Duluth & International Falls May 2016 Monthly Climate Summaries & June Outlook

Duluth and International Falls May Climate Summary
and June Climate Outlook

THE DULUTH MN CLIMATE SUMMARY FOR THE MONTH OF MAY 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              95   05/30/1939
 LOW               16   05/03/1907
HIGHEST            92   05/06        MM      MM       83  05/27
LOWEST             28   05/15        MM      MM       32  05/20
                        05/14
AVG. MAXIMUM     65.0              62.2     2.8     61.9
AVG. MINIMUM     41.3              40.6     0.7     41.5
MEAN             53.2              51.4     1.8     51.7
DAYS MAX >= 90      1               0.0     1.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      5               4.2     0.8        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.99   1879
 MINIMUM         0.14   1976
TOTALS           1.87              3.23   -1.36     3.73
DAILY AVG.       0.06              0.10   -0.04     0.12
DAYS >= .01        13              12.3     0.7       17
DAYS >= .10         8               7.1     0.9        8
DAYS >= .50         0               1.9    -1.9        3
DAYS >= 1.00        0               0.5    -0.5        0
GREATEST
 24 HR. TOTAL    0.44                            05/10 TO 05/11

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
TOTALS            0.1               0.4    -0.3        T
SINCE 7/1        81.4              86.1    -4.7     49.2
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.1    -0.1        0
GREATEST
 SNOW DEPTH         TR  05/14                          0  MM
 24 HR TOTAL      0.1   05/13 TO 05/13

DEGREE_DAYS
HEATING TOTAL     370               426     -56      409
 SINCE 7/1       8044              9265   -1221     8982
COOLING TOTAL       9                 4       5        4
 SINCE 1/1          9                 4       5        4
..........................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    35/310    DATE  05/06
HIGHEST GUST SPEED/DIRECTION    46/310    DATE  05/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      6
HAZE                      4

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

MAY 2016 WAS WARMER WITH BELOW NORMAL PRECIPITATION AT DULUTH MN

THE AVERAGE TEMPERATURE FOR MAY WAS 53.2 DEGREES WHICH WAS 1.8
DEGREES ABOVE THE NORMAL OF 51.4 DEGREES MAKING THIS THE 15TH
WARMEST MAY IN STATION HISTORY. THE HIGHEST TEMPERATURE FOR THE
MONTH WAS 92 DEGREES ON THE 6TH. THE LOWEST TEMPERATURE WAS 28
DEGREES ON THE 14TH AND 15TH. ONE DAILY TEMPERATURE RECORD WAS
BROKEN FOR THE MONTH. THE RECORD HIGH TEMPERATURE OF 92 DEGREES WAS
RECORDED ON THE 6TH. THIS BREAKS THE OLD RECORD OF 82 DEGREES SET IN
2000. NINE DAYS HAD AVERAGE TEMPERATURES BELOW NORMAL.

MAY 2016 WAS BELOW NORMAL FOR PRECIPITATION WITH A TOTAL OF 1.87
INCHES OF PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 1.36 INCHES
BELOW THE NORMAL OF 3.23 INCHES. THE GREATEST AMOUNT OF
PRECIPITATION IN A 24 HOUR PERIOD OCCURRED ON THE 6TH WHEN 0.44
INCHES WAS RECORDED. AT LEAST A TRACE OF PRECIPITATION WAS RECORDED
ON 17 DAYS. AT LEAST 0.01 INCHES OF PRECIPITATION FELL ON 13 DAYS.
AT LEAST 0.10 INCHES FELL ON 8 DAYS. THERE WAS 0.1 INCHES OF SNOW
FOR THE MONTH WHICH IS 0.3 INCHES BELOW THE NORMAL OF 0.4 INCHES. NO
DAILY PRECIPITATION RECORDS WERE BROKEN FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 9.7 MPH. THE WINDIEST DAY
OF THE MONTH WAS ON THE 6TH WITH AN AVERAGE WIND OF 15.9 MPH. THE
HIGHEST SUSTAINED WIND OCCURRED ON THE 6TH WITH A WIND FROM THE
NORTHWEST AT 35 MPH. A PEAK WIND GUST OF 46 MPH WAS RECORDED ON THE
6TH. THERE WERE 370 HEATING DEGREE DAYS FOR THE MONTH WHICH WAS 56
BELOW THE NORMAL OF 426. THIS BROUGHT THE SEASONAL TOTAL TO 8044
WHICH WAS 1221 BELOW THE NORMAL OF 9265. THERE WERE 9 COOLING DEGREE
DAYS FOR THE MONTH WHICH WAS 5 ABOVE THE NORMAL  OF 4. THE SEASONAL
TOTAL COOLING DEGREE DAYS STANDS AT 9 WHICH WAS 5 ABOVE THE NORMAL
OF 4. THE HIGHEST SEA LEVEL PRESSURE FOR THE MONTH WAS 30.38 INCHES
REACHED ON THE 17TH AND THE LOWEST SEA LEVEL PRESSURE READING WAS
29.60 INCHES REACHED ON THE 6TH.

THE INTERNATIONAL FALLS MN CLIMATE SUMMARY FOR THE MONTH OF MAY 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              95   05/21/1964
 LOW               11   05/03/1967
HIGHEST            89   05/05        MM      MM       82  05/02
LOWEST             25   05/15        MM      MM       28  05/19
                                                          05/05
AVG. MAXIMUM     67.7              64.8     2.9     63.6
AVG. MINIMUM     38.2              38.7    -0.5     36.6
MEAN             52.9              51.8     1.1     50.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32     11               7.7     3.3        9
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.70   2013
 MINIMUM         1.84   2011
TOTALS           1.61              2.86   -1.25     4.79
DAILY AVG.       0.05              0.09   -0.04     0.15
DAYS >= .01        11              12.4    -1.4       15
DAYS >= .10         5               6.7    -1.7       12
DAYS >= .50         1               1.8    -0.8        5
DAYS >= 1.00        0               0.3    -0.3        1
GREATEST
 24 HR. TOTAL    0.73   05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL     367               419     -52      452
 SINCE 7/1       8828             10057   -1229    10134
COOLING TOTAL       2                 8      -6        0
 SINCE 1/1          2                 9      -7        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.1
HIGHEST WIND SPEED/DIRECTION    30/340    DATE  05/06
HIGHEST GUST SPEED/DIRECTION    40/330    DATE  05/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                     11

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

MAY 2016 WAS WARMER WITH BELOW NORMAL PRECIPITATION AT INTERNATIONAL FALLS MN

THE AVERAGE TEMPERATURE FOR MAY WAS 52.9 DEGREES WHICH WAS 1.1 DEGREES ABOVE
THE NORMAL OF 51.8 DEGREES MAKING THIS THE 25TH WARMEST MAY IN STATION
HISTORY. THE HIGHEST TEMPERATURE FOR THE MONTH WAS 89 DEGREES ON THE 5TH. THE
LOWEST TEMPERATURE WAS 25 DEGREES ON THE 15TH. ONE DAILY TEMPERATURE RECORD
WAS BROKEN FOR THE MONTH AND ANOTHER WAS TIED. ON THE 5TH THE RECORD HIGH OF
89 DEGREES WAS SET BREAKING THE OLD RECORD OF 86 DEGREES SET IN 1918. ON THE
6TH THE RECORD HIGH OF 86 DEGREES TIED THE HIGH OF 86 DEGREES SET IN 1918.

MAY 2016 WAS BELOW NORMAL FOR PRECIPITATION WITH A TOTAL OF 1.61 INCHES OF
PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 1.25 INCHES ABOVE THE NORMAL
OF 2.86 INCHES. THE GREATEST AMOUNT OF PRECIPITATION IN A 24 HOUR PERIOD 
OCCURRED ON THE 31ST WHEN 0.73 INCHES WAS RECORDED. AT LEAST A TRACE OF 
PRECIPITATION WAS RECORDED ON 17 DAYS. AT LEAST 0.01 OF AN INCH FELL ON 11
DAYS. AT LEAST 0.10 OF AN INCH FELL ON 5 DAYS. AT LEAST 0.50 OF AN INCH FELL
ON 1 DAY. THERE WAS TRACE OF SNOW FOR THE MONTH WHICH IS 0.2 INCHES BELOW THE
NORMAL OF 0.2 INCHES. NO DAILY PRECIPITATION RECORDS WERE BROKEN FOR THE
MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 7.1 MPH. THE WINDIEST DAY FOR THE
MONTH WAS ON THE 13TH WITH AN AVERAGE WIND OF 13.3 MPH. THE HIGHEST SUSTAINED
WIND OCCURRED ON THE 6TH WITH A SPEED OF 30 MPH OUT OF THE NORTH NORTHWEST. A
PEAK GUST OF 40 MPH FROM THE NORTH NORTHWEST WAS RECORDED ON THE 6TH. THERE
WERE 367 HEATING DEGREE DAYS FOR THE MONTH WHICH WAS 52 BELOW THE NORMAL OF
419. THIS BROUGHT THE SEASONAL TOTAL TO 8828 WHICH WAS 1229 BELOW THE NORMAL
OF 10057. THERE WERE 2 COOLING DEGREE DAYS FOR THE MONTH WHICH WAS 6 BELOW 
THE NORMAL OF 8. THE SEASONAL TOTAL COOLING DEGREE DAYS STANDS AT 2 WHICH IS
7 BELOW THE NORMAL OF 9. THE HIGHEST SEA LEVEL PRESSURE READING FOR THE MONTH
WAS 30.38 INCHES REACHED ON THE 17TH AND THE LOWEST SEA LEVEL PRESSURE
READING WAS 29.59 INCHES REACHED ON THE 23RD.

June Climate Outlook

Temperature Outlook

Precipitation Outlook

NORMAL HIGHS FOR DULUTH START IN THE MID TO UPPER 60S AND WARM TO THE
MID 70S AT THE END OF THE MONTH. NORMAL LOWS FOR THE MONTH START IN
THE MID 40S AND WARM TO THE LOW TO MID 50S AT THE END OF THE MONTH.
NORMAL PRECIPITATION FOR JUNE IS 4.23 INCHES.

NORMAL HIGHS FOR INTERNATIONAL FALLS START IN THE LOW 70S AND WARM TO 
THE MID 70S AT THE END OF THE MONTH. NORMAL LOWS FOR THE MONTH START
IN THE MID 40S AND WARM TO THE LOW 50S AT THE END OF THE MONTH. NORMAL
PRECIPITATION FOR JUNE IS 3.92 INCHES.

FOR BOTH LOCATIONS THE LATEST CPC OUTLOOK INDICATES THAT THERE IS NO CLEAR
INDICATION FOR ABOVE OR BELOW NORMAL TEMPERATURES AND PRECIPITATION FOR 
JUNE.

Duluth, MN

Normals for the Month of June (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)	60.1
The Normal, Monthly High Temperature (degrees F)	70.8
The Normal, Monthly Low Temperature (degrees F)	49.3

Normal Monthly Precipitation (inches)	4.23
Normal Monthly Snowfall (inches)	0.0

Normal number of days with Measurable Precipitation	12.6
Normal number of days with snow depth of 1 inch or greater	0.0

Normal Heating Degree Days	179
Normal Cooling Degree Days	30

Records for the Month of June
Warmest Month (Monthly Average Temperature)	65.5 in 1910
Coldest Month (Monthly Average Temperature)	53.0 in 1917
Highest Observed Temperature (degrees F)	97 on the 28^th in 1910
Lowest Observed High Temperature (degrees F)	37 on the 7^th in 1891 & on the 1^st and 2^nd in 1945
Lowest Observed Temperature (degrees F)	27 on the 10^th in 1972
Highest Observed Low Temperature (degrees F)	76 on the 30^th in 1931

Greatest Monthly Precipitation (inches)	10.89 in 1874
Least Monthly Precipitation (inches)	0.11 in 1910
Greatest Daily Precipitation (inches)	4.14 on the 19^th in 2012

Greatest Monthly Snowfall (inches)	0.2 in 1945
Least Monthly Snowfall (inches)	0.0 in multiple years
Greatest Daily Snowfall (inches)	0.2 on the 2nd in 1945
Greatest Measured Snow Depth (inches)	0 in multiple years

Greatest Measured Wind Speed (mph)	Missing

International Falls, MN

Normals for the Month of June (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)	60.8
The Normal, Monthly High Temperature (degrees F)	73.2
The Normal, Monthly Low Temperature (degrees F)	48.4

Normal Monthly Precipitation (inches)	3.92
Normal Monthly Snowfall (inches)	0

Normal number of days with Measurable Precipitation	13.7
Normal number of days with snow depth of 1 inch or greater	0

Normal Heating Degree Days	164
Normal Cooling Degree Days	38

Records for the Month of June
Warmest Month (Monthly Average Temperature)	68.1 in 1995
Coldest Month (Monthly Average Temperature)	53.3 in 1969
Highest Observed Temperature (degrees F)	101 on the 27^th in 1912
Lowest Observed High Temperature (degrees F)	45 on the 3^rd in 1920
Lowest Observed Temperature (degrees F)	23 on the 1^st in 1964
Highest Observed Low Temperature (degrees F)	71 on the 25^th in 2001

Greatest Monthly Precipitation (inches)	10.24 in 2014
Least Monthly Precipitation (inches)	0.70 in 1961
Greatest Daily Precipitation (inches)	4.15 on the 24^th in 1898

Greatest Monthly Snowfall (inches)	0.3 in 1969
Least Monthly Snowfall (inches)	0 in Multiple Years
Greatest 24 hr Snowfall (inches)	0.3 on the 2^nd in 1969
Greatest Measured Snow Depth (inches)	0.0

Greatest Measured Wind Speed (mph)	56 on the 21^st in 1988