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 (USC00301309) within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

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	12.04	3.41	20.93	5.10	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	64.60	184.82	115.99	57.75
2017	16.85	101.20	209.87	244.84	212.45	115.02	111.95	121.25	192.00	150.21	205.22	95.72
2018	3.50	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.72	3.20	4.24	4.09	3.88	4.29	3.83	4.32	4.67	4.26	3.48	4.64

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
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	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	40.10
2011	35.76	47.43	50.16	60.83	69.81	80.62	89.20	83.74	78.26	67.24	60.55	51.64
2012	46.64	47.44	56.92	64.14	72.76	80.50	87.37	85.39	75.95	67.13	50.83	50.97
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	82.11	78.58	67.66	53.63	62.99
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	69.35	65.10	60.31	45.53
2017	43.31	46.13	42.46	68.42	69.87	82.56	84.82	81.96	77.87	69.58	53.96	37.21
2018	18.23	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	37.90	40.09	47.29	59.80	69.60	78.39	83.20	81.40	74.31	62.61	52.20	43.09

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	30.30
2011	23.60	15.79	32.32	43.29	54.24	62.39	69.47	66.40	63.82	52.60	44.47	34.97
2012	28.65	32.40	38.66	45.70	56.03	61.97	69.41	69.53	59.66	52.99	39.15	37.24
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	66.33	61.96	53.75	36.71	38.17
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	37.11	52.88	42.71	32.95
2017	33.03	28.10	29.92	48.49	54.43	65.94	72.19	73.50	68.33	59.56	42.71	32.16
2018	-33.62	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	24.49	25.49	31.30	40.90	50.50	60.20	65.80	64.99	58.99	48.80	38.69	30.50

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	35.20
2011	29.68	31.61	41.24	52.06	62.02	71.50	79.34	75.07	71.04	59.92	52.51	43.31
2012	37.73	39.92	47.79	54.92	64.39	71.24	78.39	77.46	67.81	60.06	44.99	44.10
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	74.22	70.27	60.70	45.17	50.58
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	53.23	58.99	51.51	39.24
2017	38.17	37.12	36.19	58.45	62.92	74.91	79.57	77.73	73.10	64.57	48.33	34.69
2018	-7.69	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	31.20	32.79	39.30	50.35	60.05	69.30	74.50	73.20	66.65	55.70	45.44	36.80

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
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M