Weather History for Portland, ME

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Month of October, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 85 °F 60 °F 42 °F
Mean Temperature 69 °F 52 °F 35 °F
Min Temperature 58 °F 43 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 30 13 0 416
Cooling Degree Days (base 65) 4 0 0 5
Growing Degree Days (base 50) 20 4 0 133
Dew Point  
Dew Point 63 °F 43 °F 20 °F
Precipitation  
Precipitation 1.77 in 0.27 in 0.00 in 6.64 in
Snowdepth 4.0 in 0.2 in 0.0 in -
Wind  
Wind 30 mph 9 mph 0 mph
Gust Wind 41 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 29.97 in 29.25 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 11, 2011 Rise Set
Actual Time 6:50 AM EDT 6:05 PM EDT
Civil Twilight 6:21 AM EDT 6:33 PM EDT
Nautical Twilight 5:48 AM EDT 7:06 PM EDT
Astronomical Twilight 5:14 AM EDT 7:40 PM EDT
Moon 5:33 PM EDT (10/11) 6:26 AM EDT (10/11)
Length of Visible Light 12h 12m
Length of Day
11h 14m
Full, 100% of the Moon is Illuminated
Oct 11
Full
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter

Weather History Calendar

Precipitation Actual month total 6.64 Normal Month Total: 4.87
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
65 | 51 0.29
Average:
64 | 44 0.15
Rain
Actual:
59 | 51 1.77
Average:
64 | 44 0.15
Mostly Cloudy
Actual:
63 | 55 0.03
Average:
63 | 43 0.15
Rain
Actual:
58 | 53 0.51
Average:
63 | 43 0.14
Partly Cloudy
Actual:
62 | 38 T
Average:
63 | 43 0.15
Clear
Actual:
56 | 34 0.00
Average:
62 | 42 0.15
Clear
Actual:
57 | 32 0.00
Average:
62 | 42 0.16
Clear
Actual:
81 | 44 0.00
Average:
62 | 41 0.16
Clear
Actual:
85 | 53 0.00
Average:
61 | 41 0.16
Clear
Actual:
81 | 50 0.00
Average:
61 | 41 0.15
Clear
Actual:
63 | 43 0.00
Average:
60 | 40 0.16
Partly Cloudy
Actual:
58 | 43 T
Average:
60 | 40 0.15
Rain
Actual:
63 | 58 0.75
Average:
60 | 40 0.15
Rain
Actual:
63 | 58 0.47
Average:
59 | 39 0.16
Partly Cloudy
Actual:
64 | 51 0.00
Average:
59 | 39 0.16
Partly Cloudy
Actual:
62 | 52 T
Average:
59 | 39 0.16
Rain
Actual:
62 | 50 T
Average:
58 | 38 0.15
Partly Cloudy
Actual:
62 | 43 0.00
Average:
58 | 38 0.16
Rain
Actual:
55 | 42 0.71
Average:
58 | 38 0.16
Rain
Actual:
62 | 52 0.69
Average:
57 | 37 0.16
Scattered Clouds
Actual:
62 | 46 0.00
Average:
57 | 37 0.16
Mostly Cloudy
Actual:
59 | 45 T
Average:
57 | 37 0.17
Partly Cloudy
Actual:
56 | 36 0.00
Average:
56 | 37 0.17
Partly Cloudy
Actual:
56 | 36 T
Average:
56 | 36 0.16
Rain
Actual:
59 | 40 0.03
Average:
56 | 36 0.16
Partly Cloudy
Actual:
51 | 38 0.00
Average:
55 | 36 0.16
Rain
Actual:
46 | 35 0.39
Average:
55 | 36 0.16
Scattered Clouds
Actual:
48 | 29 0.00
Average:
55 | 35 0.16
Snow
Actual:
42 | 27 0.66
Average:
54 | 35 0.16
Snow
Actual:
43 | 28 0.34
Average:
54 | 35 0.16
Clear
Actual:
50 | 26 0.00
Average:
53 | 35 0.16
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 65 58 51 63 60 50 100 94 87 29.86 29.71 29.63 10 4 1 17 8 24 0.29 Rain
2 59 55 51 58 54 49 100 95 89 29.92 29.89 29.83 10 4 1 13 8 22 1.77 Rain
3 63 59 55 57 56 55 100 89 78 30.11 30.03 29.92 10 6 1 10 6 16 0.03  
4 58 56 53 56 54 50 100 93 86 30.08 29.98 29.89 10 7 2 16 8 20 0.51 Rain
5 62 50 38 49 41 30 89 70 50 30.17 29.98 29.87 10 10 8 28 14 41 T  
6 56 45 34 32 28 24 82 56 30 30.36 30.24 30.18 10 10 10 23 9 28 0.00  
7 57 45 32 43 35 29 89 64 38 30.46 30.40 30.35 10 10 10 20 7 21 0.00  
8 81 63 44 57 49 40 92 66 39 30.39 30.32 30.26 10 10 10 14 6 17 0.00  
9 85 69 53 56 50 47 77 53 29 30.29 30.23 30.17 10 10 10 14 9 18 0.00  
10 81 66 50 59 49 34 89 62 34 30.17 30.12 30.05 10 10 10 14 9 23 0.00  
11 63 53 43 46 41 37 93 70 46 30.28 30.24 30.17 10 10 10 10 6 14 0.00  
12 58 51 43 51 47 41 96 84 72 30.29 30.24 30.15 10 10 10 9 6 16 T  
13 63 61 58 58 55 51 100 93 86 30.14 29.97 29.81 10 5 1 15 8 21 0.75 Rain
14 63 61 58 62 58 57 100 97 93 29.81 29.67 29.28 10 2 0 14 7 23 0.47 Fog , Rain
15 64 58 51 59 47 40 97 72 46 29.58 29.44 29.25 10 10 10 23 13 32 0.00  
16 62 57 52 42 39 37 63 53 42 29.70 29.66 29.59 10 10 10 28 12 37 T  
17 62 56 50 47 39 30 77 56 34 29.69 29.61 29.52 10 10 10 30 11 38 T Rain
18 62 53 43 43 40 37 92 68 43 29.97 29.81 29.68 10 10 8 14 8 25 0.00  
19 55 49 42 51 47 41 100 90 80 30.05 29.95 29.74 10 7 2 18 8 25 0.71 Rain
20 62 57 52 61 53 47 100 86 72 29.72 29.58 29.47 10 4 0 22 10 30 0.69 Fog , Rain
21 62 54 46 47 43 41 80 64 48 29.92 29.78 29.64 10 10 10 21 9 28 0.00  
22 59 52 45 46 43 40 86 72 57 30.05 29.97 29.92 10 10 10 14 7 - T  
23 56 46 36 43 40 36 93 74 55 30.14 30.10 30.05 10 10 10 13 6 - 0.00  
24 56 46 36 49 41 33 92 73 54 30.14 30.06 29.90 10 10 9 16 8 21 T  
25 59 50 40 47 39 30 100 71 41 29.91 29.86 29.79 10 9 2 26 12 32 0.03 Rain
26 51 45 38 39 34 31 83 70 56 29.93 29.86 29.76 10 10 10 15 9 - 0.00  
27 46 41 35 39 35 33 92 84 76 29.86 29.79 29.74 10 8 5 12 6 17 0.39 Rain
28 48 39 29 33 25 20 92 63 34 30.25 30.08 29.88 10 10 10 21 11 30 0.00  
29 42 35 27 31 27 22 92 68 43 30.30 30.13 29.88 10 6 1 20 8 33 0.66 Snow
30 43 36 28 34 31 25 100 77 53 30.24 29.90 29.73 10 6 0 28 13 39 0.34 Fog , Rain , Snow
31 50 38 26 35 30 22 92 67 42 30.42 30.37 30.27 10 10 9 18 5 - 0.00