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 (USC00358884) 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
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	0.00
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	6.94	5.53	5.30	3.74	2.39	1.44	0.39	0.55	1.79	4.12	7.70	8.33

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	M	M	M	M	M	M	M	M	M	M	7.0	9.5
2013	11.0	9.6	8.8	5.4	6.4	4.7	4.8	M	M	6.7	7.2	11.3
2014	10.4	10.0	7.4	6.0	7.5	12.1	12.1	7.0	M	M	0.0	0.0
2015	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2016	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.1	0.0	0.0
2017	0.0	0.0	0.0	0.2	1.7	1.7	1.7	1.4	1.5	1.4	2.0	1.5
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	1.5	1.4	1.1	0.9	0.9	1.1	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
2012	M	M	M	M	M	M	M	M	M	M	48.41	42.10
2013	42.80	46.72	52.58	55.96	64.76	69.92	77.95	M	M	64.17	49.65	41.26
2014	48.58	42.79	53.07	58.40	66.15	68.39	79.54	79.90	M	73.80	51.84	47.54
2015	51.56	55.31	61.30	59.01	67.66	78.81	81.21	79.45	70.53	66.04	48.86	43.80
2016	44.53	52.84	53.56	65.89	67.40	71.91	73.45	80.87	72.17	56.87	52.90	39.48
2017	39.06	42.98	49.30	52.51	66.79	70.55	78.82	84.23	74.98	60.94	48.21	44.56
2018	47.23	45.98	50.21	57.00	69.03	71.06	81.26	79.72	70.84	62.59	50.67	45.14
2019	47.05	39.91	53.05	57.72	68.73	70.93	73.93	78.06	66.87	57.56	48.10	43.91
2020	44.35	47.47	51.05	61.30	64.42	69.39	76.31	74.80	76.11	64.61	49.28	43.73
2021	45.27	43.36	51.05	63.08	65.38	76.81	80.36	75.98	69.83	57.13	50.50	40.16
2022	47.78	49.45	53.34	51.80	58.58	68.60	82.42	84.25	76.97	70.10	47.29	39.62
2023	44.32	43.53	46.40	52.86	70.26	73.59	81.73	83.22	70.52	61.49	50.22	47.81
2024	42.81	46.20	51.82	55.55	62.73	70.38	82.72	77.10	74.03	61.55	48.60	46.05
2025	46.64	44.57	52.69	58.81	62.62	70.35	76.18	M	M	M	M	M
NCEI Climatology	45.71	49.47	53.60	58.60	65.51	69.89	77.30	78.20	73.10	61.40	50.59	44.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	M	M	M	M	M	M	M	M	M	M	35.54	33.07
2013	27.98	33.58	34.08	36.49	41.95	46.71	48.32	M	M	36.64	34.24	26.27
2014	31.46	29.71	35.02	35.89	41.92	46.21	49.75	51.24	M	73.80	30.60	35.47
2015	33.64	36.16	34.77	34.07	43.58	47.35	54.58	51.21	43.66	43.33	32.62	34.46
2016	34.03	35.98	38.57	38.60	42.55	46.00	51.05	49.73	43.58	43.40	39.57	27.88
2017	21.30	31.34	34.69	35.65	41.84	45.83	45.76	49.44	46.49	36.45	35.88	29.95
2018	35.36	30.39	30.86	36.87	44.86	45.06	48.91	50.20	42.41	38.69	35.19	33.19
2019	32.53	26.99	27.83	38.06	42.24	45.03	50.12	50.25	47.60	34.38	30.87	32.25
2020	31.51	30.31	29.92	31.49	33.13	35.17	33.74	33.66	33.76	32.12	31.42	31.68
2021	30.48	30.64	30.19	31.09	32.81	33.51	33.71	33.79	33.24	32.59	31.98	31.17
2022	29.41	29.52	31.29	31.01	38.01	46.33	51.25	51.42	46.38	42.29	30.26	30.35
2023	32.99	29.12	30.73	35.61	43.93	43.98	48.46	51.01	45.12	40.90	33.48	36.51
2024	32.59	33.47	33.29	36.45	40.41	43.71	49.72	48.11	46.58	38.56	35.32	33.67
2025	28.14	28.19	34.82	35.90	39.12	45.12	48.30	M	M	M	M	M
NCEI Climatology	31.60	30.93	33.50	35.60	40.29	44.40	47.20	46.90	42.91	38.29	34.20	31.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	M	M	M	M	M	M	M	M	M	M	41.97	37.58
2013	35.39	40.15	43.33	46.22	53.35	58.32	63.13	M	M	50.40	41.95	33.77
2014	40.02	36.25	44.05	47.14	54.03	57.30	64.65	65.57	M	73.80	41.22	41.50
2015	42.60	45.74	48.04	46.54	55.62	63.08	67.89	65.33	57.10	54.69	40.74	39.13
2016	39.28	44.41	46.06	52.25	54.97	58.95	62.25	65.30	57.87	50.13	46.23	33.68
2017	30.18	37.16	42.00	44.08	54.31	58.19	62.29	66.84	60.74	48.69	42.04	37.25
2018	41.30	38.19	40.53	46.93	56.95	58.06	65.09	64.96	56.63	50.64	42.93	39.17
2019	39.79	33.45	40.44	47.89	55.49	57.98	62.03	64.16	57.23	45.97	39.49	38.08
2020	37.93	38.89	40.48	46.40	48.78	52.28	55.02	54.23	54.94	48.37	40.35	37.71
2021	37.87	37.00	40.62	47.09	49.09	55.16	57.03	54.89	51.54	44.86	41.24	35.66
2022	38.59	39.48	42.32	41.40	48.30	57.47	66.83	67.83	61.67	56.20	38.77	34.98
2023	38.65	36.33	38.56	44.23	57.09	58.78	65.09	67.12	57.82	51.19	41.85	42.16
2024	37.70	39.83	42.56	46.00	51.57	57.04	66.22	62.61	60.30	50.05	41.96	39.86
2025	37.39	36.38	43.75	47.36	50.87	57.74	62.24	M	M	M	M	M
NCEI Climatology	38.65	40.20	43.55	47.10	52.90	57.15	62.25	62.55	58.00	49.85	42.40	37.80

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
2012	M	M	M	M	M	M	M	M	M	M	92.3%	94.9%
2013	90.9%	91.9%	87.2%	81.9%	76.8%	75.3%	68.9%	M	M	84.5%	89.9%	90.9%
2014	89.8%	87.5%	86.4%	79.5%	75.1%	75.4%	69.8%	72.4%	M	M	90.3%	92.0%
2015	93.7%	89.0%	83.4%	81.2%	77.5%	67.4%	65.4%	69.9%	79.4%	86.6%	90.8%	94.4%
2016	91.8%	90.2%	84.6%	76.6%	74.6%	73.5%	75.8%	70.0%	78.2%	92.1%	92.6%	93.4%
2017	89.0%	91.5%	92.8%	87.2%	77.7%	75.8%	69.4%	69.4%	76.5%	86.7%	94.0%	91.8%
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	84.8%	89.7%	77.1%	77.5%	74.1%	71.2%	M	M	M	M	M