National Weather Service - Des Moines, IA

KDSM May, 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)
1	53	78	47	68	27	1909	92	1887	0	1.18 1892
2	61	76	48	68	30	1967	90	1952	0.72	1.74 1944
3	65	83	48	69	29	1907	88	1949	0.04	1.62 1913
4	68	83	48	69	26	1907	91	1918	Trace	2.73 2003
5	69	87	49	69	30	1944	92	1909	0	2.81 1882
6	62	82	49	69	28	1947	95	1934	1.23	1.58 2007
7	59	71	49	70	28	1931	92	1966	0	1.76 1997
8	50	69	50	70	32	1954	94	1934	0	1.41 1950
9	47	69	50	70	32	1923	94	1895	0	3.23 1996
10	50	76	50	71	32	1966	95	2011	0	2.83 1912
11	57	80	51	71	30	1946	93	2000	0	2.98 1923
12	53	73	51	71	32	1946	94	1956	0	2.27 2005
13	50	77	51	72	32	1997	92	1956	0	2.51 1970
14	52	81	52	72	34	1888	93	1988	0	1.67 1909
15	58	91	52	72	35	1997	91	2012	0	2.52 1943
16	55	77	52	72	33	1890	90	1939	0	1.69 1896
17	55	82	53	73	36	1915	90	1880	0	2.25 2004
18	59	89	53	73	35	1916	92	1934	0	1.66 1944
19	66	86	53	73	35	1888	93	1975	0	1.14 1937
20	56	74	54	74	35	1892	94	1925	0	2.01 1950
21	49	78	54	74	35	1931	94	1886	0	1.78 1969
22	55	82	54	74	33	1963	98	1925	0	3.21 2004
23	61	89	55	75	32	1963	92	1939	0	1.58 1914
24	60	85	55	75	36	1924	97	1939	0.40	2.62 1922
25	57	70	55	75	34	1925	98	1967	0.19	2.40 1960
26	61	91	56	75	39	1961	93	1985	0	2.08 1903
27	74	91	56	76	36	1907	91	2012	0	3.48 1915
28	63	88	56	76	32	1947	92	1895	0.04	2.34 1947
29	56	79	57	76	32	1947	104	1934	0	1.41 1880
30	52	70	57	77	40	1897	105	1934	0.04	2.52 1903
31	49	57	57	77	34	1889	102	1934	0.49	2.76 1954
Average	57.5	79.5	52.3	72.5					3.15 Normal = 4.74

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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