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 (USW00054796) 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
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	8.73	4.49	42.96	6.50	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	4.15	4.01	5.73	4.51	3.50	3.90	3.09	4.10	4.30	4.59	4.39	5.14

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	46.65
2011	38.61	43.61	50.05	59.57	69.68	78.31	85.97	82.30	77.38	66.64	59.59	51.71
2012	47.23	48.19	57.78	62.85	70.19	77.36	86.01	M	M	M	M	M
NCEI Climatology	37.60	39.31	46.31	56.20	65.79	74.29	80.00	78.80	72.40	62.11	51.80	42.91

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	18.00
2011	11.32	13.72	27.29	38.44	48.68	55.13	62.82	60.96	57.07	43.87	33.35	25.48
2012	22.48	23.97	33.93	37.45	51.25	55.09	62.90	M	M	M	M	M
NCEI Climatology	20.00	21.29	27.71	36.30	46.21	55.50	61.70	60.00	52.80	41.80	32.80	25.60

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	32.33
2011	24.97	28.67	38.67	49.00	59.18	66.72	74.40	71.63	67.22	55.25	46.47	38.60
2012	34.83	36.08	45.86	50.15	60.72	66.22	74.46	M	M	M	M	M
NCEI Climatology	28.80	30.30	37.01	46.25	56.00	64.89	70.85	69.40	62.60	51.95	42.30	34.25

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