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 (USC00105275) 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	M	M	M	M	2.45	0.84	0.10
2017	0.76	3.80	1.75	1.64	0.77	0.66	0.23	0.55	2.50	0.19	2.65	1.09
2018	0.55	1.24	1.12	1.50	0.73	0.91	0.09	0.20	0.01	1.65	1.28	1.65
2019	0.66	1.48	1.63	1.35	2.09	0.36	0.17	0.15	2.32	1.41	1.70	1.89
2020	1.86	2.27	0.98	0.32	0.30	1.65	0.15	0.00	0.14	M	M	M
2021	M	M	M	0.00	2.93	0.24	0.80	1.86	0.15	2.48	0.53	1.06
2022	1.09	0.43	1.12	0.71	0.80	0.17	0.08	0.83	1.52	0.00	0.21	1.49
2023	0.54	0.02	0.94	1.19	0.38	0.99	0.24	0.69	0.14	0.24	12.11	0.73
2024	0.99	1.56	1.83	0.28	0.54	0.25	0.34	0.91	0.71	0.65	1.52	9.35
2025	1.02	2.04	2.90	1.08	0.71	0.00	0.29	M	M	M	M	M
NCEI Climatology	0.80	0.85	0.83	1.09	1.80	0.92	0.57	0.76	1.09	1.10	0.76	0.75

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	6.1	7.2	7.2	6.5	7.5
2014	8.0	8.0	7.7	8.2	7.3	8.0	6.9	6.5	7.1	7.1	8.5	6.9
2015	5.7	6.3	7.0	8.1	6.2	6.7	7.0	7.1	7.6	6.4	7.6	7.9
2016	7.1	6.8	7.4	7.6	7.4	7.0	7.6	7.3	7.1	7.1	7.2	7.2
2017	7.3	7.4	7.9	8.1	7.3	7.1	6.7	7.0	6.6	7.7	6.0	6.6
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	7.5	7.0	7.2	7.2	7.6	7.1	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
2013	M	M	M	M	M	M	M	79.42	68.41	52.47	41.86	25.89
2014	27.84	33.55	44.10	51.16	64.56	69.63	83.50	76.63	70.97	60.82	39.31	33.85
2015	31.99	41.52	51.66	53.92	59.20	78.86	77.27	79.65	72.49	61.61	37.12	25.64
2016	23.66	32.94	42.28	54.98	60.41	78.03	82.13	80.01	69.36	57.22	46.92	24.11
2017	14.50	31.91	43.22	49.24	62.81	74.44	84.73	80.22	66.51	53.73	42.82	32.48
2018	33.71	32.78	41.42	53.35	65.33	73.86	85.62	78.86	73.91	53.99	37.46	24.34
2019	22.14	27.39	35.53	50.90	57.62	70.66	82.07	79.20	64.69	46.43	42.76	22.41
2020	28.24	23.27	41.90	54.24	66.47	69.66	79.68	84.58	74.20	M	M	M
2021	M	M	M	71.15	63.03	80.38	78.29	76.84	74.03	54.78	46.17	34.14
2022	20.69	24.80	40.86	48.85	58.54	73.87	87.03	82.37	76.08	58.57	21.85	24.09
2023	18.82	-2.65	28.67	37.13	58.07	66.76	83.92	78.39	73.64	55.84	42.45	30.51
2024	28.05	33.57	39.93	52.87	58.74	77.04	83.67	81.40	75.04	64.52	38.55	32.63
2025	23.59	33.54	42.54	54.43	65.13	71.86	83.24	M	M	M	M	M
NCEI Climatology	28.69	31.52	40.40	50.40	60.50	71.30	81.00	79.89	70.00	55.79	40.79	30.40

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	51.41	44.07	29.11	18.43	4.02
2014	4.05	17.37	23.95	26.73	36.63	41.16	48.58	50.22	40.75	29.69	17.06	17.70
2015	14.16	21.26	23.46	28.33	37.85	45.94	48.07	46.75	39.48	34.78	16.17	7.44
2016	5.23	10.69	23.48	30.29	36.16	44.22	45.75	43.35	39.07	32.12	23.11	7.98
2017	-3.11	14.24	24.93	30.40	38.06	44.26	50.44	45.74	38.39	25.17	24.23	11.29
2018	14.81	17.53	23.06	29.46	38.09	41.98	48.97	48.24	38.34	29.07	18.48	5.12
2019	3.03	8.32	14.42	31.45	34.65	40.46	48.14	47.50	39.41	20.03	18.41	4.97
2020	11.63	-1.28	20.76	30.42	37.49	41.60	46.32	46.81	34.41	M	M	M
2021	M	M	M	41.72	35.93	45.71	51.84	44.88	36.34	31.56	24.04	13.55
2022	-3.87	-1.62	16.10	25.14	33.64	40.87	49.09	49.33	40.01	32.58	-2.27	6.71
2023	8.04	-15.79	11.04	19.15	41.26	45.21	50.03	49.72	44.70	26.16	19.80	9.61
2024	11.34	13.42	18.36	28.81	32.13	44.88	48.26	46.92	39.46	29.38	15.00	10.93
2025	-2.68	12.09	21.11	27.24	35.81	42.62	48.79	M	M	M	M	M
NCEI Climatology	7.50	7.91	17.80	28.59	37.81	44.90	51.00	48.00	39.20	29.70	20.11	10.41

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	65.41	56.24	40.79	30.15	14.96
2014	15.95	25.46	34.03	38.94	50.60	55.39	66.04	63.42	55.86	45.25	28.18	25.78
2015	23.08	31.39	37.56	41.13	48.53	62.40	62.67	63.20	55.99	48.19	26.64	16.54
2016	14.44	21.81	32.88	42.64	48.28	61.12	63.94	61.68	54.22	44.67	35.01	16.05
2017	5.70	23.07	34.08	39.82	50.43	59.35	67.58	62.98	52.45	39.45	33.52	21.88
2018	24.26	25.15	32.24	41.41	51.71	57.92	67.29	63.55	56.13	41.53	27.97	14.73
2019	12.58	17.85	24.98	41.17	46.14	55.56	65.10	63.35	52.05	33.23	30.58	13.69
2020	19.93	11.00	31.33	42.33	51.98	55.63	63.00	65.70	54.31	M	M	M
2021	M	M	M	56.43	49.48	63.04	65.06	60.86	55.18	43.17	35.10	23.84
2022	8.41	11.59	28.48	37.00	46.09	57.37	68.06	65.85	58.04	45.57	9.79	15.40
2023	13.43	-9.22	19.86	28.14	49.66	55.99	66.98	64.06	59.17	41.00	31.12	20.06
2024	19.69	23.50	29.15	40.84	45.44	60.96	65.96	64.16	57.25	46.95	26.77	21.78
2025	10.45	22.81	31.82	40.83	50.47	57.24	66.02	M	M	M	M	M
NCEI Climatology	18.10	19.72	29.10	39.49	49.15	58.10	66.00	63.95	54.60	42.74	30.45	20.40

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	60.6%	64.3%	65.7%	73.0%	75.7%
2014	76.6%	76.9%	68.1%	59.1%	54.5%	50.9%	48.1%	64.8%	62.1%	64.5%	70.5%	79.4%
2015	83.6%	70.6%	61.0%	59.1%	70.9%	55.0%	54.4%	50.5%	50.7%	65.4%	70.8%	79.0%
2016	81.0%	75.6%	73.5%	64.3%	64.1%	52.3%	40.8%	38.2%	56.1%	70.6%	74.0%	74.8%
2017	81.4%	81.2%	75.2%	65.0%	59.1%	55.7%	49.0%	49.8%	64.8%	58.4%	79.3%	74.8%
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	69.6%	73.1%	58.5%	56.3%	38.7%	43.5%	M	M	M	M	M