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

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CXUS53 KARX 050816
CLSRST

CLIMATE REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
215 AM CST SUN MAR 5 2017

...ANOTHER WARM AND WET WINTER IN ROCHESTER MN...

DURING METEOROLOGICAL WINTER (DECEMBER 1 THROUGH
FEBRUARY 28), ROCHESTER HAD THEIR WETTEST AND 16TH WARMEST
WINTER.  THE INFORMATION BELOW PROVIDES MORE DETAILS ON
THESE STATISTICS.

TEMPERATURES...16TH WARMEST

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, ROCHESTER
INTERNATIONAL AIRPORT HAD AN AVERAGE TEMPERATURE OF
21.3 DEGREES. THIS WAS 2.8 DEGREES WARMER THAN THE
1981-2010 WINTER NORMAL OF 18.5 DEGREES.  THIS WAS
THEIR 16TH WARMEST WINTER.

THE AVERAGE MAXIMUM TEMPERATURE WAS 28.2 DEGREES.
THIS WAS 2.0 DEGREES WARMER THAN THE 1981-2010 NORMAL
OF 26.2 DEGREES. THIS WAS THE 24TH WARMEST.

THE AVERAGE MINIMUM TEMPERATURE WAS 14.4 DEGREES.
THIS WAS 3.6 DEGREES WARMER THAN THE 1981-2010
NORMAL OF 10.8 DEGREES.  THIS WAS THE 12TH WARMEST.

THE TABLE BELOW CONTAINS THE MONTHLY TEMPERATURES
AND THEIR DEPARTURES FROM NORMAL FOR THE WINTER OF
2016-17.

          WINTER 2016-17 TEMPERATURES
               IN ROCHESTER MN

                  AVERAGE            DEPARTURE
   MONTH        TEMPERATURE         FROM NORMAL
   -----        -----------         -----------
 DECEMBER       18.4 DEGREES       -1.3 DEGREES
 JANUARY        18.6 DEGREES       +2.9 DEGREES
 FEBRUARY       27.6 DEGREES       +7.3 DEGREES - 8TH WARMEST

  WINTER         21.3 DEGREES       +2.8 DEGREES

THE WARMEST HIGH TEMPERATURE WAS 57 DEGREES ON FEBRUARY
19TH.THE COLDEST HIGH TEMPERATURE WAS -2 DEGREES ON
DECEMBER 18TH.

THE WARMEST LOW TEMPERATURE WAS 41 DEGREES ON FEBRUARY 20TH.

THE COLDEST LOW TEMPERATURE WAS -25 DEGREES ON DECEMBER 18TH.

THE DAILY AVERAGE TEMPERATURES WERE ABOVE NORMAL ON 58 DAYS
(64.4 PERCENT) AND BELOW NORMAL ON 32 DAYS (35.6 PERCENT).

THE TEMPERATURE FELL BELOW ZERO ON 17 DAYS.

PRECIPITATION - WETTEST

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, ROCHESTER
INTERNATIONAL AIRPORT RECEIVED 5.85 INCHES OF PRECIPITATION.
THIS WAS 2.93 INCHES WETTER THAN THE 1981-2010 WINTER NORMAL
OF 2.92 INCHES.  THIS MADE IT THE WETTEST WINTER.  THE
PREVIOUS WETTEST WINTER OCCURRED BACK IN 1887-88 WHEN
5.47 INCHES OF PRECIPITATION FELL.

THE TABLE BELOW CONTAINS THE 10 WETTEST WINTERS IN ROCHESTER MN.

           WETTEST WINTERS
           IN ROCHESTER MN

           PRECIPITATION
   RANK        TOTAL         WINTER
   ----    -------------     ------
     1      5.85 INCHES     2016-17
     2      5.47 INCHES     1887-88
     3      5.29 INCHES     2010-11
     4      4.92 INCHES     1982-83
     5      4.69 INCHES     1950-51
     6      4.61 INCHES     2015-16
     7      4.29 INCHES     1932-33
     8      4.25 INCHES     1966-67
     9      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 2016-17.

          WINTER 2016-17 PRECIPITATION
               IN ROCHESTER MN

                PRECIPITATION         DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
 DECEMBER        2.07 INCHES        +1.23 INCHES - 10TH WETTEST
 JANUARY         2.12 INCHES        +1.26 INCHES -  4TH WETTEST
 FEBRUARY        1.66 INCHES        +0.83 INCHES

 WINTER          5.85 INCHES        +2.93 INCHES - WETTEST

THE WETTEST DAY WAS ON DECEMBER 20TH WHEN 0.81 INCHES
OF PRECIPITATION FELL.

PRECIPITATION FELL ON 47 DAYS (52.2 PERCENT). MEASURABLE
PRECIPITATION FELL ON 28 DAYS (31.1 PERCENT).  TRACE
AMOUNTS OF PRECIPITATION FELL ON 19 DAYS (21.1 PERCENT).

SNOWFALL - 10TH SNOWIEST

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, THE SNOW
OBSERVER NEAR ROCHESTER INTERNATIONAL AIRPORT RECEIVED
43.3 INCHES OF SNOW.  THIS WAS 10.3 INCHES SNOWIER
THAN THE 1981-2010 NORMAL OF 33.0 INCHES.  THIS MADE IT
THE TENTH  SNOWIEST WINTER.  8 OF THE 10 SNOWIEST
WINTERS HAVE OCCURRED SINCE 1995-96.

THE TABLE BELOW CONTAINS THE 10 SNOWIEST WINTERS IN
ROCHESTER MN.

           SNOWIEST WINTERS
           IN ROCHESTER MN

              SNOWFALL
   RANK        TOTAL         WINTER
   ----    -------------     ------
     1      60.4 INCHES     2010-11
     2      50.0 INCHES     2000-01
     3      48.1 INCHES     1969-70
     4      46.5 INCHES     2013-14
     5      46.4 INCHES     2008-09
     6      45.8 INCHES     1996-97
     7      44.4 INCHES     2009-10
     8      43.9 INCHES     1995-96
     9      43.6 INCHES     1978-79
    10      43.3 INCHES     2016-17

THE TABLE BELOW CONTAINS THE MONTHLY SNOWFALL TOTALS AND THEIR
DEPARTURES FROM NORMAL FOR THE WINTER OF 2016-17.

           WINTER 2016-17 SNOWFALL
               IN ROCHESTER MN

                  SNOWFALL            DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
 DECEMBER        19.7 INCHES         +7.2 INCHES
 JANUARY         13.2 INCHES         +1.2 INCHES
 FEBRUARY        10.4 INCHES         +1.9 INCHES

 WINTER          43.3 INCHES         +10.3 INCHES

THE SNOWIEST DAY WAS 6.4 INCHES ON FEBRUARY 24TH.

SNOW FELL ON 39 DAYS (43.3 PERCENT). MEASURABLE SNOW FELL
ON 19 DAYS (21.1 PERCENT).  A TRACE OF SNOW FELL ON ANOTHER
20 DAYS (22.2 PERCENT).

SNOW DEPTH -

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, THE OFFICIAL
SNOW OBSERVER NEAR ROCHESTER INTERNATIONAL AIRPORT HAD
AN AVERAGE SNOW DEPTH OF 5.2 INCHES.  THIS WAS AVERAGE.

THE GREATEST SNOW DEPTH FOR THE WINTER WAS 11 INCHES
FROM DECEMBER 17TH AND DECEMBER 18TH.

THERE WAS SNOW ON THE GROUND ON 80 DAYS (88.9 PERCENT)
THIS WINTER.  MEASURABLE SNOW WAS ON THE GROUND ON
78 DAYS (86.7 PERCENT) AND TRACE AMOUNTS OF SNOW ON THE
GROUND ON 2 DAYS (2.2 PERCENT).

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

...THE ROCHESTER MN CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2016 TO 2/28/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              63   02/17/1981
                        12/17/1939
 LOW              -42   01/07/1887
HIGHEST            57   02/19        MM      MM       52  02/27
LOWEST            -25   12/18        MM      MM      -21  01/18
AVG. MAXIMUM     28.5              26.2     2.3
AVG. MINIMUM     14.6              10.8     3.8     16.3
MEAN             21.5              18.5     3.0     22.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     53              58.2    -5.2       52
DAYS MIN <= 32     82              86.3    -4.3       84
DAYS MIN <= 0      17              22.0    -5.0       14

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           5.85              2.92    2.93     4.61
DAILY AVG.       0.07              0.03    0.04
DAYS >= .01        28              26.0     2.0       30
DAYS >= .10        16               8.6     7.4        9
DAYS >= .50         2               0.9     1.1        3
DAYS >= 1.00        0               0.1    -0.1        1
GREATEST
 24 HR. TOTAL    0.81   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS           43.3              33.0    10.3
 LIQUID EQUIV    4.33              3.30    1.03
SINCE 7/1        44.3              39.9     4.4
DAYS >= TRACE      39              25.4    13.6
DAYS >= 1.0        10               9.9     0.1
GREATEST
 SNOW DEPTH        11   12/18
                        12/17
 24 HR TOTAL      8.2   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    3909              4188    -279
 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              13.5
HIGHEST WIND SPEED/DIRECTION    43/230    DATE  12/26
HIGHEST GUST SPEED/DIRECTION    52/230    DATE  12/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           36
NUMBER OF DAYS PC             22
NUMBER OF DAYS CLOUDY         32

AVERAGE RH (PERCENT)     83

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                9     FREEZING RAIN              2
LT FREEZING RAIN          7     HAIL                       0
HEAVY SNOW                3     SNOW                      11
LIGHT SNOW               38     SLEET                      1
FOG                      54     FOG W/VIS <= 1/4 MILE     11
HAZE                     13

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

$$

BOYNE



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