847
NOUS43 KARX 221616
PNSARX
IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034-041>044-
053>055-061-210316-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1116 AM CDT TUE SEP 22 2026
...ASTRONOMICAL SUMMER WAS WARMER AND WETTER THAN THE LONG-TERM
AVERAGE IN ROCHESTER, MN...
DURING THE ASTRONOMICAL SUMMER OF 2026 (JUNE 21 THROUGH SEPTEMBER
21), IT WAS WARMER (10TH WARMEST) AND WETTER (11TH WETTEST) THAN THE
LONG-TERM AVERAGE (1887-2026) AT ROCHESTER INTERNATIONAL AIRPORT.
MORE DETAILS ARE LISTED BELOW...
TEMPERATURES - 10TH WARMEST
DURING ASTRONOMICAL SUMMER, ROCHESTER INTERNATIONAL AIRPORT HAD AN
AVERAGE TEMPERATURE OF 70.4°F. THIS WAS 2.3°F WARMER THAN THE LONG-
TERM AVERAGE (1887-2026) OF 68.1°F. THIS WAS THE 10TH WARMEST
ASTRONOMICAL SUMMER. BELOW ARE THE 20 WARMEST ASTRONOMICAL SUMMERS
IN ROCHESTER, MN.
WARMEST ASTRONOMICAL SUMMERS
IN ROCHESTER MN
1886-2026
RANK AVG TEMP YEAR
---- -------- ----
1 72.9°F 1936
2 72.3°F 1955
72.3°F 1931
4 72.0°F 1947
5 71.3°F 1948
6 70.9°F 2012
7 70.8°F 1941
8 70.5°F 1988
70.5°F 1916
10 70.4°F 2026
11 70.3°F 1983
12 70.2°F 1949
13 70.1°F 2005
70.1°F 1939
70.1°F 1937
16 70.0°F 1913
17 69.8°F 1908
18 69.7°F 2002
69.7°F 1919
20 69.6°F 2018
SINCE 2000, 17 OUT OF 25 ASTRONOMICAL SUMMERS HAVE BEEN WARMER THAN
THE LONG-TERM AVERAGE. THIS INCLUDES THE 6TH WARMEST (70.9°F -
2012), 10TH WARMEST (70.4°F - 2026), 14TH WARMEST (70.1°F - 2005),
19TH WARMEST (70.9°F - 2002), 20TH WARMEST (69.6°F - 2018), 22ND
WARMEST (69.5°F - 2010), AND 24TH WARMEST (69.4°F - 2016).
THE AVERAGE MAXIMUM TEMPERATURE WAS 79.4°F. THIS WAS 0.3°F WARMER
THAN THE LONG-TERM AVERAGE OF 79.1°F.
THE AVERAGE MINIMUM TEMPERATURE WAS 61.3°F. THIS WAS 4.1°F WARMER
THAN THE LONG-TERM AVERAGE OF 57.2°F. THIS WAS THE WARMEST. THE
PREVIOUS RECORD WAS 60.4°F IN 1947.
OTHER TEMPERATURE TIDBITS THIS SUMMER...
THE HOTTEST TEMPERATURE WAS 94°F ON JULY 27.
THE COLDEST HIGH TEMPERATURE WAS 59°F ON SEPTEMBER 21.
THE WARMEST LOW TEMPERATURE WAS 74°F ON JUNE 29.
THE COLDEST TEMPERATURE WAS 45°F ON SEPTEMBER 14.
THE TEMPERATURE CLIMBED TO OR EXCEEDED 90°F ON 6 DAYS. NORMALLY,
THERE ARE 9 DAYS PER SUMMER.
RAINFALL - 11TH WETTEST
DURING THE ASTRONOMICAL SUMMER, ROCHESTER INTERNATIONAL AIRPORT
RECEIVED 17.81 INCHES OF RAIN WHICH WAS 5.76 INCHES WETTER THAN THE
LONG-TERM AVERAGE OF 12.05 INCHES. THIS WAS THE 11TH WETTEST SUMMER.
BELOW ARE THE 20 WETTEST SUMMERS FOR ROCHESTER, MN.
WETTEST ASTRONOMICAL SUMMERS
IN ROCHESTER, MN
1886-2026
RANK RAINFALL YEAR
---- -------- ----
1 24.13 INCHES 1978
2 22.68 INCHES 2019
22.68 INCHES 1938
4 22.37 INCHES 1986
5 21.74 INCHES 1942
6 21.17 INCHES 2016
7 19.99 INCHES 2007
8 19.28 INCHES 1990
9 18.83 INCHES 1981
10 18.19 INCHES 1913
11 17.81 INCHES 2026
12 17.58 INCHES 1959
13 17.32 INCHES 1999
14 17.07 INCHES 1951
15 16.24 INCHES 2024
16 16.08 INCHES 2010
17 16.07 INCHES 1983
18 15.85 INCHES 1952
19 15.57 INCHES 2018
20 15.29 INCHES 1993
10 OUT OF THE PAST 13 SUMMERS HAVE BEEN WETTER THAN AVERAGE. THIS
INCLUDES THE 2ND WETTEST (2019 - 22.68 INCHES); 6TH WETTEST (2016 -
21.17 INCHES); 11TH (2026 - 17.81 INCHES); 14TH (2024 - 16.24
INCHES); AND 23RD (2025 - 14.59 INCHES).
THE WETTEST DAY OCCURRED ON JULY 31 AND SEPTEMBER 18 WHEN 2.35
INCHES OF RAIN FELL. JUST OVER 25% (26.4%) OF THE RAIN FELL ON JUST
2 DAYS.
MEASURABLE RAIN FELL ON 29 DAYS (31.2%) AND TRACE AMOUNTS FELL ON
ANOTHER 9 DAYS (9.7%).
HERE IS A BREAKDOWN OF THE SUMMER RAIN...
NONE 55 DAYS - 59.1%
TRACE 9 DAYS - 9.7%
0.01-0.09 INCHES 5 DAYS - 5.4%
0.10-0.24 INCHES 10 DAYS - 10.8%
0.25-0.49 INCHES 3 DAYS - 3.2%
0.50-0.99 INCHES 3 DAYS - 3.2%
1.00-1.99 INCHES 6 DAYS - 6.5%
2.00-2.99 INCHES 2 DAYS - 2.2%
BOYNE
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page