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

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CXUS53 KARX 020256 RRA
CLSLSE

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

...SLIGHTLY COLDER-THAN-NORMAL AND MUCH WETTER AND SNOWIER
WINTER IN LA CROSSE WI...

DURING METEOROLOGICAL WINTER (DECEMBER 1 THROUGH FEBRUARY 28),
LA CROSSE REGIONAL AIRPORT WAS SLIGHTLY COLDER-THAN-NORMAL
(20.2F OR 0.3F COLDER-THAN-NORMAL) AND VERY WET (6.34"
OR 2.81" WETTER-THAN-NORMAL - 4TH WETTEST) AND SNOWY
(50.2" OR 20" SNOWIER-THAN-NORMAL - 6TH SNOWIEST). THE
INFORMATION BELOW PROVIDES MORE DETAILS ON THESE STATISTICS.

TEMPERATURES - SLIGHTLY COLDER-THAN-NORMAL

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, THE AVERAGE
TEMPERATURE AT LA CROSSE REGIONAL AIRPORT WAS 20.2F.
THIS WAS 0.3F COLDER THAN THE 1981-2010 NORMAL OF 20.5F.
THIS WAS JUST 0.4F COLDER THAN LAST WINTER.

WHILE THE TEMPERATURES WERE CLOSE TO NORMAL, THIS DOES NOT
TELL THE COMPLETE STORY.  DURING THE FIRST HALF OF THE WINTER
(THROUGH JANUARY 14TH), THE AVERAGE TEMPERATURE WAS 28.6F.
THIS WAS 8.3F WARMER THAN THE 1981-2010 NORMAL OF 20.3F.
DURING THE REMAINDER OF THE WINTER, TEMPERATURES AVERAGED
12.1F WHICH WAS 8.5F COLDER THAN THE 1981-2010 NORMAL
OF 20.6F.

THE AVERAGE MAXIMUM TEMPERATURE WAS 28.0F.  THIS WAS
0.7F COLDER THAN THE 1981-2010 NORMAL OF 28.7F.

THE AVERAGE MINIMUM TEMPERATURE WAS 12.4F.  THIS WAS
0.2F WARMER THAN THE 1981-2010 NORMAL OF 12.2F.

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

          WINTER 2018-19 TEMPERATURES
               IN LA CROSSE WI

                  AVERAGE            DEPARTURE
   MONTH        TEMPERATURE         FROM NORMAL
   -----        -----------         -----------
 DECEMBER          29.1F             +7.4F
 JANUARY           15.6F             -1.8F
 FEBRUARY          16.0F             -6.5F

 WINTER            20.2F             -0.3F

THE WARMEST HIGH TEMPERATURE WAS 54F ON JANUARY 5.
THE COLDEST HIGH TEMPERATURE WAS -12F ON JANUARY 30.
THIS WAS THE COLDEST TEMPERATURE DURING A METEOROLOGICAL
WINTER IN 23 YEARS (1996).

THE WARMEST LOW TEMPERATURE WAS 38F ON FEBRUARY 3.
THE COLDEST LOW TEMPERATURE WAS -33F ON JANUARY 31.
THIS WAS THE COLDEST TEMPERATURE DURING A METEOROLOGICAL
WINTER IN 23 YEARS (1996).  THERE HAVE ONLY BEEN
7 WINTERS WITH A TEMPERATURE COLDER THAN THIS WINTER.
THEY WERE 1872-73 (-43F), 1874-75 (-34F), 1887-88
(-42F), 1911-12 (-34F), 1950-51 (-37F), 1970-71
(-36F), AND 1995-96 (-35F).

THE DAILY AVERAGE TEMPERATURES WERE ABOVE NORMAL ON
49 DAYS (54.4%), BELOW NORMAL ON 48 DAYS (53.3%), AND NORMAL
ON 3 DAYS (3.3%).

THE TEMPERATURE FELL BELOW ZERO ON 21 DAYS. ON AVERAGE,
THERE ARE 23 DAYS WITH SUB-ZERO TEMPERATURES IN A WINTER.

PRECIPITATION - 4TH WETTEST

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, LA CROSSE
REGIONAL AIRPORT RECEIVED 6.34" OF PRECIPITATION.
THIS WAS 2.81" WETTER THAN THE 1981-2010 WINTER NORMAL
OF 3.53".  THIS MADE IT THE 4TH WETTEST WINTER.
3 OUT OF THE 7 WETTEST WINTERS HAVE OCCURRED DURING THE
PAST 4 WINTERS.  2015-16 WAS THE 2ND WETTEST WINTER.
2016-17 WAS THE 7TH WETTEST WINTER.  THE TABLE BELOW
LISTS THE 10 WETTEST WINTERS.

           WETTEST WINTERS
           IN LA CROSSE WI
              1872-2019

           PRECIPITATION
   RANK        TOTAL        WINTER
   ----    -------------    ------
     1      7.47 INCHES     1875-76
     2      6.58 INCHES     2015-16
     3      6.37 INCHES     1921-22
     4      6.34 INCHES     2018-19
     5      6.24 INCHES     1931-32
     6      6.22 INCHES     1885-86
     7      6.05 INCHES     2016-17
     8      5.94 INCHES     1891-92
     9      5.76 INCHES     1914-15
    10      5.70 INCHES     1928-29

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

          WINTER 2018-19 PRECIPITATION
               IN LA CROSSE WI

                PRECIPITATION         DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
 DECEMBER        2.01 INCHES        +0.65 INCHES
 JANUARY         1.31 INCHES        +0.19 INCHES
 FEBRUARY        3.02 INCHES        +1.97 INCHES - 4TH WETTEST

 WINTER          6.34 INCHES        +2.81 INCHES - 4TH WETTEST

THE WETTEST DAY WAS ON DECEMBER 27 WHEN 0.78" OF PRECIPITATION
FELL.

PRECIPITATION FELL ON 58 DAYS (58.8%). MEASURABLE PRECIPITATION
FELL ON 34 DAYS (37.8%).  TRACE AMOUNTS OF PRECIPITATION FELL
ON 24 DAYS (26.7%).

SNOWFALL - 6TH SNOWIEST

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, THE SNOW OBSERVER
NEAR LA CROSSE REGIONAL AIRPORT RECEIVED 50.2" OF SNOW.
THIS WAS 20" SNOWIER THAN THE 1981-2010 NORMAL OF 30.2".
4 OUT OF THE 6 SNOWIEST WINTERS HAVE OCCURRED SINCE THE
2007-08 WINTER.  2007-08 WAS THE 2ND SNOWIEST WINTER (57.8").
2008-09 WAS THE 5TH SNOWIEST WINTER (50.5").  2010-11 WAS THE
4TH SNOWIEST WINTER (54.4").  THE TABLE BELOW LISTS THE
10 SNOWIEST WINTERS.

          SNOWIEST WINTERS
           IN LA CROSSE WI
              1896-2019

             SNOWFALL
   RANK        TOTAL         WINTER
   ----    -------------     ------
     1      60.4 INCHES     1970-71
     2      57.8 INCHES     2007-08
     3      54.6 INCHES     1928-29
     4      54.4 INCHES     2010-11
     5      50.5 INCHES     2008-09
     6      50.2 INCHES     2018-19
     7      49.0 INCHES     1978-79
            49.0 INCHES     1974-75
     9      47.4 INCHES     1990-91
    10      46.7 INCHES     1916-17

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

           WINTER 2018-19 SNOWFALL
               IN LA CROSSE WI

                  SNOWFALL            DEPARTURE
   MONTH            TOTAL            FROM NORMAL
   -----        ------------         -----------
 DECEMBER         4.0 INCHES         -7.3 INCHES
 JANUARY         15.1 INCHES         +4.4 INCHES
 FEBRUARY        31.1 INCHES        +22.9 INCHES - SNOWIEST FEBRUARY

 WINTER          50.2 INCHES        +20.0 INCHES - 6TH SNOWIEST

THE SNOWIEST DAY WAS 9.0" ON FEBRUARY 12.

SNOW FELL ON 49 DAYS (54.4%).  MEASURABLE SNOW FELL ON
29 DAYS (32.2%).  A TRACE OF SNOW FELL ON ANOTHER 20 DAYS (22.2%).


SNOW DEPTH - SLIGHTLY ABOVE AVERAGE

FROM DECEMBER 1ST THROUGH FEBRUARY 28TH, THE OFFICIAL SNOW
OBSERVER NEAR LA CROSSE REGIONAL AIRPORT HAD AN AVERAGE
SNOW DEPTH OF 5.6". THIS WAS 1.2" GREATER THAN THE 1893-2019
LONG-TERM AVERAGE OF 4.4".

THE GREATEST SNOW DEPTH WAS 19" ON FEBRUARY 21.

THERE WAS SNOW ON THE GROUND ON 74 DAYS (82.2%) THIS WINTER.
MEASURABLE SNOW WAS ON THE GROUND ON 61 DAYS (67.8%) AND TRACE
AMOUNTS OF SNOW ON THE GROUND ON 13 DAYS (14.4%).

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

...THE LA CROSSE WI CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2018 TO 2/28/2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1873 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              67   12/05/1998
 LOW              -43   01/18/1873
HIGHEST            54   01/05        MM      MM
LOWEST            -33   01/31        MM      MM
AVG. MAXIMUM     28.0              28.7    -0.7
AVG. MINIMUM     12.4              12.2     0.2
MEAN             20.2              20.5    -0.3
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32     55              51.8     3.2
DAYS MIN <= 32     85              85.4    -0.4
DAYS MIN <= 0      21              19.4     1.6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           6.34              3.53    2.81
DAILY AVG.       0.07              0.04    0.03
DAYS >= .01        34              26.3     7.7
DAYS >= .10        18              10.4     7.6
DAYS >= .50         3               1.4     1.6
DAYS >= 1.00        0               0.2    -0.2
GREATEST
 24 HR. TOTAL    0.78   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS           50.2              30.2    20.0
 LIQUID EQUIV    5.02              3.00    2.02
SINCE 7/1        52.2              34.5    17.7
 LIQUID 7/1      5.22
DAYS >= TRACE      50              21.2    28.8
DAYS >= 1.0        13               9.6     3.4
GREATEST
 SNOW DEPTH        19   02/21
 24 HR TOTAL      9.0   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    3994              4009     -15
 SINCE 7/1         MM              5509      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              7.9
HIGHEST WIND SPEED/DIRECTION    35/290    DATE  02/24
HIGHEST GUST SPEED/DIRECTION    47/290    DATE  02/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC             24
NUMBER OF DAYS CLOUDY         40

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               14     FREEZING RAIN              1
LT FREEZING RAIN          7     HAIL                       0
HEAVY SNOW                2     SNOW                      11
LIGHT SNOW               50     SLEET                      2
FOG                      52     FOG W/VIS <= 1/4 MILE     12
HAZE                     46

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

$$

BOYNE



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