This page allows you to download daily observations for the NWS COOP network.Some items of note:

• In general, the snowfall data is mostly there. Some years are missing data.
• If you are looking to download the entire dataset, please check out This Directory!
• If you find errors in the dataset, please let us know! There are numerous folks working on the data quality of this important dataset and we are always interested in feedback.

The quality controlled data for Iowa is currently updated to 01 May 2011. While data is available for dates up until yesterday, the values are estimated by the IEM.

Data is available from the following states: Illinois , Indiana , Iowa , Kansas, Kentucky , Michigan , Minnesota , Missouri , Nebraska , Ohio , North Dakota , South Dakota , Wisconsin.

1. Select Station: Select One or More or All stations in the network. --Select ALL-- [IA0112] ALBIA -- 1951-01-01 [IA0133] ALGONA -- 1893-01-01 [IA0157] ALLISON -- 1951-01-01 [IA0200] AMES-8-WSW -- 1893-01-01 [IA0213] ANAMOSA-1-WNW -- 1951-01-01 [IA0241] ANKENY-3-S -- 1951-01-01 [IA0364] ATLANTIC-1-NE -- 1893-01-01 [IA0385] AUDUBON -- 1951-01-01 [IA0576] BEDFORD-1-NNW -- 1951-01-01 [IA0600] BELLE-PLAINE -- 1951-01-01 [IA0608] BELLEVUE-L-AND-D-12 -- 1951-01-01 [IA0753] BLOOMFIELD -- 1951-01-01 [IA0807] Boone -- 1951-01-01 [IA0923] BRITT -- 1951-01-01 [IA1063] Burlington -- 1951-01-01 [IA1233] CARROLL-2-SSW -- 1951-01-01 [IA1257] CASCADE -- 1951-01-01 [IA1277] CASTANA-EXP-FARM -- 1951-01-01 [IA1319] CEDAR-RAPIDS-1 -- 1893-01-01 [IA1354] CENTERVILLE -- 1951-01-01 [IA1394] CHARITON -- 1951-01-01 [IA1402] CHARLES-CITY -- 1951-01-01 [IA1442] CHEROKEE -- 1951-01-01 [IA1533] CLARINDA -- 1893-01-01 [IA1541] CLARION -- 1951-01-01 [IA1635] CLINTON-1 -- 1893-01-01 [IA1833] CORNING -- 1893-01-01 [IA1954] CRESCO-1-NE -- 1951-01-01 [IA1962] Creston -- 1951-01-01 [IA2110] DECORAH-2-N -- 1893-01-01 [IA2171] DENISON -- 1893-01-01 [IA2203] Des Moines Airport -- 1878-08-01 [IA2364] DUBUQUE-LOCK-AND-DAM -- 1893-01-01 [IA2573] Eldora -- 1951-01-01 [IA2724] ESTHERVILLE-2-N -- 1951-01-01 [IA2789] FAIRFIELD -- 1893-01-01 [IA2864] FAYETTE -- 1893-01-01 [IA2977] FOREST-CITY -- 1951-01-01 [IA2999] FORT-DODGE -- 1951-01-01 [IA3007] FORT-MADISON -- 1951-01-01 [IA3290] GLENWOOD -- 1893-01-01 [IA3438] GREENFIELD -- 1951-01-01 [IA3473] GRINNELL-3-SW -- 1893-01-01 [IA3487] GRUNDY-CENTER -- 1951-01-01 [IA3509] GUTHRIE-CENTER -- 1893-01-01 [IA3517] GUTTENBERG-L-AND-D-10 -- 1951-01-01 [IA3584] HAMPTON-2-NW -- 1893-01-01 [IA3632] HARLAN -- 1951-01-01 [IA3718] HAWARDEN -- 1951-01-01 [IA3980] HUMBOLDT-2 -- 1951-01-01 [IA4049] INDEPENDENCE-2-W -- 1951-01-01 [IA4063] INDIANOLA-2-SSW -- 1893-01-01 [IA0000] Iowa Average -- 1893-01-01 [IAC005] Iowa - Central Climate Division -- 1950-01-01 [IA4101] IOWA-CITY -- 1951-01-01 [IAC006] Iowa - East Central Climate Division -- 1950-01-01 [IA4142] IOWA-FALLS -- 1951-01-01 [IAC002] Iowa - North Central Climate Division -- 1950-01-01 [IAC003] Iowa - Northeast Climate Division -- 1950-01-01 [IAC001] Iowa - Northwest Climate Division -- 1950-01-01 [IAC008] Iowa - South Central Climate Division -- 1950-01-01 [IAC009] Iowa - Southeast Climate Division -- 1950-01-01 [IAC007] Iowa - Southwest Climate Division -- 1950-01-01 [IAC004] Iowa - West Central Climate Division -- 1950-01-01 [IA4228] JEFFERSON -- 1951-01-01 [IA4381] KEOKUK LOCK DAM 19 -- 1891-09-01 [IA4389] KEOSAUQUA -- 1893-01-01 [IA4502] KNOXVILLE -- 1951-01-01 [IA4585] Lamoni -- 1951-01-01 [IA4705] Le Claire L&D 14 -- 1951-01-01 [IA4735] LEMARS -- 1893-01-01 [IA4894] LOGAN -- 1893-01-01 [IA5086] MANCHESTER-2 -- 1951-01-01 [IA5131] MAQUOKETA-2-W -- 1893-01-01 [IA5198] MARSHALLTOWN -- 1893-01-01 [IA5230] MASON-CITY -- 1893-01-01 [IA5769] MOUNT-AYR -- 1893-01-01 [IA5796] MOUNT-PLEASANT -- 1951-01-01 [IA5837] MUSCATINE -- 1951-01-01 [IA5952] NEW-HAMPTON -- 1893-01-01 [IA5992] NEWTON -- 1951-01-01 [IA6103] NORTHWOOD -- 1951-01-01 [IA6151] OAKLAND-2-E -- 1951-01-01 [IA6200] OELWEIN-2-S -- 1951-01-01 [IA6243] ONAWA -- 1893-01-01 [IA6305] OSAGE -- 1951-01-01 [IA6316] OSCEOLA-3-WSW -- 1951-01-01 [IA6327] OSKALOOSA -- 1893-01-01 [IA6389] Ottumwa -- 1951-01-01 [IA6566] PERRY -- 1951-01-01 [IA6719] POCAHONTAS -- 1951-01-01 [IA6800] PRIMGHAR -- 1951-01-01 [IA6940] RED-OAK -- 1951-01-01 [IA7147] ROCK-RAPIDS -- 1893-01-01 [IA7161] ROCKWELL-CITY -- 1893-01-01 [IA7312] SAC-CITY -- 1951-01-01 [IA7594] Sheldon -- 1951-01-01 [IA7613] SHENANDOAH-1-NE -- 1951-01-01 [IA7664] SIBLEY-5-NNE -- 1951-01-01 [IA7669] SIDNEY -- 1951-01-01 [IA7678] SIGOURNEY -- 1951-01-01 [IA7708] SIOUX-CITY-WSO-AP -- 1951-01-01 [IA7726] SIOUX-RAPIDS -- 1951-01-01 [IA7979] STORM-LAKE-2-E -- 1893-01-01 [IA8266] TIPTON -- 1893-01-01 [IA8296] TOLEDO -- 1951-01-01 [IA8339] TRIPOLI-4-N -- 1951-01-01 [IA8568] VINTON -- 1951-01-01 [IA8688] WASHINGTON -- 1893-01-01 [IA8706] WATERLOO -- 1893-01-01 [IA8755] WAUKON -- 1951-01-01 [IA8806] WEBSTER-CITY -- 1893-01-01 [IA9067] WILLIAMSBURG -- 1951-01-01 [IA9132] WINTERSET -- 1951-01-01 2. Select Start/End Time: Please note the start year in the station selector. Some sites start in 1951 others are earlier. If you only want data for one day, set the start and end times to the same value. Year Month Day Start: 189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 12345678910111213141516171819202122232425262728293031 End: 189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 12345678910111213141516171819202122232425262728293031 3. Select Variables / Model Input Format: Select either one or more data variables or a predefined format that should work within the specified Model input format. Please contact us to have your format added to the list! Model: DailyDayCent (no extra drivers) Variable: High Temperature [F] Variable: Low Temperature [F] Variable: Precipitation (rain+melted snow) [inch] Variable: Snowfall [inch] Variable: Snow Depth (since 1991) [inch]

4. How to view? Download to Disk View on-line 5. Data Delimitation: How shall the output values be seperated? Comma Space Tab 6. Include Lat / Lons? No Yes 7. Submit Form: Please be patient and only submit this form once. It may take 10-20 seconds to get a response.