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 (USC00407359) 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	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	2.33	0.16	1.34	3.49
2017	2.09	1.33	3.99	4.05	5.38	1.95	3.92	6.24	5.10	3.13	1.82	3.66
2018	1.54	8.20	4.16	4.99	4.29	3.45	2.45	3.52	4.14	4.41	3.89	5.01
2019	0.34	M	M	5.10	3.17	10.89	1.61	5.73	0.71	8.63	5.86	5.74
2020	4.63	3.84	7.61	3.90	3.64	4.84	6.31	6.61	3.71	2.86	1.27	3.30
2021	3.22	4.66	2.46	0.41	0.95	5.06	2.85	5.70	3.03	3.06	1.91	2.62
2022	3.58	7.96	2.83	4.52	3.44	1.24	2.96	0.95	1.78	1.86	5.07	4.76
2023	2.73	2.89	4.51	2.93	4.89	4.17	4.77	2.86	2.14	1.15	1.69	1.52
2024	4.17	1.82	1.94	1.84	9.13	4.12	3.64	1.35	5.57	0.46	2.61	4.79
2025	3.04	8.01	5.45	6.13	5.03	6.33	2.49	M	M	M	M	M
NCEI Climatology	4.20	4.86	5.08	5.24	5.80	4.36	4.57	4.15	3.64	3.69	3.78	5.11

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	6.3	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	1.8	3.7	5.3	5.9	7.1
2017	7.9	8.2	8.5	7.7	6.4	5.2	3.9	3.6	4.0	5.8	6.6	6.7
2018	7.8	8.3	7.7	7.4	5.4	4.7	3.6	4.6	4.1	5.4	7.0	6.5
2019	6.4	M	M	7.3	5.9	5.2	3.8	3.3	3.6	4.9	6.1	5.9
2020	7.4	8.4	8.1	6.4	6.0	5.3	3.7	3.7	4.1	5.3	6.4	7.2
2021	6.9	7.7	7.7	6.7	4.9	5.8	4.1	3.5	3.8	5.7	6.3	8.2
2022	7.4	8.5	8.4	7.5	6.6	4.9	4.7	3.5	4.5	6.1	5.4	6.9
2023	7.6	8.5	7.9	7.6	5.2	4.6	4.3	3.9	3.3	5.4	6.0	6.4
2024	7.5	8.6	7.4	8.2	5.0	4.7	3.9	3.8	4.2	4.7	6.9	8.1
2025	6.5	7.5	9.0	7.9	5.7	5.1	4.4	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	78.10	M	M	M
2011	M	M	M	M	M	M	75.20	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	88.92	87.05	84.53	76.04	62.86	47.62
2017	51.45	58.61	61.09	73.88	76.83	82.85	87.80	83.39	79.34	71.43	59.00	45.82
2018	42.16	56.75	56.79	62.24	83.50	87.08	87.05	86.12	83.30	70.96	52.46	50.41
2019	54.20	M	M	71.48	78.33	83.36	86.87	87.51	89.06	72.06	53.72	54.41
2020	49.22	50.06	62.60	65.84	73.76	84.56	89.77	85.25	78.62	69.34	62.90	49.25
2021	45.88	42.35	63.41	66.75	76.91	84.92	87.08	86.24	79.46	72.47	55.96	60.86
2022	42.97	50.64	62.31	66.68	79.15	88.04	90.93	85.10	81.02	69.68	59.12	48.49
2023	51.41	57.84	59.60	71.60	76.76	82.82	86.87	84.43	81.34	70.90	60.86	52.90
2024	41.17	58.93	63.41	73.10	77.73	86.42	87.22	87.68	82.34	75.37	61.52	51.10
2025	41.52	51.67	65.27	72.74	74.50	85.94	87.97	M	M	M	M	M
NCEI Climatology	45.30	50.43	59.09	69.80	77.70	85.31	88.80	88.11	82.20	71.39	58.91	48.90

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	69.00	M	M	M
2011	M	M	M	M	M	M	75.20	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	71.30	70.50	62.07	52.64	42.22	31.13
2017	36.99	38.69	40.13	53.36	57.90	64.67	69.34	65.27	58.46	49.71	39.44	28.75
2018	23.75	38.43	38.15	42.14	63.41	68.24	68.58	68.17	65.60	50.75	35.48	34.79
2019	39.40	M	M	50.50	60.27	64.52	69.05	66.49	64.10	49.48	32.60	36.99
2020	35.30	33.06	44.60	44.24	55.58	63.74	70.26	67.25	59.30	49.19	40.64	30.14
2021	30.72	27.50	42.92	45.02	56.00	65.84	68.30	68.66	60.02	55.28	34.42	40.59
2022	23.35	29.43	40.94	47.00	59.06	64.70	71.13	65.95	58.76	45.12	38.18	31.94
2023	35.28	38.56	39.20	47.22	56.66	61.46	69.10	66.61	59.56	50.41	39.39	35.08
2024	26.77	37.47	42.86	55.18	59.53	65.84	69.22	66.14	61.64	49.13	45.44	34.67
2025	22.30	31.04	41.75	50.66	58.13	68.12	71.34	M	M	M	M	M
NCEI Climatology	26.60	29.61	37.00	46.50	56.60	64.80	68.49	66.91	59.60	47.89	37.39	30.20

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	73.55	M	M	M
2011	M	M	M	M	M	M	75.20	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	80.11	78.77	73.30	64.34	52.54	39.37
2017	44.22	48.65	50.61	63.62	67.36	73.76	78.57	74.33	68.90	60.57	49.22	37.28
2018	32.96	47.59	47.47	52.19	73.46	77.66	77.81	77.15	74.45	60.86	43.97	42.60
2019	46.80	M	M	60.99	69.30	73.94	77.96	77.00	76.58	60.77	43.16	45.70
2020	42.26	41.56	53.60	55.04	64.67	74.15	80.02	76.25	68.96	59.26	51.77	39.69
2021	38.30	34.92	53.16	55.88	66.46	75.38	77.69	77.45	69.74	63.88	45.19	50.73
2022	33.16	40.04	51.63	56.84	69.10	76.37	81.03	75.53	69.89	57.40	48.65	40.22
2023	43.35	48.20	49.40	59.41	66.71	72.14	77.99	75.52	70.45	60.65	50.12	43.99
2024	33.97	48.20	53.14	64.14	68.63	76.13	78.22	76.91	71.99	62.25	53.48	42.89
2025	31.91	41.35	53.51	61.70	66.32	77.03	79.66	M	M	M	M	M
NCEI Climatology	35.95	40.02	48.05	58.15	67.15	75.05	78.65	77.51	70.90	59.64	48.15	39.55

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	74.2%	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	79.1%	75.9%	69.9%	66.1%	76.1%
2017	77.6%	67.1%	62.3%	69.4%	73.1%	75.7%	78.6%	80.2%	80.6%	77.0%	72.9%	72.5%
2018	69.6%	79.4%	70.4%	67.6%	75.5%	76.8%	78.2%	78.7%	82.7%	78.8%	80.5%	79.8%
2019	76.6%	M	M	67.6%	76.5%	76.1%	80.8%	79.5%	72.4%	78.0%	75.3%	75.8%
2020	78.6%	74.8%	74.9%	68.4%	75.8%	74.5%	80.0%	84.0%	83.3%	81.7%	67.5%	75.7%
2021	76.8%	80.4%	63.1%	61.0%	67.0%	76.6%	80.2%	83.3%	83.6%	82.8%	69.7%	78.1%
2022	73.5%	68.8%	60.8%	67.0%	76.5%	67.3%	77.7%	81.0%	75.4%	64.2%	70.5%	78.5%
2023	79.4%	70.5%	67.6%	61.5%	75.5%	75.4%	81.9%	84.2%	79.2%	75.9%	67.3%	76.0%
2024	81.7%	64.1%	66.5%	69.2%	82.5%	76.5%	82.4%	74.6%	77.6%	72.0%	80.3%	75.5%
2025	71.2%	76.4%	57.3%	71.2%	81.5%	84.8%	83.9%	M	M	M	M	M