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 (USC00390236) 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
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
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	0.46	0.65	1.25	1.95	2.96	2.98	2.24	1.71	1.40	1.43	0.52	0.56

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	13.4
2006	12.0	12.8	13.5	14.6	11.9	11.0	11.3	11.3	12.4	11.9	11.9	12.0
2007	13.2	12.4	14.0	13.1	13.3	13.8	12.1	11.7	13.9	13.9	11.7	10.9
2008	13.3	12.2	13.5	13.9	15.4	M	M	M	10.0	13.5	12.7	11.4
2009	M	12.5	9.4	M	M	9.7	9.6	11.0	M	M	M	M
2010	M	M	M	M	M	M	M	M	3.3	4.4	6.7	11.3
2011	11.9	14.4	12.8	15.3	14.7	13.8	10.7	10.5	10.3	11.4	11.9	11.2
2012	13.4	12.9	14.1	13.7	12.8	13.4	11.4	11.4	11.5	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	3.1	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
2005	M	M	M	M	M	M	M	M	M	M	14.90	33.96
2006	47.27	36.14	43.67	62.02	69.35	84.62	90.34	83.91	68.68	56.30	46.19	38.44
2007	31.93	33.48	56.21	53.63	70.43	81.26	65.03	57.08	40.71	33.78	50.13	28.97
2008	29.39	36.92	45.19	63.72	56.58	M	M	M	70.86	54.31	45.64	29.53
2009	M	33.02	42.04	M	M	78.37	81.47	81.14	M	M	M	M
2010	M	M	M	M	M	M	M	M	76.00	66.61	40.51	36.02
2011	29.79	31.78	42.07	54.22	59.89	75.38	91.91	88.62	75.38	62.55	47.40	37.70
2012	41.41	38.38	61.90	64.36	70.80	87.14	95.10	92.24	84.52	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	24.96	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	38.70	42.38	54.00	61.90	70.99	82.10	90.79	89.80	80.20	65.30	50.49	39.49

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	14.90	18.26
2006	26.79	15.74	24.76	38.56	45.21	58.47	65.67	66.94	45.90	34.55	29.64	22.62
2007	15.49	14.19	31.87	32.65	45.79	54.27	29.96	20.44	7.19	4.54	27.28	13.51
2008	11.74	18.04	25.92	35.10	36.32	M	M	M	57.73	37.31	28.73	10.68
2009	M	21.17	24.80	M	M	57.02	58.21	60.56	M	M	M	M
2010	M	M	M	M	M	M	M	M	48.20	41.02	23.71	18.01
2011	12.95	12.12	23.43	33.44	40.70	47.48	64.76	60.97	47.68	40.29	26.11	18.62
2012	20.73	19.57	36.43	38.05	44.67	57.19	65.47	60.91	53.91	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	0.25	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	8.60	11.75	21.51	29.70	40.71	50.10	56.31	54.10	43.60	30.50	18.30	9.01

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	14.90	26.11
2006	37.03	25.94	34.21	50.29	57.28	71.55	78.00	75.43	57.29	45.43	37.92	30.53
2007	23.71	23.83	44.04	43.14	58.11	67.77	47.50	38.76	23.95	19.16	38.71	21.24
2008	20.57	27.48	35.56	49.41	46.45	M	M	M	64.29	45.81	37.18	20.11
2009	M	27.09	33.42	M	M	67.69	69.84	70.85	M	M	M	M
2010	M	M	M	M	M	M	M	M	62.10	53.81	32.11	27.01
2011	21.37	21.95	32.75	43.83	50.30	61.43	78.34	74.79	61.53	51.42	36.76	28.16
2012	31.07	28.97	49.16	51.20	57.73	72.17	80.29	76.57	69.21	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	12.61	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	23.65	27.06	37.75	45.80	55.85	66.10	73.55	71.95	61.90	47.90	34.40	24.25

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
2005	M	M	M	M	M	M	M	M	M	M	M	66.0%
2006	49.5%	59.2%	65.9%	53.5%	54.3%	46.0%	41.4%	46.0%	56.9%	56.8%	53.8%	57.2%
2007	63.6%	66.9%	52.0%	58.0%	52.7%	45.3%	45.2%	50.4%	45.5%	54.9%	52.6%	75.2%
2008	69.8%	74.5%	61.9%	45.7%	70.2%	M	M	M	51.1%	61.6%	63.7%	64.7%
2009	M	76.6%	60.7%	M	M	59.0%	55.5%	52.3%	M	M	M	M
2010	M	M	M	M	M	M	M	M	52.7%	51.6%	70.6%	71.5%
2011	75.2%	63.5%	72.7%	66.2%	70.8%	57.2%	41.0%	55.6%	51.6%	54.4%	57.1%	67.4%
2012	58.7%	70.1%	38.9%	53.9%	52.3%	48.1%	46.4%	39.0%	36.8%	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