NWS COOP Climatology for 20 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=09&day=20&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 75.1911931531991 52.2711895311918 0.141.192018
ALGONA (IA0133)131 72.7971998501983 49.9761895301918, 1956 0.173.252018
Allerton (IA0149)122 76.8931931, 1940571918 53.4701948311918, 1991 0.161.881978
ALLISON (IA0157)110 73.4901940, 1919521995 50.5661948, 1935, 2019, 1941301991 0.194.121983
AMES MUNICIPAL AP (IA0197)27 78.1932022611999 51.1682022332006 0.050.672018
AMES-8-WSW (IA0200)131 75.2931908, 2022531995 51.7731895301991 0.141.861978
AMES 5 SE (IA0203)124 73.8911940, 1931531995 52.3691931321918 0.152.562023
ANAMOSA 3 SSW (IA0214)13 77.5882013, 2021672020 54.7652019422012 0.191.352018
ATLANTIC-1-NE (IA0364)131 76.2941908501995 50.2751941281901, 1962 0.164.431921
AUDUBON (IA0385)131 74.6901940, 1970, 1998521913 50.2701941261918 0.121.971894
BATTLE CREEK 3NE (IA0512)15 79.3882021582010 53.1672021412011, 2012 0.090.922014
BEACONSFIELD (IA0536)73 75.3901980591991, 2006 52.7681986281991 0.163.451978
BELLE-PLAINE (IA0600)131 74.8931931532006 51.3701895281991, 1896 0.182.891978
BELLEVUE-L-AND-D-12 (IA0608)87 74.2922013511991 51.6691972311991, 1956 0.152.571965
Boone (IA0807)119 75.4941984541991 51.3691931291962 0.131.821978
BURLINGTON (IA1060)59 75.2942013561995 54.9702022341991 0.131.071965
Burlington Airport (IA1063)127 76.8952022521918 55.0721931321991 0.142.291948
CARROLL-2-SSW (IA1233)131 74.7911998471995 49.5691941271918, 1962 0.091.212023
CASCADE (IA1257)82 73.5901947512006 50.1681972291991, 1956 0.202.001965
Cedar Rapids Airport (IA1314)71 73.7962022551982 51.5692017, 2022291991 0.121.711965
CEDAR-RAPIDS-1 (IA1319)132 75.9982022551995 52.8761895301991 0.141.951907
CENTERVILLE (IA1354)131 76.5951895541929 53.8721931, 1895331991, 1918, 1897 0.122.331948
CHARITON (IA1394)129 76.2931940, 1908511913 51.5761972281991, 1918 0.164.501978
CHARLES-CITY (IA1402)131 72.2912022, 1908501913, 1918 49.5741895281991 0.163.021983
CHEROKEE (IA1442)102 74.1971984501957 49.1721931281943 0.172.352018
CLARINDA (IA1533)131 77.2952018531929 51.7741895311991, 1962 0.131.901978
CLINTON-1 (IA1635)131 75.8952022521918 53.4721895301962 0.122.211965
COLUMBUS JUNCT 2 SSW (IA1731)123 75.5931931531918 53.9721931281991 0.122.511965
CORNING (IA1833)131 75.8951935521929 51.7751895291991 0.101.351978
Creston (IA1962)119 76.0921980521929 52.0691931291918 0.131.601965
DAVENPORT WFO (IA2070)13 81.3942022, 2017672013 57.8682019442012 0.363.352017
DECORAH-2-N (IA2110)131 72.5931931511918 49.3681895281897, 1991, 1956 0.182.401931
DENISON (IA2171)131 74.3921940471995 50.9721895291918, 1901 0.112.351983
Des Moines Airport (IA2203)146 74.8942022541983 53.3741895331896, 1991 0.131.891894
DES MOINES WSFO-JOHNSTON (IA2209)29 77.0942022541995 54.4712022352006 0.060.512018
Donnellson (IA2299)86 77.0942013581995, 2006 53.7692022311991 0.121.811986
DUBUQUE-LOCK-AND-DAM (IA2364)151 72.6921895532006 53.4761895311956 0.162.372018
Dubuque Airport (IA2367)73 71.4932022531995 50.9651980, 2017, 2022281956 0.182.271965
Elkader 6SSW (Osborn) (IA2603)131 73.3951908512006 49.1741895271991 0.173.032018
Emmetsburg (IA2689)131 72.8901931, 1970501983, 1995 50.1691941281918 0.183.682018
Estherville 4E (IA2724)131 72.3961984, 1895502006 47.8741895281991 0.173.772018
ESTHERVILLE MUNICIPAL AP (IA2725)28 75.5962022581999 48.7662019312006 0.122.102018
FAIRFIELD (IA2789)131 76.3931940571929 53.3711895, 1931301991, 1896 0.132.941965
FAYETTE (IA2864)131 72.0911895501991, 2006 48.9691895261896 0.213.702018
FOREST-CITY (IA2977)130 72.3911895471995 49.4711895281896 0.174.322018
FORT-DODGE (IA2999)125 73.9921940531927 49.8691941301991 0.191.951923
Fort Madison (IA3007)131 77.1941931581929, 1918, 1901 55.8761895341918, 1896 0.132.001957
GREENFIELD (IA3438)131 76.2921940541929 52.4711895311918 0.121.822013
GRINNELL-3-SW (IA3473)131 74.6931908, 1931531971 51.2751895271991 0.161.851978
GRUNDY-CENTER (IA3487)131 73.5941908511991, 1918 50.2701972291991, 1896 0.151.721978
GUTHRIE-CENTER (IA3509)129 75.4911998, 1931, 1972541929 50.4701931271991 0.111.551978
GUTTENBERG-L-AND-D-10 (IA3517)87 72.9902018561995, 1999 52.9692017331991 0.244.432018
HAMPTON-2-NW (IA3584)131 73.5951908501991 49.6671941, 1931281918 0.184.902018
HOLSTEIN 5 NNW (IA3910)5 82.6872022, 2021782020, 2023 58.8652021532020 0.000.002020, 2023, 2019, 2022, 2021
Iowa City (IA4101)131 76.9941931, 1908531918 52.9711895, 1931311896 0.142.291965
IOWA CITY MUNICIPAL AP (IA4106)80 74.7972022561982 53.4692019321991 0.142.101965
IOWA-FALLS (IA4142)131 73.1901984, 1940512006 49.3671931281896 0.171.912018
JEFFERSON (IA4228)131 74.5911998, 1908531995 51.2691941, 1931301918 0.111.611983
KEOKUK LOCK DAM 19 (IA4381)133 77.0931931, 1940512006 56.7731919, 1895371918 0.122.601926
KEOSAUQUA (IA4389)131 77.4941931, 1940, 2013561913 53.6741895291991 0.122.301965
Lamoni (IA4585)127 76.0942018521929 52.9721986321918, 1962 0.182.641965
LAMONI (IA4587)26 78.5972022591999 55.9702017, 2022372006 0.101.032021
Le Claire L&D 14 (IA4705)86 74.9912013, 1940542006 55.8712002361991 0.091.871965
LEMARS (IA4735)128 74.1911931, 1984441995 49.0702019, 1941231918 0.143.521902
LITTLE SIOUX 2NW (IA4874)24 78.1932022562010 51.4652019, 2021312006 0.060.402013
LOGAN (IA4894)131 76.3961940531957, 1929 51.4741895271918 0.091.401983
LOWDEN (IA4963)33 76.8972022552006 51.4662002, 2019322006, 1991 0.162.002017
MANCHESTER-2 (IA5086)103 73.7911931492006 50.3681931271991 0.222.522018
MAPLETON NO. 2 (IA5123)86 74.3911940471995 50.4701941291943 0.101.801964
MAQUOKETA-2-W (IA5131)128 74.2981920512006 51.0681965291991 0.121.961965
MARSHALLTOWN (IA5198)131 74.7931940, 1931532006 50.6731931281896 0.194.101915
MARSHALLTOWN MUNICIPAL AP (IA5199)27 77.3952022581999 51.3722022322006 0.040.402018
MASON-CITY (IA5230)131 72.0901984, 1895492006 48.9671941281897 0.195.021983
MASON CITY MUNICIPAL AP (IA5235)82 71.5922022491995 48.2672022291991 0.152.272018
Milford (IA5493)104 71.9952022461983 49.4701941311962 0.132.952018
MOUNT-AYR (IA5769)131 76.1941908531929 52.8721948281991 0.122.991978
MOUNT-PLEASANT (IA5796)131 77.1931940561929, 1918 53.5721895291991 0.112.691965
MUSCATINE (IA5837)89 77.0962013581995 53.7701972291991 0.141.691965
MUSCATINE 2N (IA5844)25 77.5932013562006 57.0692019, 2002422006 0.110.882013
NEW-HAMPTON (IA5952)127 71.4901940472006 49.4651972, 1931301897, 1991, 1949 0.203.871983
NEWTON (IA5992)131 75.3921931, 1940571929, 2006, 2010 52.5721895311896 0.131.361915
NORTHWOOD (IA6103)128 71.1901940472006 48.6671908301991, 1897 0.141.922018
OAKLAND-2-E (IA6151)105 76.6931935521929 51.3701941, 1931301943 0.174.031921
OELWEIN 1E (IA6199)18 75.3902021482006 53.0662019332006 0.232.202018
OSAGE (IA6305)131 71.5931908482006 49.6701895311956, 1991 0.205.171983
OSCEOLA-3-WSW (IA6316)130 76.3921931521983 52.2721895301991 0.132.201978
OSKALOOSA (IA6327)131 76.0931931501918 52.5731895271991 0.132.641965
Ottumwa (IA6389)128 76.3951940551918 53.1741931322006, 1896 0.123.311965
PERRY (IA6566)123 75.3921984, 1972551991, 1929 51.2711972281918 0.111.851978
POCAHONTAS (IA6719)120 74.3971984501983 50.0701941, 1972281983 0.132.422018
Postville (IA6766)131 70.7901895522006 49.9711895301896 0.202.672018
PRIMGHAR (IA6800)129 74.7972022491957 50.3741898251918 0.194.802018
RATHBUN DAM (IA6910)54 75.7911972541971 53.4691972331991 0.121.121986
RED-OAK (IA6940)127 77.2931980541995, 1929 52.4711941291943 0.111.351921
ROCK-RAPIDS (IA7147)131 72.5971984491957 47.9711941241918 0.123.502018
SAC-CITY (IA7312)131 74.1951984481983 50.1741895281918 0.132.421915
SANBORN (IA7386)110 72.0911998491957, 1927 48.6681941251918 0.206.442018
SHENANDOAH-1-NE (IA7613)106 78.7951980541929 53.4711948281918 0.131.621978
SIBLEY-5-NNE (IA7664)131 73.1931984491975 47.1691895231918 0.162.892018
SIGOURNEY (IA7678)128 76.0951931521991 52.8681919, 1931301896 0.112.601965
SIOUX CENTER 2 SE (IA7700)125 73.81002022491957 49.3701941261918 0.163.332018
SIOUX CITY ANG (IA7702)24 78.3902022, 2004552006 52.2672004352006 0.152.172018
SIOUX-CITY-WSO-AP (IA7708)135 74.5972022461995 50.4711931, 1895291918 0.112.701902
SIOUX-RAPIDS (IA7726)83 73.8911970441995 48.8672019, 1947301943, 1942 0.224.612018
Spencer (IA7844)129 73.1982022451995 48.0721895261918 0.143.932018
SPIRIT LAKE (IA7859)131 72.1941895471995 50.3751895261918 0.153.852018
STANLEY (IA7892)18 74.2882021482006 51.4632018, 2019, 2021312006 0.192.262018
STORM-LAKE-2-E (IA7979)131 72.8931984501957 50.2711910, 1895301991, 1918 0.131.891964
SWEA CITY 4 W (IA8026)69 71.8931998481995 49.2671972311962, 1991 0.152.942018
TOLEDO (IA8296)130 74.3921940501971 50.7851895271896 0.182.331915
VINTON (IA8568)131 74.6921931541918 51.3711895291991 0.202.001963
WASHINGTON (IA8688)131 76.2951940551929 53.0731895311991, 1896 0.132.301965
WATERLOO (IA8706)130 73.5962022511913 50.3712022271991 0.162.651923
WAUKON (IA8755)90 71.1871940, 1998482006 49.6681972321943, 1956 0.232.491983
WEBSTER-CITY (IA8806)131 74.2901941, 1940, 1908, 1998, 1895491995 50.0701895281918 0.142.481915
WILLIAMSBURG (IA9067)131 75.3961940531991, 1918 51.7701972281991 0.152.141965
WINTERSET (IA9132)131 75.8921931531995, 1929 52.1701931261896 0.152.121894
Iowa - Northwest Climate Division (IAC001)131 73.7931984531927, 1991 50.1701941, 1895261918 0.142.882018
Iowa - North Central Climate Division (IAC002)131 73.2901908, 1895501991 50.6701895311896 0.162.752018
Iowa - Northeast Climate Division (IAC003)131 73.0911908501991 51.2711895301896 0.182.352018
Iowa - West Central Climate Division (IAC004)131 75.5911940531929 51.7711895281918 0.121.831983
Iowa - Central Climate Division (IAC005)131 75.1911931, 1940521991 52.2711895321918, 1896 0.140.831948
Iowa - East Central Climate Division (IAC006)131 75.2921931, 2013521991 53.3721895311896 0.141.241965
Iowa - Southwest Climate Division (IAC007)131 77.1921940541929 53.2721895311918 0.111.111965, 1921
Iowa - South Central Climate Division (IAC008)131 76.9921940, 1931551991 53.8721895331918 0.121.411965
Iowa - Southeast Climate Division (IAC009)131 77.0942013, 1931541991 54.6721895321896 0.111.261965
Iowa Drought Region 1 - Northwest (IAD001)131 74.4941984541929, 1991 50.2701941, 1895, 1972251918 0.142.152018
Iowa Drought Region 2 - Northcentral (IAD002)131 74.1902021, 1895, 1940, 1931521991 51.1701895301918 0.141.742018
Iowa Drought Region 3 - Northeast (IAD003)131 74.0911895, 1908, 1931501991 52.0711895311896 0.161.892018
Iowa Drought Region 4 - Southwest (IAD004)131 76.7921940541929 52.8721895301918 0.121.011965
Iowa Drought Region 5 - Southeast (IAD005)131 76.5931931541991 53.9721895331918, 1896 0.121.271965
Spencer Airport (IAKSPW)28 77.81012022591999 49.0702019272006 0.163.392018
Waterloo Area (IATALO)129 73.5962022511913 50.3712022271991 0.162.651923
Ames Area (IATAME)131 74.6931908531995 51.0731895301991 0.162.562023
Cedar Rapids Area (IATCID)131 74.8962022551982 52.1761895291991 0.131.951907
Dubuque Area (IATDBQ)151 71.9932022531995 51.8761895281956 0.152.271965
Des Moines Area (IATDSM)146 74.8942022541983 53.3741895331896, 1991 0.131.891894
Ida Grove Area (IATIDA)121 74.5921998501957 50.2701941271918 0.091.601964
Oelwein Area (IATOEL)69 71.6902021482006 50.2662019, 1972281956 0.192.202018
Spencer Area (IATSPW)129 73.41012022451995 47.9721895261918 0.143.392018
Sioux City Area (IATSUX)135 74.5972022461995 50.4711931, 1895291918 0.112.701902