National Weather Service - Des Moines, IA

KMCW September, 2012
Date	Observed Low (F)	Observed High (F)	Normal Low (F)	Normal High (F)	Record Low (F)	Year	Record High (F)	Year	Observed Precipitation (inches)	Record Precipitation (inches)	Record Snow Fall (inches)
1	58	87	55	78	35	1949	97	1913	0	1.75 1923
2	54	92	54	78	34	1928	99	1925	0	2.54 2006
3	57	84	54	78	34	1974	96	1925	Trace	1.22 1968
4	58	96	54	78	37	1930	100	1925	0.28	1.34 1920
5	53	83	53	77	36	1935	100	1913	0.18	3.32 1985
6	49	83	53	77	37	2011	103	1922	0	2.29 1938
7	49	73	53	77	36	1895	98	1939	Trace	3.23 1964
8	43	82	52	76	37	1995	96	1931	0	3.60 1941
9	46	76	52	76	34	1924	96	1955	0	2.33 1971
10	41	82	51	76	35	1935	98	1931	0	1.70 1896
11	58	94	51	75	31	1894	95	2000	0	1.84 1991
12	51	72	50	75	33	1940	95	1927	0.39	5.20 1978
13	49	70	50	75	34	1963	95	1939	0.22	4.35 1930
14	47	79	49	74	28	1923	95	1939	0	1.70 1909
15	51	80	49	74	26	2011	95	1939	0	2.86 1936
16	50	80	48	73	30	1937	94	1931	0	1.45 1925
17	46	64	48	73	31	1943	94	1925	0.05	2.77 1977
18	36	62	47	73	26	1929	92	1947	0	2.52 1942
19	45	81	47	72	25	1894	95	1948	0	4.57 1983
20	40	68	46	72	28	1897	90	1895	Trace	1.57 1948
21	43	70	46	71	29	1999	93	1937	0.03	1.40 1980
22	35	59	46	71	25	1913	94	1937	0	1.43 1959
23	28	60	45	70	28	2012	87	1938	0	1.63 2008
24	32	78	45	70	29	1950	87	1935	0	1.70 1972
25	43	81	44	70	26	1942	88	1920	0	2.00 1972
26	33	73	44	69	25	1984	89	1998	0	1.69 1924
27	33	71	43	69	22	1896	86	1963	0	1.52 1965
28	34	75	43	68	20	1942	89	1898	0	1.29 1929
29	44	83	42	68	24	1945	88	1922	0	1.06 1973
30	42	82	42	67	15	1899	91	1952	0	2.19 1925
Average	44.9	77.3	48.5	73.3					1.15 Normal = 3.27

The special shading of colors in the Observed High/Low and Record High/Low/Year columns depict
observed monthly extremes and record monthly extremes and the years in which they occurred.

(The above data is unofficial and may contain errors.)
For official climate records, please contact...www.ncdc.noaa.gov.

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