National Weather Service United States Department of Commerce

 

.SEPTEMBER 2015 WAS WARMER AND WETTER THAN NORMAL AT DULUTH MN...

THE AVERAGE TEMPERATURE FOR SEPTEMBER WAS 61.5 DEGREES WHICH WAS 5.9
DEGREES ABOVE THE NORMAL OF 55.6 DEGREES TYING THIS FOR THE 3RD
WARMEST SEPTEMBER IN STATION HISTORY. THE HIGHEST TEMPERATURE FOR
THE MONTH WAS 85 DEGREES ON THE 1ST. THE LOWEST TEMPERATURE WAS 34
DEGREES ON THE 30TH. ONE DAILY TEMPERATURE RECORD WAS SET FOR THE
MONTH. A NEW WARMEST MINIMUM TEMPERATURE OF 67 DEGREES WAS SET ON
THE 16TH. THIS IS WARMER THAN THE PREVIOUS RECORD OF 60 DEGREES SET
IN 2006.

SEPTEMBER 2015 WAS WETTER THAN NORMAL WITH A TOTAL OF 6.81 INCHES OF
PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 2.70 INCHES ABOVE THE
NORMAL OF 4.11 INCHES MAKING THIS THE 5TH WETTEST SEPTEMBER IN
RECORDED HISTORY. THE GREATEST AMOUNT OF PRECIPITATION IN A 24 HOUR
PERIOD OCCURRED ON THE 2ND WHEN 2.02 INCHES WAS RECORDED. AT LEAST A
TRACE OF PRECIPITATION WAS RECORDED ON 14 DAYS. AT LEAST 0.01 INCHES
OF PRECIPITATION FELL ON 8 DAYS. AT LEAST 0.10 INCHES FELL ON 6
DAYS. AT LEAST 0.50 INCHES FELL ON 5 DAYS. AT LEAST 1.00 INCHES FELL
ON 4 DAYS. THERE WAS 0.0 INCHES OF SNOW FOR THE MONTH WHICH IS 0.1
INCHES BELOW THE NORMAL OF 0.1 INCHES TYING THIS FOR THE LEAST
SNOWIEST SEPTEMBER IN STATION HISTORY. NO DAILY PRECIPITATION OR
SNOWFALL RECORDS WERE SET FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 9.4 MPH. THE WINDIEST DAY
FOR THE MONTH WAS ON THE 21ST WITH AN AVERAGE WIND SPEED OF 15.9
MPH. THE HIGHEST SUSTAINED WINDS OCCURRED ON THE 2ND AND 17TH WITH A
WIND FROM THE SOUTH AT 28 MPH. A PEAK GUST OF 36 MPH FROM THE SOUTH
WAS RECORDED ON THE 2ND. THERE WERE 149 HEATING DEGREE DAYS FOR THE
MONTH WHICH WAS 149 BELOW THE NORMAL OF 298. THIS BROUGHT THE
SEASONAL TOTAL TO 245 WHICH WAS 202 BELOW THE NORMAL OF 447. THERE
WERE 54 COOLING DEGREE DAYS FOR THE MONTH WHICH WAS 40 ABOVE THE
NORMAL OF 14. THE SEASONAL TOTAL COOLING DEGREE DAYS STANDS AT 332
WHICH IS 128 DEGREES ABOVE THE NORMAL OF 204. THE HIGHEST BAROMETRIC
READING FOR THE MONTH WAS 30.43 INCHES REACHED ON THE 30TH AND THE
LOWEST BAROMETRIC PRESSURE READING WAS 29.62 INCHES REACHED ON THE
17TH.

THE OUTLOOK FOR OCTOBER...NORMAL HIGHS START IN THE UPPER 50S AND
COOL TO THE MID 40S AT THE END OF THE MONTH. NORMAL LOWS FOR THE
MONTH START AT 40 DEGREES AND COOL TO 30 DEGREES AT THE END OF THE
MONTH. NORMAL PRECIPITATION FOR OCTOBER IS 2.85 INCHES. NORMAL
SNOWFALL FOR OCTOBER IS 2.3 INCHES. ABOVE AVERAGE TEMPERATURES AND
BELOW NORMAL PRECIPITATION ARE FORECASTED FOR OCTOBER.
 

.SEPTEMBER 2015 WAS WARMER AND DRIER THAN NORMAL AT INTERNATIONAL
FALLS MN...

THE AVERAGE TEMPERATURE FOR SEPTEMBER WAS 59.0 DEGREES WHICH WAS 5.4
DEGREES ABOVE THE NORMAL OF 53.6 DEGREES MAKING THIS THE 6TH WARMEST
SEPTEMBER IN STATION HISTORY. THE HIGHEST TEMPERATURE FOR THE MONTH
WAS 86 DEGREES ON THE 4TH. THE LOWEST TEMPERATURE WAS 23 DEGREES ON
THE 30TH. TWO DAILY TEMPERATURE RECORDS WERE TIED OR SET FOR THE
MONTH. A NEW WARMEST MINIMUM TEMPERATURE OF 66 DEGREES WAS SET ON
THE 16TH. THIS IS WARMER THAN THE PREVIOUS RECORD OF 60 DEGREES SET
IN 2006. A RECORD LOW TEMPERATURE OF 23 DEGREES WAS RECORDED ON THE
29TH. THIS TIES THE OLD RECORD SET IN 1907.

SEPTEMBER 2015 WAS DRIER THAN NORMAL WITH A TOTAL OF 1.18 INCHES OF
PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 1.81 INCHES BELOW THE
NORMAL OF 2.99 INCHES MAKING THIS THE 10TH DRIEST SEPTEMBER IN
RECORDED HISTORY. THE GREATEST AMOUNT OF PRECIPITATION IN A 24 HOUR
PERIOD OCCURRED ON THE 4TH THROUGH THE 5TH WHEN 0.78 INCHES WAS
RECORDED. AT LEAST A TRACE OF PRECIPITATION WAS RECORDED ON 11 DAYS.
AT LEAST 0.01 OF AN INCH OF PRECIPITATION FELL ON 7 DAYS. AT LEAST
0.10 OF AN INCH FELL ON 3 DAYS.  AT LEAST 0.50 INCHES OF
PRECIPITATION FELL ON 1 DAY. THERE WAS 0.0 INCHES OF SNOW FOR THE
MONTH WHICH IS 0.1 INCHES BELOW THE NORMAL OF 0.1 INCHES TYING THIS
FOR THE LEAST SNOWIEST SEPTEMBER IN STATION HISTORY. NO DAILY
PRECIPITATION OR SNOWFALL RECORDS WERE SET FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 6.0 MPH. THE WINDIEST DAY
FOR THE MONTH WAS ON THE 4TH AND 13TH WITH AN AVERAGE WIND SPEED OF
9.3 MPH. THE HIGHEST SUSTAINED WINDS OCCURRED ON THE 8TH WITH A WIND
FROM THE WEST AT 23 MPH. A PEAK GUST OF 32 MPH FROM THE NORTHWEST
WAS RECORDED ON THE 8TH. THERE WERE 220 HEATING DEGREE DAYS FOR THE
MONTH WHICH WAS 133 BELOW THE NORMAL OF 353. THIS BROUGHT THE
SEASONAL TOTAL TO 396 WHICH WAS 138 BELOW THE NORMAL OF 534. THERE
WERE 47 COOLING DEGREE DAYS FOR THE MONTH WHICH WAS 36 ABOVE THE
NORMAL OF 11. THE SEASONAL TOTAL COOLING DEGREE DAYS STANDS AT 210
WHICH IS 18 DEGREES ABOVE THE NORMAL OF 192. THE HIGHEST BAROMETRIC
READING FOR THE MONTH WAS 30.40 INCHES REACHED ON THE 30TH AND THE
LOWEST BAROMETRIC PRESSURE READING WAS 29.53 INCHES REACHED ON THE
17TH.

THE OUTLOOK FOR OCTOBER...NORMAL HIGHS BEGIN THE MONTH IN THE UPPER
50S AND COOL TO THE LOWER 40S AT THE END OF THE MONTH. NORMAL LOWS
FOR THE MONTH START IN THE MID 30S AND COOL TO THE MID 20S AT THE
END OF THE MONTH. NORMAL PRECIPITATION FOR OCTOBER IS 2.08 INCHES.
NORMAL SNOWFALL FOR OCTOBER IS 2.2 INCHES. ABOVE NORMAL TEMPERATURES
AND BELOW NORMAL PRECIPITATION ARE FORECASTED FOR OCTOBER.