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 (USC00487388) 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
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	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	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
NCEI Climatology	0.18	0.19	0.26	0.57	1.22	1.33	0.77	0.42	0.76	0.70	0.21	0.10

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	9.2	7.6	10.2	10.3	12.9	12.0
2015	11.7	12.4	9.9	11.1	11.2	9.5	9.3	9.9	9.3	9.6	11.5	11.9
2016	11.1	11.9	12.8	13.0	11.5	10.3	10.0	9.6	10.8	11.7	11.3	12.9
2017	12.1	12.5	12.5	12.3	10.4	9.6	8.4	7.8	9.4	12.5	11.2	11.7
2018	11.4	13.4	10.6	12.0	9.2	9.2	9.1	9.1	9.7	9.8	11.0	11.4
2019	11.6	12.2	10.7	11.9	11.1	9.2	10.1	9.3	10.1	13.3	13.0	11.5
2020	11.7	13.2	11.6	11.9	11.2	9.5	10.3	8.8	10.5	12.3	11.9	11.5
2021	12.3	11.7	11.5	12.7	11.1	10.7	9.2	10.6	10.7	11.7	12.9	14.0
2022	13.1	13.3	13.0	14.2	12.1	10.0	9.3	8.1	9.0	9.6	12.6	13.0
2023	10.6	14.0	11.7	11.3	9.7	9.0	8.5	9.6	9.0	10.3	10.7	10.6
2024	11.4	12.3	11.5	11.5	10.9	10.5	8.0	9.0	9.2	10.3	10.7	10.2
2025	12.5	12.0	12.3	12.2	10.8	10.0	10.1	8.7	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
2014	M	M	M	M	M	M	84.99	78.16	70.10	62.77	35.54	31.30
2015	33.45	39.91	53.37	55.52	59.12	79.76	82.23	81.59	76.64	60.51	37.76	31.42
2016	32.17	45.53	48.72	56.18	62.77	83.18	85.36	81.65	67.88	57.08	48.32	23.06
2017	22.13	36.05	49.71	53.48	64.69	76.46	89.14	81.06	66.74	54.70	41.84	30.14
2018	32.64	25.06	43.38	51.86	66.61	72.97	84.84	79.55	68.12	54.53	39.20	32.35
2019	32.00	20.11	38.85	53.06	56.04	72.80	82.05	82.28	67.88	44.83	37.76	35.43
2020	37.81	30.14	43.55	51.92	64.17	74.66	84.43	85.30	73.82	51.51	44.66	37.17
2021	36.70	22.61	46.86	52.28	62.72	84.26	89.48	79.96	75.38	56.62	49.64	38.10
2022	32.60	33.09	47.56	48.32	60.05	74.18	88.09	85.71	75.92	58.77	31.88	26.72
2023	29.27	30.46	35.66	51.80	70.26	70.10	83.50	82.28	73.28	52.67	45.32	38.15
2024	27.76	39.08	44.31	56.12	60.74	78.38	86.29	82.75	78.08	64.23	42.14	41.00
2025	28.23	23.71	49.36	54.20	67.13	76.70	85.07	84.20	M	M	M	M
NCEI Climatology	31.50	36.09	48.28	56.90	65.90	76.00	85.19	83.69	73.01	57.61	43.10	32.60

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	57.06	54.30	45.86	38.79	17.12	18.70
2015	16.55	21.14	30.55	32.54	40.19	53.66	55.63	54.41	49.52	40.42	22.34	17.43
2016	19.46	25.73	28.11	35.84	40.59	52.34	55.63	53.54	45.62	37.92	31.76	7.38
2017	7.67	19.72	30.14	33.26	40.59	49.40	60.28	54.88	45.98	33.28	25.82	14.06
2018	16.90	4.87	25.79	29.36	44.08	48.51	56.39	53.54	43.11	32.87	22.64	17.37
2019	17.19	0.37	18.94	33.32	37.34	47.54	54.65	54.24	46.34	25.44	22.52	20.15
2020	19.98	14.50	25.03	28.58	40.71	49.64	55.63	57.03	46.28	30.90	25.88	21.26
2021	21.03	6.41	26.83	30.08	38.68	54.20	59.99	53.48	48.14	36.99	29.84	16.26
2022	15.32	11.88	23.41	25.70	38.50	48.14	57.26	58.59	50.90	38.10	15.62	11.04
2023	16.15	13.36	18.12	29.96	45.18	49.58	55.86	56.39	48.08	33.74	28.34	24.05
2024	11.39	22.44	24.57	33.50	37.69	47.96	57.78	54.99	50.90	40.13	25.10	26.14
2025	12.61	6.22	28.86	30.98	41.87	48.80	55.69	56.94	M	M	M	M
NCEI Climatology	6.09	10.25	19.59	28.40	39.60	47.11	52.40	49.70	40.79	29.19	17.00	8.20

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	71.02	66.23	57.98	50.78	26.33	25.00
2015	25.00	30.52	41.96	44.03	49.65	66.71	68.93	68.00	63.08	50.46	30.05	24.42
2016	25.82	35.63	38.42	46.01	51.68	67.76	70.50	67.59	56.75	47.50	40.04	15.22
2017	14.90	27.89	39.93	43.37	52.64	62.93	74.71	67.97	56.36	43.99	33.83	22.10
2018	24.77	14.96	34.58	40.61	55.34	60.74	70.61	66.55	55.62	43.70	30.92	24.86
2019	24.60	10.24	28.89	43.19	46.69	60.17	68.35	68.26	57.11	35.14	30.14	27.79
2020	28.89	22.32	34.29	40.25	52.44	62.15	70.03	71.16	60.05	41.20	35.27	29.21
2021	28.86	14.51	36.85	41.18	50.70	69.23	74.74	66.72	61.76	46.81	39.74	27.18
2022	23.96	22.49	35.48	37.01	49.27	61.16	72.67	72.15	63.41	48.43	23.75	18.88
2023	22.71	21.91	26.89	40.88	57.72	59.84	69.68	69.34	60.68	43.21	36.83	31.10
2024	19.57	30.76	34.44	44.81	49.22	63.17	72.04	68.87	64.49	52.18	33.62	33.57
2025	20.42	14.96	39.11	42.59	54.50	62.75	70.38	70.57	M	M	M	M
NCEI Climatology	18.80	23.17	33.94	42.65	52.75	61.55	68.80	66.70	56.90	43.40	30.05	20.40

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
2014	M	M	M	M	M	M	37.1%	50.6%	50.9%	44.2%	60.4%	74.0%
2015	72.2%	64.5%	46.8%	52.4%	67.8%	49.6%	39.1%	36.8%	34.0%	54.8%	63.9%	66.7%
2016	66.9%	44.4%	48.5%	58.4%	54.4%	33.6%	33.0%	32.8%	53.8%	59.1%	55.4%	66.6%
2017	68.7%	65.1%	59.4%	60.5%	49.7%	39.0%	30.1%	32.9%	51.6%	45.4%	64.0%	64.0%
2018	65.9%	68.8%	59.8%	57.9%	58.6%	53.5%	36.4%	39.8%	49.5%	56.3%	65.9%	61.1%
2019	65.0%	66.0%	59.3%	57.0%	65.8%	49.1%	44.6%	39.1%	53.8%	58.5%	68.0%	60.2%
2020	49.0%	66.6%	59.7%	47.7%	50.9%	43.8%	31.9%	29.8%	32.3%	51.9%	45.5%	53.3%
2021	56.0%	63.0%	50.7%	51.2%	50.4%	28.2%	29.6%	38.9%	30.5%	52.9%	45.5%	56.9%
2022	59.6%	53.9%	46.8%	52.2%	50.9%	44.1%	33.9%	33.8%	38.7%	47.6%	62.0%	61.5%
2023	66.6%	57.2%	63.4%	48.1%	46.7%	62.7%	38.6%	37.0%	43.5%	59.8%	50.0%	54.3%
2024	60.0%	60.8%	56.8%	47.5%	50.8%	38.4%	29.3%	36.6%	31.0%	39.3%	52.2%	48.1%
2025	62.1%	61.4%	52.5%	51.0%	50.5%	43.3%	39.3%	31.1%	M	M	M	M