Duluth Records 14th Consecutive Day Above 80 F

Late-Summer Heat Wave

Although the Duluth Airport has officially only set one new Maximum Temperature this month, on the 20th, the 28th marked the 14th consecutive day that Duluth reached at least 80 degrees F. The longest stretch of consecutive 80 degree days in Duluth recorded history is 15 days.

The first two weeks of August averaged near-normal in the Northland. Howerver, temperatures took a trend for the warm side by mid-month. The Late-Summer Heat Wave brought record breaking temperatures in the 90s to portionds of the Northland August 20-21st.  

A cold front passed over the region the night of the 21st, bringing a very welcome relief to the humidity and a drop in temperatures. However, the cool-down was short lived. Temperatures took another push upward through the weekend of the 23rd-24th, bringing near record temperatures once again to the Northland on Sunday, August 25th-27th. The heat and humidity also brought some much needed rain to portions of the Northland. Rainfall totals from August25th-26th.   
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Here are some Heat-Related Climate Facts:

The latest calendar day the Duluth Airport has recorded a 90 degree temperature is September 19th. The warmest temperature observed at the Duluth Airport in the month of August was 97 degrees F on August 1st 1930. Temperature records for the Duluth area date back to 1874.

The latest calendar day the International Falls Airport has recorded a 90 degree temperature is September 27th. The warmest temperature observed at the International Falls, MN Airport in the month of August was 96 degrees on August 9th, 1920.

The low temperature of 77 degrees on August 25th tied for the third warmest low temperature in Duluth weather history. It was also the warmest low ever recorded in the month of August.

Observed Temperatures 
Around the Northland

Daily Maximum Temperatures Observed at the Duluth Airport
 
August 2013

(Click for larger Image)

Record Breaking August in Duluth. Find out more HERE

Heat Index Values, August 25th

Location County Source Heat Index
5 ENE WILKINSON Cass, MN RAWS 109
CRANE LAKE St. Louis, MN AWOS 108
1 ESE BENA Cass, MN RAWS 106
3 WNW ASKOV Pine, MN MNDOT 106
2 SSW FIFIELD Price, WI WIDOT 105
GLIDDEN Ashland, WI AWS 105
AITKIN Aitkin, MN AWOS 105
HINCKLEY Pine, MN AWOS 105
1 E DULUTH St. Louis, MN AWS 104
HAYWARD RAWS Sawyer, WI RAWS 103
11 SSE BRULE Bayfield, WI RAWS 103
3 W DRUMMOND Bayfield, WI AWS 103
8 WNW MINONG Washburn, WI RAWS 103
SKY HARBOR AIRPORT St. Louis, MN AWOS 103
APOSTLE ISLANDS RAWS Ashland, WI RAWS 103
7 ESE CLOVERDALE Pine, MN RAWS 103
SUPERIOR Douglas, WI AWOS 103
MOOSE LAKE RAWS Carlton, MN RAWS 102
MCGREGOR Aitkin, MN AWS 102
ASHLAND AIRPORT Ashland, WI ASOS 102
1 SSE DULUTH St. Louis, MN MNDOT 102
3 WSW WENTWORTH Douglas, WI WIDOT 102
3 NNW COTTON St. Louis, MN MNDOT 102
CHISHOLM-HIBBING AIRPORT St. Louis, MN ASOS 102
HAYWARD Sawyer, WI ASOS 102
1 NNW HILL CITY Aitkin, MN AWS 102
DULUTH St. Louis, MN ASOS 101
4 ESE NAMEKAGON Bayfield, WI RAWS 101
PHILLIPS Price, WI AWOS 101
3 WSW INGER Itasca, MN RAWS 101
4 NE RANDALL Burnett, WI RAWS 101
2 ENE KIMBALL Iron, WI WIDOT 101
3 WNW TWIG St. Louis, MN MNDOT 101
5 E HIBBING St. Louis, MN RAWS 101
11 NE EAGLE MOUNTAIN Cook, MN RAWS 101
BRAINERD Crow Wing, MN ASOS 100
1 SW SAGINAW St. Louis, MN RAWS 100
4 N HILL CITY Itasca, MN RAWS 100
3 S CHISHOLM St. Louis, MN MNDOT 100
TWO HARBORS Lake, MN AWOS 100
1 SW CLOQUET Carlton, MN AWS 100
7 N MCGRATH RWIS Aitkin, MN MNDOT 99
12 ENE FIFIELD Price, WI RAWS 99
WASHBURN RAWS Bayfield, WI RAWS 99
EVELETH-VIRGINIA AIRPORT St. Louis, MN AWOS 99
FERNBERG RAWS Lake, MN RAWS 99
MOOSE LAKE Pine, MN AWOS 99
1 W CASS LAKE Cass, MN RAWS 99
SIREN Burnett, WI AWOS 99
5 ENE TWO HARBORS Lake, MN MNDOT 99
RICE LAKE N.W.R. Aitkin, MN RAWS 99
1 W KABETOGAMA St. Louis, MN RAWS 98
2 SSE SQUAW LAKE Itasca, MN MNDOT 98
LONGVILLE Cass, MN AWOS 98
STURGEON LAKE Pine, MN AWS 98
GLIDDEN RAWS Ashland, WI GOES 98
7 E EFFIE Itasca, MN MNDOT 98
PINE RIVER Cass, MN AWOS 98
3 W WOODROW Crow Wing, MN RAWS 98
5 S ELY St. Louis, MN RAWS 98
3 SSW CABLE Bayfield, WI WIDOT 98
2 WSW GRANTSBURG Burnett, WI WIDOT 98
GRAND RAPIDS Itasca, MN AWOS 98
2 SSW HINCKLEY Pine, MN MNDOT 98
PIER 20   MNDOT 98
17 E BUYCK St. Louis, MN RAWS 97
4 ENE MARGIE Koochiching, MN MNDOT 97
CLOQUET Carlton, MN AWOS 97
2 NNE BIGFORK Itasca, MN RAWS 97
4 W GRAND PORTAGE Cook, MN RAWS 97
MCGREGOR AIRPORT Aitkin, MN AWOS 96
SPOONER Washburn, WI AWS 96
5 E SEA GULL LAKE Cook, MN RAWS 96
LITTLEFORK RAWS Koochiching, MN RAWS 96
BIGFORK Itasca, MN AWOS 96
INTERNATIONAL FALLS Koochiching, MN ASOS 95
1 NNE HERMANTOWN St. Louis, MN AWS 95
COOK St. Louis, MN AWOS 95
4 SW ORR St. Louis, MN RAWS 95
1 W ISABELLA Lake, MN RAWS 95
2 W INO Bayfield, WI WIDOT 94
ELY St. Louis, MN AWOS 94
2 N HAUGEN Washburn, WI WIDOT 94
ORR St. Louis, MN AWOS 93
GRAND MARAIS AIRPORT Cook, MN AWOS 93
2 E BIRCHDALE Koochiching, MN MNDOT 93
4 ENE BRIMSON St. Louis, MN RAWS 93
SILVER BAY Lake, MN AWOS 92
BUOY 45028   MARITIME 88
DEVILS ISLAND Ashland, WI MARITIME 86
FRENCH RIVER St. Louis, MN MARITIME 83
THE BAY OF GRAND MARAIS Cook, MN ASOS 71
** These values are preliminary and from a variety of sources **

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



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