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 (USC00402489) 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	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	5.87	4.07	1.28	2.62	4.46	4.86	1.31	5.89
2019	3.65	13.87	2.71	5.80	2.06	2.35	M	3.20	0.10	9.64	5.22	3.73
2020	3.94	4.66	7.33	4.08	4.48	4.07	11.21	4.08	1.68	3.71	1.39	4.22
2021	2.11	5.43	7.59	2.48	4.83	4.18	6.30	12.86	5.65	6.33	M	1.58
2022	3.21	9.60	3.97	6.63	3.04	0.35	3.09	3.67	1.05	1.78	2.67	4.63
2023	5.90	3.03	4.44	3.91	6.07	1.85	6.77	7.43	0.59	0.72	1.92	2.40
2024	5.70	4.04	2.40	2.95	4.66	1.48	4.22	2.01	7.77	0.67	4.44	5.60
2025	3.07	4.59	3.62	8.85	7.45	5.02	2.72	M	M	M	M	M
NCEI Climatology	4.33	5.09	5.44	4.93	5.79	4.02	4.62	3.45	3.45	4.04	3.97	5.13

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	13.5	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	7.1	7.0	5.4	5.1	4.1	5.0	6.8	6.5
2019	7.4	7.6	7.6	7.6	6.0	6.0	M	3.8	4.1	5.2	6.4	6.3
2020	7.0	8.0	8.0	6.6	5.9	5.2	3.8	3.9	4.2	5.3	6.2	7.0
2021	7.2	7.5	7.5	6.7	5.2	5.7	4.5	3.9	3.5	5.4	6.4	8.3
2022	8.0	8.3	9.1	8.1	6.7	5.2	6.0	4.1	4.7	6.4	5.3	6.8
2023	7.6	8.4	8.2	6.8	5.4	4.5	5.1	4.5	3.3	5.8	5.9	6.5
2024	7.2	8.2	7.4	8.7	5.4	4.5	4.4	4.4	4.5	5.0	6.4	7.7
2025	6.6	7.8	9.2	7.9	5.6	4.9	4.2	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	79.88	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	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	82.21	86.42	86.66	87.22	83.00	72.23	49.77	50.29
2019	45.70	54.82	56.45	71.72	78.86	81.70	M	87.97	89.84	71.66	54.86	54.76
2020	49.77	50.81	63.47	67.32	73.34	83.42	88.26	84.14	77.60	68.93	63.92	50.29
2021	47.56	46.26	64.28	68.00	74.39	83.90	85.83	85.71	79.16	72.82	57.68	62.12
2022	44.80	51.35	63.24	68.48	79.21	87.56	91.57	86.06	81.50	70.38	59.60	49.82
2023	53.08	58.29	60.45	69.56	76.65	83.24	86.58	85.19	81.44	71.14	61.46	53.72
2024	41.99	60.06	64.86	71.48	78.66	85.94	87.63	88.55	80.90	75.32	62.90	52.09
2025	43.09	51.93	66.32	74.00	74.33	85.70	89.60	M	M	M	M	M
NCEI Climatology	47.51	52.43	61.10	70.90	77.41	84.10	86.90	86.90	81.30	71.00	59.50	50.40

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	68.48	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	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	64.09	67.34	68.96	67.94	65.90	53.13	33.50	35.25
2019	30.26	38.24	36.70	49.94	60.63	63.77	M	66.66	65.60	50.23	33.44	37.63
2020	34.90	33.49	45.47	46.28	54.88	64.52	69.74	67.13	60.44	50.17	41.60	31.65
2021	31.77	30.49	45.47	46.88	54.18	65.72	68.75	69.28	60.86	55.05	35.90	43.10
2022	26.80	30.01	41.99	48.38	59.29	65.72	71.66	68.00	59.42	46.92	39.68	34.76
2023	36.76	38.75	40.48	48.08	56.85	62.60	68.99	67.48	60.92	51.51	40.28	36.41
2024	27.18	38.58	44.43	52.22	60.25	66.02	68.93	66.72	62.48	51.86	45.86	36.01
2025	25.32	32.58	43.85	51.74	57.61	68.00	71.10	M	M	M	M	M
NCEI Climatology	27.50	30.51	37.70	46.19	54.90	62.90	66.80	65.40	58.50	46.90	36.50	30.59

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	74.18	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	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	73.15	76.88	77.81	77.58	74.45	62.68	41.64	42.77
2019	37.98	46.53	46.57	60.83	69.74	72.73	M	77.32	77.72	60.95	44.15	46.20
2020	42.34	42.15	54.47	56.80	64.11	73.97	79.00	75.64	69.02	59.55	52.76	40.97
2021	39.66	38.37	54.88	57.44	64.28	74.81	77.29	77.49	70.01	63.94	46.79	52.61
2022	35.80	40.68	52.61	58.43	69.25	76.64	81.62	77.03	70.46	58.65	49.64	42.29
2023	44.92	48.52	50.46	58.82	66.75	72.92	77.78	76.33	71.18	61.32	50.87	45.06
2024	34.58	49.32	54.65	61.85	69.45	75.98	78.28	77.64	71.69	63.59	54.38	44.05
2025	34.21	42.25	55.08	62.87	65.97	76.85	80.35	M	M	M	M	M
NCEI Climatology	37.50	41.47	49.40	58.54	66.15	73.50	76.85	76.15	69.90	58.95	48.00	40.50

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	57.2%	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	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	77.0%	79.2%	78.2%	75.5%	80.3%	79.1%	77.2%	78.5%
2019	74.1%	74.9%	58.4%	63.1%	76.4%	75.9%	M	76.9%	65.3%	74.9%	70.6%	73.2%
2020	75.6%	75.1%	74.6%	68.3%	83.4%	78.4%	84.8%	83.8%	81.4%	79.2%	63.7%	70.4%
2021	71.5%	75.4%	60.7%	59.0%	69.1%	77.9%	81.6%	81.6%	82.7%	81.0%	65.0%	72.5%
2022	64.7%	65.2%	56.2%	59.7%	75.0%	65.4%	72.4%	79.1%	69.8%	59.0%	64.7%	77.0%
2023	76.9%	68.5%	60.5%	59.1%	72.7%	74.2%	79.8%	83.2%	77.2%	72.0%	61.3%	69.3%
2024	76.9%	60.8%	61.6%	63.6%	78.2%	74.6%	77.8%	68.2%	76.5%	67.0%	76.3%	70.4%
2025	64.4%	69.8%	51.6%	65.9%	80.6%	81.4%	81.2%	M	M	M	M	M