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 (USC00422057) 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
2011	M	M	M	M	M	M	M	M	M	M	0.13	0.02
2012	0.23	0.24	0.22	0.11	0.07	0.00	0.03	0.00	0.06	0.03	0.14	0.39
2013	0.11	0.03	0.01	0.12	0.07	0.00	0.09	0.00	0.11	0.04	0.09	0.13
2014	0.12	0.37	0.13	0.08	0.04	0.01	0.01	0.04	0.00	0.00	0.08	0.06
2015	0.16	0.02	0.02	0.06	0.28	0.00	0.02	0.06	0.00	0.00	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
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.08	2.36	1.83	1.60	2.06	1.06	0.66	1.08	1.40	2.03	1.79	2.79

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	M	M	M	M	M	M	0.0	0.0
2012	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2013	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2014	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2015	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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
2025	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
2011	M	M	M	M	M	M	M	M	M	M	38.14	29.32
2012	33.63	30.91	43.43	50.63	60.26	72.30	77.18	79.25	67.34	50.58	42.48	28.45
2013	25.76	28.00	41.54	43.80	57.98	72.82	78.39	77.22	58.30	47.53	39.23	27.12
2014	32.17	33.90	40.85	45.87	58.49	68.59	78.67	69.72	63.09	51.75	37.46	31.45
2015	34.41	39.09	46.10	48.65	54.34	75.48	72.88	74.93	68.64	56.84	46.82	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
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	34.70	39.46	49.49	57.20	66.50	77.19	85.90	84.40	75.41	62.60	48.20	36.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	M	M	M	M	M	M	27.69	18.97
2012	21.99	19.12	30.23	34.80	42.37	52.96	59.86	60.36	51.26	38.03	32.68	19.53
2013	16.04	17.44	28.36	28.87	41.33	52.77	59.62	59.53	44.31	35.43	28.92	16.13
2014	21.69	23.75	26.88	31.77	43.11	49.77	60.07	55.89	52.26	41.56	27.05	22.59
2015	24.89	27.49	32.61	32.62	40.26	56.87	55.41	57.76	52.99	44.13	34.52	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
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	12.60	15.52	23.51	29.70	36.50	42.60	49.20	48.59	40.41	30.90	22.89	15.09

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	M	M	M	M	M	M	32.91	24.15
2012	27.81	25.01	36.83	42.71	51.31	62.63	68.52	69.81	59.30	44.30	37.58	23.99
2013	20.90	22.72	34.95	36.34	49.66	62.79	69.01	68.38	51.30	41.48	34.07	21.63
2014	26.93	28.82	33.86	38.82	50.80	59.18	69.37	62.80	57.68	46.66	32.25	27.02
2015	29.65	33.29	39.36	40.63	47.30	66.18	64.14	66.35	60.82	50.49	40.67	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
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	23.65	27.49	36.50	43.45	51.50	59.89	67.55	66.50	57.91	46.75	35.55	25.69

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
2011	M	M	M	M	M	M	M	M	M	M	54.4%	61.8%
2012	57.1%	73.8%	52.3%	50.2%	37.5%	27.3%	44.3%	36.0%	40.4%	42.2%	54.6%	73.7%
2013	66.1%	64.4%	53.5%	55.8%	47.6%	28.3%	42.6%	33.8%	60.4%	59.0%	58.1%	68.3%
2014	56.8%	66.8%	53.4%	51.2%	42.8%	34.8%	40.0%	55.7%	52.3%	43.1%	56.4%	72.1%
2015	69.6%	55.0%	48.6%	47.9%	65.0%	35.5%	41.1%	40.8%	35.4%	54.9%	44.3%	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
2025	M	M	M	M	M	M	M	M	M	M	M	M