NWS COOP Climatology for 20 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=20&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	94	1934	52	2017		50.4	68	1975	34	1907		0.12	0.87	1944
ALGONA (IA0133)	162	73.4	97	1934	46	2017		49.4	64	1985, 1921, 1934	28	1907		0.11	1.05	1960
Allerton (IA0149)	121	75.2	91	1934	54	1915		51.7	69	1975	35	1907, 1954		0.08	0.84	2013
ALLISON (IA0157)	110	74.0	95	1934	48	2017		49.8	70	1975	33	1967		0.09	1.40	1959
AMES MUNICIPAL AP (IA0197)	27	70.6	87	2014	50	2015		51.2	65	2021	35	1997		0.27	3.01	2014
AMES-8-WSW (IA0200)	131	74.7	93	1925, 1934	54	2015		50.4	70	1975	30	1907		0.13	3.68	1944
AMES 5 SE (IA0203)	124	74.4	94	1934	48	2017		51.4	72	1975	32	1907		0.13	3.22	1944
ANAMOSA 3 SSW (IA0214)	12	70.5	87	2012	50	2017		51.0	64	2012	39	2015		0.09	0.40	2017
ATLANTIC-1-NE (IA0364)	147	74.9	95	1925	52	1899, 1915		49.8	73	1975	26	1894		0.12	2.10	1913
AUDUBON (IA0385)	131	74.8	95	1934	51	1899		49.4	68	1975	30	1907		0.11	3.00	1944
BATTLE CREEK 3NE (IA0512)	14	69.1	90	2022	47	2017		48.1	63	2021	35	2019, 2023		0.33	1.38	2017
BEACONSFIELD (IA0536)	73	73.7	87	1962, 1998	55	2015		51.5	72	1975	37	2015		0.08	0.83	1998
BELLE-PLAINE (IA0600)	134	74.5	95	1934	49	2017		49.9	69	2012	23	1924		0.10	1.58	1913
BELLEVUE-L-AND-D-12 (IA0608)	87	73.4	93	1975	52	2017		49.3	68	1975	31	1954		0.09	1.18	1990
Boone (IA0807)	119	75.1	97	1934	45	1915		49.5	71	1975	31	1907		0.11	2.32	1933
BURLINGTON (IA1060)	59	74.1	94	1987	52	2017		54.3	72	2004	40	1981		0.10	0.84	1982
Burlington Airport (IA1063)	126	74.9	92	1987, 1934	48	1915		53.4	72	2004	35	1954		0.10	1.00	1943
CARROLL-2-SSW (IA1233)	134	75.0	96	1934	44	1915		49.0	69	1975	29	1954		0.09	1.36	1933
CASCADE (IA1257)	82	73.4	91	1975	51	2017		49.5	65	1959, 2012	30	1954		0.06	1.12	1944
Cedar Rapids Airport (IA1314)	70	72.8	93	1975	49	2015		51.5	69	2004	37	2015, 2002, 1993		0.12	1.26	1987
CEDAR-RAPIDS-1 (IA1319)	142	74.6	92	1934, 1921	47	1892		51.0	70	2012	29	1924		0.11	2.15	1977
CENTERVILLE (IA1354)	131	75.5	90	1902, 1911	50	1899		52.8	73	1902, 1911	35	1954		0.09	1.90	1911
CHARITON (IA1394)	129	74.9	91	1934, 1998	51	1899		50.1	71	1975	29	1954		0.09	1.77	1899
CHARLES-CITY (IA1402)	148	72.1	95	1934	46	1931		49.3	67	1975	29	1907		0.12	2.56	1959
CHEROKEE (IA1442)	102	73.9	95	1934, 1925	45	2017		48.2	69	1934	30	1958		0.10	1.17	2017
CLARINDA (IA1533)	159	75.7	97	1925	47	1915		51.1	70	1975	34	1931		0.15	2.85	1899
CLINTON-1 (IA1635)	166	75.0	92	1902, 1934	55	1931		51.6	71	2012	35	1900		0.12	2.48	1996
COLUMBUS JUNCT 2 SSW (IA1731)	123	75.5	91	1987, 1902, 1975, 1934	53	2017		51.9	67	1902, 1975	35	1954		0.11	1.56	1982
CORNING (IA1833)	131	74.6	93	1925	53	2015		50.0	69	1975	30	2014		0.11	1.78	1913
Creston (IA1962)	119	74.5	93	1925	44	1915		50.8	70	1975	34	1931		0.09	1.10	1978
DAVENPORT WFO (IA2070)	12	71.6	89	2012	50	2015		54.0	67	2021	41	2019		0.06	0.42	2017
DECORAH-2-N (IA2110)	131	73.0	95	1934	50	1915		48.5	67	1975	30	1954		0.10	1.59	1959
DENISON (IA2171)	149	73.9	97	1934	45	2017		49.7	69	1975	30	1907		0.10	1.35	2017
Des Moines Airport (IA2203)	145	73.4	94	1925	47	1892		52.9	73	1975	35	1892		0.11	2.01	1950
DES MOINES WSFO-JOHNSTON (IA2209)	30	70.2	83	2014, 2004	50	2015		52.7	67	2004	40	2002, 1997, 2023		0.17	1.13	2013
Donnellson (IA2299)	86	75.8	89	1975, 1941	57	2017		52.6	67	2012, 1975	34	1954		0.07	1.00	1984
DUBUQUE-LOCK-AND-DAM (IA2364)	150	72.4	93	1934	44	1892		51.8	68	1902, 1972, 1975	33	1924		0.12	2.31	1912
Dubuque Airport (IA2367)	73	71.4	88	1972	46	2015		50.2	68	2004	34	2002, 1963		0.15	2.00	1977
Elkader 6SSW (Osborn) (IA2603)	136	73.7	92	1934	52	2017, 1915		47.0	67	1984	28	1907		0.11	1.18	1974
Emmetsburg (IA2689)	131	73.4	96	1934	46	2017		48.9	64	1987, 1975, 1934	29	1907		0.09	1.25	1959
Estherville 4E (IA2724)	134	71.6	99	1934	41	2019		47.3	66	1934	28	1907		0.12	1.17	2017
ESTHERVILLE MUNICIPAL AP (IA2725)	27	69.0	91	2009	52	2017		47.9	64	2009	33	2002, 1997		0.27	2.95	2001
FAIRFIELD (IA2789)	169	75.6	92	1987	51	2017		52.3	71	2012	34	1954, 1894		0.08	1.10	1996
FAYETTE (IA2864)	135	72.3	97	1934	49	1915, 2017		47.4	67	1921	26	1907		0.16	2.30	1902
FOREST-CITY (IA2977)	130	72.3	96	1934	47	1915		48.1	68	1975	30	1907		0.11	1.65	1913
FORT-DODGE (IA2999)	172	74.2	96	1934	46	2017		49.3	65	1987, 1998, 1921, 1975	31	1907		0.11	2.37	1933
Fort Madison (IA3007)	136	74.7	91	1902	51	2015		54.0	72	2004	35	1954		0.11	1.85	1899
GREENFIELD (IA3438)	133	74.9	93	1925, 1934	52	1915		51.1	74	1975	31	1907		0.11	1.68	2013
GRINNELL-3-SW (IA3473)	136	73.7	95	1934	49	2017		49.6	67	1975	28	2002		0.12	2.40	1933
GRUNDY-CENTER (IA3487)	131	73.5	97	1934	49	2017		48.9	68	1975	28	1907		0.11	1.55	2013
GUTHRIE-CENTER (IA3509)	131	74.9	96	1934	49	2017		49.7	71	1975	26	1894		0.13	4.82	1944
GUTTENBERG-L-AND-D-10 (IA3517)	87	73.1	89	1962, 1975, 1972, 1948	52	2015, 1990		51.9	69	2004, 1975	38	1997		0.12	1.93	1974
HAMPTON-2-NW (IA3584)	147	73.4	96	1934	47	2017		48.5	68	1975	28	1954		0.12	2.03	1959
HOLSTEIN 5 NNW (IA3910)	9	63.3	92	2022	48	2017		45.4	60	2021	37	2019, 2015		0.20	1.00	2017
Iowa City (IA4101)	168	75.4	95	1902	48	1915		51.6	75	2004	33	1924		0.10	1.71	1996
IOWA CITY MUNICIPAL AP (IA4106)	79	73.3	89	1975	51	2015		52.8	70	2004	36	2002		0.09	1.46	1996
IOWA-FALLS (IA4142)	160	73.7	97	1934	48	2017		48.6	73	1975	30	1907		0.12	2.00	1959
JEFFERSON (IA4228)	134	75.1	94	1934	49	2017		50.0	72	1975	26	1907		0.09	3.03	1933
KEOKUK LOCK DAM 19 (IA4381)	170	75.6	92	1902	52	1899		54.4	70	1902	34	1954		0.11	2.40	1984
KEOSAUQUA (IA4389)	148	76.3	93	1902	54	2017		51.7	71	2004, 2012	33	1954		0.09	1.91	1899
Lamoni (IA4585)	126	75.0	91	1925	52	1899		52.3	69	1975	33	1931		0.09	2.42	1899
LAMONI (IA4587)	26	70.1	83	2004, 2014	53	2019, 2015		53.1	69	2004	36	2002		0.20	1.15	2018
Le Claire L&D 14 (IA4705)	86	74.0	89	1987	51	2017		53.8	67	1975, 1977	39	1954		0.11	1.77	1944
LEMARS (IA4735)	147	74.0	98	1934	47	2017		48.8	71	1975	28	1907		0.12	1.24	2012
LITTLE SIOUX 2NW (IA4874)	37	75.7	94	2022	54	2017		50.4	62	2021	35	2019, 2015		0.21	1.60	2012
LOGAN (IA4894)	158	75.9	97	1934	51	1915		50.9	71	1975	34	1931, 1993, 1894		0.12	1.68	1960
LOWDEN (IA4963)	37	73.4	87	2014	49	2015		51.3	66	2021, 1987	38	2000		0.14	2.00	1996
MANCHESTER-2 (IA5086)	102	72.8	93	1934	51	2017		49.0	65	1975	32	2002		0.09	1.20	1933
MAPLETON NO. 2 (IA5123)	86	74.6	92	1948	48	2017		49.7	71	1975	32	1993		0.15	1.81	2017
MAQUOKETA-2-W (IA5131)	167	73.6	93	1934	50	2017		49.3	70	1975	32	1981		0.11	2.80	2018
MARSHALLTOWN (IA5198)	148	73.9	94	1934	49	2017		50.0	72	1970	30	1907		0.14	3.35	1944
MARSHALLTOWN MUNICIPAL AP (IA5199)	27	70.4	87	2014	49	2015		50.7	66	2004	33	1997		0.16	1.11	2013
MASON-CITY (IA5230)	137	72.3	96	1934	48	2017		47.9	70	1975	28	1907		0.10	1.81	2013
MASON CITY MUNICIPAL AP (IA5235)	81	72.1	93	1975, 1948	52	1990		47.7	71	1975	31	2002		0.11	2.36	1959
Milford (IA5493)	104	72.4	97	1934	48	1931		48.4	65	1975	29	2003		0.12	1.86	2001
MOUNT-AYR (IA5769)	131	74.4	91	1925, 2006	52	1899		51.3	69	1975	33	1931, 1981		0.13	2.82	1898
MOUNT-PLEASANT (IA5796)	160	75.4	93	1902	52	2017		51.8	70	1917, 1975	35	1894		0.06	0.89	1915
MUSCATINE (IA5837)	185	75.9	92	1934	57	1931, 1957		51.8	71	2004, 2012	32	2022		0.08	1.18	1959
MUSCATINE 2N (IA5844)	26	74.3	89	2022, 1998	50	2017		52.8	65	2012	39	2002		0.06	0.67	2013
NEW-HAMPTON (IA5952)	127	71.4	94	1934	47	2017		48.1	68	1975	30	1907		0.15	2.65	1902
NEWTON (IA5992)	154	75.1	94	1934	49	2017		51.3	68	2012	34	1907		0.11	3.23	1933
NORTHWOOD (IA6103)	128	71.8	95	1934	45	1931		47.9	70	1975	29	1907		0.10	1.07	2013
OAKLAND-2-E (IA6151)	105	76.0	98	1925	53	2017		50.5	71	1975	34	1963		0.09	0.86	2017
OELWEIN 1E (IA6199)	18	72.6	91	2022	50	2017		49.7	62	2021	38	2015		0.21	2.64	2013
OSAGE (IA6305)	158	71.9	96	1934	42	2019		48.9	68	1975	27	1907		0.14	4.16	2013
OSCEOLA-3-WSW (IA6316)	142	75.0	92	1934	49	1899		51.8	69	1959	35	2002, 1981		0.09	1.97	1899
OSKALOOSA (IA6327)	148	75.3	93	1934	52	2017		51.2	67	1902	32	1954		0.10	1.26	1996
Ottumwa (IA6389)	128	74.7	91	1902	52	2015		53.1	69	2004, 1902	38	2002, 1931		0.11	2.44	1982
PERRY (IA6566)	123	75.5	95	1934, 1925	51	2017		50.3	70	1975	30	1907		0.11	2.00	1933
POCAHONTAS (IA6719)	120	74.0	98	1934	46	2017		48.8	67	1975	29	1907		0.10	1.40	2011, 1908
Postville (IA6766)	133	70.9	93	1934	47	1915		49.3	69	1975	31	2002, 1907		0.12	1.65	1913
PRIMGHAR (IA6800)	129	73.6	98	1934	47	2017		49.3	68	1975	31	1907		0.12	1.96	2001
RATHBUN DAM (IA6910)	54	74.5	90	1998, 1996	55	2017		52.5	71	1975	38	2015		0.08	0.97	1984
RED-OAK (IA6940)	152	76.7	94	1934	54	1899, 1915		51.6	69	1959, 1975	34	1931		0.15	2.43	1903
ROCK-RAPIDS (IA7147)	131	73.0	98	1934	47	1931, 2019		47.3	66	2009	25	1895		0.13	2.52	1945
SAC-CITY (IA7312)	154	74.3	97	1934	46	2017		49.2	70	1975	29	1907		0.10	1.47	1913
SANBORN (IA7386)	142	72.7	97	1934	46	1931		47.7	63	1908, 1975, 1970	30	1907		0.12	1.36	2011
SHENANDOAH-1-NE (IA7613)	105	77.4	94	2006	56	1935, 2015		52.8	71	1975	34	1931		0.16	1.75	2013
SIBLEY-5-NNE (IA7664)	145	71.9	98	1934	45	2017		46.2	65	1970	28	1907		0.12	1.25	1914
SIGOURNEY (IA7678)	148	75.0	97	1902	54	2017		51.8	72	1975	35	1931, 1894		0.10	1.26	1982
SIOUX CENTER 2 SE (IA7700)	125	74.0	98	1934	47	2017		48.5	66	1975	28	1907		0.12	1.05	1914
SIOUX CITY ANG (IA7702)	27	72.7	94	2009	50	2017		49.2	63	2009	34	2002		0.19	1.12	2011
SIOUX-CITY-WSO-AP (IA7708)	134	73.2	98	1934	44	1892		50.6	68	1974, 1975, 1970	32	1997		0.12	1.31	1898
SIOUX-RAPIDS (IA7726)	82	73.2	94	1948	51	2015		48.2	66	1975	30	1954		0.10	2.29	2001
Spencer (IA7844)	129	72.5	99	1934	48	1931, 1915		47.7	66	1970, 1975	29	1907		0.14	3.76	1959
SPIRIT LAKE (IA7859)	145	71.6	97	1934	47	2019, 1931		49.7	69	1975	28	1907		0.14	1.80	2001
STANLEY (IA7892)	19	72.7	89	2022	50	2017		50.4	64	2021	38	2019		0.18	2.59	2013
STORM-LAKE-2-E (IA7979)	147	72.4	93	1925, 1934	50	1915		48.4	67	1934	27	1907		0.10	1.09	1913
SWEA CITY 4 W (IA8026)	69	73.5	93	2009	47	1971, 2019		48.2	64	1987	31	1967		0.20	3.85	1960
TOLEDO (IA8296)	130	73.9	94	1934	48	2017		49.4	67	1975	32	1907, 1924		0.11	2.30	1944
VINTON (IA8568)	155	74.3	93	1934	55	1957, 1915		50.0	68	2004	30	1954		0.10	1.72	1944
WASHINGTON (IA8688)	162	75.9	93	1934	50	2017		51.8	72	1975	34	1894		0.08	1.24	1915
WATERLOO (IA8706)	131	73.0	97	1934	48	2015		49.5	72	1975	31	1924, 1954		0.09	1.28	1933
WEBSTER-CITY (IA8806)	154	75.1	97	1934	54	2015, 1915		48.9	70	1975	28	1907		0.12	1.90	1944
WILLIAMSBURG (IA9067)	145	75.0	94	1934	49	2017		50.6	70	1975	31	1924, 1954		0.09	1.19	1933
WINTERSET (IA9132)	131	75.2	93	1934	53	1915, 1899		50.6	67	1959	31	1954		0.09	2.17	1899
Iowa - Northwest Climate Division (IAC001)	131	72.1	97	1934	47	2017		48.7	66	1975	31	1907		0.12	1.05	2011
Iowa - North Central Climate Division (IAC002)	131	71.6	96	1934	49	2017		48.8	68	1975	30	1907		0.12	1.21	2013
Iowa - Northeast Climate Division (IAC003)	131	71.4	94	1934	52	2017, 1915, 1957		49.2	67	1975, 2012	32	1907		0.12	1.27	2013
Iowa - West Central Climate Division (IAC004)	131	73.6	96	1934	50	2017		50.3	68	1975	34	1931, 1895, 1907, 1894		0.13	1.14	1944
Iowa - Central Climate Division (IAC005)	131	73.4	94	1934	50	2017		50.5	69	1975	32	1907		0.13	2.25	1944
Iowa - East Central Climate Division (IAC006)	131	73.3	92	1934	52	2017		50.8	69	2012	35	1954, 1907, 1894		0.10	0.97	1959
Iowa - Southwest Climate Division (IAC007)	131	74.7	94	1934	53	1899		51.8	70	1975	34	1931, 1894		0.13	1.46	1899
Iowa - South Central Climate Division (IAC008)	131	74.4	92	1934	53	1899		51.9	70	1975	35	1894		0.10	1.33	1899
Iowa - Southeast Climate Division (IAC009)	131	74.5	91	1934	54	2017		52.2	69	1975, 2012	35	1894		0.09	1.04	1984
Iowa Drought Region 1 - Northwest (IAD001)	131	72.7	98	1934	48	2017		49.1	66	1975	32	1931, 1895		0.12	1.14	2011
Iowa Drought Region 2 - Northcentral (IAD002)	131	72.5	96	1934	49	2017		49.5	68	1975	31	1907		0.13	1.38	1944
Iowa Drought Region 3 - Northeast (IAD003)	131	72.2	94	1934	51	2017		49.8	68	2012	33	1907		0.11	1.06	2013
Iowa Drought Region 4 - Southwest (IAD004)	131	74.5	94	1934	53	1915, 1899		51.5	69	1975	34	1931		0.12	1.25	1899
Iowa Drought Region 5 - Southeast (IAD005)	131	74.3	92	1934	54	2017, 1899		51.8	69	1975	35	1894		0.10	0.93	1899
Spencer Airport (IAKSPW)	29	70.0	92	2009	52	2017		48.2	64	2021	30	1997		0.19	1.86	2011
Waterloo Area (IATALO)	129	73.0	97	1934	48	2015		49.5	72	1975	31	1924, 1954		0.09	1.28	1933
Ames Area (IATAME)	131	74.5	93	1925, 1934	48	2017		49.9	70	1975	30	1907		0.13	3.68	1944
Cedar Rapids Area (IATCID)	131	73.4	93	1975	49	2015		50.8	69	2004	29	1924		0.13	1.55	1944
Dubuque Area (IATDBQ)	150	71.3	93	1934	44	1892		50.7	68	2004, 1902	33	1924		0.15	2.31	1912
Des Moines Area (IATDSM)	145	73.4	94	1925	47	1892		52.9	73	1975	35	1892		0.12	2.01	1950
Ida Grove Area (IATIDA)	121	74.5	97	1934	47	2017		49.4	69	1975	33	1931, 1958		0.12	1.38	2017
Oelwein Area (IATOEL)	101	72.9	95	1934	50	2017		49.0	65	1959, 1975	31	1924		0.11	2.64	2013
Spencer Area (IATSPW)	129	72.7	99	1934	48	1931, 1915		47.8	66	1970, 1975	29	1907		0.16	3.76	1959
Sioux City Area (IATSUX)	134	73.2	98	1934	44	1892		50.6	68	1974, 1975, 1970	32	1997		0.12	1.31	1898