Climatological Report (Monthly)
Issued by NWS Duluth, MN

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CXUS53 KDLH 021850
CLMINL


CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
140 PM CDT TUE MAY 2 2017

...................................

...THE INTERNATIONAL FALLS MN CLIMATE SUMMARY FOR THE MONTH OF APRIL 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  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              93   04/27/1952
 LOW              -14   04/03/1954
HIGHEST            68   04/08        MM      MM       77  04/16
LOWEST             18   04/11        MM      MM        6  04/09
AVG. MAXIMUM     51.9              51.5     0.4     47.9
AVG. MINIMUM     27.6              27.1     0.5     26.6
MEAN             39.8              39.3     0.5     37.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      2               1.5     0.5        5
DAYS MIN <= 32     25              21.8     3.2       20
DAYS MIN <= 0       0               0.2    -0.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.53 1925
 MINIMUM         0.08 1987
TOTALS           1.58              1.53    0.05     2.11
DAILY AVG.       0.05              0.05    0.00     0.07
DAYS >= .01         8               8.7    -0.7       15
DAYS >= .10         5               4.1     0.9        5
DAYS >= .50         1               0.8     0.2        1
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.67   04/24 TO 04/24

SNOWFALL (INCHES)
RECORDS
 TOTAL           23.5 2008
TOTALS            2.6               6.4    -3.8      4.9
SINCE 7/1        70.4              70.8    -0.4     47.7
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         1               1.7    -0.7        1
GREATEST
 SNOW DEPTH         2   04/28                          3  04/06
                        04/27
 24 HR TOTAL      1.4   MM

DEGREE_DAYS
HEATING TOTAL     749               772     -23      826
 SINCE 7/1       8480              9638   -1158     8461
COOLING TOTAL       0                 1      -1        0
 SINCE 1/1          0                 1      -1        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
HIGHEST WIND SPEED/DIRECTION    25/330    DATE  04/22
HIGHEST GUST SPEED/DIRECTION    33/210    DATE  04/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                5     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      7

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

$$

.APRIL 2017 WAS WARMER AND WETTER THAN NORMAL AT INTERNATIONAL FALLS
MN...

THE AVERAGE TEMPERATURE FOR APRIL WAS 39.8 DEGREES WHICH WAS 0.5
DEGREES ABOVE THE NORMAL OF 39.3 DEGREES MAKING THIS THE 31ST
WARMEST APRIL IN STATION HISTORY. THE HIGHEST TEMPERATURE FOR THE
MONTH WAS 68 DEGREES ON THE 8TH. THE LOWEST TEMPERATURE WAS 18
DEGREES ON THE 11TH. ONE DAILY TEMPERATURE RECORD WAS BROKEN FOR THE
MONTH. THE RECORD COLDEST HIGH TEMPERATURE OF 29 DEGREES WAS
RECORDED ON THE 27TH. THIS BREAKS THE PREVIOUS RECORD OF 32 DEGREES
SET IN 1909 AND 2008. THIRTEEN DAYS HAD AVERAGE TEMPERATURES BELOW
NORMAL.

APRIL 2017 WAS WETTER THAN NORMAL WITH A TOTAL OF 1.58 INCHES OF
PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 0.05 INCHES ABOVE THE
NORMAL OF 1.53 INCHES MAKING THIS THE 42ND WETTEST APRIL IN RECORDED
HISTORY. THE GREATEST AMOUNT OF PRECIPITATION IN A 24 HOUR PERIOD
OCCURRED ON THE 24TH WHEN 0.67 INCHES WAS RECORDED. AT LEAST A TRACE
OF PRECIPITATION WAS RECORDED ON 11 DAYS. AT LEAST 0.01 OF AN INCH
OF PRECIPITATION FELL ON 8 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 2.6 INCHES
OF SNOW FOR THE MONTH WHICH IS 3.8 INCHES BELOW THE NORMAL OF 6.4
INCHES WHICH MADE IT THE 29TH LEAST SNOWIEST APRIL IN STATION
HISTORY. THE GREATEST AMOUNT OF SNOWFALL IN A 24 HOUR PERIOD
OCCURRED ON THE 26TH WHERE 1.4 INCHES OF SNOW WAS RECORDED. NO DAILY
PRECIPITATION RECORDS WERE BROKEN FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 7.4 MPH. THE WINDIEST DAY
FOR THE MONTH WAS ON THE 26TH WITH AN AVERAGE WIND OF 14.5 MPH. THE
HIGHEST SUSTAINED WIND OCCURRED ON THE 22ND WITH A SPEED OF 25 MPH
OUT OF THE NORTHWEST. A PEAK GUST OF 33 MPH FROM THE SOUTHWEST WAS
RECORDED ON THE 2ND. THERE WERE 749 HEATING DEGREE DAYS FOR THE
MONTH WHICH WAS 23 BELOW THE NORMAL OF 772. THIS BROUGHT THE
SEASONAL TOTAL TO 8480 WHICH WAS 1158 BELOW THE NORMAL OF 9638.
THERE WERE 0 COOLING DEGREE DAYS FOR THE MONTH WHICH WAS 1 BELOW THE
NORMAL OF 1. THE SEASONAL TOTAL COOLING DEGREE DAYS STANDS AT 0
WHICH IS NEAR NORMAL. THE HIGHEST SEA LEVEL PRESSURE READING FOR THE
MONTH WAS 30.41 INCHES REACHED ON THE 29TH AND THE LOWEST SEA LEVEL
PRESSURE READING WAS 29.45 INCHES REACHED ON THE 8TH.

THE OUTLOOK FOR MAY...NORMAL HIGHS BEGIN THE MONTH IN THE LOW 60S
AND WARM TO THE UPPER 60S AT THE END OF THE MONTH. NORMAL LOWS FOR
THE MONTH START IN THE MID 30S AND WARM TO THE MID 40S AT THE END OF
THE MONTH. NORMAL PRECIPITATION FOR MAY IS 2.86 INCHES. THE LATEST
CLIMATE PREDICTION CENTER OUTLOOK INDICATES NO CLEAR INDICATION FOR
ABOVE OR BELOW NORMAL TEMPERATURES OR PRECIPITATION FOR MAY.

$$

WM/WL



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