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 (USC00475786) 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
2004	0.86	1.73	2.84	1.60	8.82	10.23	3.26	4.89	1.79	2.98	1.83	1.99
2005	1.53	1.32	1.17	1.34	1.97	2.88	9.85	1.71	2.94	1.09	3.02	0.72
2006	1.10	0.66	1.77	3.13	4.52	1.02	2.66	4.16	3.45	1.94	1.80	1.22
2007	2.86	1.40	1.83	2.43	1.78	1.03	2.58	7.05	2.81	4.00	0.14	3.60
2008	1.84	2.09	0.93	6.62	3.59	8.58	7.31	1.71	2.76	1.92	1.20	2.99
2009	0.17	0.95	2.49	3.12	3.89	3.67	2.36	4.46	0.62	5.59	0.69	2.40
2010	1.44	0.94	0.71	2.26	5.13	7.25	11.29	3.26	5.76	1.77	1.77	1.85
2011	0.98	0.50	M	0.10	M	1.91	M	M	1.09	1.47	2.09	1.23
2012	0.86	1.09	2.00	3.10	6.13	2.97	0.68	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	0.18	0.52	0.39	M	M
NCEI Climatology	1.15	1.08	1.76	3.22	3.92	5.13	4.47	3.97	3.32	2.73	1.87	1.51

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
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
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
2004	23.25	33.67	45.90	64.50	70.23	76.63	79.94	76.52	78.14	61.93	47.03	31.07
2005	25.13	36.36	41.90	63.93	67.60	83.77	86.20	82.53	78.57	64.00	46.97	26.45
2006	37.80	31.57	45.00	65.66	72.37	80.60	89.97	81.33	68.93	56.03	48.14	37.17
2007	34.10	23.73	49.47	58.86	77.17	81.96	85.07	81.93	75.52	64.97	42.47	27.58
2008	25.06	26.55	39.81	57.44	68.77	77.90	82.28	80.77	73.93	60.71	43.47	25.61
2009	22.21	35.26	46.42	57.93	71.07	76.93	77.30	77.81	75.86	52.03	51.13	27.84
2010	25.16	31.57	52.45	66.38	73.50	77.40	83.37	83.45	70.47	64.94	46.40	25.97
2011	22.93	26.23	M	M	M	M	M	M	64.00	64.77	46.48	35.00
2012	31.45	36.09	58.48	58.66	73.83	81.46	92.27	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
NCEI Climatology	26.20	31.70	44.20	58.68	70.90	79.60	83.61	81.11	73.61	60.10	43.60	30.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	-11.50	M	M	18.00	59.00	40.00	67.00	38.50	43.60	37.57	47.00	M
2005	M	M	29.00	33.00	M	46.00	57.00	53.50	59.33	37.75	M	M
2006	M	16.00	M	30.00	46.00	M	50.00	M	47.00	M	24.00	M
2007	M	M	M	M	30.00	49.00	53.00	51.00	62.00	38.00	M	M
2008	M	-1.71	13.97	32.19	38.26	52.67	54.69	51.29	49.17	35.00	24.40	1.94
2009	-11.00	10.48	19.45	29.29	43.63	52.67	50.13	53.10	44.86	34.58	29.52	10.45
2010	4.52	9.79	23.32	35.66	44.60	55.14	60.57	59.65	46.20	33.90	24.80	6.45
2011	4.90	-2.92	M	M	M	M	M	M	43.18	37.37	26.79	16.81
2012	10.29	16.61	35.81	32.00	44.89	52.86	63.12	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
NCEI Climatology	6.00	9.57	19.90	31.41	43.59	53.19	57.51	55.71	47.60	35.80	23.80	12.40

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	-3.00	M	M	30.00	71.00	55.50	77.00	56.25	60.50	50.07	53.50	M
2005	M	M	36.50	51.50	M	62.00	75.00	65.75	73.50	51.00	M	M
2006	M	19.50	M	50.00	59.00	M	69.50	M	61.50	M	29.00	M
2007	M	M	M	M	48.00	65.00	71.50	68.17	72.50	54.00	M	M
2008	M	12.93	26.89	44.44	53.52	65.28	68.48	66.03	61.55	47.85	33.93	13.77
2009	5.48	22.87	32.94	43.11	57.35	64.80	63.72	65.32	60.36	43.31	40.56	19.15
2010	14.84	20.68	37.89	51.02	59.05	66.17	71.97	71.55	58.33	49.35	35.60	16.21
2011	13.92	11.65	M	M	M	M	M	M	53.91	51.07	36.48	25.90
2012	20.87	26.35	47.15	45.33	59.05	67.16	77.69	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
NCEI Climatology	16.10	20.63	32.05	45.04	57.24	66.40	70.56	68.41	60.60	47.95	33.70	21.65

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
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
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