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 (USC00418354) 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	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	1.65	1.92	2.44	1.83	3.26	3.41	2.80	2.47	5.28	3.86	2.41	1.70

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	M	M	M	M	M	6.9	6.2	5.7	6.7
2021	6.8	8.1	9.8	9.4	9.3	7.1	M	M	5.7	5.8	5.8	7.8
2022	7.2	8.9	10.0	11.7	11.9	9.4	10.4	7.6	3.4	5.9	7.1	6.3
2023	7.6	9.0	9.9	8.2	5.8	9.2	9.8	9.2	6.1	6.6	6.2	5.8
2024	7.9	8.7	8.5	10.9	9.9	9.0	7.0	6.0	6.5	6.3	8.0	7.3
2025	7.8	7.0	6.5	0.0	7.0	7.4	1.5	2.7	0.5	0.5	1.3	2.4
2026	0.1	0.0	0.0	0.0	0.3	6.6	4.0	8.7	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	M	M	M	86.45	85.30	80.96	70.44
2021	68.93	64.01	77.70	80.72	84.37	87.41	M	M	89.60	85.01	75.62	77.70
2022	67.54	66.52	77.00	85.22	90.59	95.18	95.64	93.14	89.48	83.97	69.92	68.81
2023	72.94	73.14	78.97	79.16	85.48	93.74	96.92	98.48	95.00	82.11	72.44	71.66
2024	64.69	73.34	76.65	82.89	90.01	93.98	91.63	95.64	92.66	90.06	82.76	74.91
2025	62.37	71.15	82.69	84.50	89.95	91.34	93.20	96.45	92.78	89.08	81.98	71.83
2026	69.80	79.51	81.47	81.86	85.48	88.70	92.79	96.54	M	M	M	M
NCEI Climatology	66.41	70.27	75.41	80.79	86.00	91.00	92.80	94.59	90.30	84.50	75.40	68.20

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	M	M	M	M	M	68.00	61.26	56.42	43.21
2021	45.88	44.21	56.45	63.80	70.67	74.30	M	M	73.85	66.26	52.22	59.23
2022	42.16	39.33	50.64	67.76	73.69	75.02	77.46	77.06	71.24	60.39	55.52	49.42
2023	49.25	50.96	60.92	62.72	70.50	76.40	77.52	77.93	74.42	65.21	55.34	48.61
2024	43.61	52.36	59.99	66.69	75.66	78.08	76.54	76.30	73.04	65.50	58.94	53.48
2025	42.63	50.32	58.42	66.74	72.82	76.16	77.17	75.95	72.92	67.07	59.84	52.21
2026	44.89	52.64	62.31	69.20	68.58	78.08	77.58	77.90	M	M	M	M
NCEI Climatology	44.91	49.50	55.51	61.60	69.20	74.40	76.00	75.90	71.40	62.89	53.59	46.50

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	M	M	M	77.23	73.28	68.69	56.82
2021	57.40	54.11	67.07	72.26	77.52	80.86	M	M	81.72	75.64	63.92	68.46
2022	54.85	52.92	63.82	76.49	82.14	85.10	86.55	85.10	80.36	72.18	62.72	59.12
2023	61.09	62.05	69.95	70.94	77.99	85.07	87.22	88.21	84.71	73.66	63.89	60.13
2024	54.15	62.85	68.32	74.79	82.84	86.03	84.08	85.97	82.85	77.78	70.85	64.20
2025	52.50	60.74	70.55	75.62	81.38	83.75	85.19	86.20	82.85	78.07	70.91	62.02
2026	57.35	66.07	71.89	75.53	77.03	83.39	85.19	87.22	M	M	M	M
NCEI Climatology	55.66	59.89	65.46	71.20	77.60	82.70	84.40	85.25	80.85	73.70	64.50	57.35

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	M	M	M	75.6%	75.4%	75.3%	71.9%
2021	73.7%	79.7%	72.8%	74.4%	83.6%	84.6%	M	M	84.0%	77.6%	77.8%	83.9%
2022	68.4%	73.9%	67.1%	75.0%	77.5%	74.3%	73.6%	80.0%	82.2%	73.6%	83.9%	79.5%
2023	75.2%	78.6%	76.6%	82.7%	86.4%	81.0%	75.8%	73.6%	77.4%	81.3%	81.5%	79.3%
2024	76.2%	77.8%	81.0%	79.7%	84.7%	80.4%	85.9%	79.4%	80.4%	76.2%	69.2%	79.0%
2025	72.3%	79.6%	70.7%	79.2%	80.3%	84.4%	82.6%	78.4%	78.7%	76.5%	78.8%	83.3%
2026	70.5%	73.4%	77.5%	87.8%	86.8%	92.1%	85.0%	78.7%	M	M	M	M