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 (USC00226921) 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
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	3.77	6.05	7.68	2.38	0.13	6.19	6.32
2023	5.01	2.95	3.49	2.24	5.50	1.32	4.05	2.25	4.10	1.17	1.61	6.28
2024	8.82	4.12	3.84	2.97	9.52	5.42	9.75	1.25	9.61	4.24	6.19	12.61
2025	4.00	4.47	1.72	M	M	M	M	M	0.71	3.31	1.04	5.71
2026	3.62	1.33	2.79	4.16	7.23	M	M	M	M	M	M	M
NCEI Climatology	6.39	5.07	5.21	5.90	5.02	6.55	6.46	6.38	4.86	5.04	4.31	5.73

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	M	M	0.9	1.9	1.3	1.7	1.3	0.9	1.0
2021	0.9	1.6	1.7	1.0	1.3	0.5	0.1	0.6	0.4	0.6	0.3	0.6
2022	M	M	M	M	M	3.8	2.8	2.8	3.2	3.6	5.5	4.7
2023	5.8	7.3	6.6	6.4	3.5	4.6	3.6	4.3	3.3	4.8	4.6	4.8
2024	6.6	6.1	6.0	6.5	5.7	4.2	3.1	3.5	4.2	3.8	5.9	4.9
2025	6.0	6.0	4.6	0.0	0.0	0.0	M	M	2.7	4.8	4.1	4.5
2026	6.0	6.1	6.3	5.9	5.8	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
2020	M	M	M	M	M	82.85	87.80	89.48	86.06	82.34	75.74	64.63
2021	63.01	61.89	74.27	76.52	82.69	88.40	90.88	91.57	86.42	83.37	M	M
2022	M	M	M	M	M	93.04	72.18	67.07	87.08	74.42	69.86	65.04
2023	67.42	70.51	74.68	77.30	83.04	91.76	94.30	98.19	89.90	79.38	69.08	64.92
2024	61.55	69.12	72.88	78.62	86.81	90.56	91.69	93.66	86.66	83.15	75.56	66.20
2025	58.13	70.06	74.16	M	M	M	M	M	90.34	82.17	74.48	66.03
2026	63.82	70.96	77.35	80.60	77.28	M	M	M	M	M	M	M
NCEI Climatology	61.90	65.80	71.89	78.21	84.79	89.21	91.51	91.41	87.70	80.50	70.90	64.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	M	M	73.85	72.35	71.60	67.58	58.07	50.36	37.98
2021	39.32	39.39	52.03	53.54	62.37	70.58	72.06	71.31	66.62	62.46	M	M
2022	M	M	M	M	M	73.32	50.87	50.93	66.62	46.24	49.46	46.40
2023	46.46	52.44	53.54	57.50	65.15	70.82	73.63	75.43	69.86	56.56	47.90	42.86
2024	37.81	45.16	51.92	57.38	68.46	72.56	75.26	73.63	70.10	58.07	57.38	44.72
2025	37.34	47.49	47.82	M	M	M	M	M	67.18	59.41	48.80	44.95
2026	40.71	46.21	54.53	58.16	60.66	M	M	M	M	M	M	M
NCEI Climatology	37.80	40.71	47.00	53.31	60.90	68.00	70.49	70.61	66.20	55.20	44.60	40.00

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	M	M	78.35	80.08	80.54	76.82	70.21	63.05	51.31
2021	51.16	50.64	63.15	65.03	72.53	79.49	81.47	81.44	76.52	72.92	M	M
2022	M	M	M	M	M	83.18	61.53	59.00	76.85	60.33	59.66	55.72
2023	56.94	61.47	64.11	67.40	74.10	81.29	83.97	86.81	79.88	67.97	58.49	53.89
2024	49.68	57.14	62.40	68.00	77.64	81.56	83.47	83.65	78.38	70.61	66.47	55.46
2025	47.74	58.78	60.99	M	M	M	M	M	78.76	70.79	61.64	55.49
2026	52.26	58.58	65.94	69.38	68.97	M	M	M	M	M	M	M
NCEI Climatology	49.85	53.26	59.44	65.76	72.85	78.60	81.00	81.01	76.95	67.85	57.75	52.40

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
2020	M	M	M	M	M	85.5%	84.4%	80.6%	78.5%	74.2%	74.7%	75.3%
2021	75.2%	78.5%	75.2%	71.4%	75.9%	81.8%	83.5%	81.0%	82.5%	82.5%	M	M
2022	M	M	M	M	M	78.7%	86.0%	89.2%	79.6%	77.5%	82.6%	85.4%
2023	85.2%	84.4%	81.3%	81.8%	87.5%	82.5%	83.3%	77.7%	83.8%	80.2%	85.1%	81.8%
2024	79.6%	79.7%	83.0%	82.7%	86.6%	85.8%	90.6%	81.4%	87.3%	79.9%	87.6%	85.5%
2025	76.2%	81.5%	72.8%	M	M	M	M	M	80.2%	77.6%	79.1%	84.2%
2026	75.6%	74.9%	79.0%	79.9%	86.5%	M	M	M	M	M	M	M