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 (USC00350304) 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	M	M	M	M	M
2003	M	M	M	0.00	M	33.79	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	0.00	0.00	0.01	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.02	0.01
2007	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.00	0.00	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	2.35	2.11	2.03	1.95	1.64	0.85	0.44	0.37	0.50	1.41	2.57	3.38

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	9.0	M	7.0	5.5	6.0	M	M	M	4.5	4.7	7.2	8.7
2005	8.8	5.9	5.2	5.6	4.9	6.0	5.5	5.7	4.5	5.2	8.2	10.1
2006	M	M	7.3	5.4	5.4	5.3	5.3	5.5	5.1	5.0	7.1	9.9
2007	7.8	7.0	5.7	5.4	5.7	5.7	5.2	5.4	3.5	3.4	7.7	7.2
2008	8.5	7.0	6.0	4.9	5.8	5.5	5.1	5.7	5.1	5.8	8.5	7.4
2009	9.0	7.6	5.4	5.7	5.6	5.4	5.5	5.2	4.9	5.4	7.6	9.6
2010	9.0	7.2	5.9	6.5	5.3	6.0	5.3	5.4	4.9	5.4	6.3	6.9
2011	8.1	5.7	5.9	5.1	5.7	5.4	4.8	4.8	4.6	4.6	7.2	8.1
2012	8.6	6.7	6.8	4.4	5.2	5.4	5.1	4.8	4.4	5.0	6.8	6.1
2013	8.6	5.7	4.9	6.0	4.6	5.3	5.1	4.8	4.4	5.3	6.0	9.0
2014	8.0	5.4	6.1	4.4	5.1	6.1	5.4	5.2	4.9	5.6	8.0	7.0
2015	8.3	6.3	4.8	5.3	5.3	5.5	5.6	5.1	4.6	5.2	6.4	6.4
2016	9.3	M	M	M	5.7	5.3	5.5	5.5	4.6	5.7	6.8	7.1
2017	8.6	6.8	5.7	5.8	5.2	5.2	5.0	4.9	4.3	5.8	6.1	9.8
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	9.2	6.7	5.9	5.6	6.3	6.2	5.4	4.5	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	M	M	M	M	53.80	M
2003	44.35	42.08	47.32	44.48	58.68	72.32	81.00	76.33	74.41	62.89	39.72	36.95
2004	37.31	M	38.80	55.93	63.40	M	M	M	64.79	55.80	44.67	40.11
2005	39.36	46.71	50.74	49.62	57.71	61.32	78.13	78.22	66.92	55.94	43.33	38.54
2006	33.45	29.55	31.25	50.63	62.65	69.99	77.75	76.11	71.66	58.33	41.73	38.53
2007	38.60	40.78	50.91	52.47	63.16	67.49	77.74	75.91	73.23	53.43	47.14	34.19
2008	33.73	41.81	45.78	48.34	59.58	67.97	78.07	77.07	75.78	59.93	47.72	36.20
2009	42.27	42.23	43.05	51.56	63.01	66.41	81.79	77.80	75.02	54.14	44.54	35.69
2010	39.34	43.47	46.05	46.54	52.15	63.55	78.82	75.52	69.88	58.49	42.07	37.55
2011	41.49	40.39	41.36	45.04	52.51	64.08	71.30	77.20	76.75	58.17	40.51	42.03
2012	39.57	40.41	41.58	50.32	60.71	62.34	74.91	80.23	76.20	58.98	46.59	34.26
2013	36.34	41.67	49.63	52.89	61.15	68.68	82.42	76.82	66.99	58.56	48.85	38.65
2014	45.32	44.19	49.69	55.77	62.26	68.28	83.07	77.74	74.38	62.10	47.08	40.98
2015	47.67	49.42	55.83	53.76	60.82	76.30	77.81	77.74	69.74	65.40	42.57	34.74
2016	34.77	M	M	M	60.04	70.80	75.37	80.81	68.74	53.19	47.89	34.24
2017	33.87	40.63	47.53	49.57	63.95	70.39	81.09	81.76	69.69	60.16	44.13	40.51
2018	43.19	41.84	45.69	52.53	63.52	69.35	80.81	78.72	70.09	61.03	49.05	37.10
2019	41.98	33.66	46.89	53.82	61.16	70.87	75.31	78.95	65.16	55.49	51.54	38.49
2020	37.90	46.07	45.33	55.72	62.61	66.37	78.50	75.09	78.34	65.42	44.99	38.19
2021	38.68	41.26	46.07	58.14	62.67	75.50	82.97	75.74	70.03	54.41	48.07	37.44
2022	45.05	48.01	50.52	48.15	56.21	68.03	81.45	83.27	75.10	68.54	40.47	33.62
2023	37.37	38.82	36.68	50.26	62.21	68.67	79.20	78.09	65.44	59.60	47.16	42.50
2024	40.07	41.83	44.57	50.59	60.71	70.54	83.75	76.55	72.87	61.53	39.99	41.30
2025	42.25	38.62	44.07	56.06	62.72	72.04	80.06	80.66	73.49	M	M	M
NCEI Climatology	49.00	53.78	58.01	62.80	71.10	78.51	88.11	87.40	80.79	68.01	54.20	47.20

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	M	M	M	M	53.80	M
2003	36.84	31.19	33.40	31.99	40.91	50.20	58.04	54.97	53.79	45.58	31.07	30.37
2004	29.77	M	29.65	38.06	52.13	M	M	M	45.34	41.72	33.57	31.75
2005	30.32	33.38	34.16	34.95	42.38	42.96	56.18	56.80	47.46	42.12	33.35	30.63
2006	32.63	28.43	29.45	35.11	43.74	51.44	57.60	54.14	51.38	41.62	33.11	29.14
2007	26.06	30.68	35.05	34.68	42.00	45.70	55.19	52.41	50.70	38.71	36.09	26.22
2008	25.19	29.86	31.69	31.98	41.72	45.04	54.68	54.29	52.88	42.86	37.27	26.36
2009	30.74	30.32	29.35	33.63	42.41	47.08	57.05	54.32	52.09	39.83	32.57	26.54
2010	32.54	32.37	30.83	31.35	35.86	44.67	55.22	53.11	50.30	43.08	31.84	29.94
2011	30.73	27.75	30.54	30.61	35.25	44.60	50.34	54.55	54.70	41.96	32.10	29.61
2012	29.71	30.59	33.04	38.42	40.15	42.94	52.45	57.06	54.19	43.96	35.84	26.71
2013	26.22	29.61	33.57	36.19	41.37	47.77	57.89	54.30	48.51	40.83	35.77	26.75
2014	33.87	32.14	33.81	36.43	42.78	45.84	58.85	56.30	53.40	45.70	35.47	33.21
2015	36.26	35.76	38.05	35.05	43.39	53.47	57.79	57.07	50.46	48.26	31.31	27.90
2016	26.77	M	M	M	40.59	48.42	51.85	57.22	48.20	40.68	36.81	24.96
2017	24.88	30.57	34.54	33.48	42.28	49.28	56.27	59.98	51.85	41.54	34.11	30.46
2018	32.79	27.97	30.50	35.14	43.89	45.87	57.73	55.88	48.04	44.28	36.60	28.55
2019	32.28	24.02	31.32	37.96	42.20	47.98	52.35	55.72	47.18	38.02	38.58	30.52
2020	29.17	29.98	29.51	31.85	33.58	36.07	34.22	34.43	34.39	33.19	30.10	30.07
2021	29.27	28.08	28.34	32.20	32.72	34.04	34.62	34.39	33.88	32.46	31.64	28.94
2022	30.72	28.13	30.63	29.45	36.80	47.29	57.91	59.01	53.08	49.47	29.26	26.41
2023	27.92	26.28	25.78	34.40	44.76	48.33	56.87	58.47	49.77	43.81	35.14	33.67
2024	32.06	30.90	31.16	34.90	40.11	49.22	60.50	54.62	52.98	44.85	30.60	31.69
2025	30.05	27.93	31.66	37.66	42.21	49.56	57.53	58.47	55.13	M	M	M
NCEI Climatology	29.61	29.72	31.80	35.19	41.20	45.79	50.60	49.40	43.30	36.10	32.50	29.20

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	M	M	M	53.80	M
2003	40.60	36.64	40.36	38.24	49.80	61.26	69.52	65.65	64.10	54.24	35.39	33.66
2004	33.54	M	34.23	47.00	57.76	M	M	M	55.06	48.76	39.12	35.93
2005	34.84	40.05	42.45	42.29	50.05	52.14	67.16	67.51	57.19	49.03	38.34	34.58
2006	33.04	28.99	30.35	42.87	53.19	60.71	67.67	65.12	61.52	49.97	37.42	33.83
2007	32.33	35.73	42.98	43.57	52.58	56.60	66.47	64.16	61.97	46.07	41.62	30.21
2008	29.46	35.83	38.74	40.16	50.65	56.50	66.38	65.68	64.33	51.40	42.49	31.28
2009	36.50	36.27	36.20	42.59	52.71	56.75	69.42	66.06	63.56	46.98	38.55	31.11
2010	35.94	37.92	38.44	38.94	44.01	54.11	67.02	64.31	60.09	50.79	36.96	33.75
2011	36.11	34.07	35.95	37.82	43.88	54.34	60.82	65.88	65.73	50.07	36.30	35.82
2012	34.64	35.50	37.31	44.37	50.43	52.64	63.68	68.65	65.19	51.47	41.22	30.49
2013	31.28	35.64	41.60	44.54	51.26	58.22	70.15	65.56	57.75	49.70	42.31	32.70
2014	39.60	38.16	41.75	46.10	52.52	57.06	70.96	67.02	63.89	53.90	41.28	37.10
2015	41.97	42.59	46.94	44.41	52.10	64.89	67.80	67.40	60.10	56.83	36.94	31.32
2016	30.77	M	M	M	50.32	59.61	63.61	69.01	58.47	46.94	42.35	29.60
2017	29.37	35.60	41.03	41.52	53.12	59.83	68.68	70.87	60.77	50.85	39.12	35.48
2018	37.99	34.90	38.10	43.84	53.70	57.61	69.27	67.30	59.07	52.65	42.83	32.82
2019	37.13	28.84	39.11	45.89	51.68	59.43	63.83	67.33	56.17	46.76	45.06	34.50
2020	33.53	38.02	37.42	43.78	48.10	51.22	56.36	54.76	56.37	49.30	37.55	34.13
2021	33.97	34.67	37.20	45.17	47.70	54.77	58.80	55.07	51.96	43.43	39.86	33.19
2022	37.89	38.07	40.57	38.80	46.51	57.66	69.68	71.14	64.09	59.01	34.87	30.02
2023	32.64	32.55	31.23	42.33	53.48	58.50	68.03	68.28	57.60	51.71	41.15	38.08
2024	36.07	36.36	37.87	42.74	50.41	59.88	72.13	65.58	62.92	53.19	35.29	36.49
2025	36.15	33.28	37.87	46.86	52.46	60.80	68.80	69.56	64.31	M	M	M
NCEI Climatology	39.30	41.75	44.90	48.99	56.15	62.15	69.35	68.40	62.05	52.06	43.35	38.20

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	78.8%	M	73.6%	56.5%	34.0%	M	M	M	55.5%	61.9%	68.6%	68.9%
2005	67.7%	57.9%	60.1%	66.7%	68.7%	59.0%	47.7%	42.7%	50.9%	55.2%	66.7%	71.5%
2006	M	M	74.2%	64.2%	50.3%	54.1%	45.5%	41.0%	38.8%	48.6%	76.3%	62.0%
2007	57.1%	69.0%	59.8%	61.3%	50.0%	51.9%	48.2%	45.2%	46.5%	62.6%	58.4%	75.0%
2008	70.7%	63.5%	55.1%	56.9%	59.7%	48.1%	42.1%	43.9%	35.0%	48.3%	65.6%	70.3%
2009	60.9%	61.4%	67.9%	55.0%	52.9%	56.6%	36.7%	39.5%	38.2%	61.6%	62.5%	65.8%
2010	75.1%	68.1%	60.7%	62.5%	60.5%	55.9%	42.6%	43.4%	49.6%	55.9%	70.9%	77.7%
2011	64.2%	59.2%	73.2%	65.1%	61.6%	54.1%	52.6%	46.3%	39.6%	57.3%	63.1%	50.1%
2012	60.6%	63.9%	62.0%	64.3%	51.7%	56.4%	47.2%	39.2%	33.5%	51.9%	67.5%	80.5%
2013	62.5%	64.9%	59.0%	56.1%	54.1%	49.7%	37.4%	46.4%	54.3%	48.1%	54.0%	55.7%
2014	50.2%	66.6%	58.9%	55.6%	50.6%	47.1%	40.3%	43.2%	40.8%	51.2%	64.0%	76.5%
2015	54.5%	55.7%	54.1%	54.8%	55.7%	41.2%	40.5%	38.4%	42.2%	45.7%	62.0%	79.4%
2016	68.6%	M	M	M	54.7%	47.3%	44.4%	34.9%	42.4%	66.0%	64.6%	71.0%
2017	69.7%	66.4%	69.1%	59.5%	50.0%	49.1%	39.2%	35.8%	44.7%	43.1%	70.4%	55.0%
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	55.0%	83.3%	64.5%	62.6%	55.5%	49.3%	46.6%	58.4%	M	M	M