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 (USW00013739) 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	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2017	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	0.07	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	3.13	2.86	3.96	3.47	3.34	4.04	4.38	4.29	4.40	3.47	2.91	3.97

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	42.90
2011	38.04	49.81	55.90	70.29	77.60	84.27	89.72	83.51	79.50	68.81	63.55	54.01
2012	49.21	52.14	65.37	68.41	78.38	83.33	90.15	85.24	79.06	69.93	53.51	57.74
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	82.99	78.89	70.20	55.41	49.46
2015	40.15	37.54	50.98	68.26	81.23	82.66	85.48	85.45	81.43	65.28	60.74	57.19
2016	41.52	45.74	60.20	63.40	69.27	81.11	87.11	86.39	79.15	67.80	61.89	48.22
2017	47.16	57.13	54.88	72.61	72.67	83.03	85.87	81.69	79.35	72.89	59.94	45.53
2018	43.73	53.09	50.48	65.40	79.86	82.53	87.97	86.65	81.02	69.15	54.09	49.72
2019	45.51	48.19	54.38	71.94	77.80	83.84	90.66	86.43	84.00	72.32	56.13	48.66
2020	50.14	52.46	62.26	63.68	73.67	84.81	91.66	86.46	79.01	70.72	64.89	49.63
2021	44.86	42.21	60.85	69.56	77.44	85.01	86.68	79.71	81.62	74.15	58.65	54.61
2022	43.10	53.26	60.96	66.54	77.30	84.37	89.81	89.44	80.68	67.27	62.01	48.38
2023	52.72	55.72	57.18	73.18	75.17	82.43	138.37	86.08	80.46	71.63	55.69	49.70
2024	43.12	48.46	57.65	65.73	74.02	85.12	87.39	84.04	77.46	71.84	60.21	45.73
2025	36.97	43.65	42.67	M	M	M	M	M	M	M	M	M
NCEI Climatology	41.32	44.42	52.80	64.70	74.40	83.20	87.80	85.81	78.91	67.19	55.90	46.01

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	17.40
2011	17.63	20.95	31.26	45.49	54.72	62.02	68.39	62.83	61.01	45.16	36.73	29.06
2012	25.13	27.18	37.95	40.41	56.43	59.92	68.72	66.07	56.37	46.10	30.34	35.85
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	59.97	56.21	44.78	29.66	29.45
2015	18.45	11.26	24.23	39.93	55.39	62.46	66.52	62.46	59.73	44.20	37.95	40.24
2016	21.38	27.48	36.46	39.52	51.57	61.07	68.10	67.45	59.54	47.22	32.28	26.36
2017	26.89	28.07	28.72	45.78	50.70	60.41	67.17	62.02	58.03	48.43	32.53	23.44
2018	17.27	28.07	29.54	38.31	55.33	60.21	65.81	68.08	63.58	47.55	32.69	27.05
2019	21.39	24.95	28.83	44.88	54.69	61.11	67.89	64.84	56.57	47.89	29.60	26.74
2020	26.91	27.85	34.69	39.33	49.50	61.08	68.96	66.81	56.12	46.79	34.81	27.12
2021	25.82	25.93	32.54	42.04	49.23	61.82	64.74	61.34	58.04	51.45	30.29	29.93
2022	18.35	21.75	31.87	40.61	53.96	47.82	16.61	65.87	55.66	42.17	33.36	22.56
2023	30.62	27.69	31.47	43.29	46.70	56.49	55.77	62.94	57.51	45.53	30.75	32.54
2024	21.44	28.45	37.65	43.85	55.25	62.83	68.32	63.99	57.60	43.50	36.71	26.76
2025	20.64	25.53	41.52	M	M	M	M	M	M	M	M	M
NCEI Climatology	26.00	27.59	34.30	44.30	54.21	63.90	69.60	67.91	60.89	49.20	38.80	31.20

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	30.15
2011	27.83	35.38	43.58	57.89	66.16	73.15	79.05	73.17	70.34	56.98	50.12	41.43
2012	37.08	39.66	51.80	54.87	67.13	71.56	79.42	75.66	67.98	58.02	41.93	46.80
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	71.48	67.55	57.49	42.53	39.45
2015	29.30	24.40	37.61	54.10	68.31	72.56	76.00	73.95	70.58	54.74	49.35	48.71
2016	31.45	36.61	48.33	51.46	60.42	71.09	77.60	76.92	69.34	57.51	47.08	37.29
2017	37.03	42.60	41.80	59.19	61.69	71.72	76.52	71.86	68.69	60.66	46.23	34.48
2018	30.50	40.58	40.01	51.86	67.59	71.37	76.89	77.36	72.30	58.35	43.39	38.39
2019	33.45	36.57	41.60	58.41	66.24	72.48	79.27	75.64	70.29	60.10	42.87	37.70
2020	38.53	40.16	48.48	51.51	61.58	72.94	80.31	76.63	67.56	58.75	49.85	38.37
2021	35.34	34.07	46.70	55.80	63.33	73.41	76.27	70.52	69.83	62.80	44.47	42.27
2022	30.73	37.51	46.41	53.58	65.63	71.94	59.05	77.65	68.17	54.72	47.69	35.47
2023	41.67	41.70	44.32	58.24	60.93	69.46	97.07	74.51	68.98	58.58	43.22	41.12
2024	32.28	38.46	47.65	54.79	64.63	73.97	77.85	74.01	67.53	57.67	48.46	36.24
2025	28.81	34.59	42.10	M	M	M	M	M	M	M	M	M
NCEI Climatology	33.66	36.01	43.55	54.50	64.30	73.55	78.70	76.86	69.90	58.20	47.35	38.60

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