Public Information Statement
Issued by NWS La Crosse, WI

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NOUS43 KARX 011452
PNSARX

Public Information Statement
National Weather Service La Crosse WI
951 AM CDT Fri Sep 1 2017

...TEMPERATURES WERE BELOW NORMAL AND PRECIPITATION WAS SLIGHTLY
BELOW NORMAL FOR THE MONTH OF AUGUST AT ROCHESTER...

The average temperature at the Rochester Airport for August was 64.8
degrees, which is 4.3 degrees below normal. The average high
temperature was 74.1 degrees while the average low was 55.4. The
highest temperature for the month was 83 degrees, which occurred on
the 20th. The lowest temperature was 49, which occurred on the 31st.

A total of 4.17 inches of rain fell during the month of August,
which was 0.35 inch below normal. The highest daily precipitation
total was 2.01 inches, which occurred on the 3rd.

...RECORDS...

A daily precipitation record of 2.01 inches was set on August 3rd.
The previous record for that day was 1.73 inches, which occurred in
2002.

...DISCUSSION...

This August was rather cool for the Rochester area as temperatures
averaged over 4 degrees below normal. This ranks as the 6th coolest
August on record. There were only 3 days this August that the
temperature reached 80 degrees, which is the fewest on record. The
maximum temperature for the month was 83 degrees. This is the lowest
monthly maximum temperature ever recorded for August at Rochester.
The precipitation for the month was slightly below normal. 3.03 of
the 4.17 inches that fell during the month occurred on only 2 days,
with 2.01 inches on the 3rd and 1.02 inches on the 16th.

...LOOKING AHEAD TO SEPTEMBER...

The normal average temperature at Rochester in September is 60.9
degrees. The normal high temperature starts at 76 degrees on the 1st
and falls to 66 by the end of the month. The normal low is 56
degrees to start out the month, falling to 44 by the 30th. The
warmest temperature recorded in September is 100 degrees on the 6th
in 1913. The coldest temperature is 22, which occurred most recently
on the 28th in 1942.

The normal precipitation for September at Rochester is 3.45 inches.
The wettest September was in 1986 when 10.50 inches of rain fell.
The driest September was in 1953 with only 0.33 inch of
precipitation.

$$

Hollan


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