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 (USC00312515) within the current 1991-2020 dataset.

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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	0.95
2022	1.70	1.03	3.95	1.64	5.01	M	4.09	0.98	3.31	2.80	0.90	M
2023	0.56	1.57	3.20	7.59	0.88	3.20	M	1.06	3.36	1.37	1.51	6.60
2024	5.90	0.94	5.08	0.19	3.10	0.30	10.27	9.64	10.08	0.10	1.65	1.29
2025	M	0.09	1.13	1.82	5.91	5.76	6.10	M	M	M	M	M
NCEI Climatology	3.98	3.01	4.51	3.66	3.80	5.24	4.20	5.23	4.70	3.35	3.65	3.34

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	9.0	8.2	7.9
2022	9.3	8.7	9.7	9.6	8.6	7.2	7.3	6.1	7.3	7.1	8.1	7.2
2023	8.5	9.6	9.2	8.6	9.4	7.7	6.6	7.0	7.1	6.7	7.1	7.5
2024	9.2	9.0	8.9	9.8	7.0	7.3	6.5	6.5	7.2	6.5	7.9	8.1
2025	8.5	8.4	10.2	9.3	7.7	6.4	7.3	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	M	M	M	M	68.00	62.54	64.28
2022	52.38	60.29	67.54	72.62	80.08	87.74	90.30	87.39	81.98	70.03	65.84	51.68
2023	59.06	63.44	66.20	74.36	75.49	82.82	89.14	87.27	77.45	72.47	62.54	57.32
2024	52.32	57.57	65.79	72.62	79.61	87.56	88.09	86.23	79.19	72.88	64.94	53.66
2025	45.76	54.69	66.90	73.94	77.12	88.10	89.23	M	M	M	M	M
NCEI Climatology	48.92	52.61	60.71	70.29	76.60	83.30	87.01	84.61	79.31	69.50	60.00	52.11

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	54.80	42.50	45.59
2022	32.52	39.59	46.63	52.10	61.96	68.48	72.30	70.26	64.40	51.57	48.38	36.82
2023	42.16	45.76	45.88	53.24	57.84	64.58	72.76	70.93	64.02	55.17	43.64	40.48
2024	35.83	40.26	46.75	54.02	62.60	69.80	72.24	69.57	66.59	55.05	48.08	37.05
2025	30.14	37.98	46.98	55.94	60.86	70.46	73.17	M	M	M	M	M
NCEI Climatology	27.91	30.40	37.19	45.99	55.40	64.19	68.80	67.20	60.89	48.00	37.10	32.20

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	61.40	52.52	54.94
2022	42.45	49.94	57.08	62.36	71.02	78.11	81.30	78.83	73.19	60.80	57.11	44.25
2023	50.61	54.60	56.04	63.80	66.66	73.70	80.95	79.10	70.74	63.82	53.09	48.90
2024	44.08	48.91	56.27	63.32	71.11	78.68	80.16	77.90	72.89	63.96	56.51	45.35
2025	37.95	46.34	56.94	64.94	68.99	79.28	81.20	M	M	M	M	M
NCEI Climatology	38.41	41.51	48.95	58.14	66.00	73.74	77.90	75.91	70.10	58.75	48.55	42.15

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	75.7%	53.3%	64.2%
2022	56.5%	62.0%	56.1%	53.5%	70.3%	61.8%	74.5%	70.4%	64.0%	64.9%	61.2%	63.4%
2023	65.5%	60.9%	55.0%	60.7%	62.8%	65.1%	70.7%	66.1%	72.7%	64.9%	53.2%	61.6%
2024	61.8%	55.5%	56.9%	57.5%	69.8%	59.3%	74.7%	72.2%	78.7%	62.5%	66.2%	63.1%
2025	50.9%	58.0%	48.5%	59.3%	69.1%	70.1%	76.2%	M	M	M	M	M