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 (USC00323621) 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
2010	M	M	M	M	M	M	M	M	M	M	M	0.00
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	0.00	M	2.06	0.02	0.03	0.00	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	2.37	1.31	0.53	0.27	0.11
2015	0.28	0.26	0.35	0.54	4.06	1.85	4.95	2.44	0.44	0.45	0.00	M
2016	0.00	M	0.00	0.23	0.00	2.66	5.26	1.25	1.10	0.94	1.34	1.77
2017	0.61	0.50	0.53	1.43	1.15	5.61	1.15	0.84	4.88	0.35	0.37	0.98
2018	0.62	0.51	1.42	0.62	2.10	6.18	4.00	1.34	2.70	3.23	0.52	0.73
2019	0.36	1.40	1.21	1.95	1.68	3.08	3.98	3.93	8.41	4.37	1.29	1.74
2020	0.70	0.08	0.38	1.88	1.23	4.56	5.21	3.27	0.22	0.29	0.10	0.32
2021	0.28	0.18	0.21	1.06	0.39	M	M	M	0.00	0.05	M	M
2022	M	M	M	M	M	M	0.00	M	0.21	M	M	M
2023	M	M	M	2.03	0.99	1.39	1.11	0.60	1.87	2.81	M	0.00
2024	M	M	M	M	M	0.00	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.52	0.59	0.91	1.19	2.93	4.13	3.55	3.03	2.42	2.00	0.87	0.73

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	M
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	M
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	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
2010	M	M	M	M	M	M	M	M	M	M	M	20.00
2011	M	M	M	M	M	M	M	M	70.57	61.53	42.13	30.70
2012	24.41	M	M	M	64.33	M	85.45	80.42	71.51	50.18	33.83	29.80
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	77.12	72.52	58.96	30.53	26.50
2015	25.46	16.36	44.10	58.56	65.65	78.13	81.69	81.61	76.92	59.10	41.44	28.35
2016	22.26	28.53	45.76	49.77	70.39	75.44	79.38	79.65	67.22	54.98	48.58	21.49
2017	18.58	29.80	36.91	56.92	69.31	80.01	84.09	81.12	75.44	62.29	33.62	20.63
2018	18.93	17.77	36.18	47.32	79.82	82.97	83.78	82.05	70.55	48.26	27.36	26.18
2019	13.10	7.82	28.55	50.38	63.74	78.03	82.71	77.27	68.31	46.32	31.87	19.94
2020	18.78	22.52	34.13	47.50	64.81	81.70	83.55	80.58	69.93	48.65	41.47	30.71
2021	25.04	13.68	47.81	54.36	66.16	84.15	85.75	81.30	75.24	59.36	38.08	22.45
2022	13.65	14.94	32.36	40.46	64.23	78.41	81.11	79.55	71.69	58.52	34.90	15.33
2023	16.94	20.96	25.72	44.46	78.32	84.31	81.74	82.17	78.41	57.41	38.21	34.64
2024	20.00	33.12	35.77	55.58	65.83	74.26	81.35	77.95	78.36	61.57	37.48	23.66
2025	8.10	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	15.31	21.08	34.00	51.90	66.50	75.89	80.10	79.21	69.60	53.19	34.99	21.20

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	-3.00
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	53.00	M	59.08	57.16	47.93	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	60.50	43.10	37.98	14.04	14.51
2015	6.20	-6.71	30.63	36.46	51.33	51.00	66.87	61.22	48.80	25.05	26.08	14.92
2016	4.12	13.16	27.62	31.69	48.51	56.74	60.18	58.94	51.32	38.91	32.91	8.99
2017	5.32	12.02	18.37	32.85	44.64	55.81	60.61	55.60	39.73	30.03	16.97	3.24
2018	-1.51	-6.96	13.72	24.31	43.25	48.68	54.73	56.84	40.90	30.64	9.68	9.99
2019	-4.29	-8.68	10.90	32.80	41.16	55.07	60.35	56.53	51.02	33.58	19.63	3.48
2020	2.68	1.21	16.81	27.93	42.00	57.70	63.03	58.29	46.60	28.84	20.20	12.03
2021	9.99	-3.14	22.06	28.92	39.03	58.23	62.86	57.25	50.77	40.97	23.25	3.11
2022	-7.56	-7.52	15.48	27.05	44.90	55.89	61.22	59.00	49.50	36.09	18.87	2.07
2023	3.17	0.71	4.69	25.91	49.90	61.90	57.11	58.86	50.65	36.90	22.43	20.18
2024	7.55	18.33	18.54	34.18	46.19	54.53	62.09	58.03	55.70	39.04	25.00	10.98
2025	-1.07	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	-1.00	3.59	16.90	31.01	43.50	54.79	58.89	56.39	47.39	34.40	19.60	6.01

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	8.50
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	53.00	M	72.27	68.46	58.46	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	69.23	54.66	48.67	22.72	20.38
2015	16.13	5.26	42.49	46.21	63.50	64.61	74.83	72.00	65.26	43.45	33.76	21.64
2016	13.19	20.84	36.69	40.73	59.45	66.09	69.78	69.29	59.27	46.95	40.74	16.00
2017	11.95	20.91	27.64	44.89	56.98	67.91	72.35	68.36	57.22	46.16	25.29	12.29
2018	8.50	5.41	24.95	35.82	61.28	65.82	68.86	69.45	55.73	39.21	18.52	18.09
2019	4.40	-0.43	19.73	41.59	52.45	66.55	71.53	66.90	59.69	39.95	25.75	11.71
2020	10.73	11.86	25.47	37.72	53.40	69.70	73.29	69.44	58.27	38.74	30.83	21.37
2021	17.51	5.27	34.94	41.64	52.60	71.19	74.31	69.28	63.00	50.17	30.67	12.78
2022	3.05	3.71	23.92	33.75	54.56	67.15	71.17	69.27	60.60	47.31	26.88	8.70
2023	10.05	10.84	15.20	35.19	64.11	73.09	69.42	70.52	64.53	47.15	30.32	27.41
2024	13.77	25.73	27.15	44.88	56.01	64.39	71.72	67.99	67.03	50.30	31.24	17.32
2025	3.52	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	7.15	12.33	25.45	41.45	55.00	65.34	69.50	67.80	58.50	43.80	27.30	13.60

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
2010	M	M	M	M	M	M	M	M	M	M	M	M
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	M
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