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 (USC00099124) 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	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	4.83	4.22	6.06	4.76	1.59	3.58
2018	2.43	4.88	3.92	7.06	11.72	4.48	10.49	3.51	M	M	M	M
2019	M	M	M	1.95	0.49	2.65	3.50	7.89	0.03	5.89	2.43	7.52
2020	4.55	6.05	5.63	11.50	1.89	1.69	5.70	2.94	6.01	1.34	4.38	2.73
2021	4.54	3.99	3.76	2.01	2.76	3.74	8.10	6.81	2.55	4.22	0.32	3.96
2022	2.94	1.87	3.80	3.41	3.04	0.25	6.05	6.09	2.43	0.15	5.22	1.85
2023	3.44	1.56	4.06	2.19	2.16	5.00	1.23	M	3.24	2.91	1.76	2.04
2024	4.72	5.35	7.93	3.18	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	4.76	4.97	4.92	3.54	2.81	5.28	5.04	4.97	3.96	3.43	3.58	4.69

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	4.2	4.6	4.0	3.6	4.8	4.3
2015	5.3	6.5	5.1	5.2	4.1	4.4	4.1	3.7	4.1	4.4	4.6	4.1
2016	5.7	6.5	5.7	5.4	4.4	4.0	4.4	3.5	3.9	4.4	4.2	5.1
2017	5.5	5.0	6.2	4.4	4.5	3.5	4.1	5.0	5.0	6.5	4.5	6.1
2018	7.2	7.1	8.4	7.3	5.1	5.0	4.6	4.6	4.7	5.6	6.0	6.3
2019	6.6	6.3	7.1	6.6	5.2	6.1	5.1	4.4	4.5	5.8	5.6	7.6
2020	6.9	7.7	6.4	6.8	6.5	5.7	4.9	4.4	6.2	5.9	5.9	5.4
2021	6.8	7.4	7.0	6.3	6.1	5.0	4.1	4.2	3.7	4.2	5.3	5.8
2022	7.4	6.9	7.4	6.0	5.7	5.1	5.1	4.0	5.2	4.8	6.7	5.7
2023	6.2	7.3	6.6	6.2	6.3	5.4	4.6	3.8	3.9	4.8	5.4	6.0
2024	7.2	7.1	6.9	6.2	5.1	5.6	4.6	5.4	5.7	4.4	5.1	5.9
2025	6.2	6.2	7.9	7.4	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	90.95	97.03	89.20	82.95	66.79	65.35
2015	58.84	59.06	73.46	80.14	89.69	94.80	96.31	92.68	86.10	78.84	73.95	72.28
2016	58.49	65.19	76.40	79.00	87.06	95.32	98.34	96.03	94.68	87.10	77.03	66.01
2017	68.07	73.95	74.39	84.47	86.23	88.87	91.60	88.47	85.75	78.91	70.05	59.40
2018	55.89	69.65	66.60	73.58	85.71	91.61	90.48	89.61	91.82	80.38	63.17	60.20
2019	58.41	65.79	67.85	77.75	88.67	89.66	92.17	90.70	92.77	81.98	65.42	62.21
2020	61.51	61.50	73.91	75.86	82.33	88.41	92.13	90.81	83.50	80.21	73.08	59.14
2021	58.16	60.87	72.35	75.38	82.78	88.42	89.49	89.98	86.13	78.63	66.83	68.33
2022	58.20	66.49	72.40	76.13	86.15	94.38	91.39	89.12	81.74	76.88	69.42	60.25
2023	66.23	69.92	71.23	76.41	81.88	87.50	91.72	88.75	85.28	77.38	67.65	62.31
2024	58.51	64.70	70.34	74.40	83.41	81.94	91.98	92.37	85.58	80.44	71.56	61.24
2025	53.52	66.89	71.71	78.23	M	M	M	M	M	M	M	M
NCEI Climatology	57.59	61.71	68.90	76.31	83.40	88.80	91.40	89.91	85.29	76.70	67.40	59.51

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	77.45	70.25	71.39	54.83	40.04	43.82
2015	37.89	36.43	50.70	60.89	63.59	72.30	74.83	73.28	68.26	56.47	52.72	52.22
2016	38.15	42.02	52.64	56.45	63.25	71.74	75.23	74.79	69.00	57.32	46.53	45.55
2017	45.67	47.50	50.00	58.56	63.58	72.22	72.57	70.56	62.82	55.75	44.15	40.52
2018	31.48	50.76	43.51	48.01	63.92	69.46	71.80	70.50	70.32	57.75	43.10	41.71
2019	43.17	51.94	45.22	53.34	64.96	69.84	71.38	72.04	67.21	59.61	41.36	42.37
2020	42.40	40.87	53.79	51.30	58.72	68.09	72.37	71.86	66.03	58.20	49.67	34.91
2021	38.77	40.11	48.13	50.61	57.42	67.34	70.66	71.57	63.82	56.58	38.83	46.12
2022	35.12	39.59	45.87	48.61	61.09	68.80	72.34	71.37	62.82	47.48	47.26	40.06
2023	41.40	47.30	47.43	52.54	59.71	66.02	72.58	71.60	63.65	50.92	43.24	38.92
2024	35.46	40.62	48.64	51.99	63.78	69.00	72.79	69.85	67.30	52.06	50.10	37.42
2025	29.28	41.82	45.29	56.25	M	M	M	M	M	M	M	M
NCEI Climatology	36.31	39.80	45.68	52.01	61.10	69.09	72.21	71.69	66.20	55.59	44.19	38.40

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	84.20	83.64	80.29	68.89	53.42	54.59
2015	48.37	47.74	62.08	70.52	76.64	83.55	85.57	82.98	77.18	67.65	63.34	62.25
2016	48.32	53.61	64.52	67.72	75.16	83.53	86.79	85.41	81.84	72.21	61.78	55.78
2017	56.87	60.72	62.19	71.52	74.90	80.54	82.08	79.51	74.28	67.33	57.10	49.96
2018	43.69	60.21	55.05	60.79	74.81	80.54	81.14	80.05	81.07	69.06	53.13	50.95
2019	50.79	58.86	56.53	65.54	76.82	79.75	81.78	81.37	79.99	70.80	53.39	52.29
2020	51.95	51.18	63.85	63.58	70.53	78.25	82.25	81.34	74.76	69.20	61.37	47.03
2021	48.47	50.49	60.24	62.99	70.10	77.88	80.08	80.78	74.97	67.60	52.83	57.22
2022	46.66	53.04	59.14	62.37	73.62	81.59	81.86	80.25	72.28	62.18	58.34	50.15
2023	53.82	58.61	59.33	64.47	70.79	76.76	82.15	80.18	74.46	64.15	55.45	50.61
2024	46.99	52.66	59.49	63.20	73.60	75.47	82.38	81.11	76.44	66.25	60.83	49.33
2025	41.40	54.36	58.50	67.24	M	M	M	M	M	M	M	M
NCEI Climatology	46.95	50.75	57.29	64.16	72.25	78.94	81.81	80.80	75.75	66.15	55.80	48.95

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	65.2%	60.8%	74.8%	65.1%	62.3%	71.5%
2015	65.2%	59.2%	70.5%	70.9%	61.1%	65.2%	68.7%	73.8%	76.3%	74.7%	75.1%	76.6%
2016	64.9%	59.4%	64.0%	62.1%	60.0%	63.0%	65.6%	70.3%	64.2%	57.2%	53.1%	66.4%
2017	66.5%	60.9%	53.3%	60.1%	62.3%	72.5%	76.5%	80.9%	78.0%	75.3%	77.5%	76.7%
2018	62.5%	80.5%	63.5%	69.2%	77.4%	76.8%	80.2%	82.6%	78.2%	77.2%	82.2%	81.0%
2019	73.3%	77.7%	65.1%	69.8%	67.6%	72.9%	73.2%	79.8%	70.2%	76.0%	75.5%	75.3%
2020	74.9%	78.6%	78.5%	68.5%	69.9%	75.8%	77.8%	82.2%	81.8%	80.4%	77.2%	76.6%
2021	75.2%	78.0%	69.8%	64.2%	69.6%	78.9%	84.8%	85.9%	81.4%	82.0%	68.4%	83.5%
2022	70.2%	70.0%	67.5%	70.4%	74.4%	68.2%	82.0%	84.7%	84.6%	72.7%	72.9%	75.9%
2023	75.5%	73.9%	69.3%	71.7%	72.0%	77.0%	81.4%	78.6%	82.2%	77.2%	74.5%	72.5%
2024	71.2%	66.0%	71.2%	71.1%	81.4%	71.1%	81.1%	74.6%	78.1%	74.0%	80.8%	71.9%
2025	66.0%	72.1%	62.9%	77.1%	M	M	M	M	M	M	M	M