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

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CXUS53 KARX 020247
CLSRST

CLIMATE REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
846 PM CDT SUN DEC 1 2019

...ROCHESTER MN METEOROLOGICAL AUTUMN CLIMATE SUMMARY...

AUTUMN OF 2019 WAS COLDER AND WETTER-THAN-NORMAL (WETTEST) AT
ROCHESTER, MN.  MORE DETAILS CAN BE FOUND BELOW.

TEMPERATURES...

FROM SEPTEMBER 1 THROUGH NOVEMBER 30, ROCHESTER INTERNATIONAL AIRPORT
HAD AN AVERAGE TEMPERATURE OF 45.7 DEGREES.  THIS WAS 2 DEGREES COLDER
THAN THE 1981-2010 NORMAL OF 47.7 DEGREES.  THE TABLE BELOW CONTAINS
THE MONTHLY AVERAGE TEMPERATURES AND THEIR DEPARTURES FROM NORMAL FOR
THE AUTUMN OF 2019.

           AUTUMN 2019 TEMPERATURES
               IN ROCHESTER MN

                  AVERAGE            DEPARTURE
   MONTH        TEMPERATURE         FROM NORMAL
   -----        -----------         -----------
   SEPTEMBER   65.1 DEGREES        +4.2 DEGREES - 2ND WARMEST
   OCTOBER     43.9 DEGREES        -4.5 DEGREES - TIED WITH 1959
                                                  FOR 13TH COLDEST
   NOVEMBER    28.1 DEGREES        -5.8 DEGREES

   AUTUMN      45.7 DEGREES        -2.0 DEGREES

THE AVERAGE HIGH TEMPERATURE WAS 53.8 DEGREES WHICH WAS 3.3 DEGREES
COLDER THAN THE 1981-2010 NORMAL OF 57.1 DEGREES.  THIS WAS THE
15TH COLDEST.

THE AVERAGE LOW TEMPERATURE WAS 37.5 DEGREES WHICH WAS 0.8 DEGREES
COLDER THAN THE 1981-2010 NORMAL OF 38.3 DEGREES.

THE WARMEST HIGH TEMPERATURE WAS 89 DEGREES ON SEPTEMBER 30.
THE COLDEST HIGH TEMPERATURE WAS 16 DEGREES ON NOVEMBER 12.

THE WARMEST LOW TEMPERATURE WAS 69 DEGREES ON SEPTEMBER 21.
THE COLDEST LOW TEMPERATURE WAS  0 DEGREES ON NOVEMBER 8.


PRECIPITATION...WETTEST

FROM SEPTEMBER 1 THROUGH NOVEMBER 30, ROCHESTER INTERNATIONAL AIRPORT
RECEIVED 16.95 INCHES OF PRECIPITATION.  THIS WAS 9.35 INCHES WETTER
THAN THE 1981-2010 NORMAL 7.60 INCHES.  THIS WAS THE WETTEST AUTUMN
IN ROCHESTER MN. THE PREVIOUS RECORD WAS 14.91 INCHES IN 1986.  THE
TABLE BELOW LISTS THE TOP TEN WETTEST AUTUMNS IN ROCHESTER MN.

              WETTEST AUTUMNS
              IN ROCHESTER MN
                 1886-2019

               PRECIPITATION
      RANK         TOTAL        YEAR
      ----     -------------    ----
        1      16.95 INCHES     2019
        2      14.91 INCHES     1986
        3      13.60 INCHES     2010
        4      13.48 INCHES     1911
        5      13.21 INCHES     2016
        6      12.82 INCHES     2018
        7      12.21 INCHES     1970
        8      11.81 INCHES     1973
        9      11.73 INCHES     1934
       10      11.64 INCHES     1972

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

          AUTUMN 2019 PRECIPITATION
               IN ROCHESTER MN

                PRECIPITATION         DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
   SEPTEMBER    8.35 INCHES         +4.90 INCHES - 4TH WETTEST
   OCTOBER      5.71 INCHES         +3.47 INCHES - 4TH WETTEST
   NOVEMBER     2.89 INCHES         +0.98 INCHES

   AUTUMN      16.95 INCHES         +9.35 INCHES - WETTEST

THE HIGHEST DAILY PRECIPITATION TOTAL WAS 2.70 INCHES ON SEPTEMBER 12.


SNOWFALL...7TH SNOWIEST

FROM SEPTEMBER 1 THROUGH NOVEMBER 30, ROCHESTER INTERNATIONAL AIRPORT
RECEIVED 13.4 INCHES OF SNOW.  THIS WAS 6.5 INCHES GREATER THAN THEIR
1981-2010 NORMAL OF 6.9 INCHES.  THIS WAS THEIR 7TH SNOWIEST AUTUMN.
THIS WAS THE SNOWIEST AUTUMN SINCE 1996 WHEN 17.5 INCHES OF SNOW FELL.
THE SNOWIEST AUTUMN OCCURRED IN 1991 WHEN 24.8 INCHES OF SNOW FELL.
THE TABLE BELOW LISTS THE TOP TEN WETTEST AUTUMNS IN ROCHESTER MN.

              WETTEST AUTUMNS
              IN ROCHESTER MN
                 1886-2019

                 SNOWFALL
      RANK         TOTAL        YEAR
      ----     -------------    ----
        1       24.8 INCHES     1991
        2       22.5 INCHES     1985
        3       17.5 INCHES     1996
        4       14.7 INCHES     1952
        5       14.0 INCHES     1983
                14.0 INCHES     1934
        7       13.4 INCHES     2019
        8       13.1 INCHES     1989
        9       12.6 INCHES     1947
       10       12.4 INCHES     1957

THE TABLE BELOW CONTAINS THE MONTHLY SNOWFALL TOTALS AND THEIR
DEPARTURES FROM NORMAL FOR THE AUTUMN OF 2019.

            AUTUMN 2019 SNOWFALL
               IN ROCHESTER MN

                  SNOWFALL            DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
   SEPTEMBER     0.0 INCHES           0.0 INCHES
   OCTOBER       0.3 INCHES          -0.5 INCHES
   NOVEMBER     13.1 INCHES          +7.0 INCHES

   AUTUMN       13.4 INCHES          +6.5 INCHES

THE HIGHEST DAILY SNOWFALL TOTAL WAS 4.4 INCHES ON NOVEMBER 26.
GREATEST SNOW DEPTH WAS 5 INCHES FROM NOVEMBER 27 AND NOVEMBER 28.

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

...THE ROCHESTER MN CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2019 TO 11/30/2019...

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             100   09/06/1913
 LOW              -24   11/28/1887
HIGHEST            89   09/30        MM      MM       92  09/17
LOWEST              0   11/08        MM      MM       -5  11/18
AVG. MAXIMUM     53.8              57.1    -3.3
AVG. MINIMUM     37.5              38.3    -0.8     35.8
MEAN             45.7              47.7    -2.0     44.5
DAYS MAX >= 90      0               0.2    -0.2        2
DAYS MAX <= 32     13               6.2     6.8       18
DAYS MIN <= 32     43              29.9    13.1       40
DAYS MIN <= 0       1               0.7     0.3        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS          16.95              7.60    9.35    12.82
DAILY AVG.       0.19              0.08    0.11
DAYS >= .01        43              28.6    14.4       33
DAYS >= .10        25              14.7    10.3       19
DAYS >= .50        11               4.5     6.5        8
DAYS >= 1.00        6               1.6     4.4        4
GREATEST
 24 HR. TOTAL    2.70   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS           13.4               6.9     6.5
 LIQUID EQUIV    1.34              0.70    0.64
SINCE 7/1        13.4               6.9     6.5
DAYS >= TRACE      15               6.1     8.9
DAYS >= 1.0         4               2.0     2.0
GREATEST
 SNOW DEPTH         5   11/28
                        11/27
 24 HR TOTAL      4.4   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1826              1633     193
 SINCE 7/1         MM              1672      MM
COOLING TOTAL      89                60      29
 SINCE 1/1        509               585     -76

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

WIND (MPH)
AVERAGE WIND SPEED              11.7
HIGHEST WIND SPEED/DIRECTION    45/230    DATE  09/24
HIGHEST GUST SPEED/DIRECTION    60/230    DATE  09/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           30
NUMBER OF DAYS PC             32
NUMBER OF DAYS CLOUDY         29

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             13     MIXED PRECIP               0
HEAVY RAIN               13     RAIN                      19
LT RAIN                  40     FREEZING RAIN              1
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               16     SLEET                      0
FOG                      51     FOG W/VIS <= 1/4 MILE      5
HAZE                      7

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

$$

BOYNE


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