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000
CXUS53 KARX 081337
CLSRST

CLIMATE REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
735 AM CST THU MAR 8 2018

...ROCHETER MN HAD A COLDER AND SLIGHTLY WETTER METEOROLOGICAL
WINTER...

DURING METEOROLOGICAL WINTER (DECEMBER 1 THROUGH FEBRUARY 28), IT
WAS COLDER (-2.5F) AND SLIGHTLY WETTER-THAN-NORMAL (+0.09 INCHES)
FOR ROCHESTER, MN.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 16.0.  THIS WAS 2.5F COLDER
THAN THE 1981-2010 WINTER NORMAL OF 18.5F.

THE AVERAGE MAXIMUM TEMPERATURE WAS 24.2F.  THIS WAS 2.0F COLDER
THAN THE 1981-2010 NORMAL OF 26.2 DEGREES.

THE AVERAGE MINIMUM TEMPERATURE WAS 7.8F.  THIS WAS 3F COLDER THAN
THE 1981-2010 NORMAL OF 10.8 DEGREES.

THE TABLE BELOW CONTAINS THE MONTHLY TEMPERATURES AND
THEIR DEPARTURES FROM NORMAL FOR THE WINTER OF 2017-18.

          WINTER 2017-18 TEMPERATURES
               IN ROCHESTER MN

                  AVERAGE            DEPARTURE
   MONTH        TEMPERATURE         FROM NORMAL
   -----        -----------         -----------
 DECEMBER       17.9 DEGREES       -1.8 DEGREES
 JANUARY        14.6 DEGREES       -1.1 DEGREES
 FEBRUARY       15.3 DEGREES       -5.0 DEGREES

 WINTER         15.9 DEGREES       -2.6 DEGREES

THE WARMEST HIGH TEMPERATURE WAS 64 DEGREES ON DECEMBER 4TH.
THE COLDEST HIGH TEMPERATURE WAS -8 DEGREES ON DECEMBER 31ST.

THE WARMEST LOW TEMPERATURE WAS 30 DEGREES ON JANUARY 10TH.
THE COLDEST LOW TEMPERATURE WAS -18 DEGREES ON JANUARY 6TH.

THE DAILY AVERAGE TEMPERATURES WERE BELOW NORMAL ON 48 DAYS (53.3%),
ABOVE-NORMAL ON 41 DAYS (45.6%), NORMAL ON 1 DAY (1.1%).

THE TEMPERATURE FELL BELOW ZERO ON 31 DAYS.  ON AVERAGE, THERE ARE
27 DAYS WITH SUB-ZERO TEMPERATURES IN A WINTER.


PRECIPITATION - SLIGHTLY WETTER-THAN-NORMAL

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, ROCHESTER INTERNATIONAL
AIRPORT RECEIVED 3.01 INCHES OF PRECIPITATION.  THIS WAS 0.09 INCHES
WETTER THAN THE 1981-2010 WINTER NORMAL OF 2.92 INCHES.  THE TABLE
BELOW CONTAINS THE MONTHLY PRECIPITATION TOTALS AND THEIR DEPARTURES
FROM NORMAL FOR THE WINTER OF 2017-18.

          WINTER 2017-18 PRECIPITATION
               IN ROCHESTER MN

                PRECIPITATION         DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
 DECEMBER        0.51 INCHES        -0.72 INCHES
 JANUARY         1.42 INCHES        +0.56 INCHES
 FEBRUARY        1.08 INCHES        +0.25 INCHES

 WINTER          3.01 INCHES        +0.09 INCHES


THE WETTEST DAY WAS ON JANUARY 22ND WHEN 0.91 INCHES OF
PRECIPITATION FELL.

PRECIPITATION FELL ON 48 DAYS (53.3%). MEASURABLE PRECIPITATION FELL
ON 28 DAYS (31.1%).  TRACE AMOUNTS OF PRECIPITATION FELL ON 20 DAYS
(22.2%).

SNOWFALL - NEAR-NORMAL

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, THE SNOW OBSERVER NEAR
ROCHESTER INTERNATIONAL AIRPORT RECEIVED 32.9 INCHES OF SNOW.  THIS
WAS 0.1 INCHES BELOW THE 1981-2010 NORMAL OF 33.0 INCHES.  THE TABLE
BELOW CONTAINS THE MONTHLY SNOWFALL TOTALS AND THEIR DEPARTURES FROM
NORMAL FOR THE WINTER OF 2017-18.

           WINTER 2017-18 SNOWFALL
               IN ROCHESTER MN

                  SNOWFALL            DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
 DECEMBER         7.2 INCHES         -5.3 INCHES
 JANUARY         16.2 INCHES         +4.2 INCHES
 FEBRUARY         9.5 INCHES         +1.0 INCHES

 WINTER          32.9 INCHES         -0.1 INCHES

THE SNOWIEST DAY WAS 8.1 INCHES ON JANUARY 22.

SNOW FELL ON 45 DAYS (50%).  MEASURABLE SNOW FELL ON 32 DAYS
(35.6%).  A TRACE OF SNOW FELL ON ANOTHER 13 DAYS (14.4%).

SNOW DEPTH - BELOW AVERAGE

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, THE OFFICIAL SNOW OBSERVER
NEAR ROCHESTER INTERNATIONAL AIRPORT HAD AN AVERAGE SNOW DEPTH OF
3.1 INCHES.  THIS WAS 2.1 INCHES BELOW AVERAGE.

THE GREATEST SNOW DEPTH FOR THE WINTER WAS 8 INCHES FROM JANUARY 23
AND JANUARY 26TH.

THERE WAS SNOW ON THE GROUND ON 76 DAYS (84.4%) THIS WINTER.
MEASURABLE SNOW WAS ON THE GROUND ON 67 DAYS (74.4%) AND TRACE
AMOUNTS OF SNOW ON THE GROUND ON 9 DAYS (10%).

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

...THE ROCHESTER MN CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2017 TO 2/28/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2018

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            64R  12/04        MM      MM       57  02/19
LOWEST            -18   01/06        MM      MM      -25  12/18
AVG. MAXIMUM     24.2              26.2    -2.0
AVG. MINIMUM      7.7              10.8    -3.1     14.6
MEAN             15.9              18.5    -2.6     21.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     63              58.2     4.8       53
DAYS MIN <= 32     90              86.3     3.7       82
DAYS MIN <= 0      31              22.0     9.0       17

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           3.01              2.92    0.09     5.85
DAILY AVG.       0.04              0.03    0.01
DAYS >= .01        28              26.0     2.0       28
DAYS >= .10         9               8.6     0.4       16
DAYS >= .50         1               0.9     0.1        2
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.91   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS           32.9              33.0    -0.1
 LIQUID EQUIV    3.29              3.30   -0.01
SINCE 7/1        36.2              39.9    -3.7
DAYS >= TRACE      45              25.4    19.6
DAYS >= 1.0        11               9.9     1.1
GREATEST
 SNOW DEPTH         8   01/26
                        01/24
                        01/25
 24 HR TOTAL      8.1   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    4391              4188     203
 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              12.6
HIGHEST WIND SPEED/DIRECTION    40/290    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    54/160    DATE  02/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           42
NUMBER OF DAYS PC             30
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              2
LT FREEZING RAIN          8     HAIL                       0
HEAVY SNOW                2     SNOW                       5
LIGHT SNOW               45     SLEET                      0
FOG                      54     FOG W/VIS <= 1/4 MILE      8
HAZE                     19

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

$$

BOYNE