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 (USC00480432) 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	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	0.96	1.54	1.62	1.89	2.60	1.55	0.82	1.05	1.31	1.55	1.58	1.46

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	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
2011	M	M	M	M	M	M	M	M	M	M	29.69	25.62
2012	27.28	22.95	39.34	48.75	54.96	70.33	76.69	75.14	65.44	47.06	36.60	22.63
2013	24.02	23.24	33.30	37.87	54.29	70.57	75.94	74.07	60.51	41.12	35.03	21.48
2014	26.80	23.66	32.17	41.46	54.53	62.37	74.28	67.37	61.58	51.94	31.02	32.02
2015	30.65	29.18	39.79	43.95	48.10	69.55	68.68	71.81	66.32	55.51	32.29	22.91
2016	25.72	30.58	33.73	43.19	50.91	71.41	74.29	69.91	61.06	48.89	40.33	19.27
2017	22.18	27.22	35.74	39.85	50.87	66.27	74.53	70.84	56.72	45.69	36.12	29.20
2018	28.92	22.81	-42.10	43.96	56.51	66.55	76.77	71.82	67.02	45.13	30.61	22.70
2019	26.29	20.33	31.38	41.44	48.13	62.93	73.10	73.36	63.65	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	33.93	27.47
2021	24.97	20.17	32.58	41.24	52.79	72.56	78.16	71.89	68.79	43.77	39.80	28.34
2022	26.83	23.90	34.61	39.98	49.19	65.14	77.33	M	63.05	50.29	26.66	21.49
2023	22.01	22.49	22.13	34.10	55.40	60.02	73.81	71.02	60.69	50.17	35.79	32.17
2024	25.85	26.93	33.33	44.30	50.14	69.44	71.28	M	63.68	55.69	31.88	32.75
2025	23.56	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	29.51	31.38	38.10	46.20	56.59	68.78	77.89	75.71	66.51	52.00	37.49	28.70

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	12.86	9.85
2012	10.36	7.74	21.54	27.38	33.44	42.40	52.00	49.82	39.83	26.97	20.91	9.77
2013	7.62	7.47	16.15	19.87	35.39	43.50	51.69	50.83	42.56	25.49	18.20	5.60
2014	9.10	9.35	16.78	23.44	35.03	39.30	50.24	46.62	39.76	30.74	14.52	20.50
2015	15.32	13.53	20.27	25.36	32.35	46.66	45.42	46.86	42.09	37.00	15.33	7.55
2016	8.36	14.61	19.16	26.80	31.32	46.38	48.38	45.80	39.15	31.11	23.37	3.91
2017	6.38	14.80	22.45	-42.29	-96.60	-168.89	-134.12	-165.30	-361.45	-226.64	-262.54	-29.66
2018	-8.35	-60.95	-81.51	-64.45	14.09	42.17	50.84	47.70	40.60	26.18	15.13	6.98
2019	9.51	6.34	14.86	25.01	29.16	39.66	46.59	47.14	41.73	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	17.79	11.45
2021	8.83	6.29	16.03	22.16	32.87	46.58	53.25	46.86	45.16	28.95	23.90	13.36
2022	11.04	5.32	15.51	20.30	31.01	40.26	51.53	M	43.25	30.03	11.90	6.57
2023	7.67	6.22	7.90	19.58	36.65	42.20	48.37	48.95	41.34	29.74	20.70	15.86
2024	9.94	13.47	18.47	24.74	29.91	45.14	46.51	M	40.40	34.26	15.32	15.86
2025	7.81	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	1.21	7.19	13.30	20.91	28.79	37.21	43.21	42.01	33.09	22.71	12.39	4.70

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	21.27	17.74
2012	18.82	15.34	30.44	38.06	44.20	56.37	64.35	62.48	52.63	37.02	28.75	16.20
2013	15.82	15.36	24.72	28.87	44.84	57.04	63.82	62.45	51.54	33.31	26.62	13.54
2014	17.95	16.50	24.47	32.45	44.78	50.83	62.26	56.99	50.67	41.34	22.77	26.26
2015	22.99	21.35	30.03	34.65	40.22	58.10	57.05	59.33	54.21	46.26	23.81	15.23
2016	17.04	22.59	26.44	35.00	41.11	58.89	61.33	57.86	50.11	40.00	31.85	11.59
2017	14.28	21.01	29.09	-1.22	-22.86	-51.31	-29.80	-47.23	-152.37	-90.48	-113.21	-0.23
2018	10.29	-19.07	-61.80	-10.25	35.30	54.36	63.81	59.76	53.81	35.66	22.87	14.84
2019	17.90	13.33	23.12	33.22	38.64	51.30	59.85	60.25	52.69	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	25.86	19.46
2021	16.90	13.23	24.31	31.70	42.83	59.57	65.71	59.38	56.97	36.36	31.85	20.85
2022	18.94	14.61	25.06	30.14	40.10	52.70	64.43	M	53.15	40.16	19.28	14.03
2023	14.84	14.35	15.02	26.84	46.02	51.11	61.09	59.99	51.01	39.95	28.24	24.02
2024	17.89	20.20	25.90	34.52	40.03	57.29	58.89	M	52.04	44.98	23.60	24.31
2025	15.69	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	15.36	19.28	25.70	33.55	42.69	52.99	60.55	58.86	49.80	37.35	24.94	16.70

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	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