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 () 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
1994	M	M	M	0.00	0.00	M	0.00	0.00	0.00	0.00	0.00	0.00
1995	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1996	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1997	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1998	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1999	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2000	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2001	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
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	0.00	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	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1994	M	M	M	14.1	9.9	M	11.3	10.3	10.9	10.2	11.2	11.5
1995	11.7	11.7	11.4	12.4	11.9	11.4	10.7	9.9	10.8	10.1	9.0	8.6
1996	8.4	7.4	9.4	12.7	9.6	9.7	11.6	9.3	9.3	9.0	11.1	11.2
1997	10.4	11.2	11.9	12.2	10.8	9.7	9.3	9.7	8.7	9.2	9.3	10.7
1998	8.3	12.2	11.1	9.4	10.9	10.9	9.9	9.0	10.0	11.6	8.4	9.4
1999	10.7	10.5	10.9	11.0	11.0	9.9	9.8	8.5	8.8	11.8	11.4	11.7
2000	10.8	11.0	10.7	10.6	9.1	10.2	10.3	10.3	9.0	9.6	11.0	10.0
2001	8.5	11.4	11.7	10.8	8.6	10.9	9.4	9.8	10.8	8.8	10.2	10.2
2002	9.4	11.4	11.5	9.7	9.9	8.2	7.2	8.2	7.8	7.9	10.8	9.6
2003	9.0	10.4	10.4	9.4	9.2	8.1	9.4	8.6	9.3	8.1	10.6	10.0
2004	10.2	10.1	10.3	11.2	10.8	9.6	9.7	8.6	7.9	8.7	10.3	10.0
2005	7.4	8.9	10.2	10.4	9.3	8.6	8.0	8.3	8.9	9.4	9.1	9.0
2006	10.5	9.4	10.6	10.1	9.0	9.4	9.0	7.9	7.2	8.1	6.6	8.9
2007	9.3	10.2	10.9	11.3	8.7	9.1	8.5	8.1	8.6	10.2	9.4	7.7
2008	8.7	7.4	9.9	9.9	8.8	8.7	9.0	7.9	10.4	9.0	7.8	8.1
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	6.0	7.0	7.8	7.4	9.0	9.9
2012	9.5	9.2	9.7	8.7	7.5	7.9	8.4	7.5	6.5	6.2	6.2	8.0
2013	8.5	8.9	10.1	9.2	9.8	7.4	8.7	7.5	6.4	8.6	11.4	9.0
2014	7.9	8.5	9.9	10.5	8.6	6.9	9.2	6.4	7.3	7.9	8.3	7.6
2015	10.5	8.5	7.8	7.5	5.9	7.4	7.7	6.7	5.2	6.4	6.7	7.5
2016	6.2	8.4	7.5	6.9	6.1	6.6	7.4	6.5	5.8	6.5	7.6	7.9
2017	8.1	6.9	9.5	10.5	6.7	1.5	6.9	6.5	5.5	8.3	6.5	7.6
2018	10.2	8.0	8.7	8.7	7.8	8.0	8.8	8.6	7.2	7.1	6.8	6.9
2019	7.3	7.4	7.3	8.0	7.1	7.1	7.4	6.8	5.7	7.0	8.2	6.9
2020	7.8	8.3	7.8	6.3	6.4	7.4	5.9	4.6	4.5	7.4	9.1	7.6
2021	8.1	7.5	9.9	9.2	9.8	5.6	7.5	6.9	6.9	5.9	6.9	7.1
2022	7.6	10.5	9.7	7.7	7.0	6.6	6.4	5.8	4.8	6.3	8.2	7.3
2023	5.4	6.1	8.5	8.9	7.7	6.6	8.0	6.2	6.3	6.1	8.5	5.7
2024	6.4	6.8	7.9	8.0	7.2	5.5	5.4	4.3	3.6	5.4	4.6	4.1
2025	4.0	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
1994	M	M	M	88.00	88.00	M	87.38	86.58	86.80	87.03	84.77	81.32
1995	79.26	81.93	84.65	89.33	95.35	89.47	86.48	88.10	86.97	85.61	84.03	79.10
1996	78.74	81.10	81.68	86.87	89.42	87.53	87.19	86.39	88.73	85.29	81.40	79.94
1997	77.74	78.50	85.77	86.30	87.23	89.43	85.52	87.58	86.20	84.16	82.40	78.55
1998	80.13	84.57	84.48	88.63	92.74	92.60	87.45	86.74	87.43	83.35	82.93	78.19
1999	80.17	80.11	85.00	90.87	91.48	87.93	85.23	87.03	84.87	81.61	79.20	77.68
2000	79.01	82.01	86.87	86.39	88.73	85.89	85.65	86.00	86.63	82.68	83.10	76.94
2001	77.92	79.36	84.86	87.55	86.48	89.33	88.89	87.15	86.10	83.31	82.82	79.45
2002	78.62	76.27	83.39	88.66	88.60	88.37	85.88	87.19	87.09	88.93	81.49	78.92
2003	75.45	82.18	87.77	92.42	94.80	89.65	87.06	87.35	88.83	84.84	82.77	76.52
2004	M	80.60	M	M	M	86.22	85.60	85.55	84.65	84.32	76.10	71.35
2005	79.50	79.96	87.05	87.56	89.77	90.26	88.44	M	82.40	83.85	80.84	78.86
2006	77.93	72.56	76.13	83.04	87.48	82.73	82.62	82.85	81.37	77.40	73.48	72.35
2007	75.61	80.25	80.31	86.66	88.21	88.04	87.63	85.94	85.46	82.86	79.10	80.31
2008	77.70	81.41	82.57	87.08	90.88	84.80	86.58	87.97	84.32	81.76	70.10	70.70
2009	76.54	79.83	83.33	87.20	90.12	88.40	85.71	86.06	86.96	86.81	79.16	77.87
2010	73.92	74.94	78.68	88.28	89.77	89.90	87.97	86.75	86.60	82.46	83.12	76.19
2011	79.73	74.30	78.52	87.27	86.57	83.90	81.05	85.10	83.39	80.02	78.56	75.84
2012	77.17	78.06	81.59	85.64	86.81	86.30	83.39	83.91	82.70	83.90	79.34	80.42
2013	76.59	81.63	79.32	86.62	87.86	88.16	86.93	87.05	87.80	86.06	79.88	78.74
2014	75.66	81.44	84.14	88.46	86.99	87.98	87.28	88.15	87.62	84.66	80.78	78.63
2015	74.68	77.13	80.48	89.54	87.97	87.14	86.35	89.14	88.22	86.52	82.52	82.63
2016	77.17	76.88	85.94	88.64	90.88	89.48	86.12	87.63	86.84	84.84	81.68	81.76
2017	81.24	84.20	83.15	88.46	91.11	88.88	85.48	88.44	87.86	84.26	81.14	77.70
2018	74.97	81.37	84.61	86.12	88.55	88.88	86.41	85.59	87.80	86.52	83.54	82.17
2019	78.16	84.97	82.86	88.16	97.09	92.30	87.68	90.30	89.06	87.86	82.16	81.41
2020	81.18	82.09	86.70	93.86	92.04	88.64	90.06	89.31	88.52	86.64	82.94	78.99
2021	79.73	82.85	85.88	90.98	91.57	91.28	89.43	89.89	90.26	89.60	79.46	79.73
2022	74.74	74.49	79.96	85.94	89.31	82.94	83.21	84.78	82.28	80.89	79.94	76.83
2023	78.28	77.32	83.39	86.24	86.58	88.52	83.97	85.07	84.98	83.27	77.84	75.78
2024	77.12	78.61	83.97	87.38	98.95	94.04	88.61	88.50	89.48	84.14	85.10	80.48
2025	81.20	M	M	M	M	M	M	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1994	M	M	M	73.88	77.00	M	75.62	74.23	74.30	74.90	71.53	70.35
1995	69.10	67.57	70.65	75.10	78.74	77.30	75.00	75.71	74.20	73.84	71.70	69.81
1996	64.29	66.72	67.45	72.97	76.68	74.70	76.29	74.35	76.57	73.03	70.07	69.32
1997	66.45	67.18	72.26	73.20	74.45	76.73	76.81	76.06	74.70	72.52	72.30	66.29
1998	69.16	68.39	70.87	72.23	76.48	79.60	76.10	76.13	75.83	74.45	73.80	68.10
1999	66.90	69.54	70.90	75.00	76.71	76.73	74.97	75.52	74.00	71.58	68.33	66.71
2000	66.45	67.57	71.94	71.85	76.48	74.55	75.39	73.08	75.13	73.35	72.52	67.10
2001	59.16	63.21	69.77	63.98	65.41	67.28	65.59	67.25	67.73	63.88	62.77	59.61
2002	61.86	60.23	65.52	62.65	63.89	63.52	65.73	62.94	70.70	57.15	66.52	60.43
2003	60.75	61.95	62.55	68.37	70.36	74.23	66.77	69.57	60.17	68.06	58.05	60.30
2004	M	71.60	M	M	M	84.65	82.20	83.60	82.13	80.96	72.18	65.77
2005	66.61	65.88	68.81	71.48	76.65	75.56	76.83	M	82.40	73.69	69.62	66.49
2006	66.66	67.61	71.02	79.01	82.61	80.27	80.60	80.90	79.83	77.00	70.43	70.40
2007	67.42	67.36	70.15	73.76	74.62	76.70	76.54	74.97	72.92	70.38	70.10	69.45
2008	68.41	68.99	68.81	70.22	76.19	75.02	74.74	75.61	74.78	72.65	68.60	68.69
2009	66.72	67.16	68.58	72.86	75.08	75.62	77.17	76.01	77.30	74.85	69.20	67.42
2010	63.06	64.27	67.13	75.62	78.45	75.44	76.77	76.25	75.92	69.92	71.24	62.43
2011	68.00	68.30	68.48	80.07	78.14	79.30	76.48	77.52	73.34	69.10	69.08	64.86
2012	65.10	70.11	73.34	71.96	74.79	74.06	74.62	71.83	72.44	72.01	69.68	64.63
2013	64.98	67.16	67.54	71.36	75.61	78.56	76.71	76.30	76.70	76.25	72.02	69.28
2014	64.98	70.31	72.12	74.78	76.01	78.20	77.99	76.88	76.40	74.50	70.58	68.75
2015	65.62	64.91	69.28	76.52	76.83	77.24	78.16	76.83	75.86	75.26	74.00	72.18
2016	66.84	66.82	72.70	76.04	78.16	76.64	77.06	77.58	75.92	73.69	71.66	71.43
2017	67.94	71.15	71.48	74.48	77.23	73.40	77.12	76.88	76.34	73.11	64.04	66.20
2018	60.28	69.41	71.08	70.46	76.19	77.18	76.71	75.84	76.46	74.97	72.86	70.61
2019	69.80	71.79	72.53	72.98	80.19	78.74	77.58	78.57	76.76	76.36	72.62	69.22
2020	71.25	70.86	73.57	78.32	77.93	77.90	79.09	77.52	77.06	75.26	73.94	68.39
2021	71.02	71.02	74.21	77.48	80.66	78.62	79.67	78.68	78.20	77.99	68.66	67.65
2022	64.81	64.14	66.78	71.06	74.21	72.62	74.62	73.46	72.02	70.09	69.62	66.55
2023	66.78	65.94	70.15	71.24	73.81	76.40	74.21	74.79	73.22	72.47	69.32	65.74
2024	67.07	64.83	69.97	72.68	77.99	77.18	76.88	76.13	76.22	73.40	70.46	67.77
2025	72.20	M	M	M	M	M	M	M	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1994	M	M	M	80.94	82.50	M	81.50	80.40	80.55	80.97	78.15	75.84
1995	74.18	74.75	77.65	82.22	87.05	83.38	80.74	81.90	80.58	79.73	77.87	74.45
1996	71.52	73.91	74.56	79.92	83.05	81.12	81.74	80.37	82.65	79.16	75.73	74.63
1997	72.10	72.84	79.02	79.75	80.84	83.08	81.16	81.82	80.45	78.34	77.35	72.42
1998	74.65	76.48	77.68	80.43	84.61	86.10	81.77	81.44	81.63	78.90	78.37	73.15
1999	73.53	74.82	77.95	82.93	84.10	82.33	80.10	81.27	79.43	76.60	73.77	72.19
2000	72.73	75.50	79.40	79.12	82.61	80.22	80.52	79.54	80.88	78.02	77.81	72.02
2001	68.54	71.29	77.32	75.76	75.95	78.31	77.24	77.20	76.92	73.59	72.79	69.53
2002	70.24	68.25	74.45	75.66	76.25	75.95	75.81	75.06	78.89	73.04	74.01	69.67
2003	67.98	72.46	75.53	79.95	83.94	81.37	76.95	78.10	74.99	76.14	70.27	68.27
2004	M	76.10	M	M	M	85.44	83.90	84.57	83.39	82.64	74.14	68.56
2005	73.05	72.92	77.93	79.52	83.21	82.91	82.63	M	82.40	78.77	75.23	72.67
2006	72.30	70.09	73.57	81.02	85.05	81.50	81.61	81.88	80.60	77.20	71.95	71.37
2007	71.51	73.80	75.23	80.21	81.41	82.37	82.08	80.45	79.19	76.62	74.60	74.88
2008	73.05	75.20	75.69	78.65	83.53	79.91	80.66	81.79	79.55	77.20	69.35	69.70
2009	71.63	73.50	75.95	80.03	82.60	82.01	81.44	81.04	82.13	80.83	74.18	72.65
2010	68.49	69.61	72.91	81.95	84.11	82.67	82.37	81.50	81.26	76.19	77.18	69.31
2011	73.87	71.30	73.50	83.67	82.35	81.60	78.76	81.31	78.30	74.56	73.82	70.35
2012	71.14	74.08	77.46	78.80	80.80	80.18	79.00	77.87	77.57	77.93	74.51	72.44
2013	70.79	74.40	73.43	78.99	81.73	83.36	81.82	81.67	82.25	81.15	75.95	74.01
2014	70.32	75.87	78.13	81.62	81.50	83.09	82.63	82.52	82.01	79.58	75.68	73.69
2015	70.15	71.02	74.88	83.03	82.40	82.19	82.25	82.98	82.04	80.89	78.26	77.41
2016	72.01	71.85	79.32	82.34	84.52	83.06	81.59	82.60	81.38	79.26	76.67	76.59
2017	74.59	77.68	77.32	81.47	84.17	81.14	81.30	82.66	82.10	78.68	72.59	71.95
2018	67.62	75.39	77.84	78.29	82.37	83.03	81.56	80.72	82.13	80.75	78.20	76.39
2019	73.98	78.38	77.70	80.57	88.64	85.52	82.63	84.43	82.91	82.11	77.39	75.32
2020	76.22	76.47	80.14	86.09	84.98	83.27	84.58	83.42	82.79	80.95	78.44	73.69
2021	75.37	76.94	80.05	84.23	86.12	84.95	84.55	84.29	84.23	83.79	74.06	73.69
2022	69.77	69.32	73.37	78.50	81.76	77.78	78.92	79.12	77.15	75.49	74.78	71.69
2023	72.53	71.63	76.77	78.74	80.19	82.46	79.09	79.93	79.10	77.87	73.58	70.76
2024	72.09	71.72	76.97	80.03	88.47	85.61	82.75	82.31	82.85	78.77	77.78	74.13
2025	76.70	M	M	M	M	M	M	M	M	M	M	M

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
1994	M	M	M	77.7%	81.5%	M	79.7%	81.2%	80.6%	79.6%	82.3%	84.8%
1995	84.3%	83.2%	80.2%	79.2%	73.3%	78.6%	81.8%	81.6%	82.8%	81.4%	82.8%	87.0%
1996	86.1%	85.6%	82.3%	81.9%	77.6%	81.5%	81.1%	83.9%	80.9%	83.9%	87.7%	87.3%
1997	88.5%	89.2%	83.3%	81.5%	82.6%	79.9%	84.7%	82.4%	83.8%	86.4%	87.9%	85.7%
1998	86.8%	76.4%	80.1%	75.9%	74.9%	74.6%	80.6%	81.7%	80.6%	85.9%	85.0%	85.7%
1999	82.9%	83.6%	79.6%	74.8%	76.5%	79.4%	81.1%	80.3%	85.8%	82.1%	85.1%	86.3%
2000	85.2%	82.5%	81.8%	82.9%	83.4%	83.6%	86.6%	85.4%	86.0%	87.5%	86.5%	88.6%
2001	90.8%	88.4%	85.2%	82.7%	85.5%	83.4%	82.5%	85.9%	87.4%	90.2%	84.4%	89.7%
2002	89.9%	90.9%	85.2%	85.4%	83.4%	84.9%	86.5%	84.5%	84.9%	84.2%	85.7%	87.4%
2003	86.6%	86.5%	81.1%	80.5%	81.5%	83.3%	82.7%	83.5%	82.0%	86.6%	86.0%	86.0%
2004	83.1%	82.7%	82.5%	79.4%	81.2%	81.7%	80.5%	82.5%	83.5%	82.5%	83.9%	85.1%
2005	85.4%	87.4%	79.5%	77.2%	77.9%	78.5%	81.0%	82.7%	81.6%	83.2%	81.3%	85.7%
2006	84.2%	82.5%	76.0%	72.5%	71.8%	80.6%	82.4%	85.7%	87.2%	85.8%	86.9%	90.4%
2007	90.5%	88.2%	86.9%	84.5%	81.6%	82.1%	82.1%	83.7%	84.6%	87.0%	88.2%	87.8%
2008	88.5%	88.5%	83.9%	83.4%	79.8%	86.0%	83.8%	82.2%	85.6%	86.9%	85.2%	84.5%
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	85.7%	80.7%	82.3%	80.8%	76.1%	79.0%
2012	75.9%	73.5%	69.0%	68.2%	71.0%	64.7%	64.8%	70.9%	69.9%	72.4%	68.5%	74.7%
2013	75.0%	72.8%	70.6%	65.0%	67.3%	71.2%	70.2%	73.6%	71.7%	74.4%	81.3%	79.7%
2014	78.5%	74.4%	74.1%	68.0%	68.6%	66.7%	66.0%	67.2%	70.8%	70.6%	74.6%	82.6%
2015	86.2%	85.1%	80.8%	67.4%	68.1%	67.5%	67.9%	64.8%	68.5%	70.1%	74.3%	74.9%
2016	81.0%	79.0%	72.4%	68.1%	69.3%	69.6%	67.5%	70.3%	73.7%	77.9%	77.9%	76.2%
2017	76.5%	76.4%	78.6%	73.8%	73.2%	81.0%	83.2%	82.1%	84.6%	85.1%	85.3%	84.3%
2018	85.5%	82.9%	79.7%	78.7%	76.7%	77.6%	79.7%	80.8%	79.0%	69.7%	79.1%	77.2%
2019	79.7%	77.3%	76.6%	70.9%	67.4%	74.1%	77.7%	76.5%	78.9%	79.5%	82.0%	79.5%
2020	80.8%	80.1%	75.2%	71.8%	73.2%	77.9%	76.7%	79.3%	78.9%	79.2%	81.0%	78.1%
2021	77.6%	76.2%	72.3%	71.9%	72.6%	83.6%	82.8%	85.0%	85.5%	84.7%	87.5%	89.2%
2022	89.9%	88.6%	85.0%	83.0%	81.8%	89.6%	89.5%	88.9%	93.2%	92.0%	93.0%	93.5%
2023	90.6%	90.0%	92.8%	93.0%	86.2%	88.4%	92.6%	91.3%	90.9%	90.3%	92.7%	92.8%
2024	93.3%	90.5%	89.2%	86.2%	76.5%	77.3%	82.6%	84.9%	85.1%	87.4%	84.4%	86.2%
2025	88.0%	M	M	M	M	M	M	M	M	M	M	M