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 (USC00248239) 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
2010	M	M	M	M	M	M	M	M	M	M	M	0.92
2011	0.40	0.79	0.54	2.89	5.46	3.32	0.95	0.65	0.19	1.02	0.58	0.72
2012	0.72	0.63	1.14	1.03	1.86	1.09	2.34	0.59	0.00	1.00	1.41	0.55
2013	0.19	0.24	0.22	1.10	3.40	2.33	0.73	2.02	3.81	2.36	0.11	0.74
2014	1.23	2.48	2.50	0.27	1.96	4.42	0.38	3.71	0.52	0.33	1.36	1.85
2015	0.60	0.96	0.44	1.43	5.24	1.43	2.62	0.78	1.42	1.98	2.25	2.27
2016	0.48	0.03	0.66	1.97	3.57	1.55	1.45	1.13	1.48	1.73	0.01	1.51
2017	0.95	1.21	0.82	1.34	2.87	3.11	0.47	0.00	3.18	0.97	1.38	1.19
2018	0.57	1.97	1.24	3.21	3.05	5.71	0.16	0.53	0.78	1.31	0.38	0.26
2019	1.49	2.37	0.40	1.81	2.46	0.68	1.31	1.32	3.63	1.65	1.10	0.00
2020	0.29	0.50	0.89	1.37	1.45	5.21	0.00	0.14	0.74	3.95	0.39	0.08
2021	0.12	0.78	0.57	M	3.28	M	0.18	0.59	M	M	M	M
2022	0.24	M	0.00	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	0.80	0.84	1.04	2.03	2.76	3.13	1.39	1.31	1.42	1.34	0.93	0.86

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	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
2010	M	M	M	M	M	M	M	M	M	M	M	31.91
2011	36.53	29.52	43.87	48.26	56.26	66.23	83.52	84.13	76.77	58.10	41.50	35.93
2012	38.13	36.72	49.03	58.23	62.13	73.53	85.57	84.29	74.80	53.87	44.93	33.74
2013	34.68	39.25	46.84	50.07	63.03	71.57	86.45	83.63	71.73	52.48	45.93	31.03
2014	39.81	24.50	42.03	51.95	64.13	68.50	82.36	77.93	71.23	62.26	39.47	36.48
2015	36.97	43.25	51.87	54.53	58.77	80.87	78.52	82.13	72.53	62.26	41.40	32.94
2016	36.10	45.31	48.16	57.93	58.90	78.00	81.92	80.13	62.80	56.32	52.80	22.19
2017	28.42	35.18	48.83	54.14	64.17	72.79	88.14	82.44	66.70	64.71	39.90	30.06
2018	35.77	29.21	44.13	51.20	66.26	69.93	81.74	83.33	68.70	52.94	41.40	35.76
2019	37.48	18.07	17.00	53.58	57.16	71.73	81.10	80.48	69.57	49.61	44.07	38.38
2020	36.84	38.45	42.16	52.80	63.26	65.67	80.97	85.71	72.27	54.58	44.93	40.35
2021	38.35	26.46	46.81	51.40	60.54	80.00	89.32	81.43	71.75	59.89	M	M
2022	38.00	M	49.03	45.78	59.42	71.23	84.81	87.50	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	35.40	36.20	45.51	53.90	62.20	70.50	81.40	81.69	71.00	55.90	42.61	33.41

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	11.57
2011	15.93	4.59	18.26	22.19	31.19	37.97	41.97	42.87	34.87	30.29	16.87	11.62
2012	15.16	13.93	23.29	28.67	31.39	39.60	46.32	42.06	34.40	25.55	23.23	11.65
2013	12.00	15.36	17.58	21.11	34.07	39.80	44.39	43.37	39.07	22.74	20.93	10.00
2014	15.58	0.93	16.23	25.19	30.90	36.37	45.73	44.78	35.31	30.74	14.27	12.13
2015	11.84	16.89	22.00	24.33	34.06	42.90	46.26	41.84	36.50	30.77	16.73	11.35
2016	14.16	20.34	22.45	28.66	33.47	39.44	43.08	38.74	36.17	31.39	24.63	1.13
2017	0.84	10.96	23.50	26.39	31.37	39.03	45.66	41.81	34.70	28.00	17.72	5.81
2018	12.35	0.82	17.10	20.90	36.97	42.23	41.35	41.14	32.90	26.68	17.40	14.33
2019	8.03	-6.19	-19.56	26.54	30.94	39.50	42.10	43.81	38.80	19.65	14.73	18.10
2020	15.74	14.55	16.97	21.87	33.65	38.23	40.00	46.14	31.24	19.25	19.13	15.87
2021	17.42	4.07	18.52	23.67	28.75	38.73	41.08	46.94	33.38	31.21	M	M
2022	21.00	M	23.45	20.33	32.97	41.27	46.61	48.19	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	10.31	11.25	18.09	25.00	32.51	39.00	44.40	42.70	35.30	26.40	18.90	10.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	21.74
2011	26.23	17.06	31.06	35.22	43.73	52.10	62.74	63.50	55.82	44.19	29.18	23.78
2012	26.65	25.33	36.16	43.45	46.76	56.57	65.95	63.18	54.60	39.71	34.08	22.69
2013	23.34	27.30	32.21	35.59	48.55	55.68	65.42	63.50	55.40	37.61	33.43	20.52
2014	27.69	12.71	29.13	38.57	47.52	52.43	64.05	61.35	53.27	46.50	26.87	24.31
2015	24.40	30.07	36.94	39.43	46.42	61.88	62.39	61.98	54.52	46.52	29.07	22.15
2016	25.13	32.83	35.31	43.29	46.18	58.72	62.50	59.44	49.48	43.85	38.72	11.66
2017	14.63	23.07	36.17	40.27	47.77	55.91	66.90	62.13	50.70	46.35	28.81	17.94
2018	24.06	15.02	30.61	36.05	51.61	56.08	61.55	62.24	50.80	39.81	29.40	25.05
2019	22.76	5.94	-1.28	40.06	44.05	55.62	61.60	62.15	54.18	34.63	29.40	28.24
2020	26.29	26.50	29.56	37.33	48.45	51.95	60.63	65.93	50.62	34.44	32.03	28.11
2021	27.89	15.27	32.66	37.53	44.65	59.37	65.10	64.08	52.56	45.55	M	M
2022	29.50	M	36.24	33.06	46.19	56.25	65.71	67.85	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	22.85	23.72	31.80	39.45	47.35	54.75	62.90	62.20	53.15	41.15	30.75	21.85

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
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