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	0.00	M	0.00	M	0.00	M	M
2001	0.00	0.00	M	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	0.00	0.00	0.00	0.00	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	6.6	9.0	M	13.0	M	M	M	M	M	M	M	M
2001	9.7	10.4	M	11.2	9.9	8.4	8.3	7.5	9.3	6.1	10.4	10.8
2002	7.2	10.0	11.9	10.2	11.2	8.2	9.2	8.9	8.5	8.1	11.0	9.6
2003	10.7	12.0	8.8	10.4	8.5	6.0	5.9	5.9	8.4	8.4	7.9	11.7
2004	5.6	8.9	M	M	M	5.5	9.6	8.2	3.4	4.4	7.8	9.9
2005	10.3	12.5	9.7	11.3	10.3	8.4	9.5	M	M	8.2	8.4	9.7
2006	9.4	12.8	14.5	11.7	10.0	8.9	5.6	14.4	6.4	6.4	8.0	7.2
2007	9.0	11.3	10.7	9.8	10.7	7.7	9.3	8.3	9.2	9.9	10.8	10.6
2008	9.0	7.8	11.5	10.6	10.6	9.2	7.8	7.1	7.8	7.5	8.8	11.2
2009	9.6	10.9	11.7	10.5	7.2	8.5	6.5	5.4	7.3	8.8	7.7	12.0
2010	11.5	11.7	9.9	9.4	10.9	9.5	6.9	7.5	8.4	8.6	9.0	9.1
2011	6.1	9.2	8.4	10.0	10.2	8.6	7.7	6.3	7.4	8.6	9.0	10.3
2012	10.3	10.6	8.6	9.8	8.6	6.6	6.8	5.5	8.5	9.3	9.7	12.2
2013	12.8	12.1	13.5	10.9	13.0	10.2	6.7	7.6	8.6	7.9	9.8	8.8
2014	11.0	10.7	10.9	11.9	10.9	9.1	10.0	7.1	8.9	7.5	9.1	9.3
2015	12.2	12.3	12.7	9.9	9.9	9.5	7.1	7.4	8.7	9.0	9.0	6.8
2016	10.3	11.6	11.9	12.5	12.4	9.3	8.2	8.6	9.1	9.4	9.8	10.0
2017	11.4	9.3	11.1	10.6	8.9	7.4	8.5	6.8	8.6	9.7	9.8	11.3
2018	12.2	11.9	12.4	10.8	10.4	10.4	8.3	7.7	7.0	8.7	9.1	11.1
2019	11.8	10.3	11.1	11.5	11.2	7.6	8.4	6.8	8.1	8.5	10.9	13.7
2020	10.1	11.9	12.3	9.7	11.7	10.8	8.1	8.6	9.2	9.9	7.5	11.9
2021	12.5	10.5	11.2	12.1	10.2	8.8	8.7	8.4	8.9	10.8	9.9	12.4
2022	11.2	11.9	13.0	13.0	10.3	8.6	7.1	7.9	9.0	7.3	10.4	8.8
2023	10.2	9.3	11.5	11.8	11.8	9.4	8.2	9.1	9.4	7.9	10.9	11.6
2024	10.5	11.3	11.3	13.2	10.0	8.9	8.6	7.7	10.0	9.5	8.2	11.4
2025	10.5	10.3	13.1	11.0	11.1	6.9	9.7	8.3	7.5	10.2	9.0	9.0
2026	14.5	14.8	11.5	10.1	10.4	7.0	9.3	6.9	6.8	6.2	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	52.88	53.09	53.60	57.80	71.96	75.20	M	80.60	78.80	66.20	M	M
2001	61.44	59.58	50.00	65.08	74.56	81.56	87.05	87.68	81.98	80.48	69.50	59.17
2002	57.72	61.06	65.21	68.96	73.28	83.66	87.14	85.77	80.30	75.55	68.54	61.50
2003	61.96	54.76	59.52	65.06	75.78	86.90	91.86	91.34	81.20	77.06	69.92	61.15
2004	51.80	57.20	M	M	M	75.20	79.98	80.44	75.29	72.50	65.48	61.38
2005	56.74	55.40	61.85	68.12	75.55	81.32	87.51	78.80	M	74.56	68.78	61.67
2006	58.07	57.14	59.78	64.21	70.45	78.88	84.78	80.00	76.00	72.20	67.50	62.67
2007	63.01	61.76	62.77	67.34	76.01	84.20	88.61	88.90	83.06	74.85	67.76	61.50
2008	62.14	60.55	63.47	68.96	74.15	81.50	86.87	87.34	82.34	75.26	67.32	61.25
2009	59.57	57.02	61.13	64.77	77.41	82.34	89.48	88.21	82.04	73.69	67.88	64.40
2010	60.16	61.89	62.72	68.42	72.94	80.00	87.57	88.44	80.12	73.52	69.14	62.77
2011	59.18	56.48	58.30	65.93	70.15	77.39	84.76	85.67	84.02	73.17	67.52	61.32
2012	57.20	54.97	61.38	67.16	76.30	86.96	91.63	90.88	82.94	78.34	71.66	61.85
2013	60.22	58.74	64.34	69.92	74.91	81.14	87.45	88.03	82.76	79.96	68.72	62.02
2014	61.85	61.64	61.67	67.76	73.52	83.06	85.88	87.92	84.98	77.64	71.18	63.24
2015	59.64	57.84	60.92	66.56	76.42	81.20	90.35	88.09	84.44	77.17	69.38	63.53
2016	61.61	64.77	64.75	71.06	74.33	82.10	87.34	86.17	81.80	78.74	69.74	62.14
2017	57.49	61.57	63.88	67.46	76.48	84.56	89.19	91.57	81.74	74.15	67.40	60.86
2018	61.67	59.64	64.23	69.80	74.10	81.86	88.96	86.75	84.38	75.43	69.68	62.72
2019	57.26	58.87	63.24	65.66	71.72	87.44	89.43	89.37	83.36	77.06	69.44	63.88
2020	59.75	62.48	62.83	68.60	76.48	80.96	88.32	90.70	83.48	74.79	69.86	63.70
2021	62.02	62.47	61.96	66.26	76.71	86.96	90.76	92.10	84.92	73.86	69.50	61.26
2022	57.84	60.09	59.87	65.96	76.25	89.78	91.46	89.77	84.50	77.41	70.10	66.84
2023	61.38	59.84	64.34	66.98	72.70	82.76	94.65	88.50	84.08	81.94	73.28	64.63
2024	62.43	62.97	66.43	69.56	76.94	86.06	91.69	91.40	83.54	78.51	71.12	63.24
2025	63.01	61.64	65.04	67.64	77.35	87.92	91.05	88.21	84.62	76.36	69.68	64.46
2026	61.67	63.24	62.48	70.34	76.30	86.90	93.43	94.25	85.94	76.70	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	51.80	52.83	51.80	54.80	69.80	73.40	M	78.80	78.80	62.60	M	M
2001	52.50	50.06	50.00	54.34	61.26	65.96	71.25	72.92	69.98	66.72	59.24	50.23
2002	47.27	51.99	54.12	55.64	60.28	67.94	72.86	72.88	69.62	64.11	60.02	52.50
2003	50.93	45.82	49.48	54.08	60.74	70.64	75.37	75.37	70.28	65.85	58.34	52.26
2004	46.40	47.30	M	M	M	70.10	75.48	75.59	72.97	69.53	61.34	58.25
2005	46.69	45.56	49.48	53.30	59.99	67.16	72.06	77.00	M	65.50	58.88	52.50
2006	49.83	51.16	54.92	60.71	65.55	73.15	79.83	76.88	74.40	68.40	65.14	59.86
2007	52.73	50.58	51.80	55.94	61.26	68.54	71.02	73.34	69.98	65.45	58.52	53.60
2008	53.43	50.06	53.60	57.20	62.08	68.00	72.99	73.05	69.50	64.17	65.70	59.26
2009	51.07	46.61	50.30	53.67	60.28	66.14	71.19	73.63	69.98	62.25	56.66	55.11
2010	50.99	51.54	52.26	56.24	60.57	65.90	72.06	73.11	69.68	63.99	59.66	52.21
2011	50.06	50.00	52.26	57.67	62.39	71.68	76.38	75.27	69.92	61.90	58.70	52.61
2012	47.50	45.47	49.42	54.68	60.34	69.02	74.39	75.32	70.40	67.36	61.16	52.03
2013	50.81	48.39	53.08	57.02	61.67	66.26	71.60	74.33	70.82	67.71	58.28	51.51
2014	52.50	52.25	50.93	56.24	60.16	67.22	71.14	72.88	72.38	65.74	60.68	53.77
2015	50.12	48.33	51.05	54.14	61.09	67.10	73.69	74.91	71.72	66.03	58.46	52.21
2016	50.75	53.48	52.15	58.64	61.09	67.82	71.48	72.47	70.52	68.23	60.14	53.08
2017	47.10	50.77	52.55	55.40	61.90	69.56	73.57	74.97	68.48	63.24	58.04	51.34
2018	52.73	49.29	53.83	57.26	61.96	67.70	72.94	74.45	71.96	65.33	59.66	53.08
2019	47.39	47.24	52.32	55.04	57.90	70.64	73.98	75.14	71.66	66.08	58.94	55.05
2020	49.42	50.50	52.03	55.22	62.77	66.74	72.35	75.61	71.90	63.06	57.98	54.01
2021	51.86	51.54	51.05	54.98	61.96	69.80	74.68	76.71	73.22	64.05	58.82	51.51
2022	48.08	49.36	48.84	55.04	61.38	71.54	75.03	75.61	73.22	64.69	59.30	56.04
2023	49.94	47.94	52.73	54.20	60.80	67.94	75.66	73.46	70.46	67.94	62.54	56.21
2024	52.50	51.99	54.12	56.84	63.06	70.34	74.56	76.88	71.90	66.72	59.12	53.02
2025	53.19	51.09	55.28	55.58	62.31	70.40	75.14	73.75	71.12	64.40	58.46	53.72
2026	52.55	53.79	51.63	55.64	61.90	71.24	77.52	78.74	72.26	65.60	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	52.34	52.96	52.70	56.30	70.88	74.30	M	79.70	78.80	64.40	M	M
2001	56.97	54.82	50.00	59.71	67.91	73.76	79.15	80.30	75.98	73.60	64.37	54.70
2002	52.50	56.52	59.67	62.30	66.78	75.80	80.00	79.32	74.96	69.83	64.28	57.00
2003	56.45	50.29	54.50	59.57	68.26	78.77	83.62	83.36	75.74	71.45	64.13	56.71
2004	49.10	52.25	M	M	M	72.65	77.73	78.02	74.13	71.02	63.41	59.81
2005	51.71	50.48	55.66	60.71	67.77	74.24	79.79	77.90	M	70.03	63.83	57.08
2006	53.95	54.15	57.35	62.46	68.00	76.02	82.30	78.44	75.20	70.30	66.32	61.27
2007	57.87	56.17	57.29	61.64	68.64	76.37	79.82	81.12	76.52	70.15	63.14	57.55
2008	57.78	55.31	58.54	63.08	68.12	74.75	79.93	80.19	75.92	69.71	66.51	60.25
2009	55.32	51.82	55.71	59.22	68.84	74.24	80.34	80.92	76.01	67.97	62.27	59.75
2010	55.57	56.72	57.49	62.33	66.75	72.95	79.82	80.77	74.90	68.75	64.40	57.49
2011	54.62	53.24	55.28	61.80	66.27	74.53	80.57	80.47	76.97	67.54	63.11	56.97
2012	52.35	50.22	55.40	60.92	68.32	77.99	83.01	83.10	76.67	72.85	66.41	56.94
2013	55.52	53.57	58.71	63.47	68.29	73.70	79.53	81.18	76.79	73.84	63.50	56.76
2014	57.17	56.94	56.30	62.00	66.84	75.14	78.51	80.40	78.68	71.69	65.93	58.51
2015	54.88	53.09	55.98	60.35	68.75	74.15	82.02	81.50	78.08	71.60	63.92	57.87
2016	56.18	59.12	58.45	64.85	67.71	74.96	79.41	79.32	76.16	73.49	64.94	57.61
2017	52.29	56.17	58.22	61.43	69.19	77.06	81.38	83.27	75.11	68.70	62.72	56.10
2018	57.20	54.47	59.03	63.53	68.03	74.78	80.95	80.60	78.17	70.38	64.67	57.90
2019	52.32	53.05	57.78	60.35	64.81	79.04	81.70	82.25	77.51	71.57	64.19	59.46
2020	54.59	56.49	57.43	61.91	69.63	73.85	80.34	83.15	77.69	68.93	63.92	58.85
2021	56.94	57.01	56.50	60.62	69.34	78.38	82.72	84.40	79.07	68.96	64.16	56.39
2022	52.96	54.72	54.35	60.50	68.81	80.66	83.24	82.69	78.86	71.05	64.70	61.44
2023	55.66	53.89	58.54	60.59	66.75	75.35	85.16	80.98	77.27	74.94	67.91	60.42
2024	57.46	57.48	60.28	63.20	70.00	78.20	83.13	84.14	77.72	72.62	65.12	58.13
2025	58.10	56.36	60.16	61.61	69.83	79.16	83.10	80.98	77.87	70.38	64.07	59.09
2026	57.11	58.52	57.05	62.99	69.10	79.07	85.48	86.49	79.10	71.15	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	78.5%	83.3%	M	95.4%	M	M	M	M	M	M	M	M
2001	80.0%	75.5%	M	73.0%	73.2%	66.7%	70.3%	71.2%	75.3%	78.1%	69.2%	72.0%
2002	76.4%	83.0%	75.1%	72.8%	77.6%	61.4%	65.0%	68.2%	73.4%	73.5%	78.7%	79.8%
2003	77.4%	73.3%	78.6%	81.0%	74.0%	62.9%	62.4%	66.0%	78.1%	79.8%	77.2%	72.9%
2004	87.4%	71.7%	M	M	M	59.2%	44.3%	64.9%	65.1%	73.4%	71.8%	73.3%
2005	72.3%	71.5%	76.2%	73.2%	67.2%	68.9%	61.2%	M	M	77.9%	72.8%	73.8%
2006	80.2%	71.6%	70.2%	71.1%	58.8%	66.0%	69.0%	63.2%	66.6%	74.0%	72.2%	73.3%
2007	76.7%	74.8%	80.5%	79.8%	69.3%	67.6%	59.4%	69.0%	69.7%	78.3%	75.6%	76.1%
2008	80.6%	79.3%	79.9%	74.1%	76.0%	66.0%	65.4%	66.3%	70.1%	79.2%	77.9%	71.5%
2009	83.8%	74.4%	76.6%	81.2%	66.5%	66.4%	57.6%	69.2%	71.4%	74.6%	78.0%	73.5%
2010	73.4%	71.7%	80.0%	77.9%	70.3%	66.2%	66.9%	64.9%	73.1%	78.1%	74.1%	73.1%
2011	83.8%	78.9%	79.2%	74.9%	71.1%	70.0%	60.7%	63.6%	68.9%	71.6%	79.3%	75.7%
2012	73.6%	74.3%	80.5%	75.5%	66.1%	63.3%	61.5%	68.6%	75.2%	77.5%	75.3%	71.4%
2013	74.8%	74.0%	75.6%	73.5%	66.1%	61.0%	65.6%	68.8%	73.9%	73.7%	71.7%	75.5%
2014	77.7%	80.1%	76.5%	73.2%	70.0%	61.9%	65.2%	68.3%	69.0%	73.2%	81.5%	74.3%
2015	77.1%	73.7%	81.3%	74.2%	66.3%	71.6%	66.2%	70.0%	69.2%	74.7%	77.7%	80.1%
2016	76.8%	75.6%	70.7%	72.2%	67.6%	64.5%	60.9%	67.9%	71.0%	77.8%	76.2%	75.8%
2017	71.0%	81.6%	76.4%	74.2%	66.1%	62.3%	57.4%	60.7%	70.0%	74.0%	75.0%	67.4%
2018	73.9%	76.1%	75.1%	77.1%	75.8%	69.5%	65.3%	69.8%	70.3%	77.7%	75.3%	73.4%
2019	71.0%	74.5%	79.1%	79.1%	71.8%	59.0%	64.4%	68.4%	75.3%	78.9%	74.1%	80.2%
2020	77.5%	76.8%	77.1%	78.8%	70.1%	69.5%	66.5%	67.0%	75.0%	73.4%	79.7%	75.4%
2021	74.5%	78.4%	76.3%	76.3%	69.1%	60.9%	61.9%	65.0%	74.0%	77.2%	81.8%	76.4%
2022	77.3%	75.9%	73.9%	72.6%	68.5%	53.0%	65.1%	71.1%	72.9%	76.7%	78.1%	85.4%
2023	78.1%	79.5%	76.9%	74.6%	79.1%	68.8%	54.8%	66.0%	68.5%	73.5%	69.3%	74.2%
2024	75.3%	78.1%	77.3%	71.1%	72.1%	65.5%	60.8%	68.4%	73.7%	74.0%	75.5%	72.6%
2025	79.6%	82.2%	80.5%	77.8%	71.8%	61.4%	64.6%	69.7%	72.5%	74.1%	76.4%	81.7%
2026	79.4%	78.8%	80.3%	73.6%	67.5%	67.4%	63.1%	69.3%	71.3%	63.5%	M	M