NWS Precipitation Image overlays are provided by the National Weather Service. How much rain fell over the weekend What was the temperature over the last few weeks Tables of daily weather observations can answer these common. USGS rain-gage data shown in the table are available at Water Data for the Nation : Current Illinois Precipitation The current analysis stemmed from the desire to use the most recently available data to minimize discrepancies between maps and station data. “ – – ” Parameter not determined, usually due to missing data.The "no data" icon is the result of an NWISWeb status code: The colored portion of the icon will represent the precipitation amount for that time interval. If you have further questions or comments about the GHCN data or the Climate Data Online interface, you can send an email to NOAA NCEI at or call them at 1-82. These totals may not be correct due to currently missing data. Current Season Totals and Percent of Normal Notes: N/A Data currently not available. the most recent 35 year period that represents average rainfall from gages with 80-120 years of record). Half colored icons designate gage data that appears to be logging correctly but is over 1 hour and 15 minutes older than the NWISWeb time stamp at the top of the Rainfall page. Searching by zip code will yield no results if there is no weather station within that zip code, but you can easily expand your search to a city or county. Normals are determined from the 1957-1992 base period (i.e.Hourly and Daily values are calculated from the last time a gage value was updated, which is not necessarily the time this web page was updated. * For precipitation values less than 0.01 inches, the USGS gage symbol is white and the NWS overlay is transparent. Legend colors apply to both USGS gage and National Weather Service precipitation overlays (at full opacity).
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