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 (USC00247159) 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	0.38
2011	0.55	0.88	0.77	1.57	4.04	3.69	0.74	0.55	0.61	2.05	0.81	0.43
2012	0.95	0.78	0.97	0.80	2.28	1.85	0.46	0.53	0.01	1.50	1.21	M
2013	0.83	0.66	0.48	1.73	2.69	3.09	0.40	0.85	1.77	0.97	0.45	0.66
2014	1.47	1.47	1.62	1.56	0.84	2.46	0.89	3.75	1.59	1.30	1.98	1.57
2015	0.51	0.77	0.50	0.63	4.31	0.41	1.71	0.31	2.69	1.30	1.33	0.77
2016	0.28	0.06	0.84	1.92	3.22	0.77	0.97	1.05	3.41	2.10	0.01	1.27
2017	0.78	1.32	0.82	1.92	4.00	2.66	0.32	0.16	3.12	1.71	1.27	4.62
2018	0.62	3.00	1.31	1.44	3.74	5.51	0.52	0.79	0.95	1.60	0.75	0.41
2019	1.45	2.74	1.50	1.89	4.96	2.76	1.52	0.94	3.90	2.18	1.32	0.09
2020	0.34	0.75	0.93	1.26	2.60	4.93	0.32	0.48	1.44	1.81	0.86	0.24
2021	0.60	0.46	0.89	1.45	3.65	1.68	0.60	1.79	0.05	0.38	0.59	1.08
2022	0.28	0.42	1.94	2.30	0.68	2.30	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	0.64	0.78	0.88	1.77	2.99	3.06	1.23	1.24	1.65	1.37	0.75	0.76

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	34.23
2011	36.93	28.32	39.66	47.44	58.07	68.63	81.27	84.67	76.45	58.52	40.32	38.26
2012	35.04	36.34	46.25	58.21	60.86	71.83	86.27	84.42	76.73	56.16	44.97	M
2013	37.84	38.93	47.03	48.63	63.90	71.27	84.71	83.77	71.30	53.03	43.93	32.00
2014	39.58	24.29	42.32	53.10	64.03	68.70	83.74	78.71	68.97	62.35	37.00	37.55
2015	38.77	40.50	53.29	55.80	59.74	79.03	79.84	82.52	72.40	60.48	37.90	34.45
2016	38.42	47.97	49.65	58.57	61.26	77.60	81.55	79.87	66.73	54.65	52.70	22.45
2017	27.10	37.54	48.87	53.87	66.45	74.07	89.81	82.26	67.31	53.58	41.13	28.84
2018	38.06	25.93	43.65	52.07	66.77	69.40	81.97	78.68	65.23	53.23	42.66	35.81
2019	39.26	12.00	38.23	51.10	57.39	70.63	78.90	79.84	64.37	46.48	40.20	39.94
2020	37.19	38.62	41.16	50.80	62.10	69.27	80.77	82.90	73.73	52.48	44.03	41.35
2021	38.83	18.75	47.03	51.60	58.90	77.80	87.97	77.42	74.27	58.26	49.30	29.48
2022	37.55	33.46	46.77	46.37	58.97	70.13	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	35.70	36.90	45.30	53.20	62.30	70.60	81.50	80.70	70.11	55.29	42.10	34.40

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	16.92
2011	18.38	9.20	20.76	27.30	36.63	44.27	48.90	51.37	42.24	37.24	23.64	21.30
2012	18.19	17.72	27.62	34.07	36.72	45.76	52.43	48.13	41.13	28.90	29.17	M
2013	19.74	22.64	21.45	26.67	39.58	45.13	51.58	49.84	45.57	30.35	26.10	12.06
2014	18.58	4.75	22.35	32.50	38.48	43.97	52.45	50.94	40.47	35.87	16.07	20.68
2015	19.52	19.04	30.81	30.03	37.61	48.03	51.42	48.90	43.40	36.23	19.97	20.77
2016	22.03	29.28	27.00	32.90	38.68	45.20	49.55	47.52	41.87	36.19	32.73	3.68
2017	7.32	14.68	27.29	32.53	39.58	46.47	53.48	49.65	39.86	31.52	23.90	7.90
2018	19.97	-0.43	18.71	26.07	44.10	47.57	49.23	47.00	38.93	31.16	23.17	19.65
2019	18.29	-10.50	11.45	30.97	38.19	48.30	49.55	49.03	41.57	25.32	21.23	25.87
2020	18.68	16.31	17.30	27.43	39.03	46.97	49.26	49.58	40.73	28.55	28.77	24.68
2021	20.90	-1.11	23.84	30.40	34.45	48.57	54.74	49.45	45.67	33.87	31.07	6.97
2022	16.86	10.14	25.06	23.50	38.26	45.63	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	17.30	16.27	22.99	29.89	38.40	45.50	50.51	48.90	40.70	32.20	24.61	17.50

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	25.58
2011	27.92	18.76	30.21	37.37	47.35	56.45	65.08	68.02	59.34	47.88	31.98	29.78
2012	26.61	27.03	36.94	46.14	48.79	58.79	69.35	66.27	58.93	42.53	37.07	M
2013	28.79	30.79	34.24	37.65	51.74	58.20	68.15	66.81	58.43	41.69	35.02	22.03
2014	29.08	14.52	32.34	42.80	51.26	56.33	68.10	64.82	54.72	49.11	26.53	29.11
2015	29.15	29.77	42.05	42.92	48.68	63.53	65.63	65.71	57.90	48.35	28.93	27.61
2016	30.23	38.62	38.32	45.73	49.97	61.40	65.55	63.69	54.30	45.42	42.72	13.06
2017	17.21	26.11	38.08	43.20	53.02	60.27	71.65	65.95	53.59	42.55	32.52	18.37
2018	29.02	12.75	31.18	39.07	55.44	58.48	65.60	62.84	52.08	42.19	32.84	27.73
2019	28.77	0.75	24.84	41.03	47.79	59.47	64.23	64.44	52.97	35.90	30.72	32.90
2020	27.94	27.47	29.45	39.12	50.56	58.12	65.02	66.24	57.23	40.52	36.40	33.02
2021	29.70	8.82	35.44	41.00	46.68	63.18	71.35	63.44	59.97	46.06	40.18	18.23
2022	27.28	21.80	35.92	34.93	48.50	57.88	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	26.50	26.58	34.15	41.55	50.35	58.05	66.00	64.80	55.40	43.75	33.36	25.95

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