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.

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Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
2026	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
2014	M	M	M	13.4	10.3	9.9	9.0	7.8	8.0	10.5	14.7	11.6
2015	13.4	11.9	11.3	13.1	10.7	9.7	7.5	7.8	8.5	12.7	12.9	13.1
2016	14.1	14.0	12.4	12.0	10.2	10.2	8.0	7.2	7.9	9.8	10.9	13.6
2017	12.2	12.8	14.0	13.6	12.2	11.1	8.1	7.8	7.2	11.1	12.3	11.8
2018	14.9	12.6	12.8	12.7	10.7	10.8	8.2	7.9	9.1	10.9	11.7	10.7
2019	14.0	14.3	11.8	13.5	11.2	10.1	8.2	7.5	8.3	10.9	11.0	12.2
2020	11.7	12.6	12.2	12.1	12.6	10.1	7.9	7.7	9.1	10.8	13.2	13.0
2021	10.5	11.8	13.0	11.2	10.2	9.9	8.6	7.1	9.4	9.6	10.7	12.1
2022	12.7	14.3	12.8	12.2	11.6	10.7	8.8	7.9	8.3	11.6	12.7	14.0
2023	11.2	13.0	13.2	11.7	9.6	9.8	7.8	8.5	7.4	10.3	11.4	10.2
2024	12.7	11.7	12.5	13.1	10.2	10.1	7.4	7.1	8.2	9.0	11.7	12.8
2025	13.5	11.6	14.4	13.0	11.6	10.0	7.9	7.2	6.5	10.0	12.3	13.5
2026	13.6	11.2	13.8	13.0	11.3	10.1	8.3	7.2	8.6	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	54.53	65.79	77.96	76.48	75.78	70.16	59.99	41.90	37.75
2015	26.72	20.04	36.65	53.96	71.17	73.28	78.51	76.36	75.50	61.21	52.46	46.52
2016	32.52	35.79	46.81	50.84	67.01	77.84	81.24	81.53	75.62	63.12	53.06	34.32
2017	35.48	42.80	40.54	58.76	63.47	77.18	79.32	75.90	73.10	64.17	46.16	30.61
2018	28.92	35.79	38.30	46.94	71.72	75.92	81.53	78.86	73.94	58.36	39.92	38.15
2019	30.43	32.84	38.04	52.10	63.88	73.64	82.40	77.06	73.88	61.79	41.06	39.55
2020	36.76	33.74	45.94	50.06	62.89	78.62	83.79	78.28	70.70	57.55	51.74	37.46
2021	32.70	28.14	49.01	55.46	66.26	77.00	77.46	79.90	73.10	63.65	45.74	41.99
2022	27.02	31.87	41.81	49.70	67.54	76.16	79.55	78.22	71.54	59.87	48.56	35.83
2023	36.18	39.65	40.25	55.46	65.62	74.06	78.63	74.85	71.78	60.16	47.48	43.38
2024	32.00	41.19	46.46	57.80	70.21	77.48	79.32	77.46	74.12	64.11	51.86	38.39
2025	27.01	30.39	48.26	56.12	63.12	78.02	82.52	76.88	74.96	63.59	46.88	34.03
2026	26.19	31.42	46.81	58.16	63.99	77.12	82.63	77.75	81.50	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	35.40	48.61	59.42	59.00	59.41	50.90	44.14	29.90	29.04
2015	12.61	0.95	22.54	36.86	51.43	57.38	59.93	59.17	57.92	44.43	37.88	34.38
2016	20.50	21.63	31.54	34.64	48.26	57.44	63.35	64.05	57.20	47.21	38.06	24.05
2017	25.32	27.31	26.89	41.78	48.14	58.88	62.37	57.95	54.44	49.01	32.78	17.72
2018	16.03	21.59	26.06	31.22	52.03	59.96	63.18	64.34	58.40	43.90	31.76	28.81
2019	16.09	20.36	24.68	38.42	46.86	57.26	65.33	60.51	57.62	45.18	28.88	28.69
2020	27.30	23.25	31.71	34.16	46.23	58.22	65.91	60.28	51.86	42.34	37.76	28.28
2021	24.80	14.71	29.68	37.94	46.28	61.64	61.09	63.06	55.10	51.28	32.00	29.62
2022	11.24	18.50	27.99	34.82	50.17	57.38	62.31	61.09	54.32	41.99	34.70	25.67
2023	27.12	25.52	28.17	37.88	44.60	56.06	62.66	58.88	55.46	47.39	31.76	35.54
2024	23.64	26.85	32.41	41.60	52.44	60.68	63.18	60.97	56.30	44.54	39.50	28.11
2025	14.87	19.21	30.03	37.88	46.92	60.92	64.28	58.36	52.40	44.60	32.06	20.27
2026	12.26	16.64	29.62	40.76	45.82	58.28	64.23	62.14	70.70	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	44.97	57.20	68.69	67.74	67.59	60.53	52.06	35.90	33.39
2015	19.66	10.50	29.59	45.41	61.30	65.33	69.22	67.77	66.71	52.82	45.17	40.45
2016	26.51	28.71	39.17	42.74	57.64	67.64	72.30	72.79	66.41	55.17	45.56	29.18
2017	30.40	35.05	33.71	50.27	55.81	68.03	70.85	66.93	63.77	56.59	39.47	24.16
2018	22.48	28.69	32.18	39.08	61.87	67.94	72.35	71.60	66.17	51.13	35.84	33.48
2019	23.26	26.60	31.36	45.26	55.37	65.45	73.86	68.78	65.75	53.48	34.97	34.12
2020	32.03	28.49	38.82	42.11	54.56	68.42	74.85	69.28	61.28	49.94	44.75	32.87
2021	28.75	21.42	39.35	46.70	56.27	69.32	69.28	71.48	64.10	57.46	38.87	35.80
2022	19.13	25.19	34.90	42.26	58.85	66.77	70.93	69.65	62.93	50.93	41.63	30.75
2023	31.65	32.58	34.21	46.67	55.11	65.06	70.64	66.87	63.62	53.77	39.62	39.46
2024	27.82	34.02	39.43	49.70	61.32	69.08	71.25	69.22	65.21	54.33	45.68	33.25
2025	20.94	24.80	39.14	47.00	55.02	69.47	73.40	67.62	63.68	54.09	39.47	27.15
2026	19.23	24.03	38.21	49.46	54.91	67.70	73.43	69.95	76.10	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
2014	M	M	M	70.2%	73.7%	71.9%	75.3%	81.4%	82.3%	78.5%	76.8%	82.7%
2015	80.9%	78.6%	77.6%	72.9%	69.0%	81.2%	76.7%	80.4%	80.6%	73.5%	79.7%	87.9%
2016	79.3%	79.9%	80.9%	70.5%	67.8%	61.3%	74.6%	81.8%	77.8%	78.2%	79.4%	80.0%
2017	86.3%	76.9%	74.7%	71.7%	71.2%	66.7%	74.1%	77.0%	79.8%	76.6%	75.7%	78.4%
2018	78.2%	81.4%	74.8%	71.9%	74.2%	73.4%	72.7%	84.7%	84.2%	79.2%	80.7%	84.3%
2019	79.0%	81.1%	74.9%	77.2%	80.2%	73.9%	74.8%	79.9%	81.7%	78.8%	79.2%	82.6%
2020	83.5%	78.9%	82.0%	73.4%	71.7%	66.4%	75.7%	81.1%	80.0%	78.1%	75.6%	82.2%
2021	84.0%	80.4%	66.5%	71.3%	66.6%	76.6%	81.8%	83.4%	76.8%	85.6%	76.5%	81.3%
2022	75.9%	77.6%	77.0%	74.3%	72.1%	66.3%	73.7%	81.4%	79.5%	70.9%	74.4%	82.2%
2023	88.1%	77.7%	79.3%	74.2%	64.1%	70.2%	80.8%	82.4%	82.0%	79.2%	75.1%	86.0%
2024	85.8%	75.2%	75.5%	74.6%	74.8%	74.8%	78.7%	81.4%	81.3%	73.1%	80.7%	82.1%
2025	76.1%	81.3%	73.4%	69.0%	77.8%	76.6%	77.5%	78.7%	76.4%	74.5%	72.6%	76.8%
2026	75.1%	79.7%	76.0%	74.5%	70.2%	70.1%	75.2%	82.7%	82.9%	M	M	M