National Weather Service United States Department of Commerce

Duluth and International Falls June Climate Summary

 and July Climate Outlook

THE DULUTH MN CLIMATE SUMMARY FOR THE MONTH OF JUNE 2016


CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              97   06/28/1910
 LOW               18   06/25/2015
HIGHEST            89   06/19        MM      MM       84  06/09
LOWEST             37   06/08        MM      MM       36  06/01
AVG. MAXIMUM     72.0              70.8     1.2     72.5
AVG. MINIMUM     50.9              49.3     1.6     50.3
MEAN             61.5              60.1     1.4     61.4
DAYS MAX >= 90      0               0.3    -0.3        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.2    -0.2        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.89   1874
 MINIMUM         0.11   1910
TOTALS           4.46              4.23    0.23     3.64
DAILY AVG.       0.15              0.14    0.01     0.12
DAYS >= .01        13              12.6     0.4       12
DAYS >= .10        12               8.2     3.8        7
DAYS >= .50         2               3.0    -1.0        2
DAYS >= 1.00        0               0.9    -0.9        1
GREATEST
 24 HR. TOTAL    1.39                            06/22 TO 06/22

DEGREE_DAYS
HEATING TOTAL     142               179     -37      121
 SINCE 7/1       8186              9444   -1258     9103
COOLING TOTAL      43                30      13       22
 SINCE 1/1         52                34      18       26
...................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    40/270    DATE  06/19
HIGHEST GUST SPEED/DIRECTION    51/280    DATE  06/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       8
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      7
HAZE                      7

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

  JUNE 2016 WAS WARMER WITH ABOVE NORMAL PRECIPITATION AT DULUTH MN

THE AVERAGE TEMPERATURE FOR JUNE WAS 61.5 DEGREES WHICH WAS 1.4
DEGREES ABOVE THE NORMAL OF 60.1 DEGREES MAKING THIS THE 18TH WARMEST
JUNE IN STATION HISTORY. THE HIGHEST TEMPERATURE FOR THE MONTH WAS 89
DEGREES ON THE 19TH. THE LOWEST TEMPERATURE WAS 37 DEGREES ON THE
8TH. NO DAILY TEMPERATURE RECORDS WERE BROKEN FOR THE MONTH. TEN DAYS
HAD AVERAGE TEMPERATURES BELOW NORMAL.

JUNE 2016 WAS BELOW NORMAL FOR PRECIPITATION WITH A TOTAL OF 4.46
INCHES OF PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 0.23 INCHES
ABOVE THE NORMAL OF 4.23 INCHES. THE GREATEST AMOUNT OF PRECIPITATION
IN A 24 HOUR PERIOD OCCURRED ON THE 14TH TO 15TH WHEN 1.39 INCHES WAS
RECORDED. AT LEAST A TRACE OF PRECIPITATION WAS RECORDED ON 20 DAYS.
AT LEAST 0.01 INCHES OF PRECIPITATION FELL ON 12 DAYS. AT LEAST 0.10
INCHES FELL ON 12 DAYS. AT LEAST 0.50 INCHES FELL ON 2 DAYS. NO DAILY
PRECIPITATION RECORDS WERE BROKEN FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 9.8 MPH. THE WINDIEST DAY
OF THE MONTH WAS ON THE 26TH WITH AN AVERAGE WIND OF 16.1 MPH. THE
HIGHEST SUSTAINED WIND OCCURRED ON THE 19TH WITH A WIND FROM THE
WEST AT 40 MPH. A PEAK WIND GUST OF 51 MPH WAS RECORDED ON THE 19TH.
THERE WERE 142 HEATING DEGREE DAYS FOR THE MONTH WHICH WAS 37 BELOW
THE NORMAL OF 179. THIS BROUGHT THE SEASONAL TOTAL TO 8186 WHICH WAS
1258 BELOW THE NORMAL OF 9444. THERE WERE 43 COOLING DEGREE DAYS FOR
THE MONTH WHICH WAS 13 ABOVE THE NORMAL  OF 30. THE SEASONAL TOTAL
COOLING DEGREE DAYS STANDS AT 52 WHICH WAS 18 ABOVE THE NORMAL OF
34. THE HIGHEST SEA LEVEL PRESSURE FOR THE MONTH WAS 30.31 INCHES
REACHED ON THE 12TH AND THE LOWEST SEA LEVEL PRESSURE READING WAS
29.60 INCHES REACHED ON THE 5TH.

 

 

THE INTERNATIONAL FALLS MN CLIMATE SUMMARY FOR THE MONTH OF JUNE 2016


CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              99   06/18/1995
                        06/17/1995
 LOW               23   06/01/1964
HIGHEST            85   06/19        MM      MM       82  06/27
                                                          06/26
                                                          06/25
LOWEST             30   06/08        MM      MM       30  06/01
AVG. MAXIMUM     72.2              73.2    -1.0     73.9
AVG. MINIMUM     47.2              48.4    -1.2     45.9
MEAN             59.7              60.8    -1.1     59.9
DAYS MAX >= 90      0               0.9    -0.9        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      1               0.3     0.7        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.24   2014
 MINIMUM         0.70   1961
TOTALS           6.92              3.92    3.00     3.20
DAILY AVG.       0.23              0.13    0.10     0.11
DAYS >= .01        15              13.7     1.3       13
DAYS >= .10        10               7.8     2.2        7
DAYS >= .50         5               2.5     2.5        3
DAYS >= 1.00        1               0.7     0.3        0
GREATEST
 24 HR. TOTAL    2.68   06/25 TO 06/25

DEGREE_DAYS
HEATING TOTAL     167               164       3      149
 SINCE 7/1       8995             10221   -1226    10283
COOLING TOTAL      19                38     -19        4
 SINCE 1/1         21                47     -26        4
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    38/320    DATE  06/25
HIGHEST GUST SPEED/DIRECTION    52/320    DATE  06/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      12
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      6
HAZE                      5

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

              JUNE 2016 WAS COOLER THAN NORMAL WITH ABOVE 
             NORMAL PRECIPITATION AT INTERNATIONAL FALLS MN

THE AVERAGE TEMPERATURE FOR JUNE WAS 59.7 DEGREES WHICH WAS 1.1 DEGREES
BELOW THE NORMAL OF 60.8 DEGREES. THE HIGHEST TEMPERATURE FOR THE MONTH 
WAS 85 DEGREES ON THE 19TH. THE LOWEST TEMPERATURE WAS 30 DEGREES ON THE
8TH. ONE DAILY TEMPERATURE RECORD WAS BROKEN FOR THE MONTH. ON THE 8TH THE
RECORD LOW OF 30 DEGREES WAS SET BREAKING THE OLD RECORD OF 31 DEGREES SET
IN 1978.

JUNE 2016 WAS ABOVE NORMAL FOR PRECIPITATION WITH A TOTAL OF 6.92 INCHES
OF PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 3.00 INCHES ABOVE THE 
NORMAL OF 3.92 INCHES MAKING THIS THE 8TH WETTEST JUNE IN STATION HISTORY
THE GREATEST AMOUNT OF PRECIPITATION IN A 24 HOUR PERIOD OCCURRED ON THE
25TH WHEN 2.68 INCHES WAS RECORDED. AT LEAST A TRACE OF PRECIPITATION WAS
RECORDED ON 16 DAYS. AT LEAST 0.01 OF AN INCH OF PRECIPITATION FELL ON 15
DAYS. AT LEAST 0.10 OF AN INCH FELL ON 10 DAYS. AT LEAST 0.50 OF AN INCH 
FELL ON 5 DAYS. AT LEAST 1.00 INCH FELL ON 1 DAY. NO DAILY PRECIPITATION
RECORDS WERE BROKEN FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 6.9 MPH. THE WINDIEST DAY FOR THE
MONTH WAS ON THE 20TH WITH AN AVERAGE WIND OF 13.2 MPH. THE HIGHEST
SUSTAINED WIND OCCURRED ON THE 25TH WITH A SPEED OF 38 MPH OUT OF THE
NORTHWEST. A PEAK GUST OF 52 MPH FROM THE NORTHWEST WAS RECORDED ON THE 
25TH. THERE WERE 167 HEATING DEGREE DAYS FOR THE MONTH WHICH WAS 3 ABOVE
THE NORMAL OF 164. THIS BROUGHT THE SEASONAL TOTAL TO 8995 WHICH WAS 1226
BELOW THE NORMAL OF 10221. THERE WERE 19 COOLING DEGREE DAYS FOR THE MONTH
WHICH WAS 19 BELOW THE NORMAL OF 38. THE SEASONAL TOTAL COOLING DEGREE 
DAYS STANDS AT 21 WHICH IS 26 BELOW THE NORMAL OF 47. THE HIGHEST SEA 
LEVEL PRESSURE READING FOR THE MONTH WAS 30.28 INCHES REACHED ON THE 28TH
AND THE LOWEST SEA LEVEL PRESSURE READING WAS 29.47 INCHES REACHED ON THE
25TH.

 

 

July Climate Outlook

Temperature Outlook Precipitation Outlook
NORMAL HIGHS FOR DULUTH ARE IN THE MID 70S. NORMAL LOWS FOR THE MONTH ARE
IN THE MID 50S. NORMAL PRECIPITATION FOR JULY IS 3.85 INCHES.
NORMAL HIGHS FOR INTERNATIONAL FALLS BEGIN THE MONTH IN THE MID 70S AND
WARM TO THE UPPER 70S AT THE END OF THE MONTH. NORMAL LOWS FOR THE MONTH
ARE IN THE LOW 50S. NORMAL PRECIPITATION FOR JULY IS 3.70 INCHES.
FOR BOTH LOCATIONS THE LATEST CLIMATE PREDICTION CENTER (CPC) OUTLOOK 
INDICATES THAT THERE IS A CHANCE OF ABOVE NORMAL TEMPERATURES FOR JULY, 
WITH NO CLEAR INDICATION FOR ABOVE OR BELOW NORMAL PRECIPITATION.

 

 

Duluth, MN

Normals for the Month of July
(The monthly climate normals are from a 30 year period defined by the Climate Prediction Center as 1981-2010)

  The Normal, Monthly Average Temperature (degrees F)

65.8

  The Normal, Monthly High Temperature (degrees F)

76.3

  The Normal, Monthly Low Temperature (degrees F)

55.4

 

 

  Normal Monthly Precipitation (inches)

3.85

  Normal Monthly Snowfall (inches)

0

 

 

  Normal number of days with Measurable Precipitation

11.8

  Normal number of days with snow depth of 1 inch or greater

0.0

 

 

  Normal Heating Degree Days

63

  Normal Cooling Degree Days

90

 

Records for the Month of July

  Warmest Month (Monthly Average Temperature)

71.9 in 2006 & 2012

  Coldest  Month (Monthly Average Temperature)

59.4 in 1992

  Highest Observed Temperature (degrees F)

106 on the 13th in 1936

  Lowest Observed High Temperature (degrees F)

49 on the 2nd in 1992

  Lowest Observed Temperature (degrees F)

35 on the 1st in 1988

  Highest Observed Low Temperature (degrees F)

79 on the 13th in 1936

 

 

  Greatest Monthly Precipitation (inches)

10.83 in 1909

  Least Monthly  Precipitation (inches)

0.47 in 1875

  Greatest Daily Precipitation (inches)

5.20 on the 21st in 1909

 

 

  Greatest Monthly Snowfall (inches)

0.0

  Least Monthly Snowfall (inches)

0.0

  Greatest 24 hr Snowfall (inches)

0.0

  Greatest Measured Snow Depth (inches)

0

 

 

  Greatest Measured Wind Speed (mph)

73 on the 22nd in 1952

 

International Falls, MN

Normals for the Month of July
(The monthly climate normals are from a 30 year period defined by the Climate Prediction Center as 1981-2010)

  The Normal, Monthly Average Temperature (degrees F)

65.2

  The Normal, Monthly High Temperature (degrees F)

77.8

  The Normal, Monthly Low Temperature (degrees F)

52.6

 

 

  Normal Monthly Precipitation (inches)

3.70

  Normal Monthly Snowfall (inches)

0.0

 

 

  Normal number of days with Measurable Precipitation

11.9

  Normal number of days with snow depth of 1 inch or greater

0.0

 

 

  Normal Heating Degree Days

70

  Normal Cooling Degree Days

76

 

Records for the Month of July

  Warmest Month (Monthly Average Temperature)

73.5 in 1923

  Coldest  Month (Monthly Average Temperature)

58.8 in 2009

  Highest Observed Temperature (degrees F)

103 on the 22nd in 1923

  Lowest Observed High Temperature (degrees F)

53 on the 2nd in 1992 & on the 16th in 2009

  Lowest Observed Temperature (degrees F)

32 on the 11th in 1911

  Highest Observed Low Temperature (degrees F)

79 on the 16th in 1898

 

 

  Greatest Monthly Precipitation (inches)

9.52 in 1966

  Least Monthly  Precipitation (inches)

1.0 in 1941

  Greatest Daily Precipitation (inches)

4.20 on the 2nd in 1966

 

 

  Greatest Monthly Snowfall (inches)

0.0

  Least Monthly Snowfall (inches)

0.0

  Greatest Daily Snowfall (inches)

0.0

  Greatest Measured Snow Depth (inches)

0.0

 

 

  Greatest Measured Wind Speed (mph)

62 on the 5th in 1989