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 (USC00057582) 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	0.75	3.79	2.48	0.65	1.74	0.11	0.42
2010	0.24	0.65	1.21	1.16	2.78	0.82	5.74	2.12	0.63	0.31	0.05	0.00
2011	0.07	0.01	0.57	1.19	1.42	2.27	3.28	2.06	0.68	0.31	0.29	0.07
2012	0.06	0.27	0.57	3.03	0.51	1.04	1.00	1.29	0.57	0.35	0.00	0.15
2013	0.01	0.26	0.34	0.15	1.57	0.96	2.27	4.80	1.81	0.89	0.02	0.01
2014	0.27	0.26	0.10	0.82	0.82	0.00	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	0.30	0.43	0.66	1.46	2.17	2.41	3.00	2.62	1.02	1.36	0.41	0.44

Average Wind Speed [MPH]

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	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	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	M	M	M	M	M	88.92	87.83	86.34	77.21	57.44	57.39	37.30
2010	44.92	40.99	56.63	66.57	73.72	88.65	90.54	89.83	85.61	71.61	56.61	48.47
2011	43.90	47.24	58.25	67.24	74.56	89.40	95.93	93.00	79.17	70.68	56.21	39.80
2012	49.66	47.65	67.82	69.98	79.47	94.57	97.35	91.37	82.69	66.17	63.02	45.78
2013	46.57	47.65	57.09	61.42	77.39	91.15	90.81	88.22	82.44	65.88	55.29	44.54
2014	44.48	39.40	57.13	66.54	77.35	90.32	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	44.19	47.54	56.61	65.00	75.50	86.99	92.40	89.19	82.20	68.78	54.70	45.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	56.08	58.09	54.98	46.43	29.21	22.24	5.85
2010	11.87	15.16	23.38	34.89	42.75	56.43	61.51	58.62	49.11	34.22	15.42	12.86
2011	4.26	6.07	21.95	31.53	37.68	54.90	62.68	60.80	45.02	30.82	15.48	6.10
2012	11.61	14.05	25.26	38.39	43.86	56.97	61.28	55.03	44.12	30.01	17.42	6.12
2013	6.96	10.74	19.34	26.67	41.87	54.18	59.64	59.26	52.00	31.33	16.66	4.90
2014	5.28	11.86	18.92	31.60	41.52	63.86	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	13.70	18.02	26.09	34.50	45.50	56.70	62.20	60.80	52.00	37.20	25.69	15.70

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	M	M	M	M	M	72.50	72.96	70.66	61.82	43.33	39.82	21.58
2010	28.40	28.08	40.00	50.73	58.23	72.54	76.03	74.23	67.36	52.92	36.01	30.66
2011	24.08	26.65	40.10	49.39	56.12	72.15	79.30	76.90	62.09	50.75	35.85	22.95
2012	30.63	30.85	46.54	54.19	61.67	75.77	79.31	73.20	63.40	48.09	40.22	25.95
2013	26.76	29.20	38.22	44.04	59.63	72.67	75.23	73.74	67.22	48.60	35.98	24.72
2014	24.88	25.63	38.02	49.07	59.43	77.09	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	28.95	32.78	41.35	49.75	60.50	71.85	77.30	75.00	67.10	52.99	40.20	30.49

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	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