Public Information Statement
Issued by NWS La Crosse, WI

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Public Information Statement
National Weather Service La Crosse WI
500 AM CDT Sat Oct 1 2022

...September 2022 was Drier and Slightly Warmer than Normal in
Rochester, MN...

...September 2022 Highlights...

Temperatures - 30th Warmest

The average temperature at Rochester International Airport was
61.6°F. This was 0.5°F warmer than 1991-2020 normal of 61.1°F. This
was the 30th warmest September. 15 out of the 30 warmest Septembers
have occurred since 2000. Within the last 8 years, we have had the
2nd warmest September (2015), 5th warmest September (2019), 7th
warmest September (2016), 18th warmest September (2018 and 2021),
and 30th warmest (2022).

The average high temperature was 72.4°F. This was 0.6°F warmer than
1991-2020 normal of 71.8°F.

The average low temperature was 50.8°F. This was 0.4°F warmer than
1991-2020 normal of 50.4°F.

The hottest temperature was 90°F on September 20.
The coldest temperature was 33°F on September 28.

Rainfall...

A total of 0.97 inches of rain fell. This was 2.63 inches drier than
the 1991-2020 normal of 3.60 inches. 10 out of the last 15
Septembers have been drier than normal. The last September to be
wetter than normal was September 2019 (8.35 inches - 4th wettest).

The wettest calendar day was 0.46 inches on September 10.

Rain fell on 9 days (30%). This rain was measurable (0.01 inches or
greater) on 6 days (20%) and trace amounts fell on another 3 days
(10%).

There were 3 days with thunderstorms and 1 day with dense fog.

...September 2022 Records...

None.

...Looking Ahead to October...

The normal high temperature in Rochester starts off at 66°F on
October 1st and falls to 50°F by the end of the month. The normal
low temperature starts off at 44°F on the 1st and falls to 32°F by
the end of the month. The warmest October temperature on record is
93°F on October 3, 1997, and the coldest is -6°F on October 25,
1887.

The normal mean temperature for October is 47.9°F. Rochester’s
warmest October occurred in 1963 with an average temperature of
58.1°F, and its coldest October occurred in 1917 with an average
temperature of 37.6°F.

The normal October precipitation is 2.43 inches. The wettest October
occurred in 1911 with 9.11 inches of precipitation and the driest
October occurred in 1952 with only 0.01 inches of precipitation. The
wettest October day occurred on October 6, 1911, when 2.85 inches of
precipitation fell. Normally, there are 2 days with thunderstorms.

The normal October snowfall is 0.9 inches. The snowiest October
occurred in 2009 with 7.9 inches of snow. The snowiest October day
occurred on October 22, 1979, when 5 inches of snow fell.

$$

Boyne


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