Weather History for Grand Marais Airport, MN

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 60 °F 44 °F
Mean Temperature 66 °F 49 °F 37 °F
Min Temperature 55 °F 38 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 28 16 0 469
Cooling Degree Days (base 65) 2 0 0 2
Growing Degree Days (base 50) 16 3 0 89
Dew Point  
Dew Point 61 °F 39 °F 19 °F
Precipitation  
Precipitation 0.19 in 0.02 in 0.00 in 0.68 in
Snowdepth - - - -
Wind  
Wind 17 mph 5 mph 0 mph
Gust Wind 29 mph 19 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 29.97 in 29.53 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 16, 2012 Rise Set
Actual Time 6:40 AM CDT 7:10 PM CDT
Civil Twilight 6:09 AM CDT 7:41 PM CDT
Nautical Twilight 5:32 AM CDT 8:18 PM CDT
Astronomical Twilight 4:54 AM CDT 8:56 PM CDT
Moon 7:27 AM CDT (9/16) 7:05 PM CDT (9/16)
Length of Visible Light 13h 32m
Length of Day
12h 29m
New Moon, 0% of the Moon is Illuminated
Sep 16
New Moon
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Weather History Calendar

Precipitation Actual month total 0.68 Average Month Total: 0.80
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
73 | 44 0.00
Average:
66 | 48 0.02
Clear
Actual:
69 | 55 0.00
Average:
66 | 48 0.02
Thunderstorm
Actual:
80 | 53 0.00
Average:
65 | 47 0.02
Thunderstorm
Actual:
78 | 51 0.09
Average:
65 | 47 0.02
Rain
Actual:
69 | 51 0.01
Average:
65 | 47 0.02
Scattered Clouds
Actual:
68 | 48 0.00
Average:
65 | 47 0.02
Rain
Actual:
57 | 44 0.10
Average:
65 | 46 0.02
Rain
Actual:
59 | 42 0.00
Average:
64 | 46 0.02
Clear
Actual:
62 | 37 0.00
Average:
64 | 46 0.02
Clear
Actual:
66 | 35 0.00
Average:
64 | 45 0.02
Clear
Actual:
68 | 53 0.00
Average:
63 | 45 0.02
Rain
Actual:
64 | 46 0.00
Average:
63 | 44 0.02
Scattered Clouds
Actual:
57 | 37 0.00
Average:
62 | 44 0.03
Partly Cloudy
Actual:
57 | 33 0.00
Average:
62 | 43 0.03
Clear
Actual:
59 | 30 0.00
Average:
61 | 43 0.03
Rain
Actual:
73 | 37 0.00
Average:
60 | 42 0.03
Rain
Actual:
51 | 32 0.06
Average:
60 | 42 0.03
Rain
Actual:
50 | 28 0.02
Average:
59 | 41 0.03
Rain
Actual:
57 | 28 0.19
Average:
58 | 40 0.03
Rain
Actual:
51 | 41 0.04
Average:
58 | 40 0.03
Thunderstorm
Actual:
48 | 37 0.16
Average:
57 | 39 0.03
Thunderstorm
Actual:
44 | 33 0.01
Average:
57 | 39 0.03
Scattered Clouds
Actual:
48 | 33 0.00
Average:
56 | 38 0.03
Scattered Clouds
Actual:
60 | 35 0.00
Average:
56 | 38 0.03
Partly Cloudy
Actual:
48 | 26 0.00
Average:
55 | 37 0.03
Partly Cloudy
Actual:
53 | 28 0.00
Average:
54 | 37 0.03
Clear
Actual:
57 | 26 0.00
Average:
54 | 36 0.03
Clear
Actual:
69 | 33 0.00
Average:
53 | 35 0.03
Fog
Actual:
60 | 33 0.00
Average:
52 | 35 0.04
Fog
Actual:
57 | 30 0.00
Average:
52 | 35 0.04
 

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

2012 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 73 58 44 52 45 39 93 63 33 30.27 30.22 30.15 10 10 10 8 4 - 0.00  
2 69 62 55 55 52 43 94 69 48 30.15 30.03 29.90 10 10 10 8 4 - 0.00  
3 80 66 53 61 52 39 88 62 23 29.94 29.91 29.87 10 10 10 9 3 - 0.00 Thunderstorm
4 78 64 51 54 48 43 94 63 28 29.94 29.87 29.77 10 10 0 16 3 24 0.09 Fog , Rain , Thunderstorm
5 69 60 51 52 48 43 94 69 38 29.82 29.79 29.75 10 9 1 13 4 20 0.01 Rain
6 68 58 48 48 46 43 87 68 40 29.91 29.88 29.82 10 10 10 13 6 23 0.00  
7 57 50 44 48 45 41 93 78 59 29.93 29.91 29.88 10 10 2 13 5 20 0.10 Rain
8 59 50 42 48 44 37 93 81 63 29.97 29.84 29.74 10 10 0 13 4 18 0.00 Fog , Rain
9 62 50 37 46 40 36 93 69 37 30.14 30.09 29.97 10 10 10 13 7 20 0.00  
10 66 50 35 52 45 34 93 73 52 30.10 29.98 29.86 10 9 1 15 3 21 0.00  
11 68 60 53 54 51 48 88 69 56 29.86 29.80 29.75 10 10 10 13 5 22 0.00  
12 64 55 46 54 35 25 77 45 22 30.13 29.98 29.78 10 10 10 15 7 25 0.00 Rain
13 57 47 37 43 37 30 93 65 50 30.30 30.21 30.12 10 10 10 10 5 17 0.00  
14 57 46 33 43 38 30 93 72 44 30.34 30.31 30.27 10 10 10 14 5 22 0.00  
15 59 44 30 45 36 28 93 70 45 30.32 30.18 29.97 10 10 2 9 2 - 0.00  
16 73 55 37 52 42 34 93 64 33 29.96 29.89 29.85 10 9 0 13 5 20 0.00 Fog , Rain
17 51 42 32 43 35 28 87 74 50 29.96 29.93 29.89 10 10 7 15 7 22 0.06 Rain
18 50 39 28 34 28 19 93 69 30 29.94 29.92 29.87 10 10 4 16 6 24 0.02 Rain
19 57 42 28 46 38 25 93 77 51 29.86 29.63 29.53 10 10 4 14 6 23 0.19 Rain
20 51 46 41 41 36 30 87 71 44 29.78 29.68 29.55 10 10 4 14 8 29 0.04 Rain
21 48 42 37 37 35 30 93 79 50 29.76 29.74 29.72 10 10 5 14 4 22 0.16 Rain , Thunderstorm
22 44 38 33 36 29 25 93 73 53 30.11 30.00 29.77 10 10 2 16 10 25 0.01 Rain , Thunderstorm
23 48 40 33 30 28 27 81 63 46 30.17 30.11 29.98 10 10 10 14 7 21 0.00  
24 60 48 35 34 29 25 75 49 31 29.96 29.73 29.58 10 10 10 17 8 29 0.00  
25 48 37 26 34 29 25 93 72 50 29.97 29.90 29.84 10 10 10 10 4 17 0.00  
26 53 42 28 36 31 25 93 69 38 30.21 30.10 29.97 10 10 10 9 3 - 0.00  
27 57 42 26 37 30 21 93 66 38 30.27 30.22 30.17 10 10 10 10 4 - 0.00  
28 69 51 33 39 34 27 81 50 27 30.18 30.14 30.09 10 10 10 8 4 - 0.00  
29 60 46 33 41 36 30 93 69 34 30.17 30.13 30.10 10 10 0 7 5 - 0.00 Fog
30 57 44 30 45 35 27 93 76 51 30.10 30.02 29.89 10 8 0 8 1 - 0.00 Fog