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 (USC00053359) 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	1.40	2.40	3.40	0.50	M	M	M
2012	34.10	0.10	0.30	0.30	0.60	M	0.50	0.10	M	M	M	M
NCEI Climatology	1.13	1.20	1.18	1.63	1.69	0.96	1.07	1.27	1.63	1.56	1.06	1.19

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	35.20
2011	35.32	38.87	53.69	59.20	65.50	80.98	85.81	89.39	75.46	63.08	49.73	37.73
2012	43.76	42.75	58.09	67.17	75.39	89.09	87.99	85.78	M	M	M	M
NCEI Climatology	36.20	41.78	53.01	60.01	70.60	82.40	88.60	86.00	78.20	64.79	49.10	36.39

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	2.75
2011	5.78	6.52	21.59	26.77	31.81	37.05	45.59	45.33	37.37	27.43	17.88	6.34
2012	8.13	12.39	20.25	28.30	31.44	39.73	47.59	45.94	M	M	M	M
NCEI Climatology	12.30	19.14	26.11	31.99	39.61	46.30	53.41	52.11	43.80	33.30	23.60	15.11

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	18.98
2011	20.55	22.69	37.64	42.99	48.66	59.01	65.70	67.36	56.41	45.25	33.80	22.03
2012	26.04	27.57	39.17	47.74	53.41	64.41	67.79	65.86	M	M	M	M
NCEI Climatology	24.25	30.46	39.56	46.00	55.10	64.35	71.00	69.05	61.00	49.05	36.35	25.75

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