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November  |  Meteorological Fall  | Event Links

November

November 2015 was warmer than normal and wetter than normal for most of the area. The monthly average temperature ranged from 2 to 4 degrees above normal across the area and precipitation percentage of normal was highest in areas across north central Illinois. Snow amounts were also above normal, with the greatest amounts across northern Illinois. 

 
November 2015 Climate Review (click to enlarge)
November 2015 Climate Review
November 2015 Climate Review

 

Monthly Climate Reports: Chicago  |  Rockford

Chicago and Rockford Climate Overview:

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
720 AM CST TUE DEC 01 2015

...A LOOK BACK AT THE CLIMATE FOR THE MONTH OF NOVEMBER 2015 FOR CHICAGO
AND ROCKFORD...

AT CHICAGO...THE AVERAGE HIGH TEMPERATURE WAS 53.7 DEGREES WHICH IS
5.5 DEGREES ABOVE NORMAL. THE AVERAGE LOW TEMPERATURE WAS 35.5
DEGREES WHICH IS 3.1 DEGREES ABOVE NORMAL. THE AVERAGE TEMPERATURE
FOR THE MONTH WAS 44.6 DEGREES WHICH IS 4.3 DEGREES ABOVE NORMAL.
DURING THE MONTH OF NOVEMBER...4.49 INCHES OF PRECIPITATION WAS RECORDED
WHICH IS 1.34 INCHES ABOVE NORMAL. DURING THE MONTH OF NOVEMBER...11.2
INCHES OF SNOW FELL WHICH IS 10.0 INCHES ABOVE NORMAL.

THERE WERE THREE RECORDS SET FOR CHICAGO FOR THE MONTH OF NOVEMBER 2015...
*  RECORD DAILY WARMEST MINIMUM TEMPERATURE OF 59 DEGREES
   SET ON NOVEMBER 5. PREVIOUS RECORD WAS 54 SET IN 1956.

*  RECORD DAILY SNOWFALL OF 4.2 INCHES SET ON NOVEMBER 20.
   PREVIOUS RECORD WAS 2.8 INCHES IN 1996.

*  RECORD DAILY SNOWFALL OF 7.0 INCHES SET ON NOVEMBER 21.
   PREVIOUS RECORD WAS 3.0 INCHES IN 1893.

ALTHOUGH NOT RECORDS...HERE ARE SOME OTHER NUMBERS FOR NOVEMBER 2015.
*  15TH WARMEST NOVEMBER ON RECORD DATING BACK TO 1872.
*  15TH WETTEST NOVEMBER ON RECORD DATING BACK TO 1871.
*  4TH SNOWIEST NOVEMBER ON RECORD DATING BACK TO 1884.


AT ROCKFORD...THE AVERAGE HIGH TEMPERATURE WAS 52.4 DEGREES WHICH IS
4.8 DEGREES ABOVE NORMAL. THE AVERAGE LOW TEMPERATURE WAS 34.1
DEGREES WHICH IS 3.8 DEGREES ABOVE NORMAL. THE AVERAGE
TEMPERATURE FOR THE MONTH WAS 43.3 DEGREES WHICH IS 4.4 DEGREES
ABOVE NORMAL.  DURING THE MONTH OF NOVEMBER...5.55 INCHES OF
PRECIPITATION WAS RECORDED WHICH IS 2.97 INCHES ABOVE NORMAL.
DURING THE MONTH OF NOVEMBER...8.8 INCHES OF SNOW FELL WHICH IS 7.1
INCHES ABOVE NORMAL.

THERE WERE FIVE RECORDS FOR ROCKFORD FOR THE MONTH OF NOVEMBER 2015...
*  WARMEST DAILY MINIMUM TEMPERATURE OF 58 DEGREES ON NOVEMBER 5.
   PREVIOUS RECORD WAS 52 DEGREES IN 1956.

*  MAXIMUM DAILY SNOWFALL OF 4.9 INCHES SET ON NOVEMBER 20.
   PREVIOUS RECORD WAS 2.4 INCHES IN 1964.

*  MAXIMUM DAILY SNOWFALL OF 3.9 INCHES SET ON NOVEMBER 21.
   PREVIOUS RECORD WAS 1.0 INCHES IN 2007.

*  MAXIMUM DAILY RAINFALL OF 1.51 INCHES SET ON NOVEMBER 26.
   PREVIOUS RECORD WAS 1.30 INCHES IN 1934.

*  RECORD DAILY RAINFALL FOR THE THANKSGIVING HOLIDAY WITH 1.51 INCHES.
   PREVIOUS RECORD WAS 0.81 INCHES ON NOVEMBER 28 1918.

ALTHOUGH NOT RECORDS...HERE ARE SOME OTHER NUMBERS FOR NOVEMBER 2015.
*  3RD WETTEST NOVEMBER ON RECORD DATING BACK TO 1905.
*  7TH WARMEST NOVEMBER ON RECORD DATING BACK TO 1905.
*  3RD SNOWIEST NOVEMBER ON RECORD DATING BACK TO 1905.

$$
ACS


Meteorological Fall

Meteorological Fall 2015 was very mild across the Midwest and also wetter than normal for most of northern Illinois, though drier than normal conditions were observed in parts of northwest Indiana. It was much snowier than normal due to the significant, near record for some areas, November 20-21 snowstorm.

Fall 2015 Climate Review (click to enlarge)
Meteorological Fall 2015 Rainfall and Temperatures
Meteorological Fall 2015 Snowfall

 

Seasonal Climate Reports: Chicago  |  Rockford

Chicago and Rockford Climate Overview: 

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
750 AM CST TUE DEC 1 2015

...A LOOK BACK AT THE CLIMATE FOR METEOROLOGICAL FALL
(SEPTEMBER...OCTOBER...NOVEMBER) 2015 FOR CHICAGO AND ROCKFORD...

AT CHICAGO...THE AVERAGE HIGH TEMPERATURE FOR THE FALL SEASON WAS
65.0 DEGREES WHICH IS 3.2 DEGREES ABOVE THE 1981 TO 2010 AVERAGE.
THE AVERAGE LOW TEMPERATURE WAS 47.2 DEGREES WHICH IS 4.0 DEGREES
ABOVE NORMAL. THE MEAN TEMPERATURE FOR THE SEASON WAS 56.1 DEGREES
WHICH IS 3.6 DEGREES ABOVE NORMAL.

A TOTAL OF 11.36 INCHES OF PRECIPITATION WAS RECORDED DURING THIS
PAST FALL...WHICH IS 1.85 INCHES ABOVE NORMAL. THERE WAS A
TOTAL OF 11.2 INCHES OF SNOW RECORDED AT OHARE WHICH IS 9.8 INCHES
ABOVE NORMAL.

ALTHOUGH NO SEASONAL RECORDS WERE SET...FALL 2015 WAS THE 12TH WARMEST ON
RECORD SINCE 1872.  IT WAS ALSO THE 4TH SNOWIEST ON RECORD SINCE 1884.


AT ROCKFORD...THE AVERAGE HIGH TEMPERATURE WAS 65.4 DEGREES WHICH IS
3.5 DEGREES ABOVE NORMAL. THE AVERAGE LOW TEMPERATURE WAS 45.5
DEGREES WHICH IS 4.4 DEGREES ABOVE NORMAL. THE MEAN TEMPERATURE FOR
THE SEASON WAS 55.5 DEGREES WHICH IS 4.0 DEGREES ABOVE NORMAL.

A TOTAL OF 10.85 INCHES OF PRECIPITATION WAS RECORDED DURING THIS
PAST FALL...WHICH WAS 2.25 INCHES ABOVE NORMAL. IN
ADDITION...A TOTAL OF 8.8 INCHES OF SNOW WAS RECORDED WHICH IS 7.0
INCHES ABOVE NORMAL.

ALTHOUGH NO SEASONAL RECORDS WERE SET...FALL 2015 WAS THE 5TH WARMEST ON
RECORD SINCE 1905.  IT WAS ALSO THE 4TH SNOWIEST ON RECORD SINCE 1905.

$$
ACS

Event Links

  • November 20-21, 2015: Second largest November snowstorm on record for Rockford & Chicago; brings up to 18" near WI stateline
  • September 12, 2015:  Early season lake effect rain showers bring waterspouts; science behind waterspouts

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