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 (USC00473405) 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
2007	M	M	M	M	M	M	M	M	2.83	3.67	0.17	2.83
2008	2.86	2.83	1.02	6.64	3.02	6.06	4.38	1.72	2.29	1.87	1.75	3.62
2009	0.51	1.41	3.09	4.00	3.34	1.18	M	M	M	M	M	M
NCEI Climatology	1.14	1.01	1.86	3.57	4.19	4.95	4.15	4.02	3.31	2.71	1.98	1.42

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	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
2007	M	M	M	M	M	M	M	M	77.37	66.61	44.90	28.90
2008	27.17	26.55	40.76	56.27	68.10	78.03	83.32	72.16	56.37	40.97	33.10	13.77
2009	10.52	29.32	40.10	54.24	69.83	70.86	M	M	M	M	M	M
NCEI Climatology	24.89	29.77	41.30	55.10	68.10	77.41	81.50	79.30	71.59	58.11	42.59	29.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	50.37	44.06	24.67	9.90
2008	7.77	2.83	15.29	32.70	39.68	54.76	58.19	55.03	50.13	37.65	26.23	5.42
2009	-0.55	10.96	20.50	32.38	45.53	44.29	M	M	M	M	M	M
NCEI Climatology	6.91	9.87	21.19	32.91	45.20	55.20	58.80	57.30	49.31	37.40	25.60	13.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	63.87	55.34	34.78	19.40
2008	17.47	14.69	27.75	44.48	53.89	66.40	70.76	64.05	53.25	39.31	29.67	9.60
2009	4.98	20.14	30.53	43.31	57.68	57.57	M	M	M	M	M	M
NCEI Climatology	15.90	19.82	31.25	44.00	56.65	66.30	70.15	68.30	60.45	47.76	34.10	21.85

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
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M