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 (USC00453546) 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	M
2011	M	M	M	M	M	0.09	0.26	27.69	M	M	M	M
2012	42.71	0.97	1.67	1.24	0.22	2.38	0.74	0.05	M	1.51	2.29	1.81
2013	0.68	0.42	0.47	M	M	M	M	M	M	M	M	M
NCEI Climatology	1.24	0.93	1.27	1.05	0.93	0.79	0.23	0.26	0.39	1.01	1.41	1.36

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
2013	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	26.80
2011	39.85	42.96	53.88	57.60	68.65	77.27	84.99	88.71	84.38	63.31	50.24	37.47
2012	41.13	47.26	54.23	65.07	71.82	76.42	90.15	90.76	82.10	64.04	49.45	46.22
2013	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	38.70	44.95	54.49	62.99	72.79	79.91	89.51	88.21	78.60	62.71	47.21	38.00

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	11.60
2011	24.98	24.06	32.60	31.15	38.34	45.46	50.68	52.67	51.16	41.08	26.92	22.42
2012	21.38	28.21	30.19	36.58	40.67	44.66	55.07	55.88	49.06	39.76	33.46	33.28
2013	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	27.00	28.86	33.70	38.19	45.21	50.90	57.81	57.40	49.80	39.70	31.60	26.19

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	19.20
2011	32.42	33.51	43.24	44.37	53.50	61.37	67.83	70.69	67.77	52.20	38.58	29.94
2012	31.25	37.73	42.21	50.83	56.25	60.54	72.61	73.32	65.58	51.90	41.45	39.75
2013	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	32.85	36.91	44.10	50.59	59.00	65.40	73.66	72.80	64.20	51.20	39.40	32.10

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
2013	M	M	M	M	M	M	M	M	M	M	M	M