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	M	0.00	0.00	M	M	M	M	M	M	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	M	M	M	M	M	M	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	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
2026	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	0.9	12.1	M	M	M	M	M	M	M	M	M	7.6
2001	7.1	8.9	8.4	10.0	8.1	9.0	6.3	6.8	5.4	7.5	6.9	6.3
2002	7.7	6.7	8.8	8.7	9.4	7.0	6.6	5.6	7.1	6.1	7.1	7.3
2003	6.6	8.0	8.4	8.5	8.9	9.8	6.0	6.0	5.6	5.8	7.1	7.1
2004	M	11.9	M	M	M	M	8.6	8.4	14.3	7.8	7.2	6.4
2005	8.6	8.1	9.2	9.6	8.9	8.4	8.5	6.0	5.4	7.2	7.2	6.9
2006	8.3	8.7	9.7	9.3	8.6	5.7	5.9	5.0	5.0	5.9	5.1	5.5
2007	7.8	6.5	9.0	8.9	8.1	7.5	7.1	7.1	5.2	6.1	6.1	6.3
2008	6.9	7.8	9.2	9.8	11.0	9.1	7.8	6.9	7.0	6.3	6.1	4.6
2009	7.1	9.0	10.0	11.4	9.2	7.8	8.1	6.1	5.5	7.2	5.5	7.0
2010	7.3	6.8	7.9	9.4	9.4	9.0	7.7	6.4	7.2	6.0	6.3	6.3
2011	6.5	8.1	9.6	10.3	9.8	9.0	6.4	5.0	4.6	5.5	6.1	7.1
2012	7.5	7.4	9.5	9.0	7.7	8.6	6.1	8.3	5.7	5.2	5.4	6.2
2013	7.7	9.1	9.5	11.9	9.7	7.5	6.1	5.7	7.6	5.5	5.4	6.5
2014	5.2	6.8	8.6	9.6	9.0	7.9	5.5	6.2	6.3	5.7	6.4	6.4
2015	6.8	6.8	8.8	10.6	9.2	8.2	6.7	5.5	5.3	6.0	6.7	8.5
2016	6.7	8.3	11.3	9.4	9.7	7.4	6.6	6.7	5.5	5.0	5.9	6.8
2017	8.4	8.4	8.7	10.4	10.1	9.7	5.7	7.7	5.7	5.4	4.8	5.8
2018	6.6	8.7	10.6	8.9	7.4	8.1	5.8	5.9	6.0	6.3	5.7	8.5
2019	6.2	9.3	7.8	10.4	11.3	9.9	6.7	6.9	5.3	6.0	5.3	5.3
2020	7.9	9.9	10.0	11.6	8.4	8.9	6.5	6.1	5.3	7.1	8.7	7.1
2021	7.7	9.2	10.4	10.7	11.1	9.5	7.9	7.9	7.1	5.0	4.9	6.7
2022	5.3	7.6	9.9	10.4	10.4	8.1	7.0	5.9	4.7	4.7	4.9	6.5
2023	8.2	8.1	10.2	9.3	6.6	7.6	6.4	4.8	3.5	5.5	5.1	6.0
2024	7.8	7.9	10.5	9.9	12.2	10.2	6.8	3.9	5.9	6.3	5.3	5.2
2025	6.5	7.3	9.0	9.8	9.6	7.6	4.6	4.1	2.5	2.1	2.6	2.8
2026	4.5	6.1	7.4	8.0	7.3	7.8	5.6	5.1	4.6	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	72.68	88.47	75.20	80.60	94.20	M	M	86.00	M	65.30	M	66.20
2001	79.73	85.10	78.80	87.32	88.38	90.26	92.85	91.46	90.50	87.10	83.66	83.97
2002	82.75	82.66	85.30	89.48	90.76	89.12	91.86	91.40	89.84	88.50	84.50	82.34
2003	79.38	86.19	88.73	87.56	91.98	90.50	91.05	92.33	91.82	90.18	86.60	82.40
2004	M	75.20	M	M	M	86.97	88.23	89.67	87.06	85.66	80.54	74.89
2005	82.69	84.01	86.52	87.98	91.40	91.34	91.28	93.55	93.14	88.87	83.66	82.86
2006	82.28	82.59	85.25	87.20	88.32	89.36	91.17	91.23	92.36	89.08	84.08	83.97
2007	84.66	84.52	81.18	82.76	83.74	85.28	87.22	86.58	84.80	83.62	80.42	80.08
2008	78.51	80.72	81.30	83.12	88.21	87.68	88.61	91.28	88.65	84.49	70.17	71.91
2009	79.50	79.89	82.86	85.70	88.44	89.24	90.59	91.17	91.58	89.37	83.42	83.10
2010	78.10	79.70	80.89	85.34	88.15	88.94	87.92	89.60	87.20	83.85	80.72	76.59
2011	77.37	77.14	78.38	83.94	82.90	81.50	82.87	85.26	86.90	83.33	81.38	80.08
2012	79.67	80.91	83.10	84.50	85.30	85.82	87.51	88.09	87.44	85.42	81.44	80.89
2013	81.47	82.08	79.73	85.10	86.00	86.66	86.93	87.45	85.82	86.00	83.54	82.69
2014	78.68	82.53	83.62	85.22	85.88	86.90	89.77	90.41	88.04	86.17	81.92	81.76
2015	80.77	80.73	84.32	86.24	86.93	87.14	89.14	89.77	89.42	86.17	84.62	83.50
2016	80.54	79.23	83.33	84.92	87.86	87.74	89.43	88.50	88.94	86.58	83.18	83.56
2017	81.53	83.11	82.69	84.44	86.93	87.32	89.60	89.31	88.28	85.42	82.70	81.41
2018	78.22	82.98	82.23	84.68	85.19	85.64	88.55	88.61	87.56	85.54	83.72	81.76
2019	79.55	82.46	83.15	84.98	87.51	89.48	89.89	89.77	88.88	87.51	83.72	82.11
2020	81.88	82.52	83.97	87.68	87.05	87.14	89.08	88.96	89.72	86.64	83.72	81.01
2021	80.37	83.11	83.91	86.54	88.50	87.86	89.54	90.01	88.82	87.97	83.06	82.98
2022	79.90	82.21	84.37	84.98	86.81	87.50	89.83	89.02	87.98	86.41	85.94	82.52
2023	82.28	82.66	84.32	86.30	88.15	89.90	90.76	90.82	89.48	87.51	84.08	81.76
2024	82.81	81.03	85.54	85.76	89.66	88.58	89.48	90.65	89.84	86.64	85.28	81.94
2025	81.35	84.39	85.88	86.12	89.83	89.54	91.11	91.98	89.90	87.16	83.24	82.92
2026	80.37	80.66	84.03	85.76	88.90	88.88	91.05	91.69	91.76	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	70.52	78.50	75.20	75.65	83.84	91.40	M	81.50	M	65.30	M	64.40
2001	59.52	67.42	73.40	70.16	70.09	75.98	72.30	72.82	72.38	73.23	65.12	66.72
2002	64.34	65.11	67.65	67.94	73.86	72.80	73.92	70.96	75.08	74.10	71.72	69.57
2003	62.37	68.39	71.14	67.40	76.36	78.44	76.54	74.85	74.78	73.17	71.18	62.83
2004	M	69.80	M	M	M	83.92	81.03	84.95	83.38	80.51	73.46	67.69
2005	64.63	65.04	69.45	69.44	74.33	76.10	77.35	77.12	75.68	74.07	72.44	69.80
2006	68.93	69.22	71.19	75.20	76.36	78.08	79.90	78.92	77.72	76.88	70.70	72.94
2007	73.52	70.57	67.65	67.64	70.09	73.52	73.63	72.53	72.26	70.79	64.52	64.86
2008	62.77	66.94	67.71	69.92	77.12	76.58	75.84	75.95	76.46	73.11	66.20	68.12
2009	64.69	65.75	68.00	73.52	75.32	76.46	78.16	75.43	74.54	75.32	68.12	70.85
2010	64.81	62.15	60.51	72.86	76.42	77.78	76.88	74.74	74.30	67.07	64.88	57.08
2011	61.36	67.45	69.74	74.94	74.70	76.26	75.27	75.63	72.44	68.46	66.44	67.01
2012	68.29	69.37	71.60	71.30	74.27	76.58	75.37	77.12	74.00	71.19	63.50	66.72
2013	70.55	69.93	66.20	75.14	74.79	76.46	75.03	75.26	75.86	73.52	72.08	71.77
2014	64.46	67.81	70.50	71.96	75.72	77.90	75.95	76.13	75.50	73.17	68.54	68.12
2015	66.61	64.21	72.59	75.98	76.25	76.40	77.46	76.36	75.74	73.81	74.60	74.97
2016	65.91	65.58	73.69	74.96	76.77	76.10	77.35	77.17	76.22	72.59	69.02	71.89
2017	68.58	69.22	69.34	73.16	75.95	78.80	76.54	78.28	75.68	70.26	65.72	61.96
2018	64.63	68.77	67.65	70.58	73.05	76.46	76.30	76.30	75.26	74.33	71.18	69.45
2019	65.91	72.76	69.97	73.76	79.50	79.76	76.94	76.77	75.92	76.59	70.76	66.84
2020	69.63	71.17	73.34	77.54	76.77	78.50	78.05	77.46	77.12	75.66	74.84	67.42
2021	68.35	70.76	72.35	75.62	76.94	77.42	77.70	77.06	76.70	73.46	67.88	70.44
2022	65.45	70.70	72.18	74.78	75.20	75.86	77.00	76.19	74.66	72.06	72.50	70.85
2023	70.50	70.96	72.82	72.92	73.46	77.12	79.85	76.94	74.78	74.74	71.90	68.87
2024	70.67	65.02	74.85	74.66	80.54	78.56	78.45	75.72	77.24	74.68	71.48	69.10
2025	68.46	71.28	71.60	71.48	78.86	78.92	76.42	76.25	74.24	73.23	69.86	69.86
2026	64.05	63.31	72.88	74.72	78.74	80.12	78.51	79.32	78.32	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	71.60	83.48	75.20	78.13	89.20	M	M	83.75	M	65.30	M	65.30
2001	69.63	76.26	76.10	78.74	79.24	83.12	82.57	82.14	81.44	80.16	74.39	75.35
2002	73.55	73.88	76.48	78.71	82.31	80.96	82.89	81.18	82.46	81.30	78.11	75.95
2003	70.87	77.29	79.93	77.48	84.17	84.47	83.79	83.59	83.30	81.67	78.89	72.62
2004	M	72.50	M	M	M	85.45	84.63	87.31	85.22	83.09	77.00	71.29
2005	73.66	74.52	77.99	78.71	82.86	83.72	84.32	85.33	84.41	81.47	78.05	76.33
2006	75.61	75.91	78.22	81.20	82.34	83.72	85.54	85.07	85.04	82.98	77.39	78.45
2007	79.09	77.55	74.42	75.20	76.91	79.40	80.43	79.55	78.53	77.20	72.47	72.47
2008	70.64	73.83	74.50	76.52	82.66	82.13	82.23	83.62	82.56	78.80	68.19	70.02
2009	72.09	72.82	75.43	79.61	81.88	82.85	84.37	83.30	83.06	82.34	75.77	76.97
2010	71.45	70.93	70.70	79.10	82.28	83.36	82.40	82.17	80.75	75.46	72.80	66.84
2011	69.37	72.29	74.06	79.44	78.80	78.88	79.07	80.44	79.67	75.90	73.91	73.55
2012	73.98	75.14	77.35	77.90	79.79	81.20	81.44	82.60	80.72	78.31	72.47	73.81
2013	76.01	76.00	72.96	80.12	80.40	81.56	80.98	81.35	80.84	79.76	77.81	77.23
2014	71.57	75.17	77.06	78.59	80.80	82.40	82.86	83.27	81.77	79.67	75.23	74.94
2015	73.69	72.47	78.45	81.11	81.59	81.77	83.30	83.07	82.58	79.99	79.61	79.24
2016	73.23	72.41	78.51	79.94	82.31	81.92	83.39	82.84	82.58	79.58	76.10	77.73
2017	75.05	76.16	76.01	78.80	81.44	83.06	83.07	83.79	81.98	77.84	74.21	71.69
2018	71.43	75.88	74.94	77.63	79.12	81.05	82.43	82.46	81.41	79.93	77.45	75.61
2019	72.73	77.61	76.56	79.37	83.50	84.62	83.42	83.27	82.40	82.05	77.24	74.47
2020	75.75	76.84	78.65	82.61	81.91	82.82	83.56	83.21	83.42	81.15	79.28	74.21
2021	74.36	76.94	78.13	81.08	82.72	82.64	83.62	83.53	82.76	80.72	75.47	76.71
2022	72.67	76.45	78.28	79.88	81.01	81.68	83.42	82.60	81.32	79.24	79.22	76.68
2023	76.39	76.81	78.57	79.61	80.80	83.51	85.30	83.88	82.13	81.12	77.99	75.32
2024	76.74	73.03	80.19	80.21	85.10	83.57	83.97	83.18	83.54	80.66	78.38	75.52
2025	74.91	77.84	78.74	78.80	84.35	84.23	83.76	84.11	82.07	80.19	76.55	76.39
2026	72.21	71.99	78.45	80.24	83.82	84.50	84.78	85.51	85.04	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	97.1%	68.9%	M	M	M	M	M	M	M	M	M	96.8%
2001	79.9%	80.5%	85.6%	76.4%	77.0%	79.2%	79.7%	82.3%	84.6%	85.0%	83.5%	83.2%
2002	80.6%	82.7%	79.8%	74.5%	75.1%	85.9%	82.2%	85.7%	89.6%	83.2%	81.6%	83.2%
2003	79.3%	79.9%	78.3%	75.9%	77.9%	81.0%	82.8%	83.4%	85.5%	84.8%	82.6%	79.5%
2004	M	55.6%	M	M	M	M	76.0%	75.2%	75.0%	77.4%	81.1%	80.6%
2005	74.7%	74.5%	76.1%	72.6%	75.6%	83.0%	81.8%	81.3%	83.2%	80.4%	75.4%	74.1%
2006	78.0%	75.7%	75.4%	75.9%	77.3%	79.9%	78.8%	78.3%	79.8%	81.7%	82.1%	84.9%
2007	79.0%	80.5%	75.5%	75.9%	78.2%	82.2%	79.3%	82.8%	85.2%	86.4%	81.6%	82.9%
2008	80.8%	79.9%	76.1%	72.3%	70.6%	74.9%	74.6%	71.8%	76.8%	77.8%	81.8%	80.8%
2009	74.1%	67.7%	67.2%	66.8%	69.6%	72.3%	71.6%	73.2%	73.4%	73.8%	77.3%	75.6%
2010	73.8%	75.2%	68.9%	73.8%	72.7%	76.3%	77.8%	78.1%	82.6%	82.5%	81.3%	77.2%
2011	82.4%	78.5%	75.0%	74.5%	72.9%	80.5%	83.4%	82.5%	84.2%	87.7%	82.8%	81.2%
2012	79.0%	81.8%	74.8%	75.5%	81.7%	82.2%	80.3%	78.8%	79.9%	80.9%	75.6%	78.2%
2013	79.4%	76.6%	71.9%	75.3%	75.3%	82.4%	82.7%	82.8%	85.7%	84.7%	85.0%	84.1%
2014	84.1%	81.1%	78.4%	76.7%	78.6%	81.7%	79.3%	77.9%	83.1%	83.5%	77.2%	81.3%
2015	81.2%	78.6%	76.6%	77.3%	74.9%	83.0%	80.6%	82.0%	83.8%	85.9%	84.9%	86.5%
2016	84.0%	76.3%	81.2%	77.3%	76.3%	84.4%	81.4%	85.8%	84.7%	83.0%	79.0%	84.2%
2017	75.5%	75.7%	71.8%	79.6%	80.0%	84.3%	84.0%	82.6%	86.0%	86.7%	84.4%	81.2%
2018	80.0%	77.9%	74.0%	76.2%	82.2%	83.2%	81.4%	81.3%	84.4%	83.6%	83.0%	79.2%
2019	82.4%	77.9%	75.5%	76.4%	78.1%	77.7%	78.5%	81.7%	83.6%	86.2%	84.8%	84.4%
2020	78.7%	76.0%	71.9%	76.3%	81.0%	83.5%	80.8%	84.7%	83.5%	85.1%	82.6%	79.5%
2021	79.2%	78.6%	73.9%	73.7%	74.4%	79.3%	78.1%	78.0%	80.3%	81.9%	84.7%	81.8%
2022	82.0%	78.5%	73.8%	74.1%	76.5%	84.6%	81.6%	83.3%	85.6%	80.3%	82.3%	79.7%
2023	77.4%	78.1%	75.1%	75.3%	77.1%	78.5%	77.9%	80.4%	82.9%	78.6%	82.5%	79.8%
2024	80.4%	76.1%	75.6%	72.6%	75.0%	82.5%	83.8%	83.9%	84.5%	84.3%	84.4%	80.9%
2025	80.9%	78.0%	73.0%	70.4%	75.0%	77.2%	79.8%	81.5%	88.2%	85.1%	82.8%	82.8%
2026	79.3%	74.5%	75.8%	77.2%	78.2%	80.1%	80.1%	78.6%	80.8%	M	M	M