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 (USC00273530) 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	M
2011	M	M	M	M	M	3.07	5.03	12.35	3.26	M	M	M
2012	M	0.02	0.24	1.78	21.04	0.44	2.69	0.33	1.72	0.94	M	M
2013	M	M	0.02	0.96	3.24	4.58	3.22	3.40	2.83	0.74	1.21	0.52
2014	0.01	M	M	0.01	3.52	3.31	3.45	1.56	0.40	1.57	M	M
2015	M	M	1.32	0.68	1.88	2.78	1.12	2.31	3.52	1.18	0.50	0.28
2016	M	M	0.14	1.46	2.79	2.18	2.01	15.50	1.34	0.73	10.81	M
2017	M	M	M	0.43	3.23	2.27	1.91	2.49	2.36	3.85	0.31	M
2018	M	M	M	1.90	1.16	2.09	2.66	2.21	2.40	1.38	M	M
2019	M	M	M	0.88	5.13	2.58	4.32	2.90	2.02	4.21	0.06	M
2020	M	M	M	3.56	2.55	1.69	2.11	1.66	0.28	4.79	0.09	M
2021	M	M	0.04	3.18	1.27	1.76	4.32	2.43	4.00	3.10	0.96	M
2022	M	M	0.94	1.73	2.46	1.84	2.52	2.48	1.74	2.50	2.49	0.05
2023	M	M	M	0.86	2.40	1.71	1.65	0.13	0.01	0.37	0.00	M
2024	M	M	M	M	M	0.01	0.23	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	2.93	2.65	3.05	3.20	3.18	4.21	3.89	3.32	3.23	4.51	3.11	2.98

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
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
2010	M	M	M	M	M	M	M	M	M	M	M	35.10
2011	61.70	M	43.87	54.85	71.20	78.05	85.20	79.90	73.89	58.69	51.53	40.79
2012	29.54	38.60	54.03	60.83	69.66	82.07	84.80	83.34	70.70	60.27	43.71	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	77.21	71.46	59.41	45.12	M
2015	M	M	41.81	54.36	79.35	74.55	81.60	81.20	74.35	55.12	48.78	36.58
2016	M	M	46.60	53.51	68.20	76.93	81.35	80.18	71.03	56.63	52.95	M
2017	M	M	M	67.10	67.50	78.93	81.08	79.15	75.51	67.61	45.86	M
2018	M	M	M	61.47	79.24	78.03	84.89	80.31	72.64	52.87	42.18	M
2019	M	M	M	55.35	65.64	77.83	85.20	80.01	70.45	58.34	37.40	M
2020	M	M	M	54.59	72.51	81.23	86.29	81.60	74.58	59.19	54.04	M
2021	M	M	57.31	60.18	70.82	82.97	76.35	81.54	73.03	62.83	45.31	33.67
2022	M	M	49.45	56.39	76.73	78.91	85.42	84.68	70.24	62.19	50.51	44.41
2023	M	M	M	63.89	80.16	76.15	83.05	75.83	72.82	60.95	43.06	M
2024	M	M	43.45	54.05	70.77	77.77	83.33	75.65	71.65	59.37	48.39	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	29.09	32.01	40.19	54.31	65.70	75.20	79.50	77.79	70.80	58.00	45.40	34.00

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	-58.50
2011	-17.60	M	20.54	32.07	45.75	50.39	56.12	54.56	49.62	37.31	25.92	21.95
2012	13.42	14.45	25.38	30.91	42.12	53.21	55.76	50.55	43.32	37.62	26.09	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	51.15	44.33	39.62	25.97	M
2015	M	M	20.46	28.96	42.75	49.40	54.92	54.36	48.09	33.54	28.75	27.45
2016	M	M	28.43	27.49	-108.40	26.61	-210.70	-212.12	-108.92	-11.13	-411.31	M
2017	M	M	M	36.97	3.78	-27.98	-173.16	-96.79	-69.72	-0.70	-206.98	M
2018	M	M	M	-233.11	-135.80	-328.67	-23.90	-247.40	-28.65	-130.68	-365.80	M
2019	M	M	M	-66.31	-33.77	50.09	57.09	51.69	43.45	34.45	21.04	M
2020	M	M	M	29.17	39.83	50.31	60.52	53.32	43.05	34.41	28.15	M
2021	M	M	50.09	30.57	41.13	52.10	56.31	58.18	48.01	41.08	23.69	10.23
2022	M	M	25.84	31.21	43.57	50.02	16.64	18.48	46.08	33.93	25.30	22.49
2023	M	M	M	39.70	-0.13	52.22	60.53	53.44	51.18	41.11	17.88	M
2024	M	M	26.99	32.93	48.07	54.72	22.37	56.29	47.23	36.19	30.69	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	7.20	7.34	17.10	28.30	39.90	49.50	54.10	53.21	44.70	32.80	25.30	15.00

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	M
2011	M	M	32.21	43.46	58.48	64.22	70.66	67.23	61.75	48.00	38.72	31.37
2012	21.35	26.67	39.56	46.10	55.46	67.64	70.33	66.25	56.57	48.99	34.90	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	64.18	57.90	49.51	35.54	M
2015	M	M	31.13	41.66	61.05	61.97	68.26	67.78	61.22	44.33	38.76	32.02
2016	M	M	37.51	40.50	-3.18	51.77	-64.68	-55.01	-1.45	22.75	-172.41	M
2017	M	M	M	52.04	35.64	25.48	-30.20	11.03	21.07	33.45	-47.00	M
2018	M	M	M	-85.82	-1.94	-108.77	29.06	-36.61	21.99	-38.91	-161.81	M
2019	M	M	M	47.38	15.94	63.96	71.15	65.85	56.95	46.39	29.22	M
2020	M	M	M	41.88	56.17	65.77	73.41	67.46	58.81	46.80	41.10	M
2021	M	M	53.70	45.37	55.97	67.54	66.33	69.86	60.52	51.95	34.50	21.95
2022	M	M	37.64	43.80	60.15	64.46	51.03	70.62	58.16	48.06	37.90	33.45
2023	M	M	M	51.80	40.01	64.18	71.79	64.63	62.00	51.03	30.47	M
2024	M	M	35.22	43.49	59.42	66.24	52.85	65.97	59.44	47.78	39.54	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	18.14	19.68	28.65	41.30	52.80	62.35	66.80	65.50	57.75	45.40	35.35	24.50

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
2025	M	M	M	M	M	M	M	M	M	M	M	M