Climatological Report (Monthly)
Issued by NWS La Crosse, WI

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CXUS53 KARX 020333
CLMRST

CLIMATE REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
146 AM CDT MON JUN 1 2015

...TEMPERATURES IN ROCHESTER MINNESOTA IN THE MONTH OF MAY WERE SLIGHTLY BELOW
NORMAL AND PRECIPITATION WAS ABOVE NORMAL...

THE AVERAGE MONTHLY TEMPERATURE WAS 57.7 DEGREES. THIS WAS
-0.4 DEGREES BELOW NORMAL. THE AVERAGE HIGH TEMPERATURE WAS 67.0
DEGREES AND THE AVERAGE LOW TEMPERATURE WAS 48.4 DEGREES. THE
HIGHEST TEMPERATURE FOR THE MONTH WAS 83 DEGREES...WHICH OCCURRED
ON THE 3RD AND THE LOWEST TEMPERATURE WAS 35 DEGREES...WHICH
OCCURRED ON THE 19TH.

A TOTAL OF 5.25 INCHES OF PRECIPITATION FELL.  THIS WAS 1.62 INCHES
ABOVE THE NORMAL. THE GREATEST 24-HOUR PRECIPITATION TOTAL WAS 1.05
INCHES WHICH OCCURRED ON THE 6TH THROUGH THE 7TH.

THERE WAS ZERO INCHES OF SNOWFALL IN THE MONTH OF MAY. THE GREATEST
24 HOUR SNOWFALL AMOUNT WAS ZERO INCHES.

...RECORDS...

THERE WERE NO RECORDS BROKEN DURING THE MONTH OF MAY.

...DISCUSSION...

LOW PRESSURE ALONG THE WESTERN US PROVIDED A MOIST SOUTHWEST FLOW
INTO MUCH OF THE MONTH. THE SOUTHWEST FLOW WAS A SET UP FOR ABOVE
NORMAL PRECIPITATION. THERE WERE 16 OUT OF 31 DAYS HAVING
PRECIPITATION WITH TWO DAYS HAVING GREATER THAN ONE INCH OF
RAINFALL. THIS WAS THE 19TH WETTEST MAY IN ROCHESTER MN.

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

...THE ROCHESTER MN CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             106   05/31/1934
 LOW               20   05/17/1909
HIGHEST            83   05/03        MM      MM       86  05/30
                                                          05/26
LOWEST             35   05/19        MM      MM       35  05/14
AVG. MAXIMUM     67.0              68.7    -1.7     68.6
AVG. MINIMUM     48.4              47.4     1.0     47.1
MEAN             57.7              58.1    -0.4     57.9
DAYS MAX >= 90      0               0.4    -0.4        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.7    -0.7        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.26   2013
 MINIMUM         0.40   1934
TOTALS           5.25              3.63    1.62     1.78
DAILY AVG.       0.17              0.12    0.05     0.06
DAYS >= .01        16              12.4     3.6        9
DAYS >= .10        11               6.9     4.1        5
DAYS >= .50         5               2.3     2.7        1
DAYS >= 1.00        1               0.8     0.2        0
GREATEST
 24 HR. TOTAL    1.05   05/06 TO 05/07           05/11 TO 05/12
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31

SNOWFALL (INCHES)
RECORDS
 TOTAL           14.5   2013
 24 HR TOTAL       MM
TOTALS            0.0                 T     0.0      0.0
SINCE 7/1        50.4              51.9    -1.5     60.5
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.1    -0.1        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL      0.0   05/31 TO 05/31               0.0

DEGREE_DAYS
HEATING TOTAL     236               245      -9      251
 SINCE 7/1       8048              7670     378     8906
COOLING TOTAL      16                30     -14       39
 SINCE 1/1         16                34     -18       39
..................................................

WIND (MPH)
AVERAGE WIND SPEED              12.7
HIGHEST WIND SPEED/DIRECTION    39/180    DATE  05/06
HIGHEST GUST SPEED/DIRECTION    56/210    DATE  05/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                       8
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      2
HAZE                      3

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

$$



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