IEM :: Monthly Summaries

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 () 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
2002	M	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	12.6	14.1	11.0	12.6	9.3
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	11.6	8.5	8.6	11.2	12.5	10.8	10.8	M	M	14.3	13.4	8.0
2006	7.1	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
2002	M	M	M	M	M	M	M	49.66	40.58	19.69	5.54	0.24
2003	M	M	M	14.00	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	46.40	54.32	43.70	41.45	14.90	0.80	-18.40
2005	-16.14	-16.21	-4.99	17.06	22.94	46.34	56.45	M	14.00	22.48	4.28	-1.33
2006	-10.90	-10.60	0.50	1.04	26.60	50.90	48.80	59.60	34.70	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	41.79	33.86	13.42	-2.32	-8.12
2003	M	M	M	14.00	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	43.70	53.96	43.70	41.45	14.90	0.80	-18.40
2005	-23.39	-24.96	-15.44	7.46	10.81	35.84	42.63	M	14.00	16.73	-2.20	-8.59
2006	-18.10	-10.60	0.50	1.04	26.60	50.90	48.20	59.60	34.70	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	45.72	37.22	16.55	1.61	-3.94
2003	M	M	M	14.00	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	45.05	54.14	43.70	41.45	14.90	0.80	-18.40
2005	-19.76	-20.59	-10.21	12.26	16.87	41.09	49.54	M	14.00	19.60	1.04	-4.96
2006	-14.50	-10.60	0.50	1.04	26.60	50.90	48.50	59.60	34.70	M	M	M

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
2002	M	M	M	M	M	M	M	85.8%	85.3%	86.6%	82.8%	83.2%
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	76.7%	76.7%	78.6%	85.6%	85.3%	75.9%	75.4%	M	M	87.3%	83.5%	80.7%
2006	79.0%	M	M	M	M	M	M	M	M	M	M	M