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

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CXUS53 KARX 031046
CLMRST

CLIMATE REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
534 AM CDT TUE MAY 1 2018

...ROCHESTER, MN RECEIVED BELOW NORMAL TEMPERATURES AND NEAR NORMAL
PRECIPITATION IN THE MONTH OF APRIL...

THE AVERAGE TEMPERATURE IN APRIL WAS 34.5 DEGREES, WHICH WAS 12.2
DEGREES BELOW NORMAL. THE AVERAGE HIGH TEMPERATURE WAS 44.5 DEGREES
AND THE AVERAGE LOW WAS 24.5 DEGREES. THE HIGHEST TEMPERATURE IN THE
MONTH WAS 80 DEGREES, WHICH OCCURRED ON THE 30TH. THE LOWEST READING
WAS 6 DEGREES ABOVE ZERO, WHICH OCCURRED ON THE 4TH.

A TOTAL OF 3.18 INCHES OF PRECIPITATION FELL DURING THE MONTH, WHICH
WAS SIX HUNDREDTHS OF AN INCH BELOW NORMAL. THE GREATEST 24 HOUR
PRECIPITATION TOTAL WAS 1.48 INCHES, WHICH OCCURRED ON THE 13TH.

THERE WAS 17.0 INCHES OF SNOW DURING THE MONTH, WHICH WAS 13.7
INCHES ABOVE NORMAL. THE GREATEST 24 HOUR SNOWFALL WAS 7.4 INCHES,
WHICH OCCURRED ON THE 3RD.

...RECORDS...

DURING THE MONTH OF APRIL, THE AVERAGE MONTHLY TEMPERATURE WAS 34.5
DEGREES. THIS BROKE THE AVERAGE MONTHLY TEMPERATURE OF 37.6 DEGREES
PREVIOUSLY SET IN 1950.

ON APRIL 4TH, THE TEMPERATURE DROPPED TO 6 DEGREES. THIS TIED THE
DAILY RECORD LOW TEMPERATURE, PREVIOUSLY SET IN 1995.

ON APRIL 4TH, THE TEMPERATURE CLIMBED TO 23 DEGREES. THIS BREAKS THE
PREVIOUS RECORD LOW MAXIMUM TEMPERATURE OF 25 DEGREES PREVIOUSLY SET
IN 1995.

ON APRIL 7TH, THE TEMPERATURE DROPPED TO 8 DEGREES. THIS BROKE THE
DAILY RECORD LOW TEMPERATURE OF 9 DEGREES, PREVIOUSLY SET IN 1936.

ON APRIL 7TH, THE TEMPERATURE CLIMBED TO 29 DEGREES. THIS TIED THE
RECORD LOW MAXIMUM TEMPERATURE, PREVIOUSLY SET IN 1997.

ON APRIL 8TH, THE TEMPERATURE DROPPED TO 9 DEGREES. THIS TIED THE
DAILY RECORD LOW TEMPERATURE, PREVIOUSLY SET IN 1997.

ON APRIL 14TH, THE TEMPERATURE CLIMBED TO 32 DEGREES. THIS BROKE THE
PREVIOUS RECORD LOW MAXIMUM TEMPERATURE OF 33 DEGREES PREVIOUSLY SET
IN 1962.

ON APRIL 15TH, THE TEMPERATURE CLIMBED TO 25 DEGREES. THIS BROKE THE
PREVIOUS RECORD LOW MAXIMUM TEMPERATURE OF 32 DEGREES PREVIOUSLY SET
IN 1951.

ON APRIL 16TH, THE TEMPERATURE CLIMBED TO 30 DEGREES. THIS BROKE THE
PREVIOUS RECORD LOW MAXIMUM TEMPERATURE OF 31 DEGREES PREVIOUSLY SET
IN 1961.

ON APRIL 18TH, THE TEMPERATURE CLIMBED TO 31 DEGREES. THIS BROKE THE
PREVIOUS RECORD LOW MAXIMUM TEMPERATURE OF 32 DEGREES PREVIOUSLY SET
IN 1953.

ON APRIL 19TH, THE TEMPERATURE DROPPED TO 18 DEGREES. THIS BROKE THE
DAILY RECORD LOW TEMPERATURE OF 20 DEGREES, PREVIOUSLY SET IN 1988.

4.0 INCHES OF SNOW FELL ON APRIL 18TH. THIS BROKE THE DAILY RECORD
SNOWFALL OF 2 INCHES PREVIOUSLY SET IN 1937.

1.48 INCHES OF PRECIPITATION FELL ON APRIL 13TH. THIS BROKE THE
DAILY RECORD PRECIPITATION OF EIGHTY FIVE HUNDREDTHS OF AN INCH,
PREVIOUSLY SET IN 1952.

17 INCHES OF SNOW FELL DURING THE MONTH OF APRIL. THIS BROKE THE
PREVIOUS MONTHLY RECORD HIGHEST SNOWFALL FOR THE MONTH OF 16.4
INCHES SET IN 1983.

...DISCUSSION...

TEMPERATURES DURING THE MONTH OF APRIL WERE BELOW NORMAL AT
ROCHESTER, MINNESOTA. THE AVERAGE MONTHLY TEMPERATURE AT ROCHESTER,
MINNESOTA IN THE MONTH BROKE THE COLDEST AVERAGE MONTHLY
TEMPERATURE. THE COLDEST STRETCH OCCURRED FROM THE 1ST THROUGH THE
22ND, WHERE THE DAILY AVERAGE TEMPERATURE RANGED FROM 2 DEGREES TO
26 DEGREES BELOW NORMAL. THERE WERE 9 DAYS WHERE THE MAXIMUM
TEMPERATURE WARMED TO OR BELOW 32 DEGREES. THERE WERE 20 DAYS WHERE
THE TEMPERATURE DROPPED TO OR BELOW 32 DEGREES. TYPICALLY, THERE ARE
9 DAYS WHERE THE TEMPERATURE DROPS TO OR BELOW 32 DEGREES. THERE
WERE 3 DAYS IN THE WHOLE MONTH, WHERE THE AVERAGE DAILY TEMPERATURE
WAS ABOVE NORMAL.

PRECIPITATION IN THE MONTH OF APRIL WAS SLIGHTLY ABOVE NORMAL. THE
DRIEST STRETCH OCCURRED FROM 19TH THROUGH THE 30TH, WHERE A TRACE OF
PRECIPITATION FELL. THE WETTEST STRETCH OCCURRED FROM THE 11TH
THROUGH THE 15TH, WHERE 2.08 INCHES OF PRECIPITATION FELL. THERE
WERE 7 DAYS OF MEASURABLE SNOW WITH 17 INCHES TOTAL IN THE MONTH.

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

...THE ROCHESTER MN CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              92   04/24/2009
 LOW                5   04/06/1982
HIGHEST            80   04/30        MM      MM       70  04/24
                                                          04/23
                                                          04/08
LOWEST              6   04/04        MM      MM       29  04/28
                                                          04/07
AVG. MAXIMUM     44.5R             57.0   -12.5     56.7
AVG. MINIMUM     24.5R             36.4   -11.9     39.4
MEAN             34.5R             46.7   -12.2     48.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      9               0.5     8.5        0
DAYS MIN <= 32     22               8.6    13.4        4
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.30   2001
 MINIMUM         0.46   1946
TOTALS           3.18              3.24   -0.06     4.55
DAILY AVG.       0.11              0.11    0.00     0.15
DAYS >= .01         8              11.2    -3.2       16
DAYS >= .10         5               6.8    -1.8        9
DAYS >= .50         2               2.1    -0.1        3
DAYS >= 1.00        1               0.6     0.4        1
GREATEST
 24 HR. TOTAL    1.48   04/13 TO 04/13           04/19 TO 04/19

SNOWFALL (INCHES)
RECORDS
 TOTAL           17.0   2018
 24 HR TOTAL       MM
TOTALS           17.0R              3.3    13.7        T
SINCE 7/1        60.2              51.9     8.3     52.7
SNOWDEPTH AVG.      2                MM      MM        0
DAYS >= TRACE      13               2.3    10.7        2
DAYS >= 1.0         4               0.8     3.2        0
GREATEST
 SNOW DEPTH         7R  04/04                          0
 24 HR TOTAL      7.4   04/03 TO 04/03                 T

DEGREE_DAYS
HEATING TOTAL     907               553     354      503
 SINCE 7/1       7937              7425     512     6584
COOLING TOTAL       0                 4      -4        0
 SINCE 1/1          0                 4      -4        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              12.1
HIGHEST WIND SPEED/DIRECTION    43/320    DATE  04/06
HIGHEST GUST SPEED/DIRECTION    55/040    DATE  04/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                2     FREEZING RAIN              2
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               13     SLEET                      1
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      6

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

$$



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