Duluth and International Falls spring Climate Summary
and summer Climate Outlook
THE DULUTH CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2017 TO 5/31/2017
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2017
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
.............................................................
TEMPERATURE (F)
RECORD
HIGH 95 05/30/1939
LOW -29 03/02/1989
HIGHEST 75 05/27 MM MM 92
LOWEST -9 03/03 MM MM -2
MEAN 39.6 39.0 0.6 40.9
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.93 2012
TOTALS 8.18 7.15 1.03 8.23
SNOWFALL (INCHES)
SINCE 7/1 67.0
DEGREE_DAYS
HEATING TOTAL 2317 2399 -82 2207
COOLING TOTAL 0 4 -4 9
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 10.2
HIGHEST WIND SPEED/DIRECTION 46/260 DATE 03/07
HIGHEST GUST SPEED/DIRECTION 60/260 DATE 03/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
Spring 2017 was warmer than normal with above normal precipitation at Duluth, MN The average temperature for the spring season was 39.6 degrees which was 0.6 degrees above the normal of 39.0 degrees. The highest temperature for the spring was 75 degrees on May 27th. The lowest temperature for the spring was -9 degrees on March 3rd. No monthly temperature records were broken for this spring. The spring of 2017 was above normal for precipitation with a total of 8.18 inches of precipitation recorded for the season. This was 1.03 inches above the normal of 7.15 inches. The greatest amount of precipitation in a 24 hour period occurred on May 16th when 1.40 inches was recorded. At least 0.01 inches of precipitation fell on 31 days. At least 0.10 inches of precipitation fell on 18 days. At least 0.50 inches fell on 6 days. At least 1.00 inches fell on 1 day. 8.0 inches of snow fell for the season which was 12.5 inches below the normal of 20.5 inches. This was the 13th least snowiest spring season on record. The greatest amount of snowfall in a 24 hour period occurred on March 16th to March 17th where 3.8 inches of snow was recorded. No monthly precipitation or snowfall records were broken this spring. The average wind speed for the spring was 10.2 mph. The highest sustained wind occurred on March 7th with a speed of 46 mph out of the west. The highest peak wind gust occurred on March 7th with a speed of 60 mph out of the west. There were 2317 heating degree days for the spring which was 82 below the normal of 2399. There were 0 cooling degree days for the spring which was 4 below the normal of 4. The highest sea level pressure reading for the spring was 30.71 inches reached on March 10th and the lowest sea level pressure reading was 29.03 inches reached on March 7th. |
THE INTERNATIONAL FALLS MN CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2017 TO 5/31/2017
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
.............................................................
TEMPERATURE (F)
RECORD
HIGH 95 05/21/1964
LOW -38 03/01/1962
HIGHEST 76 05/27 MM MM 89
05/26
LOWEST -15 03/03 MM MM -17
MEAN 37.7 38.2 -0.5 39.8
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.72 2013
TOTALS 3.87 5.34 -1.47 6.43
SNOWFALL (INCHES)
SINCE 7/1 70.4
DEGREE_DAYS
HEATING TOTAL 2490 2474 16 2296
COOLING TOTAL 0 9 -9 2
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.6
HIGHEST WIND SPEED/DIRECTION 32/240 DATE 03/07
HIGHEST GUST SPEED/DIRECTION 56/260 DATE 03/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
Spring 2017 was cooler with below normal precipitation at International Falls, MN The average temperature for the spring season was 37.7 degrees which was 0.5 degrees below the normal of 38.2 degrees. The highest temperature for the spring was 76 degrees on May 26th and May 27th. The lowest temperature for the spring was -15 degrees on March 3rd. No monthly temperature records were broken for this spring. The spring of 2017 was below normal for precipitation with a total of 3.87 inches of precipitation recorded for the season. This was 1.47 inches below the normal of 5.34 inches. This was the 17th driest spring on record. The greatest amount of precipitation in a 24 hour period occurred on May 28th when 0.73 inches was recorded. At least 0.01 inches of precipitation fell on 25 days. At least 0.10 inches of precipitation fell on 13 days. At least 0.50 inches fell on 1 day. 7.1 inches of snow fell for the season which was 7.1 inches below the normal of 14.2 inches. This was the 14th least snowiest spring season on record. The greatest amount of snowfall in a 24 hour period occurred on March 16th to March 17th where 3.8 inches of snow was recorded. No monthly precipitation or snowfall records were broken this spring. The average wind speed for the spring was 7.6 mph. The highest sustained wind occurred on March 7th with a speed of 32 mph out of the west. The highest peak wind gust occurred on March 7th with a speed of 56 mph out of the west. There were 2490 heating degree days for the spring which was 16 above the normal of 2474. There were 0 cooling degree days for the spring which was 9 below the normal of 9. The highest sea level pressure reading for the spring was 30.78 inches reached on March 10th and the lowest sea level pressure reading was 29.02 inches reached on March 6th. |
Summer Climate Outlook
(Summer season defined as June, July and August)
| Temperature Outlook | Precipitation Outlook |
 |
 |
|
Normal highs for Duluth start in the mid 60s in early June and warm to the upper 70s by mid July. By the end of August normal highs cool to the low 70s. Normal lows start in the mid 40s and warm to the mid 50s by early July. By the end of August normal lows cool to the low 50s. Normal precipitation for the summer is 11.78 inches. Normal highs for International Falls start in the low 70s in early June and peak to the upper 70s during July. By the end of August normal highs cool to the low 70s. Normal lows start in the mid 40s and warm to the low 50s by late June. By the end of August normal lows cool to the upper 40s. Normal precipitation for the summer is 10.43 inches. For both locations the latest Climate Prediction Center (CPC) outlook indicates that there is no clear indication for above or below normal temperatures or precipitation for the summer. |
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Duluth, MN
|
Normals for the summer season |
|
|
The Normal, Seasonal Average Temperature (degrees F) |
63.4 |
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Normal Seasonal Precipitation (inches) |
11.78 |
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Normal Seasonal Snowfall (inches) |
0 |
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Normal Heating Degree Days |
329 |
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Normal Cooling Degree Days |
186 |
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Records for the summer season |
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Warmest Season (Seasonal Average Temperature) |
67.4 in 2012 |
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Coldest Season (Seasonal Average Temperature) |
58.8 in 1992 |
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Greatest Seasonal Precipitation (inches) |
20.91 in 1873 |
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Least Seasonal Precipitation (inches) |
3.94 in 1936 |
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Greatest Seasonal Snowfall (inches) |
0.2 in 1945 |
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Least Seasonal Snowfall (inches) |
0 in multiple years |
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International Falls, MN
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Normals for the summer season |
|
|
The Normal, Seasonal Average Temperature (degrees F) |
63.1 |
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Normal Seasonal Precipitation (inches) |
10.43 |
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Normal Seasonal Snowfall (inches) |
0.0 |
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Normal Heating Degree Days |
346 |
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Normal Cooling Degree Days |
173 |
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Records for the summer season |
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Warmest Season (Seasonal Average Temperature) |
67.1 in 1921 & in 1973 |
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Coldest Season (Seasonal Average Temperature) |
58.3 in 2004 |
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Greatest Seasonal Precipitation (inches) |
18.99 in 1942 |
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Least Seasonal Precipitation (inches) |
4.95 in 1910 |
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Greatest Seasonal Snowfall (inches) |
0.3 in 1969 |
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Least Seasonal Snowfall (inches) |
0 in multple years |
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