Monthly Archives: June 2010

June Rainfall Totals in Illinois

Here are the June 2010 rainfall totals for sites in Illinois, ranked from highest to lowest. The numbers are impressive with 35 sites scattered throughout northern and central Illinois reporting 10 or more inches of rain.

These numbers are preliminary and have not been quality-controlled. In some cases data may be missing that could lead to totals that are too low. Due to the localized nature of some of the heavier storms, one may see large differences over short distances. These sites are part of the NWS cooperative observer program – volunteers with standard equipment and observing practices.

June 2010 Rainfall Totals
Site Amount (in)
ST DAVID 13.75
BENTLEY 13.69
GALESBURG 13.24
VANDALIA 11.91
MOWEAQUA 2S 11.88
BRADFORD 3SSE 11.85
OGDEN 11.63
MILFORD 5 NW 11.61
PERRY 6 NW 11.57
ALTONA 11.56
STANFORD 2S 11.39
DAHINDA 11.31
KNOXVILLE 11.28
SHELBYVILLE DAM 11.19
FARMER CITY 3W 10.99
LINCOLN 10.80
CENTRAL ILLINOIS NWFO 10.79
HAVANA 10.58
PANA 10.52
CHICAGO MIDWAY AP 3 SW 10.50
SIDELL 5 NW 10.48
SPRINGFIELD #2 10.46
DECATUR 10.45
EARLVILLE 3 S 10.40
PRAIRIE CITY 2S 10.40
STREATOR 10.39
MARIETTA 10.36
SHERMAN 1 ESE 10.34
KANKAKEE METRO WWTP 10.22
CAMP GROVE 10.13
OAK BROOK 2W 10.09
ST ANNE 10.06
PLAINFIELD 3 NE 10.01
JACKSONVILLE 2 E 10.00
MORRIS 10.00
WINDSOR 9.94
BOURBONNAIS 3 NW 9.92
EFFINGHAM 9.92
LA GRANGE 9.78
MATTOON 9.78
KEWANEE 1 E 9.71
MARSEILLES LOCK 9.69
EFFINGHAM SE 9.66
HUTSONVILLE PWR PL 9.56
GRIGGSVILLE 9.50
CLINTON 1 SSW 9.48
DECATUR AP 9.36
RANTOUL 9.36
MENDOTA 2 SE 9.33
TAYLORVILLE 9.29
VIRGINIA 9.25
FISHER 9.24
OTTAWA 9.23
WHEATON 3 SE 9.19
JACKSONVILLE 2 9.14
BLOOMINGTON 5W 9.04
MARTINSVILLE 10S 9.03
ALEDO 9.01
HIDALGO 3SW 9.00
CHATSWORTH 8.94
SHABBONA 3S 8.90
PRINCEVILLE 2W 8.87
PARIS WTR WKS 8.82
CHAMPAIGN WILLARD AP 8.78
SPARLAND 6 SW 8.78
MT CARROLL 8.75
Moline Area 8.67
MOLINE QUAD CITY INTL AP 8.67
NEWARK 2 SSE 8.64
YORKVILLE 3 SW 8.41
NEOGA 4NW 8.40
CHARLESTON 8.38
KINCAID 8.38
PLANO 8.38
ATHENS 2SW 8.33
URBANA 8.33
ROMEOVILLE LEWIS UNIV AP 8.29
PERU 8.27
DANVILLE SEWAGE PLAN 8.26
LAKE SPRINGFIELD 8.26
PAW PAW 8.22
ATHENS 2 N 8.21
DWIGHT 8.20
WINCHESTER 8.20
WATSEKA 2 NW 8.19
Springfield Area 8.15
SPRINGFIELD CAPITAL AP 8.15
SULLIVAN 8.13
RAMSEY 8.09
ARTHUR 1W 8.08
PEORIA 5NW 8.05
LACON 1 N 7.92
ROSCOE 2 SE 7.76
CASEY 7.72
MACKINAW 7.70
NEWMAN 3W 7.70
CHICAGO MIDWAY AP 7.68
RANKIN 7.61
WHITE HALL 1 E 7.61
MONEE RSVR 7.48
MATTOON COLES CO AP 7.45
WOODSTOCK 5 NW 7.45
MT OLIVE 1 E 7.38
GLEN ELLYN 4 S 7.35
PARK FOREST 7.35
DANVILLE 7.28
NORMAL 4NE 7.21
PALESTINE 2W 7.19
QUINCY RGNL AP 7.19
HIGHLAND 7.11
MCHENRY STRATTON L&D 7.10
PAXTON 7.08
NEOGA 7.05
ELBURN 7.03
PITTSFIELD #2 7.02
ROANOKE 7.01
TUSCOLA 6.99
BEECHER CITY 6.97
SPRING GROVE 6.96
MORRISONVILLE 6.95
MARENGO 6.94
CONGERVILLE 2 NW 6.90
MUNDELEIN 4 WSW 6.89
CHANNAHON DRESDEN ISLAND 6.85
ROBINSON 6.84
MORTON 6.81
ST CHARLES 7 NW 6.78
NEWTON 6.70
EUREKA 6.62
HOOPESTON 1 NE 6.61
BEARDSTOWN 6.58
Peoria Area 6.54
PEORIA GTR PEORIA AP 6.54
DE KALB 6.53
AMBOY 6.52
FLORA 6.51
TRIMBLE 1E 6.49
ELIZABETH 6.42
WEST CHICAGO DUPAGE AP 6.42
BELVIDERE 6.39
CENTRALIA 6.28
JERSEYVILLE 2 SW 6.27
STEWARD 3S 6.21
ROCHELLE 6.19
Chicago Area 6.17
CHICAGO OHARE INTL AP 6.17
MONMOUTH 4 NW 6.16
BARRINGTON 3 SW 6.15
MINONK 6.13
Rockford Area 6.13
ROCKFORD GTR ROCKFORD AP 6.13
JOLIET BRANDON RD DM 6.09
LAWRENCEVILLE 6.06
NASHVILLE 1 E 5.86
NEW ATHENS 5.80
LOUISVILLE 5.75
SALEM 5.75
CHICAGO WAUKEGAN RGNL AP 5.74
CHICAGO BOTANICAL GARDEN 5.66
STREAMWOOD 5.59
HARVARD 5.57
LAWRENCEVILLE INTL AP 5.08
EDWARDSVILLE 2 W 5.02
KASKASKIA RIV NAV LO 4.97
CARLYLE RSVR 4.96
CHICAGO AURORA MUNI AP 4.94
CHENOA 4.81
OLNEY 2S 4.81
ALTON MELVIN PRICE 4.68
SMITHLAND L&D 4.66
MT VERNON 3 NE 4.63
BELLEVILLE SCOTT AFB 4.54
BLOOMINGTON WATRWRKS 4.52
ELGIN 4.21
BELLEVILLE SIU RSRCH 4.08
IUKA 3.83
GRAYVILLE 3.43
CARBONDALE SOUTHERN IL AP 3.34
GRAND CHAIN DAM 53 3.18
SHAWNEETOWN OLD TOWN 3.15
FAIRFIELD RADIO WFIW 3.11
CHICAGO PALWAUKEE AP 3.06
BROOKPORT DAM 52 2.73
CAHOKIA ST LOUIS AP 2.66

2nd Wettest June on Record

Illinois has experienced the 2nd wettest June on record, based on preliminary records through June 30. The statewide average rainfall was 7.8 inches, 3.7 inches above normal. The wettest June on record was 1902 with 8.37 inches. The rains over the weekend, especially north of I-80 and along I-70 caused this June to move up from fourth to second wettest June on record. Statewide records extend back to 1895. This number is provisional and may change slightly as more data comes in.

The larger rainfall totals occurred in the northern two-thirds of the state where amounts of 7 to 12 inches were common.  Meanwhile far southern Illinois remains closer to normal with amounts ranging from 3 to 6 inches.

Now 4th Wettest June on Record in Illinois

Right now the statewide precipitation average of 7.20 inches makes this the 4th wettest June on record. Statewide records go back to 1895. Here are the top 5 …

  1. 8.37 inches in 1902
  2. 7.68 inches in 1998
  3. 7.31 inches in 1928
  4. 7.20 inches in 2010 (as of June 25)
  5. 7.13 inches in 2000

With rain in the NWS forecast for the weekend, it is possible to move up to third or perhaps even second place. However, it would take widespread heavy rains to beat 1902. By the way, normal statewide June rainfall is 4.1 inches.

Of the ten wettest Junes, in 7 out of 10 cases rainfall returned to within an inch of normal conditions in July and August. Only in 1993 did the wet conditions persist into July and August. Only in 1945 and 1947 did we experience much drier conditions in July and August.

Meanwhile temperatures have been above normal for June so far. The statewide average temperature of 74.9 degrees is 3.6 degrees above normal. This is now the tenth warmest June on record (as of June 25). The warmest June on record for Illinois is 1934 with 78.5 degrees. The only recent year in the top 10 list is 2005 with 74.8 degrees.

Wettest June on Record for Lincoln IL

The National Weather Service just posted the message below. As noted in an earlier posting Galesburg has already experienced its wettest June on record with 11.25 inches.

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1055 PM CDT TUE JUN 22 2010

...RECORD DAILY MAXIMUM RAINFALL 2.46 INCHES IN LINCOLN IL JUNE 22...
...WETTEST JUNE ON RECORD IN LINCOLN WITH 9.85 INCHES SO FAR THIS
MONTH...

A RECORD RAINFALL OF 2.46 INCHES WAS SET AT LINCOLN IL TODAY WITH
2.42 INCHES FALLING IN LESS THAN 6 HOURS THIS MORNING. THIS BREAKS
THE OLD RECORD OF 2.33 INCHES SET IN 1924.

SO FAR THIS MONTH 9.85 INCHES OF RAIN HAS FALLEN IN LINCOLN THROUGH
JUNE 22ND AND THIS BECOMES THE WETTEST JUNE ON RECORD...JUST BEATING
THE 9.83 INCHES SET IN 1947. THERE ARE STILL EIGHT MORE DAYS IN THE
MONTH TO GET MORE PRECIPITATION...AND MORE HEAVY RAINS ARE STILL
POSSIBLE THROUGH WEDNESDAY NIGHT.

HUETTL

Rains and Hot Weather Continue in Illinois

The wetter and warmer than normal weather continued in Illinois this week. For the period of June 16-22, the state average temperature was 76.8 degrees, 3.6 degrees above normal. Meanwhile the statewide average precipitation was 2.46 inches, 1.55 inches above normal.

Illinois already experienced above normal temperature and precipitation in the first half of June. Combined with this week’s weather, the statewide average temperature for June so far is 74.5 degrees, 3.4 degrees above normal. The statewide average precipitation at this point is 6.35 inches, 3.37 inches above normal.

If you are thinking that we must be closing in on a record, you are correct. Statewide this is already the 10th wettest June on record. The wettest June on record is 1902 with 8.37 inches. Several individual station records will be set as well. For example, Galesburg has already received 11.25 inches this month. This handily beat the old June record of 9.97 inches set in 1974. This is impressive given that their records go back to 1927.

The wettest areas of the state are western Illinois and east-central Illinois. Based on radar estimates and reports from weather observers, monthly totals of 9 inches or more were common in these areas. The wettest spot so far is Warsaw (Hancock County CoCoRaHS observer) which has reported 11.38 inches through today (June 22) with more rain falling after the regular reporting time.

Here are the precipitation and precipitation departure maps for June 1-22, 2010, for Illinois.

June 1-22, 2010 rainfall in Illinois

The June 1-22, 2010, rainfall in Illinois. Map courtesy of the NOAA Midwestern Regional Climate Center.

June 1-22, 2010 rainfall departure for Illinois

The June 1-22, 2010, rainfall departures from normal in Illinois. Map courtesy of the NOAA Midwestern Regional Climate Center.