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 (USC00361726) within the current 1991-2020 dataset.

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Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	M	2.72	2.03	4.21	0.90	2.02	4.48	2.75	1.65	1.20	2.76
2022	2.98	3.41	1.55	2.40	1.82	2.61	3.91	3.11	2.50	1.95	1.85	1.06
2023	2.39	1.87	0.80	1.73	1.59	3.33	3.52	0.88	1.68	3.87	1.41	2.23
2024	4.11	2.12	2.67	6.91	M	2.37	2.44	2.00	1.31	0.72	4.64	2.71
2025	0.68	3.70	1.59	5.06	6.23	4.57	3.58	0.53	2.39	3.24	2.33	1.80
2026	0.92	0.77	4.61	4.77	5.07	3.65	2.24	6.13	2.11	M	M	M
NCEI Climatology	3.21	3.14	3.60	4.22	4.72	4.93	4.73	4.44	3.92	3.44	3.29	3.34

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	8.0	7.7	7.2	4.9	3.9	4.1	3.7	5.6	5.5	6.6	7.0
2022	7.6	7.9	8.8	7.6	6.2	5.1	4.9	4.2	4.8	5.8	7.0	6.7
2023	7.5	8.4	8.3	7.0	5.9	5.4	4.5	4.7	4.3	5.0	6.7	6.4
2024	7.9	7.1	7.9	7.5	3.5	5.3	5.5	4.8	5.9	4.8	6.9	8.1
2025	8.4	8.2	8.5	7.6	6.6	4.6	4.1	5.1	4.6	5.9	7.6	8.2
2026	8.7	7.0	8.2	7.9	6.2	5.8	4.9	4.7	4.9	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
2021	M	42.54	58.06	62.24	69.16	79.08	81.80	83.11	74.90	68.25	50.00	52.39
2022	34.36	44.68	54.62	56.94	77.02	79.74	82.22	81.35	73.38	62.04	54.90	46.70
2023	42.76	52.35	58.21	65.66	70.50	76.87	82.65	79.06	74.15	64.63	53.71	48.40
2024	38.82	49.43	56.60	62.97	70.50	81.30	86.42	83.03	78.19	68.62	55.62	43.74
2025	30.29	42.13	59.86	64.78	68.92	82.45	85.02	81.84	78.22	64.13	51.40	41.32
2026	34.09	40.84	63.40	70.66	69.65	79.64	83.96	80.55	81.96	M	M	M
NCEI Climatology	38.40	41.82	50.80	63.90	73.00	80.21	83.99	83.30	76.71	65.50	53.10	42.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	28.86	34.82	41.73	48.72	63.32	63.40	65.24	57.70	52.24	32.60	34.45
2022	17.69	25.59	33.80	38.99	55.19	58.62	64.97	63.40	56.05	40.68	37.31	32.04
2023	30.68	31.03	38.27	42.68	48.15	55.26	64.23	61.98	57.02	46.17	33.16	35.62
2024	26.65	30.07	37.15	45.58	52.30	61.36	64.84	62.25	58.89	43.33	38.36	30.51
2025	17.07	24.15	35.21	44.27	51.96	62.88	67.88	61.44	56.27	44.73	34.12	23.96
2026	17.07	22.75	42.48	48.69	49.49	59.53	65.51	64.21	64.87	M	M	M
NCEI Climatology	20.61	21.39	28.00	37.51	49.10	57.59	62.00	60.80	54.10	42.49	32.10	26.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	M	35.70	46.44	51.99	58.94	71.20	72.60	74.17	66.30	60.24	41.30	43.42
2022	26.03	35.14	44.21	47.96	66.10	69.18	73.59	72.37	64.72	51.36	46.11	39.37
2023	36.72	41.69	48.24	54.17	59.33	66.07	73.44	70.52	65.59	55.40	43.43	42.01
2024	32.73	39.75	46.87	54.27	61.40	71.33	75.63	72.64	68.54	55.97	46.99	37.12
2025	23.68	33.14	47.54	54.53	60.44	72.66	76.45	71.64	67.25	54.43	42.76	32.64
2026	25.58	31.80	52.94	59.68	59.57	69.59	74.74	72.38	73.42	M	M	M
NCEI Climatology	29.50	31.61	39.40	50.71	61.05	68.90	72.99	72.05	65.40	54.00	42.60	34.55

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
2021	M	71.1%	52.0%	61.5%	67.2%	77.2%	76.6%	80.3%	78.4%	79.2%	64.6%	67.6%
2022	69.8%	64.4%	60.7%	67.6%	65.7%	68.4%	75.9%	78.3%	80.0%	68.9%	65.2%	69.4%
2023	77.4%	60.7%	64.5%	56.6%	62.6%	68.4%	77.6%	79.3%	79.3%	76.2%	64.0%	69.5%
2024	75.2%	63.8%	61.9%	64.9%	48.1%	69.3%	66.6%	70.8%	67.3%	65.9%	72.4%	71.2%
2025	70.6%	67.4%	54.5%	63.5%	75.3%	76.1%	78.0%	66.3%	68.5%	68.7%	67.8%	72.6%
2026	67.5%	67.7%	61.4%	61.6%	68.9%	71.4%	76.6%	80.3%	78.9%	M	M	M