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 (USC00338313) 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
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
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	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	2.57	2.33	2.73	3.82	4.10	4.20	3.91	3.54	3.32	2.76	2.89	2.61

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	4.6	4.2	4.6	2.1	2.2	2.2	2.1	2.3	2.4	3.6	3.0	4.7
2007	4.6	4.6	4.7	5.1	3.3	2.7	2.5	1.9	2.0	3.1	3.9	4.1
2008	5.3	4.3	4.7	3.7	3.8	3.0	2.2	2.3	2.1	3.0	3.6	5.1
2009	4.0	5.1	4.2	4.9	3.4	2.6	2.5	2.6	2.6	3.2	3.6	4.3
2010	4.1	3.4	3.3	4.3	3.3	2.7	1.9	1.7	3.2	3.2	3.3	3.3
2011	3.5	4.4	4.3	5.4	3.1	2.9	2.0	2.0	2.4	2.6	4.9	3.9
2012	4.9	3.8	4.2	4.0	2.8	3.0	2.4	1.9	2.1	3.7	2.7	3.8
2013	4.7	4.3	4.2	4.4	3.6	2.7	2.4	1.8	2.1	2.7	4.3	4.1
2014	5.5	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	6.0	7.5	6.2	5.4	4.8	4.3	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
2006	42.29	38.78	45.10	55.94	71.89	78.50	80.50	83.03	70.21	61.43	53.13	46.17
2007	38.71	28.46	52.00	58.37	77.35	83.77	83.87	83.32	80.33	70.48	49.46	38.10
2008	36.74	35.00	43.55	63.67	68.77	82.73	86.00	83.77	79.66	64.73	48.27	37.19
2009	28.48	40.04	52.38	61.33	73.58	80.87	81.06	86.83	75.82	60.97	54.73	36.61
2010	31.06	34.93	52.61	68.47	75.35	84.23	88.74	87.10	78.90	67.26	54.27	32.29
2011	30.71	37.18	46.97	60.43	73.10	83.93	90.97	84.47	73.87	64.97	55.46	43.06
2012	39.29	43.21	63.10	62.90	80.52	85.50	91.90	85.35	75.40	61.48	51.20	44.42
2013	38.77	36.36	43.03	60.83	77.19	81.43	83.42	82.32	78.07	66.00	47.00	37.73
2014	27.07	31.46	43.10	62.10	74.26	83.11	81.33	84.03	76.67	63.48	45.17	40.90
2015	31.94	26.57	45.55	62.90	78.35	79.90	83.42	83.13	81.57	64.45	57.33	50.90
2016	35.39	42.00	55.39	59.93	72.32	84.47	87.87	87.39	81.67	68.87	57.83	36.23
2017	40.48	50.61	47.77	68.13	70.84	83.30	83.48	81.97	79.57	68.10	50.97	36.23
2018	34.90	44.07	44.16	56.13	79.32	82.66	86.06	85.23	79.43	64.61	42.07	42.48
2019	41.57	M	47.15	61.47	72.65	80.00	88.42	82.63	81.93	67.26	44.29	43.71
2020	40.66	40.07	51.74	58.27	69.68	84.63	89.74	84.65	76.17	64.04	M	40.94
2021	35.47	33.57	57.71	63.97	72.03	83.73	84.65	86.97	82.00	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	48.83	40.00	M	M	M	M	M	M	M	M	M
2024	33.44	46.76	53.16	63.80	75.55	82.83	82.60	83.03	78.97	71.53	53.77	41.14
2025	29.23	35.11	55.39	62.57	67.48	83.20	75.00	M	M	M	M	M
NCEI Climatology	33.30	36.54	46.51	60.00	71.50	80.50	83.91	82.50	76.70	63.80	49.70	38.20

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	33.14	24.30	29.33	49.83	56.06	58.75	67.79	64.50	54.89	41.61	36.40	31.97
2007	25.52	9.57	32.35	39.30	53.10	58.30	61.06	63.35	56.83	51.76	32.39	26.10
2008	21.48	19.72	27.87	41.07	47.06	60.07	61.84	57.65	53.86	42.17	32.23	21.81
2009	8.19	23.04	29.97	39.93	49.23	56.67	59.52	59.50	62.61	39.97	38.50	23.90
2010	17.94	18.96	30.90	43.90	54.06	63.80	66.16	64.68	55.40	44.68	31.07	18.81
2011	14.10	20.32	29.26	40.87	53.52	61.50	68.23	62.23	56.43	44.13	39.18	30.68
2012	24.16	27.21	41.87	39.23	55.00	59.90	67.87	60.87	53.63	44.45	30.83	30.71
2013	21.87	21.57	27.90	38.20	53.58	61.00	64.65	60.61	54.33	44.87	31.13	24.20
2014	6.93	9.75	21.87	40.23	51.65	62.00	60.10	62.23	53.10	44.32	29.50	28.42
2015	13.35	5.14	24.81	40.10	54.87	61.37	61.58	61.35	58.47	45.81	37.43	35.65
2016	20.45	24.62	36.55	37.23	50.19	61.27	66.65	67.29	59.00	48.48	37.00	24.74
2017	26.71	31.36	31.45	46.00	6.43	-9.65	-8.02	-52.88	10.24	-23.81	-11.02	19.16
2018	16.61	-69.48	-58.89	-77.91	34.23	63.45	64.58	65.52	61.20	45.19	31.80	28.13
2019	28.21	M	27.85	41.73	51.65	59.97	67.13	62.88	60.17	45.65	27.81	26.90
2020	28.41	24.34	34.55	36.97	49.71	61.10	67.42	62.13	55.03	44.93	M	27.32
2021	25.73	13.71	32.23	41.37	49.06	64.67	65.03	66.07	59.43	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	29.65	39.00	M	M	M	M	M	M	M	M	M
2024	24.06	28.45	34.94	44.97	55.94	63.67	65.40	62.81	58.07	49.94	39.57	28.72
2025	15.94	22.33	34.52	42.10	50.68	64.67	72.00	M	M	M	M	M
NCEI Climatology	18.70	20.64	28.79	38.70	50.40	59.90	63.60	61.80	54.30	42.90	33.40	24.50

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	37.71	31.54	37.21	52.89	63.97	68.63	74.14	73.77	62.55	51.52	44.77	39.07
2007	32.11	19.02	42.18	48.83	65.23	71.03	72.47	73.34	68.58	61.12	40.93	32.10
2008	29.11	27.36	35.71	52.37	57.92	71.40	73.92	70.71	66.76	53.45	40.25	29.50
2009	18.34	31.54	41.17	50.63	61.40	68.77	70.29	73.17	69.21	50.47	46.62	30.26
2010	24.50	26.95	41.76	56.18	64.71	74.02	77.45	75.89	67.15	55.97	42.67	25.55
2011	22.40	28.75	38.11	50.65	63.31	72.72	79.60	73.35	65.15	54.55	47.32	36.87
2012	31.73	35.21	52.48	51.07	67.76	72.70	79.89	73.11	64.52	52.97	41.02	37.56
2013	30.32	28.96	35.47	49.52	65.39	71.22	74.03	71.47	66.20	55.44	39.07	30.97
2014	17.00	20.61	32.48	51.17	62.95	72.55	70.72	73.13	64.88	53.90	37.33	34.66
2015	22.65	15.86	35.18	51.50	66.61	70.63	72.50	72.24	70.02	55.13	47.38	43.27
2016	27.92	33.31	45.97	48.58	61.26	72.87	77.26	77.34	70.33	58.68	47.42	30.48
2017	33.60	40.98	39.61	57.07	38.63	36.82	37.73	14.54	44.90	22.14	19.97	27.69
2018	25.76	-12.70	-7.36	-10.89	56.78	73.05	75.32	75.37	70.32	54.90	36.93	35.31
2019	34.89	M	37.50	51.60	62.15	69.98	77.77	72.75	71.05	56.45	36.05	35.31
2020	34.53	32.21	43.15	47.62	59.69	72.87	78.58	73.39	65.60	54.48	M	34.13
2021	30.60	23.64	44.97	52.67	60.55	74.20	74.84	76.52	70.71	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	39.24	39.50	M	M	M	M	M	M	M	M	M
2024	28.75	37.60	44.05	54.38	65.74	73.25	74.00	72.92	68.52	60.74	46.67	34.93
2025	22.58	28.72	44.95	52.33	59.08	73.93	73.50	M	M	M	M	M
NCEI Climatology	26.00	28.59	37.65	49.35	60.95	70.20	73.75	72.15	65.50	53.35	41.55	31.35

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
2006	69.5%	68.5%	70.5%	64.7%	63.8%	69.0%	74.6%	70.8%	74.3%	73.1%	76.4%	74.0%
2007	77.8%	73.2%	69.0%	67.6%	58.3%	61.8%	65.7%	76.2%	71.9%	74.3%	74.5%	82.8%
2008	75.3%	80.7%	76.0%	66.1%	65.4%	71.3%	68.8%	68.5%	73.3%	69.4%	75.3%	78.8%
2009	78.4%	74.9%	65.8%	67.1%	64.9%	69.7%	69.5%	59.4%	59.4%	74.3%	80.8%	77.8%
2010	82.9%	82.6%	75.5%	59.8%	72.1%	73.8%	71.4%	74.0%	67.0%	66.3%	75.2%	81.0%
2011	80.8%	76.6%	75.1%	76.5%	77.4%	70.2%	72.0%	76.2%	82.7%	76.6%	74.2%	82.4%
2012	79.0%	78.2%	71.2%	62.4%	64.3%	61.8%	67.8%	71.5%	76.0%	75.7%	73.9%	85.6%
2013	76.5%	78.6%	73.6%	69.1%	62.8%	73.3%	80.3%	78.5%	77.5%	79.2%	73.0%	79.5%
2014	76.1%	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	81.6%	63.8%	64.9%	75.3%	71.3%	92.3%	M	M	M	M	M