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 (USC00243727) 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	0.22	0.32	0.20
2019	0.26	0.29	0.00	2.14	0.57	M	M	M	M	M	0.01	M
2020	M	M	M	M	2.84	3.48	1.16	1.31	0.55	0.04	0.39	0.15
2021	0.42	0.08	M	M	M	M	M	1.36	0.01	0.49	0.19	0.46
2022	0.01	M	M	M	M	M	M	M	0.86	1.77	0.29	0.05
2023	M	M	M	M	M	M	M	0.07	0.06	0.20	0.24	0.05
2024	0.07	0.17	0.15	0.36	3.22	1.79	0.97	0.57	3.26	0.07	0.03	0.02
2025	0.34	0.15	0.44	0.65	1.90	2.99	1.67	M	M	M	M	M
NCEI Climatology	0.68	0.53	0.87	1.85	3.39	3.22	1.70	1.67	1.46	1.25	0.71	0.55

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	12.1	8.4
2015	10.2	10.1	10.0	9.4	7.3	5.9	M	7.2	7.1	8.2	8.5	8.6
2016	8.1	11.1	10.5	9.7	9.7	9.0	8.4	8.5	8.4	8.9	8.1	9.9
2017	9.3	8.8	8.6	9.6	10.4	9.9	7.9	7.2	7.1	12.1	9.0	11.0
2018	8.6	8.1	7.0	8.6	8.0	8.1	7.0	7.0	6.8	8.4	8.9	8.6
2019	10.1	6.7	7.2	9.4	7.8	8.5	7.1	7.7	8.9	9.9	8.7	7.9
2020	10.2	10.1	9.7	10.2	9.1	8.9	7.8	7.3	8.8	9.2	10.6	9.1
2021	8.8	9.8	8.9	9.4	9.6	9.5	7.4	8.5	8.7	9.1	11.1	10.4
2022	10.9	12.6	11.4	13.2	10.2	9.6	7.8	7.2	8.2	8.7	11.8	9.6
2023	8.4	9.3	7.6	9.6	6.7	M	M	8.2	7.5	8.0	8.5	7.9
2024	8.3	9.2	7.6	11.9	11.6	9.4	7.6	8.2	8.8	7.9	8.1	9.4
2025	12.1	8.3	9.8	9.5	9.8	8.0	7.5	M	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	M	M	M	46.40	36.00	39.32
2015	41.17	39.71	53.66	54.08	58.07	70.29	M	78.94	71.78	60.39	42.44	36.82
2016	37.22	46.09	49.65	54.86	61.09	76.28	79.73	78.63	65.14	54.94	53.60	25.85
2017	28.40	37.59	46.92	52.58	64.40	73.34	87.74	79.67	67.58	55.17	42.74	30.84
2018	38.33	24.16	39.03	49.10	65.21	67.68	77.07	76.58	63.74	54.01	41.83	38.85
2019	40.36	14.64	36.18	50.84	54.99	69.14	75.72	77.17	65.18	48.43	40.04	40.71
2020	38.05	35.99	39.66	47.66	60.51	70.28	78.68	82.57	73.34	51.68	48.80	43.21
2021	39.90	22.16	48.62	51.26	58.94	80.18	87.80	78.05	74.12	58.48	52.70	32.35
2022	40.88	34.57	45.70	44.60	58.59	70.28	82.17	83.68	75.80	59.46	35.06	28.63
2023	37.05	36.76	31.65	49.28	68.72	M	M	80.70	71.54	53.25	49.34	47.45
2024	33.45	38.95	40.83	54.74	58.07	70.28	82.52	80.25	75.01	63.76	42.86	44.25
2025	31.54	23.90	48.14	53.42	64.28	70.10	77.65	M	M	M	M	M
NCEI Climatology	37.20	38.92	48.20	57.09	66.01	74.00	83.30	82.70	72.60	58.90	46.31	37.70

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	M	M	M	44.60	16.47	19.40
2015	18.12	19.08	28.63	30.02	37.92	50.98	M	50.00	43.22	35.89	21.26	18.47
2016	19.88	25.48	26.83	33.62	37.52	47.24	51.28	49.71	43.48	34.96	30.44	8.31
2017	10.54	15.86	25.73	30.26	37.86	45.44	56.45	49.77	42.86	30.84	22.76	15.45
2018	16.03	0.05	20.85	26.12	43.55	46.91	52.38	51.73	40.52	30.55	22.79	16.90
2019	19.23	-5.35	15.97	30.86	35.48	45.20	50.99	49.88	42.92	27.87	18.80	19.69
2020	19.07	15.86	19.98	24.74	37.92	46.10	49.48	51.16	42.50	28.23	23.60	21.61
2021	18.47	2.75	24.08	27.32	35.95	49.34	57.26	50.87	43.22	34.61	26.00	10.98
2022	16.55	10.91	21.66	23.96	36.99	44.72	53.19	53.72	46.40	35.77	15.14	7.96
2023	18.24	15.09	14.12	27.92	40.28	M	M	55.60	46.10	31.07	25.52	24.22
2024	9.82	21.26	19.81	31.46	35.43	44.42	53.72	51.16	46.79	34.79	22.04	24.16
2025	15.10	5.13	27.82	28.82	41.06	46.22	52.05	M	M	M	M	M
NCEI Climatology	14.20	15.78	23.00	30.70	39.51	47.40	52.89	51.91	43.51	33.41	22.69	15.20

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	M	M	M	45.50	26.23	29.36
2015	29.65	29.40	41.15	42.05	48.00	60.64	M	64.47	57.50	48.14	31.85	27.65
2016	28.55	35.79	38.24	44.24	49.30	61.76	65.50	64.17	54.31	44.95	42.02	17.08
2017	19.47	26.73	36.33	41.42	51.13	59.39	72.09	64.72	55.22	43.00	32.75	23.15
2018	27.18	12.10	29.94	37.61	54.38	57.30	64.72	64.16	52.13	42.28	32.31	27.88
2019	29.79	4.65	26.08	40.85	45.24	57.17	63.35	63.53	54.05	38.15	29.42	30.20
2020	28.56	25.93	29.82	36.20	49.22	58.19	64.08	66.87	57.92	39.95	36.20	32.41
2021	29.18	12.46	36.35	39.29	47.45	64.76	72.53	64.46	58.67	46.55	39.35	21.66
2022	28.72	22.74	33.68	34.28	47.79	57.50	67.68	68.70	61.10	47.62	25.10	18.30
2023	27.65	25.93	22.88	38.60	54.50	M	M	68.15	58.82	42.16	37.43	35.83
2024	21.64	30.11	30.32	43.10	46.75	57.35	68.12	65.71	60.90	49.27	32.45	34.21
2025	23.32	14.51	37.98	41.12	52.67	58.16	64.85	M	M	M	M	M
NCEI Climatology	25.70	27.35	35.60	43.90	52.76	60.70	68.10	67.31	58.05	46.15	34.50	26.45

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	M	M	M	M	59.0%	63.7%
2015	58.4%	65.2%	50.1%	54.0%	67.0%	72.6%	M	48.5%	50.5%	57.9%	57.9%	59.1%
2016	62.7%	54.7%	54.3%	62.4%	62.8%	50.8%	51.8%	46.8%	62.5%	66.4%	51.6%	58.4%
2017	55.4%	61.1%	60.2%	64.7%	57.1%	48.9%	34.1%	39.9%	50.3%	50.6%	59.5%	56.8%
2018	60.5%	63.5%	68.9%	64.4%	67.7%	66.6%	55.9%	49.5%	66.0%	61.4%	65.8%	53.7%
2019	57.3%	65.4%	58.6%	63.0%	69.7%	62.7%	59.6%	55.1%	64.0%	61.7%	67.2%	58.4%
2020	62.1%	62.9%	62.1%	58.5%	63.5%	60.7%	50.9%	41.6%	43.6%	58.2%	48.3%	55.3%
2021	60.4%	60.5%	52.2%	57.9%	60.4%	43.4%	37.3%	49.1%	39.2%	51.5%	46.1%	62.5%
2022	52.4%	54.5%	54.3%	57.1%	57.0%	58.9%	53.1%	45.3%	44.0%	57.9%	60.4%	61.0%
2023	61.8%	55.6%	69.5%	58.3%	48.0%	M	M	47.6%	54.1%	63.6%	53.9%	53.0%
2024	58.1%	63.3%	66.4%	52.9%	60.6%	55.3%	46.9%	48.7%	49.0%	45.7%	63.0%	56.0%
2025	64.1%	60.5%	57.7%	58.5%	65.9%	59.0%	57.1%	M	M	M	M	M