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

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CXUS53 KARX 020322
CLSRST

CLIMATE REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
921 PM CST FRI MAR 1 2019

...METEOROLOGICAL WINTER IN ROCHESTER MN...

DURING METEOROLOGICAL WINTER (DECEMBER 1 THROUGH FEBRUARY 28),
IT WAS COLDER-THAN-NORMAL (15.7F OR 2.8F COLDER-THAN-NORMAL)
AND THE WETTEST (6.30" OR 3.38" WETTER-THAN-NORMAL) AND
SNOWIEST WINTER (68.2" OR 33" SNOWIER-THAN-NORMAL).THE
INFORMATION BELOW PROVIDES MORE DETAILS ON THESE STATISTICS.

TEMPERATURES...COLDER-THAN-NORMAL

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, ROCHESTER INTERNATIONAL
AIRPORT HAD AN AVERAGE TEMPERATURE OF 15.7F.  THIS WAS 2.8F
COLDER THAN THE 1981-2010 WINTER NORMAL OF 18.5F.  IT WAS JUST
0.2F COLDER THAN LAST WINTER.

THE AVERAGE MAXIMUM TEMPERATURE WAS 23.1F.  THIS WAS 3.1F
COLDER THAN THE 1981-2010 NORMAL OF 26.2F.

THE AVERAGE MINIMUM TEMPERATURE WAS 8.2F.  THIS WAS 2.6F
COLDER THAN THE 1981-2010 NORMAL OF 10.8F.

THE TABLE BELOW CONTAINS THE MONTHLY TEMPERATURES AND THEIR
DEPARTURES FROM NORMAL FOR THE WINTER OF 2018-19.

          WINTER 2018-19 TEMPERATURES
               IN ROCHESTER MN

                  AVERAGE            DEPARTURE
   MONTH        TEMPERATURE         FROM NORMAL
   -----        -----------         -----------
 DECEMBER          23.7F             +4.0F
 JANUARY           12.1F             -3.6F
 FEBRUARY          11.3F             -9.0F

 WINTER            15.7F             -2.8F

THE WARMEST HIGH TEMPERATURE WAS 44F ON JANUARY 5.
THE COLDEST HIGH TEMPERATURE WAS -19F ON JANUARY 30.
ONLY 3 WINTERS HAVE HAD A HIGH COLDER.  THEY WERE 1911-12
(-22F), 1983-84 (-20F), AND 1995-96 (-20F).

THE WARMEST LOW TEMPERATURE WAS 35F ON FEBRUARY 3.
THE COLDEST LOW TEMPERATURE WAS -30F ON JANUARY 31.
THIS WAS THE COLDEST TEMPERATURE DURING A METEOROLOGICAL
WINTER IN 23 YEARS (1996).

THE DAILY AVERAGE TEMPERATURES WERE BELOW-NORMAL ON 47 DAYS
(52.2%), ABOVE-NORMAL ON 42 DAYS (46.7%), AND NORMAL ON
1 DAY (1.1%).

THE TEMPERATURE FELL BELOW ZERO ON 28 DAYS.  ON AVERAGE,
THERE ARE 27 DAYS WITH SUB-ZERO TEMPERATURES IN A WINTER.


PRECIPITATION - WETTEST

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, ROCHESTER
INTERNATIONAL AIRPORT RECEIVED 6.30" OF PRECIPITATION.
THIS WAS 3.38" WETTER THAN THE 1981-2010 WINTER NORMAL OF
2.92". 4 OUT OF THE 7 WETTEST WINTERS HAVE OCCURRED THIS
DECADE.  THE TABLE BELOW LISTS THE 10 WETTEST WINTERS.

           WETTEST WINTERS
           IN ROCHESTER MN
              1883-2019

           PRECIPITATION
   RANK        TOTAL        WINTER
   ----    -------------    ------
     1      6.30 INCHES     2018-19
     2      5.85 INCHES     2016-17
     3      5.47 INCHES     1887-88
     4      5.29 INCHES     2010-11
     5      4.92 INCHES     1982-83
     6      4.69 INCHES     1950-51
     7      4.61 INCHES     2015-16
     8      4.29 INCHES     1932-33
     9      4.25 INCHES     1966-67
    10      4.22 INCHES     2006-07
            4.22 INCHES     1948-49

THE TABLE BELOW CONTAINS THE MONTHLY PRECIPITATION TOTALS
AND THEIR DEPARTURES FROM NORMAL FOR THE WINTER OF 2018-19.

          WINTER 2018-19 PRECIPITATION
               IN ROCHESTER MN

                PRECIPITATION         DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
 DECEMBER        2.10 INCHES        +0.87 INCHES - TIED WITH
                                                   1887 FOR
                                                   9TH WETTEST
 JANUARY         1.23 INCHES        +0.37 INCHES
 FEBRUARY        2.97 INCHES        +2.14 INCHES - WETTEST

 WINTER          6.30 INCHES        +3.38 INCHES - WETTEST

THE WETTEST DAY WAS ON FEBRUARY 23 WHEN 0.89" OF PRECIPITATION
FELL.

PRECIPITATION FELL ON 49 DAYS (54.4). MEASURABLE PRECIPITATION
FELL ON 32 DAYS (35.6%).  TRACE AMOUNTS OF PRECIPITATION FELL
ON 17 DAYS (18.9%).

SNOWFALL - SNOWIEST

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, THE SNOW OBSERVER
NEAR ROCHESTER INTERNATIONAL AIRPORT RECEIVED 68.2" OF SNOW.
THIS WAS 35.2" SNOWIER THAN THE 1981-2010 NORMAL OF 33.0".
8 OUT OF THE 16 SNOWIEST WINTERS HAVE OCCURRED THIS CENTURY.
THE TABLE BELOW LISTS THE 10 SNOWIEST WINTERS.

          SNOWIEST WINTERS
           IN ROCHESTER MN
              1908-2019

             SNOWFALL
   RANK        TOTAL        WINTER
   ----    -------------    ------
     1      68.2 INCHES     2018-19
     2      60.4 INCHES     2010-11
     3      50.0 INCHES     2000-01
     4      48.1 INCHES     1969-70
     5      46.5 INCHES     2013-14
     6      46.4 INCHES     2008-09
     7      45.8 INCHES     1996-97
     8      44.4 INCHES     2009-10
     9      43.9 INCHES     1995-96
    10      43.6 INCHES     1978-79

THE TABLE BELOW CONTAINS THE MONTHLY SNOWFALL TOTALS AND
THEIR DEPARTURES FROM NORMAL FOR THE WINTER OF 2018-19.

           WINTER 2018-19 SNOWFALL
               IN ROCHESTER MN

                  SNOWFALL            DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
 DECEMBER         9.7 INCHES         -5.3 INCHES
 JANUARY         18.5 INCHES         +6.5 INCHES - 9TH SNOWIEST
 FEBRUARY        40.0 INCHES        +31.5 INCHES - SNOWIEST

 WINTER          68.2 INCHES        +35.2 INCHES - SNOWIEST

THE SNOWIEST DAY WAS 10.1 ON FEBRUARY 23.

SNOW FELL ON 43 DAYS (47.7%).  MEASURABLE SNOW FELL ON 28 DAYS
(31.1%).  A TRACE OF SNOW FELL ON ANOTHER 15 DAYS (16.7%).


SNOW DEPTH - 16TH GREATEST

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, THE OFFICIAL SNOW
OBSERVER NEAR ROCHESTER INTERNATIONAL AIRPORT HAD AN AVERAGE
SNOW DEPTH OF 7.9".  THIS WAS 2.7" GREATER THAN THE 1938-2019
LONG-TERM AVERAGE. THE TABLE BELOW LISTS THE 20 GREATEST SNOW
DEPTHS FOR A WINTER.

         GREATEST SNOW DEPTH
           DURING A WINTER
           IN ROCHESTER MN
              1938-2019

             SNOW DEPTH
   RANK        TOTAL        WINTER
   ----    -------------    ------
     1      16.9 INCHES     2010-11
     2      14.0 INCHES     1978-79
     3      13.7 INCHES     2009-10
     4      12.2 INCHES     1969-70
     5      11.8 INCHES     1985-86
     6      11.6 INCHES     1968-69
     7      10.6 INCHES     1970-71
     8      10.5 INCHES     1981-82
     9       9.7 INCHES     1996-97
    10       9.4 INCHES     1983-84
    11       9.1 INCHES     2000-01
    12       8.7 INCHES     1950-51
    13       8.5 INCHES     2013-14
    14       8.0 INCHES     2008-09
             8.0 INCHES     1977-78
    16       7.9 INCHES     2018-19
    17       7.2 INCHES     1992-93
             7.2 INCHES     1990-91
    19       7.0 INCHES     1947-48
    20       6.9 INCHES     1955-56

THE GREATEST SNOW DEPTH FOR THE WINTER WAS 28" ON FEBRUARY 24.

THERE WAS SNOW ON THE GROUND ON 78 DAYS (86.7%) THIS WINTER.
MEASURABLE SNOW WAS ON THE GROUND ON 72 DAYS (80%) AND TRACE
AMOUNTS OF SNOW ON THE GROUND ON 6 DAYS (6.7%).

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

...THE ROCHESTER MN CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2018 TO 2/28/2019...

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              64   12/04/2017
 LOW              -42   01/07/1887
HIGHEST            44   01/05        MM      MM       64  12/04
LOWEST            -30   01/31        MM      MM      -18  01/06
AVG. MAXIMUM     23.1              26.2    -3.1
AVG. MINIMUM      8.2              10.8    -2.6      7.7
MEAN             15.7              18.5    -2.8     15.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     71              58.2    12.8       63
DAYS MIN <= 32     88              86.3     1.7       90
DAYS MIN <= 0      28              22.0     6.0       31

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           6.30              2.92    3.38     3.01
DAILY AVG.       0.07              0.03    0.04
DAYS >= .01        32              26.0     6.0       28
DAYS >= .10        18               8.6     9.4        9
DAYS >= .50         4               0.9     3.1        1
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.89   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS           68.2              33.0    35.2
 LIQUID EQUIV    6.82              3.30    3.52
SINCE 7/1        73.8              39.9    33.9
DAYS >= TRACE      43              25.4    17.6
DAYS >= 1.0        18               9.9     8.1
GREATEST
 SNOW DEPTH        28   02/24
 24 HR TOTAL     10.1   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    4403              4188     215
 SINCE 7/1         MM              5861      MM
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0

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

WIND (MPH)
AVERAGE WIND SPEED              12.0
HIGHEST WIND SPEED/DIRECTION    46/290    DATE  01/08
HIGHEST GUST SPEED/DIRECTION    59/290    DATE  01/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC             24
NUMBER OF DAYS CLOUDY         39

AVERAGE RH (PERCENT)     86

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                6     FREEZING RAIN              1
LT FREEZING RAIN         10     HAIL                       0
HEAVY SNOW                3     SNOW                       9
LIGHT SNOW               44     SLEET                      1
FOG                      66     FOG W/VIS <= 1/4 MILE     17
HAZE                     12

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

$$

BOYNE


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