IEM :: Monthly Summaries

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The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station (USC00029542) within the current 1991-2020 dataset.

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Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	0.00
2011	0.00	0.67	0.27	0.05	0.46	0.00	1.92	1.48	2.54	0.97	0.00	M
2012	0.07	0.05	0.40	0.21	M	0.01	1.03	M	M	M	M	M
NCEI Climatology	0.68	0.53	0.60	0.41	0.40	0.12	1.59	1.47	0.99	0.68	0.48	0.58

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	M	M	M	M	M	M	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	30.50
2011	47.81	50.86	64.06	70.13	74.71	89.03	90.97	91.52	82.27	71.10	55.67	46.64
2012	54.23	54.55	64.06	72.97	82.29	93.53	90.20	M	M	M	M	M
NCEI Climatology	47.61	54.64	63.09	70.50	79.70	91.50	94.39	91.21	84.61	72.50	57.90	45.91

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	13.00
2011	18.23	18.86	31.03	36.73	42.90	54.53	61.74	59.65	53.70	39.03	28.44	21.59
2012	22.68	23.66	29.74	39.27	48.00	59.47	62.95	M	M	M	M	M
NCEI Climatology	26.00	30.21	36.40	42.91	51.59	61.90	67.09	65.19	57.70	45.60	33.68	25.21

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	21.75
2011	33.02	34.86	47.55	53.43	58.81	71.78	76.35	75.58	67.98	55.06	42.06	34.11
2012	38.45	39.10	46.90	56.12	65.15	76.50	76.58	M	M	M	M	M
NCEI Climatology	36.80	42.42	49.75	56.70	65.65	76.70	80.74	78.20	71.16	59.05	45.79	35.56

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M