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 (USC00485105) 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
2002	M	M	M	M	M	M	M	0.00	0.28	0.52	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
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	0.00	0.90	0.75	1.17	0.98	M	0.03
2014	0.04	0.36	0.36	0.17	0.63	1.16	1.19	2.14	2.87	0.10	0.05	0.27
2015	0.08	0.24	0.09	0.47	2.46	0.42	1.00	0.58	0.85	1.21	0.11	0.20
2016	0.10	0.03	0.46	0.97	3.19	0.24	0.18	0.30	0.74	0.37	M	0.15
2017	0.35	0.03	0.42	M	M	0.01	0.00	0.01	0.05	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	0.09	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.69	0.62	0.65	0.66	1.38	0.94	0.50	0.86	0.97	0.84	0.65	0.67

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	9.6	10.4	11.0	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
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	9.9	8.7	8.1	9.8	9.1	9.0	11.0
2014	12.3	13.4	11.6	11.3	10.1	10.1	9.1	7.9	8.7	8.9	13.6	9.9
2015	9.7	10.2	9.9	9.9	8.2	9.2	9.2	9.2	8.9	8.3	10.2	6.6
2016	5.4	11.4	9.5	9.2	9.7	9.3	10.6	8.6	9.4	9.0	M	9.8
2017	6.9	9.0	8.5	11.0	9.4	10.3	8.3	9.1	8.9	10.9	9.0	7.2
2018	M	M	M	10.4	8.4	11.8	9.5	9.9	10.4	8.7	9.9	8.8
2019	5.8	10.4	7.3	10.1	9.8	9.4	9.1	9.7	9.5	10.6	9.2	7.2
2020	9.7	10.5	8.6	10.7	10.5	10.1	10.5	9.6	13.2	12.9	9.8	8.6
2021	8.7	14.1	9.3	11.2	10.4	10.1	8.2	10.6	9.8	9.1	11.2	14.7
2022	13.6	12.9	12.7	16.0	14.5	14.4	14.3	12.8	10.8	10.0	9.9	10.4
2023	9.3	7.9	10.3	10.1	10.0	8.9	9.1	8.6	8.1	8.6	7.9	12.4
2024	6.1	9.2	9.9	11.1	12.7	10.5	9.6	8.7	8.5	8.4	7.7	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
2002	M	M	M	M	M	M	M	75.42	66.33	47.53	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
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	89.60	86.99	81.06	66.08	51.38	44.68	24.04
2014	30.73	32.00	40.77	49.64	58.86	68.09	78.97	72.47	68.84	58.54	35.38	22.52
2015	34.44	39.47	49.94	53.29	56.45	77.30	76.42	78.39	72.26	59.23	39.50	24.94
2016	25.07	34.13	41.68	51.56	57.43	76.04	81.41	75.08	66.56	54.42	M	24.67
2017	22.24	34.30	44.29	46.34	60.34	72.26	82.86	78.63	67.70	53.15	41.29	36.95
2018	M	M	M	56.04	60.88	72.56	84.26	79.55	74.72	50.93	37.46	26.66
2019	23.72	27.37	34.73	48.56	54.82	68.30	79.90	80.19	66.56	45.41	41.00	26.54
2020	29.10	28.28	38.97	49.46	61.79	68.18	80.43	80.75	68.00	56.36	41.24	32.00
2021	31.25	29.17	40.07	50.30	61.09	78.52	80.30	74.21	70.77	51.57	44.24	33.10
2022	29.04	27.95	40.30	47.12	56.33	71.96	83.14	77.00	69.50	56.62	32.19	28.40
2023	25.54	25.40	29.86	39.56	61.03	65.90	80.66	76.88	68.24	55.57	40.58	32.16
2024	41.00	33.06	38.45	51.56	56.45	75.56	81.53	79.61	73.16	61.50	38.81	M
NCEI Climatology	31.00	33.71	42.50	52.21	62.79	73.40	82.80	81.09	71.60	57.41	42.10	31.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	48.42	43.07	33.35	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
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	56.12	48.76	49.36	43.64	34.28	32.86	17.98
2014	28.40	24.96	30.14	31.22	35.95	40.82	50.12	47.68	41.06	33.57	21.80	11.84
2015	22.25	26.53	32.24	33.61	35.89	45.86	47.15	47.74	41.06	37.34	29.08	17.95
2016	20.03	26.40	29.64	30.02	33.39	44.36	47.62	47.91	41.66	33.96	M	15.07
2017	14.35	23.07	29.14	29.06	35.54	42.86	51.45	47.33	41.30	30.33	28.18	23.90
2018	M	M	M	30.07	36.05	44.36	49.71	47.21	38.66	29.50	20.24	10.34
2019	8.24	10.34	14.75	29.90	32.58	40.10	48.61	46.23	39.26	20.79	21.50	10.34
2020	14.58	9.10	21.78	26.12	35.43	40.22	45.70	50.00	38.23	29.60	18.20	12.26
2021	12.03	11.94	21.14	24.38	34.73	45.98	57.50	45.95	37.88	31.88	26.84	17.14
2022	11.39	8.99	20.50	24.44	32.99	41.06	50.57	53.00	40.10	30.14	15.06	11.39
2023	11.77	5.00	11.75	20.75	38.10	42.80	49.36	49.19	39.50	30.20	21.20	19.07
2024	21.20	16.23	19.34	27.92	31.94	44.48	49.19	48.78	42.26	33.34	19.53	M
NCEI Climatology	2.20	3.42	13.20	21.40	30.70	36.60	42.51	40.71	32.40	22.71	12.69	2.69

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	61.92	54.70	40.44	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
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	72.86	67.88	65.21	54.86	42.83	38.77	21.01
2014	29.56	28.48	35.45	40.43	47.40	54.45	64.55	60.07	54.95	46.05	28.59	17.18
2015	28.34	33.00	41.09	43.45	46.17	61.58	61.79	63.06	56.66	48.29	34.29	21.44
2016	22.55	30.27	35.66	40.79	45.41	60.20	64.52	61.50	54.11	44.19	M	19.87
2017	18.29	28.69	36.72	37.70	47.94	57.56	67.16	62.98	54.50	41.74	34.74	30.43
2018	M	M	M	43.06	48.46	58.46	66.98	63.38	56.69	40.22	28.85	18.50
2019	15.98	18.85	24.74	39.23	43.70	54.20	64.25	63.21	52.91	33.10	31.25	18.44
2020	21.84	18.69	30.37	37.79	48.61	54.20	63.06	65.38	53.12	42.98	29.72	22.13
2021	21.64	20.56	30.61	37.34	47.91	62.25	68.90	60.08	54.33	41.73	35.54	25.12
2022	20.21	18.47	30.40	35.78	44.66	56.51	66.85	65.00	54.80	43.38	23.62	19.90
2023	18.66	15.20	20.81	30.15	49.56	54.35	65.01	63.04	53.87	42.89	30.89	25.62
2024	31.10	24.64	28.89	39.74	44.19	60.02	65.36	64.20	57.71	47.42	29.17	M
NCEI Climatology	16.60	18.57	27.85	36.80	46.75	55.00	62.65	60.90	52.00	40.06	27.39	17.05

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
2002	M	M	M	M	M	M	M	39.4%	57.3%	88.8%	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
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	30.6%	38.7%	39.5%	62.2%	61.1%	62.1%	72.4%
2014	59.8%	77.3%	63.2%	56.9%	54.8%	50.2%	42.4%	57.6%	55.2%	56.0%	67.2%	80.8%
2015	78.7%	66.0%	53.6%	51.2%	72.3%	46.7%	47.1%	42.1%	41.4%	60.0%	59.3%	74.1%
2016	73.9%	66.8%	67.2%	67.2%	64.2%	43.6%	30.6%	33.2%	49.4%	61.4%	M	75.7%
2017	74.5%	75.4%	71.3%	66.0%	55.9%	45.9%	37.4%	40.7%	55.4%	47.5%	70.4%	70.1%
2018	M	M	M	48.6%	59.8%	44.3%	34.7%	32.7%	26.7%	66.1%	69.9%	78.5%
2019	76.0%	75.4%	74.5%	69.7%	64.4%	48.9%	39.0%	35.1%	52.5%	56.2%	64.3%	79.4%
2020	79.0%	72.7%	75.0%	57.5%	50.1%	50.0%	36.0%	28.8%	40.8%	42.4%	64.6%	67.8%
2021	75.3%	72.7%	64.8%	51.3%	52.8%	30.0%	45.9%	46.6%	40.8%	65.7%	64.7%	68.1%
2022	67.0%	66.7%	65.8%	54.0%	51.6%	42.0%	32.8%	56.0%	44.9%	50.3%	71.7%	78.0%
2023	82.9%	66.3%	72.6%	70.8%	57.2%	59.9%	40.2%	50.1%	52.4%	60.1%	65.7%	82.6%
2024	81.1%	76.5%	70.8%	55.5%	53.4%	38.2%	32.8%	39.9%	38.9%	46.6%	69.7%	M