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:
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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:
DAVENPORT WFO (IA2070)	13	81.7	90	2015	72	2017		61.5	72	2018	52	2017		0.15	1.50	2018
HOLSTEIN 5 NNW (IA3910)	9	78.6	86	2022	66	2019		57.6	66	2018	51	2020		0.06	0.36	2019
DES MOINES WSFO-JOHNSTON (IA2209)	31	81.6	95	2011	70	2020, 2009		60.8	74	2011	50	2009, 2005		0.07	1.85	2018
LAMONI (IA4587)	26	81.7	93	2011	69	2020		61.0	73	2011	50	2009		0.11	2.13	2018
ANAMOSA 3 SSW (IA0214)	13	80.8	89	2011	71	2021		56.5	65	2013	48	2022		0.12	0.92	2014
MUSCATINE 2N (IA5844)	26	81.2	97	2000	62	2003		60.1	75	2000	47	2009		0.13	1.02	2010
RATHBUN DAM (IA6910)	55	81.3	96	2000	63	2004		60.2	74	2000	47	1987		0.16	2.06	1980
BATTLE CREEK 3NE (IA0512)	15	81.7	92	2013	66	2019		56.9	67	2018	45	2009		0.07	0.52	2013
SIOUX CITY ANG (IA7702)	27	82.6	102	2012	63	2019		58.8	67	2013	45	2009		0.10	1.15	2014
BURLINGTON (IA1060)	59	81.8	101	2000	66	1974		61.5	75	2000	44	1967		0.16	2.85	1980
Cedar Rapids Airport (IA1314)	71	80.5	98	1953	63	1974		58.2	72	1973, 1953	44	1967		0.05	0.88	2018
Le Claire L&D 14 (IA4705)	86	80.6	97	1953	65	2003		61.6	75	1953	44	1949		0.13	3.00	1989
OELWEIN 1E (IA6199)	18	79.8	90	2012	67	2009		57.2	66	2010	44	2009		0.20	1.86	2010
MARSHALLTOWN MUNICIPAL AP (IA5199)	27	80.9	94	2011	69	2009		57.8	71	2011	43	2009		0.08	1.84	2018
AMES MUNICIPAL AP (IA0197)	27	81.9	94	2011	70	2009		56.9	71	2011	42	2009		0.11	2.47	2018
Boone (IA0807)	119	82.1	100	2000	57	1935		57.5	73	1953	42	1949		0.11	2.23	2010
CLINTON-1 (IA1635)	166	82.1	103	1913	67	1935		59.3	72	1973, 2000	42	1949, 1967		0.15	3.52	2018
DUBUQUE-LOCK-AND-DAM (IA2364)	151	80.1	97	1984, 2000, 1913	58	1886		60.3	76	2000	42	1949, 1967, 1895		0.11	2.18	1989
Dubuque Airport (IA2367)	73	78.1	95	1984, 1953	63	1974, 1951		57.4	72	1973	42	1967		0.08	2.15	2018
Fort Madison (IA3007)	136	83.5	102	1913	64	1935		62.3	80	1899	42	1949		0.15	2.49	1931
MUSCATINE (IA5837)	185	83.0	100	1953, 1913	63	1935		60.0	74	2000, 1953	42	1949		0.15	2.38	1931
OSCEOLA-3-WSW (IA6316)	142	83.6	101	1937	62	1974		59.3	74	1913	42	1949		0.15	3.87	2018
Ottumwa (IA6389)	128	83.1	103	1911	64	1974		60.8	76	1942, 1953	42	1949		0.12	3.70	1931
Dubuque Area (IATDBQ)	151	79.0	97	1913	58	1886		58.8	73	1937	42	1967, 1895		0.11	2.15	2018
AMES 5 SE (IA0203)	124	81.4	99	1913	62	1935		59.1	73	2016, 1960	41	1949		0.14	3.35	2010
BEACONSFIELD (IA0536)	73	81.5	98	1953	62	1974, 2003		58.8	72	1953	41	1992		0.20	4.65	2018
Donnellson (IA2299)	87	82.7	99	1953	67	1974		59.7	73	2000	41	1949		0.15	2.20	2003
MOUNT-PLEASANT (IA5796)	160	83.4	101	1953	63	1935		60.0	74	2000	41	1949		0.14	2.30	2010
SPIRIT LAKE (IA7859)	145	80.1	97	1913	60	1994		57.8	77	2007	41	1949		0.04	0.64	1933
Burlington Airport (IA1063)	127	83.2	100	2000	66	1924, 1974		61.8	75	1937	40	1949		0.14	2.85	1980
ESTHERVILLE MUNICIPAL AP (IA2725)	28	79.4	91	2011	67	2000		55.9	70	2011	40	2009		0.04	0.67	1997
GUTHRIE-CENTER (IA3509)	131	82.4	99	1913	66	2009, 1951, 1974, 1935		57.6	82	2015	40	2009, 1949		0.10	2.04	1926
Iowa City (IA4101)	168	82.9	99	1984, 2011	59	1935		59.2	75	2000	40	1949		0.13	2.22	1926
KEOKUK LOCK DAM 19 (IA4381)	170	83.2	100	1913, 1953	60	1935		63.4	80	1913	40	1949		0.13	2.76	1931
KEOSAUQUA (IA4389)	148	84.4	102	1913	60	1935		59.9	75	1989, 2000	40	1967, 1915		0.14	2.67	1931
LITTLE SIOUX 2NW (IA4874)	37	82.4	95	1990	66	1994		57.7	68	1990	40	2009		0.10	1.73	2014
LOGAN (IA4894)	158	83.4	101	1937	60	1974		59.0	79	1913	40	1949		0.11	1.80	1924, 1926
LOWDEN (IA4963)	37	80.9	95	2011	63	2003		57.0	72	2000	40	2009		0.20	4.04	2018
SAC-CITY (IA7312)	154	81.4	100	1953	57	1935		57.2	73	1973	40	1974, 2009		0.11	3.75	1926
SIGOURNEY (IA7678)	148	83.0	99	1913	62	2003		59.8	74	1975, 1973	40	1949		0.13	2.55	1931
STANLEY (IA7892)	19	78.9	89	2012	66	2019		54.5	66	2010	40	2009		0.22	1.85	2010
SWEA CITY 4 W (IA8026)	69	78.5	91	1960	62	1974, 1994		55.6	71	1960	40	1974, 2009		0.07	1.25	1971
Iowa - East Central Climate Division (IAC006)	131	81.6	99	1913	63	1935		59.3	75	1953	40	1949		0.15	1.65	1989
Iowa - Southwest Climate Division (IAC007)	131	83.5	101	1913	61	1935		60.6	75	1953, 1913	40	1949		0.13	1.22	1935
Iowa - Southeast Climate Division (IAC009)	131	83.1	101	1913	63	1935		60.8	76	1953	40	1949		0.17	2.91	1989
Iowa Drought Region 4 - Southwest (IAD004)	131	83.1	100	1913	61	1935		60.3	75	1953, 1913	40	1949		0.12	1.28	1926
Spencer Airport (IAKSPW)	29	82.4	92	2022	69	2000		56.7	70	2011	40	2009		0.02	0.52	1997
Iowa Average (IA0000)	131	81.8	99	1913	62	1935		59.1	75	1953	39	1949		0.12	1.15	2010
ALGONA (IA0133)	163	79.7	97	1911, 1913	62	1935, 1951		57.5	73	1899, 1898	39	1974		0.08	1.86	2014
Allerton (IA0149)	122	83.0	101	1913	62	2003, 1935		59.7	71	1937, 1984, 1913	39	1949		0.14	2.21	2010
CEDAR-RAPIDS-1 (IA1319)	142	82.1	98	1922, 1912	58	1935		58.7	74	2000	39	1949		0.12	2.70	1923
CENTERVILLE (IA1354)	131	83.4	103	1913	63	1935, 2003		60.6	75	2000	39	1949		0.16	3.56	1914
COLUMBUS JUNCT 2 SSW (IA1731)	123	82.7	101	1953	62	1935		59.5	74	1913	39	1967, 1955		0.14	2.92	1931
CORNING (IA1833)	131	82.5	101	1913	62	2003		59.0	77	1913	39	1949		0.19	5.00	1914
DENISON (IA2171)	149	80.8	97	1911	58	1974		58.6	76	1984	39	1967, 1949		0.11	3.36	1926
Emmetsburg (IA2689)	131	80.6	97	1913	60	1974		56.9	70	1990, 1898, 1937	39	1949		0.06	1.81	2014
FAIRFIELD (IA2789)	169	83.3	103	1953	64	1974		60.0	80	1913	39	1949		0.15	3.29	1931
JEFFERSON (IA4228)	135	82.0	101	1911	62	1935		58.3	78	1913	39	1949		0.10	1.76	1926
MAQUOKETA-2-W (IA5131)	167	81.1	97	1913, 1922	63	1935, 2003		56.7	72	1973, 2000	39	1949, 1901		0.12	2.67	1989
NEWTON (IA5992)	155	82.4	100	1913	61	1935		59.4	73	1957, 1953	39	1949		0.14	3.25	2010
OSAGE (IA6305)	158	79.2	97	1913	61	1974		56.7	70	1942, 1937, 1898	39	1949		0.15	2.88	1897
WILLIAMSBURG (IA9067)	145	81.9	100	1913	62	1935		57.9	71	1957, 1973, 1898, 2000	39	1967		0.14	2.09	2010
Iowa - West Central Climate Division (IAC004)	131	82.2	99	1913	61	1935		59.2	75	1953	39	1949		0.11	1.72	1926
Iowa - South Central Climate Division (IAC008)	131	83.2	100	1913	62	1935		60.7	76	1953	39	1949		0.15	1.79	2018
Iowa Drought Region 3 - Northeast (IAD003)	131	80.5	99	1913	63	1935		58.3	74	1953	39	1949		0.14	1.61	2010
Iowa Drought Region 5 - Southeast (IAD005)	131	82.9	100	1913	62	1935		60.4	76	1953	39	1949		0.15	2.05	1931
Cedar Rapids Area (IATCID)	131	81.4	98	1912, 1922, 1953	58	1935		58.5	73	1898	39	1949		0.10	2.70	1923
AUDUBON (IA0385)	131	81.4	96	1953, 1911	61	1974		57.8	74	1913	38	1949, 1955		0.11	2.00	1926
BELLEVUE-L-AND-D-12 (IA0608)	87	80.4	98	1953, 1984	64	1974		57.6	74	1973, 2000	38	1949		0.08	3.20	1989
CHARLES-CITY (IA1402)	148	79.5	97	1953	61	1924		56.8	71	1960, 1937, 1953	38	1949		0.12	2.91	1923
Des Moines Airport (IA2203)	146	82.0	99	1913	59	1935		61.1	76	1913	38	1949		0.09	1.77	1935
GREENFIELD (IA3438)	134	82.4	100	1913	61	1935, 1974		59.5	75	1913	38	1949		0.12	1.75	2018
GUTTENBERG-L-AND-D-10 (IA3517)	87	80.5	96	1984	67	1974		59.2	73	2000, 1953	38	1949		0.12	1.93	1972
Lamoni (IA4585)	127	82.9	102	1913	60	1935		60.4	75	1984	38	1949		0.13	3.12	2018
OSKALOOSA (IA6327)	148	82.8	100	1953	61	1935		59.0	74	1913	38	1949		0.16	2.99	1931
POCAHONTAS (IA6719)	120	81.3	97	1911	60	1935		56.4	72	1942	38	1949		0.09	2.06	2014
Postville (IA6766)	133	78.4	95	1913	62	1951		56.9	73	1953	38	1909		0.16	3.12	1897
PRIMGHAR (IA6800)	129	81.7	98	1913	62	1935, 1974		57.7	71	1942, 1960	38	1949		0.07	1.90	1933
SHENANDOAH-1-NE (IA7613)	106	84.7	102	1922	63	1974		60.7	76	1984	38	1949		0.13	2.68	1979
SIOUX CENTER 2 SE (IA7700)	125	81.6	97	1913	60	1974		56.8	70	1942, 1960, 1937	38	1974		0.07	2.00	1933
SIOUX-CITY-WSO-AP (IA7708)	135	82.1	98	1970, 1913	57	1935		59.4	77	1953, 1913	38	1949		0.09	3.12	1933
WASHINGTON (IA8688)	163	83.1	100	1984, 1953	61	1935		59.5	74	2000	38	1949		0.15	2.94	2010
Iowa - Northwest Climate Division (IAC001)	131	81.0	98	1913	63	1935		57.6	75	1953	38	1949		0.08	1.47	1933
Iowa - Northeast Climate Division (IAC003)	131	79.8	98	1913	63	1935, 1958		57.6	74	1953	38	1949		0.13	1.91	2010
Iowa - Central Climate Division (IAC005)	131	81.7	99	1913	62	1935		58.9	76	1953	38	1949		0.12	1.67	2010
Iowa Drought Region 1 - Northwest (IAD001)	131	81.7	99	1913	62	1935		58.1	75	1953	38	1949		0.09	1.94	1933
Iowa Drought Region 2 - Northcentral (IAD002)	131	80.9	98	1913	62	1935		58.2	75	1953	38	1949		0.10	1.21	2014
Des Moines Area (IATDSM)	146	82.0	99	1913	59	1935		61.1	76	1913	38	1949		0.09	1.77	1935
Sioux City Area (IATSUX)	135	82.1	98	1913, 1970	57	1935		59.4	77	1953, 1913	38	1949		0.09	3.12	1933
AMES-8-WSW (IA0200)	131	81.9	101	1913	61	1935		58.2	72	1984	37	1949		0.10	2.96	2010
BELLE-PLAINE (IA0600)	135	81.4	100	1913	62	1974, 1909		57.5	71	1937	37	1949		0.14	3.26	2018
Estherville 4E (IA2724)	135	80.3	97	1922, 1953	62	1909		55.1	72	1953	37	1974, 1949		0.07	1.50	1931
FORT-DODGE (IA2999)	173	81.2	99	1911	61	1935		56.9	72	1942	37	1949		0.10	2.20	1923, 1931
HAMPTON-2-NW (IA3584)	147	80.5	99	1913	60	1935		56.3	71	1942	37	1967, 1949		0.07	1.15	2014
LEMARS (IA4735)	148	82.4	98	1894	62	1935, 1974		57.8	76	1913	37	1949		0.07	2.46	1933
Milford (IA5493)	104	79.6	93	1925	60	1974, 1951		56.4	71	1937	37	1949		0.05	1.22	1961
MOUNT-AYR (IA5769)	132	82.9	101	1913	61	1935		59.5	75	1913	37	1949		0.17	4.00	2018
PERRY (IA6566)	123	81.9	99	2000	62	1935		57.6	71	1942	37	1967, 1949		0.13	1.65	2014
SANBORN (IA7386)	142	80.0	98	1913	60	1935		56.3	70	1973, 1942, 1953	37	1949		0.07	2.05	1933
STORM-LAKE-2-E (IA7979)	147	80.3	96	1911	59	1935		57.8	73	1942	37	1949		0.06	1.37	1926
TOLEDO (IA8296)	130	81.7	99	1922, 1913	59	1935		57.1	72	1907, 1953	37	1967		0.15	3.07	2018
Iowa - North Central Climate Division (IAC002)	131	79.9	98	1913	63	1935		57.3	74	1953	37	1949		0.11	1.18	1923
Ames Area (IATAME)	131	81.9	101	1913	61	1935		57.8	73	2016	37	1949		0.12	3.35	2010
Ida Grove Area (IATIDA)	121	82.3	99	1913	61	1935		57.7	78	1953	37	1955		0.10	2.81	1906
Oelwein Area (IATOEL)	101	79.4	96	1984, 1937	64	1974		56.7	72	1929	37	1955		0.15	2.55	1923
CASCADE (IA1257)	83	79.5	98	1953	65	1974, 1994		55.6	71	1973	36	1949		0.10	2.00	1989
CHEROKEE (IA1442)	102	81.1	95	1922	62	1951, 1935		56.4	72	1973	36	1967, 1949, 1955		0.12	4.97	1926
Creston (IA1962)	119	81.9	101	1913	58	1935		59.2	74	1984	36	1949		0.15	2.90	1914
IOWA CITY MUNICIPAL AP (IA4106)	80	80.6	98	2011, 1953	64	1974		59.5	74	1953	36	1949		0.09	1.21	2018
MANCHESTER-2 (IA5086)	103	79.7	96	1953, 1922, 2000	63	1935		56.2	71	1973, 2000	36	1967		0.15	2.84	1989
MAPLETON NO. 2 (IA5123)	86	81.3	94	1970, 1953	64	1951, 2019, 1974		58.1	74	1953	36	1949		0.07	1.54	2013
MARSHALLTOWN (IA5198)	148	81.9	101	1913	62	1935		57.2	73	1953	36	1949		0.13	3.46	1926
WATERLOO (IA8706)	131	81.3	100	1913	61	1935		57.0	72	1973, 1898	36	1967, 1949		0.12	3.23	2018
Waterloo Area (IATALO)	129	81.2	100	1913	61	1935		57.0	72	1973, 1898	36	1967, 1949		0.13	3.23	2018
ALLISON (IA0157)	110	80.6	95	1953	62	1935		57.0	74	1990	35	1949		0.10	1.60	1936
CLARINDA (IA1533)	159	83.7	108	1913	58	1910		59.2	78	1898	35	1949		0.16	2.55	1979
GRUNDY-CENTER (IA3487)	131	80.4	99	1913	63	1935		56.3	70	1937, 1913	35	1949		0.16	3.16	1931
IOWA-FALLS (IA4142)	160	80.7	96	1984, 1953	60	1935		56.0	75	1960	35	1895		0.11	1.60	1931
MASON CITY MUNICIPAL AP (IA5235)	82	79.0	96	1984, 2011	59	1974		54.8	72	1960, 1953	35	1949		0.07	1.75	1959
NORTHWOOD (IA6103)	128	78.6	95	2011, 1913	61	1974		55.8	71	1960	35	1949		0.10	2.40	1897
WINTERSET (IA9132)	131	82.8	99	1931	63	1935		59.1	77	1984	35	1967		0.12	1.70	2018
ATLANTIC-1-NE (IA0364)	148	82.9	99	1913	59	1935		58.0	78	1913	34	1967		0.12	2.24	1979
CARROLL-2-SSW (IA1233)	135	82.0	97	1897	57	1935		57.2	75	1942	34	1967		0.13	4.20	1926
Elkader 6SSW (Osborn) (IA2603)	136	81.4	99	1984, 1913	61	1951		54.9	72	1973	34	1949		0.16	2.20	1897
RED-OAK (IA6940)	152	83.9	101	1913	61	1935		59.7	75	1913	34	1949		0.15	2.50	1926
SIOUX-RAPIDS (IA7726)	83	80.5	94	1953	60	1974		56.4	72	1984, 1942	34	1949		0.04	0.62	1959
VINTON (IA8568)	155	81.8	99	1913	62	1935		57.7	71	1957, 1898, 2011	34	1949		0.13	1.74	1897
WEBSTER-CITY (IA8806)	154	81.2	99	1913	63	1974		56.2	72	1942	34	1949		0.09	1.80	1906
CHARITON (IA1394)	129	83.1	101	1913	61	1935		58.2	71	1922	33	1949		0.17	2.72	1931
DECORAH-2-N (IA2110)	131	80.5	100	1913	61	1974		55.7	73	1973, 1898	33	1949		0.12	2.24	1897
GRINNELL-3-SW (IA3473)	136	81.7	100	1913	61	1935		57.4	73	1898	33	1949		0.15	3.00	2018
MASON-CITY (IA5230)	137	79.6	98	1984	62	1935, 1952		55.6	72	1942	33	1949		0.11	1.75	1923
OAKLAND-2-E (IA6151)	105	82.5	100	1922	62	1935, 1974		58.9	79	1937	33	1949		0.10	2.87	1924
ROCK-RAPIDS (IA7147)	131	81.2	99	1913	62	1951		56.2	75	1913	33	1893		0.09	6.41	1933
Spencer (IA7844)	129	81.1	99	1911	60	1974		56.2	71	1942, 1953, 1960	33	1949		0.07	1.12	1957
Spencer Area (IATSPW)	129	81.3	99	1911	60	1974		56.2	71	1953, 1960	33	1949		0.07	1.12	1957
FAYETTE (IA2864)	136	80.0	100	1913	62	1935		55.6	80	1900	32	1949		0.16	2.24	1931
SIBLEY-5-NNE (IA7664)	145	80.3	94	1925, 1898, 1922	59	1974		55.3	76	1900	32	1949		0.06	1.87	1933
FOREST-CITY (IA2977)	130	79.5	98	1922	60	1974		56.2	70	1942, 1960	31	1949		0.07	1.45	1923
NEW-HAMPTON (IA5952)	127	79.3	99	1913	63	1935, 1974		56.2	70	1898	28	1949		0.17	2.46	1969