Here are some rainfall totals for July 2010 [updated on August 3] for the Chicago area. This is preliminary and may contain missing or incorrect data. Missing data can make the monthly totals too low. Based on what has been reported so far, Midway Airport has set a new record for July precipitation, beating the old record of 8.98 inches set in 1957.
| Station | Total Precipitation |
|---|---|
| BARRINGTON 3 SW | 7.18 |
| BELVIDERE | 7.24 |
| CHICAGO BOTANICAL GARDEN | 5.51 |
| CHICAGO MIDWAY AP | 10.39 |
| CHICAGO MIDWAY AP 3 SW | 9.17 |
| CHICAGO OHARE INTL AP | 8.84 |
| DE KALB | 6.92 |
| EARLVILLE 3 S | 3.31 |
| ELBURN | 6.28 |
| ELGIN | 7.68 |
| GENOA 2 SW | 8.89 |
| GLEN ELLYN 4 S | 7.48 |
| HARVARD | 9.52 |
| JOLIET BRANDON RD DM | 5.00 |
| MARENGO | 6.53 |
| MARSEILLES LOCK | 3.87 |
| MCHENRY STRATTON L | 3.28 |
| MENDOTA 2 SE | 3.29 |
| MONEE RSVR | 6.01 |
| MORRIS | 3.89 |
| MUNDELEIN 4 WSW | 7.06 |
| NEWARK 2 SSE | 3.91 |
| OAK BROOK 2W | 9.02 |
| PARK FOREST | 6.38 |
| PERU | 2.74 |
| PLAINFIELD 3 NE | 7.48 |
| ROMEOVILLE LEWIS UNIV AP | 8.05 |
| SHABBONA 3S | 5.29 |
| SPRING GROVE | 6.89 |
| ST CHARLES 7 NW | 9.44 |
| STREAMWOOD | 6.91 |
| WHEATON 3 SE | 6.25 |
| WOODSTOCK 5 NW | 6.65 |
| YORKVILLE 3 SW | 4.31 |