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

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Station	Years	High Temperature [F]						Low Temperature [F]						Precipitation [inch]
		Avg:	Max:	Year:	Min:	Year:		Avg:	Max:	Year:	Min:	Year:		Avg:	Max:	Year:
BELLEVUE-L-AND-D-12 (IA0608)	87	69.7	90	1952	50	1945		45.5	66	1954	30	1993, 1984, 1949		0.05	1.36	1941
PERRY (IA6566)	123	71.2	92	1937, 2023	42	1985		45.5	65	1905, 1937	29	1939, 1984, 1956		0.13	2.86	1919
MOUNT-PLEASANT (IA5796)	160	71.9	91	1952	51	1945		47.9	67	2002	32	1924, 1895, 1984		0.11	1.32	1919
Iowa Drought Region 1 - Northwest (IAD001)	131	70.5	93	2023	40	1985		45.4	65	2007	27	1920, 1895, 1939		0.10	1.95	1995
CARROLL-2-SSW (IA1233)	135	71.4	92	2023	45	1945		44.7	65	2007, 1971	24	1895, 1899, 1956		0.09	2.48	1919
LITTLE SIOUX 2NW (IA4874)	37	75.4	97	2023	49	2018		45.6	66	2023	30	2003, 2005		0.07	1.50	2021
SIOUX-RAPIDS (IA7726)	83	72.5	91	2023	47	1985		44.5	66	2002	26	2003, 1956		0.09	1.69	2007
Le Claire L&D 14 (IA4705)	86	70.9	89	1952, 1971	51	1945		49.8	66	1995, 2002	35	1974, 1939		0.05	0.91	1986
Dubuque Airport (IA2367)	73	68.7	87	2023, 1971	48	1985		46.4	66	2002	30	1972, 2003		0.09	2.64	1961
Allerton (IA0149)	122	72.2	91	1952	49	1985		48.1	67	1971	31	1972, 1984		0.13	2.05	2019
RATHBUN DAM (IA6910)	55	72.5	91	2023	45	1985		49.0	70	1971	32	1972, 1984		0.07	1.27	1985
SWEA CITY 4 W (IA8026)	69	70.1	89	2023	43	1985		44.1	63	2002	27	1972, 1956		0.11	2.35	1977
ALGONA (IA0133)	163	69.3	91	1952	45	1985		45.1	61	1943, 1950, 1922, 1897	27	1939, 1956		0.15	3.45	1923
FORT-DODGE (IA2999)	173	70.2	91	1952	44	1985, 1945		44.8	67	1971	25	1899, 1939		0.12	2.00	1925
Fort Madison (IA3007)	136	73.0	92	1952	50	1899		49.8	68	2019	31	1899, 1924		0.08	1.56	1893
ANAMOSA 3 SSW (IA0214)	13	72.2	87	2021	53	2018		46.3	58	2023	36	2022		0.06	0.34	2015
HOLSTEIN 5 NNW (IA3910)	9	73.1	93	2023	48	2018		48.8	65	2023	41	2018		0.02	0.10	2021
OELWEIN 1E (IA6199)	18	71.8	88	2021	52	2018		45.7	58	2023	36	2018		0.01	0.10	2018
STANLEY (IA7892)	19	70.6	86	2021	51	2018		43.8	58	2023	30	2018		0.01	0.21	2018
WASHINGTON (IA8688)	163	71.9	93	1952	50	1985, 1945		47.2	69	1971	21	2018		0.13	2.62	1923
DAVENPORT WFO (IA2070)	13	73.4	90	2023	62	2018		49.7	67	2019	40	2017		0.02	0.10	2020
BATTLE CREEK 3NE (IA0512)	15	75.2	94	2023	48	2018		46.2	69	2023	36	2012		0.03	0.23	2021
LAMONI (IA4587)	26	74.5	91	2023, 2002	52	2003		51.0	70	2019	39	2009		0.02	0.49	2021
AMES MUNICIPAL AP (IA0197)	27	75.0	93	2023	51	2018		47.1	67	2002	27	2003		0.08	1.72	2021
AMES 5 SE (IA0203)	124	70.7	91	1952	48	1985, 1945		47.0	69	1971	29	2003		0.13	2.73	1961
Cedar Rapids Airport (IA1314)	71	70.9	94	2023	50	1975, 1985		46.5	68	2002	28	2003		0.05	1.30	1961
DES MOINES WSFO-JOHNSTON (IA2209)	31	75.0	92	2023	50	2018		50.7	68	2023	32	2003		0.06	0.82	2021
ESTHERVILLE MUNICIPAL AP (IA2725)	28	73.4	92	2023	55	2018		45.9	66	2023	27	2003		0.12	2.14	2021
LOWDEN (IA4963)	37	73.1	94	2023	58	2018		45.8	66	2019	29	2003		0.03	0.70	2007
MARSHALLTOWN MUNICIPAL AP (IA5199)	27	73.7	93	2023	51	2018		47.2	70	2002	29	2003		0.04	0.62	2018
MASON CITY MUNICIPAL AP (IA5235)	82	70.0	92	2023	44	1985		43.7	68	2002	27	2003		0.05	0.67	1961
MUSCATINE 2N (IA5844)	26	72.5	88	2002, 2021	55	2018		49.0	65	2002	35	2003		0.05	0.31	2015
SIOUX CITY ANG (IA7702)	27	75.3	93	2023	49	2018		46.1	65	2023	31	2003		0.03	0.40	2007
Spencer Airport (IAKSPW)	29	75.0	96	2023	57	2018		46.7	68	2023	27	2003		0.11	2.29	2021
BEACONSFIELD (IA0536)	73	71.6	90	2002, 2023	50	2018, 1985		46.9	66	1982	29	1992		0.08	1.81	1961
ATLANTIC-1-NE (IA0364)	148	73.3	92	2023, 1994	45	1945		44.7	69	1971	21	1984		0.08	1.50	1961
Boone (IA0807)	119	71.1	92	1981	43	1985		44.9	64	1937	25	1984		0.13	3.89	1919
BURLINGTON (IA1060)	59	73.5	90	1994	55	2003		50.2	72	2002	33	1984		0.09	1.40	2019
CHARITON (IA1394)	129	72.1	92	1952	49	1985		46.0	69	1971	25	1984		0.15	4.31	1902
CLARINDA (IA1533)	159	72.9	92	1952, 1937	44	1985		45.5	67	1971	24	1984		0.12	1.90	1961
CORNING (IA1833)	131	72.0	92	1981	41	1985		46.4	65	1937	20	1984		0.11	2.63	1919
Donnellson (IA2299)	87	72.7	91	1952	52	1945, 1985		47.8	65	1971, 2002	30	1984		0.09	1.76	1986
GRINNELL-3-SW (IA3473)	136	70.0	91	1952, 1897	44	1985		45.3	64	2021	22	1984		0.13	5.52	1919
MANCHESTER-2 (IA5086)	103	68.7	89	1952	47	1985		44.0	61	1925, 2002	26	1984		0.10	2.40	1961
MAPLETON NO. 2 (IA5123)	86	73.2	94	2023	45	1947		44.9	70	1971	24	1984		0.04	0.74	1961
SHENANDOAH-1-NE (IA7613)	106	74.7	94	2023	49	1985		48.0	73	2023	25	1984		0.10	1.26	1961
SIOUX CENTER 2 SE (IA7700)	125	71.4	92	2023	48	1907, 1985		45.3	65	2023	24	1984		0.12	3.15	1923
Ida Grove Area (IATIDA)	121	71.9	94	2023	46	1945		45.3	69	1971, 2023	23	1984		0.10	1.38	1919
WINTERSET (IA9132)	131	72.0	93	2023	50	1945, 1985		46.9	65	1937	26	1974		0.09	1.80	1902
GUTTENBERG-L-AND-D-10 (IA3517)	87	69.7	88	1952	49	1945		47.6	70	2002	27	1972		0.07	1.79	1961
Oelwein Area (IATOEL)	101	69.4	88	2021	45	1945		45.0	69	2002	27	1972		0.11	3.35	1961
CHEROKEE (IA1442)	102	71.0	92	2023	40	1985		43.7	66	2023	24	1956		0.10	1.82	1923
DENISON (IA2171)	149	71.2	93	2023	43	1945		46.0	67	1971	24	1956		0.10	2.05	1919
CASCADE (IA1257)	83	69.6	87	1952, 1971, 2002	50	1945		43.5	62	2002	27	1949		0.07	1.60	1961
IOWA CITY MUNICIPAL AP (IA4106)	80	71.5	93	2023	50	1945		47.6	67	1971	28	1949		0.05	0.89	1986
ALLISON (IA0157)	110	70.2	92	1952	45	1985		45.3	62	1925, 1995	27	1939		0.07	1.80	1925
Milford (IA5493)	104	69.9	90	2023	43	1985		45.3	66	2023	25	1939		0.10	2.24	1977
OAKLAND-2-E (IA6151)	105	73.3	92	2023	49	2018		45.9	70	1971	25	1939		0.08	1.67	2021
POCAHONTAS (IA6719)	120	70.1	92	1952	48	1907, 1959, 1947		44.0	62	1971	23	1939		0.11	1.61	1911
PRIMGHAR (IA6800)	129	71.4	92	2023	44	1985		46.0	69	2023	24	1939		0.09	1.76	1965
RED-OAK (IA6940)	152	74.0	96	1994	48	1945		46.9	70	1971, 2023	23	1939		0.10	1.94	2019
SANBORN (IA7386)	142	69.1	90	1897	43	1947		43.9	62	1950, 2023	22	1939		0.08	1.14	1977
SIBLEY-5-NNE (IA7664)	145	69.7	93	1897	38	1985		42.4	63	2023	16	1939		0.10	2.35	1977
Spencer (IA7844)	129	70.1	93	2023	44	1985		43.5	69	2023	23	1939		0.07	1.55	1911
SPIRIT LAKE (IA7859)	145	69.6	93	1897	42	1985		45.5	66	1983	25	1939		0.09	2.31	1977
STORM-LAKE-2-E (IA7979)	147	69.3	89	2023	42	1985		45.1	63	1905	26	1939		0.10	1.47	1911
WEBSTER-CITY (IA8806)	154	70.8	93	1952	42	1985		44.4	67	1971	23	1939		0.13	4.57	1925
Iowa - Northwest Climate Division (IAC001)	131	69.6	92	2023	40	1985		45.1	64	2007	26	1939		0.10	1.96	1995
Spencer Area (IATSPW)	129	70.5	96	2023	44	1985		43.4	68	2023	23	1939		0.08	2.29	2021
COLUMBUS JUNCT 2 SSW (IA1731)	123	71.3	92	1952	52	1985, 1920, 1945		47.8	66	2002	28	1924		0.08	1.95	1919
LEMARS (IA4735)	148	72.1	93	2023	45	1947		44.0	67	1950	25	1920		0.06	1.57	1923
Creston (IA1962)	119	71.8	91	2023	47	1945		46.8	69	1971, 1981	26	1916		0.08	1.04	1985
FOREST-CITY (IA2977)	130	68.7	90	1897, 1952	44	1985		43.3	62	1995	25	1908		0.10	2.10	1925
Iowa Average (IA0000)	131	70.3	90	2023	49	1985		46.6	63	1995	25	1899		0.11	1.10	1919
AMES-8-WSW (IA0200)	131	71.7	92	2023	47	1945		46.6	69	2002	22	1899		0.13	4.16	1961
BELLE-PLAINE (IA0600)	135	70.0	93	1952	48	1945, 1985		44.9	65	1905, 1971	23	1899		0.08	1.77	1925
Burlington Airport (IA1063)	127	72.0	91	1897, 2023, 1994	50	1945		49.2	69	2019, 1897	23	1899		0.08	1.23	1995
CEDAR-RAPIDS-1 (IA1319)	142	70.8	94	2023	46	1945		46.5	68	2002	22	1899		0.10	2.25	1893
CENTERVILLE (IA1354)	131	72.0	95	1897	48	1985		48.0	67	1981	26	1899		0.13	2.17	1902
CHARLES-CITY (IA1402)	148	68.9	91	2023	45	1985		44.5	66	2023	19	1899		0.10	1.58	1911
CLINTON-1 (IA1635)	166	70.8	90	2023, 1971	51	1945		46.8	69	2002	19	1899		0.09	2.18	1893
DECORAH-2-N (IA2110)	131	68.3	91	2023	43	1899		43.8	65	2023	18	1899		0.11	1.45	1961
Des Moines Airport (IA2203)	146	71.6	92	1952, 2023	46	1945		49.0	70	1878, 1971	26	1899		0.07	2.19	1911
DUBUQUE-LOCK-AND-DAM (IA2364)	151	68.0	89	1897	47	1876		48.5	68	1878	24	1899		0.11	2.27	1881
Elkader 6SSW (Osborn) (IA2603)	136	69.6	92	1897	45	1985		42.6	62	1995, 2002	17	1899		0.12	3.37	1961
Estherville 4E (IA2724)	135	69.1	91	1897	41	1985		42.2	62	1995	18	1899		0.11	4.03	1925
FAIRFIELD (IA2789)	169	71.5	92	1897, 1952	49	1985, 1945		48.0	68	1971, 2002	27	1899		0.10	1.77	1919
FAYETTE (IA2864)	136	68.0	90	1897	44	1945		42.5	61	1925	15	1899		0.12	3.35	1961
GREENFIELD (IA3438)	134	72.5	91	2023, 1897	45	1945		47.7	68	2002	26	1899		0.09	1.36	1919
GRUNDY-CENTER (IA3487)	131	69.6	91	1952	43	1985		44.7	64	1982, 1905	20	1899		0.12	3.41	1925
GUTHRIE-CENTER (IA3509)	131	71.4	93	2023	41	1985		45.7	66	1937	19	1899		0.10	3.03	1961
HAMPTON-2-NW (IA3584)	147	69.4	94	1952	42	1985		44.1	62	1982	24	1899		0.10	2.18	1925
Iowa City (IA4101)	168	72.0	91	2002, 1952	49	1945		46.7	67	2002	20	1899		0.10	2.10	1893
IOWA-FALLS (IA4142)	160	69.6	92	1952	46	1985		44.3	64	1971	19	1899		0.10	2.74	1925
JEFFERSON (IA4228)	135	71.5	91	2023	45	1945		45.7	69	1971	27	1899		0.10	1.99	1961
KEOKUK LOCK DAM 19 (IA4381)	170	72.0	91	1952	52	1945		50.5	68	1971	31	1899		0.11	2.70	1986
KEOSAUQUA (IA4389)	148	73.1	92	1952	52	1945		47.1	68	1971	24	1899		0.12	1.85	2019, 1925
Lamoni (IA4585)	127	72.6	92	2023	49	1985, 1945		47.9	69	1971	27	1899		0.10	2.58	2019
MAQUOKETA-2-W (IA5131)	167	69.3	89	2021	49	1945		44.0	59	1950, 1943	17	1899		0.10	1.85	1893
MARSHALLTOWN (IA5198)	148	70.9	93	1897	44	1985		44.6	66	1971	22	1899		0.12	2.51	1925
MASON-CITY (IA5230)	137	68.0	91	1952	45	1945, 1985		43.4	62	1971	15	1899		0.11	2.19	1925
MOUNT-AYR (IA5769)	132	72.2	91	1952	47	1945		46.9	67	1971	29	1899		0.11	2.10	1961
MUSCATINE (IA5837)	185	71.6	92	1994	54	1985, 1920		47.7	69	1971	21	1899		0.10	1.88	1919
NEW-HAMPTON (IA5952)	127	68.0	87	1952	43	2018		44.5	68	2002	22	1899		0.09	1.37	1961
NEWTON (IA5992)	155	71.6	90	1994, 1952	48	1945		47.1	68	1971	26	1899		0.14	2.75	1919
NORTHWOOD (IA6103)	128	67.1	89	1897	44	1985		43.3	61	1971	20	1899		0.13	2.58	1982
OSAGE (IA6305)	158	67.8	90	1952	45	1985, 1945		44.1	61	1950	20	1899		0.12	2.30	1925
OSCEOLA-3-WSW (IA6316)	142	72.5	92	1897, 2023	50	1985		46.8	66	1971	26	1899		0.11	1.70	1961
OSKALOOSA (IA6327)	148	72.0	93	1937	48	1985		46.6	72	1971	25	1899		0.12	1.89	1919
Ottumwa (IA6389)	128	72.3	93	2023, 1897	50	1985		48.2	69	2002	26	1899		0.11	3.87	1902
Postville (IA6766)	133	66.9	88	1897	46	1945		44.8	63	1950, 1971	26	1899		0.11	2.75	1961
ROCK-RAPIDS (IA7147)	131	70.1	93	2023	42	1985		42.7	62	1905	21	1899		0.12	2.34	1977
SAC-CITY (IA7312)	154	70.1	94	2023	41	1985		45.0	68	1971	26	1899		0.10	1.44	1911, 1919
SIGOURNEY (IA7678)	148	71.3	92	1937	49	1985		47.2	71	1971	21	1899		0.13	2.28	1919
TOLEDO (IA8296)	130	70.5	92	1952	43	1985		44.8	63	2002	17	1899		0.12	3.00	1925
VINTON (IA8568)	131	70.5	92	1952	47	1985		45.5	69	2002	22	1899		0.11	2.10	1961
WATERLOO (IA8706)	131	69.9	94	2023	46	1945		44.7	72	2002	19	1899		0.11	1.69	2007
WILLIAMSBURG (IA9067)	145	70.8	91	1952, 1897	47	1945		45.7	65	1971	23	1899		0.13	3.15	1919
Iowa - North Central Climate Division (IAC002)	131	68.4	90	2023	43	1985		45.0	63	1995	23	1899		0.12	2.43	1925
Iowa - Northeast Climate Division (IAC003)	131	67.5	90	1953	48	1945		45.3	62	1982	20	1899		0.10	1.27	1925
Iowa - Central Climate Division (IAC005)	131	70.2	91	2023	46	1985		46.7	64	1995	24	1899		0.12	1.81	1925
Iowa - East Central Climate Division (IAC006)	131	69.7	94	1953	50	1945		46.9	64	1954	20	1899		0.11	1.57	1919
Iowa - South Central Climate Division (IAC008)	131	71.9	92	1953, 2023	51	1945		48.4	66	1981	26	1899		0.12	1.94	1961
Iowa - Southeast Climate Division (IAC009)	131	71.7	95	1953	51	1945		48.5	66	1954	24	1899		0.12	1.74	1986
Iowa Drought Region 2 - Northcentral (IAD002)	131	69.6	92	2023	42	1985		45.9	64	1995	25	1899		0.11	1.57	1925
Iowa Drought Region 3 - Northeast (IAD003)	131	68.6	92	1953	49	1945		45.9	61	1995, 1982, 1954	20	1899		0.11	1.38	1925
Iowa Drought Region 5 - Southeast (IAD005)	131	71.4	93	1953	50	1945		48.1	63	1995, 1954, 2002	25	1899		0.12	1.59	1919
Waterloo Area (IATALO)	129	70.0	94	2023	46	1945		44.6	72	2002	19	1899		0.10	1.69	2007
Ames Area (IATAME)	131	71.2	91	1952	47	1945		45.8	67	1971	22	1899		0.12	4.16	1961
Cedar Rapids Area (IATCID)	131	70.1	94	2023	46	1945		46.1	68	2002	22	1899		0.09	2.25	1893
Dubuque Area (IATDBQ)	151	67.7	89	1897	47	1876		47.4	68	1878	24	1899		0.12	2.64	1961
Des Moines Area (IATDSM)	146	71.6	92	1952, 2023	46	1945		49.0	70	1878, 1971	26	1899		0.07	2.19	1911
AUDUBON (IA0385)	131	71.5	91	2023	45	1945		45.0	68	1971	24	1895		0.13	4.05	1961
Emmetsburg (IA2689)	131	70.3	93	2023	45	1985		44.8	68	2023	24	1895		0.11	1.61	1911
LOGAN (IA4894)	158	73.0	95	2023	44	1985		45.6	70	1971	24	1895		0.07	1.50	1961
SIOUX-CITY-WSO-AP (IA7708)	135	72.6	94	2023	47	1945		46.4	72	1971	27	1895		0.07	1.43	1911
Iowa - West Central Climate Division (IAC004)	131	71.2	94	2023	41	1985		46.6	66	2007	26	1895		0.10	1.42	1995
Iowa - Southwest Climate Division (IAC007)	131	72.6	94	2023	43	1985		48.0	67	1981	27	1895		0.11	2.10	1961
Iowa Drought Region 4 - Southwest (IAD004)	131	72.3	94	2023	43	1985		47.7	66	2007, 1981	27	1895		0.11	1.65	1961
Sioux City Area (IATSUX)	135	72.6	94	2023	47	1945		46.4	72	1971	27	1895		0.07	1.43	1911