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.

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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
2007	M	0.00	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	5.3	4.7	4.9	5.4	6.8
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
2007	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
2002	M	M	M	M	M	M	M	67.05	61.94	40.94	28.10	25.38
2003	M	M	M	37.40	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	53.60	64.04	54.68	59.00	50.00	42.80	M
2005	11.68	22.68	27.94	48.68	53.72	66.20	71.54	M	M	49.77	32.42	18.65
2006	22.58	19.40	30.80	39.20	44.60	62.60	68.60	66.80	66.20	M	24.80	25.40
2007	10.10	12.04	31.25	43.52	55.52	65.00	67.88	68.70	59.54	51.12	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	53.81	49.76	31.19	18.68	15.39
2003	M	M	M	37.40	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	53.60	61.52	54.68	59.00	50.00	42.80	M
2005	-3.54	7.57	10.05	32.12	41.58	53.66	57.37	M	M	38.62	22.28	10.28
2006	11.36	19.40	30.80	39.20	44.60	62.60	68.00	66.80	64.40	M	24.80	24.20
2007	-9.10	-5.22	14.23	27.92	41.52	52.94	54.18	55.75	47.66	41.75	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	60.43	55.85	36.06	23.39	20.39
2003	M	M	M	37.40	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	53.60	62.78	54.68	59.00	50.00	42.80	M
2005	4.07	15.12	18.99	40.40	47.65	59.93	64.46	M	M	44.19	27.35	14.46
2006	16.97	19.40	30.80	39.20	44.60	62.60	68.30	66.80	65.30	M	24.80	24.80
2007	0.50	3.41	22.74	35.72	48.52	58.97	61.03	62.22	53.60	46.44	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	84.3%	85.2%	78.3%	82.6%	77.1%
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
2007	M	M	M	M	M	M	M	M	M	M	M	M