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 |
