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 (USW00054797) 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	M
2011	M	M	M	M	M	3.68	2.25	8.23	2.57	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	0.43	M	M	M	M	M	M	M	M
2016	3.26	5.60	3.36	4.09	2.93	1.73	2.07	2.21	3.90	5.73	4.53	4.05
2017	5.85	2.54	4.18	7.89	5.29	2.86	2.37	2.08	3.99	6.22	3.02	3.45
2018	6.25	7.72	4.20	5.20	2.64	2.43	1.57	3.82	4.49	6.55	9.38	3.86
2019	6.95	5.62	3.73	6.72	3.94	6.14	5.53	2.90	1.02	M	M	M
2020	M	M	5.87	4.45	3.10	1.67	2.91	1.08	1.02	6.07	7.81	8.79
2021	2.67	6.51	3.38	3.62	4.66	1.79	4.77	6.14	8.82	4.87	1.91	2.25
2022	4.47	8.05	3.72	4.25	2.52	4.01	0.96	3.72	6.16	5.71	2.34	M
2023	M	2.87	5.90	4.63	4.41	4.74	6.07	4.74	7.09	3.96	2.91	6.67
2024	9.93	3.77	11.58	4.79	9.31	4.24	5.46	5.44	2.88	1.28	0.29	M
NCEI Climatology	4.17	3.99	5.69	4.50	3.58	3.99	3.31	4.08	4.30	4.49	4.38	5.23

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
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	44.25
2011	36.03	41.76	49.35	58.43	68.42	77.31	84.20	80.40	75.13	64.49	58.69	51.20
2012	46.36	47.70	56.77	61.97	69.10	76.66	84.56	81.04	73.08	65.78	50.93	53.87
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	78.60	75.93	65.60	53.62	47.52
2015	37.65	31.61	42.90	58.86	72.14	74.92	82.81	82.21	77.88	60.93	55.62	53.59
2016	39.62	42.24	50.87	54.56	66.43	75.46	83.38	82.65	74.00	63.80	57.01	45.51
2017	43.32	47.19	45.80	62.90	65.62	76.95	80.31	79.96	75.58	68.60	55.31	40.59
2018	39.69	48.86	45.20	55.80	72.41	76.98	83.10	84.86	76.44	63.21	51.84	45.81
2019	41.98	41.95	45.58	59.85	66.90	76.41	84.75	80.35	75.10	M	M	M
2020	M	M	54.31	54.50	67.12	77.89	83.62	84.21	76.75	65.89	61.35	47.30
2021	41.84	40.28	53.66	60.59	69.73	79.81	80.42	82.06	75.95	68.49	55.44	49.01
2022	40.85	46.51	53.35	59.15	69.79	77.82	84.24	85.23	74.85	65.90	60.05	M
2023	M	48.86	50.69	62.38	69.58	74.56	83.84	78.87	75.43	67.14	50.99	48.06
2024	39.14	41.71	51.50	56.24	65.90	77.52	80.94	78.59	72.06	65.92	60.28	M
NCEI Climatology	37.40	39.20	46.19	56.39	65.90	74.60	80.31	79.10	72.70	62.40	52.00	42.90

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	15.60
2011	10.76	13.11	27.01	37.93	48.05	53.82	61.27	58.17	56.88	40.97	32.95	25.19
2012	21.60	23.58	33.36	36.55	50.57	53.61	61.59	60.54	51.21	43.62	28.26	30.59
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	52.94	50.38	41.37	26.68	27.09
2015	11.59	1.27	17.46	33.95	46.52	52.61	59.93	59.65	53.84	39.55	34.95	36.01
2016	21.15	22.08	31.89	33.80	44.91	52.61	60.64	60.86	55.06	42.15	30.30	21.56
2017	22.24	21.45	22.99	40.23	45.64	53.72	60.20	56.53	53.89	42.52	28.72	18.62
2018	14.20	25.67	28.59	32.69	48.78	54.24	61.27	64.00	57.18	40.29	28.72	22.90
2019	16.94	21.08	24.33	38.10	46.36	54.87	62.32	59.38	50.37	M	M	M
2020	M	M	31.27	32.97	44.44	55.95	64.57	62.23	50.83	41.96	31.02	22.51
2021	20.88	19.84	25.92	36.07	44.38	56.75	60.98	63.64	54.82	47.13	27.33	26.28
2022	13.00	16.45	27.83	36.10	48.89	53.85	61.51	62.60	52.41	41.54	30.93	M
2023	M	20.71	27.82	37.56	41.10	54.22	64.79	58.14	55.25	43.77	27.34	29.72
2024	24.58	23.11	33.29	36.61	48.55	56.71	64.72	58.41	52.39	38.51	33.60	M
NCEI Climatology	19.30	20.80	27.19	35.70	45.10	54.31	60.40	59.00	51.69	41.10	32.10	25.00

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	29.92
2011	23.39	27.43	38.18	48.18	58.23	65.56	72.74	69.29	66.11	52.35	45.82	38.20
2012	34.26	35.64	45.06	49.26	59.84	65.14	73.08	70.79	62.15	54.70	39.60	42.23
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	65.77	63.15	53.49	40.15	37.31
2015	24.60	16.44	30.18	46.41	59.33	63.77	71.37	70.93	65.86	50.24	45.29	44.80
2016	30.38	32.16	41.38	44.18	55.67	64.04	72.01	71.76	64.53	52.98	43.65	33.53
2017	32.78	34.32	34.40	51.56	55.63	65.33	70.26	68.24	64.74	55.56	42.01	29.60
2018	26.95	37.27	36.90	44.24	60.59	65.61	72.18	74.43	66.81	51.75	40.28	34.35
2019	29.46	31.51	34.95	48.98	56.63	65.64	73.53	69.86	62.73	M	M	M
2020	M	M	42.79	43.73	55.78	66.92	74.10	73.22	63.79	53.92	46.19	34.90
2021	31.36	30.06	39.79	48.33	57.05	68.28	70.70	72.85	65.38	57.81	41.38	37.64
2022	26.93	31.48	40.59	47.62	59.34	65.83	72.87	73.92	63.68	53.72	45.49	M
2023	M	34.79	39.25	49.97	55.34	64.39	74.32	68.51	65.34	55.46	39.17	38.89
2024	31.86	32.41	42.39	46.43	57.23	67.12	72.83	68.50	62.22	52.21	46.94	M
NCEI Climatology	28.35	30.00	36.69	46.04	55.50	64.45	70.36	69.05	62.20	51.75	42.05	33.95

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