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 (USC00357391) 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
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
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	M	M	M	M	M	M	0.00
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	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	4.36	3.14	2.98	2.13	1.42	0.70	0.52	0.40	0.58	2.33	3.92	5.08

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	M	M	4.2	2.7	2.8	2.5	2.9	2.9	2.7	2.0	1.9	2.3
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	4.7	2.1	1.7	1.9
2015	1.4	2.0	2.2	2.6	2.8	2.5	2.9	2.9	2.5	2.2	2.0	2.8
2016	2.0	2.0	2.7	2.9	2.6	2.7	2.9	2.9	2.7	2.2	2.3	1.7
2017	2.0	2.8	2.4	2.9	2.8	2.8	3.1	2.7	2.4	2.2	2.0	1.8
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	2.3	2.7	2.7	2.8	2.9	3.2	3.1	2.5	1.9	2.5	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
2012	M	M	41.70	56.66	70.22	71.94	84.44	90.14	85.03	67.34	51.66	45.86
2013	24.60	M	M	M	M	M	M	M	M	M	M	26.40
2014	M	M	59.00	M	71.25	M	73.50	M	M	69.12	53.90	49.94
2015	51.15	56.34	62.84	62.85	70.30	83.84	87.42	86.61	79.63	72.97	49.46	45.60
2016	48.25	54.55	56.56	67.35	71.46	80.34	84.90	91.19	79.28	61.03	55.65	40.19
2017	43.12	50.17	54.85	58.87	73.13	80.11	90.64	90.15	77.29	67.20	51.12	45.15
2018	49.72	49.09	55.12	61.13	72.86	79.26	91.77	87.58	79.85	68.05	55.39	45.64
2019	49.92	41.86	55.96	63.34	71.35	80.23	84.99	86.54	74.40	62.58	53.72	46.14
2020	45.54	50.54	54.76	66.07	71.10	75.27	88.20	83.55	83.99	72.37	50.09	43.88
2021	46.42	46.68	55.81	67.75	72.65	84.25	92.49	84.54	77.62	62.00	50.86	40.21
2022	50.96	54.08	58.26	56.23	64.76	76.27	89.46	91.12	83.26	73.75	48.51	42.22
2023	46.90	46.97	46.92	59.59	72.77	78.93	90.01	77.10	77.26	67.97	54.87	51.09
2024	51.02	52.68	56.13	62.36	73.52	80.47	93.97	47.69	0.47	70.22	49.34	48.04
2025	46.96	47.61	54.33	65.46	72.55	83.03	91.54	91.55	83.62	61.72	53.38	M
NCEI Climatology	50.31	55.50	60.40	65.41	74.90	82.39	92.00	91.40	84.80	72.10	56.19	48.60

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	M	M	41.16	41.22	42.41	46.75	54.50	54.12	47.96	43.22	38.26	38.51
2013	24.60	M	M	M	M	M	M	M	M	M	M	26.40
2014	M	M	59.00	M	59.90	M	73.50	M	M	45.08	36.87	36.86
2015	32.82	34.51	37.09	36.28	45.70	55.42	60.48	56.54	47.68	44.69	32.76	34.73
2016	32.30	35.06	36.18	40.58	44.70	50.34	54.08	54.05	46.09	42.07	38.98	29.72
2017	27.63	34.82	37.68	36.73	43.14	50.15	57.62	57.12	50.11	37.85	36.49	30.72
2018	34.33	29.33	32.66	38.13	46.74	47.73	56.28	55.01	45.91	40.58	34.27	30.55
2019	32.10	29.82	32.24	41.69	43.89	48.98	54.70	57.03	49.51	35.37	34.40	32.75
2020	31.61	29.47	30.81	32.26	33.26	34.50	34.25	34.39	33.88	32.12	29.68	30.89
2021	30.81	29.93	30.05	31.72	33.06	34.21	34.73	34.29	33.40	32.59	31.42	31.33
2022	28.53	27.34	30.97	31.34	39.87	47.95	57.77	57.87	50.96	42.26	30.55	29.79
2023	29.50	27.38	29.75	36.25	46.88	46.74	57.76	40.03	50.59	43.69	36.22	36.84
2024	38.86	35.38	33.36	40.70	41.69	58.33	61.08	12.74	-21.63	40.90	33.20	32.98
2025	28.24	29.99	31.11	37.95	43.65	50.83	59.27	57.15	52.57	40.18	44.83	M
NCEI Climatology	30.09	30.62	32.90	36.30	42.20	47.11	52.01	50.70	44.91	38.00	33.10	30.09

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	M	M	41.43	48.94	56.32	59.35	69.47	72.13	66.49	55.28	44.96	42.19
2013	24.60	M	M	M	M	M	M	M	M	M	M	26.40
2014	M	M	59.00	M	65.57	M	73.50	M	M	57.10	45.38	43.40
2015	41.98	45.42	49.96	49.56	58.00	69.63	73.95	71.58	63.65	58.83	41.11	40.16
2016	40.27	44.80	46.37	53.96	58.08	65.34	69.49	72.62	62.68	51.55	47.31	34.96
2017	35.38	42.49	46.26	47.80	58.13	65.13	74.13	73.64	63.70	52.52	43.80	37.93
2018	42.02	39.21	43.89	49.63	59.80	63.49	74.02	71.29	62.88	54.31	44.83	38.10
2019	41.01	35.84	44.10	52.52	57.62	64.60	69.84	71.78	61.95	48.98	44.06	39.45
2020	38.57	40.00	42.79	49.16	52.18	54.89	61.22	58.97	58.94	52.25	39.88	37.38
2021	38.61	38.31	42.93	49.73	52.85	59.23	63.61	59.42	55.51	47.30	41.14	35.77
2022	39.74	40.71	44.62	43.78	52.32	62.11	73.61	74.50	67.11	58.01	39.53	36.00
2023	38.20	37.17	38.33	47.92	59.83	62.84	73.88	58.56	63.93	55.83	45.54	43.97
2024	44.94	44.03	44.75	51.53	57.61	69.40	77.53	30.22	-10.58	55.56	41.27	40.51
2025	37.60	38.80	42.72	51.70	58.10	66.93	75.41	74.35	68.10	50.95	49.10	M
NCEI Climatology	40.20	43.06	46.65	50.86	58.55	64.75	72.00	71.05	64.85	55.05	44.65	39.35

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
2012	M	M	72.9%	75.3%	67.5%	79.0%	63.0%	48.3%	46.5%	72.5%	89.6%	100.0%
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	86.2%	M	M
2015	M	M	M	M	91.6%	M	79.3%	90.6%	78.2%	M	M	100.0%
2016	M	M	M	M	M	M	M	61.0%	79.3%	75.8%	M	M
2017	M	M	M	M	M	100.0%	79.3%	81.3%	69.1%	90.7%	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	76.1%	76.1%	66.1%	59.4%	51.4%	44.4%	44.6%	58.8%	79.5%	77.8%	M