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Daily Precipitation Report  
Station Number: IL-LS-1 Station Name: Ottawa 1.3 NW
Data Explorer
Observation Date 9/18/2026 4:38 AM
Submitted 9/18/2026 4:50 AM
Gauge Catch
0.26 in.
Notes
09-17-26: High 89, Heat Index 97, Low 67, wind E, SE, S, SW, N & NE calm-12 mph w/gusts 16 mph. Rain between 5:40 thru 8:30am 0.26 and that was it. Heavier rains north of Ottawa. Today at 4:38am: temp 67, wind ENE 5 to 8 mph, dew point 63, humidity 89%. Normal 76/53. Records: 99/1965 and 34/1929. A lot of rain on tap for this weekend especially Saturday. Sunrise 6:40am, Sunset 7pm. 43 days before Halloween and 98 shopping days before Christmas.
Snow Information
24-hr Snowfall 0.0 in.
24-hr Snowfall SWE
(Snow Water Equivalent)
NA
24-hr Snowfall SLR
(Snow to Liquid Ratio)
NA
Snowpack Depth NA
Snowpack SWE
(Snow Water Equivalent)
NA
Snowpack Density NA
Duration Information
Precipitation Began --
Precipitation Ended --
Heavy Precip Began --
Heavy Precip Lasted --
Duration Time Accuracy --
Additional Information
Flooding --
Additional Data Recorded No