06 29.93 29.86 10 10 10 26 9 33 0.00  
3 23 12 1 1 -4 -10 63 50 36 30.10 30.04 29.95 10 10 10 12 6 - 0.00  
4 34 22 9 21 14 1 83 70 56 29.93 29.81 29.74 10 10 10 15 7 22 0.00  
5 36 26 16 23 15 9 67 51 35 30.26 30.04 29.75 10 10 10 29 10 36 0.00  
6 37 27 16 24 19 11 84 72 59 30.21 30.02 29.92 10 9 4 17 4 21 T Snow
7 31 23 15 25 18 11 84 71 58 30.40 30.21 29.94 10 10 7 17 5 22 T  
8 43 28 13 23 20 12 84 62 39 30.36 30.27 30.20 10 10 9 17 8 23 0.00  
9 40 28 16 32 24 16 92 78 64 30.40 30.20 29.91 10 9 6 15 4 20 T Rain
10 44 36 27 32 24 20 76 58 40 30.53 30.26 29.92 10 10 10 35 14 45 T Rain
11 36 28 19 31 23 16 89 74 59 30.53 30.40 30.25 10 9 3 14 3 16 0.02 Rain
12 42 38 33 40 36 31 100 93 86 30.25 30.18 30.12 10 3 0 8 3 9 0.03 Fog , Rain
13 45 41 36 45 40 36 100 96 92 30.16 30.07 29.95 3 1 0 9 4 13 0.00 Fog
14 59 47 35 47 39 24 100 73 46 30.21 29.99 29.86 10 6 1 14 7 20 0.00  
15 38 34 29 26 23 20 78 65 52 30.32 30.27 30.23 10 10 10 8 2 13 0.00  
16 33 31 29 29 26 21 92 76 59 30.26 30.04 29.78 10 4 0 12 7 14 0.60 Fog , Snow
17 40 29 18 29 19 -2 92 62 32 30.12 29.92 29.77 10 10 10 24 9 30 T  
18 20 15 9 0 -6 -14 51 40 28 30.41 30.29 30.12 10 10 10 20 9 27 0.00  
19 42 29 16 26 16 2 54 49 44 30.35 30.08 29.86 10 10 10 17 8 24 0.00  
20 49 38 26 32 22 5 76 55 33 29.85 29.65 29.44 10 10 10 31 15 45 0.00  
21 27 22 17 12 3 -2 68 51 33 30.05 29.96 29.84 10 10 10 25 11 33 0.00  
22 22 15 8 12 3 -6 73 60 46 30.04 29.86 29.76 10 10 7 20 9 25 T  
23 8 4 0 -6 -14 -17 62 47 32 30.11 30.07 30.04 10 10 10 30 11 35 0.00  
24 18 7 -4 -8 -12 -16 61 46 30 30.13 30.04 29.96 10 10 10 21 10 26 0.00  
25 23 12 1 -1 -4 -10 69 52 34 30.22 30.15 30.07 10 10 10 15 5 19 0.00  
26 23 17 10 -1 -4 -7 58 43 28 30.15 30.06 30.00 10 10 10 22 11 28 0.00  
27 28 19 9 3 -2 -8 63 47 31 30.44 30.31 30.16 10 10 10 22 9 28 0.00  
28 27 18 9 20 11 -4 92 59 26 30.43 30.24 30.07 10 6 1 8 3 10 0.14 Snow
29 33 28 22 30 23 18 88 77 66 30.21 30.15 30.08 10 9 3 10 3 12 0.04 Rain , Snow
30 52 42 32 51 41 31 100 95 89 30.14 29.82 29.44 6 2 0 15 7 24 0.29 Fog , Rain
31 54 42 29 52 37 9 100 68 35 29.47 29.19 28.86 10 7 1 36 21 50 0.24 Rain