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 (USC00408179) 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	0.00	M	M	2.63	1.45	2.60
2018	1.04	4.39	3.44	2.31	4.26	3.22	3.65	3.86	4.44	2.31	3.14	4.72
2019	3.11	8.55	3.63	5.22	2.98	1.48	5.31	2.59	0.01	3.15	4.41	4.44
2020	4.13	5.81	5.15	5.20	2.61	4.87	1.80	4.17	4.84	3.76	1.77	3.85
2021	1.20	4.06	7.52	0.68	5.68	1.41	2.93	8.99	1.43	3.46	1.11	2.08
2022	4.16	7.47	2.13	3.30	0.01	0.31	7.39	3.02	1.67	0.94	2.53	3.82
2023	4.97	3.55	4.52	2.39	1.60	2.92	4.41	5.78	1.52	0.39	0.68	2.39
2024	3.57	2.51	3.04	1.61	3.56	0.19	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	4.41	4.41	4.69	4.32	3.87	4.26	4.65	3.40	3.56	2.90	3.56	4.90

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	3.1	2.1	1.9	3.1	3.6	2.1
2015	3.4	4.2	3.2	3.7	2.2	2.9	3.0	2.1	2.0	1.1	0.9	2.7
2016	2.7	4.8	3.4	4.0	3.3	3.2	3.1	2.3	2.0	2.0	1.9	2.6
2017	4.6	3.3	4.0	3.4	3.9	2.4	3.3	2.5	2.7	2.6	1.8	2.9
2018	2.5	3.6	4.8	4.9	2.5	2.7	2.1	1.7	1.8	2.2	3.1	2.7
2019	3.6	3.4	3.7	3.7	3.3	2.7	2.3	2.1	1.7	2.1	2.0	3.1
2020	3.5	4.0	3.5	4.4	3.1	3.1	2.3	2.3	2.4	1.7	2.3	2.7
2021	2.7	3.3	3.2	3.5	3.0	2.5	2.5	1.9	1.6	1.9	2.1	2.8
2022	3.4	3.7	4.9	3.6	4.9	2.4	2.8	2.1	2.4	2.4	2.6	2.7
2023	3.7	4.1	4.0	3.7	3.5	3.2	2.3	2.6	1.7	2.3	1.9	2.6
2024	3.8	3.2	3.8	4.5	2.8	2.5	2.6	2.6	3.2	1.8	2.4	3.3
2025	3.4	3.8	5.6	4.6	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	84.72	86.00	81.56	70.67	52.52	49.42
2015	45.18	41.00	61.85	70.94	81.94	87.92	87.39	86.64	82.70	69.61	62.54	61.38
2016	43.61	50.43	67.13	71.90	76.94	88.82	92.62	90.30	87.38	79.03	64.28	49.54
2017	53.83	59.39	61.73	75.08	77.46	83.90	89.25	86.58	80.90	70.21	61.10	49.83
2018	44.31	65.14	58.07	67.70	83.39	87.80	88.09	86.17	85.46	72.59	55.40	50.73
2019	49.48	57.52	59.35	73.64	83.10	84.14	88.73	88.79	91.46	76.30	56.66	56.21
2020	52.96	53.97	66.14	68.48	75.08	85.04	91.57	87.16	79.76	73.57	65.48	48.71
2021	48.06	50.96	66.61	70.10	76.48	86.18	87.92	87.45	81.26	73.52	58.76	61.96
2022	45.94	58.42	66.90	70.28	81.05	89.72	90.59	87.39	81.38	70.03	62.54	50.70
2023	53.89	61.38	63.35	71.12	77.23	82.88	88.44	86.29	83.60	73.75	64.10	54.94
2024	46.46	60.24	65.56	71.54	79.61	87.62	90.65	89.54	83.66	75.61	65.18	54.35
2025	42.34	56.62	70.52	74.46	M	M	M	M	M	M	M	M
NCEI Climatology	49.00	53.94	62.70	72.20	80.20	87.10	89.60	89.40	84.01	73.79	61.40	52.10

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	63.41	64.23	60.26	46.69	29.24	32.93
2015	24.97	21.20	37.81	47.60	55.86	64.04	67.77	63.65	59.12	47.33	39.86	39.32
2016	22.01	31.26	38.68	45.26	54.12	63.26	67.83	68.06	60.56	47.33	35.36	29.79
2017	36.01	32.84	36.06	49.70	55.46	60.38	66.61	64.05	55.88	43.95	37.04	31.25
2018	20.85	43.45	37.92	42.62	61.26	65.30	67.83	66.43	66.86	51.28	34.94	34.53
2019	30.72	39.01	35.77	47.96	59.93	63.20	67.94	66.72	63.92	51.51	33.20	34.85
2020	34.61	34.61	45.88	43.88	52.96	62.36	68.70	68.06	60.74	50.29	37.88	27.63
2021	30.89	31.55	38.97	42.80	52.73	64.34	67.54	67.94	59.60	52.96	31.52	36.76
2022	26.19	30.59	39.03	44.60	61.70	64.64	69.97	66.84	57.74	42.05	37.28	31.83
2023	34.15	39.01	38.62	45.32	54.88	60.50	67.59	66.78	60.26	48.26	36.62	32.70
2024	26.66	33.12	42.10	48.92	58.88	64.82	68.99	65.45	61.64	47.27	43.46	32.52
2025	22.83	32.45	40.91	48.20	M	M	M	M	M	M	M	M
NCEI Climatology	27.40	30.30	36.30	44.80	54.71	63.10	67.10	65.70	59.51	46.60	35.40	29.90

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	74.07	75.11	70.91	58.68	40.88	41.17
2015	35.08	31.10	49.83	59.27	68.90	75.98	77.58	75.14	70.91	58.47	51.20	50.35
2016	32.81	40.84	52.90	58.58	65.53	76.04	80.22	79.18	73.97	63.18	49.82	39.66
2017	44.92	46.11	48.90	62.39	66.46	72.14	77.93	75.32	68.39	57.08	49.07	40.54
2018	32.58	54.30	48.00	55.16	72.33	76.55	77.96	76.30	76.16	61.93	45.17	42.63
2019	40.10	48.26	47.56	60.80	71.51	73.67	78.34	77.75	77.69	63.91	44.93	45.53
2020	43.79	44.29	56.01	56.18	64.02	73.70	80.14	77.61	70.25	61.93	51.68	38.17
2021	39.48	41.26	52.79	56.45	64.60	75.26	77.73	77.70	70.43	63.24	45.14	49.36
2022	36.06	44.50	52.96	57.44	71.38	77.18	80.28	77.12	69.56	56.04	49.91	41.26
2023	44.02	50.19	50.99	58.22	66.05	71.69	78.02	76.54	71.93	61.00	50.36	43.82
2024	36.56	46.68	53.83	60.23	69.25	76.22	79.82	77.49	72.65	61.44	54.32	43.44
2025	32.58	44.54	55.72	61.33	M	M	M	M	M	M	M	M
NCEI Climatology	38.20	42.12	49.50	58.50	67.45	75.10	78.35	77.55	71.76	60.19	48.40	41.00

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	72.1%	76.5%	78.3%	76.7%	68.9%	82.7%
2015	71.0%	70.2%	72.0%	67.7%	69.0%	70.8%	76.1%	72.7%	74.1%	85.5%	73.4%	81.3%
2016	74.5%	69.1%	65.5%	59.4%	71.4%	66.5%	70.2%	74.9%	68.8%	68.8%	66.5%	77.1%
2017	76.0%	67.0%	62.3%	69.4%	70.5%	72.2%	70.8%	72.9%	72.5%	73.8%	79.0%	75.3%
2018	71.1%	79.3%	65.8%	63.6%	74.7%	74.4%	76.4%	80.8%	84.5%	80.1%	80.6%	82.9%
2019	75.4%	75.9%	65.5%	67.3%	71.6%	76.4%	77.4%	74.9%	67.5%	74.6%	78.5%	78.5%
2020	74.7%	77.7%	73.8%	65.9%	74.3%	74.2%	74.1%	80.6%	82.4%	83.6%	74.9%	82.9%
2021	77.9%	80.1%	68.8%	62.8%	72.1%	75.1%	76.9%	84.4%	82.7%	85.3%	74.1%	81.2%
2022	77.9%	73.0%	62.0%	65.9%	66.6%	65.8%	80.7%	81.0%	77.4%	72.1%	73.8%	80.5%
2023	81.1%	73.6%	64.6%	67.9%	73.8%	74.6%	81.3%	83.7%	82.0%	77.2%	71.4%	77.0%
2024	80.4%	69.4%	68.2%	69.8%	81.6%	75.0%	77.5%	75.3%	76.1%	77.0%	80.9%	79.0%
2025	72.3%	73.2%	58.2%	66.8%	M	M	M	M	M	M	M	M