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

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CXUS53 KARX 041013
CLSRST

CLIMATE REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
509 AM CDT WED SEP 4 2019

...2019 METEOROLOGICAL SUMMER SUMMARY FOR ROCHESTER MN...

DURING THE METEOROLOGICAL SUMMER (JUNE 1ST THROUGH AUGUST 31ST)
OF 2019, IT WAS SLIGHTLY COOLER AND MUCH WETTER-THAN-NORMAL AT
ROCHESTER INTERNATIONAL AIRPORT.

MORE DETAILS ARE LISTED BELOW...

TEMPERATURES...

DURING METEOROLOGICAL SUMMER, ROCHESTER INTERNATIONAL AIRPORT HAD AN
AVERAGE TEMPERATURE OF 68.4 DEGREES.  THIS WAS 1 DEGREE COOLER THAN
1981-2010 NORMAL OF 69.4 DEGREES.

THE AVERAGE MAXIMUM TEMPERATURE WAS 78.1 DEGREES.  THIS WAS
1.4 DEGREES COOLER THAN THE 1981-2010 NORMAL OF 79.5 DEGREES.

THE AVERAGE MINIMUM TEMPERATURE WAS 58.6 DEGREES.  THIS WAS 0.7 DEGREES
COOLER THAN THE 1981-2010 NORMAL OF 59.3 DEGREES.

THE TABLE BELOW PROVIDES A BREAKDOWN OF THE TEMPERATURE DEPARTURES
FROM NORMAL FOR ROCHESTER MN THIS SUMMER...

                  SUMMER 2019 TEMPERATURES
                       IN ROCHESTER MN

                                            DEPARTURE FROM
                                                NORMAL
                                            --------------
JUNE   MONTHLY AVG. TEMP       66.3 DEGREES  -1.3 DEGREES
       MONTHLY AVG. MAX TEMP   76.0 DEGREES  -2.0 DEGREES
       MONTHLY AVG. MIN TEMP   56.5 DEGREES  -0.7 DEGREES

JULY   MONTHLY AVG. TEMP       72.2 DEGREES  +0.8 DEGREES
       MONTHLY AVG. MAX TEMP   81.7 DEGREES  +0.3 DEGREES
       MONTHLY AVG. MIN TEMP   62.6 DEGREES  +1.3 DEGREES - 14TH WARMEST

AUGUST MONTHLY AVG. TEMP       66.7 DEGREES  -2.4 DEGREES
       MONTHLY AVG. MAX TEMP   76.7 DEGREES  -2.2 DEGREES - 19TH COLDEST
       MONTHLY AVG. MIN TEMP   56.7 DEGREES  -2.6 DEGREES

SUMMER SEASONAL AVG. TEMP      68.4 DEGREES  -1.0 DEGREE
       SEASONAL AVG. MAX TEMP  78.1 DEGREES  -1.4 DEGREES
       SEASONAL AVG. MIN TEMP  58.6 DEGREES  -0.7 DEGREES

OTHER TEMPERATURE TIDBITS THIS SUMMER...

THE HOTTEST TEMPERATURE WAS 90 DEGREES ON JULY 19.
THE COLDEST HIGH TEMPERATURE WAS 65 DEGREES ON JUNE 16.

THE COLDEST TEMPERATURE WAS 43 DEGREES ON JUNE 13.
THE WARMEST LOW TEMPERATURE WAS 74 DEGREES ON JULY 19.

THE TEMPERATURE REACHED 90 DEGREES ON 1 DAY.  NORMALLY THERE ARE 10 DAYS.

TEMPERATURES AVERAGED ABOVE NORMAL ON 51 DAYS, BELOW NORMAL ON 36 DAYS,
AND NORMAL TEMPERATURES ON 5 DAYS.


PRECIPITATION...

DURING THE METEOROLOGICAL SUMMER, ROCHESTER INTERNATIONAL AIRPORT RECEIVED
18 INCHES OF RAIN.  THIS WAS 4.25 INCHES WETTER THAN THE 1981-2010 NORMAL
OF 13.75 INCHES.

THE TABLE BELOW CONTAINS THE MONTHLY PRECIPITATION TOTALS AND THEIR
DEPARTURES FROM NORMAL FOR THIS SUMMER.

          SUMMER 2019 PRECIPITATION
               IN ROCHESTER MN

                PRECIPITATION         DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
   JUNE         9.08 INCHES         +4.40 INCHES - 4TH WETTEST
   JULY         7.38 INCHES         +2.83 INCHES - 8TH WETTEST
   AUGUST       1.54 INCHES         -2.98 INCHES - 12TH DRIEST

   SUMMER      18.00 INCHES         +4.25 INCHES - 11TH WETTEST

OTHER PRECIPITATION TIDBITS THIS SUMMER...

THE WETTEST DAY OCCURRED ON JUNE 29 WHEN 4.90 INCHES OF RAIN FELL.

MEASURABLE RAIN FELL ON 35 DAYS (38%) AND TRACE AMOUNTS FELL ON ANOTHER
11 DAYS (12%).

0.01 INCHES OR MORE - 35 DAYS
0.10 INCHES OR MORE - 23 DAYS
0.50 INCHES OR MORE - 11 DAYS
1.00 INCHES OR MORE -  5 DAYS

SKY...

IT WAS CLEAR ON 36 DAYS.
IT WAS PARTLY CLOUDY ON 48 DAYS.
IT WAS CLOUDY ON 8 DAYS.

SEA LEVEL PRESSURE...

HIGHEST WAS 30.30 INCHES ON AUGUST 31.
LOWEST WAS 29.56 INCHES ON AUGUST 18.

WINDS...

HIGHEST SUSTAINED WIND WAS 49 MPH FROM THE NORTHWEST ON JULY 20.
HIGHEST WIND GUST WAS 74 MPH FROM THE NORTH ON JULY 20.

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

...THE ROCHESTER MN CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2019 TO 8/31/2019...

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             108   07/14/1936
 LOW               31   06/09/1937
HIGHEST            90   07/19        MM      MM       92  06/17
LOWEST             43   06/13        MM      MM       49  08/30
                                                          06/04
AVG. MAXIMUM     78.1              79.5    -1.4
AVG. MINIMUM     58.6              59.3    -0.7     60.5
MEAN             68.4              69.4    -1.0     70.1
DAYS MAX >= 90      1               5.5    -4.5        4
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.14   2007
 MINIMUM         8.46   2012
TOTALS          18.00             13.75    4.25    12.48
DAILY AVG.       0.20              0.15    0.05
DAYS >= .01        35              32.2     2.8       40
DAYS >= .10        23              20.3     2.7       22
DAYS >= .50        11               9.6     1.4       10
DAYS >= 1.00        5               3.6     1.4        1
GREATEST
 24 HR. TOTAL    4.90   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS            0.0               0.0     0.0
 LIQUID EQUIV    0.00              0.00    0.00
SINCE 7/1         0.0               0.0     0.0
DAYS >= TRACE       0               0.0     0.0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL      66                90     -24
 SINCE 7/1         24                38     -14
COOLING TOTAL     403               491     -88
 SINCE 1/1        420               525    -105

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

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    49/340    DATE  07/20
HIGHEST GUST SPEED/DIRECTION    74/350    DATE  07/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           53
NUMBER OF DAYS PC             32
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             23     MIXED PRECIP               0
HEAVY RAIN               20     RAIN                      15
LT RAIN                  42     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      39     FOG W/VIS <= 1/4 MILE      3
HAZE                      2

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

$$

BOYNE


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