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 (USC00420527) 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	0.35	0.12	M	M	1.82	0.86	0.23	1.25	0.01	1.05
2022	0.01	0.32	0.35	0.27	M	0.20	0.23	2.89	0.52	M	M	0.01
2023	M	M	M	M	M	M	M	M	M	0.01	0.58	0.19
2024	0.40	1.01	1.45	1.00	0.25	M	0.20	2.14	0.25	0.44	1.30	0.35
2025	M	0.13	0.44	0.49	1.40	0.28	0.16	0.65	0.40	1.28	0.47	0.50
2026	0.14	0.14	0.01	1.05	M	M	M	M	M	M	M	M
NCEI Climatology	1.87	1.89	2.09	2.17	1.86	0.82	1.96	1.64	1.26	1.74	1.27	1.72

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	7.6	8.6	7.6	M	10.5	5.8	7.0	6.1	6.6	4.7	7.2
2022	3.8	6.1	7.7	9.3	9.3	9.1	8.2	5.2	6.4	M	4.8	0.3
2023	M	M	M	M	M	M	M	M	M	5.1	5.7	4.4
2024	4.7	6.6	7.7	8.2	7.8	8.7	6.9	9.3	6.3	6.3	5.6	4.2
2025	5.4	7.2	8.0	7.8	7.1	8.1	8.1	7.1	6.5	6.2	4.8	4.7
2026	4.6	5.9	7.4	8.8	3.1	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
2021	M	42.29	51.99	64.90	M	77.60	84.75	87.39	81.42	62.60	59.84	44.74
2022	41.11	43.31	53.67	63.26	71.60	85.16	89.43	85.13	81.92	M	37.40	35.00
2023	M	M	M	M	M	M	M	M	M	66.11	53.42	48.26
2024	41.64	46.90	51.16	62.06	70.09	89.12	92.68	88.26	82.21	71.31	49.40	49.38
2025	40.54	52.12	56.70	62.90	71.77	86.36	90.01	88.26	80.24	66.90	59.06	53.02
2026	47.27	54.95	68.35	63.26	50.00	M	M	M	M	M	M	M
NCEI Climatology	36.89	39.92	46.99	52.80	63.41	74.80	79.70	77.71	71.00	58.00	45.10	35.89

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	15.03	23.28	28.69	M	46.70	58.58	51.68	46.73	32.87	24.38	23.00
2022	13.33	11.43	27.87	29.84	36.30	49.16	59.99	56.27	49.45	M	19.40	17.60
2023	M	M	M	M	M	M	M	M	M	27.74	24.08	19.57
2024	17.77	23.56	26.54	31.40	34.73	51.62	54.06	55.92	45.63	37.23	20.18	20.39
2025	12.32	23.00	27.97	30.86	41.12	48.26	52.79	53.66	47.12	34.61	29.64	23.52
2026	18.82	23.58	31.65	32.60	26.60	M	M	M	M	M	M	M
NCEI Climatology	15.61	17.09	22.80	27.70	35.80	44.50	51.51	50.99	43.49	32.71	23.80	15.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	28.66	37.64	46.80	M	62.15	71.67	69.54	64.07	47.74	42.11	33.87
2022	27.22	27.37	40.77	46.55	53.95	67.16	74.71	70.70	65.68	M	28.40	26.30
2023	M	M	M	M	M	M	M	M	M	46.92	38.75	33.92
2024	29.71	35.23	38.85	46.73	52.41	70.37	73.37	72.09	63.92	54.27	34.79	34.89
2025	26.43	37.56	42.33	46.88	56.45	67.31	71.40	70.96	63.68	50.75	44.35	38.27
2026	33.05	39.26	50.00	47.93	38.30	M	M	M	M	M	M	M
NCEI Climatology	26.25	28.51	34.89	40.25	49.60	59.65	65.60	64.35	57.25	45.35	34.45	25.85

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	58.4%	51.3%	34.8%	M	17.1%	66.6%	36.9%	37.4%	58.4%	51.6%	67.2%
2022	65.4%	60.3%	50.8%	35.9%	31.0%	25.0%	34.7%	58.1%	41.0%	M	52.1%	69.2%
2023	M	M	M	M	M	M	M	M	M	44.9%	59.3%	62.8%
2024	75.4%	68.6%	64.7%	48.4%	43.4%	25.7%	27.9%	37.4%	34.3%	41.8%	59.1%	62.5%
2025	57.7%	53.7%	51.6%	42.5%	45.5%	27.2%	24.3%	32.2%	42.6%	54.5%	53.5%	60.5%
2026	64.2%	54.7%	36.6%	42.3%	50.5%	M	M	M	M	M	M	M