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 (USC00260507) 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
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	0.00	M	M	0.00
2011	0.10	0.22	0.75	0.82	0.48	0.27	0.21	0.00	6.00	M	M	M
2012	M	M	M	M	0.40	0.00	18.00	4.90	18.90	1.70	0.20	0.00
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	0.00
2017	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
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
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	1.22	1.19	1.46	1.64	1.86	0.61	0.58	0.40	0.64	0.53	1.11	1.14

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
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
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	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
2008	M	M	M	M	51.70	75.83	86.24	83.91	75.29	61.54	48.96	34.90
2009	34.72	38.71	45.60	52.44	59.27	80.42	84.03	80.74	78.63	56.86	49.76	30.97
2010	33.11	37.01	44.87	51.04	55.71	74.65	85.83	82.32	75.49	58.86	43.03	34.28
2011	36.36	39.92	45.88	50.26	57.14	73.78	84.56	85.38	75.67	M	M	M
2012	M	M	M	M	64.15	79.34	85.44	85.29	77.28	63.72	52.16	35.08
2013	32.35	39.25	52.65	56.65	65.63	78.35	86.60	82.97	71.18	58.27	48.53	37.03
2014	45.87	44.36	51.00	56.87	65.59	78.30	86.48	78.37	75.89	67.15	51.58	44.69
2015	45.58	53.32	53.12	57.10	60.44	81.43	79.74	83.68	77.20	62.61	40.33	34.16
2016	30.74	39.62	50.76	56.67	61.84	81.47	86.39	84.74	72.73	62.39	50.30	35.53
2017	28.52	39.68	53.32	53.87	65.06	79.48	86.70	83.07	70.63	60.97	51.92	45.15
2018	45.27	40.03	37.47	60.51	63.88	79.09	88.08	84.19	76.42	57.66	46.81	35.31
2019	47.30	32.03	44.53	56.44	51.04	73.33	83.29	85.54	71.00	57.48	49.25	34.50
2020	M	M	M	M	M	M	M	79.30	78.68	67.89	48.87	40.36
2021	M	M	M	M	M	M	M	M	77.76	57.84	54.32	39.82
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	42.21	43.99	50.30	55.51	65.10	76.21	85.91	83.80	75.01	62.10	49.30	40.49

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	35.24	50.30	59.18	57.75	47.29	36.87	33.13	16.45
2009	20.81	22.75	27.78	30.80	42.84	48.15	63.69	54.65	49.90	32.97	24.89	11.17
2010	17.20	21.52	24.77	29.43	33.39	49.52	59.19	54.69	47.31	38.44	29.45	21.95
2011	19.78	19.11	27.90	29.41	35.43	49.13	56.69	56.09	48.82	M	M	M
2012	M	M	M	M	38.75	49.55	57.85	57.66	49.66	37.34	30.70	18.48
2013	10.72	18.70	30.87	39.55	40.35	50.85	61.17	56.47	46.71	33.47	27.73	15.03
2014	23.80	26.46	28.26	32.73	41.66	51.30	61.32	54.17	51.32	40.48	28.08	27.77
2015	26.61	28.32	32.83	31.72	41.33	57.57	54.52	56.90	50.40	41.58	21.93	18.68
2016	15.19	19.69	30.59	34.74	39.03	52.07	57.81	56.16	46.23	37.71	28.20	17.50
2017	13.55	24.61	30.65	31.33	40.84	50.33	33.93	34.07	44.97	32.87	2.37	19.37
2018	25.42	18.61	16.27	36.86	41.73	50.66	61.26	57.44	48.78	34.53	25.22	18.37
2019	26.88	17.14	27.08	35.27	36.97	46.43	58.05	57.12	45.49	27.20	26.43	20.53
2020	M	M	M	M	M	M	M	58.10	48.93	38.18	25.38	18.05
2021	M	M	M	M	M	M	M	M	48.71	35.13	29.74	19.47
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	26.20	26.17	31.00	34.39	42.70	50.60	59.30	57.70	50.21	39.90	30.70	24.70

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	43.47	63.06	72.71	70.83	61.29	49.21	41.04	25.68
2009	27.76	30.73	36.69	41.62	51.06	64.28	73.86	67.70	64.26	44.91	37.32	21.07
2010	25.15	29.26	34.82	40.23	44.55	62.08	72.51	68.51	61.40	48.65	36.24	28.12
2011	28.07	29.52	36.89	39.83	46.28	61.46	70.62	70.74	62.25	M	M	M
2012	M	M	M	M	51.45	64.44	71.65	71.48	63.47	50.53	41.43	26.78
2013	21.53	28.98	41.76	48.10	52.99	64.60	73.88	69.72	58.95	45.87	38.13	26.03
2014	34.83	35.41	39.63	44.80	53.62	64.80	73.90	66.27	63.61	53.81	39.83	36.23
2015	36.10	40.82	42.98	44.41	50.89	69.50	67.13	70.29	63.80	52.10	31.13	26.42
2016	22.97	29.66	40.67	45.70	50.44	66.77	72.10	70.45	59.48	50.05	39.25	26.52
2017	21.03	32.14	41.98	42.60	52.95	64.91	60.32	58.57	57.80	46.92	27.14	32.26
2018	35.35	29.32	26.87	48.68	52.80	64.87	74.67	70.82	62.60	46.10	36.01	26.84
2019	37.09	24.58	35.81	45.86	44.00	59.88	70.67	71.33	58.24	42.34	37.84	27.51
2020	M	M	M	M	M	M	M	68.70	63.81	53.04	37.13	29.20
2021	M	M	M	M	M	M	M	M	63.23	46.48	42.03	29.65
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	34.21	35.08	40.65	44.95	53.90	63.40	72.61	70.75	62.61	51.00	40.00	32.60

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
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
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
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M