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 (USC00262431) 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	0.33
2011	0.07	0.65	1.04	0.27	0.19	0.00	0.05	0.37	0.39	0.20	0.04	0.00
2012	0.29	0.37	1.40	0.87	0.16	0.00	0.61	0.36	0.41	0.61	0.00	0.12
2013	0.02	0.08	0.15	0.02	0.32	0.00	0.66	0.00	0.30	0.26	0.32	0.52
2014	0.00	0.50	0.01	0.00	0.58	0.00	0.37	0.54	0.46	0.00	0.08	1.10
2015	0.15	0.00	0.05	0.00	2.81	0.65	0.24	3.55	0.15	1.46	0.22	0.00
2016	0.16	0.62	0.13	1.03	0.25	0.75	0.13	0.00	0.00	0.20	0.00	0.08
2017	1.84	0.70	0.00	0.09	0.47	0.10	0.86	0.29	1.36	0.00	0.00	0.00
2018	0.00	0.40	0.00	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.64	0.70	0.43	0.48	0.59	0.37	0.36	0.35	0.31	0.35	0.30	0.51

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
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	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	48.59
2011	49.47	49.08	57.77	65.50	71.38	85.26	93.41	93.70	86.03	73.72	54.80	47.97
2012	51.59	52.34	61.29	68.60	79.94	88.76	92.16	93.52	86.03	73.03	59.97	45.45
2013	43.17	52.48	65.10	70.37	77.19	90.70	95.28	90.35	82.17	66.77	56.70	43.20
2014	54.47	56.43	61.83	69.72	77.76	89.93	95.07	86.80	84.87	74.93	60.17	48.23
2015	52.57	61.64	65.97	68.41	71.97	89.93	89.83	92.10	86.03	70.58	52.60	46.17
2016	46.94	54.76	63.94	69.00	73.59	92.47	97.10	93.03	83.27	72.03	64.17	45.50
2017	41.00	50.71	66.16	67.55	77.81	91.70	96.76	92.58	81.48	71.42	61.90	50.04
2018	54.67	53.44	32.50	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	46.91	52.02	60.30	66.80	75.90	87.09	93.70	91.40	83.70	71.00	56.91	45.80

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	26.14
2011	18.73	21.12	27.06	30.89	36.31	47.37	54.72	51.60	46.43	35.34	19.97	12.21
2012	15.34	19.90	27.58	35.93	43.03	49.48	56.10	57.55	47.10	35.50	25.20	20.77
2013	12.03	18.07	28.71	34.73	42.16	53.80	58.83	53.97	47.37	29.61	24.47	11.87
2014	17.83	22.86	28.00	35.76	39.69	51.23	59.73	53.60	49.37	34.59	23.31	25.16
2015	21.77	24.82	29.83	32.21	43.17	54.70	55.63	55.50	47.93	41.00	21.10	14.53
2016	16.81	21.76	29.65	36.87	41.93	53.77	55.10	52.24	45.27	37.06	26.33	16.04
2017	15.96	28.43	27.97	33.66	41.74	51.93	58.72	57.16	45.81	30.29	25.80	12.18
2018	18.83	16.92	7.00	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	17.61	22.49	27.70	33.30	41.50	49.80	56.00	53.20	44.61	33.40	23.21	16.30

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	37.36
2011	34.10	35.10	42.42	48.20	53.84	66.31	74.07	72.65	66.23	54.53	37.38	30.14
2012	33.47	36.12	44.44	52.27	61.48	69.12	74.13	75.53	66.57	54.27	42.58	33.11
2013	27.60	35.28	46.90	52.55	59.68	72.25	77.05	72.16	64.77	48.19	40.58	27.53
2014	36.15	39.64	44.91	52.74	58.72	70.58	77.40	70.20	67.12	54.76	41.74	36.69
2015	37.17	43.23	47.90	50.31	57.57	72.32	72.73	73.80	66.98	55.79	36.85	30.35
2016	31.87	38.26	46.79	52.93	57.76	73.12	76.10	72.64	64.27	54.55	45.25	30.77
2017	28.48	39.57	47.06	50.60	59.77	71.82	77.74	74.87	63.65	50.85	43.85	31.11
2018	36.75	35.18	19.75	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	32.26	37.26	44.00	50.05	58.70	68.44	74.85	72.30	64.15	52.20	40.06	31.05

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
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M