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 (USC00091500) 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
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	0.00	M	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	1.62	1.86
2025	2.31	2.46	5.49	3.20	4.29	6.41	3.18	2.61	0.43	0.99	0.35	2.27
2026	1.22	1.36	0.80	0.27	7.27	3.14	2.33	2.26	0.30	M	M	M
NCEI Climatology	5.00	4.94	5.21	4.00	2.30	5.56	5.25	5.28	4.03	2.75	3.19	4.24

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	3.1	3.1	2.6	2.3	2.2	1.7	2.7	2.7	2.8
2016	3.0	4.2	4.2	3.8	2.4	2.1	2.3	3.8	M	2.6	2.3	2.7
2017	3.8	3.6	4.0	3.7	3.4	1.2	1.2	2.2	2.1	3.1	1.1	2.0
2018	2.6	3.2	3.7	3.9	2.7	1.6	1.0	1.4	1.9	2.3	1.4	1.5
2019	0.8	0.0	0.0	0.0	1.7	3.1	2.2	2.2	2.6	3.5	2.2	4.0
2020	3.3	4.4	4.0	2.4	0.0	0.3	0.3	2.4	3.2	2.8	2.6	2.6
2021	3.2	3.4	4.0	3.0	4.2	3.2	0.7	2.7	1.6	2.2	1.8	0.5
2022	3.7	2.1	2.9	4.2	3.4	2.4	2.6	1.9	2.4	2.4	3.9	3.0
2023	3.8	5.2	4.4	4.0	3.1	3.4	2.2	2.3	2.3	2.4	2.5	3.3
2024	4.2	3.8	3.9	4.0	3.2	3.5	2.0	2.7	2.6	3.5	5.1	4.4
2025	4.2	5.1	6.4	5.1	5.3	4.2	3.8	3.8	3.8	5.2	3.9	4.1
2026	4.7	5.9	5.4	4.8	4.2	4.4	4.0	4.2	3.5	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
2015	M	M	M	79.76	87.53	90.98	93.22	91.00	85.30	80.26	74.91	72.14
2016	59.10	65.57	74.29	76.82	82.88	88.89	86.22	80.54	M	86.24	78.09	69.22
2017	70.03	75.18	79.23	84.52	84.93	86.46	89.84	87.94	87.85	81.86	74.05	63.50
2018	58.98	73.91	71.05	77.03	87.08	90.81	90.19	89.90	91.70	82.27	71.12	63.34
2019	62.29	71.85	69.67	83.80	89.53	90.81	91.48	91.92	94.73	85.63	69.35	66.82
2020	66.10	66.70	79.66	79.74	84.40	88.46	92.52	91.47	85.12	82.26	75.73	62.28
2021	60.87	65.01	75.88	75.85	83.98	88.82	89.57	89.47	85.94	80.20	69.22	69.85
2022	59.29	68.81	75.56	78.95	86.86	93.92	91.33	89.82	86.52	79.82	71.86	64.99
2023	68.05	78.05	58.56	77.51	82.99	88.34	93.03	96.62	88.79	81.57	71.72	65.45
2024	63.46	68.66	73.85	80.08	86.64	93.29	92.94	93.13	86.30	76.23	75.86	65.15
2025	57.26	70.19	74.27	82.34	87.34	90.20	93.55	89.66	91.22	81.01	75.50	69.46
2026	63.42	68.69	79.40	84.71	84.75	90.35	93.92	92.62	94.28	M	M	M
NCEI Climatology	60.40	64.29	70.40	77.30	84.40	88.71	90.40	89.80	86.30	79.01	70.02	62.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	62.01	64.06	71.38	73.39	72.34	68.30	58.04	54.89	52.38
2016	38.29	41.72	52.47	55.54	60.49	69.07	67.78	55.25	M	58.99	48.74	48.96
2017	47.67	49.80	53.18	59.00	64.64	71.96	73.95	71.89	67.27	59.87	47.83	44.73
2018	35.14	54.28	47.16	53.13	67.15	71.85	73.22	72.59	72.74	62.38	49.57	46.69
2019	47.66	58.40	49.88	54.58	66.70	71.79	72.45	73.76	69.44	62.81	45.16	47.55
2020	45.44	45.38	57.67	56.22	62.39	69.44	73.58	73.64	69.32	62.43	53.69	38.73
2021	43.04	44.50	52.57	54.18	61.14	70.58	72.81	73.14	67.70	59.13	41.46	36.30
2022	37.02	43.66	50.13	54.63	64.47	71.31	73.22	72.06	65.97	50.72	50.51	43.85
2023	44.14	60.27	25.47	46.13	61.65	68.77	75.05	74.01	68.07	55.65	47.07	44.10
2024	40.74	43.94	53.17	57.05	67.14	72.42	75.63	73.43	71.15	44.60	55.40	40.30
2025	31.48	46.91	48.43	57.38	65.33	70.82	74.04	71.83	63.56	55.75	40.80	42.24
2026	36.74	41.62	50.83	53.83	63.47	70.17	72.70	73.34	72.86	M	M	M
NCEI Climatology	37.70	40.79	46.40	53.40	61.80	69.40	71.89	71.30	66.60	55.70	44.70	40.10

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	70.88	75.80	81.18	83.31	81.67	76.80	69.15	64.90	62.26
2016	48.70	53.64	63.38	66.18	71.68	78.98	77.00	67.89	M	72.62	63.42	59.09
2017	58.85	62.49	66.20	71.76	74.78	79.21	81.89	79.92	77.56	70.86	60.94	54.11
2018	47.06	64.09	59.11	65.08	77.12	81.33	81.71	81.25	82.22	72.33	60.34	55.02
2019	54.98	65.13	59.77	69.19	78.12	81.30	81.97	82.84	82.09	74.22	57.26	57.18
2020	55.77	56.04	68.67	67.98	73.39	78.95	83.05	82.55	77.22	72.35	64.71	50.50
2021	51.95	54.76	64.23	65.02	72.56	79.70	81.19	81.30	76.82	69.66	55.34	53.07
2022	48.16	56.23	62.85	66.79	75.67	82.61	82.27	80.94	76.24	65.27	61.18	54.42
2023	56.10	69.16	42.02	61.82	72.32	78.56	84.04	85.31	78.43	68.61	59.39	54.78
2024	52.10	56.30	63.51	68.56	76.89	82.85	84.28	83.28	78.72	60.41	65.63	52.73
2025	44.37	58.55	61.35	69.86	76.33	80.51	83.79	80.75	77.39	68.38	58.15	55.85
2026	50.08	55.16	65.12	69.27	74.11	80.26	83.31	82.98	83.57	M	M	M
NCEI Climatology	49.05	52.54	58.40	65.35	73.10	79.06	81.15	80.55	76.45	67.35	57.36	51.50

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
2015	M	M	M	82.2%	70.9%	79.6%	82.1%	82.4%	85.5%	80.3%	84.7%	86.6%
2016	77.3%	70.0%	74.8%	71.7%	70.5%	75.4%	70.4%	83.8%	M	70.8%	67.3%	79.9%
2017	77.5%	74.2%	64.7%	66.8%	71.6%	85.9%	81.5%	81.2%	79.0%	76.8%	79.2%	81.3%
2018	69.8%	82.3%	68.1%	71.3%	74.8%	77.6%	80.3%	81.5%	78.1%	73.4%	77.3%	81.4%
2019	73.6%	74.8%	67.4%	61.6%	66.9%	73.0%	76.6%	79.1%	67.2%	73.3%	76.3%	76.0%
2020	75.3%	75.7%	72.0%	67.3%	68.4%	74.5%	76.5%	78.3%	81.2%	80.1%	78.4%	78.1%
2021	79.1%	81.2%	71.4%	69.7%	66.3%	76.0%	82.3%	81.7%	81.3%	80.0%	71.5%	74.1%
2022	69.7%	69.6%	65.5%	63.1%	67.9%	66.0%	75.0%	76.8%	69.9%	61.9%	66.3%	66.4%
2023	66.9%	68.3%	60.5%	68.2%	70.9%	75.9%	81.2%	76.3%	78.5%	72.0%	74.3%	76.1%
2024	72.7%	70.3%	73.0%	69.9%	78.8%	71.7%	83.9%	77.3%	83.9%	71.3%	81.2%	78.9%
2025	74.0%	77.8%	68.8%	72.7%	75.8%	84.0%	84.1%	87.4%	75.7%	78.3%	75.0%	79.5%
2026	77.8%	70.5%	71.3%	64.2%	81.2%	80.5%	82.7%	84.5%	83.1%	M	M	M