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 (USW00054788) 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
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
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.05	3.05	4.05	4.13	3.48	4.05	3.38	3.54	4.28	4.49	3.36	4.12

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	M	M	M	M	M	M	M	M	1.8	1.7
2022	2.3	2.4	2.6	2.9	2.1	1.8	1.8	1.6	1.3	1.3	1.9	2.0
2023	1.8	2.2	2.5	2.2	1.9	1.7	1.2	M	M	M	M	M
2024	M	1.9	2.9	2.3	1.7	1.8	1.5	1.3	1.2	1.4	2.0	1.7
2025	2.5	2.4	2.7	2.6	2.0	1.6	1.6	1.4	1.2	1.6	1.9	2.1
2026	1.8	2.0	2.1	2.1	1.9	1.6	1.5	1.2	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
2021	M	M	M	M	M	M	M	M	M	M	51.55	45.32
2022	34.51	42.53	50.37	58.80	71.96	77.33	85.10	85.08	73.99	63.60	55.80	43.01
2023	45.07	44.22	48.72	63.55	70.34	75.59	75.87	M	M	M	M	M
2024	M	41.84	50.53	59.30	70.73	81.13	83.08	79.87	74.37	67.60	58.48	41.28
2025	35.02	37.56	53.15	61.05	68.42	79.65	85.42	81.57	76.92	64.29	51.34	37.85
2026	33.77	36.40	51.59	62.13	69.33	81.58	82.57	81.88	M	M	M	M
NCEI Climatology	36.99	39.22	47.50	59.90	70.40	78.69	84.01	82.40	75.41	63.60	52.00	41.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	M	M	M	M	M	M	M	M	29.02	29.21
2022	14.27	20.37	29.32	36.33	50.21	55.04	62.78	63.91	52.99	41.66	33.86	24.41
2023	30.41	23.22	29.39	40.21	42.00	54.77	62.28	M	M	M	M	M
2024	M	27.26	32.84	37.67	49.81	58.10	65.34	60.47	52.54	40.80	33.29	22.98
2025	17.95	20.99	30.01	39.00	49.89	59.20	64.80	55.43	53.22	41.82	30.70	19.96
2026	15.57	15.98	29.70	37.69	46.77	56.16	62.00	62.83	M	M	M	M
NCEI Climatology	18.69	20.31	28.21	37.80	47.80	56.99	62.50	61.10	53.60	41.80	32.09	24.50

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	M	M	M	M	M	M	M	M	40.29	37.26
2022	24.39	31.45	39.84	47.57	61.09	66.18	73.94	74.50	63.49	52.63	44.83	33.71
2023	37.74	33.72	39.06	51.88	56.17	65.18	69.08	M	M	M	M	M
2024	M	34.55	41.68	48.48	60.27	69.62	74.21	70.17	63.45	54.20	45.88	32.13
2025	26.49	29.28	41.58	50.03	59.16	69.42	75.11	68.50	65.07	53.06	41.02	28.91
2026	24.67	26.19	40.65	49.91	58.05	68.87	72.29	72.35	M	M	M	M
NCEI Climatology	27.84	29.76	37.85	48.85	59.10	67.84	73.25	71.75	64.50	52.70	42.05	33.10

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
2021	M	M	M	M	M	M	M	M	M	M	76.9%	81.1%
2022	72.6%	73.3%	69.3%	64.8%	72.8%	76.3%	73.7%	78.6%	83.6%	84.8%	78.1%	76.9%
2023	81.8%	71.2%	71.4%	69.9%	66.3%	80.9%	87.6%	M	M	M	M	M
2024	M	69.9%	63.2%	71.4%	81.7%	77.4%	85.3%	86.6%	84.4%	78.3%	68.9%	79.3%
2025	68.4%	70.6%	68.1%	67.1%	80.7%	80.0%	81.7%	77.3%	84.2%	79.5%	75.6%	72.6%
2026	74.6%	72.8%	74.0%	72.3%	73.7%	73.8%	81.5%	86.5%	M	M	M	M