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 (USC00447278) 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	4.61
2012	4.76	4.39	3.46	7.30	8.20	3.33	3.84	5.69	4.72	3.24	1.81	6.90
2013	11.31	6.63	6.66	7.04	8.80	8.78	11.12	3.54	1.73	3.63	6.48	12.04
2014	6.09	5.95	6.31	8.27	3.98	1.50	2.75	4.15	M	M	M	M
2015	1.91	8.04	8.94	9.69	2.09	M	5.14	2.63	M	M	0.02	7.55
2016	4.52	10.53	5.93	2.48	9.84	3.91	4.10	M	M	5.76	2.31	2.83
2017	6.59	1.66	5.36	9.70	6.87	3.89	3.57	3.34	3.82	0.00	M	M
2018	M	M	5.59	8.18	10.36	3.33	0.53	1.42	12.03	6.68	12.25	13.55
2019	6.66	15.47	5.48	7.55	2.10	M	M	M	0.25	11.51	3.99	7.67
2020	7.26	5.07	M	10.83	19.16	9.82	3.85	7.43	3.39	M	M	M
2021	M	M	M	0.00	4.42	3.77	4.08	6.33	7.66	4.31	1.58	2.17
2022	5.52	7.68	6.02	6.50	10.75	2.28	6.01	5.07	7.23	4.39	3.14	10.49
2023	5.46	9.03	4.28	8.12	6.22	7.81	5.98	4.16	4.46	3.20	5.43	12.74
2024	5.08	4.52	7.70	4.25	1.83	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.30	2.83	3.78	3.98	4.42	5.20	4.67	3.77	4.33	3.16	3.03	3.33

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	M	50.98
2012	48.81	51.69	61.70	63.06	76.85	81.50	87.58	82.72	76.05	64.55	52.95	50.57
2013	47.45	43.82	47.74	66.33	71.52	80.05	81.56	79.91	73.57	66.79	53.24	50.88
2014	39.87	46.98	53.93	68.17	78.32	83.89	83.24	77.74	M	M	M	M
2015	43.45	40.44	53.84	67.91	79.20	M	86.97	85.43	M	M	62.39	61.43
2016	42.62	46.09	63.92	69.50	71.41	76.48	83.37	73.04	M	71.16	60.84	43.82
2017	48.24	59.13	58.10	70.94	74.63	82.92	88.85	84.30	79.42	75.02	M	M
2018	M	M	52.76	65.59	81.72	84.72	86.49	85.87	80.64	68.93	52.60	49.23
2019	43.34	52.96	55.64	71.37	79.97	M	M	M	85.36	71.57	54.36	51.50
2020	49.69	56.98	M	65.34	70.85	82.03	90.88	85.45	76.60	M	M	M
2021	M	M	M	76.55	75.18	84.45	87.86	88.29	80.82	72.35	56.82	57.90
2022	42.61	52.75	62.47	68.07	76.88	85.59	88.17	84.79	78.26	59.79	52.81	45.09
2023	50.40	59.83	59.15	72.28	73.66	80.17	88.90	85.85	80.78	71.99	60.58	53.19
2024	45.21	56.27	62.79	70.87	79.64	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	46.20	49.42	57.80	68.19	75.60	82.20	86.10	84.91	78.80	68.70	57.90	48.70

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	M	40.60
2012	33.00	31.48	44.48	47.29	57.14	59.16	67.23	64.27	55.83	44.61	31.52	33.49
2013	30.58	28.18	31.08	45.51	52.25	62.10	66.64	65.36	55.29	48.71	34.49	33.50
2014	20.18	28.80	33.22	44.11	55.64	67.38	65.92	63.19	M	M	M	M
2015	27.07	20.20	36.44	47.10	56.92	M	68.48	64.42	M	M	44.27	46.18
2016	24.55	31.71	43.97	45.46	53.85	67.87	68.89	73.04	M	50.24	41.99	30.80
2017	34.52	36.44	37.91	53.97	66.30	60.90	66.71	64.23	57.13	42.75	M	M
2018	M	M	-22.56	-206.51	-73.53	64.69	63.40	65.33	65.38	51.50	36.42	32.91
2019	27.68	34.62	35.08	48.07	57.94	M	M	M	62.80	51.53	32.71	33.77
2020	32.64	40.33	M	45.32	52.80	61.14	68.60	67.56	57.73	M	M	M
2021	M	M	M	62.51	52.30	63.07	66.63	67.37	58.59	54.22	33.40	37.27
2022	24.00	30.34	40.45	46.41	55.40	62.93	68.33	65.81	57.83	48.67	31.95	28.52
2023	34.49	39.38	38.42	47.28	53.02	58.15	67.02	65.22	58.56	48.43	35.18	33.67
2024	28.54	33.93	43.02	50.57	58.16	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	24.80	26.68	33.20	42.11	51.30	60.00	64.00	62.91	56.40	44.69	34.09	28.50

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	M	45.79
2012	40.90	41.58	53.09	55.17	67.00	70.33	77.40	73.50	65.94	54.58	42.23	42.03
2013	39.01	36.00	39.41	55.92	61.88	71.08	74.10	72.64	64.43	57.75	43.87	42.19
2014	30.03	37.89	43.57	56.14	66.98	75.63	74.58	70.46	M	M	M	M
2015	35.26	30.32	45.14	57.51	68.06	M	77.73	74.92	M	M	53.33	53.81
2016	33.59	38.90	53.95	57.48	62.63	72.17	76.13	73.04	M	60.70	51.41	37.31
2017	41.38	47.79	48.01	62.46	70.47	71.91	77.78	74.27	68.28	58.89	M	M
2018	M	M	15.10	-70.46	4.09	74.71	74.94	75.60	73.01	60.22	44.51	41.07
2019	35.51	43.79	45.36	59.72	68.96	M	M	M	74.08	61.55	43.54	42.64
2020	41.17	48.65	M	55.33	61.83	71.59	79.74	76.50	67.16	M	M	M
2021	M	M	M	69.53	63.74	73.76	77.24	77.83	69.70	63.29	45.11	47.58
2022	33.31	41.55	51.46	57.24	66.14	74.26	78.25	75.30	68.04	54.23	42.38	36.81
2023	42.45	49.61	48.79	59.78	63.34	69.16	77.96	75.53	69.67	60.21	47.88	43.43
2024	36.88	45.10	52.90	60.72	68.90	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	35.50	38.05	45.50	55.15	63.45	71.10	75.05	73.91	67.60	56.70	46.00	38.60

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
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