Station list
Available data
ILLINOIS RIVER BASIN
415037088110600 BLACKWELL FOREST PRESERVE NEAR WARRENVILLE, IL
LOCATION.--Latitude 41°50'37", longitude 88°11'06", in SW1/4SW1/4SW1/4 sec.23, T.39 N., R.9 E., Du Page County.
PERIOD OF RECORD.--July 1997 to current year.
GAGE.--An 8-in.-diameter, unheated, tipping-bucket rain gage.
REMARKS.--Snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as
temperatures rise. Snowfall-affected data are subject to appreciable errors.
MAXIMUM FOR PERIOD OF RECORD.--Maximum, 2.68 in., July 3, 1998.
MAXIMUM FOR CURRENT YEAR.--Maximum, 2.33 in., October 17, 1998.
RAINFALL, IN INCHES, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
|
|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP
|
|---|
| 1 | 0.00 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.64 | 0.60 | 0.00 | 0.00
|
| 2 | .52 | .00 | .00 | .00 | e.16 | e.17 | .00 | .00 | .04 | .00 | .00 | .00
|
| 3 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .02 | .00 | .00
|
| 4 | .01 | .00 | .00 | .00 | .00 | .00 | e.13 | .03 | .00 | .00 | .00 | .00
|
| 5 | .62 | .00 | .00 | .00 | e.05 | .00 | e.07 | .03 | .00 | .00 | .00 | .00
|
| 6 | .33 | .00 | .67 | .00 | .00 | .00 | .00 | .43 | .00 | .00 | .00 | .00
|
| 7 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .03 | .00 | .00 | e.30 | .00
|
| 8 | .00 | .05 | .00 | .00 | .00 | .00 | e1.23 | .00 | .00 | .00 | .00 | .00
|
| 9 | .00 | e.26 | .00 | .00 | .00 | .00 | e.26 | .00 | .00 | .64 | .00 | .00
|
| 10 | .00 | e.90 | .00 | .00 | .00 | .00 | e.09 | .00 | .11 | .00 | .00 | .00
|
| 11 | .00 | .00 | .01 | .00 | e.35 | .00 | .00 | 1.02 | 1.63 | .00 | .00 | .00
|
| 12 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .48 | .07 | .00 | .44 | .36
|
| 13 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 1.13 | .00 | .04 | .01
|
| 14 | .02 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00
|
| 15 | .04 | .00 | .00 | .00 | .00 | .00 | e.80 | .01 | .00 | .00 | .00 | .00
|
| 16 | .03 | .00 | .00 | e.16 | e.07 | .00 | e.44 | .00 | .00 | .00 | .00 | .00
|
| 17 | 2.33 | .00 | .00 | e.67 | .00 | .00 | .00 | .69 | .00 | .09 | .01 | .00
|
| 18 | .21 | .00 | .00 | .00 | .00 | .00 | e.03 | .00 | .00 | .00 | .09 | .00
|
| 19 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .09 | .40 | .11
|
| 20 | .00 | .00 | .00 | .00 | .00 | .00 | e.11 | .00 | .00 | 1.03 | .00 | .00
|
| 21 | .00 | .00 | .00 | e.61 | .00 | .00 | e.13 | 1.17 | .00 | .29 | .00 | .00
|
| 22 | .00 | .00 | .00 | e.54 | .00 | .00 | e1.12 | .01 | .20 | .01 | .00 | .00
|
| 23 | .00 | .00 | .00 | e.79 | .00 | .00 | e.47 | .09 | .12 | .50 | .33 | .00
|
| 24 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .01 | .04 | .00
|
| 25 | .00 | .00 | .00 | .00 | e.05 | .00 | .00 | .00 | .00 | .00 | .22 | .00
|
| 26 | .00 | .00 | .00 | .00 | e.24 | .00 | .00 | .00 | .00 | .00 | .00 | .00
|
| 27 | .49 | .00 | .00 | .00 | e.10 | .00 | e1.22 | .00 | .15 | .00 | .00 | .42
|
| 28 | .01 | .00 | .00 | .00 | e.04 | .00 | .00 | .00 | .07 | .00 | .00 | 1.68
|
| 29 | .08 | .00 | s.01 | .00 | -- | .00 | .00 | .00 | .00 | .00 | .00 | .05
|
| 30 | .00 | .36 | .00 | .00 | -- | .00 | .00 | .00 | .00 | .00 | .00 | .00
|
| 31 | .00 | -- | .00 | .00 | -- | .00 | -- | .01 | -- | .00 | .00 | --
|
| TOTAL | 4.69 | 1.59 | 0.71 | 2.77 | 1.06 | 0.17 | 6.10 | 4.00 | 5.16 | 3.28 | 1.87 | 2.63
|
s Snowfall-affected precipitation
e Estimated