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 (USC00427729) 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
2011	M	M	M	M	M	M	M	M	M	M	M	M
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	3.03	2.82	2.43	2.66	1.93	1.05	1.48	1.62	1.89	1.94	2.31	2.91

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	M	M	M	M	M	M	3.6	3.7
2012	3.9	4.5	5.3	4.8	5.0	9.9	7.3	7.1	7.3	14.4	14.4	16.2
2013	9.7	12.8	15.7	14.8	13.4	14.3	10.9	10.8	10.3	14.6	13.2	16.9
2014	18.4	19.6	16.5	16.6	14.4	10.8	6.6	6.6	5.5	0.0	3.6	3.4
2015	3.1	4.8	4.8	6.6	5.3	12.1	12.3	12.8	12.2	5.7	6.5	5.4
2016	6.3	5.5	6.5	6.4	6.7	5.8	5.1	4.4	4.9	5.1	4.6	5.4
2017	5.3	6.0	5.5	5.8	M	4.0	3.3	3.6	3.6	3.6	3.6	3.4
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	7.2	8.7	M	M	8.1	7.2	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
2011	M	M	M	M	M	M	M	M	M	M	47.52	36.10
2012	39.63	37.68	53.48	60.24	66.94	62.82	70.50	71.98	59.96	43.65	34.93	20.72
2013	23.62	21.46	30.68	33.78	45.48	61.98	66.05	61.85	60.17	44.74	37.68	29.22
2014	35.92	33.51	38.49	43.07	54.37	75.12	90.61	82.24	81.81	71.33	45.71	38.32
2015	42.20	50.82	59.66	61.68	66.03	62.77	61.22	62.13	62.18	58.83	37.34	27.90
2016	26.07	34.55	40.68	49.73	56.32	75.40	77.53	75.44	65.76	57.34	46.04	29.44
2017	25.85	33.77	40.76	44.02	M	82.99	89.62	86.17	72.17	59.62	51.77	36.73
2018	39.04	38.25	47.30	58.40	68.75	81.28	M	86.95	81.17	58.59	44.72	33.67
2019	35.30	37.87	46.61	58.21	62.27	76.83	88.45	88.41	74.64	53.87	48.07	37.66
2020	40.28	41.55	49.94	58.12	70.99	77.82	89.72	90.92	77.68	64.78	47.99	35.02
2021	39.03	39.99	48.99	56.97	68.13	87.24	91.42	83.46	85.87	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	57.64	70.27	64.75	55.72	38.78	M	M
2024	M	M	M	M	M	63.45	66.64	61.51	57.46	M	41.78	39.85
2025	31.96	41.34	44.79	M	M	68.84	70.46	M	M	M	M	M
NCEI Climatology	30.40	31.00	37.70	43.70	54.41	66.40	73.90	71.70	63.20	50.10	37.70	29.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	M	M	M	M	M	M	20.29	10.28
2012	14.77	18.21	25.72	29.58	34.39	45.14	55.10	55.73	46.55	32.40	25.27	11.47
2013	11.32	8.56	19.08	21.61	33.90	48.10	53.39	49.95	41.88	28.66	23.65	13.17
2014	19.64	18.61	20.66	27.70	36.08	47.33	60.15	59.34	51.03	49.81	18.31	20.20
2015	17.80	22.41	27.86	28.19	41.02	50.55	48.59	50.47	45.05	34.25	16.11	9.16
2016	6.21	9.28	19.04	25.22	32.19	42.41	40.03	36.46	31.69	25.61	15.67	5.08
2017	3.04	11.18	19.43	19.91	M	43.72	51.35	47.29	39.76	24.98	25.14	9.43
2018	14.63	18.53	23.79	29.80	37.40	40.03	M	61.44	54.15	38.06	25.95	19.76
2019	20.03	23.74	30.92	39.09	41.88	51.51	63.80	62.31	50.71	29.84	26.73	24.34
2020	24.79	23.50	33.38	37.21	47.47	52.39	63.20	64.82	49.22	35.59	27.25	18.21
2021	21.41	26.42	28.95	34.43	45.18	65.34	66.71	59.51	61.39	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	43.83	55.43	51.16	43.41	29.29	M	M
2024	M	M	M	M	M	47.12	50.61	47.61	43.39	M	30.93	25.39
2025	18.75	25.27	28.53	M	M	51.34	54.17	M	M	M	M	M
NCEI Climatology	13.10	14.09	19.50	24.39	32.60	40.51	47.81	46.39	38.80	29.30	19.31	12.41

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	M	M	M	M	M	M	33.91	23.19
2012	27.20	27.94	39.60	44.91	50.66	53.98	62.80	63.85	53.25	38.03	30.10	16.09
2013	17.47	15.01	24.88	27.70	39.69	55.04	59.72	55.90	51.03	36.70	30.66	21.20
2014	27.78	26.06	29.58	35.39	45.22	61.22	75.38	70.79	66.42	60.57	32.01	29.26
2015	30.00	36.62	43.76	44.93	53.52	56.66	54.90	56.30	53.61	46.54	26.73	18.53
2016	16.14	21.91	29.86	37.47	44.25	58.91	58.78	55.95	48.73	41.47	30.85	17.26
2017	14.44	22.48	30.09	31.97	M	63.36	70.49	66.73	55.97	42.30	38.45	23.08
2018	26.83	28.39	35.55	44.10	53.08	60.65	M	74.19	67.66	48.33	35.34	26.71
2019	27.67	30.80	38.76	48.65	52.08	64.17	76.13	75.36	62.68	41.85	37.40	31.00
2020	32.53	32.53	41.66	47.66	59.23	65.10	76.46	77.87	63.45	50.18	37.62	26.62
2021	30.22	33.20	38.97	45.70	56.66	76.29	79.06	71.49	73.63	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	50.73	62.85	57.96	49.57	34.04	M	M
2024	M	M	M	M	M	55.28	58.63	54.56	50.42	M	36.35	32.62
2025	25.36	33.30	36.66	M	M	60.09	62.31	M	M	M	M	M
NCEI Climatology	21.75	22.54	28.60	34.05	43.50	53.45	60.85	59.05	51.00	39.70	28.50	21.11

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
2011	M	M	M	M	M	M	M	M	M	M	64.1%	72.0%
2012	70.5%	73.5%	57.3%	55.1%	49.5%	34.8%	43.4%	34.9%	48.9%	51.5%	60.5%	83.3%
2013	62.7%	75.7%	63.6%	69.6%	55.3%	26.5%	45.6%	53.5%	64.0%	50.9%	60.9%	56.6%
2014	44.6%	61.6%	49.1%	48.7%	41.8%	27.8%	38.3%	44.8%	50.0%	39.7%	62.7%	76.7%
2015	76.7%	58.6%	49.0%	40.8%	57.9%	37.9%	47.0%	48.4%	41.0%	62.6%	69.0%	77.7%
2016	82.3%	74.0%	66.9%	65.9%	59.0%	44.7%	47.0%	47.4%	57.4%	64.1%	72.2%	75.9%
2017	85.4%	78.9%	71.2%	61.7%	M	43.7%	46.0%	41.8%	57.3%	53.5%	65.8%	76.2%
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	45.7%	56.9%	M	M	23.7%	30.7%	M	M	M	M	M