Weather History for Rockland, ME

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 68 °F 59 °F
Mean Temperature 72 °F 60 °F 48 °F
Min Temperature 64 °F 53 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 16 5 0 154
Cooling Degree Days (base 65) 7 1 0 20
Growing Degree Days (base 50) 22 11 0 316
Dew Point  
Dew Point 70 °F 54 °F 32 °F
Precipitation  
Precipitation 0.59 in 0.06 in 0.00 in 1.75 in
Snowdepth - - - -
Wind  
Wind 21 mph 5 mph 0 mph
Gust Wind 28 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.52 in 30.04 in 29.54 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 18, 2011 Rise Set
Actual Time 6:18 AM EDT 6:41 PM EDT
Civil Twilight 5:49 AM EDT 7:10 PM EDT
Nautical Twilight 5:15 AM EDT 7:44 PM EDT
Astronomical Twilight 4:40 AM EDT 8:19 PM EDT
Moon 9:39 PM EDT (9/18) 12:27 PM EDT (9/18)
Length of Visible Light 13h 21m
Length of Day
12h 23m
Waning Gibbous, 68% of the Moon is Illuminated
Sep 18
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Weather History Calendar

Precipitation Actual month total 1.75 Average Month Total: 0.00
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
69 | 55 0.00
Average:
68 | 52 -
Clear
Actual:
66 | 48 0.00
Average:
68 | 52 -
Partly Cloudy
Actual:
71 | 51 0.00
Average:
68 | 52 -
Scattered Clouds
Actual:
69 | 57 0.00
Average:
68 | 52 -
Thunderstorm
Actual:
73 | 64 0.00
Average:
68 | 51 -
Partly Cloudy
Actual:
68 | 60 0.00
Average:
67 | 51 -
Partly Cloudy
Actual:
62 | 55 0.18
Average:
67 | 51 -
Partly Cloudy
Actual:
66 | 55 0.16
Average:
67 | 51 -
Partly Cloudy
Actual:
75 | 55 0.00
Average:
66 | 50 -
Clear
Actual:
68 | 51 0.00
Average:
66 | 50 -
Clear
Actual:
64 | 44 0.00
Average:
66 | 50 -
Clear
Actual:
75 | 57 0.00
Average:
65 | 50 -
Partly Cloudy
Actual:
69 | 53 0.00
Average:
65 | 50 -
Partly Cloudy
Actual:
78 | 64 0.00
Average:
65 | 50 -
Mostly Cloudy
Actual:
66 | 59 0.19
Average:
64 | 50 -
Scattered Clouds
Actual:
59 | 44 0.04
Average:
64 | 49 -
Scattered Clouds
Actual:
62 | 35 0.00
Average:
64 | 49 -
Clear
Actual:
62 | 41 0.00
Average:
63 | 49 -
Clear
Actual:
62 | 41 0.00
Average:
63 | 49 -
Partly Cloudy
Actual:
60 | 42 0.00
Average:
62 | 48 -
Clear
Actual:
69 | 50 0.00
Average:
62 | 48 -
Overcast
Actual:
66 | 57 0.59
Average:
62 | 48 -
Partly Cloudy
Actual:
69 | 60 0.00
Average:
61 | 47 -
Overcast
Actual:
66 | 60 0.58
Average:
61 | 47 -
Partly Cloudy
Actual:
80 | 64 0.00
Average:
60 | 46 -
Clear
Actual:
78 | 57 0.00
Average:
60 | 46 -
Clear
Actual:
73 | 51 0.00
Average:
60 | 45 -
Partly Cloudy
Actual:
62 | 51 0.00
Average:
59 | 45 -
Partly Cloudy
Actual:
62 | 53 0.01
Average:
59 | 44 -
Scattered Clouds
Actual:
66 | 59 0.00
Average:
58 | 43 -
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 69 62 55 57 53 50 88 74 56 30.27 30.23 30.19 10 10 5 10 3 - 0.00  
2 66 57 48 55 50 43 88 74 56 30.20 30.13 30.03 10 10 2 12 2 - 0.00  
3 71 61 51 61 56 46 88 78 68 30.01 29.91 29.85 10 10 2 13 6 18 0.00  
4 69 63 57 61 58 54 88 81 73 29.91 29.87 29.81 10 9 2 10 3 16 0.00  
5 73 68 64 64 61 57 83 76 69 29.82 29.80 29.78 10 10 9 14 8 20 0.00 Thunderstorm
6 68 64 60 59 56 54 88 75 60 30.17 29.97 29.83 10 10 10 10 6 - 0.00  
7 62 58 55 57 55 54 94 89 82 30.35 30.28 30.23 10 8 2 12 6 16 0.18  
8 66 60 55 59 56 54 100 87 73 30.15 30.08 29.99 10 9 2 9 6 - 0.16  
9 75 65 55 61 56 54 100 78 50 29.95 29.80 29.65 10 7 0 12 4 16 0.00  
10 68 60 51 55 45 39 88 57 37 30.04 29.90 29.76 10 10 10 10 5 21 0.00  
11 64 54 44 55 49 41 100 80 64 30.18 30.12 30.03 10 10 10 16 4 20 0.00  
12 75 66 57 63 58 54 94 75 57 29.98 29.92 29.88 10 10 10 12 7 20 0.00  
13 69 61 53 63 59 52 94 89 78 29.93 29.86 29.79 10 5 0 13 3 17 0.00  
14 78 71 64 64 63 61 94 79 57 29.92 29.85 29.79 10 9 5 13 8 20 0.00  
15 66 62 59 64 60 55 100 92 82 29.94 29.86 29.79 10 4 0 8 3 - 0.19  
16 59 52 44 46 39 36 87 64 44 30.28 30.08 29.87 10 10 10 21 8 28 0.04  
17 62 48 35 46 40 32 93 69 39 30.44 30.38 30.29 10 10 8 12 3 - 0.00  
18 62 52 41 46 44 37 93 71 48 30.52 30.48 30.42 10 10 10 10 3 - 0.00  
19 62 52 41 48 44 37 93 75 55 30.40 30.27 30.15 10 10 3 10 2 - 0.00  
20 60 51 42 55 51 39 94 85 77 30.13 30.07 30.02 10 9 1 15 6 23 0.00  
21 69 60 50 57 53 46 100 80 60 30.24 30.20 30.12 10 8 1 12 5 - 0.00  
22 66 62 57 64 59 55 100 93 88 30.24 30.18 30.12 10 2 0 6 3 - 0.59  
23 69 64 60 64 61 59 94 90 78 30.16 30.13 30.10 10 7 0 7 1 - 0.00  
24 66 63 60 64 62 57 94 93 88 30.10 30.03 29.99 10 4 0 6 3 - 0.58  
25 80 72 64 70 65 61 94 83 58 30.07 30.03 29.98 10 7 1 10 2 - 0.00  
26 78 68 57 63 58 55 94 74 44 29.99 29.95 29.89 10 9 1 12 3 - 0.00  
27 73 62 51 59 54 48 94 76 53 30.08 30.01 29.95 10 10 7 10 3 18 0.00  
28 62 56 51 55 53 48 88 83 77 30.19 30.15 30.12 10 10 10 12 6 - 0.00  
29 62 58 53 57 55 48 100 88 82 30.07 29.88 29.64 10 8 1 13 6 17 0.01  
30 66 62 59 59 56 55 88 80 68 29.75 29.67 29.54 10 10 8 15 10 23 0.00