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 (USW00012987) 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
2003	M	M	M	M	M	M	M	M	M	M	2.09	0.02
2004	0.86	0.45	1.02	2.77	2.21	4.38	0.40	0.77	2.77	0.12	0.28	0.20
2005	0.40	0.59	0.91	0.03	0.48	0.00	1.82	0.97	1.38	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.05	6.05	2.52	0.01	2.36
2007	2.14	0.12	0.39	0.12	1.19	0.79	3.01	3.19	0.69	0.38	0.09	0.00
2008	0.33	0.04	0.05	0.84	0.17	0.08	7.43	5.86	2.20	0.33	0.20	0.04
2009	0.03	0.31	0.18	0.00	1.10	0.40	0.15	0.21	1.77	1.32	0.05	0.18
2010	0.35	2.34	0.19	3.25	0.21	6.16	2.96	0.23	4.21	0.00	0.00	0.03
2011	1.28	0.00	0.01	0.00	0.49	1.55	0.28	0.09	0.35	0.03	0.03	1.27
2012	0.02	2.13	0.65	0.43	3.11	0.20	0.21	1.97	0.37	0.01	2.75	0.02
2013	0.75	0.34	0.26	1.81	0.96	0.46	2.13	2.13	6.97	0.31	3.54	2.73
2014	0.41	0.09	1.50	0.09	1.81	0.41	1.43	0.24	9.01	0.93	2.33	0.92
2015	1.19	0.87	1.83	0.98	6.26	4.32	0.12	0.70	2.36	3.73	0.81	0.39
2016	0.72	0.01	1.54	0.45	1.72	2.14	0.11	2.08	2.93	0.68	1.05	0.71
2017	0.53	0.58	4.08	0.62	1.76	0.21	0.16	1.22	6.70	3.03	1.11	0.25
2018	0.32	0.51	0.92	1.23	0.80	8.11	0.18	0.22	14.03	1.51	0.68	0.52
2019	M	M	M	M	M	M	M	0.10	2.30	3.00	2.88	0.59
2020	0.31	0.18	0.25	0.40	2.91	2.53	1.17	0.23	4.93	M	0.11	0.32
2021	1.00	0.04	0.05	2.06	5.76	3.96	7.53	0.20	1.66	2.80	0.78	0.02
2022	0.83	0.66	0.05	2.34	0.02	M	0.31	0.73	0.47	M	1.79	0.71
2023	0.17	0.06	0.74	2.32	4.80	1.73	1.15	0.42	0.94	0.10	2.33	0.51
2024	0.72	2.85	0.79	0.09	1.14	4.17	2.82	0.09	2.57	1.00	0.38	0.62
2025	0.40	M	6.51	0.20	3.46	2.87	0.07	M	M	M	M	M
NCEI Climatology	1.00	1.29	0.86	1.37	2.53	3.40	1.96	1.85	4.67	2.48	1.15	1.11

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	M	M	8.0	7.9
2004	8.2	9.7	9.6	10.0	10.5	9.9	8.1	7.9	5.2	8.9	8.8	7.5
2005	9.3	8.9	9.0	10.1	9.8	10.2	8.8	6.1	4.3	6.7	7.6	7.7
2006	8.7	9.7	11.5	11.7	10.5	8.3	8.6	8.8	7.0	6.4	7.5	7.5
2007	9.0	8.3	10.8	10.2	8.9	9.6	9.3	6.3	5.0	6.5	7.2	8.9
2008	3.9	10.3	12.6	11.2	10.6	11.5	9.7	7.2	5.2	5.3	5.4	7.9
2009	4.6	10.7	10.8	11.7	10.5	9.8	11.5	9.4	6.2	9.4	6.4	7.5
2010	7.6	8.3	9.4	8.7	8.6	8.3	6.7	6.9	6.3	6.6	10.1	9.5
2011	8.3	12.2	10.7	13.1	12.9	10.5	9.5	7.8	7.2	7.8	9.8	3.3
2012	5.7	8.5	11.0	10.4	9.5	8.8	10.2	8.6	7.9	8.7	7.1	8.3
2013	9.1	9.3	10.5	11.1	11.5	10.1	9.5	7.8	5.0	4.8	7.4	7.0
2014	7.1	9.1	9.1	9.4	9.9	11.1	9.2	9.1	6.6	5.7	7.3	6.7
2015	6.4	8.1	6.5	8.0	9.9	7.0	9.9	7.3	5.8	6.6	7.1	7.7
2016	7.1	8.5	7.1	7.9	8.6	6.8	11.1	8.1	6.2	5.5	6.1	7.2
2017	8.5	9.1	9.3	9.4	9.7	8.2	9.2	9.5	7.1	5.5	6.1	6.5
2018	7.3	9.5	8.9	9.3	9.2	10.0	8.2	9.2	6.2	7.4	7.3	7.8
2019	7.9	7.8	9.2	9.2	11.4	8.7	9.1	9.3	7.1	7.7	7.6	6.6
2020	8.3	9.6	10.6	8.4	9.9	8.2	10.2	7.0	7.2	6.6	6.4	7.6
2021	7.2	9.7	10.4	9.7	9.7	7.6	6.7	6.9	5.9	6.9	5.9	7.8
2022	7.0	8.6	9.7	12.9	10.9	8.8	10.2	8.3	4.8	6.5	8.5	7.5
2023	8.6	10.2	10.9	9.2	7.1	10.3	10.3	9.2	7.1	10.4	7.4	6.4
2024	9.0	10.2	10.0	12.3	11.2	10.5	8.2	7.4	7.3	6.7	8.5	8.1
2025	9.5	10.5	11.2	12.2	11.2	10.1	11.3	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
2003	M	M	M	M	M	M	M	M	M	86.90	81.85	76.64
2004	78.35	72.53	88.13	83.73	87.74	92.98	95.83	95.45	90.17	91.17	81.34	70.20
2005	73.52	72.34	80.66	85.67	89.78	95.78	96.01	97.21	94.64	86.23	80.96	70.15
2006	76.54	75.39	83.39	91.88	94.36	96.35	92.89	95.72	89.60	83.91	78.98	68.17
2007	68.87	74.04	83.62	85.10	91.52	95.87	93.85	94.54	92.84	90.99	81.14	78.74
2008	70.67	82.15	84.03	87.55	93.32	96.25	90.93	92.74	87.48	85.55	79.10	76.60
2009	77.14	82.29	83.39	90.20	94.00	97.87	102.20	101.10	92.91	89.29	80.47	65.67
2010	70.23	68.56	79.86	85.08	92.82	96.52	94.12	99.74	93.09	89.26	83.32	77.77
2011	72.65	76.10	88.85	94.74	94.05	97.76	97.63	102.54	100.80	92.06	87.39	74.54
2012	76.86	79.73	85.49	91.81	93.72	99.10	99.48	100.81	96.88	91.32	81.82	78.49
2013	72.84	81.61	82.49	85.01	91.03	98.33	97.77	98.52	91.63	89.88	76.33	67.55
2014	67.60	69.85	76.63	87.76	90.60	97.68	98.77	101.20	91.66	90.09	74.23	72.92
2015	65.34	72.45	75.88	85.97	90.15	94.03	97.00	99.08	95.25	90.71	80.85	78.15
2016	72.22	82.05	86.20	89.86	92.71	95.67	101.11	101.05	97.35	94.63	85.28	76.82
2017	79.20	86.59	85.23	91.56	96.41	99.69	100.85	101.33	96.40	87.85	83.75	70.04
2018	69.08	79.03	86.06	86.38	96.19	97.76	99.40	101.42	93.72	84.05	74.96	75.26
2019	71.41	75.92	77.29	86.85	92.84	97.96	98.37	102.58	94.29	88.09	76.35	74.41
2020	76.06	74.88	86.09	88.39	92.29	93.41	96.42	95.97	89.29	88.59	84.28	75.10
2021	73.32	70.14	82.44	86.20	88.62	91.77	91.82	95.45	93.90	90.32	72.42	80.43
2022	69.07	68.88	80.49	87.48	92.90	96.05	99.65	97.05	92.95	87.55	73.95	72.82
2023	77.76	78.94	84.56	83.63	89.59	99.03	99.50	101.35	99.88	87.21	75.78	74.99
2024	70.87	78.73	82.39	89.22	97.68	98.38	95.58	100.75	94.58	92.02	85.89	73.64
2025	65.96	76.66	87.63	87.87	93.43	94.48	92.81	M	M	M	M	M
NCEI Climatology	71.70	76.48	81.30	87.30	92.50	95.50	97.50	98.20	93.61	88.01	79.61	72.60

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	M	76.10	57.69	44.90
2004	53.13	50.23	62.31	69.00	67.81	73.89	73.62	74.05	71.49	70.05	57.19	46.92
2005	53.36	55.56	56.81	60.11	68.28	73.53	74.37	74.74	73.46	63.82	55.76	49.42
2006	50.93	49.42	62.43	70.70	72.82	75.71	74.08	78.26	71.30	65.85	53.72	48.14
2007	45.76	52.25	64.05	66.53	72.24	77.80	78.37	76.48	73.70	63.24	58.28	53.48
2008	48.66	56.89	57.43	64.46	73.52	74.36	74.74	76.19	69.68	61.67	54.74	52.21
2009	50.53	57.46	59.87	66.08	73.79	76.36	78.37	76.48	74.46	68.52	56.21	48.68
2010	48.83	48.84	54.85	66.78	72.98	77.25	77.95	77.47	74.54	62.56	57.80	51.81
2011	49.35	49.82	56.04	61.08	71.64	74.83	77.41	77.23	73.18	62.68	54.60	49.56
2012	54.21	53.88	63.12	69.23	72.39	76.07	77.31	77.20	74.05	68.59	61.59	56.25
2013	52.48	58.02	58.41	64.60	72.19	77.40	77.03	77.35	74.44	66.64	56.58	49.38
2014	44.66	52.43	56.17	64.88	69.04	77.56	76.76	78.04	75.18	67.21	53.45	56.49
2015	46.08	51.13	58.45	69.46	73.75	75.25	77.30	75.46	73.43	68.61	62.28	53.88
2016	47.15	51.35	65.28	67.07	73.16	75.17	79.58	77.67	75.27	67.05	63.00	57.54
2017	53.98	61.61	65.39	66.46	70.09	74.97	76.61	77.82	73.89	65.63	61.47	52.72
2018	44.62	60.51	64.52	64.24	72.36	77.78	77.05	76.97	76.72	67.97	54.60	50.99
2019	57.13	61.83	61.51	64.51	75.97	78.02	76.90	78.78	74.63	63.68	54.34	48.75
2020	53.58	50.65	65.27	66.84	70.85	72.90	75.48	74.15	67.81	57.17	54.66	46.20
2021	47.33	47.21	57.51	65.39	70.13	74.09	74.71	74.35	70.86	68.38	52.74	59.25
2022	45.42	42.97	52.10	71.79	73.54	73.66	75.44	75.32	69.96	62.00	56.66	52.33
2023	53.00	53.51	62.57	63.75	70.37	75.91	76.97	76.48	74.04	70.13	57.16	52.42
2024	46.47	54.44	61.28	67.41	76.61	77.55	75.84	75.80	74.33	65.75	61.33	57.01
2025	45.35	54.47	60.89	66.58	73.82	75.74	76.96	M	M	M	M	M
NCEI Climatology	48.70	53.39	58.60	64.20	70.60	74.20	75.31	75.50	71.70	64.40	56.19	50.31

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	M	81.50	69.77	60.77
2004	65.74	61.38	72.12	76.36	77.77	83.44	84.73	84.75	80.83	80.61	69.26	58.56
2005	63.44	63.95	68.74	72.89	79.03	84.66	85.19	85.97	84.05	75.03	68.36	59.78
2006	63.73	62.41	72.91	81.29	83.59	86.03	83.49	86.99	80.45	74.88	66.35	58.16
2007	57.32	63.14	73.84	75.81	81.88	86.83	86.11	85.51	83.27	77.12	69.71	66.11
2008	59.67	69.52	70.73	75.79	83.42	85.24	82.97	84.46	78.51	73.82	66.92	64.41
2009	63.84	69.88	71.63	78.14	83.90	87.11	90.28	88.79	83.69	78.90	68.34	57.18
2010	59.53	58.70	67.36	75.93	82.90	86.89	86.04	88.61	83.81	75.91	70.56	64.79
2011	61.00	62.96	72.44	77.91	82.85	86.30	87.52	89.88	86.99	77.37	71.00	62.05
2012	65.54	66.81	74.31	80.52	83.06	87.59	88.32	89.00	85.49	79.95	71.71	67.37
2013	62.66	69.82	70.45	74.81	81.61	87.86	87.40	88.03	83.04	78.08	66.46	58.46
2014	56.13	61.14	66.40	76.32	79.82	87.62	87.77	89.62	83.42	78.65	63.84	64.70
2015	55.71	61.79	67.16	77.72	81.95	84.64	87.15	87.27	84.34	79.66	71.57	66.02
2016	59.68	66.70	75.74	78.46	82.94	85.42	90.35	89.36	86.31	80.84	74.14	67.18
2017	66.59	74.10	75.31	79.01	83.25	87.27	88.73	89.58	85.10	76.74	72.61	61.38
2018	56.55	69.77	75.29	75.31	84.28	87.77	88.23	89.20	85.22	76.01	64.78	63.12
2019	64.27	68.87	69.40	75.68	84.40	87.99	87.63	90.68	84.46	75.89	65.34	61.58
2020	64.82	62.76	75.68	77.62	81.57	83.15	85.95	85.06	78.55	72.88	69.47	60.65
2021	60.32	58.68	69.97	75.80	79.38	82.93	83.27	84.90	82.38	79.35	62.58	69.84
2022	57.25	55.93	66.30	79.63	83.22	84.86	87.55	86.18	81.45	74.77	65.30	62.57
2023	65.38	66.22	73.57	73.69	79.98	87.47	88.24	88.91	86.96	78.67	66.47	63.70
2024	58.67	66.58	71.84	78.32	87.15	87.96	85.71	88.27	84.45	78.88	73.61	65.32
2025	55.65	65.57	74.26	77.23	83.62	85.11	84.89	M	M	M	M	M
NCEI Climatology	60.20	64.93	69.95	75.75	81.55	84.85	86.40	86.85	82.66	76.20	67.90	61.45

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
2003	M	M	M	M	M	M	M	M	M	M	72.6%	63.3%
2004	73.8%	70.8%	73.1%	79.7%	76.5%	73.3%	70.7%	68.8%	77.2%	72.9%	69.0%	69.9%
2005	75.7%	76.8%	68.3%	59.7%	68.3%	64.3%	68.8%	70.7%	74.7%	73.7%	70.7%	74.9%
2006	67.9%	68.6%	71.7%	67.4%	67.6%	67.5%	77.7%	63.2%	74.5%	79.8%	72.7%	78.4%
2007	83.2%	73.3%	67.5%	70.9%	68.4%	67.3%	73.6%	82.6%	84.3%	75.1%	78.4%	72.0%
2008	74.3%	66.1%	59.8%	62.9%	67.6%	63.0%	77.3%	79.1%	78.0%	75.4%	76.1%	67.2%
2009	63.3%	64.8%	64.5%	59.2%	66.2%	66.4%	59.5%	60.4%	72.6%	67.6%	70.4%	77.4%
2010	69.7%	74.0%	63.0%	72.4%	68.1%	71.1%	75.2%	66.1%	75.4%	65.9%	63.8%	62.9%
2011	70.4%	64.3%	66.2%	60.6%	65.2%	64.9%	67.1%	61.3%	57.4%	57.4%	56.4%	73.7%
2012	64.8%	77.3%	67.8%	64.7%	67.2%	63.1%	61.6%	60.6%	61.6%	60.4%	65.6%	61.0%
2013	67.3%	57.0%	54.9%	65.3%	64.6%	61.9%	61.6%	63.5%	75.3%	66.1%	70.5%	74.0%
2014	67.0%	75.0%	72.3%	63.7%	63.8%	63.5%	63.1%	60.3%	75.7%	70.9%	70.5%	78.6%
2015	73.9%	72.9%	76.4%	75.1%	74.1%	72.6%	66.5%	64.7%	71.1%	70.6%	73.6%	70.1%
2016	66.7%	57.3%	66.6%	67.8%	69.0%	70.8%	60.8%	63.5%	67.5%	64.5%	70.3%	71.9%
2017	63.5%	65.2%	69.0%	61.5%	63.2%	62.3%	61.8%	59.2%	68.4%	66.7%	71.9%	78.0%
2018	64.8%	74.4%	62.6%	65.4%	63.3%	66.8%	63.9%	60.4%	74.5%	78.3%	73.7%	65.4%
2019	70.6%	74.4%	70.7%	65.5%	70.3%	68.4%	64.6%	60.6%	73.1%	67.8%	72.6%	68.9%
2020	68.5%	67.1%	67.7%	68.8%	69.3%	70.4%	67.8%	65.7%	73.1%	69.7%	72.1%	65.4%
2021	71.6%	79.0%	68.5%	73.4%	80.7%	81.5%	83.2%	78.1%	76.3%	73.0%	80.5%	82.2%
2022	73.7%	75.5%	67.2%	78.8%	76.0%	73.9%	69.1%	75.9%	79.6%	70.7%	81.1%	75.2%
2023	72.9%	70.0%	71.0%	79.7%	80.1%	72.1%	70.7%	67.0%	69.9%	70.5%	76.1%	76.1%
2024	68.6%	69.9%	74.4%	69.3%	73.7%	72.4%	77.4%	68.7%	75.7%	72.6%	65.7%	81.6%
2025	70.0%	71.3%	61.3%	69.7%	71.9%	75.9%	76.6%	M	M	M	M	M