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 (USC00266242) 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	0.45	0.00	0.00
2011	0.00	0.03	0.15	0.00	M	M	M	M	M	M	M	M
2012	1.50	M	0.00	0.00	0.00	0.00	0.00	0.00	M	M	0.10	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	0.00
2017	M	M	M	0.00	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	1.11	0.86	1.02	1.23	1.62	0.86	0.37	0.44	0.58	0.77	0.83	1.05

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2009	0.0	0.0	0.0	0.0	0.0	2.1	0.0	0.0	0.0	0.0	0.0	0.0
2010	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	2.6	3.4	3.4	0.0
2011	0.0	0.0	0.0	0.0	0.0	M	M	M	M	0.0	0.0	M
2012	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	M	M	0.0	0.0
2013	0.0	0.8	3.3	4.3	4.1	3.6	2.1	3.0	0.9	0.5	2.2	1.9
2014	2.0	3.5	3.8	2.0	0.0	0.0	0.0	0.0	0.0	0.2	1.3	0.9
2015	0.3	1.3	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2016	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2017	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
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	60.72	79.47	91.77	88.30	79.85	65.15	66.70	33.08
2009	38.73	43.11	50.15	56.90	61.79	83.73	88.99	85.01	82.69	56.38	50.33	27.40
2010	34.76	41.51	49.53	54.81	58.85	77.46	89.36	85.85	68.96	60.81	56.70	25.76
2011	36.62	42.31	45.11	44.71	47.18	77.40	M	71.16	58.35	52.62	42.12	27.85
2012	40.97	42.32	53.45	62.48	71.45	82.45	92.18	92.72	M	M	53.22	37.10
2013	23.23	38.11	54.04	59.32	69.32	81.50	94.07	89.42	77.00	62.44	52.53	32.21
2014	45.10	46.71	54.35	59.36	M	M	M	M	M	70.50	52.75	33.40
2015	43.73	54.56	32.00	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	-637.87	M
2017	M	M	M	-526.22	-637.87	-637.87	-637.87	-637.87	-637.87	-637.87	-637.87	-637.87
2018	-637.87	-637.87	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	51.10	39.26
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	39.20	43.79	54.50	59.40	69.50	80.79	92.30	90.60	81.10	65.90	48.60	38.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	41.30	45.99	54.96	54.47	43.92	33.03	44.20	12.74
2009	17.99	22.86	27.47	32.04	42.30	53.13	62.03	51.66	46.35	30.37	19.26	6.11
2010	18.67	24.56	27.07	31.54	35.27	47.67	57.08	52.07	42.74	35.44	34.62	20.60
2011	18.51	20.78	33.40	41.47	46.55	77.40	M	71.16	58.25	39.22	21.57	27.05
2012	16.85	19.85	26.91	34.64	38.24	45.81	56.59	57.25	M	M	27.00	19.89
2013	3.28	17.92	29.43	38.11	38.44	47.14	56.45	53.12	62.00	30.00	26.87	9.66
2014	20.80	27.86	27.90	32.07	M	M	M	M	M	47.50	28.83	16.30
2015	23.60	27.64	32.00	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	-637.87	M
2017	M	M	M	-542.17	-637.87	-637.87	-637.87	-637.87	-637.87	-637.87	-637.87	-637.87
2018	-637.87	-637.87	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	30.67	22.29
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	11.90	15.82	22.40	25.30	31.80	36.30	40.90	40.01	31.51	19.80	14.10	10.40

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	51.01	62.73	73.36	71.39	61.88	49.09	55.45	22.91
2009	28.36	32.99	38.81	44.47	52.04	68.43	75.51	68.34	64.52	43.37	34.79	16.75
2010	26.72	33.03	38.30	43.18	47.06	62.56	73.22	68.96	55.85	48.12	45.66	23.18
2011	27.56	31.55	39.25	43.09	46.87	77.40	M	71.16	58.30	45.92	31.85	27.45
2012	28.91	31.09	40.18	48.56	54.85	64.13	74.39	74.98	M	M	40.11	28.50
2013	13.25	28.02	41.73	48.72	53.88	64.32	75.26	71.27	69.50	46.22	39.70	20.93
2014	32.95	37.29	41.13	45.71	M	M	M	M	M	59.00	40.79	24.85
2015	33.67	41.10	32.00	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	-637.87	M
2017	M	M	M	-526.22	-637.87	-637.87	-637.87	-637.87	-637.87	-637.87	-637.87	-637.87
2018	-637.87	-637.87	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	40.89	30.78
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	25.55	29.80	38.45	42.35	50.65	58.54	66.60	65.30	56.30	42.85	31.35	24.60

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	59.8%	33.5%	24.2%	25.7%	27.4%	38.0%	38.8%	72.3%
2009	76.1%	69.7%	51.0%	49.8%	48.1%	27.1%	21.0%	25.5%	23.5%	50.2%	55.1%	78.3%
2010	80.4%	74.2%	59.5%	57.3%	49.5%	39.8%	26.2%	24.0%	45.6%	47.4%	57.5%	71.3%
2011	70.6%	60.0%	57.4%	66.7%	21.5%	M	M	M	M	43.6%	64.7%	M
2012	62.1%	64.9%	54.9%	44.4%	32.3%	23.6%	23.4%	27.0%	M	M	59.3%	70.1%
2013	77.8%	71.4%	52.8%	28.4%	38.0%	28.3%	26.7%	26.2%	51.7%	47.6%	57.1%	73.1%
2014	65.4%	61.7%	54.3%	51.2%	M	M	M	M	M	M	43.6%	66.7%
2015	71.1%	54.6%	100.0%	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	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%
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