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	0.00	0.00	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	6.6	6.5	5.1	6.1	6.5
2014	5.8	7.2	7.0	7.3	6.0	5.6	5.6	4.4	5.7	8.3	7.2	7.8
2015	6.6	6.7	7.5	7.3	5.8	5.1	5.6	6.6	4.8	6.5	6.7	8.1
2016	7.1	7.8	9.1	6.5	7.1	5.5	5.0	5.9	5.0	7.1	9.5	6.5
2017	7.9	6.9	8.9	7.6	6.8	6.9	5.6	4.8	5.7	7.3	10.0	5.0
2018	8.8	6.5	7.1	7.6	6.4	6.6	5.7	4.9	4.9	5.6	7.8	9.0
2019	7.9	7.3	5.2	7.3	6.4	5.7	5.1	4.9	5.9	7.8	6.0	6.2
2020	10.0	6.8	7.4	7.3	6.9	7.0	5.2	5.5	4.9	5.9	8.9	8.7
2021	8.7	7.8	9.0	7.1	6.5	6.2	5.1	6.0	7.1	7.9	9.4	7.4
2022	7.5	7.6	7.6	7.5	7.9	7.5	5.7	4.7	4.8	5.7	7.0	6.9
2023	8.3	8.7	5.6	8.4	5.8	6.2	5.2	4.6	5.8	7.0	7.8	9.6
2024	9.0	6.0	6.9	7.5	6.7	6.1	5.5	5.5	5.6	7.4	6.8	7.4
2025	5.5	7.0	6.4	7.4	8.0	5.6	5.1	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	68.72	66.38	51.45	30.56	27.47
2014	30.32	23.06	34.85	49.10	57.84	63.32	75.49	73.23	65.06	53.66	30.86	28.69
2015	30.55	39.39	47.79	50.54	63.01	70.52	73.75	73.09	59.06	53.60	30.53	26.54
2016	27.35	37.65	44.72	57.56	59.81	66.02	68.81	69.86	58.52	45.53	40.82	18.94
2017	22.01	25.57	38.91	46.64	60.28	66.44	74.39	77.17	64.16	48.32	33.74	20.50
2018	28.23	24.09	37.11	47.72	66.49	63.32	73.28	70.79	54.86	48.20	37.58	30.03
2019	32.17	15.54	41.06	48.98	63.18	63.74	66.72	71.77	59.30	44.31	35.24	27.41
2020	27.06	34.11	35.77	47.18	59.52	61.70	68.64	68.84	68.06	45.59	35.42	31.19
2021	30.32	24.80	40.25	52.22	57.90	72.20	78.97	71.77	61.40	46.75	38.48	16.09
2022	28.28	34.25	40.94	43.76	53.08	62.78	76.07	78.45	67.50	59.06	24.68	16.67
2023	30.43	29.36	36.47	47.42	66.95	68.84	74.79	72.24	61.76	50.64	37.46	33.80
2024	24.57	33.12	41.35	48.44	56.91	61.76	78.10	73.46	65.72	49.83	33.44	30.78
2025	28.11	23.90	40.36	52.22	60.16	67.79	82.40	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	50.36	40.04	25.90	14.42	8.31
2014	12.26	-1.30	14.17	27.20	36.12	39.62	45.30	43.85	34.46	33.63	12.14	13.19
2015	15.63	23.64	26.48	24.56	34.15	42.08	45.88	42.61	32.39	29.79	11.07	12.91
2016	13.54	20.08	26.43	30.68	34.03	41.84	45.76	45.90	34.94	28.40	29.00	-2.08
2017	4.01	4.16	20.74	28.22	34.44	40.16	41.52	42.51	37.04	26.37	19.10	3.43
2018	14.58	-0.91	17.48	26.48	36.41	40.40	43.44	41.99	33.92	23.87	23.78	15.34
2019	16.32	-8.69	13.65	25.28	36.70	39.26	44.31	41.58	35.90	25.67	19.46	10.34
2020	9.53	14.00	12.90	22.70	34.73	39.44	43.55	40.40	37.64	27.94	18.44	17.19
2021	11.39	3.59	21.20	24.98	32.35	42.44	45.47	43.85	35.78	27.88	21.80	0.18
2022	10.70	12.07	22.88	21.62	32.46	39.74	46.05	45.12	34.36	29.27	5.12	-2.90
2023	15.57	11.88	11.62	24.92	38.33	39.92	43.09	43.09	34.58	27.82	20.96	23.41
2024	11.50	13.32	17.89	26.30	32.12	37.70	46.46	43.15	36.98	29.50	17.90	16.26
2025	8.02	2.04	22.59	27.80	34.50	41.28	44.60	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	59.54	53.21	38.68	22.49	17.89
2014	21.29	10.88	24.51	38.15	46.98	51.47	60.39	58.54	49.76	43.64	21.50	20.94
2015	23.09	31.52	37.14	37.55	48.58	56.30	59.81	57.85	45.73	41.70	20.80	19.72
2016	20.45	28.87	35.57	44.12	46.92	53.93	57.29	57.88	46.73	36.96	34.91	8.43
2017	13.01	14.87	29.82	37.43	47.36	53.30	57.95	59.84	50.60	37.34	26.42	11.97
2018	21.40	11.59	27.30	37.10	51.45	51.86	58.36	56.39	44.39	36.04	30.68	22.68
2019	24.25	3.42	27.35	37.13	49.94	51.50	55.52	56.68	47.60	34.99	27.35	18.88
2020	18.30	24.06	24.34	34.94	47.13	50.57	56.10	54.62	52.85	36.76	26.93	24.19
2021	20.85	14.19	30.72	38.60	45.12	57.32	62.22	57.81	48.59	37.31	30.14	8.14
2022	19.49	23.16	31.91	32.69	42.77	51.26	61.06	61.79	50.93	44.16	14.90	6.89
2023	23.00	20.62	24.05	36.17	52.64	54.38	58.94	57.66	48.17	39.23	29.21	28.60
2024	18.04	23.22	29.62	37.37	44.51	49.73	62.28	58.30	51.35	39.66	25.67	23.52
2025	18.06	12.97	31.48	40.01	47.33	54.53	63.50	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	61.3%	64.3%	75.1%	87.4%	80.4%
2014	84.3%	68.8%	71.6%	60.5%	67.0%	61.6%	54.3%	63.4%	64.3%	74.3%	82.5%	85.1%
2015	87.4%	79.8%	63.3%	56.8%	61.7%	59.1%	55.8%	54.9%	73.1%	76.8%	84.3%	90.2%
2016	93.8%	78.4%	69.0%	62.7%	64.4%	61.3%	71.1%	67.8%	76.1%	85.0%	85.0%	81.3%
2017	84.1%	78.8%	71.9%	70.2%	63.4%	51.3%	47.4%	50.5%	64.4%	71.7%	75.9%	85.5%
2018	82.9%	74.2%	67.4%	61.1%	52.8%	62.4%	56.7%	65.4%	76.1%	76.7%	83.0%	79.6%
2019	81.2%	71.4%	62.5%	58.3%	56.7%	65.9%	72.4%	64.6%	74.5%	72.1%	84.4%	91.0%
2020	78.8%	72.5%	62.1%	59.3%	62.0%	68.2%	70.0%	62.4%	69.0%	84.3%	79.0%	82.9%
2021	82.5%	73.5%	63.0%	50.7%	59.1%	55.1%	48.9%	60.4%	66.0%	72.1%	76.8%	80.3%
2022	82.0%	69.8%	67.5%	57.7%	60.9%	68.8%	57.0%	57.3%	61.9%	66.4%	84.7%	83.9%
2023	86.2%	75.1%	66.7%	58.8%	62.5%	58.8%	56.6%	61.9%	69.8%	70.3%	79.2%	86.8%
2024	83.6%	77.6%	65.4%	54.7%	61.8%	63.5%	51.5%	62.1%	66.7%	72.3%	84.6%	89.4%
2025	83.0%	74.2%	77.1%	56.9%	55.7%	59.1%	48.9%	M	M	M	M	M