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 (USC00210050) 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	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	12.98	0.00	0.00	0.00	0.00	0.00	0.00
2004	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M
2005	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	0.03	0.23	0.05	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	0.03	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.04	0.00	0.04	0.00	0.00	0.01	0.02	0.01
2014	0.03	0.01	0.08	0.05	0.13	0.21	0.04	0.04	0.02	0.03	0.00	0.00
2015	0.02	0.00	0.04	0.02	0.00	0.00	0.00	0.01	0.01	0.00	0.00	0.00
2016	0.00	0.00	0.00	0.00	0.04	0.02	0.02	0.00	0.02	0.00	0.00	0.00
2017	0.01	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.05	0.00	0.00	0.00
2018	0.00	0.00	0.01	0.00	0.01	0.01	0.00	0.01	0.00	0.01	0.00	0.00
2019	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.02	0.01	0.00	0.00
2020	0.00	0.00	0.00	0.01	0.00	0.01	0.01	0.01	0.00	0.00	0.00	0.00
2021	0.00	0.00	0.00	0.01	0.00	0.01	0.00	0.00	0.00	0.02	0.01	0.00
2022	0.00	0.01	0.00	0.03	0.03	0.00	0.01	0.04	0.00	0.00	0.01	0.00
2023	0.00	0.00	0.00	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	0.60	0.55	0.75	1.38	3.15	3.92	4.04	3.25	2.70	2.16	1.07	0.85

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	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	8.2	8.5	10.1	9.9	9.6	9.2	7.1	7.5	7.2	12.7	M	M
2005	M	M	M	M	M	5.9	M	8.1	7.4	7.7	9.4	7.1
2006	7.7	7.2	7.1	8.0	8.1	6.5	7.0	6.4	5.9	M	M	M
2007	8.5	7.7	8.8	8.7	9.3	7.5	6.4	6.9	8.4	8.5	9.3	7.2
2008	8.0	8.2	8.7	9.5	8.7	8.2	7.6	6.6	7.2	8.3	9.1	8.3
2009	8.0	7.4	8.6	8.5	9.5	7.6	9.8	5.3	M	M	7.3	7.2
2010	7.5	5.4	7.6	8.5	7.7	6.1	7.1	7.2	8.4	8.6	7.9	7.1
2011	6.5	9.3	7.3	7.9	8.7	6.8	6.3	6.3	6.9	7.6	8.9	9.0
2012	9.2	7.5	8.1	8.9	8.6	7.0	5.6	6.5	8.1	8.6	7.4	6.5
2013	8.8	7.0	7.3	8.6	9.4	7.1	6.9	5.4	6.4	8.0	8.6	8.0
2014	10.1	9.8	9.2	9.1	7.8	8.0	7.1	5.2	7.3	8.8	9.5	7.8
2015	9.3	9.3	9.2	9.0	7.9	6.2	6.8	6.3	6.8	7.5	8.1	7.5
2016	7.8	8.3	6.9	9.4	8.1	7.9	6.0	6.5	7.3	7.7	8.2	9.5
2017	8.3	8.4	8.6	8.3	8.9	7.7	5.9	4.7	7.5	10.0	8.9	8.6
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	11.1	9.0	8.6	8.8	6.6	5.7	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
2002	M	M	M	M	M	M	80.95	73.73	68.61	44.11	31.45	24.86
2003	13.90	13.83	30.86	53.11	66.71	73.95	78.59	80.53	64.57	54.81	28.81	24.97
2004	7.77	23.64	33.78	48.66	57.03	68.24	76.12	69.43	69.72	52.82	M	M
2005	M	M	M	M	M	70.50	71.78	64.02	70.65	55.89	36.52	24.54
2006	27.99	17.48	34.76	60.48	67.06	77.23	85.63	79.01	72.56	M	M	M
2007	17.08	11.60	36.25	51.33	67.37	75.16	82.25	75.23	65.49	54.48	33.21	16.74
2008	14.49	15.28	29.89	48.64	61.39	71.67	76.36	76.87	67.05	55.13	34.87	10.23
2009	7.67	20.23	31.21	48.73	59.80	69.57	55.58	M	M	M	M	M
2010	M	M	M	M	M	M	78.38	79.60	62.49	58.77	35.37	15.45
2011	9.24	18.73	31.06	50.13	62.94	71.98	80.71	79.43	69.26	59.16	36.77	27.23
2012	23.82	27.34	49.61	55.02	67.07	77.37	85.92	80.91	69.45	47.04	33.04	17.60
2013	15.07	21.12	29.75	41.52	63.35	66.72	77.38	79.52	70.98	49.76	30.28	5.04
2014	8.45	8.16	24.65	43.02	62.00	71.04	69.22	72.73	66.22	52.89	25.05	22.38
2015	16.69	8.99	37.35	52.88	62.99	70.48	79.13	75.51	70.64	54.45	38.64	26.15
2016	15.04	22.23	38.86	45.68	67.95	70.90	77.23	76.36	66.15	52.97	45.17	17.37
2017	17.29	22.97	33.21	51.57	63.71	73.02	79.37	76.37	68.16	54.65	29.61	13.58
2018	15.16	12.40	32.64	43.90	72.04	76.98	79.83	78.13	63.78	44.43	24.99	22.51
2019	9.33	9.42	27.33	48.61	61.14	74.68	78.43	74.29	64.44	43.71	27.80	20.27
2020	17.89	19.87	34.58	45.86	62.97	75.37	80.11	77.70	64.37	42.81	36.73	24.75
2021	21.32	9.04	43.04	50.29	64.85	79.66	82.27	77.86	71.29	57.64	34.73	17.70
2022	7.86	9.78	28.33	38.62	61.04	72.24	76.77	76.23	67.01	53.34	31.45	14.04
2023	15.63	19.47	24.89	38.64	60.59	74.53	75.39	75.02	71.67	52.83	35.52	31.92
2024	17.32	30.01	32.69	53.04	63.06	71.28	79.16	76.45	75.57	58.81	38.25	22.10
2025	13.62	14.07	36.52	50.09	72.00	74.92	76.69	M	M	M	M	M
NCEI Climatology	15.80	22.50	36.10	52.80	67.10	76.61	80.59	80.10	70.20	54.20	35.80	21.20

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	60.58	56.54	48.61	30.01	15.99	11.67
2003	-0.56	-6.49	11.23	30.46	43.60	53.13	56.87	58.59	42.50	35.78	15.03	9.60
2004	-9.28	6.17	14.04	29.97	38.96	48.31	55.21	48.82	50.52	31.40	M	M
2005	M	M	M	M	M	59.64	68.15	57.40	48.70	36.74	23.03	12.15
2006	13.84	-5.29	17.00	37.07	44.67	53.50	58.26	54.88	46.48	M	M	M
2007	-2.52	-7.37	16.60	28.19	44.53	55.16	57.97	52.37	45.33	36.58	19.08	0.05
2008	-6.11	-7.82	10.12	27.57	36.66	49.80	54.78	55.44	45.26	35.15	20.31	-9.78
2009	-12.61	0.41	14.88	30.75	37.74	50.76	51.26	M	M	M	M	M
2010	M	M	M	M	M	M	58.94	56.43	43.95	37.14	18.21	1.67
2011	-9.65	-1.13	10.57	33.10	43.39	52.58	58.97	55.64	44.43	38.19	21.60	12.03
2012	5.82	8.38	26.95	31.51	44.09	52.69	60.15	52.16	41.72	32.08	17.62	1.21
2013	-5.67	-0.59	6.89	21.75	42.67	46.72	56.49	55.20	50.02	32.59	13.00	-12.36
2014	-13.48	-11.13	2.62	25.65	43.76	54.07	49.14	55.26	45.60	35.19	10.34	11.43
2015	-1.84	-9.81	18.63	29.00	40.55	53.53	61.48	53.85	49.51	36.30	24.63	13.65
2016	1.13	5.22	22.54	29.07	44.97	53.32	57.99	54.92	45.95	37.08	31.52	2.99
2017	1.39	5.01	14.98	31.12	20.02	52.97	-100.00	-37.20	25.09	-201.83	-290.06	-85.39
2018	-83.95	-52.49	-48.42	-43.36	46.18	55.53	56.80	53.88	43.96	31.11	12.47	8.51
2019	-7.71	-9.39	9.31	30.52	39.58	51.45	57.45	53.36	48.73	33.65	15.34	3.38
2020	2.44	-2.91	13.43	25.88	41.12	55.44	61.35	55.97	42.29	25.60	17.58	8.36
2021	3.98	-9.10	20.96	27.04	39.30	53.44	56.52	55.16	48.91	38.48	18.50	1.07
2022	-13.17	-15.15	9.49	25.43	43.92	51.34	56.45	53.41	45.24	33.23	16.75	-1.57
2023	1.01	-3.05	4.27	25.48	47.53	56.37	51.96	54.74	49.45	34.76	20.11	20.19
2024	4.18	14.94	15.71	32.08	45.94	51.69	59.62	55.39	53.64	36.22	25.47	8.67
2025	-5.45	-3.97	17.36	30.31	45.68	52.02	56.93	M	M	M	M	M
NCEI Climatology	-3.19	0.52	15.30	30.50	44.39	55.20	58.71	56.61	48.20	34.40	19.40	4.70

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	70.77	65.14	58.61	37.06	23.72	18.27
2003	6.67	3.67	21.04	41.79	55.15	63.54	67.73	69.56	53.53	45.30	21.92	17.29
2004	-0.76	14.90	23.91	39.31	47.99	58.28	65.67	59.13	60.12	42.11	M	M
2005	M	M	M	M	M	65.07	69.97	60.71	59.67	46.31	29.78	18.35
2006	20.91	6.10	25.88	48.77	55.86	65.37	71.95	66.95	59.52	M	M	M
2007	7.28	2.12	26.43	39.76	55.95	65.16	70.11	63.80	55.41	45.53	26.14	8.40
2008	4.19	3.73	20.00	38.10	49.03	60.73	65.57	66.16	56.16	45.14	27.59	0.22
2009	-2.47	10.32	23.05	39.74	48.77	60.16	53.42	M	M	M	M	M
2010	M	M	M	M	M	M	68.66	68.02	53.22	47.96	26.79	8.56
2011	-0.21	8.80	20.81	41.61	53.17	62.28	69.84	67.54	56.84	48.68	29.18	19.63
2012	14.82	17.86	38.28	43.27	55.58	65.03	73.03	66.54	55.59	39.56	25.33	9.41
2013	4.70	10.26	18.32	31.63	53.01	56.72	66.93	67.36	60.50	41.17	21.64	-3.66
2014	-2.51	-1.48	13.64	34.34	52.88	62.56	59.18	64.00	55.91	44.04	17.69	16.91
2015	7.42	-0.41	27.99	40.94	51.77	62.00	70.30	64.68	60.08	45.37	31.64	19.90
2016	8.09	13.73	30.70	37.38	56.46	62.11	67.61	65.64	56.05	45.03	38.35	10.18
2017	9.34	13.99	24.09	41.34	41.87	62.99	-10.32	19.59	46.62	-73.59	-130.23	-35.91
2018	-34.40	-20.05	-7.89	0.27	59.11	66.25	68.31	66.00	53.87	37.77	18.73	15.51
2019	0.81	0.01	18.32	39.57	50.36	63.07	67.94	63.83	56.59	38.68	21.57	11.82
2020	10.16	8.48	24.00	35.87	52.04	65.41	70.73	66.83	53.33	34.20	27.16	16.55
2021	12.65	-0.03	32.00	38.67	52.07	66.55	69.39	66.51	60.10	48.06	26.61	9.39
2022	-2.65	-2.69	18.91	32.02	52.48	61.79	66.61	64.82	56.13	43.29	24.10	6.23
2023	8.32	8.21	14.58	32.06	54.06	65.45	63.67	64.88	60.56	43.80	27.81	26.05
2024	10.75	22.48	24.20	42.56	54.50	61.48	69.39	65.92	64.60	47.51	31.86	15.38
2025	4.09	5.05	26.94	40.20	58.84	63.47	66.81	M	M	M	M	M
NCEI Climatology	6.30	11.51	25.70	41.65	55.75	65.90	69.65	68.35	59.20	44.30	27.60	12.95

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
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	71.8%	71.1%	70.3%	57.7%	58.1%	61.4%	64.6%	68.8%	71.0%	53.5%	M	M
2005	M	M	M	M	M	68.1%	M	67.7%	66.3%	73.2%	78.5%	82.9%
2006	80.0%	71.3%	70.7%	59.1%	63.3%	61.6%	58.7%	63.5%	60.7%	M	M	M
2007	76.4%	72.9%	73.7%	58.9%	64.3%	69.5%	67.4%	68.8%	70.7%	75.5%	74.4%	85.5%
2008	79.9%	77.7%	72.0%	58.3%	59.7%	65.8%	71.5%	69.4%	75.1%	73.8%	80.8%	79.1%
2009	80.0%	78.0%	73.5%	68.0%	66.3%	70.1%	71.2%	M	M	M	M	M
2010	M	M	M	M	M	M	81.0%	70.4%	70.6%	67.4%	77.1%	77.7%
2011	78.6%	73.2%	68.3%	67.8%	64.6%	68.9%	67.0%	67.0%	68.1%	67.4%	74.2%	75.2%
2012	77.0%	77.9%	70.1%	54.8%	60.6%	64.3%	64.4%	60.3%	54.6%	74.8%	78.8%	79.9%
2013	74.2%	73.3%	70.7%	68.3%	61.0%	59.8%	67.2%	67.4%	70.2%	75.5%	78.1%	70.4%
2014	69.4%	67.6%	69.2%	66.6%	68.5%	72.3%	71.6%	83.4%	78.0%	72.3%	75.9%	85.3%
2015	79.4%	74.1%	70.8%	58.0%	64.9%	72.6%	74.4%	74.3%	71.0%	75.4%	85.0%	84.9%
2016	81.3%	78.1%	71.8%	67.2%	58.8%	71.7%	65.0%	66.0%	72.2%	79.6%	82.3%	81.6%
2017	82.4%	79.6%	70.2%	67.4%	59.9%	70.5%	75.0%	74.9%	76.4%	70.1%	81.9%	81.8%
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	83.1%	70.0%	66.7%	48.6%	67.7%	77.8%	M	M	M	M	M