NWS COOP Climatology for 12 September

This table gives a listing of unofficial daily records for NWS COOP stations. Some records may have occured on multiple years, only one is listed here. You may click on a column to sort it. You can click on the station name to get all daily records for that station or click on the date to get all records for that date.

The data found in this table was derived from the following JSON webservice:
https://mesonet.agron.iastate.edu/geojson/climodat_dayclimo.py?network=IACLIMATE&month=9&day=12&syear=1800&eyear=2025

Select State: Select Date: Select Record Database:

Station Years High Temperature [F]   Low Temperature [F]   Precipitation [inch]
Avg: Max: Year: Min: Year:   Avg: Max: Year: Min: Year:   Avg: Max: Year:
Iowa Average (IA0000)131 77.0941927, 1939, 1897572014, 1902 54.7712005331902 0.130.911928
Allerton (IA0149)122 78.9981939552014 55.5701938, 2019, 1915, 1909, 1991, 1927361902 0.192.781949
AMES 5 SE (IA0203)124 76.8992000531989 54.7701991, 1978, 1927, 1939341902 0.132.631961
CARROLL-2-SSW (IA1233)131 77.0971897, 1939541989, 2014 52.6751939291902 0.121.591909
CLINTON-1 (IA1635)131 77.8951939, 1931542014 55.7731978351902 0.152.781925
CORNING (IA1833)131 78.0971939551898 53.7751939321902 0.174.001972
DENISON (IA2171)131 76.1971939512014 53.6751939291902 0.142.491951
Des Moines Airport (IA2203)146 76.7961927542014 56.3771939371902 0.134.421961
DUBUQUE-LOCK-AND-DAM (IA2364)151 75.1951927541902 56.1741895361902 0.133.102019
Emmetsburg (IA2689)131 75.7961939541974 52.4701927321902 0.162.611978
FAIRFIELD (IA2789)131 79.0991927592014, 1902 55.7721939, 1991351902 0.142.981928
FAYETTE (IA2864)131 75.21011927521902 51.2681927271902 0.081.652020
FOREST-CITY (IA2977)130 74.6951939542014 51.7701927321902 0.132.071909
FORT-DODGE (IA2999)125 76.11001939531989 52.1721939291902 0.134.931938
GREENFIELD (IA3438)131 78.1971939, 2000571898 55.2712019, 1939331902 0.203.811961
GRINNELL-3-SW (IA3473)131 77.5961927561902 53.2721927351902 0.091.641961
GRUNDY-CENTER (IA3487)131 76.2972000531902 52.3691927321902 0.101.532020
GUTHRIE-CENTER (IA3509)129 77.61001927542014 53.5751939311902 0.131.562003
IOWA-FALLS (IA4142)131 75.9981927521902 51.5701927321902 0.091.981938
JEFFERSON (IA4228)131 77.5982000541989 53.4731939321902 0.161.781943
KEOKUK LOCK DAM 19 (IA4381)133 79.2972013561902 58.7741938, 1927, 1939431902 0.162.451928
LEMARS (IA4735)128 76.6991939572003, 2014 52.2731931, 1939281902 0.152.251909
LOGAN (IA4894)131 78.31011939552014 53.9781927301902 0.172.881949
MAQUOKETA-2-W (IA5131)128 76.8951927552014 52.9691927321902 0.153.032006
MOUNT-AYR (IA5769)131 78.0991897551898 54.8731939341902 0.204.681949
NEW-HAMPTON (IA5952)127 74.1961939512015 52.0681927321902 0.132.471932
NEWTON (IA5992)131 77.8961927, 2000, 1939571989, 2014 55.1722019351902 0.132.742003
NORTHWOOD (IA6103)128 73.6922000, 1939, 1931521902 51.0671927351902 0.122.701991
OSCEOLA-3-WSW (IA6316)130 78.6961897, 1939, 2000542014 55.4751897351902 0.152.651972
Postville (IA6766)131 73.8941927521989 52.7691982, 1927331902 0.153.121991
PRIMGHAR (IA6800)129 76.3981939552014 52.5712005, 1931301902 0.151.831979
SAC-CITY (IA7312)131 76.0981939531898 52.6741939321902 0.121.872003
SIGOURNEY (IA7678)128 78.3971927521902 55.2712019341902 0.121.561928
SIOUX CENTER 2 SE (IA7700)125 76.7981939562014, 2020 51.8712005, 1931301902 0.152.231909
SIOUX-CITY-WSO-AP (IA7708)135 75.9971939531890, 1974 53.7771939331902 0.111.721943
Spencer (IA7844)129 74.8981939521989 51.0751927301902 0.152.231982
SPIRIT LAKE (IA7859)131 74.4981895491974 53.2711895311902 0.131.881951
STORM-LAKE-2-E (IA7979)131 75.2951939, 1998521902 52.6741939321902 0.132.301951
TOLEDO (IA8296)130 77.0961927, 1939551902 53.1692019311902 0.112.062020
WASHINGTON (IA8688)131 79.3962000, 1927, 1939551902 55.4711991, 1927341902 0.081.651928
Iowa - Northwest Climate Division (IAC001)131 75.9961939551964 52.9712005301902 0.131.511909
Iowa - North Central Climate Division (IAC002)131 75.2931927, 2012551902 53.0702005, 1927331902 0.131.641932
Iowa - Northeast Climate Division (IAC003)131 75.1941927541902 53.5702005331902 0.131.362020
Iowa - West Central Climate Division (IAC004)131 77.2971939562014 54.3751939311902 0.131.901951
Iowa - Central Climate Division (IAC005)131 77.0961939561902 54.6701978, 2005, 1927, 1939341902 0.121.332003
Iowa - East Central Climate Division (IAC006)131 77.2951927551902 55.4702005351902 0.111.492020
Iowa - Southwest Climate Division (IAC007)131 78.7971939562014 55.8761939331902 0.151.441972
Iowa - South Central Climate Division (IAC008)131 78.5971939562014 56.3711978, 2005, 1939351902 0.151.951949
Iowa - Southeast Climate Division (IAC009)131 78.9961939, 1927571902 56.7711978361902 0.122.551928
Iowa Drought Region 1 - Northwest (IAD001)131 76.5971939551964 53.1722005301902 0.131.391909
Iowa Drought Region 2 - Northcentral (IAD002)131 76.1951939571902, 2014 53.7701978, 2005, 1927321902 0.131.391951
Iowa Drought Region 3 - Northeast (IAD003)131 76.0941927541902 54.2702005341902 0.121.272020
Iowa Drought Region 4 - Southwest (IAD004)131 78.4971939562014 55.4761939321902 0.151.261972
Iowa Drought Region 5 - Southeast (IAD005)131 78.4961927, 1939571902 56.2711978351902 0.131.821928
Dubuque Area (IATDBQ)151 74.0951927482014 54.3741895361902 0.174.371961
Des Moines Area (IATDSM)146 76.7961927542014 56.3771939371902 0.134.421961
Spencer Area (IATSPW)129 75.1981939521989 51.0751927301902 0.152.231982
Sioux City Area (IATSUX)135 75.9971939531974, 1890 53.7771939331902 0.111.721943
MAPLETON NO. 2 (IA5123)86 76.9981939551989 53.2781939321940 0.263.341982
OAKLAND-2-E (IA6151)105 78.5971939542014 54.2761939321940 0.162.701961
Ottumwa (IA6389)128 78.5971897, 1939532014 56.3731978351940 0.141.951928
POCAHONTAS (IA6719)120 76.3971927, 1939552014 51.7721939341940 0.141.621977
RED-OAK (IA6940)127 79.2982000561898 55.2742019331940 0.193.721972
SHENANDOAH-1-NE (IA7613)106 80.4982000572014 55.8761939331940 0.163.271961
SIBLEY-5-NNE (IA7664)131 75.2971939552014, 1898 50.3711931271940 0.122.001979
ALGONA (IA0133)131 75.1981939521989 52.6721927331955 0.111.981932
BELLE-PLAINE (IA0600)131 76.9971927551902 53.7692019, 1978321955 0.122.791961
BELLEVUE-L-AND-D-12 (IA0608)87 76.6921984, 2000562014 53.4691947341955 0.121.752019
Burlington Airport (IA1063)127 78.8981927552014 57.1721938, 1991, 1927391955 0.173.921928
CASCADE (IA1257)82 76.2921952582014 51.3672019291955 0.112.142020
CEDAR-RAPIDS-1 (IA1319)132 77.3961927561902 55.1701978341955 0.122.051961
CHARITON (IA1394)129 78.7972013, 2000, 1927, 1939501902 54.1751939321955 0.163.301972
CHEROKEE (IA1442)102 76.3971939562014 51.4711939281955 0.142.301982
COLUMBUS JUNCT 2 SSW (IA1731)123 78.5951927551902 55.8711927311955 0.165.002008
DECORAH-2-N (IA2110)131 75.4961931521902 52.4691927281955 0.121.611991
Donnellson (IA2299)86 79.3961939602020 55.5701938, 2019371955 0.101.382020
Elkader 6SSW (Osborn) (IA2603)131 76.7961927541902 50.9691927291955 0.142.591961
HAMPTON-2-NW (IA3584)131 76.0971927511902 51.8701927281955 0.092.801932
Iowa City (IA4101)131 79.0961897, 1927571902 55.3721991331955 0.132.171961
KEOSAUQUA (IA4389)131 80.3981939592014 55.9731991351955 0.144.801928
MARSHALLTOWN (IA5198)131 77.6981927531989 52.8721927311955 0.132.041961
MASON-CITY (IA5230)131 75.2951927511902 50.8721927301955 0.123.501978
MOUNT-PLEASANT (IA5796)131 79.2981927561902 56.0731939351955 0.152.971928
OSAGE (IA6305)131 74.7962000521902 52.3701927341955 0.091.901991
OSKALOOSA (IA6327)131 78.3972000, 1897551902 55.3741939341955 0.121.571928
PERRY (IA6566)123 77.5982000562014 53.1731927321955 0.151.851961
SIOUX-RAPIDS (IA7726)83 75.8931948532014 51.0682005321955 0.163.171951
VINTON (IA8568)131 77.1961927552006 53.6701927331955 0.101.572020
WATERLOO (IA8706)130 76.2971927532014, 1989 52.8702005321955 0.143.051978
WEBSTER-CITY (IA8806)131 76.6991939531989 52.4701939311955 0.133.351938
WILLIAMSBURG (IA9067)131 77.9962000561902 53.6701978311955 0.122.221943
WINTERSET (IA9132)131 77.6972000551898, 2014 54.4751939311955 0.144.311961
Waterloo Area (IATALO)129 76.2971927531989, 2014 52.9702005321955 0.143.051978
Ida Grove Area (IATIDA)121 77.2981939552014 53.0751939331955 0.133.321982
Oelwein Area (IATOEL)69 75.8911984521989 52.5682019, 1982, 1978, 2005301955 0.111.971961
ALLISON (IA0157)110 76.41001939581950, 2020 52.7732000351975 0.091.112003
BEACONSFIELD (IA0536)73 78.0952000572014 54.8701951, 2019381975 0.153.731972
Boone (IA0807)119 77.9991939552014 53.2741939321975 0.152.131949
Cedar Rapids Airport (IA1314)71 76.1921991, 1962, 1984512014 53.7691962361975 0.152.601961
Fort Madison (IA3007)131 78.8971897542014 58.0751991361975 0.143.591928
GUTTENBERG-L-AND-D-10 (IA3517)87 75.9941939522014 55.4691982381975 0.144.072019
IOWA CITY MUNICIPAL AP (IA4106)80 76.7941952522014 54.9712019391975 0.112.041949
MANCHESTER-2 (IA5086)103 76.2951927592006, 2014 51.9691927351975 0.131.932020
Milford (IA5493)104 74.6971948511989 52.0701927, 1931341975 0.142.421982
RATHBUN DAM (IA6910)54 79.3952000542014 55.6712019411975 0.162.552003
SANBORN (IA7386)110 74.5941931, 1939552020, 2003, 2014 51.3691931331975 0.162.001979
Cedar Rapids Area (IATCID)131 76.5961927512014 54.6691947, 1962, 1927361975 0.152.601961
AMES MUNICIPAL AP (IA0197)27 78.0911998532014 51.7662005362007 0.060.682008
ESTHERVILLE MUNICIPAL AP (IA2725)28 74.7921998542014 50.2662005342007 0.060.662019
MARSHALLTOWN MUNICIPAL AP (IA5199)27 76.9921998532014 52.4692005362007 0.070.762008
MASON CITY MUNICIPAL AP (IA5235)82 74.3951998522014 50.9682005342007 0.185.201978
MUSCATINE 2N (IA5844)25 79.3972000562014 57.4722005462007 0.100.722020
OELWEIN 1E (IA6199)18 74.6892021572006 52.2682019382007 0.151.142020
STANLEY (IA7892)18 74.4882021572006 49.8662019382007 0.201.592020
DAVENPORT WFO (IA2070)13 76.5912019532014 55.7692021, 2019372014 0.211.642019
DES MOINES WSFO-JOHNSTON (IA2209)29 77.6921998532014 55.0712005392014 0.061.182008
LAMONI (IA4587)26 77.6921998522014 55.7672019, 2005402014 0.204.232008
SIOUX CITY ANG (IA7702)24 77.5972012572020 53.8682005422014 0.090.922003
Spencer Airport (IAKSPW)28 77.2941998552014 50.3712005342014 0.101.502019
HOLSTEIN 5 NNW (IA3910)5 74.2882021562020 52.8642019442022 0.200.912019
CENTERVILLE (IA1354)131 78.8981897562014 56.5731972, 1991, 1939381902, 1940 0.172.702003
Estherville 4E (IA2724)131 75.1971948542014 50.3691927341902, 1940 0.152.751951
ROCK-RAPIDS (IA7147)131 76.0991939542014 50.7721931301902, 1940 0.122.101909
AMES-8-WSW (IA0200)131 77.0991927552014 54.0711939341902, 1955 0.152.221961
ATLANTIC-1-NE (IA0364)131 78.4971939541989, 2014 53.0741939281902, 1955 0.174.661972
AUDUBON (IA0385)131 76.9961939532014 52.7741939301902, 1955 0.182.381974
CHARLES-CITY (IA1402)131 74.6951939492014 52.2711927321902, 1955 0.081.051932
CLARINDA (IA1533)131 79.2972000, 1906, 1939572014 54.2741939341902, 1955 0.224.281961
Lamoni (IA4585)127 78.4972000, 1897541989 55.8731939, 2019381902, 1955 0.256.381949
Ames Area (IATAME)131 76.9992000, 1927562014, 1898 53.5711939341902, 1955 0.152.221961
MUSCATINE (IA5837)89 79.1971991572014 56.2721978, 2019, 1991361940, 1955 0.131.681936
Creston (IA1962)119 77.9982000552014 54.5721939381975, 1940 0.163.301961
Le Claire L&D 14 (IA4705)86 77.4942000, 1939552014 57.8721978421975, 1940 0.101.931949
SWEA CITY 4 W (IA8026)69 76.4932012542014, 1989 51.2702005331975, 1955 0.151.981982
WAUKON (IA8755)90 74.0991939492014 52.6662005371975, 1955 0.183.512019
BURLINGTON (IA1060)59 78.4951991572014 57.8731991431975, 2007 0.171.901970
LOWDEN (IA4963)33 79.3962000512014 53.6691991352014, 2007 0.120.942008
ANAMOSA 3 SSW (IA0214)13 76.2872021602014 53.1662019462014, 2017 0.172.112020
BATTLE CREEK 3NE (IA0512)15 77.9932012552014 51.5642019392015, 2022 0.060.412014
Dubuque Airport (IA2367)73 74.1891984, 1952482014 52.9662008382014, 2007, 1955 0.244.371961
LITTLE SIOUX 2NW (IA4874)24 78.3982012552014 51.9692005402015, 2007, 2022 0.121.302019