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 (USC00421918) 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
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	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	1.92	1.56	1.51	1.83	2.23	1.12	0.54	0.70	1.19	1.56	1.23	1.57

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	5.6	6.3	6.1	4.9	4.5	4.6	4.9	4.5	3.4
2021	4.0	5.4	5.5	6.0	6.8	6.6	5.3	5.3	5.2	4.9	3.5	4.6
2022	3.3	4.3	6.0	6.4	6.7	5.7	6.0	4.4	4.6	3.8	5.5	4.2
2023	4.9	4.5	5.0	4.9	5.7	5.3	5.1	5.0	4.9	4.3	3.5	2.7
2024	3.5	4.3	5.8	6.0	6.2	5.4	5.3	6.2	5.2	5.1	4.1	3.3
2025	4.4	4.2	5.1	5.5	5.7	5.7	6.1	5.0	4.5	4.3	3.3	5.0
2026	2.8	4.0	5.1	5.3	6.0	5.9	5.3	5.4	6.4	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
2020	M	M	M	62.94	69.75	76.55	89.44	92.78	80.69	65.34	47.31	36.53
2021	34.10	38.07	50.56	59.78	70.01	90.21	95.02	84.42	79.05	59.34	50.22	38.08
2022	29.12	34.55	50.51	55.34	65.33	81.50	95.20	88.85	83.22	66.93	40.19	32.87
2023	30.84	30.22	39.96	54.45	72.67	77.78	93.98	85.83	77.11	62.65	49.11	39.51
2024	35.51	43.00	50.22	59.10	66.56	86.20	93.65	90.09	82.41	70.64	45.46	41.18
2025	36.28	39.70	51.96	62.12	73.86	87.32	94.45	90.74	81.96	62.04	54.97	47.53
2026	41.75	50.74	62.32	61.65	74.56	84.07	97.56	93.18	85.30	M	M	M
NCEI Climatology	31.70	37.41	49.99	58.99	68.80	79.31	89.40	88.00	77.30	62.40	46.60	33.21

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	33.98	42.31	46.26	51.78	54.63	40.29	31.58	23.10	12.80
2021	14.58	23.24	24.10	29.98	40.46	57.80	60.48	53.58	42.36	36.43	28.76	19.99
2022	10.22	13.48	28.02	29.08	38.43	46.77	57.85	57.19	47.98	32.79	21.72	18.26
2023	17.94	10.57	23.99	29.31	43.14	48.20	55.30	57.41	46.74	35.09	24.50	20.33
2024	17.55	26.00	27.20	34.34	35.62	49.92	55.43	53.03	45.97	35.66	22.98	22.20
2025	14.63	20.82	28.78	31.58	40.25	47.22	54.79	53.47	47.55	34.89	29.52	28.33
2026	20.86	24.60	32.53	29.91	38.54	45.11	58.76	55.36	48.88	M	M	M
NCEI Climatology	16.70	20.85	29.90	35.81	44.50	51.99	59.71	58.10	48.50	37.40	27.59	18.00

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	M	M	M	48.46	56.03	61.41	70.61	73.71	60.49	48.46	35.20	24.66
2021	24.34	30.66	37.33	44.88	55.23	74.01	77.75	69.00	60.71	47.89	39.49	29.03
2022	19.67	24.01	39.27	42.21	51.88	64.14	76.53	73.02	65.60	49.86	30.95	25.57
2023	24.39	20.40	31.98	41.88	57.90	62.99	74.64	71.62	61.92	48.87	36.81	29.92
2024	26.53	34.50	38.71	46.72	51.09	68.06	74.54	71.56	64.19	53.15	34.22	31.69
2025	25.46	30.26	40.37	46.85	57.05	67.27	74.62	72.11	64.75	48.46	42.24	37.93
2026	31.30	37.67	47.42	45.78	56.55	64.59	78.16	74.27	67.09	M	M	M
NCEI Climatology	24.20	29.13	39.95	47.40	56.65	65.65	74.55	73.05	62.90	49.90	37.10	25.60

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
2020	M	M	M	54.8%	50.4%	54.9%	43.6%	34.9%	43.1%	44.5%	65.9%	76.6%
2021	80.3%	71.7%	61.4%	51.8%	47.3%	30.4%	38.5%	46.5%	45.9%	70.0%	75.8%	74.1%
2022	82.4%	73.8%	63.8%	54.9%	53.7%	46.9%	32.5%	51.3%	43.0%	53.1%	70.9%	83.2%
2023	87.1%	82.2%	77.2%	65.4%	55.9%	56.2%	37.8%	53.0%	56.7%	66.9%	75.6%	86.3%
2024	85.1%	80.5%	69.7%	62.3%	53.5%	41.4%	35.6%	39.9%	41.7%	48.9%	71.2%	82.1%
2025	72.0%	75.7%	69.8%	52.4%	50.9%	34.2%	28.6%	37.3%	48.0%	70.1%	73.5%	71.5%
2026	79.7%	71.0%	56.5%	58.4%	41.4%	36.5%	36.0%	38.4%	35.1%	M	M	M