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 (USC00422389) 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
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	0.00
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
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.40	2.85	2.64	2.79	2.75	1.89	0.90	0.97	1.70	2.95	2.49	2.96

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	16.5	17.9	20.5	16.0	13.3	16.6	M	M	7.4	M	M	M
2010	15.7	12.8	16.6	19.0	16.4	16.4	12.7	18.0	17.9	25.4	15.7	18.3
2011	14.8	20.7	20.6	17.9	15.4	15.9	15.5	13.4	13.4	M	21.0	16.7
2012	18.8	16.8	23.5	17.7	14.7	17.2	14.9	M	11.4	13.4	12.6	19.4
2013	14.9	14.1	16.2	17.1	M	M	M	M	M	13.6	18.0	12.1
2014	14.8	16.5	16.1	14.5	12.9	11.2	11.3	11.4	13.4	17.2	15.1	13.7
2015	10.4	15.4	11.8	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
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
2009	26.25	26.19	29.34	36.03	49.41	53.60	M	M	62.78	M	M	M
2010	23.64	22.82	30.40	35.69	38.45	55.43	69.03	63.86	59.17	34.35	28.50	25.59
2011	23.15	21.85	28.17	31.05	39.00	54.81	66.25	68.80	59.18	M	30.29	24.42
2012	26.86	22.62	34.83	41.78	49.03	62.76	71.64	M	58.95	43.19	35.26	21.69
2013	24.08	21.68	31.91	39.23	M	M	M	M	M	39.36	33.42	21.90
2014	27.05	26.17	31.68	36.32	49.24	58.34	70.27	61.84	60.27	46.94	30.39	25.31
2015	30.49	34.44	16.92	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
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	33.00	37.59	48.70	56.19	66.40	77.30	87.20	85.80	75.90	62.79	46.90	34.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	15.04	16.22	18.65	24.64	37.06	39.75	M	M	56.02	M	M	M
2010	15.76	14.81	19.03	23.47	26.43	42.43	53.81	50.63	45.35	29.86	17.88	16.98
2011	13.34	10.84	18.01	19.26	28.34	41.78	53.58	55.76	46.82	M	20.44	14.16
2012	15.48	13.35	23.62	28.17	35.98	46.12	57.91	M	48.11	32.69	26.25	12.61
2013	12.87	10.84	19.97	29.21	M	M	M	M	M	29.31	23.60	11.18
2014	16.16	16.77	20.43	24.53	36.70	44.49	56.47	49.75	47.15	34.77	20.86	17.54
2015	21.45	26.94	10.19	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
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	15.20	17.70	26.01	32.49	38.80	45.20	51.91	51.10	42.00	32.31	24.70	16.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	20.65	21.20	23.99	30.33	43.24	46.67	M	M	59.40	M	M	M
2010	19.70	18.82	24.72	29.58	32.44	48.93	61.42	57.25	52.26	32.10	23.19	21.29
2011	18.24	16.34	23.09	25.15	33.67	48.29	59.92	62.28	53.00	M	25.36	19.29
2012	21.17	17.99	29.22	34.98	42.50	54.44	64.78	M	53.53	37.94	30.75	17.15
2013	18.47	16.26	25.94	34.22	M	M	M	M	M	34.33	28.51	16.54
2014	21.61	21.47	26.06	30.43	42.97	51.42	63.37	55.79	53.71	40.86	25.62	21.42
2015	25.97	30.69	13.56	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
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	24.10	27.64	37.35	44.34	52.60	61.25	69.55	68.45	58.95	47.55	35.80	25.25

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
2009	89.3%	77.8%	69.4%	75.3%	56.1%	65.8%	M	M	20.8%	M	M	M
2010	87.4%	87.7%	74.0%	70.8%	74.6%	58.0%	37.3%	41.8%	35.0%	64.7%	80.2%	88.4%
2011	89.6%	81.7%	86.3%	84.1%	76.8%	53.6%	46.7%	39.3%	49.2%	M	69.2%	68.6%
2012	70.5%	86.7%	65.3%	61.3%	49.3%	31.6%	35.4%	M	40.6%	52.6%	66.0%	85.4%
2013	65.3%	83.4%	71.6%	77.8%	M	M	M	M	M	66.9%	62.9%	74.4%
2014	63.8%	85.0%	71.8%	67.7%	52.2%	40.0%	39.2%	57.6%	45.7%	45.7%	71.4%	83.4%
2015	74.2%	70.7%	96.1%	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
2025	M	M	M	M	M	M	M	M	M	M	M	M