Weather History for Duluth Sky Harbor, MN

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Wednesday, August 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 78 °F -  
Max Temperature 86 °F 72 °F 94 °F (1976)
Min Temperature 69 °F 55 °F 39 °F (1956)
Cooling Degree Days 12    
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 68    
Maximum Humidity 94    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 18 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events Thunderstorm    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 21, 2013 Rise Set
Actual Time 6:14 AM CDT 8:07 PM CDT
Civil Twilight 5:41 AM CDT 8:39 PM CDT
Nautical Twilight 5:01 AM CDT 9:19 PM CDT
Astronomical Twilight 4:17 AM CDT 10:02 PM CDT
Moon 8:07 PM CDT (8/21) 7:00 AM CDT (8/21)
Length of Visible Light 14h 58m
Length of Day
13h 53m
Waxing Gibbous, 99% of the Moon is Illuminated
Aug 21
Waxing Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:14 AM 78.8 °F - 71.6 °F 78% 29.80 in 10.0 mi SSW 11.5 mph - N/A   Clear
12:33 AM 77.0 °F - 71.6 °F 83% 29.81 in 10.0 mi SW 10.4 mph - N/A   Clear
12:53 AM 77.0 °F - 71.6 °F 83% 29.81 in 10.0 mi SW 9.2 mph - N/A   Clear
1:14 AM 77.0 °F - 71.6 °F 83% 29.81 in 10.0 mi WSW 6.9 mph - N/A   Clear
1:33 AM 75.2 °F - 71.6 °F 89% 29.81 in 10.0 mi SW 6.9 mph - N/A   Clear
1:53 AM 75.2 °F - 71.6 °F 89% 29.81 in 10.0 mi SW 8.1 mph - N/A   Clear
2:14 AM 75.2 °F - 71.6 °F 89% 29.80 in 10.0 mi SSW 10.4 mph - N/A   Clear
2:33 AM 75.2 °F - 71.6 °F 89% 29.80 in 10.0 mi SW 8.1 mph - N/A   Clear
2:53 AM 75.2 °F - 71.6 °F 89% 29.80 in 10.0 mi SW 8.1 mph - N/A   Clear
3:14 AM 75.2 °F - 71.6 °F 89% 29.80 in 10.0 mi SW 10.4 mph - N/A   Clear
3:33 AM 75.2 °F - 71.6 °F 89% 29.80 in 10.0 mi SW 10.4 mph - N/A   Clear
3:53 AM 75.2 °F - 71.6 °F 89% 29.83 in 10.0 mi WSW 9.2 mph - N/A   Clear
4:14 AM 75.2 °F - 71.6 °F 89% 29.85 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
4:33 AM 75.2 °F - 71.6 °F 89% 29.87 in 10.0 mi West 6.9 mph - N/A Thunderstorm Mostly Cloudy
4:53 AM 75.2 °F - 71.6 °F 89% 29.86 in 10.0 mi SSE 3.5 mph - N/A Thunderstorm Mostly Cloudy
5:14 AM 75.2 °F - 71.6 °F 89% 29.85 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:33 AM 75.2 °F - 71.6 °F 89% 29.82 in 10.0 mi SSE 11.5 mph - N/A   Scattered Clouds
5:53 AM 75.2 °F - 71.6 °F 89% 29.85 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:13 AM 75.2 °F - 71.6 °F 89% 29.84 in 10.0 mi South 8.1 mph - N/A   Clear
6:33 AM 73.4 °F - 71.6 °F 94% 29.85 in 10.0 mi SSW 4.6 mph - N/A   Clear
6:54 AM 73.4 °F - 69.8 °F 88% 29.79 in 10.0 mi SSE 18.4 mph - N/A   Clear
7:13 AM 73.4 °F - 69.8 °F 88% 29.80 in 10.0 mi South 13.8 mph - N/A   Clear
7:33 AM 73.4 °F - 69.8 °F 88% 29.79 in 10.0 mi South 16.1 mph - N/A   Clear
7:54 AM 75.2 °F - 71.6 °F 89% 29.82 in 10.0 mi WSW 8.1 mph 12.7 mph N/A   Clear
8:13 AM 75.2 °F - 71.6 °F 89% 29.82 in 10.0 mi SW 10.4 mph - N/A   Clear
8:33 AM 75.2 °F - 71.6 °F 89% 29.83 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
8:54 AM 77.0 °F - 71.6 °F 83% 29.82 in 10.0 mi SW 6.9 mph - N/A   Overcast
9:13 AM 77.0 °F - 71.6 °F 83% 29.83 in 10.0 mi SW 6.9 mph - N/A   Overcast
9:33 AM 78.8 °F - 71.6 °F 78% 29.83 in 10.0 mi WSW 12.7 mph - N/A   Overcast
9:54 AM 78.8 °F - 71.6 °F 78% 29.84 in 10.0 mi WSW 11.5 mph - N/A   Overcast
10:13 AM 78.8 °F - 73.4 °F 83% 29.85 in 10.0 mi WSW 9.2 mph - N/A   Overcast
10:33 AM 78.8 °F - 73.4 °F 83% 29.86 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
10:53 AM 78.8 °F - 71.6 °F 78% 29.86 in 10.0 mi SW 9.2 mph - N/A   Overcast
11:13 AM 77.0 °F - 71.6 °F 83% 29.87 in 10.0 mi SW 11.5 mph - N/A   Overcast
11:34 AM 78.8 °F - 73.4 °F 83% 29.88 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
11:53 AM 80.6 °F 85.4 °F 73.4 °F 79% 29.87 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
12:13 PM 80.6 °F 85.4 °F 73.4 °F 79% 29.87 in 10.0 mi South 5.8 mph - N/A   Clear
12:34 PM 82.4 °F 88.2 °F 73.4 °F 74% 29.87 in 10.0 mi South 4.6 mph - N/A   Clear
12:53 PM 82.4 °F 88.2 °F 73.4 °F 74% 29.87 in 10.0 mi South 3.5 mph - N/A   Clear
1:13 PM 84.2 °F 90.9 °F 73.4 °F 70% 29.88 in 10.0 mi Calm Calm - N/A   Clear
1:34 PM 84.2 °F 88.4 °F 69.8 °F 62% 29.88 in 10.0 mi North 5.8 mph - N/A   Clear
1:53 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.89 in 10.0 mi North 5.8 mph - N/A   Clear
2:13 PM 82.4 °F 83.4 °F 62.6 °F 51% 29.90 in 10.0 mi North 8.1 mph - N/A Thunderstorm Clear
2:34 PM 80.6 °F 80.5 °F 55.4 °F 42% 29.91 in 10.0 mi NNW 10.4 mph - N/A   Clear
2:53 PM 84.2 °F 83.5 °F 57.2 °F 40% 29.91 in 10.0 mi North 6.9 mph - N/A   Clear
3:13 PM 82.4 °F 81.4 °F 53.6 °F 37% 29.91 in 10.0 mi NNW 6.9 mph - N/A Thunderstorm Thunderstorm
3:34 PM 80.6 °F 80.3 °F 53.6 °F 39% 29.91 in 10.0 mi NNW 11.5 mph - N/A   Clear
3:53 PM 80.6 °F - 51.8 °F 37% 29.91 in 10.0 mi NNW 10.4 mph - N/A   Clear
4:13 PM 80.6 °F - 51.8 °F 37% 29.91 in 10.0 mi NNW 10.4 mph - N/A Thunderstorm Thunderstorm
4:33 PM 82.4 °F - 50.0 °F 32% 29.91 in 10.0 mi NNW 6.9 mph - N/A   Clear
4:53 PM 82.4 °F - 50.0 °F 32% 29.91 in 10.0 mi NNW 6.9 mph - N/A   Clear
5:13 PM 86.0 °F - 50.0 °F 29% 29.91 in 10.0 mi NNW 9.2 mph - N/A   Clear
5:33 PM 78.8 °F - 51.8 °F 39% 29.91 in 10.0 mi NNW 11.5 mph - N/A   Clear
5:53 PM 78.8 °F - 53.6 °F 42% 29.91 in 10.0 mi NNW 9.2 mph - N/A   Clear
6:14 PM 80.6 °F - 51.8 °F 37% 29.92 in 10.0 mi NNW 10.4 mph - N/A   Clear
6:33 PM 82.4 °F - 50.0 °F 32% 29.91 in 10.0 mi NNW 11.5 mph - N/A   Clear
6:53 PM 82.4 °F - 51.8 °F 35% 29.92 in 10.0 mi NW 9.2 mph - N/A   Clear
7:14 PM 82.4 °F 81.4 °F 53.6 °F 37% 29.93 in 10.0 mi NW 6.9 mph - N/A   Clear
7:33 PM 82.4 °F 81.7 °F 55.4 °F 39% 29.94 in 10.0 mi NW 8.1 mph - N/A   Clear
7:53 PM 82.4 °F 81.7 °F 55.4 °F 39% 29.96 in 10.0 mi NW 6.9 mph - N/A   Clear
8:14 PM 78.8 °F - 60.8 °F 54% 29.97 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:33 PM 80.6 °F 80.8 °F 57.2 °F 45% 29.98 in 10.0 mi NW 4.6 mph - N/A   Clear
8:53 PM 80.6 °F 80.8 °F 57.2 °F 45% 29.99 in 10.0 mi NW 5.8 mph - N/A   Clear
9:14 PM 78.8 °F - 60.8 °F 54% 30.00 in 10.0 mi NW 6.9 mph - N/A   Clear
9:33 PM 77.0 °F - 60.8 °F 57% 30.01 in 10.0 mi NW 6.9 mph - N/A   Clear
9:53 PM 69.8 °F - 57.2 °F 64% 30.01 in 10.0 mi NNW 9.2 mph - N/A   Clear
10:14 PM 73.4 °F - 57.2 °F 57% 30.01 in 10.0 mi Calm Calm - N/A   Clear
10:33 PM 69.8 °F - 57.2 °F 64% 30.02 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 69.8 °F - 57.2 °F 64% 30.01 in 10.0 mi North 3.5 mph - N/A   Clear
11:14 PM 69.8 °F - 57.2 °F 64% 30.02 in 10.0 mi Calm Calm - N/A   Clear
11:33 PM 69.8 °F - 57.2 °F 64% 30.02 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 71.6 °F - 55.4 °F 57% 30.03 in 10.0 mi Calm Calm - N/A   Clear