IEM :: Monthly Summaries

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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 (USC00264039) 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
2010	M	M	M	M	M	M	M	M	M	M	M	1.96
2011	0.17	0.31	1.51	2.68	2.60	1.02	0.54	3.93	0.18	0.76	0.78	0.06
2012	1.31	0.55	0.57	0.93	0.68	0.04	0.44	0.81	0.08	0.24	0.71	1.30
2013	0.20	0.09	0.46	0.50	0.47	0.24	0.11	0.20	1.95	0.52	0.14	0.08
2014	0.33	0.55	1.04	0.29	0.88	0.32	0.12	2.11	0.72	0.39	0.77	0.96
2015	0.40	0.47	0.10	1.26	3.89	1.10	1.74	0.37	0.33	1.14	0.44	0.38
2016	0.38	0.06	0.78	2.54	1.43	0.16	0.25	0.04	1.46	2.53	0.43	1.46
2017	1.05	0.60	0.72	1.45	0.76	0.92	0.28	0.09	0.92	0.37	1.49	0.17
2018	0.51	0.28	0.75	0.38	3.60	0.28	0.02	0.00	0.00	0.88	0.58	0.49
2019	0.45	0.71	0.78	2.29	3.43	0.67	0.15	0.67	0.83	0.18	0.09	0.80
2020	0.47	0.00	0.42	0.72	3.02	1.18	0.20	0.00	0.02	0.20	0.44	0.32
2021	0.39	0.24	0.38	0.20	0.58	0.03	1.08	0.14	0.26	2.39	0.44	0.31
2022	0.32	0.32	0.38	1.04	1.40	0.69	0.00	1.26	1.59	0.66	0.76	1.07
2023	0.27	0.09	0.63	0.51	2.19	1.93	0.12	1.17	1.21	1.01	0.96	0.33
2024	0.66	0.72	0.67	0.85	0.48	0.53	0.40	0.09	0.72	0.51	0.77	1.31
2025	0.12	1.22	1.18	1.12	0.96	0.01	0.23	0.49	0.90	1.53	0.28	1.59
2026	0.13	0.78	0.24	0.68	0.06	0.31	0.43	0.22	0.00	M	M	M
NCEI Climatology	1.43	1.14	1.87	2.51	2.30	1.40	0.55	0.34	0.92	1.13	1.49	1.29

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
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	M
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
2026	M	M	M	M	M	M	M	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
2010	M	M	M	M	M	M	M	M	M	M	M	17.00
2011	43.39	41.25	47.58	51.27	60.97	72.93	88.06	90.29	82.53	66.19	49.67	44.39
2012	46.68	43.45	52.97	63.93	70.03	82.53	92.23	92.06	82.77	65.55	55.07	45.73
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	78.15	78.73	69.29	51.43	43.58
2015	47.55	52.25	59.90	59.43	65.52	83.83	83.48	88.06	78.90	65.52	40.67	35.65
2016	37.77	47.14	49.22	59.13	62.03	80.17	86.65	85.74	71.27	61.00	55.87	39.32
2017	35.77	43.89	54.39	55.33	67.52	80.07	91.74	88.42	75.47	62.74	53.70	45.68
2018	48.03	41.54	47.61	61.37	68.26	78.53	91.90	88.19	79.80	61.87	49.77	39.03
2019	43.94	37.36	47.71	58.70	62.94	75.40	88.29	89.52	74.87	58.52	55.27	40.52
2020	41.71	44.97	50.74	59.77	69.13	76.27	88.68	90.45	83.07	69.23	51.43	44.55
2021	42.87	41.61	50.48	61.27	69.16	88.73	93.32	86.48	81.30	61.97	56.90	42.55
2022	43.13	43.79	53.06	55.73	62.84	79.40	92.45	91.16	83.93	66.94	44.13	40.84
2023	37.32	41.71	39.03	55.17	68.61	71.13	91.94	86.84	76.43	64.87	49.33	43.65
2024	39.61	41.07	45.13	56.90	62.35	81.00	91.00	86.19	78.23	67.32	44.60	45.81
2025	38.43	41.75	48.77	57.83	67.94	80.07	87.87	84.81	78.40	58.42	55.23	48.84
2026	45.77	48.93	60.48	56.73	71.45	78.70	91.45	88.74	74.40	M	M	M
NCEI Climatology	37.60	37.69	44.21	51.10	61.30	71.39	82.41	81.19	71.39	57.60	43.30	35.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	4.00
2011	19.26	18.50	25.48	25.20	31.94	39.00	47.23	49.81	42.67	32.97	19.47	14.29
2012	17.74	17.00	26.29	30.27	32.94	38.57	53.94	50.52	42.60	29.19	27.70	27.55
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	46.15	41.67	34.84	21.10	22.97
2015	21.39	25.75	26.68	26.47	38.45	47.80	50.35	51.61	43.50	41.16	20.87	19.65
2016	22.00	27.31	30.33	34.30	37.77	46.50	49.94	49.94	43.13	38.19	29.60	10.35
2017	11.52	23.61	29.16	26.70	33.48	43.20	54.45	51.81	41.07	26.61	27.07	15.61
2018	23.39	15.75	23.35	28.37	38.55	41.53	51.55	49.10	40.20	31.55	19.63	15.74
2019	18.26	17.43	22.65	32.43	36.03	40.90	49.68	49.68	41.80	22.55	24.33	20.00
2020	22.00	15.93	23.16	26.50	34.58	42.00	48.06	52.61	42.60	31.74	22.80	15.81
2021	18.68	19.50	21.23	24.80	32.87	47.30	57.87	49.03	40.60	35.39	27.20	20.58
2022	15.97	15.43	25.97	24.57	32.68	41.17	54.06	54.48	45.67	32.71	15.80	16.19
2023	19.13	14.82	18.45	25.30	38.90	41.53	53.55	51.68	43.00	33.55	26.20	25.32
2024	24.19	25.38	25.10	30.67	33.06	48.03	55.32	51.16	45.60	37.10	24.47	26.06
2025	18.67	22.75	29.13	30.10	38.65	44.83	52.42	51.48	47.03	33.97	31.27	29.61
2026	24.10	27.18	33.71	29.10	37.90	43.47	56.74	55.23	43.70	M	M	M
NCEI Climatology	17.70	18.36	23.30	27.11	34.00	39.60	47.50	46.01	38.10	29.40	22.00	16.41

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	10.50
2011	31.32	29.87	36.53	38.23	46.45	55.97	67.65	70.05	62.60	49.58	34.57	29.34
2012	32.21	30.22	39.63	47.10	51.48	60.55	73.08	71.29	62.68	47.37	41.38	36.64
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	62.15	60.20	52.06	36.27	33.27
2015	34.47	39.00	43.29	42.95	51.98	65.82	66.92	69.84	61.20	53.34	30.77	27.65
2016	29.89	37.22	39.78	46.72	49.90	63.33	68.29	67.84	57.20	49.60	42.73	24.84
2017	23.65	33.75	41.77	41.02	50.50	61.63	73.10	70.11	58.27	44.68	40.38	30.65
2018	35.71	28.64	35.48	44.87	53.40	60.03	71.73	68.65	60.00	46.71	34.70	27.39
2019	31.10	27.39	35.18	45.57	49.48	58.15	68.98	69.60	58.33	40.53	39.80	30.26
2020	31.85	30.45	36.95	43.13	51.85	59.13	68.37	71.53	62.83	50.48	37.12	30.18
2021	30.77	30.55	35.85	43.03	51.02	68.02	75.60	67.76	60.95	48.68	42.05	31.56
2022	29.55	29.61	39.52	40.15	47.76	60.28	73.26	72.82	64.80	49.82	29.97	28.52
2023	28.23	28.27	28.74	40.23	53.76	56.33	72.74	69.26	59.72	49.21	37.77	34.48
2024	31.90	33.22	35.11	43.78	47.71	64.52	73.16	68.68	61.92	52.21	34.53	35.94
2025	28.55	32.25	38.95	43.97	53.29	62.45	70.15	68.15	62.72	46.19	43.25	39.23
2026	34.94	38.05	47.10	42.92	54.68	61.08	74.10	71.98	59.05	M	M	M
NCEI Climatology	27.65	28.02	33.75	39.11	47.65	55.50	64.95	63.60	54.74	43.50	32.65	25.95

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
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
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	M
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
2026	M	M	M	M	M	M	M	M	M	M	M	M