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 (USC00386299) 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
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	1.77	4.32
2018	0.00	0.00	0.34	3.01	5.40	1.68	4.58	1.92	3.75	3.25	2.12	5.36
2019	3.08	0.75	2.48	2.74	2.25	2.90	1.64	1.84	1.07	4.31	2.50	8.61
2020	6.66	5.40	4.03	3.03	0.04	4.39	5.36	4.78	6.77	1.92	2.87	2.58
2021	4.29	6.75	2.25	0.59	0.63	6.32	8.92	10.42	3.55	1.55	0.60	4.52
2022	2.49	0.97	3.21	2.94	2.41	2.96	0.84	0.02	0.00	0.00	0.00	0.00
2023	0.00	0.00	0.00	0.00	3.45	5.82	3.21	7.12	1.12	2.10	1.20	3.70
2024	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	17.06	2.48
2025	3.29	0.00	0.00	0.00	0.00	1.01	M	M	M	M	M	M
NCEI Climatology	4.31	4.11	4.21	3.34	3.57	5.17	7.69	6.39	4.41	3.52	3.57	4.40

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	4.4	5.7
2018	6.6	6.0	7.9	7.7	4.4	5.1	4.4	4.6	4.6	4.8	5.5	5.4
2019	5.3	5.6	5.9	5.8	4.9	4.7	4.9	4.2	4.6	5.1	5.3	7.0
2020	6.5	7.0	5.3	4.4	4.1	3.8	2.1	1.5	5.1	5.0	5.1	4.7
2021	5.3	6.2	6.8	6.0	4.2	5.2	4.0	3.5	3.5	4.0	5.1	5.1
2022	7.2	6.1	6.6	5.3	6.3	4.8	5.2	3.9	5.5	4.5	6.5	4.8
2023	6.1	6.7	6.3	6.4	7.1	5.6	4.2	5.0	4.4	5.1	5.4	5.5
2024	6.7	6.2	6.7	7.0	5.6	5.3	5.0	6.4	6.9	4.7	5.3	5.9
2025	5.8	6.0	7.3	5.9	6.1	5.7	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
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	66.62	58.56
2018	51.00	69.79	65.60	72.62	85.98	91.88	90.48	90.86	88.95	78.33	63.26	58.70
2019	56.16	64.84	67.01	77.02	88.04	86.75	92.81	91.65	92.14	82.17	63.10	61.70
2020	61.18	62.29	71.45	76.08	76.77	86.82	91.82	89.98	83.22	79.47	70.99	56.14
2021	54.76	59.16	70.49	77.03	85.14	87.54	89.52	89.75	85.33	78.18	65.95	66.81
2022	59.14	65.88	71.44	78.08	86.00	92.31	89.88	88.05	84.54	74.67	68.73	57.09
2023	60.77	69.15	72.40	77.17	78.27	85.50	91.71	91.76	84.18	76.66	65.94	64.13
2024	M	M	72.21	78.51	85.93	93.50	95.37	91.11	84.97	78.83	70.62	60.54
2025	53.83	65.54	72.73	81.81	83.35	89.04	M	M	M	M	M	M
NCEI Climatology	57.90	61.31	68.20	76.50	83.90	90.20	92.91	90.90	85.50	76.19	66.01	60.09

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	42.07	38.20
2018	27.43	48.60	41.25	47.98	63.66	69.35	70.42	69.94	70.53	58.10	43.36	39.48
2019	42.02	50.41	43.86	52.76	64.42	65.93	70.12	71.08	67.56	57.65	39.00	39.72
2020	41.10	41.07	51.86	50.45	51.27	68.75	72.86	72.21	64.98	58.06	48.17	33.29
2021	37.74	38.68	46.63	49.36	58.90	68.50	70.60	71.86	62.78	56.33	37.68	44.10
2022	37.42	40.75	46.47	52.05	62.96	68.48	73.37	70.87	63.77	49.77	47.88	42.63
2023	41.72	44.81	49.95	52.35	58.14	64.68	72.42	71.05	63.03	52.06	42.66	39.37
2024	M	M	52.12	53.46	64.04	69.11	74.27	72.94	67.70	52.69	50.48	38.64
2025	29.23	40.59	44.39	55.98	63.28	68.63	M	M	M	M	M	M
NCEI Climatology	33.80	36.48	41.80	49.90	59.20	68.90	72.20	70.89	64.59	52.10	40.40	36.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	54.34	48.38
2018	39.22	59.19	53.42	60.30	74.82	80.61	80.45	80.40	79.74	68.21	53.31	49.09
2019	49.09	57.63	55.43	64.89	76.23	76.34	81.47	81.37	79.85	69.91	51.05	50.71
2020	51.14	51.68	61.66	63.26	64.02	77.78	82.34	81.09	74.10	68.76	59.58	44.71
2021	46.25	48.92	58.56	63.19	72.02	78.02	80.06	80.80	74.06	67.25	51.81	55.46
2022	48.28	53.32	58.95	65.07	74.48	80.39	81.62	79.46	74.16	62.22	58.31	49.86
2023	51.25	56.98	61.18	64.76	68.21	75.09	82.07	81.40	73.61	64.36	54.30	51.75
2024	M	M	62.16	65.98	74.99	81.30	84.82	82.03	76.33	65.76	60.55	49.59
2025	41.53	53.07	58.56	68.89	73.31	78.83	M	M	M	M	M	M
NCEI Climatology	45.85	48.89	55.00	63.20	71.55	79.55	82.55	80.90	75.04	64.15	53.21	48.25

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
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	70.7%	68.5%
2018	53.0%	71.2%	57.4%	61.6%	68.7%	64.7%	63.8%	63.9%	67.9%	71.3%	80.5%	83.6%
2019	70.7%	77.0%	64.8%	70.1%	68.1%	71.4%	63.9%	68.9%	65.6%	70.6%	64.6%	69.6%
2020	66.0%	74.7%	75.8%	65.9%	58.5%	82.4%	87.5%	93.2%	83.9%	91.2%	86.9%	90.4%
2021	91.0%	96.0%	74.2%	62.0%	65.7%	93.5%	98.8%	99.5%	99.4%	97.0%	77.0%	92.6%
2022	80.7%	77.6%	73.8%	67.7%	76.0%	73.4%	99.0%	99.1%	90.1%	81.0%	86.1%	92.7%
2023	89.0%	94.7%	71.7%	73.9%	76.0%	96.7%	99.8%	96.5%	97.3%	90.1%	76.8%	90.0%
2024	M	M	59.3%	61.4%	68.6%	66.7%	73.6%	79.1%	75.7%	69.5%	76.6%	68.9%
2025	61.6%	68.4%	56.6%	65.9%	72.3%	77.2%	M	M	M	M	M	M