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 (USC00332928) 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
2017	M	M	M	M	M	M	0.00	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
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	M	M	M	M	M	M	M
2023	M	M	M	M	0.02	0.81	4.02	3.92	1.12	2.61	1.25	1.64
2024	4.47	1.99	2.63	4.40	2.84	1.24	4.95	1.90	0.72	0.15	3.51	3.90
2025	0.33	0.33	0.06	0.17	0.02	0.15	M	M	M	M	M	M
NCEI Climatology	3.32	2.64	3.46	4.58	4.40	4.45	4.34	2.87	2.87	3.20	3.03	3.25

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	8.7	8.1	6.4	5.2	4.4	4.9	6.2	7.8	7.7
2018	8.0	8.6	9.3	8.9	6.7	5.9	6.6	4.9	5.2	6.9	7.2	7.3
2019	8.2	9.3	8.3	8.1	6.7	6.2	4.2	5.4	5.0	4.5	5.4	7.2
2020	7.6	6.4	8.7	8.1	7.3	6.0	4.1	4.5	5.7	5.9	7.8	7.7
2021	6.9	7.9	8.5	7.0	5.8	5.9	4.5	4.4	5.7	6.1	6.9	7.6
2022	8.0	7.5	10.8	9.2	6.9	5.0	5.0	4.7	5.4	7.5	7.8	7.9
2023	4.2	8.4	9.5	7.1	5.4	6.6	4.9	5.4	5.0	6.8	7.5	7.2
2024	9.1	8.5	9.1	9.3	6.1	6.2	5.6	4.7	5.9	5.8	8.7	9.1
2025	9.0	8.9	10.2	9.0	7.6	4.7	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
2017	M	M	M	75.20	71.31	80.12	82.98	80.88	76.04	66.03	51.86	38.50
2018	35.72	47.30	45.88	56.95	80.84	77.85	79.35	84.36	79.34	65.56	44.48	40.27
2019	29.19	42.21	47.78	65.38	74.27	78.83	86.45	83.61	85.48	70.09	47.85	47.32
2020	42.99	41.87	56.34	60.26	70.06	83.80	89.44	83.42	78.26	63.62	58.16	42.46
2021	37.05	34.46	57.73	63.30	70.89	81.87	82.94	85.34	78.84	69.83	51.09	51.41
2022	34.14	39.50	52.39	54.55	76.28	82.68	84.51	82.92	76.63	66.13	54.09	40.42
2023	39.35	52.76	51.06	65.23	72.15	79.88	83.56	82.05	78.80	66.20	54.98	48.55
2024	37.17	51.92	57.32	66.26	76.59	83.42	84.32	84.55	81.56	70.79	56.36	43.85
2025	32.00	41.19	59.00	65.66	69.80	80.39	M	M	M	M	M	M
NCEI Climatology	38.40	42.14	52.20	64.70	74.10	82.39	85.80	85.10	78.90	66.70	53.39	42.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	50.00	52.44	60.08	64.98	62.95	56.78	48.26	35.90	24.39
2018	20.50	31.87	31.65	38.95	62.23	63.67	68.45	66.58	63.25	48.00	32.87	31.42
2019	21.81	33.06	31.63	45.62	56.55	61.92	67.33	64.33	62.01	47.45	30.39	31.23
2020	30.53	27.46	39.13	41.57	51.76	62.40	68.14	64.36	56.28	46.11	39.26	28.62
2021	27.91	22.16	37.09	43.58	50.47	64.74	66.08	67.28	58.93	53.23	33.09	35.22
2022	18.75	24.97	36.19	44.70	58.29	62.98	67.99	64.10	58.05	43.08	37.08	27.03
2023	29.87	32.47	33.44	44.90	52.79	59.96	65.97	63.82	58.82	48.32	35.72	34.90
2024	26.08	31.94	38.56	48.38	59.41	63.74	65.79	64.34	60.50	47.33	41.84	31.42
2025	16.79	25.89	37.63	45.74	53.66	62.81	M	M	M	M	M	M
NCEI Climatology	20.40	21.92	30.01	39.30	50.60	59.90	63.51	61.11	53.10	41.20	31.91	25.50

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	62.60	61.87	70.10	73.98	71.91	66.41	57.14	43.88	31.45
2018	28.11	39.59	38.76	47.95	71.53	70.76	73.90	75.47	71.29	56.78	38.67	35.85
2019	25.50	37.63	39.70	55.50	65.41	70.37	76.89	73.97	73.75	58.77	39.12	39.27
2020	36.76	34.67	47.74	50.91	60.91	73.10	78.79	73.89	67.27	54.87	48.71	35.54
2021	32.48	28.31	47.41	53.44	60.68	73.31	74.51	76.31	68.89	61.53	42.09	43.32
2022	26.45	32.24	44.29	49.62	67.28	72.83	76.25	73.51	67.34	54.60	45.58	33.73
2023	34.61	42.61	42.25	55.07	62.47	69.92	74.76	72.94	68.81	57.26	45.35	41.73
2024	31.62	41.93	47.94	57.32	68.00	73.58	75.05	74.45	71.03	59.06	49.10	37.63
2025	24.39	33.54	48.32	55.70	61.73	71.60	M	M	M	M	M	M
NCEI Climatology	29.40	32.03	41.11	52.00	62.35	71.15	74.65	73.10	66.00	53.95	42.65	34.00

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
2017	M	M	M	80.7%	72.0%	68.0%	78.7%	78.7%	77.7%	79.9%	76.9%	75.3%
2018	77.2%	81.0%	69.7%	68.0%	76.3%	82.0%	86.2%	86.3%	88.4%	83.6%	88.3%	90.5%
2019	83.1%	82.9%	74.6%	72.8%	85.2%	83.0%	83.4%	80.3%	74.6%	77.1%	83.3%	88.3%
2020	87.2%	84.4%	81.3%	73.3%	79.9%	73.7%	79.5%	86.3%	80.2%	84.6%	75.4%	88.7%
2021	88.1%	83.1%	65.4%	69.7%	76.2%	79.6%	78.1%	77.7%	74.6%	81.3%	69.8%	76.5%
2022	73.2%	71.6%	63.3%	77.3%	71.5%	63.9%	74.7%	78.7%	76.5%	61.5%	67.5%	76.8%
2023	82.5%	65.4%	67.9%	61.0%	63.8%	64.2%	79.0%	77.9%	75.4%	76.2%	68.0%	80.3%
2024	87.2%	74.2%	73.7%	77.9%	85.3%	79.7%	86.6%	84.0%	74.5%	75.4%	89.3%	87.5%
2025	82.9%	83.6%	71.0%	77.6%	85.7%	85.2%	M	M	M	M	M	M