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 (USC00087261) 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	M	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	2.76	2.55	3.00	2.62	3.72	7.45	6.06	6.47	6.88	4.49	2.32	2.32

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	M	7.5	9.5
2005	10.3	10.6	10.4	11.9	8.1	8.0	7.6	7.3	10.2	10.5	9.8	11.0
2006	9.5	10.7	10.3	11.1	9.7	8.8	7.0	7.6	7.1	9.1	10.5	9.2
2007	9.5	10.3	9.3	10.4	11.2	9.2	7.5	7.3	9.5	11.5	9.3	7.8
2008	9.8	8.8	10.2	9.5	10.3	6.7	6.3	8.8	9.0	10.3	8.7	7.6
2009	7.8	8.5	9.1	9.6	8.8	7.3	6.7	5.7	6.3	7.5	8.4	8.5
2010	9.2	9.0	10.1	9.9	8.4	6.8	6.9	6.7	8.2	8.2	9.2	10.7
2011	9.6	8.6	9.7	9.5	9.3	8.3	6.7	7.7	9.0	10.6	9.8	8.7
2012	7.4	9.8	9.5	8.9	9.6	9.0	6.5	7.9	7.3	10.2	8.2	7.5
2013	7.6	8.1	8.6	9.0	8.8	7.7	7.6	6.5	7.1	6.7	10.6	8.0
2014	8.1	7.2	8.4	8.6	7.7	7.0	6.5	6.3	5.7	6.3	8.6	6.2
2015	8.2	9.4	6.5	6.3	8.3	7.7	7.9	7.8	8.2	9.7	10.3	10.1
2016	9.9	11.7	10.4	12.0	9.5	9.1	8.1	8.7	8.4	10.9	9.0	9.5
2017	9.9	9.6	9.7	10.2	9.0	6.9	5.7	6.2	6.7	10.8	8.2	6.6
2018	9.9	6.6	8.1	9.4	6.6	4.6	4.6	4.5	5.4	7.2	6.5	6.7
2019	8.9	6.9	8.8	8.3	7.7	6.8	5.4	6.5	9.6	8.1	9.6	8.4
2020	7.9	9.0	8.6	8.9	8.8	6.7	7.2	0.0	0.0	0.0	0.0	0.0
2021	6.1	7.9	9.0	8.6	9.9	8.1	7.1	7.3	6.9	7.0	8.3	6.2
2022	9.2	7.7	9.7	9.7	8.9	5.7	0.0	6.4	6.1	8.2	9.0	7.6
2023	9.3	9.8	9.5	10.4	8.3	9.0	6.7	7.2	7.6	9.6	9.1	8.9
2024	8.9	9.0	8.4	10.5	8.7	11.6	6.4	7.7	7.2	10.7	7.9	8.7
2025	8.5	7.6	9.7	9.6	7.8	9.2	6.6	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	M	69.38	66.45
2005	68.12	68.56	70.07	73.89	79.41	84.36	88.11	88.44	85.34	79.51	75.44	66.03
2006	68.93	66.71	71.08	79.64	82.92	84.62	86.17	87.57	85.16	80.14	71.96	72.01
2007	68.75	67.79	72.01	75.57	78.05	84.68	87.37	88.23	85.22	82.23	73.40	72.88
2008	67.07	71.23	72.06	75.70	83.36	86.66	87.80	86.70	85.76	80.66	72.50	73.23
2009	68.70	68.96	75.32	79.34	83.21	88.40	89.96	89.83	87.14	85.59	76.34	70.61
2010	62.66	62.40	69.08	78.09	84.68	91.28	90.47	90.82	88.58	83.24	76.52	61.96
2011	66.03	72.69	76.07	81.84	86.42	88.34	89.54	91.76	87.99	79.64	76.82	74.79
2012	70.09	72.03	81.53	83.00	84.27	85.88	90.24	88.38	86.32	81.47	70.94	71.89
2013	76.28	72.50	70.11	80.90	80.95	87.74	86.93	89.66	86.78	83.33	75.92	74.04
2014	64.82	70.31	69.57	79.64	83.10	86.90	89.23	89.72	84.80	82.40	71.06	71.89
2015	68.06	67.10	78.39	94.28	85.64	87.08	88.32	87.05	84.80	79.61	78.26	76.30
2016	63.82	68.43	77.23	77.72	83.50	87.08	91.11	87.92	85.10	80.78	75.50	74.33
2017	71.77	74.36	76.94	81.32	85.48	86.96	88.96	89.60	86.51	81.94	75.86	71.43
2018	63.99	77.64	72.35	79.16	81.88	87.92	89.43	89.19	88.82	83.68	76.82	71.02
2019	67.65	75.39	74.27	80.54	85.83	89.60	90.76	89.25	87.86	85.07	74.54	72.70
2020	71.02	73.09	80.89	81.14	84.14	87.14	90.59	M	M	M	M	M
2021	66.73	73.07	74.62	77.18	82.63	86.60	87.39	88.79	86.09	80.88	73.58	75.26
2022	66.95	71.28	77.23	77.72	83.15	87.50	M	88.46	85.74	79.52	76.88	69.39
2023	71.31	77.77	77.93	79.82	82.05	87.17	M	89.75	85.70	81.18	73.82	69.92
2024	68.70	69.30	75.14	78.20	85.59	88.22	89.48	89.54	86.90	81.26	77.24	70.15
2025	62.60	72.95	75.14	80.84	86.52	87.62	89.21	M	M	M	M	M
NCEI Climatology	68.09	70.16	73.40	79.30	83.20	86.80	88.40	88.50	86.20	82.10	75.90	71.39

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	M	64.40	53.80
2005	54.86	55.20	55.77	61.41	68.90	74.66	77.90	77.81	76.46	70.96	65.06	52.79
2006	56.45	52.51	58.94	66.26	68.35	73.88	75.90	75.95	74.30	67.77	59.42	62.77
2007	58.48	53.21	60.74	62.12	69.34	73.82	75.32	76.01	73.76	74.79	62.18	61.32
2008	55.92	58.26	59.52	62.30	70.38	72.62	73.46	75.03	74.54	67.42	54.56	55.46
2009	47.85	49.04	56.27	61.10	68.58	74.24	73.52	75.14	74.66	69.34	62.36	56.10
2010	44.31	45.11	51.20	62.04	69.45	72.92	76.36	76.42	72.98	64.23	58.34	41.00
2011	49.48	53.28	56.27	63.92	67.04	71.96	74.45	75.26	72.78	64.76	61.76	58.88
2012	50.35	59.87	61.82	61.16	69.44	70.64	73.75	72.12	73.10	67.71	53.84	54.59
2013	55.88	53.86	49.07	64.52	65.62	72.50	73.98	73.63	72.98	66.61	64.40	58.30
2014	49.04	54.69	56.45	62.72	67.36	72.68	74.08	75.84	74.24	65.36	55.88	55.34
2015	51.74	49.36	57.49	67.94	70.70	72.74	75.03	75.61	74.72	71.08	70.76	67.54
2016	51.51	51.99	62.48	64.76	68.93	75.26	77.41	77.46	75.86	72.80	63.38	60.86
2017	56.56	59.77	58.13	64.88	66.08	73.16	74.62	74.62	74.36	70.15	62.90	54.35
2018	49.19	60.74	52.38	62.72	69.39	73.40	74.39	74.56	76.28	70.85	61.16	55.28
2019	51.22	58.87	58.07	62.90	70.32	74.06	74.85	75.84	75.97	72.94	59.84	57.95
2020	55.57	55.40	62.02	64.46	67.01	73.28	78.24	M	M	M	M	M
2021	50.00	55.40	59.99	62.60	69.45	74.24	73.11	76.01	74.39	68.09	58.04	58.54
2022	51.34	54.44	60.51	65.18	70.26	73.48	M	75.02	74.49	65.54	65.95	55.11
2023	53.48	58.29	59.99	66.92	68.12	71.51	M	78.28	74.72	69.16	63.08	58.48
2024	53.25	53.23	61.38	61.88	70.96	75.20	75.55	76.94	75.92	71.24	63.32	56.21
2025	47.10	58.74	56.56	64.28	70.55	74.18	75.59	M	M	M	M	M
NCEI Climatology	51.90	52.65	56.60	62.70	68.40	72.79	74.71	74.70	74.30	68.20	62.30	54.20

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	M	66.89	60.13
2005	61.49	61.88	62.92	67.65	74.16	79.51	83.01	83.13	80.90	75.24	70.25	59.41
2006	62.69	59.61	65.01	72.95	75.64	79.25	81.04	81.76	79.73	73.95	65.69	67.39
2007	63.62	60.50	66.37	68.81	73.69	79.25	81.44	82.15	79.49	78.51	67.79	67.10
2008	61.50	64.74	65.79	68.87	76.82	79.64	80.63	80.86	80.15	74.04	63.53	64.34
2009	58.27	59.00	65.81	70.22	75.90	81.32	81.77	82.49	80.90	77.46	69.35	63.35
2010	53.48	53.40	60.14	69.99	77.03	82.10	83.39	83.62	80.78	73.76	67.43	51.48
2011	57.75	62.99	66.17	73.00	76.73	80.15	81.99	83.51	80.41	72.20	69.29	66.84
2012	60.22	65.95	71.54	72.08	76.77	78.24	81.99	80.25	79.70	74.59	62.39	63.24
2013	66.08	63.18	59.59	72.71	73.28	80.12	80.45	81.65	79.88	74.97	70.16	66.17
2014	56.93	62.50	63.01	71.18	75.23	79.79	81.66	82.78	79.52	73.88	63.47	63.62
2015	59.90	58.23	67.94	81.11	78.17	79.91	81.67	81.33	79.76	75.35	74.51	71.92
2016	57.66	60.21	69.86	71.24	76.22	81.17	84.26	82.69	80.48	76.79	69.44	67.59
2017	64.17	67.07	67.54	73.10	75.78	80.06	81.79	82.11	80.44	76.04	69.38	62.89
2018	56.59	69.19	62.37	70.94	75.64	80.66	81.91	81.88	82.55	77.26	68.99	63.15
2019	59.44	67.13	66.17	71.72	78.07	81.83	82.81	82.55	81.92	79.00	67.19	65.33
2020	63.30	64.24	71.45	72.80	75.58	80.21	84.42	M	M	M	M	M
2021	58.37	64.23	67.30	69.89	76.04	80.42	80.25	82.40	80.24	74.49	65.81	66.90
2022	59.15	62.86	68.87	71.45	76.71	80.49	M	81.74	80.12	72.53	71.41	62.25
2023	62.40	68.03	68.96	73.37	75.08	79.34	M	84.01	80.21	75.17	68.45	64.20
2024	60.97	61.27	68.26	70.04	78.28	81.71	82.52	83.24	81.41	76.25	70.28	63.18
2025	54.85	65.85	65.85	72.56	78.54	80.90	82.40	M	M	M	M	M
NCEI Climatology	60.00	61.40	65.00	71.00	75.80	79.80	81.55	81.60	80.25	75.15	69.10	62.80

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	M	64.6%	76.1%
2005	80.1%	78.1%	71.6%	68.7%	75.5%	84.0%	80.5%	80.0%	75.9%	77.0%	77.0%	76.0%
2006	72.4%	73.1%	69.7%	72.0%	69.9%	78.8%	78.7%	79.0%	77.5%	69.9%	75.2%	80.9%
2007	75.9%	69.9%	73.8%	67.1%	70.9%	76.0%	79.7%	77.0%	78.0%	76.0%	74.3%	80.4%
2008	75.5%	74.2%	72.3%	73.1%	70.2%	80.1%	82.0%	83.6%	81.3%	72.5%	76.3%	78.1%
2009	71.6%	68.2%	73.4%	70.9%	81.7%	80.6%	82.2%	83.5%	81.5%	79.4%	76.6%	81.3%
2010	72.1%	69.7%	71.1%	76.2%	78.2%	79.6%	81.0%	82.2%	78.6%	72.0%	74.6%	68.3%
2011	76.5%	82.6%	77.1%	77.7%	76.3%	82.3%	84.8%	84.9%	84.4%	77.2%	73.7%	77.2%
2012	71.7%	75.1%	73.2%	67.8%	74.5%	77.7%	78.0%	83.3%	80.6%	73.0%	76.7%	78.8%
2013	77.9%	70.3%	60.8%	76.5%	74.2%	79.6%	81.5%	77.9%	80.4%	79.6%	78.6%	81.9%
2014	76.1%	82.2%	76.3%	76.9%	76.3%	78.2%	81.7%	80.4%	83.6%	75.0%	76.3%	82.3%
2015	79.3%	73.2%	81.1%	80.8%	73.3%	78.6%	81.4%	82.7%	83.9%	77.0%	79.6%	84.7%
2016	77.9%	72.0%	75.4%	71.0%	72.8%	77.7%	77.7%	80.5%	82.1%	71.8%	70.3%	80.9%
2017	77.0%	77.6%	68.9%	66.5%	70.6%	83.7%	80.3%	80.8%	78.7%	73.9%	80.8%	79.8%
2018	76.8%	81.6%	65.5%	73.0%	80.0%	81.5%	80.5%	80.7%	78.5%	76.3%	78.8%	79.5%
2019	73.8%	81.1%	72.9%	72.6%	74.0%	79.7%	80.2%	82.0%	72.0%	77.6%	77.8%	79.3%
2020	75.1%	76.2%	73.4%	73.0%	72.6%	78.8%	75.9%	M	M	M	M	M
2021	76.5%	78.7%	78.6%	73.3%	70.4%	80.5%	83.6%	81.6%	83.8%	74.1%	78.8%	85.6%
2022	73.1%	81.2%	74.1%	73.2%	78.5%	79.4%	M	83.3%	84.7%	78.5%	84.6%	80.4%
2023	77.5%	80.6%	75.7%	79.7%	78.7%	81.6%	M	85.9%	82.2%	77.8%	84.6%	82.2%
2024	82.7%	82.1%	83.9%	73.7%	80.2%	82.9%	86.5%	85.9%	90.7%	77.1%	77.1%	82.1%
2025	75.7%	84.1%	73.2%	74.9%	82.2%	85.9%	88.5%	M	M	M	M	M