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

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CXUS53 KARX 030830
CLSRST

CLIMATE REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
330 AM CST MON JUN 3 2019

...ANOTHER COLD AND WET METEOROLOGICAL SPRING AT ROCHESTER MN...

DURING THE METEOROLOGICAL SPRING OF 2019, IT WAS COLD (4.2F
COLDER THAN THE 1981-2010 NORMAL) AND WET (4TH WETTEST AND 6TH TIME
THIS DECADE TO BE AMONG THE 25 WETTEST SPRINGS) AT ROCHESTER
INTERNATIONAL AIRPORT.  MORE DETAILS ON THESE STATISTICS CAN BE
FOUND BELOW.

TEMPERATURES -

FROM MARCH 1ST THROUGH MAY 31ST, ROCHESTER INTERNATIONAL AIRPORT
HAD AN AVERAGE TEMPERATURE OF 41.5 DEGREES.  THIS WAS 4.2 DEGREES
COLDER THAN THE 1981-2010 NORMAL OF 45.7 DEGREES.

THE AVERAGE HIGH TEMPERATURE WAS 50.7F.  THIS WAS 4.7F COLDER
THAN THE 1981-2010 NORMAL OF 55.4F.

THE AVERAGE LOW TEMPERATURE WAS 32.4F.  THIS WAS 3.6F COLDER
THAN THE 1981-2010 NORMAL OF 36.0F.

THE TABLE BELOW CONTAINS THE MONTHLY TEMPERATURES AND THEIR
DEPARTURES FROM NORMAL FOR THE SPRING OF 2019.

           SPRING 2019 TEMPERATURES
               IN ROCHESTER MN

                  AVERAGE            DEPARTURE
   MONTH        TEMPERATURE         FROM NORMAL
   -----        -----------         -----------
   MARCH       25.9 DEGREES        -6.5 DEGREES
   APRIL       44.8 DEGREES        -1.9 DEGREES
   MAY         53.9 DEGREES        -4.2 DEGREES

   SPRING      41.5 DEGREES        -4.2 DEGREES

THE WARMEST HIGH TEMPERATURE WAS 86F ON MAY 31.
THE COLDEST HIGH TEMPERATURE WAS -1F ON MARCH 3.

THE WARMEST LOW TEMPERATURE WAS 58F ON MAY 16 AND MAY 31.
THE COLDEST LOW TEMPERATURE WAS -17F ON MARCH 3 AND MARCH 4.

MAXIMUM TEMPERATURE <= 32 ON 11 DAYS
MAXIMUM TEMPERATURE >= 90 ON 0 DAYS

MINIMUM TEMPERATURE <= 32 ON 38 DAYS
MINIMUM TEMPERATURE <=  0 ON  6 DAYS

PRECIPITATION - 4TH WETTEST

FROM MARCH 1ST THROUGH MAY 31ST, ROCHESTER INTERNATIONAL AIRPORT
RECEIVED 14.82 INCHES OF PRECIPITATION.  THIS WAS 6.07 INCHES
WETTER THAN THE 1981-2010 NORMAL OF 8.75 INCHES.  THIS WAS THE
4TH WETTEST SPRING.  THIS IS THE 6TH TIME THIS DECADE (2011, 2013,
2015, 2016, 2017, AND 2019) AND THE 8TH TIME THIS CENTURY THAT A
SPRING HAS BEEN AMONG THE 25 WETTEST SPRINGS. BELOW ARE THE
10 WETTEST SPRINGS IN ROCHESTER MN.

           WETTEST SPRINGS
           IN ROCHESTER MN
               1886-2019

          PRECIPITATION
  RANK        TOTAL          YEAR
  ----     ------------      ----
    1      21.90 INCHES      2013
    2      15.87 INCHES      2001
    3      15.09 INCHES      1888
    4      14.82 INCHES      2019
    5      14.57 INCHES      1990
    6      14.35 INCHES      1945
    7      12.85 INCHES      1982
    8      12.60 INCHES      1999
    9      12.37 INCHES      1973
   10      12.06 INCHES      1938

THE TABLE BELOW CONTAINS THE MONTHLY PRECIPITATION TOTALS AND
THEIR DEPARTURES FROM NORMAL FOR THE SPRING OF 2019.

          SPRING 2019 PRECIPITATION
               IN ROCHESTER MN

                PRECIPITATION         DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
   MARCH        1.47 INCHES         -0.41 INCHES
   APRIL        3.93 INCHES         +0.69 INCHES
   MAY          9.42 INCHES         +5.79 INCHES - 2ND WETTEST

   SPRING      14.82 INCHES         +6.07 INCHES - 4TH WETTEST

THE WETTEST DAY WAS MAY 27TH WHEN 3.33 INCHES OF RAIN FELL.

MEASURABLE PRECIPITATION FELL ON 39 DAYS (42.4%) AND TRACE AMOUNTS
ON 10 DAYS (10.9%).


SNOWFALL -

FROM MARCH 1ST THROUGH MAY 31ST, THE SNOW OBSERVER NEAR ROCHESTER
INTERNATIONAL AIRPORT RECORDED 13.0 INCHES OF SNOW. THIS WAS 1 INCH
SNOWIER THAN 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 2019.

             SPRING 2019 SNOWFALL
               IN ROCHESTER MN

                   SNOWFALL           DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
   MARCH         4.8 INCHES          -3.9 INCHES
   APRIL         8.2 INCHES          +4.9 INCHES
   MAY           0.0 INCHES           0.0 INCHES

   SPRING       13.0 INCHES          +1.0 INCH

THE SNOWIEST DAY WAS ON APRIL 10 WHEN 4.1 INCHES OF SNOW FELL.

MEASURABLE SNOW FELL ON 9 DAYS (9.8%) AND TRACE AMOUNTS ON
9 DAYS (9.8%).

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

...THE ROCHESTER MN CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2019 TO 5/31/2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2019

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            86   05/31        MM      MM       95  05/28
LOWEST            -17   03/04        MM      MM        5  03/08
                        03/03
AVG. MAXIMUM     50.7              55.4    -4.7
AVG. MINIMUM     32.4              36.0    -3.6     33.5
MEAN             41.5              45.7    -4.2     43.1
DAYS MAX >= 90      0               0.4    -0.4        6
DAYS MAX <= 32     11               6.7     4.3       14
DAYS MIN <= 32     38              32.6     5.4       52
DAYS MIN <= 0       6               1.3     4.7        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS          14.82              8.75    6.07     9.28
DAILY AVG.       0.16              0.10    0.06
DAYS >= .01        39              33.8     5.2       30
DAYS >= .10        22              18.6     3.4       19
DAYS >= .50         9               5.5     3.5        5
DAYS >= 1.00        5               1.6     3.4        3
GREATEST
 24 HR. TOTAL    3.33   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS           13.0              12.0     1.0
 LIQUID EQUIV    1.30                MM      MM
SINCE 7/1        86.8              51.9    34.9
DAYS >= TRACE      18               8.4     9.6
DAYS >= 1.0         6               3.3     2.7
GREATEST
 SNOW DEPTH        25   03/02
 24 HR TOTAL      4.1   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    2157              1809     348
 SINCE 7/1         MM              7670      MM
COOLING TOTAL      17                34     -17
 SINCE 1/1         17                34     -17

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

WIND (MPH)
AVERAGE WIND SPEED              12.0
HIGHEST WIND SPEED/DIRECTION    39/080    DATE  04/11
HIGHEST GUST SPEED/DIRECTION    56/070    DATE  04/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           40
NUMBER OF DAYS PC             24
NUMBER OF DAYS CLOUDY         28

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               1
HEAVY RAIN                8     RAIN                      14
LIGHT RAIN               40     FREEZING RAIN              2
LT FREEZING RAIN          4     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               18     SLEET                      1
FOG                      49     FOG W/VIS <= 1/4 MILE      7
HAZE                      9

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

$$

BOYNE


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