Weather History for Grand Marais Airport, MN

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 75 °F 62 °F 50 °F
Mean Temperature 63 °F 52 °F 39 °F
Min Temperature 59 °F 42 °F 28 °F
Degree Days  
Heating Degree Days (base 65) 26 13 2 387
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 13 4 0 115
Dew Point  
Dew Point 64 °F 46 °F 27 °F
Precipitation  
Precipitation 1.90 in 0.16 in 0.00 in 4.73 in
Snowdepth - - - -
Wind  
Wind 20 mph 5 mph 0 mph
Gust Wind 34 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 29.99 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 24, 2013 Rise Set
Actual Time 6:51 AM CDT 6:54 PM CDT
Civil Twilight 6:20 AM CDT 7:25 PM CDT
Nautical Twilight 5:44 AM CDT 8:01 PM CDT
Astronomical Twilight 5:06 AM CDT 8:38 PM CDT
Moon 9:49 PM CDT (9/24) 12:28 PM CDT (9/24)
Length of Visible Light 13h 04m
Length of Day
12h 03m
Waning Gibbous, 73% of the Moon is Illuminated
Sep 24
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Weather History Calendar

Precipitation Actual month total 4.73 Average Month Total: 0.80
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
69 | 48 0.02
Average:
66 | 48 0.02
Partly Cloudy
Actual:
60 | 44 0.00
Average:
66 | 48 0.02
Clear
Actual:
73 | 37 0.00
Average:
65 | 47 0.02
Scattered Clouds
Actual:
62 | 41 0.00
Average:
65 | 47 0.02
Clear
Actual:
64 | 37 0.00
Average:
65 | 47 0.02
Rain
Actual:
75 | 51 0.00
Average:
65 | 47 0.02
Clear
Actual:
73 | 46 0.00
Average:
65 | 46 0.02
Clear
Actual:
62 | 46 0.00
Average:
64 | 46 0.02
Thunderstorm
Actual:
62 | 51 1.44
Average:
64 | 46 0.02
Rain
Actual:
71 | 55 0.05
Average:
64 | 45 0.02
Rain
Actual:
68 | 51 0.08
Average:
63 | 45 0.02
Partly Cloudy
Actual:
53 | 37 0.00
Average:
63 | 44 0.02
Scattered Clouds
Actual:
57 | 32 0.00
Average:
62 | 44 0.03
Rain
Actual:
66 | 42 0.06
Average:
62 | 43 0.03
Rain
Actual:
53 | 32 0.35
Average:
61 | 43 0.03
Scattered Clouds
Actual:
55 | 28 0.00
Average:
60 | 42 0.03
Fog
Actual:
57 | 37 0.00
Average:
60 | 42 0.03
Rain
Actual:
59 | 50 0.04
Average:
59 | 41 0.03
Thunderstorm
Actual:
62 | 59 1.90
Average:
58 | 40 0.03
Rain
Actual:
60 | 42 0.01
Average:
58 | 40 0.03
Partly Cloudy
Actual:
50 | 28 0.00
Average:
57 | 39 0.03
Scattered Clouds
Actual:
50 | 28 0.00
Average:
57 | 39 0.03
Fog
Actual:
57 | 42 0.00
Average:
56 | 38 0.03
Fog
Actual:
64 | 39 0.00
Average:
56 | 38 0.03
Fog
Actual:
66 | 35 0.00
Average:
55 | 37 0.03
Fog
Actual:
62 | 46 0.00
Average:
54 | 37 0.03
Rain
Actual:
66 | 51 0.01
Average:
54 | 36 0.03
Rain
Actual:
64 | 44 0.77
Average:
53 | 35 0.03
Scattered Clouds
Actual:
62 | 37 0.00
Average:
52 | 35 0.04
Clear
Actual:
62 | 48 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

2013 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 58 48 57 52 43 88 79 60 29.97 29.79 29.68 10 10 4 16 6 28 0.02 Rain , Thunderstorm
2 60 52 44 46 42 39 87 73 55 30.07 30.03 29.97 10 10 5 13 8 20 0.00  
3 73 55 37 55 46 34 93 66 38 30.04 29.97 29.90 10 10 10 10 3 17 0.00  
4 62 52 41 55 42 36 87 66 42 30.22 30.14 29.95 10 10 10 12 6 17 0.00  
5 64 50 37 48 41 34 93 71 45 30.32 30.24 30.14 10 10 10 9 4 - 0.00  
6 75 63 51 64 57 46 88 79 65 30.13 30.00 29.91 10 10 5 7 3 - 0.00 Rain
7 73 60 46 63 55 45 93 72 40 30.18 30.03 29.91 10 10 7 14 5 20 0.00  
8 62 54 46 48 44 43 93 74 52 30.21 30.13 29.97 10 10 10 9 5 - 0.00  
9 62 56 51 59 54 46 94 89 82 29.97 29.83 29.70 10 5 0 12 1 - 1.44 Rain , Thunderstorm
10 71 63 55 61 56 52 94 84 60 29.93 29.83 29.74 10 7 1 12 3 21 0.05 Rain
11 68 60 51 57 51 45 94 77 46 30.04 29.96 29.91 10 8 0 14 4 25 0.08 Fog , Rain
12 53 45 37 48 40 36 93 76 58 30.24 30.15 30.03 10 10 7 16 7 23 0.00  
13 57 44 32 45 39 28 93 77 55 30.26 30.20 30.07 10 10 10 10 3 16 0.00  
14 66 54 42 54 47 39 94 78 60 30.07 29.95 29.89 10 10 7 10 5 - 0.06 Rain
15 53 42 32 50 39 28 93 77 47 30.33 30.16 29.94 10 9 2 16 8 23 0.35 Rain
16 55 42 28 43 35 27 93 77 54 30.43 30.36 30.29 10 10 2 9 4 - 0.00  
17 57 47 37 46 43 36 93 79 63 30.28 30.16 30.01 10 8 0 10 5 17 0.00 Fog
18 59 54 50 55 51 45 94 89 76 30.00 29.90 29.84 10 3 0 7 4 - 0.04 Fog , Rain
19 62 60 59 61 57 55 94 89 88 29.84 29.75 29.67 10 3 0 8 3 - 1.90 Fog , Rain , Thunderstorm
20 60 51 42 57 47 37 94 83 71 29.80 29.71 29.65 10 10 4 14 7 25 0.01 Rain
21 50 39 28 37 33 27 93 74 54 30.00 29.90 29.80 10 10 5 13 7 26 0.00  
22 50 39 28 41 33 27 93 79 62 30.08 30.04 30.00 10 10 10 8 5 - 0.00  
23 57 50 42 46 44 41 93 82 67 30.05 30.02 29.99 10 8 0 8 5 - 0.00 Fog
24 64 52 39 50 45 37 94 80 52 30.05 30.02 30.00 10 7 0 8 4 - 0.00 Fog
25 66 50 35 52 44 34 94 76 49 30.04 30.02 29.99 10 7 0 7 3 - 0.00 Fog
26 62 54 46 52 47 43 94 81 59 30.07 30.04 30.02 10 6 0 9 5 - 0.00 Fog
27 66 58 51 55 50 48 88 72 56 30.05 30.00 29.93 10 10 7 12 4 18 0.01 Rain
28 64 54 44 57 48 39 94 75 59 29.94 29.76 29.57 10 9 1 20 8 34 0.77 Rain
29 62 50 37 46 41 36 93 74 45 29.91 29.87 29.77 10 9 3 12 5 21 0.00  
30 62 55 48 48 46 43 87 71 55 29.84 29.70 29.64 10 10 10 18 6 25 0.00