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
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	M	M	M	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	4.9	4.8	5.9	6.3	5.8	7.1	7.1	6.7	5.1	3.8	4.4	5.7
2001	4.5	6.1	6.9	5.6	6.9	7.7	7.6	7.4	6.1	5.9	3.8	4.4
2002	6.6	9.5	6.4	5.5	7.4	M	M	M	M	8.0	6.1	5.4
2003	4.4	7.1	7.8	6.5	10.3	10.6	9.6	8.6	5.8	4.8	4.8	5.4
2004	4.7	6.2	6.7	6.2	8.0	9.3	8.9	9.2	8.4	4.5	4.9	4.7
2005	5.2	6.4	6.7	6.5	6.2	8.8	8.6	6.0	5.1	5.7	4.8	4.5
2006	4.8	5.6	6.1	6.2	7.1	8.6	8.9	8.2	6.1	5.9	4.7	5.5
2007	4.6	6.5	6.1	6.2	5.9	8.4	7.2	6.8	4.7	5.6	4.8	4.6
2008	4.8	8.0	8.0	7.2	7.0	8.3	8.0	7.8	7.9	6.0	5.4	4.3
2009	5.3	5.6	5.7	6.9	7.7	7.3	9.0	7.3	6.7	6.4	4.6	5.3
2010	6.7	6.3	7.6	6.4	5.9	5.8	7.3	5.0	5.2	4.7	5.0	5.0
2011	5.6	6.8	5.5	7.4	4.4	6.8	7.3	8.6	4.6	5.3	3.2	4.4
2012	5.1	6.4	6.6	6.1	9.3	10.5	9.0	9.3	5.7	6.5	4.4	5.0
2013	5.9	7.3	9.7	9.7	7.5	10.1	8.4	8.4	5.8	6.5	5.6	5.7
2014	7.4	9.2	6.8	10.3	7.7	9.7	10.5	9.7	7.1	5.1	5.5	5.3
2015	5.3	6.6	6.8	8.6	8.9	9.6	10.1	9.8	5.8	5.5	5.5	8.4
2016	6.5	5.9	9.0	6.6	8.2	8.3	8.2	7.6	5.6	3.1	3.5	5.1
2017	5.1	6.7	6.4	7.6	8.3	9.9	7.8	8.0	7.4	6.2	5.8	5.6
2018	6.3	5.3	6.8	8.6	11.6	9.7	10.6	9.3	7.9	5.8	5.9	7.3
2019	7.1	7.7	7.3	9.9	9.3	9.6	10.0	10.2	7.3	6.1	5.3	5.5
2020	5.4	7.1	5.9	8.1	9.9	9.5	10.7	9.0	6.1	7.6	6.1	4.4
2021	5.3	8.0	5.2	5.3	6.5	6.0	6.2	5.8	4.2	4.3	4.3	3.6
2022	4.5	4.3	5.3	6.0	6.5	6.4	6.1	5.2	4.7	4.3	3.8	4.1
2023	4.6	5.0	6.0	6.1	5.4	8.3	7.2	6.0	5.1	3.7	4.8	3.6
2024	5.0	4.9	6.0	4.9	5.6	5.6	5.7	6.7	4.8	5.4	3.3	3.6
2025	5.0	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
2000	80.66	84.11	84.42	88.23	88.81	90.24	93.29	91.17	90.76	90.74	85.83	84.58
2001	82.66	83.99	87.29	86.69	87.59	91.50	91.85	92.99	94.00	91.10	85.17	84.92
2002	84.13	85.06	88.35	85.99	82.93	84.20	83.75	86.00	84.20	90.28	90.84	86.68
2003	84.18	84.82	90.13	86.89	89.51	89.79	89.83	89.78	90.33	89.19	84.59	82.39
2004	81.65	83.67	84.32	86.37	84.63	89.80	90.12	91.20	88.79	87.92	82.80	81.81
2005	79.65	81.85	89.20	87.94	88.09	89.50	89.47	90.87	91.73	87.70	86.47	84.21
2006	81.89	83.24	85.14	86.50	89.29	91.06	88.75	87.45	92.25	89.46	87.50	84.68
2007	82.67	86.21	85.64	86.39	88.66	91.43	91.38	90.33	91.42	86.70	85.15	82.22
2008	81.34	83.84	86.01	86.62	88.32	89.50	91.52	90.64	88.96	87.58	82.77	82.26
2009	82.37	80.53	80.76	87.54	86.26	89.38	89.91	90.32	92.17	91.23	88.31	85.43
2010	82.73	87.42	87.61	86.63	87.85	89.22	89.88	90.76	89.63	88.74	82.10	80.24
2011	84.17	84.20	85.00	88.05	85.61	87.93	86.76	87.94	89.66	88.85	86.00	83.68
2012	81.76	84.20	83.97	86.24	88.03	92.23	89.95	88.15	90.80	87.92	85.28	82.71
2013	82.05	85.23	84.80	89.12	88.15	87.92	87.86	89.72	91.22	89.08	86.42	83.33
2014	84.08	84.14	86.87	88.82	86.99	90.86	92.21	90.94	89.18	90.24	85.76	82.69
2015	82.81	83.94	84.49	88.70	89.66	90.80	90.88	91.86	90.56	88.52	84.59	83.15
2016	84.20	84.57	88.67	88.10	86.06	89.42	89.83	89.48	88.10	83.81	81.44	82.23
2017	81.94	84.39	83.74	84.62	86.64	89.12	90.24	90.70	90.62	89.37	86.36	84.26
2018	81.94	80.86	85.65	88.34	88.26	91.22	91.28	91.34	90.80	88.44	88.10	86.64
2019	85.48	85.29	87.51	88.40	89.89	92.60	93.08	94.13	92.54	89.95	88.22	85.19
2020	83.62	84.63	83.79	90.44	91.69	92.36	91.63	90.70	91.22	90.41	84.20	83.33
2021	83.68	84.07	85.94	87.38	90.12	88.34	89.31	90.06	92.24	89.83	89.12	85.30
2022	86.29	84.20	86.06	86.66	90.53	93.38	89.95	90.47	90.08	89.95	87.86	84.72
2023	83.27	85.49	88.90	90.26	92.56	94.46	93.95	91.98	93.92	91.98	87.56	84.26
2024	85.59	85.88	89.54	87.50	89.77	91.52	90.59	91.69	93.20	92.85	85.64	84.78
2025	84.88	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
2000	67.58	69.15	68.87	71.77	75.48	76.90	78.26	77.66	77.31	75.84	74.07	73.71
2001	69.83	70.12	72.74	73.70	76.07	78.32	78.39	79.57	78.51	76.90	72.11	70.85
2002	71.17	70.54	71.46	73.20	80.41	81.00	83.75	84.20	84.20	76.18	71.61	67.66
2003	69.24	69.01	70.39	71.85	72.92	73.31	74.15	74.46	73.94	73.77	70.95	68.52
2004	66.23	67.65	68.42	70.57	73.23	74.79	74.16	75.35	75.15	72.60	67.97	67.68
2005	65.06	63.52	70.48	71.91	72.95	74.22	75.20	74.65	74.79	73.26	69.57	65.38
2006	63.68	65.03	66.53	68.05	71.11	73.19	73.13	74.23	72.96	72.14	70.69	68.46
2007	65.05	66.78	68.13	69.99	71.74	73.28	71.73	73.26	71.76	72.12	67.19	66.65
2008	63.10	65.90	65.65	67.44	70.83	70.84	73.66	73.75	73.30	72.37	68.74	64.34
2009	66.81	65.04	64.05	69.60	70.55	72.34	73.84	72.74	72.74	72.59	64.41	68.83
2010	66.77	67.06	69.47	66.46	72.61	72.07	73.39	73.14	72.03	72.05	67.94	64.19
2011	66.12	65.44	64.17	67.34	70.72	73.89	72.79	72.70	72.62	69.97	69.56	66.03
2012	64.86	65.52	65.91	69.20	71.83	72.92	73.75	72.70	72.38	72.59	69.44	66.90
2013	66.43	64.91	68.17	69.98	71.60	72.44	72.70	73.40	72.38	70.38	69.86	67.42
2014	66.78	67.42	66.61	70.46	70.73	73.64	73.57	73.52	72.20	70.67	69.86	66.32
2015	67.42	67.87	67.36	70.16	71.95	73.58	74.04	74.85	73.70	73.70	70.44	71.54
2016	65.74	66.26	69.45	70.82	71.72	73.40	74.21	73.92	73.16	72.63	71.60	68.58
2017	64.05	67.23	68.06	70.28	72.53	73.94	74.04	74.27	70.28	72.59	71.60	67.25
2018	68.75	64.98	66.84	70.28	71.95	72.74	73.05	72.30	71.42	70.79	69.74	67.25
2019	65.45	66.71	67.13	69.92	72.35	73.52	73.69	73.75	73.46	71.66	68.42	68.99
2020	66.72	67.88	66.84	72.44	73.40	74.66	74.10	73.23	72.62	72.99	69.14	66.95
2021	65.50	67.61	66.61	68.18	70.79	72.08	72.35	72.99	72.56	70.79	67.34	66.37
2022	64.52	65.75	66.55	67.52	71.37	72.68	72.06	72.59	70.64	71.08	67.34	63.82
2023	62.89	62.92	64.75	68.54	72.53	74.48	74.45	74.56	74.00	73.34	71.60	67.59
2024	68.29	65.39	69.16	70.34	73.11	74.60	74.68	73.81	74.36	73.52	71.12	69.28
2025	64.48	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
2000	74.12	76.63	76.65	80.00	82.15	83.57	85.77	84.41	84.03	83.29	79.95	79.15
2001	76.25	77.05	80.02	80.20	81.83	84.91	85.12	86.28	86.25	84.00	78.64	77.88
2002	77.65	77.80	79.91	79.60	81.67	82.60	83.75	85.10	84.20	83.23	81.22	77.17
2003	76.71	76.92	80.26	79.37	81.21	81.55	81.99	82.12	82.14	81.48	77.77	75.45
2004	73.94	75.66	76.37	78.47	78.93	82.29	82.14	83.28	81.97	80.26	75.38	74.75
2005	72.35	72.69	79.84	79.92	80.45	81.86	82.37	82.75	83.26	80.48	78.02	74.72
2006	72.79	74.14	75.84	77.28	80.20	82.14	80.96	80.84	82.60	80.79	79.10	76.57
2007	73.86	76.50	76.86	78.19	80.20	82.32	81.55	81.82	81.59	79.42	76.17	74.43
2008	72.11	74.87	75.83	77.03	79.59	80.17	82.59	82.19	81.09	79.98	75.62	73.30
2009	74.59	72.79	72.40	78.57	78.41	80.80	81.87	81.53	82.46	81.91	76.36	77.13
2010	74.75	77.24	78.54	76.54	80.30	80.64	81.63	81.88	80.83	80.40	75.09	72.21
2011	75.15	74.82	74.58	77.70	78.16	80.91	79.77	80.32	81.14	79.41	77.78	74.85
2012	73.31	74.86	74.94	77.72	79.93	82.58	81.85	80.43	81.59	80.25	77.36	74.80
2013	74.24	75.07	76.55	79.55	79.87	80.18	80.28	81.56	81.80	79.73	78.14	75.37
2014	75.43	75.78	76.74	79.64	78.86	82.25	82.89	82.23	80.69	80.45	77.81	74.50
2015	75.11	75.91	75.93	79.43	80.80	82.19	82.46	83.36	82.13	81.11	77.51	77.35
2016	74.97	75.42	79.06	79.46	78.89	81.41	82.02	81.70	80.63	78.22	76.52	75.40
2017	72.99	75.81	75.90	77.45	79.58	81.53	82.14	82.49	80.45	80.98	78.98	75.75
2018	75.35	72.92	76.25	79.31	80.11	81.98	82.17	81.82	81.11	79.61	78.92	76.94
2019	75.46	76.00	77.32	79.16	81.12	83.06	83.39	83.94	83.00	80.80	78.32	77.09
2020	75.17	76.26	75.32	81.44	82.55	83.51	82.86	81.96	81.92	81.70	76.67	75.14
2021	74.59	75.84	76.27	77.78	80.45	80.21	80.83	81.53	82.40	80.31	78.23	75.84
2022	75.40	74.97	76.30	77.09	80.95	83.03	81.01	81.53	80.36	80.51	77.60	74.27
2023	73.08	74.20	76.83	79.40	82.55	84.47	84.20	83.27	83.96	82.66	79.58	75.93
2024	76.94	75.63	79.35	78.92	81.44	83.06	82.63	82.75	83.78	83.18	78.38	77.03
2025	74.68	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
2000	77.9%	75.3%	69.1%	70.1%	69.8%	69.4%	65.9%	70.6%	73.9%	72.5%	73.6%	76.7%
2001	76.1%	73.3%	69.3%	71.2%	74.4%	66.6%	68.5%	68.2%	67.0%	72.0%	75.8%	80.0%
2002	77.4%	70.8%	68.9%	73.5%	48.1%	M	M	M	M	72.5%	76.9%	79.4%
2003	82.3%	81.6%	72.3%	82.2%	75.7%	77.2%	78.8%	79.2%	81.1%	82.6%	89.1%	87.0%
2004	85.0%	83.1%	80.9%	81.6%	84.8%	81.2%	80.6%	78.0%	81.8%	84.2%	87.5%	88.7%
2005	90.2%	79.0%	77.3%	81.1%	85.7%	85.2%	85.6%	85.3%	83.2%	88.9%	88.0%	88.3%
2006	88.8%	86.2%	81.3%	82.9%	80.0%	82.7%	83.6%	84.8%	80.6%	83.3%	86.8%	87.8%
2007	88.5%	82.6%	84.0%	84.5%	87.0%	83.1%	84.7%	86.8%	87.0%	91.4%	88.4%	89.0%
2008	87.2%	83.3%	77.2%	84.5%	84.1%	84.6%	83.6%	83.2%	90.7%	86.5%	88.8%	87.9%
2009	86.7%	87.1%	82.6%	80.7%	86.7%	84.7%	83.3%	83.4%	83.0%	83.6%	84.2%	86.1%
2010	85.7%	82.5%	78.0%	82.0%	86.8%	90.8%	87.5%	87.0%	87.0%	83.8%	85.0%	83.9%
2011	82.4%	81.1%	77.3%	77.5%	87.1%	90.7%	90.7%	88.7%	88.4%	85.5%	86.7%	84.0%
2012	84.8%	80.7%	82.7%	83.9%	81.2%	76.1%	79.9%	83.7%	80.5%	85.3%	86.5%	87.5%
2013	86.9%	79.2%	77.5%	77.9%	86.6%	84.3%	83.2%	82.0%	83.3%	83.1%	82.9%	86.8%
2014	83.4%	82.8%	76.8%	77.4%	81.9%	78.2%	77.2%	80.0%	83.5%	81.0%	86.1%	86.3%
2015	85.6%	80.7%	80.0%	74.4%	75.3%	78.4%	74.8%	76.7%	81.1%	81.9%	83.0%	85.9%
2016	81.7%	82.5%	78.3%	79.1%	83.8%	81.2%	80.0%	82.5%	85.5%	90.2%	92.0%	90.0%
2017	85.2%	79.5%	81.6%	82.1%	81.1%	79.3%	82.6%	79.8%	81.2%	82.5%	85.8%	85.0%
2018	88.8%	89.0%	77.5%	79.1%	80.1%	77.9%	77.6%	79.5%	82.2%	85.7%	84.6%	83.8%
2019	82.9%	78.3%	75.4%	76.4%	79.4%	78.9%	77.9%	76.8%	80.6%	82.6%	81.3%	85.5%
2020	85.5%	84.3%	85.0%	76.0%	76.3%	74.9%	77.0%	78.1%	80.4%	81.0%	86.5%	85.8%
2021	81.9%	81.3%	80.6%	80.0%	80.3%	87.4%	84.3%	83.4%	81.3%	84.2%	81.7%	86.3%
2022	81.5%	86.9%	84.2%	82.6%	81.1%	77.6%	83.4%	83.0%	84.2%	83.3%	85.7%	83.6%
2023	84.8%	81.2%	75.4%	78.6%	79.7%	76.1%	77.8%	83.0%	80.2%	83.7%	86.6%	88.3%
2024	85.8%	82.7%	79.6%	84.9%	83.8%	82.6%	83.6%	81.9%	79.7%	80.0%	86.3%	84.9%
2025	82.3%	M	M	M	M	M	M	M	M	M	M	M