NWS COOP Climatology for 21 May

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=5&day=21&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:
Iowa Average (IA0000)	131	73.2	91	1934	51	2015		50.9	65	1987, 1974, 1921	33	1931		0.16	1.01	1945
ALGONA (IA0133)	162	72.9	91	1970, 1964	51	1915		50.1	67	1902	29	1931		0.23	3.49	1959
Allerton (IA0149)	121	74.2	92	1925	49	2015		52.5	69	2004	35	2002, 1931		0.16	1.58	1918
ALLISON (IA0157)	110	73.6	91	1972, 1964, 1970	48	2015		50.2	67	1934, 1970	31	1931		0.14	1.29	1999
AMES MUNICIPAL AP (IA0197)	27	71.3	88	2004	55	2017		49.9	66	2021	35	1997		0.14	1.87	1999
AMES-8-WSW (IA0200)	131	73.8	90	1925, 1964	55	1990, 1899		50.9	66	2021	33	1931		0.19	1.64	2014
AMES 5 SE (IA0203)	124	73.6	92	1934	49	2015		52.1	72	1970	32	1931		0.18	1.90	2011
ANAMOSA 3 SSW (IA0214)	12	67.9	83	2014	47	2015		48.9	62	2021	38	2015		0.16	0.99	2014
ATLANTIC-1-NE (IA0364)	147	74.6	96	1925	50	2015		49.9	69	1970	27	1895		0.18	2.53	1944
AUDUBON (IA0385)	131	73.7	95	1925	48	2015		49.8	69	1970	32	1895		0.21	3.64	1908
BATTLE CREEK 3NE (IA0512)	14	66.4	86	2014	49	2015		47.7	63	2021	36	2015		0.08	0.41	2018
BEACONSFIELD (IA0536)	73	71.9	87	1962	47	2015		52.2	69	1974, 2004	36	2002		0.18	2.80	1982
BELLE-PLAINE (IA0600)	134	73.9	96	1934	49	2015		50.8	69	1974	28	1931		0.15	1.97	1995
BELLEVUE-L-AND-D-12 (IA0608)	87	72.7	88	1970, 1964	48	2015		49.6	68	2021	31	2002		0.11	2.00	2001
Boone (IA0807)	119	74.2	93	1925	48	2015		50.4	67	1974, 1921	26	1931		0.21	3.20	1945
BURLINGTON (IA1060)	59	73.8	90	1987, 1988	50	2015		53.4	68	1991, 1974	36	2015		0.12	1.09	2019
Burlington Airport (IA1063)	126	75.9	92	1934	55	1919		54.4	70	2004	34	2002		0.09	0.99	1899
CARROLL-2-SSW (IA1233)	134	74.3	94	1925	48	2015		49.7	69	1970	30	1931		0.18	2.61	1908
CASCADE (IA1257)	82	72.9	90	1972	47	2015		48.7	68	1974	30	2002		0.11	2.29	2001
Cedar Rapids Airport (IA1314)	70	73.0	91	1964	52	2017		50.7	68	1970	34	2002		0.10	1.20	2001
CEDAR-RAPIDS-1 (IA1319)	142	74.9	95	1921	55	1963		51.3	68	1974, 1970, 1934	32	1931, 1929		0.14	2.18	2004
CENTERVILLE (IA1354)	131	74.7	90	1964, 1925	49	2015		53.0	70	2004	33	1931		0.14	1.25	1918
CHARITON (IA1394)	129	73.8	92	1934	48	2015		50.4	68	1987, 1934	32	1931		0.19	3.06	1959
CHARLES-CITY (IA1402)	148	72.0	91	1970	50	1931		49.3	68	1970	31	1895		0.13	1.58	1945
CHEROKEE (IA1442)	102	73.7	91	1975	51	2017		48.7	67	1970	27	1931		0.19	3.73	1960
CLARINDA (IA1533)	159	75.0	94	1925	52	1899, 2015		51.7	69	2004, 1970	34	1931		0.22	1.75	1982
CLINTON-1 (IA1635)	166	75.1	93	1934	52	1894		52.0	66	2011, 1987, 1934	33	1931, 2002		0.09	1.35	2001
COLUMBUS JUNCT 2 SSW (IA1731)	123	75.3	91	1988, 1934, 1964	49	2015		52.9	67	1974	33	1931		0.10	1.20	1975
CORNING (IA1833)	131	74.0	94	1925	49	2015		50.7	70	2004, 1934	34	1931		0.22	2.52	1908
Creston (IA1962)	119	73.8	91	1925, 1934	50	2019		51.8	70	2004	32	1931		0.15	1.18	1969
DAVENPORT WFO (IA2070)	12	71.6	83	2012, 2014	54	2019		51.2	64	2021	40	2015		0.18	1.04	2014
DECORAH-2-N (IA2110)	131	73.4	93	1948	50	1931		48.9	72	2016	29	1946		0.15	3.35	1902
DENISON (IA2171)	149	73.0	91	1925	46	2015		50.2	69	1925	29	1895		0.20	2.94	1945
Des Moines Airport (IA2203)	145	73.7	94	1886	53	1882		53.1	69	2004, 1970	35	1883, 1931		0.13	1.78	1969
DES MOINES WSFO-JOHNSTON (IA2209)	30	71.8	85	2004	57	2017, 2019		51.5	67	2021	38	2015		0.11	1.13	2019
Donnellson (IA2299)	86	75.3	89	1941	51	2015		52.5	66	2014, 1974	34	2002		0.14	1.29	2019
DUBUQUE-LOCK-AND-DAM (IA2364)	150	73.2	91	1934	48	1882		52.6	68	1921, 1970	32	1883		0.11	1.95	2001
Dubuque Airport (IA2367)	73	71.0	89	1970, 1972	52	1963, 1969		49.6	64	1991, 1974	33	2002		0.10	2.05	1974
Elkader 6SSW (Osborn) (IA2603)	136	73.8	92	1970	47	2015		47.6	68	1970	27	2002		0.12	2.00	1902
Emmetsburg (IA2689)	131	73.5	92	1970	52	1915, 1963		49.7	66	1921, 1970	30	1931		0.19	3.20	1959
Estherville 4E (IA2724)	134	72.0	93	1975	49	1915		48.4	65	1921, 1975	30	1924		0.17	3.00	1960
ESTHERVILLE MUNICIPAL AP (IA2725)	27	68.3	85	2007	50	2019		48.4	62	2021, 2007	34	2003		0.18	2.26	2004
FAIRFIELD (IA2789)	169	75.2	92	1934	48	2015		52.2	69	1902, 1974, 2004	33	1931		0.13	1.85	1950
FAYETTE (IA2864)	135	72.3	92	1934	46	2015		48.3	68	1974, 1934	30	2002		0.13	1.80	1908
FOREST-CITY (IA2977)	130	71.9	91	1972	50	1915		49.2	66	1921	32	1931		0.22	6.12	1959
FORT-DODGE (IA2999)	172	73.6	92	1975	50	2015		49.5	67	1921, 1970	30	1931		0.22	3.16	1908
Fort Madison (IA3007)	136	75.3	92	1934	55	1894		54.6	72	2004	37	2002, 1931, 2015		0.13	2.83	1899
GREENFIELD (IA3438)	133	74.3	92	1925	48	2015		51.4	68	1974	33	1931, 1895		0.20	2.38	1999
GRINNELL-3-SW (IA3473)	136	73.1	93	1934	48	2015		50.5	68	1934	30	1931		0.12	1.28	1959
GRUNDY-CENTER (IA3487)	131	73.2	90	1964, 1934, 1975	52	1990		50.1	65	1921	30	1931		0.12	1.47	1950
GUTHRIE-CENTER (IA3509)	131	74.3	91	1934, 1925	49	2015		50.5	69	1974	30	1895		0.20	2.45	1999
GUTTENBERG-L-AND-D-10 (IA3517)	87	73.4	89	1970, 1972	56	2019		51.6	68	1970	36	2002		0.09	2.34	2001
HAMPTON-2-NW (IA3584)	147	72.8	92	1970	50	2015		49.5	69	1970	31	1931		0.17	2.20	1911
HOLSTEIN 5 NNW (IA3910)	9	62.6	73	2021	51	2015		45.8	62	2021	38	2019		0.14	0.56	2018
Iowa City (IA4101)	168	75.7	94	1934	50	2015		52.4	70	1991	33	1931		0.11	1.15	2001
IOWA CITY MUNICIPAL AP (IA4106)	79	73.5	88	1972, 1964, 1970	54	1963		52.0	68	1974	31	2002		0.12	1.50	1949
IOWA-FALLS (IA4142)	160	73.0	91	1970	49	2015		49.2	67	1921	29	1931, 1895		0.13	1.97	2001
JEFFERSON (IA4228)	134	74.4	90	1925	49	2015		50.8	75	1893	30	1895		0.19	2.72	1945
KEOKUK LOCK DAM 19 (IA4381)	170	75.6	92	1956	53	2015		55.5	70	1902, 1921	38	2002		0.13	1.81	1899
KEOSAUQUA (IA4389)	148	76.0	92	1934	49	2015		52.4	78	1902	34	1931, 2002, 1929, 1967		0.13	1.17	1949
Lamoni (IA4585)	126	74.4	95	1925	49	2015		53.0	69	2004	34	1931		0.20	2.60	2018
LAMONI (IA4587)	26	71.6	85	2004	59	2019		51.8	69	2004	38	2002		0.16	1.44	2019
Le Claire L&D 14 (IA4705)	86	74.1	88	1987	48	2015		54.0	69	2021	38	1986		0.10	1.70	1987
LEMARS (IA4735)	147	74.1	98	1973	49	2019		49.5	67	1921	28	1931		0.15	2.15	1945
LITTLE SIOUX 2NW (IA4874)	37	71.8	90	2009	50	2015		50.2	64	1992	35	2019		0.12	0.93	2001
LOGAN (IA4894)	158	74.9	93	1973, 1925	50	2015		50.8	70	1921	30	1895		0.20	2.90	1962
LOWDEN (IA4963)	37	73.5	88	1988	54	2019, 2002		50.6	66	2021	30	2002		0.05	0.58	1987
MANCHESTER-2 (IA5086)	102	73.1	92	1934	46	2015		49.0	66	1970, 1934	31	2002		0.09	1.45	2001
MAPLETON NO. 2 (IA5123)	86	74.0	92	1973	49	2015		50.1	70	1970	33	1968		0.20	1.75	1945
MAQUOKETA-2-W (IA5131)	167	74.0	93	1934	46	2015		49.7	70	1974	31	1929		0.12	1.59	2001
MARSHALLTOWN (IA5198)	148	74.4	93	1934	48	2015		50.5	79	1970	30	1931		0.16	2.30	1911
MARSHALLTOWN MUNICIPAL AP (IA5199)	27	70.9	85	2004	52	2017		49.3	66	2021	32	2002		0.09	0.97	2019
MASON-CITY (IA5230)	137	71.8	93	1970	51	1915, 1931		48.6	68	1970	30	1895		0.21	3.10	1908
MASON CITY MUNICIPAL AP (IA5235)	81	71.6	93	1970	48	1963		48.8	69	1970	33	1997		0.19	4.59	2004
Milford (IA5493)	104	73.0	91	1964	50	2019, 2017		48.9	65	1921	21	2003		0.17	1.61	1959
MOUNT-AYR (IA5769)	131	73.7	93	1925	50	2015		52.3	70	1987	33	1931		0.20	2.59	1918
MOUNT-PLEASANT (IA5796)	160	75.9	91	1934, 1964	49	2015		52.7	72	2004	33	2015, 2002, 1967		0.15	2.60	1944
MUSCATINE (IA5837)	185	75.3	93	1934	51	2015		52.7	69	2004	35	1931		0.12	1.46	1987
MUSCATINE 2N (IA5844)	26	71.4	86	2014	49	2015		52.8	68	2004	37	2002		0.11	0.95	2001
NEW-HAMPTON (IA5952)	127	71.8	91	1934	47	2015		49.4	67	1970	30	1931		0.16	2.35	1999
NEWTON (IA5992)	154	74.4	92	1934	48	2015		52.0	68	1974, 1970	32	1931		0.14	1.46	1959
NORTHWOOD (IA6103)	128	71.3	91	1970	50	1931		48.7	66	1970	30	2008		0.20	2.44	1945
OAKLAND-2-E (IA6151)	105	75.0	98	1925	50	2015		51.2	68	1927, 1970	31	1931, 1968		0.18	1.99	1945
OELWEIN 1E (IA6199)	18	71.7	86	2014	55	2015		50.4	65	2021	37	2015		0.06	0.36	2015
OSAGE (IA6305)	158	72.1	90	1970	49	1931		49.8	69	1970	33	1931, 1895, 1946		0.19	4.40	1908
OSCEOLA-3-WSW (IA6316)	142	74.3	92	1925	49	2015		51.7	70	1902	34	1931		0.19	3.00	1959
OSKALOOSA (IA6327)	148	74.5	94	1934	50	2015		52.1	69	1974	32	1931		0.13	1.49	1944
Ottumwa (IA6389)	128	75.3	92	1934	55	1919		53.2	68	1974, 2004	33	1931		0.14	1.71	1949
PERRY (IA6566)	123	74.4	92	1934, 1925	49	2015		51.3	69	1970	29	1931		0.17	2.84	1908
POCAHONTAS (IA6719)	120	73.5	96	1975	52	1915		49.1	69	1930	27	1931		0.14	1.91	1945
Postville (IA6766)	133	71.3	89	1970	46	2002, 1931		49.9	67	1921, 1970	31	1929		0.11	2.12	1910
PRIMGHAR (IA6800)	129	74.3	93	1964	47	2017		49.9	67	1970	28	1931		0.15	1.90	1945
RATHBUN DAM (IA6910)	54	72.5	88	1987	48	2015		52.7	71	2004	37	2002		0.09	0.90	2010
RED-OAK (IA6940)	152	75.8	92	1925, 1973	52	2015		52.0	71	2004	33	1931, 1895		0.26	2.91	1999
ROCK-RAPIDS (IA7147)	131	73.4	93	2009	47	2017		48.0	65	1921	24	1895		0.18	2.53	2001
SAC-CITY (IA7312)	154	73.6	93	1956	49	2015		49.7	69	1914, 1970	30	1931		0.17	2.65	1945
SANBORN (IA7386)	142	72.7	92	1973, 1934	46	2017		48.3	65	1921	25	1931		0.18	1.96	2001
SHENANDOAH-1-NE (IA7613)	105	75.9	93	1964	51	2015		53.2	72	2004	34	1931		0.21	3.40	1999
SIBLEY-5-NNE (IA7664)	145	72.6	93	1973	45	2017		47.0	66	1921	26	1895		0.17	1.52	1916
SIGOURNEY (IA7678)	148	74.5	93	1934	48	2015		52.1	67	2004	31	1931		0.16	1.88	1949
SIOUX CENTER 2 SE (IA7700)	125	74.5	98	1934	51	1915		49.4	76	1925	25	1931		0.19	2.90	1916
SIOUX CITY ANG (IA7702)	27	70.6	91	2009	50	2015, 2017		49.4	63	2021, 2007	37	2019		0.10	0.65	2011
SIOUX-CITY-WSO-AP (IA7708)	134	73.9	94	1973	52	1899, 2019, 1945		50.9	70	1927	31	1895		0.14	1.75	1945
SIOUX-RAPIDS (IA7726)	82	73.4	92	1970	51	2019		48.9	66	1970	33	1968		0.18	1.82	1960
Spencer (IA7844)	129	72.9	92	1934, 1975	49	1915		48.5	67	1936, 1921	26	1895		0.19	2.98	2004
SPIRIT LAKE (IA7859)	145	71.8	90	1964, 1934	50	1899		49.8	66	1921	30	1931		0.17	1.85	1960
STANLEY (IA7892)	19	69.9	85	2009, 2014	46	2015		48.4	66	2021	36	2008		0.12	1.04	2018
STORM-LAKE-2-E (IA7979)	147	72.2	90	1975	50	1899, 2015		49.3	68	1921	26	1931		0.15	1.87	1949
SWEA CITY 4 W (IA8026)	69	73.6	93	1970	52	2015, 2017		48.9	68	1974	30	1979		0.21	2.94	2004
TOLEDO (IA8296)	130	73.6	95	1934	47	2015		50.2	70	1934	30	1931		0.14	1.43	1937
VINTON (IA8568)	155	74.1	93	1934	47	2015		50.5	67	1974, 1934	32	2002		0.16	1.99	2014
WASHINGTON (IA8688)	162	75.5	95	1934	49	2015		52.6	69	1974	33	2002		0.13	3.19	1982
WATERLOO (IA8706)	131	73.5	93	1934	50	1969		50.1	70	1934	33	1931		0.14	1.49	2004
WEBSTER-CITY (IA8806)	154	74.1	94	1934	54	1915, 2015		49.8	69	1970	29	1931		0.19	3.05	2001
WILLIAMSBURG (IA9067)	145	74.3	98	1934	48	2015		51.2	68	1974	31	2003, 1895		0.14	2.10	1944
WINTERSET (IA9132)	131	74.6	94	1934, 1925	49	2015		51.3	69	1934	32	1931, 1895		0.18	1.74	1969
Iowa - Northwest Climate Division (IAC001)	131	72.4	90	1925, 1934	52	2017, 1899, 1915		49.2	66	1921	29	1931		0.16	1.64	1960
Iowa - North Central Climate Division (IAC002)	131	71.9	89	1934	52	1915, 1931		49.6	66	1921	33	1931, 1895		0.18	1.57	1908
Iowa - Northeast Climate Division (IAC003)	131	71.9	90	1934	51	2015		49.7	65	1934	34	2002		0.14	1.07	1908
Iowa - West Central Climate Division (IAC004)	131	73.4	91	1925	51	2015		50.6	66	1974, 1970, 1921	30	1931		0.18	2.06	1945
Iowa - Central Climate Division (IAC005)	131	73.3	92	1934	50	2015		51.0	66	1987	32	1931		0.16	0.98	2001, 1982
Iowa - East Central Climate Division (IAC006)	131	73.5	93	1934	49	2015		51.3	67	1987	34	2002, 1931		0.11	1.03	2001
Iowa - Southwest Climate Division (IAC007)	131	74.2	92	1925	52	2015		52.0	67	1927, 1974	33	1931, 1895		0.20	1.75	1982
Iowa - South Central Climate Division (IAC008)	131	74.1	91	1934, 1925	50	2015		52.4	68	2004	34	1931		0.17	1.44	1982
Iowa - Southeast Climate Division (IAC009)	131	74.6	92	1934	50	2015		52.8	68	2004, 1987	35	1931		0.13	1.15	1982
Iowa Drought Region 1 - Northwest (IAD001)	131	72.8	91	1925	51	2017		49.5	66	1921	28	1931		0.16	1.80	1945
Iowa Drought Region 2 - Northcentral (IAD002)	131	72.6	90	1934	52	2015		50.2	66	1921	31	1931		0.17	1.52	1945
Iowa Drought Region 3 - Northeast (IAD003)	131	72.6	91	1934	50	2015		50.4	65	1987, 1934	34	2002, 1931		0.14	0.97	2001
Iowa Drought Region 4 - Southwest (IAD004)	131	74.0	92	1925	51	2015		51.7	67	1974	32	1931		0.20	1.77	1945
Iowa Drought Region 5 - Southeast (IAD005)	131	74.2	92	1934	50	2015		52.3	68	1987	34	1931		0.14	1.20	1982
Spencer Airport (IAKSPW)	29	70.8	86	2007	52	2019		48.6	65	2007	31	2008		0.14	2.55	2004
Waterloo Area (IATALO)	129	73.4	93	1934	50	1969		50.2	70	1934	33	1931		0.14	1.49	2004
Ames Area (IATAME)	131	73.5	90	1964, 1925	49	2015		50.7	66	2004	33	1931		0.19	1.90	2011
Cedar Rapids Area (IATCID)	131	74.0	95	1921	52	2017		51.4	68	1970, 1934	32	1931, 1929		0.10	1.20	2001
Dubuque Area (IATDBQ)	150	71.6	91	1934	48	1882		51.1	68	1921	32	1883		0.12	2.05	1974
Des Moines Area (IATDSM)	145	73.7	94	1886	53	1882		53.1	69	2004, 1970	35	1883, 1931		0.12	1.78	1969
Ida Grove Area (IATIDA)	121	73.8	92	1973	49	2015		49.8	67	1921	29	1931		0.17	1.88	1945
Oelwein Area (IATOEL)	101	73.3	94	1934	54	1963		49.4	65	2021, 1970	32	1931		0.10	1.41	1957
Spencer Area (IATSPW)	129	73.0	92	1975, 1934	49	1915		48.6	67	1936, 1921	26	1895		0.18	2.55	2004
Sioux City Area (IATSUX)	134	73.9	94	1973	52	2019, 1899, 1945		50.9	70	1927	31	1895		0.14	1.75	1945