Public Information Statement
Issued by NWS La Crosse, WI
Issued by NWS La Crosse, WI
547
NOUS43 KARX 010735
PNSARX
IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-011945-
Public Information Statement
National Weather Service La Crosse WI
235 AM CDT Tue Oct 1 2024
...September 2024 was the 4th Warmest and 8th Driest in Rochester,
MN...
...September 2024 Highlights...
Temperatures - 4th Warmest
During September 2024, the average temperature was 65.4F at
Rochester International Airport. This was 4.3F warmer than the
1981- 2020 normal of 61.1F. This was the 4th warmest September
and the warmest since last September (66.3F - 2nd warmest). 14
out of the 24 warmest Septembers have occurred since 2002. The
table below contains the 20 warmest Septembers for Rochester, MN.
20 Warmest Septembers
in Rochester MN
1886-2024
Average
Rank Temperature Year
---- ----------- ----
1 66.9F 1931
2 66.3F 2023
3 66.2F 2015
4 65.4F 2024
5 65.3F 1948
6 65.2F 1933
7 65.1F 2019
8 64.7F 2005
9 64.4F 2016
64.4F 2004
64.4F 1998
12 64.1F 2017
13 64.0F 2013
64.0F 1939
64.0F 1919
16 63.9F 2007
17 63.7F 1978
18 63.2F 1994
19 63.1F 2021
63.1F 2018
The average high temperature was 77.7F. This was 5.9F warmer than
the 1981-2020 normal of 71.8F. This was tied with 1939 for the 4th
warmest. The warmest average was 81.9F in 1908.
The average low temperature was 53.1F. This was 2.7F warmer than
the 1981-2020 normal of 50.4F. This was the 10th warmest. The
warmest average was 56.1F in 2015.
The warmest temperature was 87F on September 21 and the coldest
temperatures was 43F on September 7 and September 23.
The high temperature was 80F or warmer on 14 days. This was the 5th
most. The most is 22 days in 1908.
Rainfall - 8th Driest
A total of 0.77 inches of rain fell. This was 2.83 inches drier than
the 1991-2020 normal of 3.60 inches. This was the 8th driest
September. The table below contains the ten driest Septembers for
Rochester, MN.
10 Driest Septembers
in Rochester MN
1886-2024
Rank Rainfall Year
---- -------- ----
1 0.33 inches 1953
2 0.38 inches 1975
3 0.56 inches 1999
4 0.61 inches 1989
5 0.62 inches 1956
6 0.63 inches 1979
7 0.76 inches 1976
8 0.77 inches 2024
9 0.83 inches 1956
10 0.97 inches 2022
The wettest day was 0.72 inches on September 19.
Rain fell on only 5 days. 4 days had measurable rain (13.3%) and
another day had a trace (3.3%). The 4 days with measurable rain was
tied with 1939, 1952, 1976, 1999, and 2009 for the 3rd least. Only
1908 and 1979 had fewer (2 days).
...September 2024 Records...
Daily...
September 28 - Record High Tied - 83F - Tied 1952, 1956, and 1971
...Looking Ahead to October...
The normal high temperature in Rochester starts off at 66F on
October 1st and falls to 50F by the end of the month. The normal
low temperature starts off at 44F on the 1st and falls to 32F by
the end of the month. The warmest October temperature on record was
93F on October 3, 1997, and the coldest was -6F on October 25,
1887.
The normal mean temperature for October is 47.9F. Rochesters
warmest October occurred in 1963 with an average temperature of
58.1F, and its coldest October occurred in 1917 with an average
temperature of 37.6F.
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