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 () 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
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	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	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	2.4	3.2	M
2017	M	M	3.5	4.1	6.8	7.5	10.3	6.8	3.0	2.0	2.6	4.8
2018	3.2	3.9	3.8	4.1	7.3	9.4	8.2	8.3	4.2	3.0	3.4	5.0
2019	5.9	4.0	4.3	5.4	7.2	9.0	7.5	6.8	4.0	4.1	3.4	6.1
2020	5.7	5.6	4.9	5.5	5.9	7.1	10.0	9.1	3.2	3.6	4.6	5.1
2021	5.3	4.9	4.6	5.3	7.6	6.0	7.8	5.2	5.6	2.6	5.8	5.6
2022	4.7	3.5	5.0	5.2	9.9	8.2	7.2	9.3	4.9	5.0	4.7	5.9
2023	7.5	5.7	5.6	5.8	7.0	11.7	8.2	12.3	8.0	4.4	5.7	7.1
2024	7.0	6.4	5.5	6.6	10.3	11.3	13.5	10.9	6.3	4.5	5.4	6.9
2025	7.0	6.1	6.1	7.9	9.4	12.6	11.4	9.4	7.2	5.7	5.6	6.1

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	78.80	87.05	84.87	86.41	87.50	81.55	M	M	78.35	89.24	M
2017	M	M	89.00	88.66	91.77	91.47	82.00	85.22	88.33	92.42	92.77	86.17
2018	89.02	92.81	97.73	98.12	94.36	93.38	84.32	85.07	88.52	98.72	96.14	88.15
2019	87.16	89.34	95.70	98.06	93.90	91.76	88.32	85.36	86.60	92.85	93.20	88.79
2020	85.88	93.51	92.39	98.78	98.66	91.64	89.93	85.42	91.46	95.42	93.80	89.08
2021	87.22	92.94	98.95	97.64	95.29	91.04	89.02	88.03	86.42	93.32	93.98	84.56
2022	84.90	90.11	97.90	97.16	94.94	91.40	85.04	87.68	88.64	91.69	92.06	88.09
2023	82.86	93.97	93.55	95.24	95.13	92.18	85.88	87.16	88.16	94.48	91.46	85.59
2024	84.84	89.79	92.62	97.25	96.51	92.90	85.88	86.12	86.84	92.33	91.46	85.30
2025	86.93	91.53	95.46	95.98	92.45	90.32	86.29	85.71	86.30	89.43	88.04	87.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	78.80	79.47	82.85	86.08	87.30	81.45	M	M	70.25	73.04	M
2017	M	M	75.40	78.47	83.70	82.68	79.20	80.72	82.27	75.56	65.89	63.94
2018	61.73	65.56	71.31	75.92	82.52	82.58	79.61	79.44	77.06	74.97	68.18	61.03
2019	57.43	62.79	68.70	76.76	80.72	82.52	81.76	79.61	78.86	77.23	73.04	63.18
2020	61.09	65.77	72.70	90.26	89.34	81.50	82.32	80.14	80.12	78.80	69.50	64.75
2021	62.14	65.43	70.85	77.60	81.82	81.32	81.24	79.26	77.66	75.84	72.68	64.52
2022	61.15	63.63	73.98	77.90	83.33	81.68	79.28	79.32	78.80	75.55	68.18	66.43
2023	61.32	65.11	72.06	77.25	82.14	83.60	81.30	80.31	79.16	74.56	70.28	68.23
2024	61.32	65.21	67.54	76.74	83.10	83.42	80.48	79.44	78.38	77.35	68.06	63.88
2025	63.12	64.79	70.09	76.51	79.26	80.84	79.61	77.87	78.08	74.56	66.26	62.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	78.80	83.26	83.86	86.25	87.40	81.50	M	M	74.30	81.14	M
2017	M	M	82.20	83.14	87.74	87.07	80.60	82.97	85.30	83.99	79.33	75.05
2018	75.37	79.19	84.52	87.02	88.44	87.98	81.97	82.25	82.79	86.84	82.16	74.59
2019	72.30	76.07	82.20	87.41	87.31	87.14	85.04	82.49	82.73	85.04	83.12	75.98
2020	73.49	79.64	82.55	94.52	94.00	86.57	86.12	82.78	85.79	87.11	81.65	76.91
2021	74.68	79.19	84.90	87.62	88.55	86.18	85.13	83.65	82.04	84.58	83.33	74.54
2022	73.02	76.87	85.94	87.53	89.14	86.54	82.16	83.50	83.72	83.62	80.12	77.26
2023	72.09	79.54	82.81	86.16	88.64	87.89	83.59	83.74	83.66	84.52	80.87	76.91
2024	73.08	77.50	80.08	87.00	89.80	88.16	83.18	82.78	82.61	84.84	79.76	74.59
2025	75.03	78.16	82.78	86.25	85.85	85.58	82.95	81.79	82.19	81.99	77.15	75.35

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
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	35.3%	47.4%	M
2017	M	M	52.6%	67.4%	70.0%	78.7%	90.5%	84.7%	81.6%	71.4%	56.1%	63.3%
2018	54.3%	50.9%	49.2%	63.9%	72.9%	74.8%	89.1%	86.6%	79.2%	62.8%	57.1%	51.2%
2019	51.1%	55.3%	50.6%	60.4%	70.6%	76.7%	83.2%	86.9%	86.6%	73.8%	72.2%	64.7%
2020	60.7%	50.5%	55.2%	45.6%	56.3%	76.7%	82.2%	88.4%	82.8%	70.6%	55.3%	62.1%
2021	61.4%	49.3%	51.3%	64.9%	68.3%	77.5%	81.1%	82.6%	87.8%	71.5%	55.4%	68.6%
2022	62.3%	59.7%	48.3%	64.5%	69.4%	77.0%	87.6%	85.2%	85.3%	69.4%	56.3%	59.6%
2023	58.8%	48.2%	56.3%	56.8%	67.2%	74.5%	90.7%	82.2%	82.2%	67.6%	58.0%	63.0%
2024	59.7%	55.5%	56.4%	56.8%	66.5%	74.9%	88.2%	86.3%	84.4%	77.4%	57.1%	58.2%
2025	56.7%	47.6%	49.2%	63.8%	73.8%	78.5%	85.4%	86.6%	84.3%	72.9%	63.0%	50.6%