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Chicago 2012 Record Watch


Chicago Storm

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0.1" of snow has fallen at ORD so far today. This ends the long period without measurable snow, with two new records being set...

Longest Periods Without Measurable (0.1"+) Snow:

1. 290 Days - 3/5-12/19/2012

2. 280 Days - 3/1-12/05/1994

3. 277 Days - 3/10-12/11/1946

4. 269 Days - 3/11-12/4/1999

Latest First Measurable (0.1"+) Snow:

1. 12/20/2012

1. 12/16/1965

3. 12/14/2001

4. 12/12/1946

5. 12/10/2003

6. 12/9/2011

6. 12/9/1948

8. 12/7/1914

9. 12/6/1994

10. 12/5/1999

10. 12/5/1984

10. 12/5/1973

10. 12/5/1909

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From NWS LOT:

Unprecedented Lack of Winter Continues in Chicago

PUBLIC INFORMATION STATEMENT

NATIONAL WEATHER SERVICE CHICAGO IL

522 AM CST FRI DEC 21 2012 /622 AM EST FRI DEC 21 2012/

...UNPRECEDENTED STREAK OF SEEMINGLY WINTER-LESS WEATHER CONTINUES

IN CHICAGO...

THURSDAY`S STORM IN CHICAGO MANAGED TO MUSTER UP A COUPLE TENTHS

OF AN INCH OF ACCUMULATION WHICH OFFICIALLY ENDED CHICAGO`S SNOW

DROUGHT AND ESTABLISHED NEW RECORDS FOR LATEST FIRST MEASURABLE

SNOWFALL AND LONGEST STRETCH OF NO MEASURABLE SNOWFALL EVER IN

CHICAGO. HOWEVER...THURSDAY STORM HAS LEFT INTACT SOME OTHER

NOTABLE STREAKS FOR CHICAGO.

TEMPERATURES AT MIDNIGHT WERE STILL ABOVE FREEZING...SO THE STREAK

OF DAYS WITHOUT A SUB-FREEZING HIGH TEMPERATURE CONTINUES IN

CHICAGO. TODAY`S HIGH TEMPERATURE ABOVE FREEZING MAKES IT THE 300TH

CONSECUTIVE DAY WITHOUT A HIGH TEMPERATURE BELOW FREEZING...TYING

2004 FOR THE 2ND LONGEST STREAK. THE FORECAST SUGGESTS THIS STREAK

WILL CONTINUE THIS WEEKEND WHICH WOULD MAKE THIS YEAR THE LONGEST

STREAK WITHOUT A SUB-FREEZING HIGH TEMPERATURE SINCE 1878 WHEN

CHICAGO`S OFFICIAL OBSERVATION STATION WAS AT THE CHICAGO OPERA

HOUSE ON THE CORNER OF CLARK AND WASHINGTON IN THE LOOP. HERE ARE

THE TOP 5 LONGEST STREAKS OF CONSECUTIVE DAYS WITHOUT A HIGH

TEMPERATURE ABOVE FREEZING...

# DAYS END DATE

1) 308 12/15/1878

2) 300+ 12/21/2012+

300 12/12/2004

4) 290 12/09/2011

5) 289 12/24/1918

NOW THAT TODAYS HIGH TEMPERATURE IN CHICAGO WILL OFFICIALLY BE AT

LEAST 33F (THE READING AT MIDNIGHT)...THIS YEAR IN CHICAGO IS NOW

GUARANTEED TO MOVE INTO AT LEAST A TIE FOR 5TH PLACE FOR LATEST

FIRST DAY OF THE SEASON WITH A HIGH TEMPERATURE BELOW FREEZING.

HERE ARE THE TOP 5 LATEST DATES FOR FIRST DAY WITH HIGHS BELOW

FREEZING...

1) JAN 1 1924

2) DEC 28 1971

3) DEC 25 1918

4) DEC 24 2011

5) DEC 22 1998

??? ?? 2012

THE LAST TIME CHICAGO HAS HAD A CALENDAR DAY SNOWFALL OF ONE INCH

WAS BACK ON FEBRUARY 24TH...SO TODAY WILL BE THE 301ST CONSECUTIVE

DAY WITHOUT A 1 INCH SNOWFALL MAKING IT THE 8TH LONGEST STREAK

EVER IN CHICAGO. WITH SEVERAL MORE DAYS OF NO SNOW EXPECTED...THIS

YEAR IS BOUND TO MOVE UP IN THE RANKINGS. HERE ARE THE TOP TEN

LONGEST STREAKS WITHOUT A 1 INCH CALENDAR SNOWFALL...

# DAYS END DATE

1) 319 01/06/1940

2) 315 12/07/1958

3) 307 12/03/1921

4) 305 01/15/2002

5) 303 01/07/1944

6) 302 12/09/1988

302 11/16/1927

8) 301+ 12/21/2012+

9) 299 12/29/1990

10) 298 12/23/1918

CALENDAR SNOWFALL MAY BE SOMEWHAT DECEPTIVE SINCE THERE WERE LIKELY

EVENTS IN SOME OF THOSE YEARS WHERE A SNOWFALL MAY HAVE CROSSED

CALENDAR DAYS WITH A STORM TOTAL GREATER THAN 1 INCH...BUT EACH

CALENDAR DAY LESS THAN AN INCH RESPECTIVELY. TO REALLY PUT OUR SNOW

DROUGHT IN PERSPECTIVE...IT HAS BEEN 299 DAYS NOW SINCE CHICAGO HAS

OFFICIALLY HAD AN INCH OF SNOW ON THE GROUND. THIS IS THE 3RD

LONGEST STREAK OF CONSECUTIVE DAYS WITHOUT AN INCH OF SNOW ON THE

GROUND. HERE ARE THE TOP 5 LONGEST STREAKS...

# DAYS END DATE

1) 313 01/06/1940

2) 302 01/07/1944

3) 299+ 12/21/2012+

4) 296 12/12/1988

296 12/14/1946

ANOTHER INTERESTING STATISTIC IS THAT CHICAGO HAS HAD 344 DAYS WITH

HIGHS AT OR ABOVE FREEZING SO FAR THIS YEAR...WHICH ALREADY PLACES

US TIED FOR THE 8TH MOST NUMBER OF DAYS WITH HIGHS AT OR ABOVE

FREEZING IN A YEAR. WITH 10 MORE DAYS TO GO THIS YEAR AND MANY OF

THEM LIKELY ABOVE FREEZING 2012 IS LIKELY TO MOVE UP IN THE RANKING

HERE AS WELL. HERE ARE THE TOP 10 MOST NUMBER OF DAYS ABOVE FREEZING

IN A YEAR...

# DAYS YEAR

1) 355 1931

2) 353 2006

3) 348 1990

4) 346 1987

5) 345 1878

345 1992

345 1998

8) 344 1954

9) 343+ 2012 (THROUGH AND INCLUDING 12/21/2012)

10) 342 1882

342 1911

342 1921

FINALLY...THE AVERAGE TEMPERATURE IN CHICAGO SO FAR THIS YEAR HAS

BEEN 55.4 DEGREES WHICH PLACES 2012 WITHIN STRIKING DISTANCE OF

BREAKING THE RECORD FOR THE WARMEST YEAR EVER IN CHICAGO. THE

PREVIOUS RECORD WARMEST YEAR WAS 1921 WHEN THE AVERAGE TEMPERATURE

WAS 54.5F. IN ORDER TO HAVE THIS YEAR AVERAGE 54.6F AND BREAK THE

RECORD THE LAST 11 DAYS OF THE YEAR NEED TO HAVE AN AVERAGE

TEMPERATURE OF APPROXIMATELY 28.8F. IN ORDER FOR 2012 TO BE TIED FOR

THE WARMEST YEAR ON RECORD IN CHICAGO THE REMAINING 11 DAYS OF THE

YEAR WOULD NEED TO HAVE AN AVERAGE TEMPERATURE OF APPROXIMATELY

25.5F.

$$

IZZI

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From NWS LOT:

Unprecedented Lack of Winter Continues in Chicago

PUBLIC INFORMATION STATEMENT

NATIONAL WEATHER SERVICE CHICAGO IL

522 AM CST FRI DEC 21 2012 /622 AM EST FRI DEC 21 2012/

...UNPRECEDENTED STREAK OF SEEMINGLY WINTER-LESS WEATHER CONTINUES

IN CHICAGO...

THURSDAY`S STORM IN CHICAGO MANAGED TO MUSTER UP A COUPLE TENTHS

OF AN INCH OF ACCUMULATION WHICH OFFICIALLY ENDED CHICAGO`S SNOW

DROUGHT AND ESTABLISHED NEW RECORDS FOR LATEST FIRST MEASURABLE

SNOWFALL AND LONGEST STRETCH OF NO MEASURABLE SNOWFALL EVER IN

CHICAGO. HOWEVER...THURSDAY STORM HAS LEFT INTACT SOME OTHER

NOTABLE STREAKS FOR CHICAGO.

TEMPERATURES AT MIDNIGHT WERE STILL ABOVE FREEZING...SO THE STREAK

OF DAYS WITHOUT A SUB-FREEZING HIGH TEMPERATURE CONTINUES IN

CHICAGO. TODAY`S HIGH TEMPERATURE ABOVE FREEZING MAKES IT THE 300TH

CONSECUTIVE DAY WITHOUT A HIGH TEMPERATURE BELOW FREEZING...TYING

2004 FOR THE 2ND LONGEST STREAK. THE FORECAST SUGGESTS THIS STREAK

WILL CONTINUE THIS WEEKEND WHICH WOULD MAKE THIS YEAR THE LONGEST

STREAK WITHOUT A SUB-FREEZING HIGH TEMPERATURE SINCE 1878 WHEN

CHICAGO`S OFFICIAL OBSERVATION STATION WAS AT THE CHICAGO OPERA

HOUSE ON THE CORNER OF CLARK AND WASHINGTON IN THE LOOP. HERE ARE

THE TOP 5 LONGEST STREAKS OF CONSECUTIVE DAYS WITHOUT A HIGH

TEMPERATURE ABOVE FREEZING...

# DAYS END DATE

1) 308 12/15/1878

2) 300+ 12/21/2012+

300 12/12/2004

4) 290 12/09/2011

5) 289 12/24/1918

NOW THAT TODAYS HIGH TEMPERATURE IN CHICAGO WILL OFFICIALLY BE AT

LEAST 33F (THE READING AT MIDNIGHT)...THIS YEAR IN CHICAGO IS NOW

GUARANTEED TO MOVE INTO AT LEAST A TIE FOR 5TH PLACE FOR LATEST

FIRST DAY OF THE SEASON WITH A HIGH TEMPERATURE BELOW FREEZING.

HERE ARE THE TOP 5 LATEST DATES FOR FIRST DAY WITH HIGHS BELOW

FREEZING...

1) JAN 1 1924

2) DEC 28 1971

3) DEC 25 1918

4) DEC 24 2011

5) DEC 22 1998

??? ?? 2012

THE LAST TIME CHICAGO HAS HAD A CALENDAR DAY SNOWFALL OF ONE INCH

WAS BACK ON FEBRUARY 24TH...SO TODAY WILL BE THE 301ST CONSECUTIVE

DAY WITHOUT A 1 INCH SNOWFALL MAKING IT THE 8TH LONGEST STREAK

EVER IN CHICAGO. WITH SEVERAL MORE DAYS OF NO SNOW EXPECTED...THIS

YEAR IS BOUND TO MOVE UP IN THE RANKINGS. HERE ARE THE TOP TEN

LONGEST STREAKS WITHOUT A 1 INCH CALENDAR SNOWFALL...

# DAYS END DATE

1) 319 01/06/1940

2) 315 12/07/1958

3) 307 12/03/1921

4) 305 01/15/2002

5) 303 01/07/1944

6) 302 12/09/1988

302 11/16/1927

8) 301+ 12/21/2012+

9) 299 12/29/1990

10) 298 12/23/1918

CALENDAR SNOWFALL MAY BE SOMEWHAT DECEPTIVE SINCE THERE WERE LIKELY

EVENTS IN SOME OF THOSE YEARS WHERE A SNOWFALL MAY HAVE CROSSED

CALENDAR DAYS WITH A STORM TOTAL GREATER THAN 1 INCH...BUT EACH

CALENDAR DAY LESS THAN AN INCH RESPECTIVELY. TO REALLY PUT OUR SNOW

DROUGHT IN PERSPECTIVE...IT HAS BEEN 299 DAYS NOW SINCE CHICAGO HAS

OFFICIALLY HAD AN INCH OF SNOW ON THE GROUND. THIS IS THE 3RD

LONGEST STREAK OF CONSECUTIVE DAYS WITHOUT AN INCH OF SNOW ON THE

GROUND. HERE ARE THE TOP 5 LONGEST STREAKS...

# DAYS END DATE

1) 313 01/06/1940

2) 302 01/07/1944

3) 299+ 12/21/2012+

4) 296 12/12/1988

296 12/14/1946

ANOTHER INTERESTING STATISTIC IS THAT CHICAGO HAS HAD 344 DAYS WITH

HIGHS AT OR ABOVE FREEZING SO FAR THIS YEAR...WHICH ALREADY PLACES

US TIED FOR THE 8TH MOST NUMBER OF DAYS WITH HIGHS AT OR ABOVE

FREEZING IN A YEAR. WITH 10 MORE DAYS TO GO THIS YEAR AND MANY OF

THEM LIKELY ABOVE FREEZING 2012 IS LIKELY TO MOVE UP IN THE RANKING

HERE AS WELL. HERE ARE THE TOP 10 MOST NUMBER OF DAYS ABOVE FREEZING

IN A YEAR...

# DAYS YEAR

1) 355 1931

2) 353 2006

3) 348 1990

4) 346 1987

5) 345 1878

345 1992

345 1998

8) 344 1954

9) 343+ 2012 (THROUGH AND INCLUDING 12/21/2012)

10) 342 1882

342 1911

342 1921

FINALLY...THE AVERAGE TEMPERATURE IN CHICAGO SO FAR THIS YEAR HAS

BEEN 55.4 DEGREES WHICH PLACES 2012 WITHIN STRIKING DISTANCE OF

BREAKING THE RECORD FOR THE WARMEST YEAR EVER IN CHICAGO. THE

PREVIOUS RECORD WARMEST YEAR WAS 1921 WHEN THE AVERAGE TEMPERATURE

WAS 54.5F. IN ORDER TO HAVE THIS YEAR AVERAGE 54.6F AND BREAK THE

RECORD THE LAST 11 DAYS OF THE YEAR NEED TO HAVE AN AVERAGE

TEMPERATURE OF APPROXIMATELY 28.8F. IN ORDER FOR 2012 TO BE TIED FOR

THE WARMEST YEAR ON RECORD IN CHICAGO THE REMAINING 11 DAYS OF THE

YEAR WOULD NEED TO HAVE AN AVERAGE TEMPERATURE OF APPROXIMATELY

25.5F.

$$

IZZI

wow talk about a bust. Two tenths of an inch???? Wasn't the entire area under a winterstorm warning??

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Adding a few more records to watch and updating the ones posted from LOT on Fri...

Least Snowy Decembers:

1. Trace - 1912

1. Trace - 1889

3. 0.1" - 1943

4. 0.3" - 2012

4. 0.3" - 1971

4. 0.3" - 1906

7. 0.4" - 1986

8. 0.5" - 1939

9. 0.6" - 2004

10. 0.8" - 1936

Least Snowy Winter Month:

1. Trace - Feb. 1998

1. Trace - Feb. 1987

1. Trace - Dec. 1912

1. Trace - Dec. 1889

5. 0.1" - Dec. 1943

6. 0.2" - Jan. 1928

7. 0.3" Dec. 2012

7. 0.3" - Feb. 1996

7. 0.3" - Dec. 1971

7. 0.3" - Jan. 1934

7. 0.3" - Feb. 1921

7. 0.3" - Dec. 1906

7. 0.3" - Jan. 1900

Consecutive Days Without A Sub-32F High Temp:

1. 308 - 12/15/1878

2. 303 - 2012

3. 300 - 12/12/2004

4. 290 - 12/9/2011

5. 289 - 12/24/1918

Latest First Sub-32F High temp:

1. 1/1/1923

2. 12/28/1971

3. 12/25/1918

4. 12/24/2012

4. 12/24/2001

6. 12/22/1998

7. 12/21/1939

8. 12/18/1921

9. 12/17/1999

9. 12/17/1987

Consecutive Days Since Last 1.0"+ Calender Day Snowfall:

1. 319 - 1/6/1940

2. 315 - 12/07/1958

3. 307 - 12/03/1921

4. 305 - 1/15/2002

5. 304 - 12/24/2012

6. 303 - 1/07/1944

7. 302 - 12/09/1988

7. 302 - 11/16/1927

9. 299 - 12/29/1990

10. 298 - 12/23/1918

Consecutive Days Since Last 1.0"+ Snow Depth:

1. 313 - 1/06/1940

2. 302 - 12/24/2012

2. 302 - 1/07/1944

4. 296 - 12/12/1988

4. 296 - 12/14/1946

Days With 32F+ High Temp:

1. 355 - 1931

2. 353 - 2006

3. 348 - 1990

4. 346 - 2012

4. 346 - 1987

6. 345 - 1878

6. 345 - 1992

6. 345 - 1998

9. 344 - 1954

10. 342 - 1921

10. 342 - 1911

10. 342 - 1882

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From NWS LOT:

Chicago's Lack of Cold and Snow Nearing All-Time Records

Chicago has yet to have any meaningful cold or snow so far this winter, and it's beginning to approach the point where it's not just highly unusual, but actually record breaking. Through December 27, there has not been a single day this season that the high temperature has failed to reach the freezing mark. This year now ranks #3 for the latest first sub-freezing high of the season and we could continue to move up in the rankings the next week. Here are the top five latest first sub-freezing high temperatures of the season...

(1) January 1, 1924

(2) December 28, 1971

(3) December 27, 2012 +

(4) December 25, 1918

(5) December 22, 1998

Chicago is also in the midst of a near record long stretch of days without a sub-freezing high temperature. Here are the top 5 longest stretches without a high temperature below freezing...

(1) 308 days, ending 12/15/1978

(2) 306 days, through 12/27/2012 +

(3) 300 days, ending 12/12/2004

(4) 290 days, ending 12/9/2011

(5) 290 days, ending 12/24/1918

Through December 27, there have been 350 days with high temperatures at or above freezing in Chicago, which currently ranks as the 3rd greatest number of days in a year with highs at or above freezing. With several more days forecast with highs near or above freezing, Chicago is likely to add on to this tally a bit more. Here are the top 5 most number of days in a year for Chicago to reach at least 32F for a high temperature...

(1) 355 days in 1931

(2) 353 days in 2006

(3) 350 days in 2012 +

(4) 348 days in 1990

(5) 346 days in 1987

While a few areas in the city have seen a bit more snow, officially Chicago has only picked up 0.4" through December 27 and has yet to have a calendar day this season with at least an inch of snow. Currently, the streak of consecutive days without without an inch of snowfall stands at 307, with the last 1" or greater calendar day snowfall back on February 24th. This year is currently tied for 3rd place and may move up further in the rankings. Here are the top 5 longest streaks without at least an inch of snowfall...

(1) 319 days, ending 1/6/1940

(2) 315 days, ending 12/7/1958

(3T) 307 days, through 12/27/2012 +

(3T) 307 days, ending 12/3/1921

(5) 305 days, ending 1/15/2002

Calendar day snowfall records of an inch or greater, while impressive, do not account for snow that may cross the calendar day and add up to an inch. Looking at the number of consecutive days without a snow depth measured of at least 1" really tells the story of just how unusual it is for Chicago to go this long without the ground being covered in at least an inch of snow. Through December 27, it has been 305 days since Chicago has officially had an inch of snow on the ground, making this the 2nd longest stretch of its kind in history in Chicago. Here are the top 5 longest stretches without a snow depth of at least an inch...

(1) 313 days, ending 1/6/1940

(2) 305 days, through 12/27/2012 +

(3) 302 days, through 1/7/1944

(4T) 296 days, ending 12/12/1988

(4T) 296 days, ending 12/14/1946

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