RSS FeedsRochester & La Crosse October Climate Summaries
...OCTOBER AT ROCHESTER MN WAS 2ND WETTEST ON RECORD...
ROCHESTER RECEIVED 7.57 INCHES OF PRECIPITATION DURING THE MONTH OF
OCTOBER WHICH WAS 5.37 INCHES ABOVE NORMAL. ONLY THE 9.11 INCHES
RECORDED IN OCT 1911 HAS BEEN WETTER. THE GREATEST 24-HOUR
PRECIPITATION WAS 1.58 INCHES THAT FELL FROM THE 21ST TO THE 22ND.
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 42.5 DEGREES...WHICH WAS
4.5 DEGREES BELOW NORMAL. THE AVERAGE HIGH WAS 50 DEGREES...WHILE
THE AVERAGE LOW WAS 35 DEGREES. THE HIGHEST TEMPERATURE WAS 68
DEGREES ON THE 19TH...WHILE THE COLDEST TEMPERATURE WAS 23 DEGREES ON
THE 11TH.
SNOWFALL DURING THE MONTH THE MONTH TOTALED 7.9 INCHES...WHICH WAS
6.9 INCHES ABOVE NORMAL.
...RECORDS...
OCT 29...DAILY RAINFALL OF 1.21 INCHES...OLD RECORD 0.71 IN 1971.
OCT 23...DAILY SNOWFALL 4.1 INCHES...OLD RECORD 1.0 IN 1917.
OCT 21...DAILY RAINFALL OF 1.57 INCHES...OLD RECORD 1.01 IN 1951.
OCT 15...DAILY LOW MAXIMUM HIGH OF 39 DEGREE...TIED RECORD IN 1943.
OCT 14...DAILY SNOWFALL OF 0.6 SNOWFALL...OLD RECORD WAS A TRACE IN
1986.
OCT 13...DAILY LOW MAXIMUM HIGH OF 35 DEGREES...OLD RECORD WAS 36 IN
2006.
OCT 12...DAILY SNOWFALL OF 1.7...OLD RECORD WAS 0.1 IN 2006.
OCT 12...DAILY LOW MAXIMUM HIGH OF 41...TIED RECORD SET IN 1959.
OCT 11...DAILY SNOWFALL OF 0.9...OLD RECORD WAS A TRACE IN 1977
OCT 2...DAILY RAINFALL OF 1.45...OLD RECORD WAS 0.83 IN 2004.
...DISCUSSION...
A SERIES OF NORTHERN STREAM SYSTEMS KEPT TEMPERATURES WELL BELOW
NORMAL DURING THE MONTH...ESPECIALLY DURING THE FIRST HALF. IN FACT
THE FIRST DAY WITH A NORMAL TEMPERATURE DID NOT OCCUR UNTIL THE
18TH. ALONG WITH THE COLD TEMPERATURES WERE SEVERAL VERY WET SYSTEMS
THAT PASSED THROUGH THE AREA LEADING TO A SIGNIFICANT AMOUNT OF
PRECIPITATION. THE 7.57 INCHES OF PRECIPITATION THAT FELL RANKS
OCTOBER 2009 AS THE 2ND WETTEST ON RECORD. WHILE MANY AREAS TO
THE EAST OF ROCHESTER SAW THE PRECIPITATION MAINLY AS RAIN...THE
ROCHESTER AREA WAS ON THE COLD SIDE OF SEVERAL SYSTEMS LEADING TO A
RECORD 7.9 INCHES OF SNOWFALL.
...LOOKING AHEAD TO NOVEMBER...
THE AVERAGE TEMPERATURE FOR THE MONTH OF NOVEMBER IS 31.2 DEGREES...
WITH AN AVERAGE HIGH OF 38.7 AND AN AVERAGE LOW OF 23.7 DEGREES. THE
NORMAL HIGH DROPS 17 DEGREES...FROM 48 ON THE 1ST TO 31 ON THE 30TH.
THE NORMAL LOW DROPS 13 DEGREES...FROM 30 DEGREES ON THE 1ST TO 17
DEGREES ON THE 30TH. AVERAGE PRECIPITATION FOR NOVEMBER IS 2.01
INCHES. AVERAGE SNOWFALL FOR THE MONTH IS 7.1 INCHES AND THERE ARE
NORMALLY 2 DAYS IN NOVEMBER WITH AN INCH OR MORE OF SNOWFALL.
...4TH COLDEST AND 4TH WETTEST OCTOBER ON RECORD AT LA CROSSE WI...
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 44.5 DEGREES WHICH WAS
WAS 6.1 DEGREES BELOW NORMAL. THIS RANKS AS THE 4TH COLDEST
OCTOBER ON RECORD. THE AVERAGE HIGH WAS 51 DEGREES...WHILE THE
AVERAGE LOW WAS 38 DEGREES. THE HIGHEST TEMPERATURE WAS 69 DEGREES
ON THE 19TH WHILE THE LOWEST READING WAS 26 DEGREES...WHICH OCCURRED
ON THE 11TH.
LA CROSSE RECEIVED 5.67 INCHES OF PRECIPITATION DURING THE MONTH
OF OCTOBER WHICH WAS 3.51 INCHES ABOVE NORMAL. THIS RANKS IT AS
THE 4TH WETTEST OCTOBER ON RECORD. THE GREATEST 24-HOUR
PRECIPITATION AMOUNT WAS 1.67 INCHES THAT FELL FROM THE 21-22ND.
THERE WAS 0.4 INCHES OF SNOWFALL DURING THE MONTH...AND THAT WAS
0.2 ABOVE NORMAL.
...RECORDS...
OCT 21ST...1.60 INCHES OF PRECIPITATION...OLD RECORD 1.03 IN 1951.
OCT 15TH...TRACE OF SNOW TIED RECORD FOR THE DAY SET IN 1972.
OCT 14TH...TRACE OF SNOW TIED RECORD FOR THE DAY SET IN 1986.
OCT 13TH...TRACE OF SNOW TIED RECORD FOR THE DAY SET IN 1997.
...DISCUSSION...
A SERIES OF NORTHERN STREAM SYSTEMS KEPT TEMPERATURES WELL BELOW
NORMAL DURING THE MONTH...ESPECIALLY DURING THE FIRST HALF. IN FACT
EVERY DAY THROUGH THE 18TH WAS BELOW NORMAL...WITH THE 19TH HAVING
THE FIRST DAY WITH AN ABOVE NORMAL TEMPERATURE. IN TOTAL ONLY 6 DAYS
OF THE MONTH RECORDED AN ABOVE NORMAL TEMPERATURE. SEVERAL SYSTEMS
WERE ALSO ABLE TO TAP INTO GULF MOISTURE AND THAT BROUGHT SIGNIFICANT
RAIN TO THE AREA...ESPECIALLY ON DAYS 21 TO 23 WHEN 2.85 INCHES OF
PRECIPITATION FELL.
...LOOKING AHEAD TO NOVEMBER...
THE AVERAGE TEMPERATURE FOR THE MONTH IS 35.5 DEGREES...WITH AN
AVERAGE HIGH OF 43.6 DEGREES AND AN AVERAGE LOW OF 27.4 DEGREES. THE
NORMAL HIGH DROPS FROM 52 DEGREES ON THE 1ST...TO 36 DEGREES BY THE
30TH. THE NORMAL LOW DROPS FROM 34 DEGREES ON THE 1ST...TO A 21
DEGREES READING BY THE 30TH. THE AVERAGE DAILY TEMPERATURE DROPS
BELOW FREEZING BY THE 24TH. NORMAL PRECIPITATION FOR NOVEMBER IS 2.10
INCHES. NORMAL SNOWFALL IS 4.4 INCHES AND NOVEMBER AVERAGES 1 DAY
WITH AN INCH OR MORE OF SNOWFALL.
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