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

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CXUS53 KARX 012318
CLSRST

CLIMATE REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
617 PM CST MON JUN 1 2015

...A SLIGHTLY WARMER AND WETTER-THAN-NORMAL SPRING AT ROCHESTER MN...

DURING THE SPRING OF 2015...BOTH TEMPERATURES AND PRECIPITATION WERE
ABOVE-NORMAL AT ROCHESTER INTERNATIONAL AIRPORT.  IT WAS THE 13TH WETTEST
SPRING IN ROCHESTER MN. MORE DETAILS ON THESE STATISTICS CAN BE FOUND BELOW.

TEMPERATURES -

FROM MARCH 1ST THROUGH MAY 31ST...ROCHESTER INTERNATIONAL AIRPORT HAD AN
AVERAGE TEMPERATURE OF 45.9 DEGREES.  THIS WAS 0.2 DEGREES WARMER THAN
THE 1981-2010 NORMAL OF 45.7 DEGREES.  THE TABLE BELOW CONTAINS THE MONTHLY
 TEMPERATURES AND THEIR DEPARTURES FROM NORMAL FOR THE SPRING OF 2014.

           SPRING 2015 TEMPERATURES
               IN ROCHESTER MN

                  AVERAGE            DEPARTURE
   MONTH        TEMPERATURE         FROM NORMAL
   -----        -----------         -----------
   MARCH       32.5 DEGREES        +0.1 DEGREES
   APRIL       47.7 DEGREES        +1.0 DEGREE
   MAY         57.7 DEGREES        -0.4 DEGREES

   SPRING      45.9 DEGREES        +0.2 DEGREES

THE AVERAGE HIGH TEMPERATURE WAS 55.8 DEGREES.  THIS WAS 0.4 DEGREES
WARMER THE 1981-2010 NORMAL OF 55.4 DEGREES.

THE AVERAGE LOW TEMPERATURE WAS 36.1 DEGREES.  THIS WAS 0.1 DEGREES
ABOVE THE NORMAL OF 36.0 DEGREES.

THE DAILY TEMPERATURES AVERAGED ABOVE NORMAL ON 50 DAYS (54.3 PERCENT)...
BELOW NORMAL ON 40 DAYS (43.5 PERCENT)...AND NORMAL ON 2 DAYS (2.1 PERCENT).

THE WARMEST HIGH TEMPERATURE WAS 83 DEGREES ON MAY 3RD.
THE COLDEST HIGH TEMPERATURE WAS  9 DEGREES ON MARCH 5TH.

THE WARMEST LOW TEMPERATURE WAS 61 DEGREES ON MAY 7TH.
THE COLDEST LOW TEMPERATURE WAS -12 DEGREES ON MARCH 5TH.

NUMBER OF DAYS WITH...

     MAXIMUM TEMPERATURE 32 DEGREES OR BELOW       8 DAYS
     MAXIMUM TEMPERATURE 90 DEGREES OR ABOVE       0 DAYS
     MINIMUM TEMPERATURE 32 DEGREES OR BELOW      29 DAYS
     MINIMUM TEMPERATURE  0 DEGREES OR BELOW       2 DAYS


PRECIPITATION - 13TH WETTEST SPRING

FROM MARCH 1ST THROUGH MAY 31ST...ROCHESTER INTERNATIONAL AIRPORT
RECEIVED 11.25 INCHES OF PRECIPITATION.  THIS WAS 2.50 INCHES WETTER
THAN THE 1981-2010 NORMAL OF 8.75 INCHES. FIVE OF THE 20 WARMEST
SPRINGS HAVE OCCURRED SINCE 2000. THE TABLE BELOW LISTS THE
20 WETTEST SPRINGS.

            WETTEST SPRINGS
            IN ROCHESTER MN
               1886-2015

  RANK        PRECIPITATION       YEAR
  ----        -------------       ----
    1         21.90 INCHES        2013
    3         15.37 INCHES        2001
    4         15.09 INCHES        1888
    5         14.57 INCHES        1990
    6         12.85 INCHES        1982
    7         12.60 INCHES        1999
    8         12.37 INCHES        1973
    9         12.06 INCHES        1938
   10         11.91 INCHES        1991
   11         11.80 INCHES        1993
   12         11.46 INCHES        2011
   13         11.25 INCHES        2015
   14         11.16 INCHES        1951
   15         10.93 INCHES        2004
   16         10.91 INCHES        1965
   17         10.86 INCHES        1942
   18         10.61 INCHES        1930
   19         10.56 INCHES        1970
   20         10.49 INCHES        1954

THE TABLE BELOW CONTAINS THE MONTHLY PRECIPITATION TOTALS AND THEIR
DEPARTURES FROM NORMAL FOR THE SPRING OF 2015.

          SPRING 2015 PRECIPITATION
               IN ROCHESTER MN

                PRECIPITATION         DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
   MARCH        1.07 INCHES         -0.81 INCHES
   APRIL        4.93 INCHES         +1.69 INCHES
   MAY          5.25 INCHES         +1.62 INCHES

   SPRING      11.25 INCHES         +2.50 INCHES

THE WETTEST SPRING DAY WAS 1.34 INCHES ON APRIL 9TH.

MEASURABLE RAIN (0.01 INCHES OR GREATER) FELL ON 36 DAYS AND TRACE
AMOUNTS FELL ON 8 OTHER DAYS.

NUMBER OF DAYS WITH...

       0.01 INCHES OR MORE       36 DAYS
       0.10 INCHES OR MORE       21 DAYS
       0.50 INCHES OR MORE        9 DAYS
       1.00 INCHES OR MORE        3 DAYS

SNOWFALL -

FROM MARCH 1ST THROUGH MAY 31ST...THE SNOW OBSERVER NEAR ROCHESTER
INTERNATIONAL AIRPORT RECORDED 12.4 INCHES OF SNOW. THIS WAS 0.4 INCHES
ABOVE THE 1981-2010 NORMAL OF 12.0 INCHES.  THE TABLE BELOW CONTAINS
THE MONTHLY SNOWFALL TOTALS AND THEIR DEPARTURES FROM NORMAL FOR THE
SPRING OF 2015.

             SPRING 2015 SNOWFALL
               IN ROCHESTER MN

                   SNOWFALL           DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
   MARCH        10.9 INCHES          +2.2 INCHES
   APRIL         1.5 INCHES          -1.8 INCHES
   MAY           0.0 INCHES           0.0 INCHES

   SPRING       12.4 INCHES          +0.4 INCHES

THE SNOWIEST DAY WAS 7.4 INCHES ON MARCH 22ND.
MEASURABLE SNOW FELL ON 6 DAYS AND TRACE AMOUNTS FELL ON ANOTHER 4 DAYS.

SNOW DEPTH -

THE AVERAGE SNOW DEPTH WAS 1.2 INCHES.  THIS EQUALLED THE LONG-TERM
AVERAGE OF 1.2 INCHES.

THE GREATEST SNOW DEPTH WAS 10 INCHES ON MARCH 25TH.

WINDS -

AVERAGE WIND SPEED WAS 13.0 MPH.

THE HIGHEST SUSTAINED WIND WAS 39 MPH FROM THE SOUTH ON MAY 6TH.

THE HIGHEST WIND GUST WAS 56 MPH FROM THE SOUTHWEST ON MAY 6TH.

CLOUD COVER -

NUMBER OF DAYS...

        CLEAR            0 TO  3 TENTHS       45 DAYS
        PARTLY CLOUDY    4 TO  7 TENTHS       28 DAYS
        CLOUDY           8 TO 10 TENTHS       19 DAYS

BAROMETRIC PRESSURE -

THE LOWEST SEA LEVEL PRESSURE WAS 29.46 INCHES ON APRIL 20TH.
THE HIGHEST SEA LEVEL PRESSURE WAS 30.61 INCHES ON MARCH 5TH.

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

...THE ROCHESTER MN CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2015 TO 5/31/2015...

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              -31   03/01/1962
HIGHEST            83   05/03        MM      MM       86  05/30
                                                          05/26
LOWEST            -12   03/05        MM      MM      -15  03/02
AVG. MAXIMUM     55.8              55.4     0.4
AVG. MINIMUM     36.1              36.0     0.1     32.2
MEAN             46.0              45.7     0.3     41.4
DAYS MAX >= 90      0               0.4    -0.4        0
DAYS MAX <= 32      8               6.7     1.3       15
DAYS MIN <= 32     29              32.6    -3.6       42
DAYS MIN <= 0       2               1.3     0.7        3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS          11.25              8.75    2.50     8.57
DAILY AVG.       0.12              0.10    0.02
DAYS >= .01        36              33.8     2.2       40
DAYS >= .10        21              18.6     2.4       21
DAYS >= .50         9               5.5     3.5        6
DAYS >= 1.00        3               1.6     1.4        0
GREATEST
 24 HR. TOTAL    1.58   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS           12.4              12.0     0.4
 LIQUID EQUIV    1.24                MM      MM
SINCE 7/1        50.4              51.9    -1.5
DAYS >= TRACE      10               8.4     1.6
DAYS >= 1.0         3               3.3    -0.3
GREATEST
 SNOW DEPTH        10   03/25
 24 HR TOTAL      7.4   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1753              1809     -56
 SINCE 7/1         MM              7670      MM
COOLING TOTAL      16                34     -18
 SINCE 1/1         16                34     -18

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              13.0
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           0.40
NUMBER OF DAYS FAIR           49
NUMBER OF DAYS PC             21
NUMBER OF DAYS CLOUDY         22

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             13     MIXED PRECIP               0
HEAVY RAIN               12     RAIN                      16
LIGHT RAIN               34     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                9     SLEET                      1
FOG                      44     FOG W/VIS <= 1/4 MILE      6
HAZE                     14

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

$$

BOYNE


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