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 (USC00260507) 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	0.32	0.47	1.46	0.56	1.53	0.34	0.21	0.39	0.59	M	0.25	0.49
2020	0.20	M	0.57	0.08	1.51	0.12	0.04	0.14	0.08	M	0.10	0.10
2021	0.04	0.22	0.24	0.43	0.52	0.04	0.67	M	0.07	1.10	M	0.64
2022	M	0.08	0.35	0.32	0.23	0.03	0.12	1.22	1.06	0.05	0.59	1.47
2023	0.49	0.03	0.78	0.07	2.16	0.87	0.25	1.15	0.95	0.43	0.33	0.02
2024	0.65	0.28	0.24	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	1.22	1.19	1.46	1.64	1.86	0.61	0.58	0.40	0.64	0.53	1.11	1.14

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	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	3.3	6.8	4.2	6.1	5.6	5.4	4.7	4.3	4.9	4.5	3.4	2.7
2020	4.7	5.1	5.9	6.1	6.2	7.0	5.3	4.5	4.5	3.6	4.5	3.5
2021	4.6	5.5	4.7	5.6	6.7	6.4	5.3	4.7	4.7	4.4	3.3	5.3
2022	3.3	3.9	4.5	7.2	7.5	6.5	5.5	4.7	4.3	3.8	4.4	4.2
2023	4.6	5.8	6.5	6.1	5.7	5.2	4.7	4.7	4.4	3.3	3.0	3.2
2024	4.5	5.1	6.8	6.0	6.5	5.8	5.1	5.2	4.5	3.8	4.1	4.3
2025	3.9	7.2	6.1	5.6	6.3	5.8	5.4	4.7	4.2	4.2	3.5	5.1
2026	2.3	5.0	5.1	6.0	5.3	5.9	5.2	5.0	5.6	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	45.67	38.93	48.33	61.56	61.93	79.17	88.85	89.69	75.95	62.31	55.17	38.69
2020	44.73	49.94	51.33	62.26	73.46	80.16	91.57	89.85	82.49	71.72	53.80	43.68
2021	43.91	44.15	49.07	62.07	69.23	87.46	90.85	87.43	81.63	61.53	58.76	40.49
2022	42.76	45.41	52.87	60.37	67.00	81.86	85.84	76.55	69.26	67.15	42.53	36.69
2023	34.65	37.31	40.74	58.77	67.86	71.55	90.98	84.08	74.91	64.43	51.20	46.99
2024	41.85	45.38	49.52	59.79	68.15	84.96	91.43	86.98	78.87	69.68	47.68	49.67
2025	43.02	50.89	51.55	60.79	72.40	84.10	89.30	87.18	78.04	63.54	58.90	53.55
2026	46.19	52.45	66.68	60.43	70.82	84.16	91.41	88.96	81.65	M	M	M
NCEI Climatology	42.21	43.99	50.30	55.51	65.10	76.21	85.91	83.80	75.01	62.10	49.30	40.49

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	26.76	17.92	24.87	31.18	31.48	36.90	42.35	39.54	33.72	9.63	13.32	17.99
2020	20.42	12.70	21.03	23.53	31.93	37.03	39.93	42.01	31.26	17.63	11.62	5.64
2021	11.73	18.70	16.88	20.80	31.84	40.98	49.65	38.94	30.09	25.82	16.19	8.42
2022	12.99	11.48	20.63	21.15	27.84	35.93	45.13	47.94	38.24	20.24	12.42	11.38
2023	15.51	6.71	18.57	24.58	33.36	38.17	43.74	43.07	36.13	25.44	14.36	15.95
2024	15.73	23.25	22.28	25.63	27.60	40.71	44.44	39.59	33.30	24.26	12.15	14.12
2025	6.36	14.13	21.59	21.55	32.29	35.35	38.97	38.99	36.18	27.51	19.02	17.89
2026	14.61	19.69	23.64	22.58	30.23	36.61	45.55	43.38	32.08	M	M	M
NCEI Climatology	26.20	26.17	31.00	34.39	42.70	50.60	59.30	57.70	50.21	39.90	30.70	24.70

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	36.22	28.43	36.60	46.37	46.70	58.04	65.60	64.62	54.84	35.97	34.24	28.34
2020	32.57	31.32	36.18	42.90	52.69	58.60	65.75	65.93	56.87	44.67	32.71	24.66
2021	27.82	31.43	32.97	41.43	50.54	64.22	70.25	63.19	55.86	43.68	37.48	24.46
2022	27.88	28.44	36.75	40.76	47.42	58.89	65.48	62.25	53.75	43.70	27.48	24.03
2023	25.08	22.01	29.66	41.67	50.61	54.86	67.36	63.57	55.52	44.93	32.78	31.47
2024	28.79	34.32	35.90	42.71	47.87	62.83	67.93	63.28	56.09	46.97	29.92	31.90
2025	24.69	32.51	36.57	41.17	52.34	59.72	64.14	63.09	57.11	45.53	38.96	35.72
2026	30.40	36.07	45.16	41.50	50.52	60.38	68.48	66.17	56.86	M	M	M
NCEI Climatology	34.21	35.08	40.65	44.95	53.90	63.40	72.61	70.75	62.61	51.00	40.00	32.60

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	75.8%	68.6%	69.5%	57.8%	57.1%	41.0%	32.4%	31.3%	44.2%	30.0%	49.1%	80.2%
2020	70.0%	53.6%	60.3%	43.6%	34.5%	30.9%	21.7%	27.5%	30.0%	31.1%	55.0%	64.6%
2021	69.5%	70.0%	62.1%	44.3%	43.1%	28.9%	42.2%	31.3%	30.3%	60.5%	57.9%	72.0%
2022	74.1%	67.7%	63.1%	44.1%	42.8%	29.8%	36.0%	60.6%	55.7%	42.6%	73.3%	81.5%
2023	86.6%	72.7%	72.0%	51.8%	56.9%	55.5%	35.8%	48.3%	53.9%	60.4%	63.5%	71.8%
2024	79.0%	73.2%	64.7%	59.8%	42.3%	37.6%	35.1%	31.7%	45.7%	50.5%	65.0%	64.5%
2025	64.6%	52.4%	63.5%	47.7%	41.2%	27.0%	25.7%	36.6%	49.8%	65.5%	61.2%	61.3%
2026	76.8%	66.3%	47.7%	50.7%	44.1%	29.3%	35.3%	38.9%	33.0%	M	M	M