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 (USC00238466) 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
2017	M	M	M	M	M	M	M	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	0.45	M	2.49	1.10	1.68	2.78	0.59
2021	2.28	0.01	4.53	6.01	5.22	5.57	2.78	2.74	2.90	4.70	0.82	1.88
2022	0.55	0.88	3.94	4.01	5.01	1.95	6.18	M	0.65	3.37	1.79	0.99
2023	1.71	1.69	1.44	0.40	1.39	0.61	6.74	2.08	1.10	0.63	0.87	2.39
2024	1.31	0.20	0.95	6.71	5.26	3.62	0.02	0.84	1.43	1.21	2.92	1.58
2025	0.65	0.02	1.02	M	0.04	3.00	1.20	0.73	4.46	2.72	2.51	0.04
2026	0.79	1.48	4.80	9.64	5.59	4.68	3.75	1.35	0.01	M	M	M
NCEI Climatology	1.75	2.24	3.04	4.60	5.52	5.24	4.70	3.96	4.11	3.45	3.06	1.97

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	M	M	M	M	M	2.5	5.4	5.2	6.1
2018	6.8	6.1	6.6	7.6	3.9	4.0	2.4	3.5	3.5	4.8	4.5	5.3
2019	6.1	5.9	6.6	6.8	5.1	3.9	4.7	3.1	3.4	M	M	M
2020	M	M	M	M	3.4	4.7	3.3	4.4	5.4	6.7	7.7	6.4
2021	6.7	8.4	8.9	7.7	6.3	5.0	4.1	5.3	5.6	6.5	6.7	7.8
2022	8.0	8.6	8.0	9.1	7.5	5.3	5.1	1.8	4.8	6.4	6.7	7.8
2023	7.3	8.0	8.3	7.7	5.1	4.3	5.3	4.7	3.9	6.8	6.0	7.1
2024	6.3	7.6	8.9	8.4	5.6	6.2	3.8	4.8	4.7	6.2	6.6	6.6
2025	6.5	7.3	9.3	M	4.7	5.3	5.8	4.5	3.3	5.1	6.3	7.4
2026	7.8	7.2	9.3	9.2	5.9	6.3	4.5	5.5	5.0	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
2017	M	M	M	M	M	M	M	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	83.77	76.60	64.62	59.97	47.10
2021	40.68	31.43	59.83	64.66	70.80	84.16	84.76	87.26	82.57	69.12	57.34	56.46
2022	40.46	44.16	56.71	65.35	74.74	84.58	89.92	76.10	80.96	68.46	50.42	41.75
2023	44.77	51.67	53.02	69.08	77.29	86.18	87.86	85.36	81.74	67.71	57.14	49.83
2024	35.48	57.39	61.73	68.54	76.48	84.63	85.17	85.65	81.02	75.90	57.20	46.98
2025	35.89	41.13	63.10	M	71.15	82.62	90.83	86.41	83.45	70.78	57.59	48.77
2026	40.03	55.46	66.98	72.30	74.95	83.26	88.58	89.40	93.36	M	M	M
NCEI Climatology	42.51	46.94	57.00	67.69	76.10	84.89	89.70	88.79	81.60	69.89	57.29	46.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	M	M	M	M	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	64.18	57.47	42.65	38.16	26.51
2021	28.28	15.65	39.14	43.98	53.80	65.03	67.42	68.12	60.31	50.65	35.38	34.10
2022	18.46	20.30	34.33	42.76	56.41	65.09	68.70	58.10	55.64	42.63	30.20	25.26
2023	27.94	28.85	33.34	41.60	53.48	60.20	65.62	65.74	57.32	46.86	34.58	33.74
2024	20.50	32.62	38.39	46.88	55.98	65.27	66.48	64.81	56.96	46.40	38.66	29.10
2025	17.95	21.84	35.60	M	53.15	63.68	73.00	63.58	59.34	51.98	37.54	26.95
2026	19.30	29.86	40.95	50.77	53.77	65.13	69.10	68.31	70.64	M	M	M
NCEI Climatology	21.90	25.23	33.89	43.70	55.10	64.90	69.41	67.29	58.50	46.29	35.60	26.70

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	M	M	M	M	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	73.98	67.04	53.63	49.07	36.81
2021	34.48	23.54	49.48	54.32	62.30	74.59	76.09	77.69	71.44	59.89	46.36	45.28
2022	29.46	32.23	45.52	54.05	65.58	74.84	79.31	67.10	68.30	55.55	40.31	33.51
2023	36.35	40.26	43.18	55.34	65.39	73.19	76.74	75.55	69.53	57.29	45.86	41.78
2024	27.99	45.00	50.06	57.71	66.23	74.95	75.82	75.23	68.99	61.15	47.93	38.04
2025	26.92	31.49	49.35	M	62.15	73.15	81.92	74.99	71.39	61.38	47.57	37.86
2026	29.66	42.66	53.96	61.53	64.36	74.20	78.84	78.86	82.00	M	M	M
NCEI Climatology	32.21	36.09	45.45	55.70	65.60	74.89	79.55	78.04	70.05	58.09	46.45	36.55

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
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	4.7%	2.8%	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	77.1%	77.0%	71.8%	66.5%	70.4%
2021	77.7%	71.8%	64.2%	65.4%	74.5%	74.7%	79.0%	75.2%	70.8%	78.2%	61.4%	67.0%
2022	64.3%	63.7%	64.5%	61.4%	73.5%	70.2%	70.9%	71.6%	67.7%	59.1%	69.3%	71.8%
2023	77.1%	64.2%	69.7%	54.1%	66.7%	63.1%	70.6%	79.2%	72.6%	69.8%	65.8%	75.9%
2024	79.6%	58.5%	62.3%	61.2%	75.6%	73.2%	75.4%	73.9%	68.7%	53.7%	73.9%	75.7%
2025	69.2%	69.2%	52.4%	M	73.5%	79.1%	76.7%	69.5%	68.9%	73.6%	71.2%	70.5%
2026	62.7%	58.3%	62.0%	69.9%	73.1%	77.9%	78.0%	71.1%	63.8%	M	M	M