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2011 GLOV Precipitation Totals And Records


Chicago WX

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2011 has been a very wet year for several sites in the region...particularly the eastern half. Quite a few have either set their wettest year on record or are having a top 5/top 10 wettest year. In this thread, post your local totals and all-time rank.

I'm posting the records for the West Lafayette 6 NW COOP, which has the longest local continuous record. The December total is only though the 15th. When it does get updated, I'll post the numbers. As it is, this is the 5th wettest year on record since 1901.

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Cincinnati:

71.65" - 2011

57.58" - 1990

54.67" - 1880

53.41" - 1996

53.22" - 1950

It's amazing that SW Ohio has avoided major flooding considering the way that record is being smashed.

Dayton:

59.75" - 1990

55.90" - 2011

54.65" - 1996

52.23" - 1993

51.26" - 1995

Dayton's top 5 rainiest years have occurred in the last 21 years.

Columbus:

53.55" - 2011

53.16" - 1990

51.30" - 1882

50.73" - 1890

49.17" - 1979

Source: NWS Wilmington (Link is probably time sensitive)

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The DeKalb (Ill.) CO-OP station on the campus of Northern Illinois University (of which I am manager) is at 41.67" year to date as of 0700 today. The annual 30-year (1981-2010) normal total is 36.79", so this year's total, if no other liquid-equivalent were measured beyond today, is 113% of that normal. In other words, somewhat above normal but nothing quite to write home about.

ORD's total has been getting some attention as vying for second-highest all-time total. However, it should probably be noted that this likely represents a spatial anomaly, as ORD was at the epicentre of a heavy-rain event on 23 July. The partial total for that event, in fact, qualified as highest calendar-day total on record. My thought is that many, if not most, annual totals across northern Illinois north of roughly Interstate 80 will come in modestly above normal. There may be another annual-total maximum in portions of far northwestern Illinois (say, in JoDaviess and Stephenson counties) due to another spatially anomalous heavy-rain event on 28 July. I will see if I can get hold of some data on that after the first of the year.

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Windsor, ON broke it's record for most precipitation in mid-October. The airport has recorded 61.28" of precipitation in 2011, blowing away the old record of 48.73" set in 1990. Of that liquid precipitation, 5.52" has fallen as snow, and 55.83" has fallen as rain.

It's had a devastating effect on agriculture around here, being described as the worst year ever for farmers.

http://www.windsorst...2347/story.html

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The DeKalb (Ill.) CO-OP station on the campus of Northern Illinois University (of which I am manager) is at 41.67" year to date as of 0700 today. The annual 30-year (1981-2010) normal total is 36.79", so this year's total, if no other liquid-equivalent were measured beyond today, is 113% of that normal. In other words, somewhat above normal but nothing quite to write home about.

ORD's total has been getting some attention as vying for second-highest all-time total. However, it should probably be noted that this likely represents a spatial anomaly, as ORD was at the epicentre of a heavy-rain event on 23 July. The partial total for that event, in fact, qualified as highest calendar-day total on record. My thought is that many, if not most, annual totals across northern Illinois north of roughly Interstate 80 will come in modestly above normal. There may be another annual-total maximum in portions of far northwestern Illinois (say, in JoDaviess and Stephenson counties) due to another spatially anomalous heavy-rain event on 28 July. I will see if I can get hold of some data on that after the first of the year.

Hard to imagine how this isn't at least partially the case with every high water mark in the area given the region's climo and semi-regular occurence of localized extreme MCS activity.

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Hard to imagine how this isn't at least partially the case with every high water mark in the area given the region's climo and semi-regular occurence of localized extreme MCS activity.

I agree. My point was that record tallies probably are not widespread across northern Illinois this year unlike in some other parts of the region (like in much of the region from, say, I-75 eastward).

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Been kinda wet here, but nothing like the totals further to the S & W. Sitting on about ~39"

2008 was the wettest year on record across the GTA.

Interestingly since the PDO shift back in 07, yearly precip. values have been above normal for the most part. 2008/2009 and this year are going to come in wetter than normal whereas last was bang on seasonal.

Winters have also been getting wetter besides 2009-10 LOL.

Lets see. Hopefully we can go back to the "snowy and cold" era prior to 1978.

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For Detroit.....we are 2nd place, with an outside shot at finishing 1st...will need a storm before new years though.

Top 10 wettest years since 1871:

01.) 47.69" - 1880

02.) 46.97" - 2011 thru Dec 21st

03.) 45.44" - 1881

04.) 43.40" - 1878

05.) 42.64" - 1990

06.) 42.18" - 2000

07.) 40.80" - 1959

08.) 40.65" - 1909

09.) 40.40" - 1876

10.) 40.08" - 1985

*********************************************

Also, this is the 8th snowiest calendar year

01.) 82.6" - 2008

02.) 81.9" - 1881

03.) 75.3" - 1974

04.) 75.3" - 2005

05.) 73.3" - 1900

06.) 71.8" - 1926

07.) 67.7" - 1886

08.) 65.2" - 2011 thru Dec 21

09.) 64.6" - 1893

10.) 64.1" - 1929

************************************

2011 precip / snow by month

JAN- 1.53" (-0.38") / 17.9" (+5.4")

FEB- 3.60" (+1.72") / 31.7" (+21.3")

MAR- 3.61" (+1.08") / 8.6" (+1.7")

APR- 5.61" (+2.56") / 1.6" (-0.1")

MAY- 5.38" (+2.33")

JUN- 0.94" (-2.61")

JUL- 7.66" (+4.50")

AUG- 2.16" (-0.84")

SEP- 6.28" (+3.01")

OCT- 2.14" (-0.38") / 0.0" (-0.1")

NOV- 6.00" (+3.21") / 0.6" (-0.8")

DEC- 2.06" (????) / 4.8" (????) thru 12/21: will update once Dec finishes

Side note: Already well over 50" precip on the year imby (52"ish I think)

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Cincinnati:

71.65" - 2011

57.58" - 1990

54.67" - 1880

53.41" - 1996

53.22" - 1950

It's amazing that SW Ohio has avoided major flooding considering the way that record is being smashed.

Dayton:

59.75" - 1990

55.90" - 2011

54.65" - 1996

52.23" - 1993

51.26" - 1995

Dayton's top 5 rainiest years have occurred in the last 21 years.

Columbus:

53.55" - 2011

53.16" - 1990

51.30" - 1882

50.73" - 1890

49.17" - 1979

Source: NWS Wilmington (Link is probably time sensitive)

Update after yesterday's downpour, Cincy is now over 6 feet for the year!

Cincinnati 1. 72.38 / 2011*

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A met from IWX provided me with FWA's data:

1. 54.58 - 1990

2. 51.78 - 1950 (1 day of data missing)

3. 48.97 - 2011

4. 44.80 - 1991

5. 44.52 - 1909

6. 44.48 - 1992

7. 44.44 - 2003

8. 44.38 - 1996

9. 43.20 - 1957

10. 43.09 - 1982

I didn't realize that 1990-1992 was such a wet period, as all 3 are in the top ten. Also, 1993 is in the top ten for both Lafayette and Chicago, but not Fort Wayne. Comparing Chicago, Fort Wayne, Detroit and Lafayette makes one appreciate differences in precipitation despite their proximity.

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2011 is now the 2nd wettest year on record for Chicago...

PUBLIC INFORMATION STATEMENT

NATIONAL WEATHER SERVICE CHICAGO IL

511 AM CST TUE DEC 27 2011 /611 AM EST TUE DEC 27 2011/

..THIS YEAR NOW RANKS AS SECOND WETTEST IN CHICAGO HISTORY

EARLY THIS MORNING...CHICAGO OHARE RECORDED MEASURABLE

PRECIPITATION AFTER MIDNIGHT MEANING THAT 2011 HAS OFFICIALLY

ECLIPSED 1983 AS THE SECOND WETTEST YEAR ON RECORD. AS OF 5 AM THIS

MORNING...CHICAGO STOOD AT 49.41 INCHES OF PRECIPITATION WITH 0.06

SINCE MIDNIGHT.

FOLLOWING IS A LISTING OF THE TOP FIVE WETTEST YEARS IN CHICAGO.

YEAR PRECIP

1. 2008 50.86

2. 2011 49.41 /AS OF 5 AM/

3. 1983 49.35

4. 1970 46.09

5. 1954 45.92

THE YEAR NOW STANDS ONLY 1.45 BEHIND 2008...BUT GIVEN THE FORECAST

THROUGH SATURDAY IT IS LIKELY 2011 WILL REMAIN AS THE SECOND WETTEST

YEAR ON RECORD.

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