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 (USC00046943) 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
2018	M	M	M	M	M	M	M	M	M	0.30	M	0.37
2019	1.63	0.54	0.13	0.20	1.15	M	M	M	M	M	2.16	3.19
2020	0.37	M	4.73	1.19	0.20	M	0.11	M	M	0.03	0.35	1.23
2021	4.69	0.31	0.91	M	M	0.09	M	M	M	1.59	0.17	5.12
2022	0.01	0.07	0.68	0.17	M	M	0.15	M	1.56	M	1.02	4.67
2023	6.56	2.56	5.34	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.48	4.14	2.98	1.00	0.46	0.15	0.02	0.02	0.08	0.79	1.81	3.08

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	3.6	3.5	3.2	3.2	M	3.8
2019	4.4	6.3	4.8	4.0	5.0	3.9	4.1	3.3	3.8	3.6	3.7	3.9
2020	4.4	4.1	4.7	5.0	4.6	4.5	4.1	3.3	2.5	2.5	4.0	3.6
2021	4.6	4.8	4.7	4.9	4.9	4.7	4.1	3.6	3.1	3.8	3.0	4.3
2022	3.2	4.2	4.7	5.4	5.2	4.4	4.1	3.7	3.4	3.1	3.7	4.0
2023	5.1	4.9	5.7	5.5	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
2018	M	M	M	M	M	M	65.65	66.66	65.12	69.92	M	63.36
2019	62.54	57.84	62.95	62.96	62.37	64.34	64.23	65.74	70.34	70.09	64.46	62.14
2020	64.34	64.15	61.90	63.50	66.20	65.96	65.04	68.00	65.78	70.55	66.08	63.88
2021	64.52	63.76	59.81	59.96	60.63	65.72	64.52	65.79	66.32	67.19	69.08	59.70
2022	64.86	64.79	62.37	64.58	63.30	65.00	64.23	66.03	71.06	65.97	63.92	60.86
2023	59.70	59.75	58.48	58.00	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	64.81	65.14	67.50	69.70	72.30	70.50	70.30	71.40	71.91	72.50	69.00	65.01

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	55.95	53.66	51.08	48.88	M	40.15
2019	42.57	39.91	44.95	48.56	50.99	53.66	53.83	54.47	52.46	43.79	41.48	43.90
2020	41.17	38.77	45.99	47.12	48.72	51.98	53.37	55.34	52.22	50.23	40.64	37.75
2021	41.52	40.81	40.01	44.12	47.04	52.82	55.86	55.52	52.34	46.17	43.64	40.59
2022	38.27	35.73	41.52	43.64	44.89	49.46	53.95	54.76	55.70	49.19	36.62	42.34
2023	41.70	37.40	46.18	42.00	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	44.21	44.04	46.18	48.21	49.50	51.40	53.91	54.80	53.60	52.60	46.40	43.70

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	60.80	60.16	58.10	59.40	M	51.75
2019	52.55	48.88	53.95	55.76	56.68	59.00	59.03	60.10	61.40	56.94	52.97	53.02
2020	52.76	51.46	53.95	55.31	57.46	58.97	59.20	61.67	59.00	60.39	53.36	50.81
2021	53.02	52.28	49.91	52.04	53.83	59.27	60.19	60.65	59.33	56.68	56.36	50.15
2022	51.57	50.26	51.95	54.11	54.09	57.23	59.09	60.39	63.38	57.58	50.27	51.60
2023	50.70	48.58	52.32	50.00	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	54.51	54.59	56.84	58.95	60.90	60.95	62.10	63.10	62.75	62.55	57.70	54.35

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
2018	M	M	M	M	M	M	87.6%	86.8%	88.5%	84.1%	M	75.5%
2019	80.2%	77.7%	78.8%	84.5%	83.1%	87.3%	89.5%	90.2%	82.4%	70.3%	78.0%	79.0%
2020	74.4%	71.7%	78.2%	80.5%	81.4%	82.7%	85.6%	86.6%	91.2%	80.9%	71.6%	72.4%
2021	72.0%	70.7%	76.7%	82.3%	84.5%	84.1%	89.0%	90.3%	89.3%	79.6%	75.6%	85.2%
2022	75.2%	66.5%	80.7%	77.4%	80.5%	87.0%	92.0%	92.9%	89.6%	89.5%	76.1%	87.2%
2023	86.4%	75.7%	88.7%	83.9%	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M