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 (USW00012834) 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
2004	M	M	M	M	M	M	M	M	M	M	0.00	0.00
2005	0.00	0.00	0.00	0.00	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	0.00	0.00	0.00
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	0.00	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	0.00	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	0.00	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	2.73	2.43	3.63	2.23	3.69	6.94	6.01	6.58	7.15	4.85	2.76	2.34

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	5.7	6.5	6.5
2005	6.5	7.4	6.6	7.7	6.1	5.9	4.4	4.2	7.0	7.2	6.2	6.5
2006	5.8	6.9	7.0	7.7	6.6	5.9	4.3	5.0	4.5	4.9	7.2	5.3
2007	6.0	6.3	6.2	7.1	8.6	5.6	4.6	3.7	5.5	6.6	6.0	5.7
2008	6.4	5.7	8.1	7.3	6.8	4.6	3.8	6.7	6.8	7.4	6.4	4.9
2009	6.3	6.9	5.7	7.5	5.4	5.6	5.1	3.5	4.9	5.1	7.9	6.7
2010	6.3	10.9	8.1	6.5	6.7	4.9	5.6	6.0	6.1	5.8	8.2	8.9
2011	10.0	8.0	8.9	8.8	8.7	7.7	5.8	6.7	5.2	7.5	8.1	6.9
2012	7.8	7.4	7.7	7.2	7.3	7.4	5.1	5.6	5.3	8.3	7.3	6.1
2013	6.5	6.7	7.6	7.4	7.2	7.3	5.9	4.7	5.4	5.3	8.6	6.1
2014	7.9	6.1	7.7	7.3	6.4	5.9	5.1	5.7	5.3	4.9	6.7	4.9
2015	6.4	7.7	5.9	5.9	6.7	4.8	5.8	4.9	5.1	6.3	6.9	6.2
2016	7.3	7.8	7.1	8.2	6.8	5.9	4.7	6.4	5.3	7.5	5.3	5.4
2017	7.6	6.9	8.0	7.6	7.4	5.3	5.0	4.6	5.6	9.4	6.6	5.9
2018	8.5	5.9	7.8	7.5	5.6	5.7	6.1	4.8	5.4	7.2	6.1	5.7
2019	7.0	5.4	7.2	6.3	5.7	5.9	3.8	5.3	7.4	5.9	5.4	6.6
2020	5.8	7.3	5.9	7.4	6.9	4.7	5.5	4.6	7.9	5.3	7.6	5.2
2021	5.0	6.1	7.0	6.6	7.4	5.5	5.0	4.6	4.0	4.5	6.3	4.1
2022	6.6	5.2	6.7	7.1	5.8	5.8	4.3	3.9	3.7	3.9	6.7	6.1
2023	5.1	6.8	7.1	6.8	5.7	7.6	4.9	5.0	5.0	6.5	8.3	7.6
2024	8.5	7.6	7.5	7.5	7.1	7.2	4.6	6.5	5.8	8.4	6.9	8.0
2025	8.1	6.7	8.1	7.5	6.2	5.9	6.0	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
2004	M	M	M	M	M	M	M	M	M	77.93	74.31	64.04
2005	65.33	66.70	67.50	73.01	78.80	83.07	88.92	89.02	84.38	77.99	73.70	63.82
2006	67.59	64.40	70.03	78.62	84.43	86.36	87.16	89.19	85.76	81.74	72.53	71.66
2007	68.12	65.96	72.30	75.62	80.14	84.38	86.29	90.65	87.08	83.91	74.24	73.11
2008	67.94	72.28	73.86	78.37	84.95	87.02	87.97	86.41	84.62	78.86	70.58	70.85
2009	66.72	66.71	74.10	77.81	82.75	87.80	87.74	88.28	85.55	83.62	74.27	68.93
2010	60.68	60.03	68.75	77.60	84.66	90.14	90.06	89.95	87.44	82.57	75.56	60.45
2011	64.17	70.64	75.14	81.74	84.03	88.48	88.79	91.28	87.14	78.97	75.62	72.59
2012	69.74	72.34	77.81	80.41	83.62	85.04	89.95	87.68	85.58	80.06	71.27	71.06
2013	73.23	71.41	68.93	77.62	80.08	86.90	86.35	86.56	M	M	69.08	72.47
2014	62.08	67.94	69.97	78.26	81.82	85.94	87.16	88.73	84.48	80.72	69.08	69.45
2015	65.85	64.14	75.37	80.60	82.17	87.53	89.08	88.01	83.16	79.96	74.90	69.80
2016	58.72	66.88	76.77	78.50	82.69	88.23	90.82	88.67	85.58	80.80	75.26	72.70
2017	71.48	73.85	74.10	79.40	84.84	85.10	88.44	88.32	84.65	80.02	74.00	69.16
2018	61.73	74.94	70.61	76.82	80.14	87.14	88.03	87.68	87.56	81.88	74.30	68.81
2019	65.68	73.79	72.18	79.04	84.55	88.70	87.92	88.79	86.47	83.10	72.80	70.67
2020	69.10	70.73	78.92	79.52	81.88	86.42	89.43	86.00	82.40	82.23	76.58	65.62
2021	66.37	71.73	73.28	76.28	81.99	85.52	86.52	87.92	84.26	80.95	70.34	73.98
2022	64.81	69.48	76.13	76.88	82.92	87.02	89.43	88.88	84.60	79.01	75.57	67.54
2023	71.30	76.36	76.88	78.56	80.53	86.25	89.08	89.60	84.86	79.38	73.76	69.57
2024	67.48	70.79	76.13	78.68	86.46	88.64	90.53	90.06	86.78	81.62	77.24	69.51
2025	62.14	73.40	75.20	80.84	87.97	88.22	89.81	M	M	M	M	M
NCEI Climatology	69.00	71.76	75.50	80.20	85.00	88.60	90.20	89.80	87.30	82.21	76.10	71.51

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	66.00	60.67	50.54
2005	50.43	51.17	53.73	57.99	65.15	73.99	75.93	77.41	73.64	69.10	59.48	49.07
2006	50.06	47.11	53.02	63.02	68.46	72.80	75.03	74.15	73.82	65.04	59.00	59.35
2007	54.35	50.19	56.21	59.30	67.57	72.91	73.28	75.43	75.08	75.20	59.72	59.17
2008	53.89	57.57	60.92	61.59	70.55	73.22	75.03	74.97	76.04	66.20	56.60	55.23
2009	50.58	50.71	55.63	62.84	69.16	77.12	75.78	77.12	75.71	71.72	63.67	59.43
2010	45.30	48.39	50.23	59.96	69.97	73.58	74.97	76.77	73.34	61.26	56.06	39.14
2011	47.10	52.19	53.95	61.46	65.04	70.73	73.52	75.08	70.64	62.66	61.34	55.92
2012	47.04	56.52	59.12	61.82	67.42	71.60	73.46	73.40	72.38	66.55	53.35	54.44
2013	55.05	52.31	46.86	63.74	65.39	72.98	73.57	72.61	M	M	55.40	56.10
2014	45.88	51.93	51.57	61.16	65.45	70.34	72.99	74.39	72.71	62.66	52.46	53.37
2015	49.42	47.17	58.71	66.20	68.70	72.13	73.75	74.51	72.64	67.01	63.35	56.20
2016	42.71	49.38	58.71	62.36	65.50	72.97	74.33	75.26	72.38	68.00	57.44	56.39
2017	51.86	55.14	56.56	62.84	65.85	72.62	74.04	74.68	72.69	70.15	61.04	52.90
2018	46.46	59.96	51.80	60.98	67.48	72.56	73.52	74.04	75.02	69.22	60.56	54.76
2019	50.87	61.76	57.55	61.28	68.75	73.52	73.75	75.61	74.67	72.47	58.22	57.26
2020	55.23	55.77	62.89	64.94	67.59	73.82	77.00	79.57	69.80	70.73	66.44	48.20
2021	48.20	54.69	58.36	61.22	67.54	73.22	73.69	75.20	71.60	66.95	55.94	56.74
2022	48.95	52.70	58.19	63.74	68.35	72.62	56.62	76.16	72.70	62.07	64.83	52.73
2023	53.30	56.75	58.65	65.12	65.65	71.66	75.03	76.30	72.92	68.29	61.34	57.14
2024	53.02	52.23	61.09	60.32	69.51	75.32	75.95	76.77	75.50	71.29	61.82	55.05
2025	45.24	57.39	55.11	62.60	69.45	74.18	75.41	M	M	M	M	M
NCEI Climatology	48.49	51.16	54.80	60.10	66.21	71.80	73.50	74.10	72.91	66.70	57.91	52.09

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	71.97	67.49	57.29
2005	57.88	58.94	60.62	65.50	71.98	78.53	82.43	83.21	79.01	73.55	66.59	56.45
2006	58.83	55.75	61.53	70.82	76.45	79.58	81.09	81.67	79.79	73.67	65.77	65.50
2007	61.24	58.08	64.25	67.46	73.79	78.65	79.79	83.04	81.08	79.55	66.98	66.14
2008	60.92	64.93	67.39	69.98	77.75	80.12	81.50	80.69	80.33	72.53	63.59	63.04
2009	58.65	58.71	64.86	70.54	75.95	82.46	81.76	82.70	80.63	77.67	68.97	64.18
2010	52.99	54.21	59.49	68.78	77.32	81.86	82.52	83.36	80.39	71.92	65.81	49.80
2011	55.63	61.41	64.55	71.60	74.53	79.61	81.15	83.18	78.89	70.82	68.48	64.25
2012	58.39	64.43	68.46	71.07	75.52	78.32	81.70	80.51	78.98	73.16	62.17	62.75
2013	64.14	61.86	57.90	70.51	72.73	79.94	79.96	79.59	M	M	62.24	64.28
2014	53.98	59.93	60.77	69.71	73.63	78.14	80.08	81.56	78.59	71.69	60.77	61.41
2015	57.64	55.66	67.04	73.40	75.43	79.83	81.41	81.26	77.90	73.49	69.12	63.00
2016	50.71	58.13	67.74	70.43	74.10	80.60	82.57	81.96	78.98	74.40	66.35	64.55
2017	61.67	64.50	65.33	71.12	75.35	78.86	81.24	81.50	78.67	75.08	67.52	61.03
2018	54.09	67.45	61.21	68.90	73.81	79.85	80.77	80.86	81.29	75.55	67.43	61.79
2019	58.27	67.77	64.86	70.16	76.65	81.11	80.83	82.20	80.57	77.78	65.51	63.96
2020	62.16	63.25	70.90	72.23	74.74	80.12	83.21	82.79	76.10	76.48	71.51	56.91
2021	57.29	63.21	65.82	68.75	74.76	79.37	80.11	81.56	77.93	73.95	63.14	65.36
2022	56.88	61.09	67.16	70.31	75.64	79.82	73.02	82.52	78.65	70.54	70.20	60.13
2023	62.30	66.55	67.77	71.84	73.09	78.96	82.05	82.95	78.89	73.84	67.55	63.35
2024	60.25	61.51	68.61	69.50	77.99	81.98	83.24	83.42	81.14	76.45	69.53	62.28
2025	53.69	65.40	65.15	71.72	78.71	81.20	82.61	M	M	M	M	M
NCEI Climatology	58.75	61.46	65.15	70.15	75.60	80.20	81.85	81.95	80.11	74.45	67.01	61.80

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
2004	M	M	M	M	M	M	M	M	M	73.9%	69.7%	74.1%
2005	76.4%	75.3%	67.5%	70.6%	75.2%	81.3%	76.8%	76.0%	75.1%	75.5%	76.6%	75.9%
2006	71.7%	72.8%	67.5%	68.9%	65.4%	75.2%	75.5%	75.2%	69.8%	63.9%	68.3%	83.3%
2007	80.4%	78.1%	76.2%	64.2%	65.7%	80.0%	86.7%	85.2%	86.2%	84.6%	83.2%	88.3%
2008	80.6%	80.3%	76.0%	72.4%	70.6%	77.9%	84.5%	87.9%	82.7%	68.6%	73.4%	78.5%
2009	68.5%	69.1%	77.4%	73.0%	81.0%	81.0%	82.4%	82.9%	78.5%	79.6%	76.5%	82.3%
2010	72.6%	74.7%	71.6%	76.2%	78.2%	79.1%	80.1%	81.9%	78.1%	67.8%	72.7%	65.6%
2011	75.1%	79.3%	74.4%	72.6%	70.2%	77.0%	80.1%	78.5%	78.5%	72.4%	73.0%	78.0%
2012	73.2%	72.9%	70.2%	64.4%	72.5%	75.6%	73.9%	80.2%	76.4%	71.8%	75.1%	76.8%
2013	74.8%	67.9%	58.7%	74.4%	69.1%	77.0%	78.3%	75.3%	M	M	78.7%	81.7%
2014	77.1%	83.2%	77.0%	77.4%	75.9%	79.7%	83.1%	80.7%	84.5%	76.4%	77.2%	82.9%
2015	80.1%	76.0%	81.5%	81.0%	75.2%	78.0%	81.1%	81.3%	86.4%	77.9%	79.2%	85.0%
2016	72.2%	72.4%	76.2%	70.4%	73.8%	79.4%	79.0%	82.3%	87.3%	77.4%	75.8%	83.0%
2017	79.5%	78.1%	71.9%	71.3%	73.7%	86.1%	82.9%	84.9%	83.6%	76.4%	82.9%	83.4%
2018	79.2%	85.1%	67.7%	76.8%	84.0%	84.2%	84.9%	84.1%	82.8%	80.9%	83.4%	85.2%
2019	81.1%	87.3%	78.6%	79.3%	80.6%	85.1%	86.9%	87.4%	80.4%	84.7%	85.7%	86.2%
2020	81.6%	81.2%	78.4%	79.5%	79.1%	83.4%	73.4%	78.8%	78.6%	83.0%	78.4%	77.8%
2021	77.9%	78.1%	78.2%	73.4%	71.4%	82.5%	86.2%	85.1%	85.6%	81.8%	82.4%	87.3%
2022	76.3%	82.5%	77.4%	74.2%	80.6%	81.6%	84.8%	77.9%	86.8%	81.3%	90.0%	84.1%
2023	81.2%	81.1%	78.0%	81.8%	78.1%	84.7%	88.6%	86.1%	82.9%	82.8%	79.2%	79.9%
2024	78.3%	77.8%	79.1%	72.7%	78.3%	80.3%	84.8%	85.4%	90.4%	86.1%	80.6%	86.4%
2025	79.9%	86.9%	77.4%	80.7%	84.1%	88.6%	90.8%	M	M	M	M	M