NWS COOP Climatology for 30 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=30&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:
LITTLE SIOUX 2NW (IA4874)37 75.4972023492018 45.6662023302003, 2005 0.071.502021
SIOUX CITY ANG (IA7702)27 75.3932023492018 46.1652023312003 0.030.402007
BATTLE CREEK 3NE (IA0512)15 75.2942023482018 46.2692023362012 0.030.232021
Spencer Airport (IAKSPW)29 75.0962023572018 46.7682023272003 0.112.292021
DES MOINES WSFO-JOHNSTON (IA2209)31 75.0922023502018 50.7682023322003 0.060.822021
AMES MUNICIPAL AP (IA0197)27 75.0932023512018 47.1672002272003 0.081.722021
SHENANDOAH-1-NE (IA7613)106 74.7942023491985 48.0732023251984 0.101.261961
LAMONI (IA4587)26 74.5912002, 2023522003 51.0702019392009 0.020.492021
RED-OAK (IA6940)152 74.0961994481945 46.9701971, 2023231939 0.101.942019
MARSHALLTOWN MUNICIPAL AP (IA5199)27 73.7932023512018 47.2702002292003 0.040.622018
BURLINGTON (IA1060)59 73.5901994552003 50.2722002331984 0.091.402019
ESTHERVILLE MUNICIPAL AP (IA2725)28 73.4922023552018 45.9662023272003 0.122.142021
DAVENPORT WFO (IA2070)13 73.4902023622018 49.7672019402017 0.020.102020
OAKLAND-2-E (IA6151)105 73.3922023492018 45.9701971251939 0.081.672021
ATLANTIC-1-NE (IA0364)148 73.3921994, 2023451945 44.7691971211984 0.081.501961
MAPLETON NO. 2 (IA5123)86 73.2942023451947 44.9701971241984 0.040.741961
HOLSTEIN 5 NNW (IA3910)9 73.1932023482018 48.8652023412018 0.020.102021
LOWDEN (IA4963)37 73.1942023582018 45.8662019292003 0.030.702007
KEOSAUQUA (IA4389)148 73.1921952521945 47.1681971241899 0.121.852019, 1925
LOGAN (IA4894)158 73.0952023441985 45.6701971241895 0.071.501961
Fort Madison (IA3007)136 73.0921952501899 49.8682019311899, 1924 0.081.561893
CLARINDA (IA1533)159 72.9921937, 1952441985 45.5671971241984 0.121.901961
Donnellson (IA2299)87 72.7911952521985, 1945 47.8651971, 2002301984 0.091.761986
Iowa - Southwest Climate Division (IAC007)131 72.7942023431985 47.9671981271895 0.112.101961
SIOUX-CITY-WSO-AP (IA7708)135 72.6942023471945 46.4721971271895 0.071.431911
Sioux City Area (IATSUX)135 72.6942023471945 46.4721971271895 0.071.431911
Lamoni (IA4585)127 72.6922023491985, 1945 47.9691971271899 0.102.582019
OSCEOLA-3-WSW (IA6316)142 72.5921897, 2023501985 46.8661971261899 0.111.701961
RATHBUN DAM (IA6910)55 72.5912023451985 49.0701971321972, 1984 0.071.271985
MUSCATINE 2N (IA5844)26 72.5882002, 2021552018 49.0652002352003 0.050.312015
SIOUX-RAPIDS (IA7726)83 72.5912023471985 44.5662002262003, 1956 0.091.692007
GREENFIELD (IA3438)134 72.5911897, 2023451945 47.7682002261899 0.091.361919
Iowa Drought Region 4 - Southwest (IAD004)131 72.3942023431985 47.6662007, 1981271895 0.111.651961
Ottumwa (IA6389)128 72.3932023, 1897501985 48.2692002261899 0.113.871902
Allerton (IA0149)122 72.2911952491985 48.1671971311972, 1984 0.132.052019
MOUNT-AYR (IA5769)132 72.2911952471945 46.9671971291899 0.112.101961
ANAMOSA 3 SSW (IA0214)13 72.2872021532018 46.3582023362022 0.060.342015
CHARITON (IA1394)129 72.1921952491985 46.0691971251984 0.154.311902
LEMARS (IA4735)148 72.1932023451947 44.0671950251920 0.061.571923
Burlington Airport (IA1063)127 72.0911897, 1994, 2023501945 49.2692019, 1897231899 0.081.231995
OSKALOOSA (IA6327)148 72.0931937481985 46.6721971251899 0.121.891919
Iowa City (IA4101)168 72.0912002, 1952491945 46.7672002201899 0.102.101893
KEOKUK LOCK DAM 19 (IA4381)170 72.0911952521945 50.5681971311899 0.112.701986
WINTERSET (IA9132)131 72.0932023501945, 1985 46.9651937261974 0.091.801902
CORNING (IA1833)131 72.0921981411985 46.4651937201984 0.112.631919
CENTERVILLE (IA1354)131 72.0951897481985 48.0671981261899 0.132.171902
Iowa - South Central Climate Division (IAC008)131 71.9921953, 2023511945 48.3661981261899 0.121.941961
MOUNT-PLEASANT (IA5796)160 71.9911952511945 47.9672002321924, 1895, 1984 0.111.321919
WASHINGTON (IA8688)163 71.9931952501945, 1985 47.2691971212018 0.132.621923
Ida Grove Area (IATIDA)121 71.9942023461945 45.3691971, 2023231984 0.101.381919
Creston (IA1962)119 71.8912023471945 46.8691971, 1981261916 0.081.041985
OELWEIN 1E (IA6199)18 71.8882021522018 45.7582023362018 0.010.102018
Iowa - Southeast Climate Division (IAC009)131 71.7951953511945 48.4661954241899 0.121.741986
AMES-8-WSW (IA0200)131 71.7922023471945 46.6692002221899 0.134.161961
BEACONSFIELD (IA0536)73 71.6902023, 2002501985, 2018 46.9661982291992 0.081.811961
MUSCATINE (IA5837)185 71.6921994541985, 1920 47.7691971211899 0.101.881919
NEWTON (IA5992)155 71.6901952, 1994481945 47.1681971261899 0.142.751919
Des Moines Airport (IA2203)146 71.6922023, 1952461945 49.0701878, 1971261899 0.072.191911
Des Moines Area (IATDSM)146 71.6922023, 1952461945 49.0701878, 1971261899 0.072.191911
AUDUBON (IA0385)131 71.5912023451945 45.0681971241895 0.134.051961
FAIRFIELD (IA2789)169 71.5921952, 1897491985, 1945 48.0681971, 2002271899 0.101.771919
IOWA CITY MUNICIPAL AP (IA4106)80 71.5932023501945 47.6671971281949 0.050.891986
JEFFERSON (IA4228)135 71.5912023451945 45.7691971271899 0.101.991961
Iowa Drought Region 5 - Southeast (IAD005)131 71.4931953501945 48.0631995, 1954, 2002251899 0.121.591919
CARROLL-2-SSW (IA1233)135 71.4922023451945 44.7652007, 1971241895, 1899, 1956 0.092.481919
SIOUX CENTER 2 SE (IA7700)125 71.4922023481985, 1907 45.3652023241984 0.123.151923
GUTHRIE-CENTER (IA3509)131 71.4932023411985 45.7661937191899 0.103.031961
PRIMGHAR (IA6800)129 71.4922023441985 46.0692023241939 0.091.761965
SIGOURNEY (IA7678)148 71.3921937491985 47.2711971211899 0.132.281919
COLUMBUS JUNCT 2 SSW (IA1731)123 71.3921952521945, 1985, 1920 47.8662002281924 0.081.951919
Iowa - West Central Climate Division (IAC004)131 71.3942023411985 46.5662007261895 0.101.421995
PERRY (IA6566)123 71.2921937, 2023421985 45.5651905, 1937291939, 1984, 1956 0.132.861919
DENISON (IA2171)149 71.2932023431945 46.0671971241956 0.102.051919
Ames Area (IATAME)131 71.2911952471945 45.8671971221899 0.124.161961
Boone (IA0807)119 71.1921981431985 44.9641937251984 0.133.891919
CHEROKEE (IA1442)102 71.0922023401985 43.7662023241956 0.101.821923
Cedar Rapids Airport (IA1314)71 70.9942023501985, 1975 46.5682002282003 0.051.301961
MARSHALLTOWN (IA5198)148 70.9931897441985 44.6661971221899 0.122.511925
Le Claire L&D 14 (IA4705)86 70.9891952, 1971511945 49.8661995, 2002351974, 1939 0.050.911986
CLINTON-1 (IA1635)166 70.8902023, 1971511945 46.8692002191899 0.092.181893
WILLIAMSBURG (IA9067)145 70.8911897, 1952471945 45.7651971231899 0.133.151919
WEBSTER-CITY (IA8806)154 70.8931952421985 44.4671971231939 0.134.571925
CEDAR-RAPIDS-1 (IA1319)142 70.8942023461945 46.5682002221899 0.102.251893
AMES 5 SE (IA0203)124 70.7911952481945, 1985 47.0691971292003 0.132.731961
Iowa Drought Region 1 - Northwest (IAD001)131 70.6932023401985 45.3652007271920, 1895, 1939 0.101.951995
STANLEY (IA7892)19 70.6862021512018 43.8582023302018 0.010.212018
Spencer Area (IATSPW)129 70.5962023441985 43.4682023231939 0.082.292021
TOLEDO (IA8296)130 70.5921952431985 44.8632002171899 0.123.001925
VINTON (IA8568)155 70.5921952471985 45.5692002221899 0.112.101961
Iowa Average (IA0000)131 70.3902023491985 46.6631995251899 0.111.101919
Emmetsburg (IA2689)131 70.3932023451985 44.8682023241895 0.111.611911
Iowa - Central Climate Division (IAC005)131 70.3912023461985 46.6641995241899 0.121.811925
FORT-DODGE (IA2999)173 70.2911952441985, 1945 44.8671971251899, 1939 0.122.001925
ALLISON (IA0157)110 70.2921952451985 45.3621925, 1995271939 0.071.801925
SWEA CITY 4 W (IA8026)69 70.1892023431985 44.1632002271972, 1956 0.112.351977
Spencer (IA7844)129 70.1932023441985 43.5692023231939 0.071.551911
Cedar Rapids Area (IATCID)131 70.1942023461945 46.1682002221899 0.092.251893
POCAHONTAS (IA6719)120 70.1921952481947, 1959, 1907 44.0621971231939 0.111.611911
ROCK-RAPIDS (IA7147)131 70.1932023421985 42.7621905211899 0.122.341977
SAC-CITY (IA7312)154 70.1942023411985 45.0681971261899 0.101.441911, 1919
Waterloo Area (IATALO)129 70.0942023461945 44.6722002191899 0.101.692007
BELLE-PLAINE (IA0600)135 70.0931952481945, 1985 44.9651905, 1971231899 0.081.771925
MASON CITY MUNICIPAL AP (IA5235)82 70.0922023441985 43.7682002272003 0.050.671961
GRINNELL-3-SW (IA3473)136 70.0911897, 1952441985 45.3642021221984 0.135.521919
WATERLOO (IA8706)131 69.9942023461945 44.7722002191899 0.111.692007
Milford (IA5493)104 69.9902023431985 45.3662023251939 0.102.241977
Iowa - East Central Climate Division (IAC006)131 69.8941953501945 46.8641954201899 0.111.571919
BELLEVUE-L-AND-D-12 (IA0608)87 69.7901952501945 45.5661954301993, 1984, 1949 0.051.361941
Iowa - Northwest Climate Division (IAC001)131 69.7922023401985 45.0642007261939 0.101.961995
GUTTENBERG-L-AND-D-10 (IA3517)87 69.7881952491945 47.6702002271972 0.071.791961
SIBLEY-5-NNE (IA7664)145 69.7931897381985 42.4632023161939 0.102.351977
SPIRIT LAKE (IA7859)145 69.6931897421985 45.5661983251939 0.092.311977
IOWA-FALLS (IA4142)160 69.6921952461985 44.3641971191899 0.102.741925
Iowa Drought Region 2 - Northcentral (IAD002)131 69.6922023421985 45.8641995251899 0.111.571925
GRUNDY-CENTER (IA3487)131 69.6911952431985 44.7641982, 1905201899 0.123.411925
CASCADE (IA1257)83 69.6871952, 1971, 2002501945 43.5622002271949 0.071.601961
Elkader 6SSW (Osborn) (IA2603)136 69.6921897451985 42.6621995, 2002171899 0.123.371961
Oelwein Area (IATOEL)101 69.4882021451945 45.0692002271972 0.113.351961
HAMPTON-2-NW (IA3584)147 69.4941952421985 44.1621982241899 0.102.181925
MAQUOKETA-2-W (IA5131)167 69.3892021491945 44.0591950, 1943171899 0.101.851893
ALGONA (IA0133)163 69.3911952451985 45.1611943, 1950, 1922, 1897271939, 1956 0.153.451923
STORM-LAKE-2-E (IA7979)147 69.3892023421985 45.1631905261939 0.101.471911
SANBORN (IA7386)142 69.1901897431947 43.9621950, 2023221939 0.081.141977
Estherville 4E (IA2724)135 69.1911897411985 42.2621995181899 0.114.031925
CHARLES-CITY (IA1402)148 68.9912023451985 44.5662023191899 0.101.581911
MANCHESTER-2 (IA5086)103 68.7891952471985 44.0611925, 2002261984 0.102.401961
Dubuque Airport (IA2367)73 68.7872023, 1971481985 46.4662002301972, 2003 0.092.641961
FOREST-CITY (IA2977)130 68.7901952, 1897441985 43.3621995251908 0.102.101925
Iowa Drought Region 3 - Northeast (IAD003)131 68.6921953491945 45.8611995, 1982, 1954201899 0.111.381925
Iowa - North Central Climate Division (IAC002)131 68.4902023431985 45.0631995231899 0.122.431925
DECORAH-2-N (IA2110)131 68.3912023431899 43.8652023181899 0.111.451961
NEW-HAMPTON (IA5952)127 68.0871952432018 44.5682002221899 0.091.371961
DUBUQUE-LOCK-AND-DAM (IA2364)151 68.0891897471876 48.5681878241899 0.112.271881
FAYETTE (IA2864)136 68.0901897441945 42.5611925151899 0.123.351961
MASON-CITY (IA5230)137 68.0911952451945, 1985 43.4621971151899 0.112.191925
OSAGE (IA6305)158 67.8901952451985, 1945 44.1611950201899 0.122.301925
Dubuque Area (IATDBQ)151 67.7891897471876 47.4681878241899 0.122.641961
Iowa - Northeast Climate Division (IAC003)131 67.6901953481945 45.2621982201899 0.101.271925
NORTHWOOD (IA6103)128 67.1891897441985 43.3611971201899 0.132.581982
Postville (IA6766)133 66.9881897461945 44.8631950, 1971261899 0.112.751961