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 (USC00155648) within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

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	2.62
2011	1.97	2.99	6.06	M	3.80	7.16	3.73	1.94	0.00	0.47	M	M
2012	M	0.18	M	M	0.48	0.54	8.61	2.50	7.08	M	M	M
NCEI Climatology	4.22	4.18	4.86	4.79	4.86	4.79	4.59	3.65	3.54	3.59	3.50	4.94

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	33.00
2011	37.10	49.29	57.75	M	74.39	82.50	86.45	85.00	75.37	70.58	60.00	M
2012	M	53.88	M	M	82.22	83.20	88.39	82.97	78.84	M	M	M
NCEI Climatology	42.30	46.73	55.61	66.99	74.51	81.49	84.40	84.20	79.30	68.50	56.10	46.30

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	18.87
2011	18.76	26.64	35.82	M	54.22	59.40	65.90	60.74	54.79	43.25	56.00	M
2012	M	32.75	M	M	57.56	56.10	65.71	60.13	58.16	M	M	M
NCEI Climatology	24.50	27.42	34.60	43.80	53.70	62.00	66.00	63.90	56.60	44.81	35.00	29.00

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	25.93
2011	27.78	37.96	46.79	M	64.30	70.95	76.18	72.87	65.14	56.92	58.00	M
2012	M	43.31	M	M	69.89	69.65	77.05	71.62	68.50	M	M	M
NCEI Climatology	33.40	37.08	45.10	55.39	64.10	71.75	75.20	74.05	67.95	56.65	45.55	37.65

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