NWS COOP Climatology for 01 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=1&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 81.7991913621935 59.1751953391949 0.121.152010
ALGONA (IA0133)163 79.7971911, 1913621951, 1935 57.5731899, 1898391974 0.081.862014
Allerton (IA0149)122 83.01011913621935, 2003 59.7711937, 1984, 1913391949 0.142.212010
ALLISON (IA0157)110 80.6951953621935 57.0741990351949 0.101.601936
AMES MUNICIPAL AP (IA0197)27 81.9942011702009 56.9712011422009 0.112.472018
AMES-8-WSW (IA0200)131 81.91011913611935 58.2721984371949 0.102.962010
AMES 5 SE (IA0203)124 81.4991913621935 59.1732016, 1960411949 0.143.352010
ANAMOSA 3 SSW (IA0214)13 80.8892011712021 56.5652013482022 0.120.922014
ATLANTIC-1-NE (IA0364)148 82.9991913591935 58.0781913341967 0.122.241979
AUDUBON (IA0385)131 81.4961953, 1911611974 57.8741913381949, 1955 0.112.001926
BATTLE CREEK 3NE (IA0512)15 81.7922013662019 56.9672018452009 0.070.522013
BEACONSFIELD (IA0536)73 81.5981953621974, 2003 58.8721953411992 0.204.652018
BELLE-PLAINE (IA0600)135 81.41001913621909, 1974 57.5711937371949 0.143.262018
BELLEVUE-L-AND-D-12 (IA0608)87 80.4981953, 1984641974 57.6741973, 2000381949 0.083.201989
Boone (IA0807)119 82.11002000571935 57.5731953421949 0.112.232010
BURLINGTON (IA1060)59 81.81012000661974 61.5752000441967 0.162.851980
Burlington Airport (IA1063)127 83.21002000661924, 1974 61.8751937401949 0.142.851980
CARROLL-2-SSW (IA1233)135 82.0971897571935 57.2751942341967 0.134.201926
CASCADE (IA1257)83 79.5981953651994, 1974 55.6711973361949 0.102.001989
Cedar Rapids Airport (IA1314)71 80.5981953631974 58.2721973, 1953441967 0.050.882018
CEDAR-RAPIDS-1 (IA1319)142 82.1981922, 1912581935 58.7742000391949 0.122.701923
CENTERVILLE (IA1354)131 83.41031913631935, 2003 60.6752000391949 0.163.561914
CHARITON (IA1394)129 83.11011913611935 58.2711922331949 0.172.721931
CHARLES-CITY (IA1402)148 79.5971953611924 56.8711960, 1937, 1953381949 0.122.911923
CHEROKEE (IA1442)102 81.1951922621951, 1935 56.4721973361967, 1949, 1955 0.124.971926
CLARINDA (IA1533)159 83.71081913581910 59.2781898351949 0.162.551979
CLINTON-1 (IA1635)166 82.11031913671935 59.3721973, 2000421949, 1967 0.153.522018
COLUMBUS JUNCT 2 SSW (IA1731)123 82.71011953621935 59.5741913391967, 1955 0.142.921931
CORNING (IA1833)131 82.51011913622003 59.0771913391949 0.195.001914
Creston (IA1962)119 81.91011913581935 59.2741984361949 0.152.901914
DAVENPORT WFO (IA2070)13 81.7902015722017 61.5722018522017 0.151.502018
DECORAH-2-N (IA2110)131 80.51001913611974 55.7731973, 1898331949 0.122.241897
DENISON (IA2171)149 80.8971911581974 58.6761984391967, 1949 0.113.361926
Des Moines Airport (IA2203)146 82.0991913591935 61.1761913381949 0.091.771935
DES MOINES WSFO-JOHNSTON (IA2209)31 81.6952011702009, 2020 60.8742011502009, 2005 0.071.852018
Donnellson (IA2299)87 82.7991953671974 59.7732000411949 0.152.202003
DUBUQUE-LOCK-AND-DAM (IA2364)151 80.1971913, 1984, 2000581886 60.3762000421949, 1967, 1895 0.112.181989
Dubuque Airport (IA2367)73 78.1951984, 1953631974, 1951 57.4721973421967 0.082.152018
Elkader 6SSW (Osborn) (IA2603)136 81.4991984, 1913611951 54.9721973341949 0.162.201897
Emmetsburg (IA2689)131 80.6971913601974 56.9701990, 1898, 1937391949 0.061.812014
Estherville 4E (IA2724)135 80.3971922, 1953621909 55.1721953371974, 1949 0.071.501931
ESTHERVILLE MUNICIPAL AP (IA2725)28 79.4912011672000 55.9702011402009 0.040.671997
FAIRFIELD (IA2789)169 83.31031953641974 60.0801913391949 0.153.291931
FAYETTE (IA2864)136 80.01001913621935 55.6801900321949 0.162.241931
FOREST-CITY (IA2977)130 79.5981922601974 56.2701942, 1960311949 0.071.451923
FORT-DODGE (IA2999)173 81.2991911611935 56.9721942371949 0.102.201923, 1931
Fort Madison (IA3007)136 83.51021913641935 62.3801899421949 0.152.491931
GREENFIELD (IA3438)134 82.41001913611974, 1935 59.5751913381949 0.121.752018
GRINNELL-3-SW (IA3473)136 81.71001913611935 57.4731898331949 0.153.002018
GRUNDY-CENTER (IA3487)131 80.4991913631935 56.3701937, 1913351949 0.163.161931
GUTHRIE-CENTER (IA3509)131 82.4991913662009, 1935, 1951, 1974 57.6822015402009, 1949 0.102.041926
GUTTENBERG-L-AND-D-10 (IA3517)87 80.5961984671974 59.2732000, 1953381949 0.121.931972
HAMPTON-2-NW (IA3584)147 80.5991913601935 56.3711942371967, 1949 0.071.152014
HOLSTEIN 5 NNW (IA3910)9 78.6862022662019 57.6662018512020 0.060.362019
Iowa City (IA4101)168 82.9992011, 1984591935 59.2752000401949 0.132.221926
IOWA CITY MUNICIPAL AP (IA4106)80 80.6982011, 1953641974 59.5741953361949 0.091.212018
IOWA-FALLS (IA4142)160 80.7961953, 1984601935 56.0751960351895 0.111.601931
JEFFERSON (IA4228)135 82.01011911621935 58.3781913391949 0.101.761926
KEOKUK LOCK DAM 19 (IA4381)170 83.21001953, 1913601935 63.4801913401949 0.132.761931
KEOSAUQUA (IA4389)148 84.41021913601935 59.9751989, 2000401967, 1915 0.142.671931
Lamoni (IA4585)127 82.91021913601935 60.4751984381949 0.133.122018
LAMONI (IA4587)26 81.7932011692020 61.0732011502009 0.112.132018
Le Claire L&D 14 (IA4705)86 80.6971953652003 61.6751953441949 0.133.001989
LEMARS (IA4735)148 82.4981894621935, 1974 57.8761913371949 0.072.461933
LITTLE SIOUX 2NW (IA4874)37 82.4951990661994 57.7681990402009 0.101.732014
LOGAN (IA4894)158 83.41011937601974 59.0791913401949 0.111.801924, 1926
LOWDEN (IA4963)37 80.9952011632003 57.0722000402009 0.204.042018
MANCHESTER-2 (IA5086)103 79.7961922, 2000, 1953631935 56.2711973, 2000361967 0.152.841989
MAPLETON NO. 2 (IA5123)86 81.3941970, 1953642019, 1951, 1974 58.1741953361949 0.071.542013
MAQUOKETA-2-W (IA5131)167 81.1971913, 1922631935, 2003 56.7721973, 2000391949, 1901 0.122.671989
MARSHALLTOWN (IA5198)148 81.91011913621935 57.2731953361949 0.133.461926
MARSHALLTOWN MUNICIPAL AP (IA5199)27 80.9942011692009 57.8712011432009 0.081.842018
MASON-CITY (IA5230)137 79.6981984621935, 1952 55.6721942331949 0.111.751923
MASON CITY MUNICIPAL AP (IA5235)82 79.0961984, 2011591974 54.8721960, 1953351949 0.071.751959
Milford (IA5493)104 79.6931925601974, 1951 56.4711937371949 0.051.221961
MOUNT-AYR (IA5769)132 82.91011913611935 59.5751913371949 0.174.002018
MOUNT-PLEASANT (IA5796)160 83.41011953631935 60.0742000411949 0.142.302010
MUSCATINE (IA5837)185 83.01001953, 1913631935 60.0742000, 1953421949 0.152.381931
MUSCATINE 2N (IA5844)26 81.2972000622003 60.1752000472009 0.131.022010
NEW-HAMPTON (IA5952)127 79.3991913631974, 1935 56.2701898281949 0.172.461969
NEWTON (IA5992)155 82.41001913611935 59.4731957, 1953391949 0.143.252010
NORTHWOOD (IA6103)128 78.6952011, 1913611974 55.8711960351949 0.102.401897
OAKLAND-2-E (IA6151)105 82.51001922621935, 1974 58.9791937331949 0.102.871924
OELWEIN 1E (IA6199)18 79.8902012672009 57.2662010442009 0.201.862010
OSAGE (IA6305)158 79.2971913611974 56.7701942, 1898, 1937391949 0.152.881897
OSCEOLA-3-WSW (IA6316)142 83.61011937621974 59.3741913421949 0.153.872018
OSKALOOSA (IA6327)148 82.81001953611935 59.0741913381949 0.162.991931
Ottumwa (IA6389)128 83.11031911641974 60.8761942, 1953421949 0.123.701931
PERRY (IA6566)123 81.9992000621935 57.6711942371967, 1949 0.131.652014
POCAHONTAS (IA6719)120 81.3971911601935 56.4721942381949 0.092.062014
Postville (IA6766)133 78.4951913621951 56.9731953381909 0.163.121897
PRIMGHAR (IA6800)129 81.7981913621935, 1974 57.7711942, 1960381949 0.071.901933
RATHBUN DAM (IA6910)55 81.3962000632004 60.2742000471987 0.162.061980
RED-OAK (IA6940)152 83.91011913611935 59.7751913341949 0.152.501926
ROCK-RAPIDS (IA7147)131 81.2991913621951 56.2751913331893 0.096.411933
SAC-CITY (IA7312)154 81.41001953571935 57.2731973401974, 2009 0.113.751926
SANBORN (IA7386)142 80.0981913601935 56.3701973, 1942, 1953371949 0.072.051933
SHENANDOAH-1-NE (IA7613)106 84.71021922631974 60.7761984381949 0.132.681979
SIBLEY-5-NNE (IA7664)145 80.3941922, 1925, 1898591974 55.3761900321949 0.061.871933
SIGOURNEY (IA7678)148 83.0991913622003 59.8741975, 1973401949 0.132.551931
SIOUX CENTER 2 SE (IA7700)125 81.6971913601974 56.8701942, 1960, 1937381974 0.072.001933
SIOUX CITY ANG (IA7702)27 82.61022012632019 58.8672013452009 0.101.152014
SIOUX-CITY-WSO-AP (IA7708)135 82.1981913, 1970571935 59.4771953, 1913381949 0.093.121933
SIOUX-RAPIDS (IA7726)83 80.5941953601974 56.4721984, 1942341949 0.040.621959
Spencer (IA7844)129 81.1991911601974 56.2711942, 1953, 1960331949 0.071.121957
SPIRIT LAKE (IA7859)145 80.1971913601994 57.8772007411949 0.040.641933
STANLEY (IA7892)19 78.9892012662019 54.5662010402009 0.221.852010
STORM-LAKE-2-E (IA7979)147 80.3961911591935 57.8731942371949 0.061.371926
SWEA CITY 4 W (IA8026)69 78.5911960621994, 1974 55.6711960401974, 2009 0.071.251971
TOLEDO (IA8296)130 81.7991913, 1922591935 57.1721907, 1953371967 0.153.072018
VINTON (IA8568)155 81.8991913621935 57.7711957, 1898, 2011341949 0.131.741897
WASHINGTON (IA8688)163 83.11001984, 1953611935 59.5742000381949 0.152.942010
WATERLOO (IA8706)131 81.31001913611935 57.0721973, 1898361967, 1949 0.123.232018
WEBSTER-CITY (IA8806)154 81.2991913631974 56.2721942341949 0.091.801906
WILLIAMSBURG (IA9067)145 81.91001913621935 57.9711957, 1973, 1898, 2000391967 0.142.092010
WINTERSET (IA9132)131 82.8991931631935 59.1771984351967 0.121.702018
Iowa - Northwest Climate Division (IAC001)131 81.0981913631935 57.7751953381949 0.081.471933
Iowa - North Central Climate Division (IAC002)131 79.9981913631935 57.4741953371949 0.111.181923
Iowa - Northeast Climate Division (IAC003)131 79.8981913631958, 1935 57.7741953381949 0.131.912010
Iowa - West Central Climate Division (IAC004)131 82.2991913611935 59.2751953391949 0.111.721926
Iowa - Central Climate Division (IAC005)131 81.7991913621935 59.0761953381949 0.121.672010
Iowa - East Central Climate Division (IAC006)131 81.5991913631935 59.4751953401949 0.151.651989
Iowa - Southwest Climate Division (IAC007)131 83.41011913611935 60.6751953, 1913401949 0.131.221935
Iowa - South Central Climate Division (IAC008)131 83.11001913621935 60.7761953391949 0.151.792018
Iowa - Southeast Climate Division (IAC009)131 83.11011913631935 60.8761953401949 0.172.911989
Iowa Drought Region 1 - Northwest (IAD001)131 81.7991913621935 58.1751953381949 0.091.941933
Iowa Drought Region 2 - Northcentral (IAD002)131 80.9981913621935 58.2751953381949 0.101.212014
Iowa Drought Region 3 - Northeast (IAD003)131 80.5991913631935 58.3741953391949 0.141.612010
Iowa Drought Region 4 - Southwest (IAD004)131 83.11001913611935 60.4751953, 1913401949 0.121.281926
Iowa Drought Region 5 - Southeast (IAD005)131 82.81001913621935 60.5761953391949 0.152.051931
Spencer Airport (IAKSPW)29 82.4922022692000 56.7702011402009 0.020.521997
Waterloo Area (IATALO)129 81.21001913611935 57.0721973, 1898361967, 1949 0.133.232018
Ames Area (IATAME)131 81.91011913611935 57.8732016371949 0.123.352010
Cedar Rapids Area (IATCID)131 81.4981912, 1922, 1953581935 58.5731898391949 0.102.701923
Dubuque Area (IATDBQ)151 79.0971913581886 58.8731937421967, 1895 0.112.152018
Des Moines Area (IATDSM)146 82.0991913591935 61.1761913381949 0.091.771935
Ida Grove Area (IATIDA)121 82.3991913611935 57.7781953371955 0.102.811906
Oelwein Area (IATOEL)101 79.4961937, 1984641974 56.7721929371955 0.152.551923
Spencer Area (IATSPW)129 81.3991911601974 56.2711960, 1953331949 0.071.121957
Sioux City Area (IATSUX)135 82.1981970, 1913571935 59.4771953, 1913381949 0.093.121933