Preliminary 2012 Weather in Review

Click here for: December 2012 Climate Reports

2012 Annual Climate Reports

Burlington Cedar Rapids Davenport Dubuque Iowa City Moline
           
Annual precipitation amounts for Burlington and Cedar Rapids were supplemented using
amounts from COOP sites at Burlington and Swisher during the 12/19/2012 - 12/20/2012
storm.  The airport ASOS equipment was not working during parts of this storm.
 
  ANNUAL
Average
Temperature
ANNUAL
Depature
From Normal
ANNUAL
Precipitation
Total
ANNUAL
Departure
From Normal
ANNUAL
Snowfall
Total
ANNUAL
Departure
From Normal
Burlington 55.0° +2.0° 24.92"E -13.56"E NA NA
Cedar Rapids 51.4° +3.2° 25.13"E -9.48"E NA NA
Davenport 52.8° +3.5° 30.27" -5.76" 25.0" NA
Dubuque 50.5° +3.2° 24.07" -12.22" 48.7" 6.8" (41.9")
Iowa City 53.6° +3.6° 26.12" -10.16" NA NA
Moline 53.6° +2.9° 27.25" -10.71" 20.8" -10.8" (31.6")
 
The maps below are courtesy of the High Plains Regional Climate Center.
They become available around midday on the first of the month.
Average
Temperature
Average
Temperature
Departure from Mean
Accumulated
Precipitation
Accumulated
Precipitation
Percent of Mean
 
 
Extremes
Highest Average Average Temperature degrees F
Days: 1/1 - 12/31
Length of period: 365 days
 
BURLINGTON ARPT      CEDAR RAPIDS ARPT    DUBUQUE ARPT         MOLINE ARPT       
RANK VALUE YEAR RANK VALUE YEAR RANK VALUE YEAR RANK VALUE YEAR
1 56.2 1921 1 51.5 1987 1 53.4 1931 1 55.4 1931
2 56.0 1931 2 51.4 2012 2 52.0 1921 2 54.4 1921
3 55.1 1938 3 50.2 1973 3 51.5 1941 3 53.6 2012
1999 4 50.1 1990 4 51.4 1939 4 53.4 1998
5 55.0 2012 5 2006 5 51.2 1878 5 53.2 2006
6 54.8 1939 6 50.0 1964 6 1938 6 53.0 1987
7 54.7 2006 7 49.9 1954 7 51.1 1946 7 52.7 1938
8 54.6 1933 8 1991 8 51.0 1934 8 2005
9 54.5 2007 9 49.4 2005 9 50.8 1894 9 52.6 1922
10 54.0 1922 10 49.3 1983 10 50.6 1998 10 52.3 2007
2002 11 46.6 1950
1988 12 46.2 1951


CEDAR RAPIDS NO. 1 IOWA CITY WWTP DAVEPORT ARPT IOWA CITY ARPT
RANK VALUE YEAR RANK VALUE YEAR RANK VALUE YEAR RANK VALUE YEAR
1 53.5 1931 1 54.6 1987 1 52.5 2012 1 53.7 2012
2 52.9 1998 2 53.9 1931 2 52.2 1998 2 52.5 2005
3 52.8 1987 3 53.8 2006 3 51.5 2006 3 50.6 2007
4 52.3 2006 4 53.6 1999 4 50.8 2005 4 50.5 2010
5 52.1 1922 5 53.2 1921 5 50.1 2011 5 50.4 2011
6 51.8 1990 6 1990 6 49.8 2010 6 49.4 1952
7 51.5 1999 7 53.0 1991 7 48.4 2003 7 1949
8 2002 8 52.8 2002 8 48.2 2009 8 48.8 1948
9 51.4 2005 9 52.7 2007 9 47.8 2008 9 48.5 2009
10 51.1 2001 10 52.6 1973 10 10 47.7 2008
2011 11 46.6 1950
12 46.2 1951
 
 
 

Preliminary
Significant Weather Events - 2012
 
 
 
 
 January
 
March
  • Record Warmest March for Dubuque and Moline
  • Earliest 80° High in Cedar Rapids and Dubuque
   ...RECORD WARMEST MARCH FOR DUBUQUE IA AND MOLINE IL...
  
   THE AVERAGE TEMPERATURE FOR DUBUQUE FOR MARCH 2012 WAS 50.2 DEGREES.
   THIS BREAKS THE OLD RECORD OF 47.7 DEGREES SET IN 1910.
  
   THE AVERAGE TEMPERATURE FOR MOLINE FOR MARCH 2012 WAS 53.3 DEGREES.
   THIS BREAKS THE OLD RECORD OF 49.8 DEGREES SET IN 1910.
  
          DUBUQUE              MOLINE
       WARMEST MARCH        WARMEST MARCH
         AVG TEMPS            AVG TEMPS
      ---------------      ---------------
    1 2012       50.2    1 2012       53.3 
    2 1910       47.7    2 1910       49.8
    3 1878       47.1    3 1945       48.8
    4 1945       47.0    4 1878       48.2
    5 1946       45.9    5 1946       48.0
    6 1938       42.8    6 1973       45.4
    7 2000       42.3    7 1938       44.8
      1973       42.3      1921       44.8
    9 1918       41.6      1918       44.8
   10 1977       41.5  10 1907       43.7
 
  BELOW IS A LIST OF RECORD EVENTS DURING MARCH 2012. 
  A TOTAL OF 44 RECORDS WERE ESTABLISHED.
--
------------------------------------------------------------------------------------
  * = RECORD EARLIEST 80° HIGH IN CEDAR RAPIDS 3/16/2012 (PREVIOUSLY 3/19/1921...80°)
  * = RECORD EARLIEST 80° HIGH IN DUBUQUE 3/17/2012 (PREVIOUSLY 3/21/1938...81°)
 ** = SECOND EARLIEST 80° HIGH IN MOLINE & BURLINGTON
     (RECORD EARLIEST 80° AT BOTH SITES WAS ON 3/12/1990...80°)
  T = TIE
 
                                         RECORD HIGHS
----------------------------------------------------------------------------------
                MARCH 14      MARCH 15      MARCH 16      MARCH 17      MARCH 18
----------------------------------------------------------------------------------
BURLINGTON:    79 76/1995  **81 77/1995    NA 82/1945    82 78/1903    82 80/1918
CEDAR RAPIDS: T75 75/1995    79 76/1995   *82 79/1945    82 77/1966    82 79/1918
DUBUQUE:       75 72/1995    78 71/1935   T78 78/1945   *81 78/1894    80 77/1918
MOLINE:        78 77/1995  **81 77/1995   T82 82/1945    82 78/1894    83 76/1918
----------------------------------------------------------------------------------
                                       RECORD WARM LOWS
----------------------------------------------------------------------------------
DUBUQUE:                     54 48/1946    52 46/1930    56 51/1894    54 49/1894 
MOLINE:                      57 51/1946+   52 51/1927    56 54/1894    58 52/1894 
==================================================================================
                                         RECORD HIGHS
----------------------------------------------------------------------------------
                MARCH 19      MARCH 20      MARCH 21      MARCH 22      MARCH 23
----------------------------------------------------------------------------------
BURLINGTON:    81 79/1921    80 78/1921
CEDAR RAPIDS:  81 80/1921    77 76/1938+
DUBUQUE:       NA 77/1921    80 77/1921
MOLINE:        79 78/1921+   82 77/1921
----------------------------------------------------------------------------------
                                       RECORD WARM LOWS
----------------------------------------------------------------------------------
DUBUQUE:       60 49/1910    57 42/1910    56 52/1938    60 49/1907    54 51/1936
MOLINE:        NA 63/1921    54 48/1918    55 54/1894    58 56/1907    NA 52/1936
----------------------------------------------------------------------------------
 
April
  • Little/No Spring Snowmelt Flooding
 
June
  • Severe/Extreme Drought Begins
 

The month of June was characterized by near normal temperatures and below normal precipitation for many states across the Midwest.  A few systems tracked over the region bringing some much needed rainfall to area farms.  However, the month of June still had over a 2 inch deficit over portions of Iowa, Illinois, and Missouri.  Drought conditions developed across several states in the past 4 months, with the Ohio River valley experiencing the greatest impact due to lack of rain.


July
  • Second Driest July in Dubuque
  • Sixth Warmest July on Record for Dubuque and Moline
  • Seventh Driest July for Moline
 
...JULY 2012 WAS MUCH HOTTER AND DRIER THAN NORMAL AT DUBUQUE AND MOLINE...

THE AVERAGE TEMPERATURE AT DUBUQUE FOR JULY 2012 WAS 78.2 DEGREES.
THIS MAKES JULY 2012 THE SIXTH WARMEST JULY ON RECORD.
THERE WERE 14 DAYS AT OR ABOVE 90 DEGREES WITH ONE OF THOSE DAYS TOPPING OUT AT 100 DEGREES. 
THE LAST TIME DUBUQUE REACHED 100 DEGREES WAS AUGUST 1, 1998.

THE MONTHLY PRECIPITATION FOR DUBUQUE WAS 0.46 INCHES FOR JULY 2012.
THIS MAKES JULY 2012 THE SECOND DRIEST JULY ON RECORD.

THE AVERAGE TEMPERATURE AT MOLINE FOR JULY 2012 WAS 80.7 DEGREES.
THIS MAKES JULY 2012 THE SIXTH WARMEST JULY ON RECORD.
THERE WERE 22 DAYS WITH A HIGH OF 90° OR MORE AND 5 DAYS WITH A HIGH OF 100° OR MORE.

THE MONTHLY PRECIPITATION FOR MOLINE WAS 0.45 INCHES FOR JULY 2012.
THIS MAKES JULY 2012 THE SEVENTH DRIEST JULY ON RECORD.


                 DUBUQUE               |                  MOLINE
                ---------              |                 --------
                                       |
     WARMEST JULY        DRIEST JULY   |      WARMEST JULY        DRIEST JULY
      AVG TEMPS            PRECIP      |       AVG TEMPS            PRECIP
   ---------------     --------------- |    ---------------     ---------------
 1 1901       82.2   1 1894       0.02 |  1 1936       85.0   1 1936       0.14
 2 1936       81.1   2 2012       0.46 |  2 1901       83.0   2 1913       0.18
 3 1916       80.3   3 1910       0.47 |  3 1916       82.6   3 1991       0.41
 4 1935       79.2   4 1946       0.53 |  4 1935       81.0   4 1886       0.43
 5 1921       79.0   5 1936       0.71 |  5 1921       80.9   5 1914,      0.44
 6 2012       78.2   6 1927       0.84 |  6 2012       80.7      1894      0.44
 7 1931       78.1   7 1916       0.85 |  7 1955       80.5   7 2012       0.45
 8 1887       77.8   8 1991       0.87 |  8 1987,      79.4   8 1916       0.46
 9 1934       77.7   9 1886       0.89 |     1983      79.4   9 1890       0.85
10 1955       77.5  10 1930       0.94 | 10 2006,      79.2  10 1881       0.91
                                       |     1934      79.2
                                       |     1919      79.2
 
September
  • September 5th Severe Weather
 
Courtesy of the Iowa Environmental Mesonet
Click on image to LOOP.
PRELIMINARY LOCAL STORM REPORTS

..TIME...  ...EVENT...   ...CITY LOCATION...   ...LAT.LON...
..DATE...  ....MAG....   ..COUNTY LOCATION..ST.. ...SOURCE....
      ..REMARKS..

0306 AM   HAIL      4 WNW DUBUQUE      42.52N 90.76W
09/05/2012  M0.75 INCH    DUBUQUE      IA  TRAINED SPOTTER

      PEA TO DIME SIZE HAIL REPORTED WITH HEAVY RAIN.

0315 AM   TSTM WND DMG   MOUNT VERNON      41.92N 91.42W
09/05/2012         LINN       IA  PUBLIC    

      TREE BLOWN DOWN. DELAYED REPORT. TIME ESTIMATED.

0322 AM   TSTM WND DMG   IOWA CITY       41.66N 91.54W
09/05/2012         JOHNSON      IA  LAW ENFORCEMENT

      SEVERAL TREE LIMBS REPORTED DOWN. 12 INCH DIAMETER ON
      LARGEST.

0322 AM   TSTM WND GST   IOWA CITY MUNICIPAL AIR 41.63N 91.55W
09/05/2012  M66.00 MPH    JOHNSON      IA  ASOS     

      OBSERVED WIND.

0330 AM   TSTM WND DMG   IOWA CITY       41.66N 91.54W
09/05/2012         JOHNSON      IA  PUBLIC    

      4700 BLOCK OF CHANDLER CT. IOWA CITY IA - 8-10 INCH TREE
      SPLIT IN HALF WITH HALF FALLING TO THE WEST ON TOP OF CAR
      IN DRIVEWAY AND ACROSS GARAGE ROOF. ALSO 200 BLOCK OF
      HAWKINS DRIVE IOWA CITY UI HOSPITALS AND CLINICS 8-10
      INCH BRANCHES DOWN ON NORTH SIDE OF HOSPITAL.

0354 AM   TSTM WND GST   2 N MUSCATINE      41.45N 91.07W
09/05/2012  M73 MPH     MUSCATINE     IA  CO-OP OBSERVER 

      DELAYED REPORT.
0400 AM   TSTM WND GST   4 N COTTER       41.35N 91.47W
09/05/2012  E50.00 MPH    LOUISA      IA  TRAINED SPOTTER

      RAINFALL FROM THE EVENT WAS 0.75 INCHES

0400 AM   TSTM WND GST   2 NE MUSCATINE     41.44N 91.04W
09/05/2012  E70.00 MPH    MUSCATINE     IA  TRAINED SPOTTER

      WIND GUSTS ESTIMATED TO BE 65 TO 70 MPH.

0415 AM   HEAVY RAIN    S WELLMAN       41.47N 91.84W
09/05/2012  M1.15 INCH    WASHINGTON    IA  TRAINED SPOTTER

      30 MINUTE RAINFALL TOTAL.

0415 AM   TSTM WND GST   MUSCATINE       41.42N 91.07W
09/05/2012  M62.00 MPH    MUSCATINE     IA  TRAINED SPOTTER

      WIND GUST MEASURED ON NORTH SIDE OF MUSCATINE ON IOWA HWY
      38.

0450 AM   TSTM WND DMG   MEDIAPOLIS       41.01N 91.16W
09/05/2012         DES MOINES    IA  PUBLIC    

      LARGE TREE LIMB BLOWN DOWN. DELAYED REPORT. TIME
      ESTIMATED.

0502 AM   TSTM WND DMG   WEST BURLINGTON    40.82N 91.18W
09/05/2012         DES MOINES    IA  EMERGENCY MNGR 

      4 TO 5 INCH DIAMETER LIVE AND DEAD TREE LIMBS DOWN. NEAR
      200 BLOCK OF LEFFLER.

0502 AM   TSTM WND DMG   BURLINGTON       40.81N 91.12W
09/05/2012         DES MOINES    IA  EMERGENCY MNGR 

      POWER POLE BROKEN OFF IN TOWN NEAR BEE/S BASEBALL PARK.
      RELAYED BY EMERGENCY MANAGEMENT FROM LAW ENFORCEMENT.

0534 AM   TSTM WND DMG   MONTROSE        40.53N 91.42W
09/05/2012         LEE        IA  EMERGENCY MNGR 

      6 INCH DIAMTER TOP OF TREE TOPPED BY STORM WIND GUST AT
      LIBRARY.

0637 AM   HEAVY RAIN    5 E CEDAR RAPIDS    41.97N 91.58W
09/05/2012  M2.10 INCH    LINN       IA  TRAINED SPOTTER

0935 AM   HAIL      MILAN         41.44N 90.56W
09/05/2012  M0.25 INCH    ROCK ISLAND    IL  CO-OP OBSERVER
 
December
 
 
 
Additional Links

NCDC State of the Climate - http://www.ncdc.noaa.gov/sotc
NCDC Climate of the U.S. - http://www.ncdc.noaa.gov/climate-us
U.S. Records - http://www.ncdc.noaa.gov/extremes/records/
Climate Prediction Center (CPC) - http://www.cpc.ncep.noaa.gov/
Midwest Regional Climate Center - http://mrcc.sws.uiuc.edu/index.jsp
Midwest Climate Watch - http://mrcc.sws.uiuc.edu/cliwatch/watch.htm
Iowa State Climatologist - http://www.iowaagriculture.gov/climatology.asp
Illinois State Climatologist - http://www.isws.illinois.edu/atmos/statecli/index.htm
Local Climate Page - http://www.nws.noaa.gov/climate/index.php?wfo=dvn
 

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