Weather History for Duluth, MN

Change the Weather History Date:

Friday, September 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 53 °F 56 °F  
Max Temperature 67 °F 66 °F 84 °F (1920)
Min Temperature 39 °F 47 °F 30 °F (1964)
Degree Days  
Heating Degree Days 12 9  
Month to date heating degree days 59 97  
Since 1 July heating degree days 106 246  
Cooling Degree Days 0 0  
Month to date cooling degree days 24 13  
Year to date cooling degree days 409 203  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 59    
Maximum Humidity 86    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.14 in 3.30 in (1941)
Month to date precipitation 0.18 1.95  
Year to date precipitation 28.43 22.65  
Snow  
Snow 0.00 in 0.00 in T in (2011)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.34 in    
Wind  
Wind Speed 4 mph (North)    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 14, 2012 Rise Set
Actual Time 6:45 AM CDT 7:21 PM CDT
Civil Twilight 6:15 AM CDT 7:51 PM CDT
Nautical Twilight 5:38 AM CDT 8:28 PM CDT
Astronomical Twilight 5:01 AM CDT 9:05 PM CDT
Moon 5:07 AM CDT (9/14) 6:18 PM CDT (9/14)
Length of Visible Light 13h 36m
Length of Day
12h 35m
Waning Crescent, 2% of the Moon is Illuminated
Sep 14
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 54.0 °F - 37.0 °F 53% 30.32 in 10.0 mi NNW 6.9 mph - N/A   Overcast
1:55 AM 52.0 °F - 37.0 °F 57% 30.33 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
2:55 AM 48.9 °F - 37.9 °F 66% 30.33 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
3:55 AM 46.0 °F 43.9 °F 37.0 °F 71% 30.34 in 10.0 mi North 4.6 mph - N/A   Clear
4:55 AM 42.1 °F 39.2 °F 36.0 °F 79% 30.33 in 10.0 mi North 4.6 mph - N/A   Clear
5:55 AM 43.0 °F 38.8 °F 37.9 °F 82% 30.34 in 10.0 mi NNW 6.9 mph - N/A   Clear
6:55 AM 41.0 °F 38.0 °F 37.0 °F 86% 30.36 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:55 AM 44.6 °F - 39.2 °F 81% 30.34 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 52.0 °F - 42.1 °F 69% 30.38 in 10.0 mi NNW 6.9 mph - N/A   Clear
9:55 AM 55.9 °F - 43.0 °F 62% 30.38 in 10.0 mi NNW 8.1 mph - N/A   Clear
10:55 AM 59.0 °F - 42.1 °F 53% 30.38 in 10.0 mi NNE 8.1 mph - N/A   Partly Cloudy
11:55 AM 61.0 °F - 39.9 °F 46% 30.37 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
12:55 PM 63.0 °F - 37.0 °F 38% 30.35 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
1:55 PM 62.1 °F - 37.0 °F 39% 30.35 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:55 PM 64.9 °F - 37.0 °F 36% 30.32 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
3:55 PM 66.9 °F - 37.0 °F 33% 30.32 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
4:55 PM 64.9 °F - 36.0 °F 34% 30.32 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:55 PM 66.0 °F - 36.0 °F 33% 30.30 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:55 PM 60.1 °F - 41.0 °F 49% 30.31 in 10.0 mi East 3.5 mph - N/A   Clear
7:55 PM 55.0 °F - 41.0 °F 59% 30.32 in 10.0 mi East 3.5 mph - N/A   Clear
8:55 PM 52.0 °F - 41.0 °F 66% 30.33 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 46.9 °F - 39.0 °F 74% 30.33 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 48.0 °F - 39.0 °F 71% 30.33 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 46.0 °F 43.1 °F 39.9 °F 79% 30.32 in 10.0 mi East 5.8 mph - N/A   Clear