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 (USC00012675) 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	0.59	4.19	4.22	2.32	4.28
2015	3.50	4.79	1.93	10.33	5.18	1.61	8.37	2.69	7.27	1.56	8.87	11.77
2016	4.85	5.26	6.35	5.54	0.71	3.61	5.85	8.70	M	M	M	M
2017	0.42	0.11	0.80	0.68	5.14	14.29	3.05	11.13	5.88	5.19	0.61	2.79
2018	0.76	7.38	3.44	4.33	5.37	4.33	7.29	3.50	5.43	3.72	5.36	8.68
2019	5.76	1.63	0.88	2.24	1.88	2.26	0.79	1.29	0.01	0.01	1.45	8.69
2020	4.64	3.96	2.19	6.72	2.98	5.24	3.59	3.07	9.77	2.53	2.17	2.47
2021	5.47	4.30	5.59	3.28	3.42	7.71	3.91	5.45	0.54	1.11	0.22	5.70
2022	2.70	0.47	6.29	4.66	5.72	3.48	3.88	4.29	1.23	2.19	2.52	3.34
2023	6.99	1.89	4.44	3.90	6.13	2.78	4.92	2.32	0.27	0.55	2.84	0.01
2024	M	0.02	0.43	2.27	0.07	M	M	M	M	M	M	M
2025	M	M	0.43	1.23	2.45	6.12	1.09	M	M	M	M	M
NCEI Climatology	5.47	4.90	5.00	4.46	3.05	5.56	7.01	5.63	4.81	2.97	4.38	4.84

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	2.9	2.5	2.7	4.0	3.8
2015	5.0	5.8	4.4	3.8	3.4	2.7	2.3	2.9	3.0	4.3	4.3	4.5
2016	4.7	5.4	5.6	4.7	3.3	2.6	2.4	2.8	M	M	M	M
2017	4.4	4.2	5.4	4.7	3.5	3.3	2.0	2.3	2.9	4.7	2.8	3.9
2018	5.5	5.1	5.1	4.8	3.3	2.1	2.1	2.4	2.7	3.9	3.8	4.5
2019	4.5	5.4	4.8	4.2	3.0	3.4	2.9	2.4	3.1	3.8	3.5	4.9
2020	4.7	5.0	4.7	4.5	4.0	3.5	2.6	2.7	4.7	4.1	4.4	3.8
2021	4.0	4.8	5.0	3.5	4.6	3.6	1.9	3.0	2.3	3.1	2.9	3.9
2022	4.6	6.3	4.9	4.7	3.5	2.3	1.8	1.9	3.3	3.3	4.3	4.0
2023	4.1	5.1	5.0	4.1	2.9	2.8	1.7	2.5	2.4	3.6	3.3	4.1
2024	5.5	4.5	4.5	4.4	3.7	M	M	M	M	M	M	M
2025	M	M	5.4	4.2	3.8	2.3	2.6	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	91.85	84.80	78.05	62.96	62.14
2015	57.56	56.04	72.12	77.12	84.20	88.76	90.47	88.79	83.30	76.13	70.88	68.29
2016	55.46	63.22	71.66	75.50	82.11	88.04	90.24	88.57	M	M	M	M
2017	66.15	71.37	72.08	81.26	82.82	83.82	89.43	88.51	83.82	78.90	70.81	60.23
2018	55.59	72.17	68.65	74.86	85.49	88.54	89.43	87.74	89.05	80.17	64.21	60.75
2019	58.67	68.99	68.26	77.25	87.16	90.44	90.75	90.88	92.86	84.15	66.68	62.84
2020	62.93	63.54	77.60	77.21	82.78	87.00	89.79	90.33	84.30	80.15	72.81	60.85
2021	58.34	61.16	73.19	73.84	81.83	86.50	86.62	88.90	84.37	78.58	66.79	69.95
2022	58.05	69.41	73.87	76.91	84.33	91.02	88.78	87.76	85.48	77.15	69.43	62.54
2023	64.98	71.32	72.66	76.91	82.49	87.51	90.73	93.92	86.67	77.97	67.15	61.51
2024	59.19	66.07	71.35	78.00	86.47	M	M	M	M	M	M	M
2025	M	M	76.58	81.26	85.07	89.23	87.42	M	M	M	M	M
NCEI Climatology	61.00	65.02	71.90	78.20	85.69	90.10	91.50	91.10	87.99	80.50	70.60	62.91

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	70.55	67.28	53.72	38.66	42.39
2015	38.12	35.02	51.39	59.48	62.14	69.26	71.25	70.21	65.84	56.85	52.40	49.94
2016	36.35	40.57	51.28	54.20	60.97	68.18	70.90	71.77	M	M	M	M
2017	43.66	46.41	49.65	60.33	60.45	69.01	71.60	71.46	65.41	58.78	47.59	42.15
2018	33.66	52.61	45.84	50.22	64.54	70.36	72.27	70.77	70.99	60.75	44.49	44.29
2019	43.80	57.02	47.05	53.42	64.21	70.35	71.02	71.60	69.71	62.58	42.58	45.17
2020	42.61	43.00	56.65	53.82	60.11	68.94	71.82	72.03	68.77	62.37	52.27	36.73
2021	39.63	41.74	50.18	51.70	59.93	69.40	70.75	71.58	66.29	59.05	42.17	50.35
2022	35.25	48.54	48.33	53.39	63.96	70.71	71.91	71.27	65.92	51.20	49.50	43.04
2023	43.30	49.49	50.99	54.94	61.31	67.84	72.15	72.62	66.66	55.84	45.99	41.75
2024	37.07	42.12	49.92	54.73	66.59	M	M	M	M	M	M	M
2025	M	M	61.18	56.55	64.60	69.90	72.02	M	M	M	M	M
NCEI Climatology	37.59	41.41	47.19	53.10	61.60	68.40	70.80	70.50	66.10	56.29	45.90	40.20

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	81.20	76.04	65.88	50.81	52.26
2015	47.84	45.53	61.76	68.30	73.17	79.01	80.86	79.50	74.57	66.49	61.64	59.12
2016	45.91	51.89	61.47	64.85	71.54	78.11	80.57	80.17	M	M	M	M
2017	54.90	58.89	60.87	70.79	71.63	76.42	80.51	79.99	74.61	68.84	59.20	51.19
2018	44.63	62.39	57.25	62.54	75.02	79.45	80.85	79.26	80.02	70.46	54.35	52.52
2019	51.24	63.01	57.65	65.33	75.68	80.39	80.89	81.24	81.29	73.36	54.63	54.00
2020	52.77	53.27	67.13	65.52	71.44	77.97	80.80	81.18	76.54	71.26	62.54	48.79
2021	48.98	51.45	61.69	62.77	70.88	77.95	78.68	80.24	75.33	68.81	54.48	60.15
2022	46.65	58.97	61.10	65.15	74.15	80.86	80.34	79.52	75.70	64.18	59.47	52.79
2023	54.14	60.40	61.83	65.93	71.90	77.68	81.44	83.27	76.67	66.91	56.57	51.63
2024	48.13	54.09	60.64	66.36	76.53	M	M	M	M	M	M	M
2025	M	M	68.87	68.90	74.84	79.57	79.72	M	M	M	M	M
NCEI Climatology	49.29	53.21	59.55	65.65	73.65	79.25	81.15	80.80	77.04	68.40	58.25	51.56

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	72.2%	83.3%	75.7%	74.2%	81.3%
2015	71.9%	69.7%	78.9%	81.1%	74.9%	79.9%	81.2%	81.2%	81.5%	79.1%	82.2%	85.1%
2016	77.8%	68.1%	76.0%	72.0%	72.5%	78.1%	83.3%	89.0%	M	M	M	M
2017	75.7%	75.8%	66.9%	74.7%	76.1%	87.4%	85.0%	85.1%	79.8%	78.4%	81.2%	84.4%
2018	65.8%	84.0%	70.4%	72.6%	79.5%	84.5%	86.0%	88.1%	87.7%	81.1%	87.2%	85.0%
2019	78.6%	80.7%	71.2%	76.4%	75.3%	75.7%	80.2%	84.0%	70.2%	76.1%	78.5%	80.4%
2020	78.3%	81.0%	76.3%	70.0%	72.4%	81.8%	85.7%	84.0%	83.1%	84.7%	77.1%	79.5%
2021	79.5%	81.8%	74.3%	73.0%	72.5%	84.8%	90.3%	86.6%	84.9%	80.6%	74.3%	88.9%
2022	75.8%	75.0%	70.2%	70.5%	77.7%	79.0%	86.0%	87.6%	75.1%	69.0%	75.9%	79.1%
2023	77.6%	78.9%	73.1%	73.3%	75.6%	78.7%	83.2%	78.5%	77.7%	71.4%	77.2%	75.2%
2024	73.4%	71.2%	72.4%	70.4%	77.0%	M	M	M	M	M	M	M
2025	M	M	75.5%	72.8%	76.7%	81.8%	82.4%	M	M	M	M	M