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 (USC00181530) 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
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
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
2024	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.77	3.14	4.43	4.02	4.88	4.21	3.71	4.03	5.32	4.09	3.66	3.49

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	0.4	0.3	0.4	1.3	1.5
2007	1.5	1.4	1.6	2.1	0.7	0.2	0.3	0.2	0.3	0.3	1.0	1.4
2008	1.5	1.5	1.8	2.0	0.8	0.5	0.4	0.5	0.6	0.8	1.3	1.6
2009	1.0	1.8	1.6	1.9	0.4	0.2	0.2	0.1	0.1	0.1	1.2	1.4
2010	2.1	2.1	1.4	0.6	0.1	0.0	0.0	0.0	0.0	0.2	1.6	2.1
2011	1.5	1.8	2.0	2.1	0.7	0.2	0.2	0.3	0.1	0.7	1.3	1.3
2012	1.7	1.5	1.5	1.4	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
2024	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
2006	M	M	M	M	M	M	M	78.68	65.83	57.94	52.34	46.19
2007	40.70	30.24	49.99	56.41	72.44	75.78	78.58	75.19	71.64	65.96	48.22	38.57
2008	37.99	38.98	49.40	61.71	65.99	78.48	78.93	76.18	70.43	58.15	45.95	39.37
2009	29.65	40.42	48.21	61.34	68.05	72.07	75.19	76.42	66.48	59.29	51.25	36.25
2010	30.75	33.50	52.26	65.60	68.73	77.88	82.78	78.43	72.34	60.52	50.10	32.14
2011	31.11	40.27	47.04	61.92	65.25	75.22	83.63	77.68	68.86	57.84	54.27	44.26
2012	40.40	43.17	59.30	61.95	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
2024	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	38.90	42.52	51.80	65.20	73.09	79.80	83.60	81.30	74.90	65.10	53.49	42.99

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	62.68	52.75	43.10	37.98	30.05
2007	27.00	16.24	28.93	38.24	50.17	58.15	60.75	62.63	54.86	50.86	33.66	28.07
2008	23.95	26.41	30.92	42.37	46.59	60.21	62.90	58.17	55.45	41.73	33.66	25.47
2009	17.99	23.52	30.49	40.87	50.99	57.76	59.25	63.24	54.42	44.17	37.59	24.23
2010	19.28	21.14	35.01	41.89	52.47	61.84	64.09	63.14	55.34	45.01	33.51	20.67
2011	17.77	22.41	30.43	43.65	49.60	61.62	65.47	61.80	58.07	43.76	36.58	29.61
2012	24.46	27.92	39.19	39.95	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
2024	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	23.00	24.60	31.40	42.31	52.10	60.20	64.71	63.31	57.50	46.21	35.89	28.21

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	70.68	59.29	50.52	45.16	38.12
2007	33.85	23.24	39.46	47.33	61.31	66.96	69.66	68.91	63.25	58.41	40.94	33.32
2008	30.97	32.69	40.16	52.04	56.29	69.34	70.91	67.18	62.94	49.94	39.81	32.42
2009	23.82	31.97	39.35	51.11	59.52	64.91	67.22	69.83	60.45	51.73	44.42	30.24
2010	25.02	27.32	43.63	53.74	60.60	69.86	73.43	70.79	63.84	52.76	41.80	26.40
2011	24.44	31.34	38.74	52.78	57.42	68.42	74.55	69.74	63.46	50.80	45.43	36.93
2012	32.43	35.55	49.25	50.95	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
2024	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	30.95	33.56	41.60	53.76	62.60	70.00	74.15	72.31	66.20	55.65	44.69	35.60

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
2006	M	M	M	M	M	M	M	77.6%	90.1%	87.4%	88.1%	83.4%
2007	84.3%	78.5%	78.9%	77.3%	78.1%	90.4%	86.1%	93.8%	88.0%	89.4%	84.8%	90.2%
2008	79.5%	88.4%	77.8%	79.8%	82.0%	87.0%	89.1%	86.7%	92.0%	84.6%	84.2%	85.1%
2009	81.8%	76.6%	76.7%	73.8%	85.5%	92.0%	89.5%	94.5%	93.9%	91.2%	85.8%	83.5%
2010	79.7%	84.0%	76.3%	70.9%	86.3%	88.5%	85.0%	90.0%	85.5%	82.4%	73.5%	69.0%
2011	72.7%	67.6%	65.9%	73.6%	78.1%	79.6%	74.5%	78.3%	89.3%	78.6%	72.3%	76.0%
2012	69.7%	68.8%	66.0%	57.5%	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
2024	M	M	M	M	M	M	M	M	M	M	M	M