January Summaries for La Crosse & Rochester

...JANUARY 2013 AT ROCHESTER MN...ABOVE NORMAL MONTHLY TEMPERATURE
AND NEAR NORMAL PRECIPITATION...BUT MUCH BELOW NORMAL SNOWFALL...

THE AVERAGE JANUARY TEMPERATURE IN ROCHESTER WAS 17.5 DEGREES. THIS
WAS 1.8 DEGREES ABOVE NORMAL.  THE AVERAGE HIGH TEMPERATURE WAS 26.3
DEGREES WHILE THE AVERAGE LOW FOR THE MONTH WAS 8.8 DEGREES. THE
HIGHEST TEMPERATURE FOR THE MONTH WAS 44 DEGREES ON THE 18TH...WHILE
THE LOWEST TEMPERATURE WAS 10 DEGREES BELOW ZERO ON THE 1ST.

A TOTAL OF 0.78 INCHES OF LIQUID PRECIPITATION FELL DURING THE MONTH
OF JANUARY...WHICH WAS 0.08 INCHES BELOW NORMAL. THE GREATEST 24 HOUR
TOTAL WAS 0.34 INCHES...WHICH FELL FROM THE 27TH TO 28TH.

SNOWFALL TOTALED JUST 1.9 INCHES...WHICH WAS 10.1 INCHES BELOW NORMAL
FOR THE MONTH OF JANUARY. THE GREATEST ONE-DAY SNOWFALL TOTAL FOR
JANUARY WAS 1.1 INCHES WHICH FELL ON THE 30TH. SEASONAL SNOWFALL
THROUGH JANUARY 31ST WAS 16.4 INCHES...WHICH WAS 15.0 INCHES BELOW
NORMAL.

...RECORDS...

JANUARY 28TH...THE LOW TEMPERATURE OF 31 DEGREES TIES THE WARMEST LOW
TEMPERATURE LAST SET IN 1970.

...DISCUSSION...
THE UPPER FLOW ACROSS THE REGION ALTERNATED FROM NORTHWEST TO
SOUTHWEST DURING THE MONTH...WITH THE MILDER SOUTHWEST FLOW PUSHING
THE MONTHLY TEMPERATURE INTO THE ABOVE NORMAL RANGE. THIS EVEN
THOUGH 14 DAYS DURING THE MONTH POSTED BELOW NORMAL DAILY AVERAGES.
OFFSETTING THIS WERE 5 DAYS DURING THE MONTH WITH HIGH TEMPERATURES
IN THE 40S...WITH ANOTHER 8 DAYS WITH HIGHS IN THE 30S. VERY DRY
WEATHER PREVAILED DURING THE FIRST 3 WEEKS OF THE MONTH AS THE BULK
OF THE MONTHS PRECIPITATION...0.53 INCHES...FELL DURING THE LAST
WEEK.

...LOOKING AHEAD TO FEBRUARY...

ON AVERAGE...FEBRUARY IS THE THIRD COLDEST MONTH OF THE YEAR IN
ROCHESTER WITH AN AVERAGE TEMPERATURE OF 20.3 DEGREES. THE
AVERAGE HIGH FOR THE MONTH IS 28.1 DEGREES AND THE AVERAGE LOW IS
12.4 DEGREES. EVEN THOUGH FEBRUARY IS QUITE COLD...TEMPERATURES
SLOWLY WARM DURING THE MONTH AS THE AVERAGE DAILY TEMPERATURE
INCREASES FROM 17 DEGREES ON THE 1ST...TO 25 DEGREES ON THE 29TH.

FEBRUARY IS THE DRIEST MONTH OF THE YEAR WITH ROCHESTER ONLY
AVERAGING 0.83 INCHES OF PRECIPITATION DURING THE MONTH. A TYPICAL
FEBRUARY WILL HAVE AROUND 8.5 INCHES OF SNOW...WITH 2.5 DAYS SEEING 1
INCH OR MORE.

...ABOVE NORMAL AVERAGE TEMPERATURE WITH NEAR NORMAL PRECIPITATION
OBSERVED AT LA CROSSE WI DURING JANUARY 2013...

THE AVERAGE JANUARY TEMPERATURE IN LA CROSSE WAS 19.8 DEGREES. THIS
WAS 2.4 DEGREES ABOVE NORMAL. THE AVERAGE HIGH TEMPERATURE WAS 29.0
DEGREES WHILE THE AVERAGE LOW FOR THE MONTH WAS 10.6 DEGREES. THE
HIGHEST TEMPERATURE FOR THE MONTH WAS 48 DEGREES WHICH OCCURRED ON
BOTH THE 18TH AND 19TH...WHILE THE LOWEST TEMPERATURE WAS 10 DEGREES
BELOW ZERO ON THE 1ST.

A TOTAL OF 1.09 INCHES OF PRECIPITATION FELL DURING THE MONTH OF
JANUARY...WHICH WAS 0.03 INCHES BELOW NORMAL. THE HIGHEST 24 HOUR
TOTAL WAS 0.43 INCHES...WHICH FELL FROM THE 27TH TO 28TH.

SNOWFALL FOR THE THE MONTH TOTALED 6.5 INCHES...WHICH WAS 4.2 INCHES
BELOW NORMAL. THE GREATEST ONE-DAY SNOWFALL TOTAL FOR JANUARY WAS 4.9
INCHES WHICH FELL ON THE 30TH.


...RECORDS...

ON JANUARY 29TH...WARMEST LOW TEMPERATURE FOR THE DATE...34 DEGREES.
THE PREVIOUS RECORD WAS 33 DEGREES WHICH OCCURRED IN 1931.


...DISCUSSION...

THE UPPER FLOW ACROSS THE REGION ALTERNATED FROM NORTHWEST TO
SOUTHWEST DURING THE MONTH...WITH THE MILDER SOUTHWEST FLOW PUSHING
THE MONTHLY TEMPERATURE INTO THE ABOVE NORMAL RANGE. THIS EVEN
THOUGH 13 DAYS DURING THE MONTH POSTED BELOW NORMAL DAILY
AVERAGES. OFFSETTING THIS WERE 7 DAYS DURING THE MONTH WITH
HIGH TEMPERATURES IN THE 40S...WITH ANOTHER 7 DAYS WITH HIGHS IN THE
30S. VERY DRY WEATHER PREVAILED DURING THE FIRST 3 WEEKS OF THE MONTH
AS THE BULK OF THE MONTHS PRECIPITATION...0.91 INCHES...FELL DURING
THE LAST WEEK.


...LOOKING AHEAD TO FEBRUARY...

ON AVERAGE...FEBRUARY IS THE 3RD COLDEST MONTH OF THE YEAR IN LA
CROSSE. THE AVERAGE TEMPERATURE IS 22.5 DEGREES...WITH AN AVERAGE
HIGH OF 31.4 DEGREES AND AN AVERAGE LOW OF 13.6 DEGREES. ON
AVERAGE...FEBRUARY HAS 6.7 DAYS WHEN THE MERCURY FALLS TO ZERO OR
LOWER...AND 14.2 DAYS WHEN THE HIGH TEMPERATURE STAYS AT OR BELOW
FREEZING. HOWEVER...TEMPERATURES SLOWLY WARM THROUGH THE MONTH WITH
THE AVERAGE DAILY TEMPERATURE INCREASING FROM 19 DEGREES ON THE
1ST...TO 28 DEGREES ON THE 28TH.

FEBRUARY IS NORMALLY A DRY MONTH WITH 1.05 INCHES OF LIQUID
PRECIPITATION ON AVERAGE. A TYPICAL FEBRUARY WILL HAVE AROUND 8.0
INCHES OF SNOW...WITH 2.5 DAYS SEEING AN INCH OR MORE.


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