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 (USC00041700) 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	0.04	0.05	M	1.18	4.94	1.05	4.53
2022	0.63	0.06	0.49	2.94	0.30	1.19	M	M	1.18	M	2.33	6.97
2023	9.14	2.33	4.91	0.59	1.79	M	M	0.28	0.48	0.12	2.21	2.87
2024	4.56	8.72	3.91	0.90	M	M	0.04	0.27	0.02	0.56	6.69	5.32
2025	1.22	8.23	3.63	1.04	0.54	0.20	0.17	0.38	0.61	0.97	3.15	9.48
2026	3.60	4.27	0.28	3.73	0.72	0.38	1.07	M	M	M	M	M
NCEI Climatology	6.18	5.30	5.48	2.51	1.90	0.77	0.36	0.15	0.31	1.70	3.31	6.54

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	M	M	M	4.7	4.2	4.2	4.6	4.4	2.1	3.1
2022	2.6	3.7	4.8	5.9	6.4	6.1	5.4	4.6	4.2	3.1	3.4	2.5
2023	3.6	4.2	4.6	3.9	5.4	M	M	5.6	4.9	4.3	3.9	2.4
2024	2.5	3.2	5.6	5.0	6.0	5.7	5.2	5.6	4.4	4.4	4.7	2.8
2025	3.9	3.6	5.2	5.0	6.1	6.0	5.5	5.2	5.2	4.2	3.3	3.6
2026	2.4	3.0	4.8	5.4	5.9	5.8	5.7	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	M	M	M	M	91.18	88.85	84.76	75.57	60.28	54.08	40.16
2022	43.21	49.10	56.85	56.12	65.39	76.58	84.48	88.09	79.70	71.89	41.36	34.73
2023	35.43	38.49	37.75	52.46	65.40	M	M	79.66	73.65	65.15	50.72	45.01
2024	41.75	41.31	45.94	58.29	72.77	81.92	91.17	82.69	79.51	68.46	44.96	42.86
2025	45.01	43.38	48.20	60.92	70.85	81.08	85.59	86.00	77.24	62.02	54.86	48.43
2026	44.60	47.62	65.91	56.78	70.55	80.24	85.58	M	M	M	M	M
NCEI Climatology	42.19	45.68	50.50	57.10	66.80	76.61	86.10	85.00	78.90	65.90	50.61	41.19

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	M	M	M	49.77	49.48	47.95	41.68	33.28	28.82	20.06
2022	17.02	21.26	28.05	30.26	36.12	44.18	51.73	50.70	45.26	34.15	16.76	16.32
2023	17.66	14.84	17.95	25.40	39.33	M	M	53.17	41.93	34.85	27.74	26.83
2024	23.52	23.87	27.65	31.94	41.00	47.30	53.66	47.10	42.93	35.14	25.94	24.10
2025	22.36	20.94	28.17	32.30	40.13	47.12	50.52	49.36	46.58	34.44	32.54	27.06
2026	22.83	26.02	32.75	33.68	41.06	47.96	51.45	M	M	M	M	M
NCEI Climatology	21.80	23.04	26.30	30.19	36.70	42.70	48.20	46.30	40.60	33.10	26.40	21.90

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	70.48	69.16	66.36	58.63	46.78	41.45	30.11
2022	30.11	35.18	42.45	43.19	50.75	60.38	68.10	69.39	62.48	53.02	29.06	25.53
2023	26.54	26.66	27.85	38.93	52.37	M	M	66.41	57.79	50.00	39.23	35.92
2024	32.64	32.59	36.79	45.11	56.89	64.61	72.41	64.89	61.22	51.80	35.45	33.48
2025	33.68	32.16	38.18	46.61	55.49	64.10	68.06	67.68	61.91	48.23	43.70	37.75
2026	33.71	36.82	49.33	45.23	55.81	64.10	68.52	M	M	M	M	M
NCEI Climatology	31.99	34.36	38.40	43.65	51.75	59.65	67.15	65.65	59.75	49.50	38.50	31.55

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
2021	M	M	M	M	M	38.5%	33.5%	33.7%	39.7%	62.0%	77.0%	84.0%
2022	78.4%	63.7%	60.6%	57.4%	48.1%	42.6%	32.9%	34.4%	45.6%	42.1%	75.2%	90.5%
2023	83.1%	75.2%	78.8%	62.3%	60.3%	M	M	44.6%	52.4%	56.1%	68.8%	84.7%
2024	86.4%	84.1%	74.4%	65.1%	42.1%	38.0%	30.8%	38.5%	38.4%	48.3%	74.8%	83.2%
2025	65.8%	79.1%	75.3%	56.2%	46.8%	37.2%	40.9%	38.8%	51.9%	66.9%	77.3%	80.7%
2026	76.5%	78.0%	54.9%	63.5%	51.6%	45.0%	38.2%	M	M	M	M	M