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 (USC00167767) 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	1.36	3.90
2015	3.55	2.45	3.99	11.28	5.65	0.50	1.91	4.98	5.72	10.17	5.58	6.28
2016	3.54	4.15	5.87	5.50	5.28	7.73	3.42	16.75	4.57	M	1.32	4.48
2017	4.62	1.83	2.78	2.52	7.16	4.33	0.77	1.16	0.42	0.31	0.11	5.23
2018	3.35	3.15	1.75	5.73	2.52	3.17	5.86	4.32	5.08	5.05	6.80	4.55
2019	3.34	2.82	1.86	6.44	4.19	1.34	0.68	0.50	0.20	5.24	0.43	1.79
2020	4.73	1.13	0.88	1.64	0.15	3.28	6.84	3.52	1.25	3.55	2.98	3.57
2021	1.65	4.73	6.53	11.29	12.60	7.21	4.02	13.44	0.20	0.11	0.01	0.15
2022	0.05	0.07	0.11	0.96	1.23	7.78	0.23	1.50	0.22	0.63	6.43	5.71
2023	4.23	1.63	1.90	2.63	2.00	0.41	3.42	1.89	4.36	0.46	2.81	3.58
2024	1.31	0.37	2.96	1.38	2.42	1.41	M	M	M	0.53	1.92	5.74
2025	0.40	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	5.89	4.61	4.90	5.54	5.85	8.62	7.08	5.74	5.75	4.14	4.28	4.98

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	6.3	5.4
2015	6.2	6.9	5.7	5.6	5.4	4.0	3.7	4.0	3.8	5.8	6.2	7.0
2016	6.6	7.0	8.3	6.9	5.4	3.8	3.4	3.7	3.1	3.6	4.9	6.8
2017	7.1	6.9	7.1	6.0	6.2	5.9	2.9	4.3	3.9	5.7	4.9	5.9
2018	6.5	7.8	7.2	6.6	4.3	4.2	3.4	2.9	3.0	5.2	5.3	6.5
2019	6.3	8.4	7.4	8.0	6.8	6.2	6.7	7.5	5.7	6.2	5.8	6.8
2020	8.0	9.8	8.6	7.3	8.1	7.3	4.5	2.0	6.2	6.2	5.8	5.7
2021	6.7	7.0	7.9	7.1	6.9	5.2	3.1	4.2	4.7	4.7	4.4	6.0
2022	7.0	7.3	7.8	7.9	5.7	3.8	3.1	3.2	4.0	4.3	6.0	5.7
2023	7.0	8.0	7.7	6.8	4.6	4.9	3.6	4.4	3.5	5.3	2.5	5.5
2024	7.4	7.1	6.6	7.2	6.5	5.6	M	M	5.3	4.6	7.0	5.9
2025	8.3	M	M	M	M	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
2014	M	M	M	M	M	M	M	M	M	M	68.33	68.56
2015	61.92	63.11	76.41	81.87	87.83	88.68	95.02	94.30	88.77	82.85	75.51	73.44
2016	63.56	69.74	76.35	80.14	85.52	91.38	93.67	91.68	91.09	87.26	76.43	69.17
2017	71.02	75.54	77.37	82.61	84.60	88.74	92.75	91.80	89.96	82.53	75.72	64.57
2018	58.82	77.14	75.92	80.58	94.94	92.92	93.18	91.61	90.77	84.69	69.02	65.93
2019	62.93	71.60	72.31	79.13	87.97	92.33	94.22	96.88	97.77	85.58	74.14	70.85
2020	69.08	71.36	84.21	84.47	87.06	94.63	95.18	93.10	87.19	83.08	76.12	66.21
2021	63.69	60.71	73.17	75.09	81.51	89.18	93.08	92.59	89.35	81.73	69.36	73.33
2022	61.37	66.89	73.02	78.92	86.81	91.22	92.50	92.56	91.33	80.02	69.38	65.10
2023	68.12	70.44	74.79	76.94	85.36	92.06	93.37	96.22	89.48	79.38	68.48	62.96
2024	61.67	69.37	71.86	79.07	86.00	86.90	M	M	87.90	77.52	73.51	66.68
2025	59.19	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	62.30	66.80	72.40	78.80	84.89	89.31	91.60	91.61	88.30	81.10	71.20	64.70

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	45.13	50.68
2015	43.08	43.17	58.38	66.21	69.93	76.59	77.30	74.69	71.96	63.68	59.76	56.58
2016	44.34	48.54	60.02	63.14	67.98	75.41	76.59	76.90	74.34	66.24	54.73	52.57
2017	51.98	56.17	59.06	61.31	66.76	74.13	76.46	77.01	71.91	64.88	54.55	46.64
2018	39.58	60.12	55.09	55.67	70.17	75.31	76.44	75.42	75.32	67.75	50.49	49.49
2019	49.75	60.47	53.32	60.28	71.29	74.93	76.36	77.09	74.80	66.03	47.49	49.54
2020	50.45	48.90	62.83	61.08	64.71	74.80	76.71	75.94	73.20	65.42	57.75	45.45
2021	46.30	44.34	55.63	58.22	66.85	73.45	75.03	73.81	71.36	65.76	48.18	55.74
2022	40.17	46.20	50.75	59.95	69.26	74.34	74.91	74.27	69.40	55.81	51.56	49.19
2023	50.46	54.11	56.50	61.04	67.59	72.98	75.08	75.72	71.12	59.87	51.62	47.78
2024	41.23	49.13	54.75	60.87	70.15	71.00	M	M	66.08	77.52	57.63	48.05
2025	41.86	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	42.90	46.70	52.10	58.30	66.20	72.60	74.70	74.71	71.01	60.80	50.60	45.50

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	56.73	59.62
2015	52.50	53.14	67.40	74.04	78.88	82.64	86.16	84.50	80.37	73.26	67.63	65.01
2016	53.95	59.14	68.19	71.64	76.75	83.40	85.13	84.29	82.71	76.75	65.58	60.87
2017	61.50	65.85	68.21	71.96	75.68	81.43	84.60	84.41	80.94	73.71	65.13	55.61
2018	49.20	68.63	65.51	68.13	82.55	84.12	84.81	83.51	83.05	76.22	59.76	57.71
2019	56.34	66.04	62.81	69.71	79.63	83.63	85.29	86.99	86.28	75.81	60.82	60.20
2020	59.77	60.13	73.52	72.78	75.88	84.71	85.95	84.52	80.20	74.25	66.94	55.83
2021	55.00	52.52	64.40	66.65	74.18	81.31	84.06	83.20	80.35	73.75	58.77	64.53
2022	50.77	56.54	61.89	69.44	78.03	82.78	83.71	83.42	80.37	67.91	60.47	57.14
2023	59.29	62.28	65.65	68.99	76.48	82.52	84.23	85.97	80.30	69.63	60.05	55.37
2024	51.45	59.25	63.31	69.97	78.07	78.95	M	M	76.99	77.52	65.57	57.37
2025	50.53	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	52.60	56.75	62.25	68.55	75.55	80.95	83.15	83.16	79.65	70.95	60.90	55.10

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	69.2%	76.9%
2015	69.2%	68.1%	75.5%	78.3%	76.4%	78.7%	74.2%	72.4%	76.4%	71.7%	76.6%	77.2%
2016	70.7%	63.8%	73.9%	72.1%	72.9%	76.9%	78.6%	83.4%	79.9%	76.0%	73.9%	77.7%
2017	74.7%	75.5%	73.3%	71.9%	73.8%	78.3%	77.5%	79.4%	71.5%	72.7%	73.1%	75.3%
2018	64.7%	76.9%	63.9%	65.5%	65.7%	74.5%	76.3%	78.2%	80.3%	76.1%	76.6%	75.6%
2019	70.3%	74.5%	68.5%	71.5%	73.1%	72.2%	73.6%	73.9%	68.4%	72.9%	65.2%	69.6%
2020	70.5%	68.2%	69.8%	65.3%	64.3%	71.7%	75.8%	74.7%	76.0%	73.7%	72.2%	72.1%
2021	70.4%	80.3%	75.7%	73.9%	77.9%	80.9%	80.0%	79.5%	78.4%	78.7%	76.8%	85.4%
2022	69.9%	71.9%	66.0%	69.5%	75.6%	75.5%	79.3%	81.3%	68.0%	68.7%	76.5%	76.9%
2023	75.7%	77.0%	73.1%	74.1%	74.5%	75.0%	74.9%	71.2%	78.3%	75.0%	80.6%	75.9%
2024	75.2%	72.9%	80.4%	78.8%	84.3%	89.6%	M	M	65.4%	60.5%	81.3%	81.8%
2025	71.9%	M	M	M	M	M	M	M	M	M	M	M