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 (USC00172440) 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	4.48
2011	1.96	2.50	4.88	4.61	5.81	2.91	1.93	8.39	5.06	4.43	1.59	2.44
2012	3.71	1.80	2.14	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.06	2.68	3.06	3.61	3.76	4.43	3.45	3.56	3.54	4.81	3.61	3.40

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	30.61
2011	25.10	28.29	37.84	49.07	62.39	72.23	80.81	77.06	71.17	57.48	49.43	36.32
2012	29.10	32.83	44.60	M	M	M	M	M	M	M	M	M
NCEI Climatology	26.60	29.53	38.90	51.11	63.80	72.70	78.61	77.80	70.30	56.90	43.60	31.59

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	12.87
2011	3.52	1.36	15.74	26.62	43.23	49.47	54.48	53.55	47.90	38.19	26.20	15.61
2012	7.57	8.41	21.03	M	M	M	M	M	M	M	M	M
NCEI Climatology	7.20	8.93	18.40	30.09	42.50	51.39	57.00	55.70	47.80	36.60	26.30	15.39

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	21.74
2011	14.31	14.82	26.79	37.84	52.81	60.85	67.65	65.31	59.53	47.84	37.82	25.97
2012	18.22	20.62	32.82	M	M	M	M	M	M	M	M	M
NCEI Climatology	16.90	19.23	28.65	40.60	53.15	62.05	67.80	66.75	59.05	46.75	34.95	23.49

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