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 (USW00026616) 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
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	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	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	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	0.62	0.88	0.52	0.56	0.44	0.60	1.60	2.13	1.42	1.07	0.82	0.73

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	6.0	8.8	9.8	10.9	10.9	13.7	11.0
2006	5.8	13.0	11.3	8.3	8.1	10.4	7.8	5.3	9.8	12.5	9.5	10.4
2007	7.6	9.5	8.9	10.7	4.4	6.5	3.2	6.5	9.5	M	13.4	11.5
2008	12.5	9.5	10.9	10.3	5.5	4.6	7.8	6.0	6.3	9.1	7.0	11.4
2009	12.3	10.5	12.3	8.9	7.1	7.3	7.2	8.7	9.7	8.7	6.6	9.6
2010	6.7	11.6	8.1	9.4	5.8	7.0	5.9	7.1	9.1	12.4	8.3	15.4
2011	10.4	8.3	8.0	11.9	7.7	8.8	6.9	6.8	11.5	10.9	8.2	11.2
2012	5.8	10.6	9.5	7.0	8.6	8.0	9.3	10.8	10.2	8.4	8.5	9.7
2013	10.9	13.2	14.2	10.1	13.5	7.4	6.6	7.3	10.7	9.9	11.3	10.7
2014	14.1	16.8	12.2	9.9	10.3	7.2	6.9	7.2	9.3	8.8	11.2	11.3
2015	9.5	11.3	6.1	7.4	10.1	8.6	6.7	8.1	10.2	8.7	11.2	13.5
2016	14.6	9.8	7.1	8.6	8.7	8.1	7.5	8.0	10.2	11.7	9.2	7.3
2017	10.5	10.2	4.4	7.4	7.3	8.5	7.5	9.9	8.5	9.1	9.4	14.7
2018	10.2	11.1	11.7	14.5	7.9	7.9	6.3	8.0	8.3	10.6	9.2	12.6
2019	10.4	15.7	13.6	9.1	8.4	6.6	8.4	7.2	9.0	9.9	10.9	10.3
2020	13.3	6.3	10.7	9.2	8.1	7.3	6.6	5.6	7.4	9.2	11.8	11.0
2021	10.8	13.4	12.7	8.6	9.0	9.5	9.7	8.1	6.5	10.2	8.3	11.1
2022	9.5	12.9	10.9	8.3	8.4	10.1	8.6	9.3	10.6	8.0	12.1	7.7
2023	11.4	6.4	12.5	9.3	7.4	8.3	6.0	7.0	6.9	8.7	13.9	10.6
2024	14.4	11.7	11.6	12.5	11.1	8.4	6.4	11.2	8.4	10.3	9.0	12.4
2025	14.9	11.7	7.5	6.9	6.9	6.9	11.6	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
2005	M	M	M	M	M	66.33	71.68	59.26	44.26	23.51	4.26	7.10
2006	-4.99	7.38	6.74	15.38	41.52	48.56	55.34	50.93	46.40	30.78	15.20	5.35
2007	3.43	9.13	-1.79	25.52	42.74	61.10	68.00	62.02	46.88	31.40	29.12	10.35
2008	-0.29	1.42	9.98	17.66	40.76	51.45	55.07	55.46	46.87	20.73	11.68	12.68
2009	0.57	-2.13	5.49	18.33	38.75	53.74	59.45	50.25	40.19	29.94	5.09	15.58
2010	-1.09	9.87	4.25	23.42	45.50	59.42	57.39	56.27	46.76	26.08	15.08	3.08
2011	12.26	3.47	11.87	19.52	42.40	56.83	54.95	50.93	42.03	23.90	5.90	6.93
2012	-17.13	7.79	0.99	22.76	35.48	55.26	55.34	47.91	38.11	26.17	8.73	-0.47
2013	12.59	0.53	7.76	15.54	28.57	56.24	55.34	51.08	34.58	31.42	12.80	10.05
2014	18.44	10.87	12.37	24.49	37.57	51.26	52.15	56.45	40.52	23.12	24.08	11.95
2015	10.63	14.32	4.48	20.06	44.60	51.32	60.37	47.10	37.04	28.82	14.48	5.45
2016	17.66	17.33	9.02	32.56	47.85	53.30	57.01	54.06	39.63	35.54	15.12	10.15
2017	6.16	2.51	0.14	28.22	39.92	57.57	59.96	46.98	42.67	28.28	20.89	19.69
2018	6.05	18.56	16.73	26.72	40.77	54.80	57.14	52.55	49.07	34.61	19.76	5.35
2019	9.38	19.47	21.32	24.14	45.76	61.82	60.22	53.14	46.28	29.50	15.68	9.76
2020	-0.52	-7.23	9.18	20.94	47.33	59.30	57.55	56.39	41.66	29.42	19.52	8.60
2021	8.25	-5.48	3.03	19.59	44.08	53.36	53.19	49.65	38.27	25.13	9.26	1.59
2022	0.68	4.81	16.56	25.86	41.12	54.62	57.20	51.86	45.22	27.18	16.94	16.64
2023	8.42	0.24	9.34	11.08	37.11	51.32	60.02	55.34	40.81	27.59	19.82	6.44
2024	4.94	10.80	10.75	20.62	37.75	58.58	54.18	48.55	41.84	26.54	10.95	12.80
2025	11.56	10.75	9.32	17.96	39.20	57.86	59.34	M	M	M	M	M
NCEI Climatology	5.80	9.91	10.39	25.10	40.30	54.50	61.40	57.80	48.80	32.10	17.20	9.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	57.46	54.42	51.71	41.34	20.94	0.53	2.66
2006	-9.46	2.55	-1.50	5.72	32.06	40.70	46.86	40.77	40.40	26.14	10.76	1.98
2007	0.06	5.53	-9.46	17.48	29.39	50.42	56.64	49.77	40.82	29.00	26.24	5.51
2008	-4.55	-4.71	3.63	10.92	32.73	42.04	47.52	41.94	33.94	16.30	7.25	7.06
2009	-2.70	-5.93	0.28	12.87	32.02	45.49	50.97	41.64	32.70	25.86	2.28	11.67
2010	-5.33	5.93	-1.39	16.46	34.28	47.78	47.83	47.27	38.84	21.37	13.10	-1.02
2011	7.90	-0.60	6.73	12.39	35.80	50.87	48.20	44.95	36.82	20.60	0.69	3.20
2012	-20.67	3.39	-3.71	15.98	31.01	49.10	50.00	44.08	31.87	23.37	6.48	-3.40
2013	8.34	-3.93	1.72	8.18	23.06	49.04	48.61	43.40	29.30	26.83	7.88	5.93
2014	13.46	5.67	7.15	17.48	29.97	41.66	45.18	47.50	35.78	19.16	15.74	6.06
2015	4.30	7.57	-1.39	13.58	37.46	43.04	50.12	40.59	29.24	24.02	9.92	0.69
2016	13.07	11.27	2.72	23.68	39.75	44.60	48.14	46.69	33.06	31.13	8.79	5.19
2017	0.94	-2.68	-6.58	20.48	30.50	47.83	49.94	39.63	35.02	24.22	17.10	16.03
2018	1.92	14.45	10.34	18.74	32.58	44.48	47.74	43.44	40.44	29.45	15.92	0.35
2019	3.74	14.42	15.28	17.72	37.23	48.50	50.64	44.08	39.02	25.44	10.96	5.29
2020	-4.70	-13.68	1.98	15.03	37.63	47.42	47.56	44.77	34.52	24.44	15.68	4.19
2021	2.85	-10.04	-1.74	10.59	32.00	43.52	46.98	40.48	31.81	20.73	2.72	-3.57
2022	-4.54	-0.08	8.53	15.80	29.85	43.94	47.33	42.34	37.90	21.37	14.18	10.28
2023	2.48	-5.61	2.70	1.77	28.81	41.60	52.76	45.24	34.30	22.59	16.22	1.88
2024	0.99	7.67	6.57	15.16	28.23	45.62	46.17	40.83	35.72	21.61	7.22	8.73
2025	3.84	4.93	2.24	9.80	28.92	46.82	50.90	M	M	M	M	M
NCEI Climatology	-7.20	-4.51	-4.81	10.00	28.51	43.00	51.80	48.91	39.90	24.11	6.90	-2.70

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	61.89	63.05	55.49	42.80	22.23	2.39	4.88
2006	-7.23	4.96	2.62	10.55	36.79	44.63	51.10	45.85	43.40	28.46	12.98	3.66
2007	1.75	7.33	-5.63	21.50	36.06	55.76	62.32	55.89	43.85	30.20	27.68	7.93
2008	-2.42	-1.64	6.80	14.29	36.74	46.75	51.30	48.70	40.41	18.52	9.46	9.87
2009	-1.06	-4.03	2.89	15.60	35.38	49.61	55.21	45.94	36.45	27.90	3.68	13.62
2010	-3.21	7.90	1.43	19.94	39.89	53.60	52.61	51.77	42.80	23.73	14.09	1.03
2011	10.08	1.43	9.30	15.96	39.10	53.85	51.58	47.94	39.42	22.25	3.30	5.07
2012	-18.90	5.59	-1.36	19.37	33.25	52.18	52.67	45.99	34.99	24.77	7.60	-1.93
2013	10.46	-1.70	4.74	11.86	25.82	52.64	51.97	47.24	31.94	29.13	10.34	7.99
2014	15.95	8.27	9.76	20.98	33.77	46.46	48.66	51.97	38.15	21.14	19.91	9.00
2015	7.47	10.95	1.55	16.82	41.03	47.18	55.24	43.85	33.14	26.42	12.20	3.07
2016	15.36	14.30	5.87	28.12	43.80	48.95	52.58	50.38	36.34	33.34	11.95	7.67
2017	3.55	-0.09	-3.22	24.35	35.21	52.70	54.95	43.30	38.85	26.25	19.00	17.86
2018	3.98	16.51	13.54	22.73	36.67	49.64	52.44	48.00	44.76	32.03	17.84	2.85
2019	6.56	16.94	18.30	20.93	41.49	55.16	55.43	48.61	42.65	27.47	13.32	7.53
2020	-2.61	-10.46	5.58	17.99	42.48	53.36	52.55	50.58	38.09	26.93	17.60	6.39
2021	5.55	-7.76	0.65	15.09	38.04	48.44	50.09	45.06	35.04	22.93	5.99	-0.99
2022	-1.93	2.36	12.55	20.83	35.48	49.28	52.26	47.10	41.56	24.28	15.56	13.46
2023	5.45	-2.68	6.02	6.43	32.96	46.46	56.39	50.29	37.56	25.09	18.02	4.16
2024	2.97	9.23	8.66	17.89	32.99	52.10	50.17	44.69	38.78	24.07	9.08	10.77
2025	7.70	7.84	5.78	13.88	34.06	52.34	55.12	M	M	M	M	M
NCEI Climatology	-0.70	2.70	2.79	17.55	34.40	48.75	56.60	53.35	44.35	28.10	12.05	3.60

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
2005	M	M	M	M	M	62.3%	76.6%	81.0%	78.5%	79.9%	67.5%	73.3%
2006	64.8%	75.4%	62.9%	77.6%	80.3%	85.9%	89.4%	84.9%	84.9%	84.8%	75.6%	74.0%
2007	71.4%	56.2%	65.6%	75.8%	73.8%	72.7%	76.5%	82.1%	82.6%	M	68.8%	77.1%
2008	74.3%	71.9%	66.5%	76.7%	88.1%	86.6%	87.2%	73.8%	72.0%	69.2%	65.0%	73.4%
2009	54.7%	73.7%	52.6%	75.9%	87.8%	85.3%	83.0%	86.6%	77.7%	82.3%	77.5%	76.8%
2010	66.3%	76.6%	64.4%	82.4%	71.3%	73.6%	82.6%	89.7%	82.0%	73.8%	88.9%	77.0%
2011	74.3%	84.8%	79.0%	79.1%	76.3%	60.6%	81.9%	78.5%	78.1%	83.3%	74.0%	82.8%
2012	66.9%	73.8%	60.4%	81.3%	67.2%	68.5%	86.5%	90.0%	88.0%	78.9%	71.5%	65.9%
2013	75.8%	72.5%	71.4%	72.7%	86.3%	78.5%	86.0%	83.5%	87.7%	86.6%	82.6%	83.0%
2014	74.3%	68.2%	72.4%	75.3%	84.5%	79.3%	85.3%	81.2%	82.1%	83.1%	75.1%	68.0%
2015	69.6%	81.5%	81.2%	79.8%	70.5%	78.2%	80.6%	93.6%	76.3%	79.9%	87.3%	74.5%
2016	74.3%	72.3%	75.2%	75.9%	80.5%	71.7%	76.9%	82.5%	86.8%	67.9%	78.3%	81.5%
2017	86.7%	80.6%	81.6%	70.6%	76.2%	69.0%	84.3%	84.4%	80.7%	86.3%	81.1%	80.5%
2018	67.3%	77.8%	83.8%	66.2%	77.8%	62.8%	88.1%	80.0%	78.7%	66.0%	76.1%	73.2%
2019	69.5%	81.0%	86.5%	73.5%	74.5%	65.3%	83.1%	84.4%	81.4%	83.1%	66.6%	63.8%
2020	59.7%	71.4%	81.7%	85.9%	59.2%	69.1%	74.2%	81.8%	81.9%	81.0%	81.6%	75.8%
2021	83.4%	78.4%	85.4%	79.9%	61.9%	76.7%	94.3%	87.7%	90.1%	81.8%	73.6%	82.7%
2022	75.8%	73.1%	71.6%	68.0%	73.0%	68.7%	78.5%	85.0%	84.2%	88.2%	82.6%	72.0%
2023	82.4%	82.8%	87.9%	72.8%	81.4%	77.8%	81.8%	82.6%	87.0%	84.5%	81.6%	78.6%
2024	81.5%	88.9%	88.1%	85.5%	70.3%	67.8%	87.5%	89.3%	87.2%	80.9%	75.3%	67.8%
2025	76.3%	68.8%	79.5%	81.2%	71.2%	67.7%	70.5%	M	M	M	M	M