Weather History for Portland, ME

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 78 °F 69 °F
Mean Temperature 77 °F 68 °F 62 °F
Min Temperature 67 °F 57 °F 49 °F
Degree Days  
Heating Degree Days (base 65) 3 0 0 11
Cooling Degree Days (base 65) 12 3 0 102
Growing Degree Days (base 50) 26 18 12 549
Dew Point  
Dew Point 70 °F 58 °F 39 °F
Precipitation  
Precipitation 0.67 in 0.06 in 0.00 in 1.74 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 28 mph 6 mph 0 mph
Gust Wind 37 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 29.98 in 29.64 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 28, 2013 Rise Set
Actual Time 6:00 AM EDT 7:23 PM EDT
Civil Twilight 5:30 AM EDT 7:53 PM EDT
Nautical Twilight 4:54 AM EDT 8:28 PM EDT
Astronomical Twilight 4:16 AM EDT 9:06 PM EDT
Moon 11:45 PM EDT (8/28) 2:03 PM EDT (8/28)
Length of Visible Light 14h 22m
Length of Day
13h 22m
Waning Gibbous, 47% of the Moon is Illuminated
Aug 28
Waning Gibbous
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.74 Normal Month Total: 3.14
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
76 | 57 0.02
Average:
79 | 60 0.11
Rain
Actual:
78 | 61 0.51
Average:
79 | 60 0.11
Rain
Actual:
80 | 58 T
Average:
79 | 60 0.10
Thunderstorm
Actual:
77 | 55 0.09
Average:
79 | 60 0.10
Clear
Actual:
74 | 52 0.00
Average:
79 | 60 0.11
Clear
Actual:
75 | 49 0.00
Average:
79 | 60 0.10
Clear
Actual:
75 | 51 0.00
Average:
79 | 59 0.11
Rain
Actual:
76 | 63 0.17
Average:
79 | 59 0.10
Rain
Actual:
71 | 66 0.67
Average:
79 | 59 0.11
Partly Cloudy
Actual:
81 | 57 0.00
Average:
79 | 59 0.10
Clear
Actual:
78 | 52 0.00
Average:
79 | 59 0.11
Clear
Actual:
78 | 54 0.00
Average:
78 | 59 0.10
Rain
Actual:
73 | 58 T
Average:
78 | 59 0.10
Fog
Actual:
77 | 54 0.00
Average:
78 | 59 0.10
Scattered Clouds
Actual:
76 | 50 0.00
Average:
78 | 59 0.10
Clear
Actual:
74 | 53 0.00
Average:
78 | 59 0.10
Clear
Actual:
77 | 55 0.00
Average:
78 | 58 0.10
Clear
Actual:
75 | 54 0.00
Average:
78 | 58 0.10
Clear
Actual:
83 | 56 0.00
Average:
78 | 58 0.10
Clear
Actual:
83 | 61 0.00
Average:
77 | 58 0.09
Clear
Actual:
84 | 61 0.00
Average:
77 | 58 0.10
Clear
Actual:
89 | 64 T
Average:
77 | 58 0.10
Scattered Clouds
Actual:
80 | 58 0.00
Average:
77 | 57 0.10
Clear
Actual:
78 | 50 0.00
Average:
77 | 57 0.10
Rain
Actual:
77 | 52 0.00
Average:
77 | 57 0.10
Rain
Actual:
82 | 62 0.24
Average:
76 | 57 0.10
Scattered Clouds
Actual:
84 | 63 0.00
Average:
76 | 57 0.10
Rain
Actual:
78 | 62 0.04
Average:
76 | 56 0.10
Rain
Actual:
69 | 60 0.00
Average:
76 | 56 0.10
Partly Cloudy
Actual:
80 | 61 0.00
Average:
75 | 56 0.09
Partly Cloudy
Actual:
82 | 67 T
Average:
75 | 56 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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 76 67 57 65 61 55 97 79 60 30.04 29.97 29.89 10 10 10 17 7 22 0.02  
2 78 70 61 66 64 61 100 87 74 29.88 29.81 29.75 10 7 1 15 5 18 0.51 Rain
3 80 69 58 61 57 53 93 68 43 29.83 29.78 29.73 10 9 2 18 6 24 T Rain
4 77 66 55 61 56 52 93 72 50 29.85 29.79 29.75 10 10 6 28 6 37 0.09 Rain , Thunderstorm
5 74 63 52 52 48 39 89 65 41 30.04 29.92 29.85 10 10 10 18 9 23 0.00  
6 75 62 49 53 48 44 80 61 41 30.16 30.11 30.04 10 10 10 14 5 19 0.00  
7 75 63 51 61 56 49 89 71 53 30.20 30.16 30.12 10 10 10 14 6 26 0.00  
8 76 70 63 68 63 55 93 83 73 30.12 30.05 30.00 10 10 3 15 8 20 0.17 Rain
9 71 69 66 69 67 65 100 94 87 30.01 29.87 29.74 10 6 1 22 9 36 0.67 Rain
10 81 69 57 67 59 47 100 68 35 30.00 29.83 29.75 10 8 1 20 8 27 0.00  
11 78 65 52 56 52 49 86 63 40 30.06 30.02 29.99 10 10 10 15 5 19 0.00  
12 78 66 54 60 57 52 93 70 47 30.01 29.96 29.90 10 10 10 16 5 20 0.00  
13 73 66 58 65 61 57 100 81 61 29.91 29.80 29.70 10 8 0 15 4 21 T Fog , Rain
14 77 66 54 63 58 47 100 69 38 29.90 29.69 29.64 10 6 0 22 8 28 0.00 Fog
15 76 63 50 52 50 48 89 64 38 30.09 30.01 29.91 10 10 10 12 7 18 0.00  
16 74 64 53 56 54 49 93 67 41 30.18 30.13 30.08 10 10 10 12 5 - 0.00  
17 77 66 55 58 54 50 93 70 46 30.27 30.25 30.19 10 10 10 13 5 18 0.00  
18 75 65 54 62 57 52 93 71 49 30.27 30.20 30.06 10 10 10 12 4 18 0.00  
19 83 70 56 62 59 56 93 68 43 30.05 29.97 29.90 10 10 7 16 5 20 0.00  
20 83 72 61 63 60 59 90 68 46 30.08 30.03 29.95 10 10 9 14 5 19 0.00  
21 84 73 61 64 63 60 93 74 54 30.13 30.07 29.99 10 10 7 15 6 20 0.00  
22 89 77 64 67 63 59 93 65 37 29.99 29.89 29.77 10 10 7 17 8 22 T  
23 80 69 58 66 53 45 79 56 32 30.15 29.95 29.78 10 10 9 21 12 26 0.00  
24 78 64 50 50 47 45 83 57 31 30.31 30.27 30.16 10 10 10 12 5 14 0.00  
25 77 65 52 56 52 49 93 67 41 30.36 30.28 30.15 10 10 10 15 6 19 0.00 Rain
26 82 72 62 67 62 54 93 76 58 30.14 29.98 29.87 10 10 5 13 6 - 0.24 Rain
27 84 74 63 65 64 63 100 76 51 29.90 29.88 29.85 10 9 5 12 3 20 0.00  
28 78 70 62 66 64 61 100 82 64 30.01 29.94 29.88 10 7 2 16 4 20 0.04 Rain
29 69 65 60 65 61 56 93 83 73 30.11 30.04 29.98 10 10 5 16 6 21 0.00 Rain
30 80 71 61 64 60 56 90 74 58 30.02 29.90 29.78 10 10 10 14 4 16 0.00  
31 82 75 67 70 67 64 97 80 62 29.82 29.79 29.76 10 8 5 14 4 17 T