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 () 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
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	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	M	M	7.4
2014	8.5	7.5	8.3	9.3	9.0	6.7	8.5	6.1	7.0	7.8	9.3	7.1
2015	8.1	7.8	8.7	8.1	8.6	6.7	6.6	6.9	7.0	7.1	7.0	7.2
2016	7.6	8.7	8.0	7.6	7.7	8.1	7.8	7.1	6.4	6.3	7.2	7.4
2017	7.6	8.1	8.0	8.8	8.7	7.9	6.5	6.0	5.9	7.4	6.5	7.3
2018	8.2	7.2	8.1	8.4	8.7	8.3	7.4	6.3	6.4	8.2	7.7	5.0
2019	7.8	8.8	8.5	9.1	7.4	7.1	6.6	5.9	6.4	6.8	7.8	7.4
2020	6.8	8.6	8.1	8.9	8.9	8.1	6.6	6.1	6.1	6.5	7.0	7.3
2021	6.2	6.9	8.0	8.5	7.5	8.1	6.7	6.7	6.2	6.1	5.7	6.9
2022	6.3	8.8	7.9	8.5	7.8	7.2	7.3	6.9	6.0	6.1	7.6	9.8
2023	7.3	8.0	8.0	8.9	8.6	6.8	5.9	5.8	5.6	6.1	6.9	6.6
2024	8.2	6.1	8.0	9.8	8.0	7.4	6.9	6.1	6.8	6.8	7.6	6.7
2025	6.8	7.6	8.3	7.6	8.0	7.4	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	M	M	13.43
2014	18.47	20.94	26.14	47.36	65.97	75.08	76.59	76.01	67.34	55.69	37.94	27.82
2015	16.15	11.24	29.39	48.62	70.26	70.40	77.23	76.65	72.98	51.68	44.30	35.66
2016	25.15	25.54	34.03	45.26	67.48	73.76	77.29	78.05	69.56	53.89	42.98	26.77
2017	25.85	27.11	28.81	50.06	62.14	72.74	75.66	73.92	72.08	61.79	38.18	18.70
2018	18.01	28.91	35.66	43.28	68.29	71.97	82.46	78.74	69.20	48.32	32.12	24.28
2019	16.44	21.97	31.42	44.42	60.63	72.02	80.66	75.66	65.84	54.88	33.92	27.76
2020	23.99	26.10	35.95	47.24	64.98	77.00	81.82	74.74	64.83	51.74	43.28	31.48
2021	24.16	24.61	37.57	55.40	66.14	77.30	74.91	81.30	69.56	59.06	40.28	28.75
2022	13.22	23.19	33.16	48.74	69.92	72.20	79.21	77.00	66.74	58.77	42.68	32.12
2023	26.72	25.12	36.70	51.32	66.66	72.98	78.86	73.92	72.44	59.64	38.30	32.35
2024	24.86	30.76	40.13	52.58	68.81	76.28	79.61	75.37	71.90	57.95	45.02	26.48
2025	20.50	21.26	36.59	50.06	64.46	74.81	M	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	M	M	-2.67
2014	-0.05	0.50	3.95	29.54	45.18	53.78	58.19	55.75	46.28	40.36	25.46	14.87
2015	-7.72	-12.10	8.02	28.16	45.76	50.06	56.79	58.48	51.02	31.65	27.26	25.61
2016	6.74	5.99	16.67	24.92	42.80	52.82	57.49	58.77	47.78	36.99	31.52	12.26
2017	10.81	9.69	11.56	33.26	44.31	53.00	56.79	53.60	50.96	41.29	21.80	4.07
2018	-1.62	6.86	22.19	26.90	42.34	50.45	60.45	59.87	48.74	34.15	20.24	5.93
2019	-0.23	1.01	12.66	30.02	40.71	49.94	58.13	54.99	46.94	37.11	20.00	13.48
2020	8.72	5.31	20.33	28.94	42.97	52.82	61.61	55.81	43.79	34.61	27.38	18.30
2021	11.50	4.10	18.12	34.94	41.81	56.84	55.86	61.32	50.18	42.10	25.52	10.52
2022	-9.22	0.82	16.85	31.64	44.89	52.64	56.68	57.26	47.72	34.15	27.38	19.75
2023	12.78	3.33	20.68	33.26	41.35	53.90	62.37	55.05	51.32	43.73	23.96	19.57
2024	9.65	11.70	25.38	33.38	47.56	55.52	60.97	57.43	51.68	38.39	31.16	12.14
2025	3.78	1.66	19.23	30.38	44.25	53.34	M	M	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	M	M	5.38
2014	9.21	10.72	15.05	38.45	55.57	64.43	67.39	65.88	56.81	48.03	31.70	21.35
2015	4.22	-0.43	18.70	38.39	58.01	60.23	67.01	67.56	62.00	41.67	35.78	30.64
2016	15.95	15.77	25.35	35.09	55.14	63.29	67.39	68.41	58.67	45.44	37.25	19.52
2017	18.33	18.40	20.18	41.66	53.22	62.87	66.23	63.76	61.52	51.54	29.99	11.39
2018	8.19	17.89	28.92	35.09	55.31	61.21	71.45	69.31	58.97	41.23	26.18	15.10
2019	8.11	11.49	22.04	37.22	50.67	60.98	69.39	65.33	56.39	45.99	26.96	20.62
2020	16.35	15.71	28.14	38.09	53.98	64.91	71.72	65.27	54.31	43.18	35.33	24.89
2021	17.83	14.35	27.85	45.17	53.98	67.07	65.39	71.31	59.87	50.58	32.90	19.63
2022	2.00	12.01	25.00	40.19	57.40	62.42	67.94	67.13	57.23	46.46	35.03	25.93
2023	19.75	14.23	28.69	42.29	54.01	63.44	70.61	64.49	61.88	51.68	31.13	25.96
2024	17.25	21.23	32.75	42.98	58.19	65.90	70.29	66.40	61.79	48.17	38.09	19.31
2025	12.14	11.46	27.91	40.22	54.35	64.08	M	M	M	M	M	M

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
2013	M	M	M	M	M	M	M	M	M	M	M	83.1%
2014	76.4%	74.0%	68.2%	67.7%	68.4%	69.8%	73.2%	76.5%	80.1%	79.5%	74.3%	84.2%
2015	73.5%	66.8%	66.9%	65.4%	63.5%	72.2%	75.3%	79.4%	78.3%	75.7%	79.6%	88.8%
2016	83.2%	79.5%	73.6%	58.7%	65.9%	70.4%	76.8%	76.1%	79.1%	83.0%	85.6%	82.4%
2017	83.8%	78.7%	67.7%	77.7%	75.1%	74.4%	77.1%	77.4%	79.9%	79.2%	75.3%	74.0%
2018	75.5%	78.2%	68.5%	69.5%	59.1%	67.8%	71.1%	78.4%	80.6%	78.3%	84.7%	86.1%
2019	79.7%	77.3%	72.3%	72.2%	69.7%	71.4%	73.5%	76.1%	81.6%	82.2%	77.1%	77.0%
2020	81.1%	76.2%	69.1%	60.4%	52.2%	64.7%	73.1%	78.8%	79.5%	80.3%	79.9%	81.0%
2021	80.0%	77.7%	66.7%	60.7%	59.1%	68.7%	74.4%	72.2%	75.4%	82.4%	81.6%	81.0%
2022	74.6%	77.9%	77.6%	65.2%	64.6%	75.2%	74.2%	79.9%	81.3%	80.5%	80.7%	83.4%
2023	84.1%	77.9%	74.7%	69.0%	58.5%	77.2%	83.7%	81.8%	83.8%	84.8%	78.4%	82.9%
2024	80.5%	75.5%	70.9%	67.3%	69.0%	71.9%	77.8%	84.0%	79.3%	77.0%	77.0%	84.8%
2025	77.4%	73.2%	72.2%	66.2%	70.8%	68.1%	M	M	M	M	M	M