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 (USC00408562) 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	0.85	1.85	0.81	3.92	0.27	0.12	0.95	2.57	0.15	0.41	2.93
2017	1.56	1.62	2.09	2.15	M	M	0.05	6.00	4.97	4.33	1.80	3.26
2018	2.02	7.02	4.05	3.83	4.81	4.42	1.37	1.92	0.31	0.15	0.29	3.37
2019	3.11	9.66	1.71	3.93	1.94	M	M	M	M	M	M	3.74
2020	3.81	3.04	5.74	3.65	2.42	1.08	M	0.12	0.24	1.44	0.70	1.83
2021	1.61	1.78	3.02	0.85	1.74	0.68	1.37	1.40	1.17	3.47	0.78	0.47
2022	3.48	3.75	2.53	2.76	0.55	0.01	4.64	0.72	4.09	1.41	1.14	4.22
2023	0.66	0.12	0.05	M	M	M	M	M	0.15	M	M	0.01
2024	0.05	0.21	1.68	2.91	13.47	5.42	1.77	0.84	0.73	M	1.14	4.63
2025	2.87	5.90	2.96	3.62	4.53	5.52	2.36	M	M	M	M	M
NCEI Climatology	4.25	4.64	4.82	5.34	5.64	4.26	4.36	3.72	3.76	4.17	3.77	4.73

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	8.9	5.6
2015	6.7	7.9	6.2	6.5	5.1	5.6	5.1	3.8	3.8	5.6	6.0	7.8
2016	M	8.1	7.7	6.7	5.7	4.3	4.4	3.6	4.5	5.1	5.8	6.3
2017	7.7	7.7	8.7	7.8	6.6	4.6	4.1	3.7	4.0	6.1	6.4	6.9
2018	7.5	7.5	7.7	7.6	5.2	4.8	3.8	4.0	3.9	5.1	7.1	6.7
2019	7.3	7.6	7.0	6.5	5.7	3.7	M	M	M	M	M	5.9
2020	6.7	8.2	7.3	6.4	5.4	5.1	M	3.6	4.2	4.7	5.7	6.7
2021	6.8	7.5	7.1	6.2	5.1	5.3	4.6	3.7	3.5	5.0	5.3	7.5
2022	7.2	7.1	8.4	7.3	6.5	4.9	4.5	4.0	4.4	5.9	5.4	6.8
2023	7.7	8.2	8.5	6.6	5.1	4.7	M	4.2	3.1	4.8	5.7	6.5
2024	7.6	7.6	7.2	7.9	5.0	4.4	3.7	4.0	4.4	4.6	6.5	7.3
2025	6.5	7.4	8.7	7.4	5.6	4.8	4.2	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	53.44	47.91
2015	44.37	38.75	59.75	69.92	79.73	87.02	89.60	86.64	84.38	70.79	63.14	60.80
2016	M	48.46	63.76	70.40	70.85	84.98	87.63	85.01	84.65	74.12	61.83	49.70
2017	50.07	59.51	65.63	73.10	75.33	82.90	87.48	84.14	79.34	68.86	59.33	44.17
2018	42.92	56.49	57.03	61.94	83.15	86.66	87.45	86.87	82.82	70.79	52.40	50.35
2019	45.24	54.63	55.81	70.79	79.38	78.80	M	M	M	M	M	54.76
2020	49.42	50.56	62.77	66.38	74.39	84.86	M	85.65	78.92	69.68	63.44	49.59
2021	45.88	42.35	63.35	66.98	74.56	84.98	87.39	87.16	79.28	73.11	56.96	61.79
2022	43.50	48.62	62.54	67.40	79.96	87.92	90.88	86.99	81.98	70.03	59.42	48.66
2023	52.90	57.78	68.00	68.90	76.77	84.01	M	85.13	81.14	70.61	61.70	53.48
2024	41.58	59.81	64.28	70.88	79.09	86.72	87.51	88.67	83.48	76.01	61.70	51.63
2025	41.99	51.99	65.33	72.28	74.21	86.96	90.46	M	M	M	M	M
NCEI Climatology	45.29	49.85	58.91	69.00	77.21	85.10	88.51	88.11	82.31	71.20	58.70	48.70

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	35.60	33.86
2015	26.54	19.59	36.65	50.18	58.01	67.46	71.08	64.34	60.98	49.36	44.12	51.80
2016	M	34.23	44.72	50.06	56.21	67.04	71.54	71.19	65.60	53.74	43.64	34.77
2017	36.08	39.52	46.40	53.66	56.94	64.71	69.35	66.92	59.66	50.29	41.60	29.02
2018	25.70	38.81	38.97	43.28	63.53	67.76	68.87	68.46	65.78	51.10	35.66	35.02
2019	29.85	36.89	35.66	48.57	60.74	62.60	M	M	M	M	M	37.59
2020	34.61	33.30	45.01	44.48	55.11	63.98	M	68.00	59.84	49.07	40.52	30.37
2021	31.36	27.82	43.21	46.16	53.95	65.90	68.64	69.22	60.26	54.53	33.68	41.35
2022	23.64	26.60	41.90	47.42	60.28	66.02	71.54	67.71	59.30	45.65	38.18	32.17
2023	36.12	38.49	49.70	46.16	56.50	61.17	M	67.07	60.08	50.29	38.78	35.14
2024	27.18	36.97	43.44	52.22	60.45	65.72	69.05	66.08	62.24	50.29	45.56	35.60
2025	23.23	30.84	42.92	52.17	57.61	67.88	71.44	M	M	M	M	M
NCEI Climatology	27.00	29.81	37.30	46.60	56.49	64.60	68.30	66.30	59.50	47.50	37.70	30.70

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	44.52	40.88
2015	35.45	29.17	48.20	60.05	68.87	77.24	80.34	75.49	72.68	60.07	53.63	56.30
2016	M	41.34	54.24	60.23	63.53	76.01	79.58	78.10	75.12	63.93	52.73	42.24
2017	43.08	49.52	56.01	63.38	66.14	73.80	78.41	75.53	69.50	59.58	50.47	36.59
2018	34.31	47.65	48.00	52.61	73.34	77.21	78.16	77.67	74.30	60.95	44.03	42.68
2019	37.55	45.76	45.73	59.68	70.06	70.70	M	M	M	M	M	46.17
2020	42.02	41.93	53.89	55.43	64.75	74.42	M	76.83	69.38	59.38	51.98	39.98
2021	38.62	35.09	53.28	56.57	64.25	75.44	78.02	78.19	69.77	63.82	45.32	51.57
2022	33.57	37.61	52.22	57.41	70.12	76.97	81.21	77.35	70.64	57.84	48.80	40.42
2023	44.51	48.14	58.85	57.53	66.64	72.59	M	76.10	70.61	60.45	50.24	44.31
2024	34.38	48.39	53.86	61.55	69.77	76.22	78.28	77.38	72.86	63.15	53.63	43.61
2025	32.61	41.42	54.12	62.23	65.91	77.42	80.95	M	M	M	M	M
NCEI Climatology	36.15	39.83	48.10	57.80	66.85	74.85	78.41	77.21	70.91	59.35	48.20	39.70

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	69.7%	88.3%
2015	75.2%	70.1%	76.7%	76.2%	79.1%	86.5%	89.1%	83.4%	79.7%	79.8%	77.9%	99.8%
2016	M	72.3%	67.5%	63.0%	75.0%	73.3%	82.6%	84.8%	73.2%	71.5%	66.2%	73.7%
2017	75.0%	66.2%	65.4%	71.0%	75.2%	75.2%	79.7%	78.9%	79.8%	77.1%	71.0%	74.4%
2018	68.6%	78.6%	71.1%	68.8%	77.5%	80.4%	78.5%	79.3%	82.8%	78.9%	79.6%	79.4%
2019	76.4%	77.5%	62.5%	67.9%	78.4%	63.1%	M	M	M	M	M	75.5%
2020	78.4%	74.3%	75.0%	68.5%	76.2%	75.1%	M	83.9%	82.3%	81.2%	67.3%	74.8%
2021	76.5%	79.9%	64.5%	64.8%	71.4%	76.7%	80.2%	82.6%	83.8%	82.6%	69.4%	76.4%
2022	72.4%	68.0%	60.9%	65.8%	75.2%	65.9%	77.0%	78.7%	72.6%	62.7%	68.4%	78.6%
2023	78.7%	70.4%	65.2%	64.3%	74.9%	73.3%	M	83.0%	79.4%	76.3%	65.2%	73.7%
2024	79.5%	64.6%	65.2%	67.1%	81.5%	76.5%	81.9%	72.5%	72.8%	68.4%	78.7%	73.8%
2025	69.4%	75.6%	56.1%	71.3%	81.7%	82.4%	82.5%	M	M	M	M	M