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 (USC00417677) 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	0.51	0.00
2004	0.37	0.87	0.62	4.35	2.84	M	0.10	1.88	2.50	1.53	1.78	0.05
2005	1.35	3.09	1.60	0.07	1.07	1.14	2.17	1.95	2.08	1.33	0.51	0.12
2006	0.07	0.01	0.17	0.55	1.03	1.20	4.80	0.36	4.45	1.55	0.07	1.61
2007	3.06	0.05	1.74	0.46	2.55	0.02	1.48	2.86	2.77	0.46	0.45	0.20
2008	1.26	0.25	0.50	0.66	1.17	0.90	1.22	2.41	0.56	1.52	0.41	0.14
2009	0.10	0.08	0.29	0.10	1.62	0.04	0.10	0.50	3.20	2.62	1.37	2.01
2010	2.83	3.03	0.54	2.18	0.45	2.26	3.70	0.27	4.36	0.02	0.56	0.18
2011	1.19	0.02	0.29	0.00	1.70	0.18	0.85	0.09	0.88	1.94	0.27	0.76
2012	0.16	4.00	2.38	2.04	0.40	0.59	0.94	0.93	1.68	0.39	0.24	0.02
2013	0.42	0.49	0.08	1.35	1.70	0.48	2.52	0.24	0.42	M	M	0.25
2014	0.07	0.09	1.59	0.26	2.95	16.94	2.08	0.45	3.91	1.21	0.43	0.34
2015	0.17	0.58	3.08	2.70	6.68	1.66	0.71	0.85	2.02	1.40	1.85	0.47
2016	1.32	M	0.44	3.31	1.89	3.30	0.00	4.03	3.08	0.55	1.15	2.77
2017	0.27	0.59	2.33	0.43	4.54	3.06	0.59	3.00	0.51	3.27	0.04	1.64
2018	0.55	0.57	1.38	0.25	1.74	3.26	2.40	2.12	6.95	1.36	2.86	0.71
2019	M	M	M	0.52	1.31	4.35	0.09	0.36	1.35	0.90	2.17	2.16
2020	0.36	0.07	0.49	0.50	5.94	4.34	2.15	0.09	M	1.31	1.01	0.37
2021	0.59	0.06	0.17	0.70	8.40	3.26	4.50	0.78	2.93	3.94	0.36	0.24
2022	0.47	0.15	0.19	0.26	1.91	0.46	1.99	3.32	0.27	0.77	1.81	0.04
2023	0.18	0.04	0.77	4.30	0.72	0.28	0.26	3.02	1.29	2.85	1.66	0.48
2024	1.10	0.17	0.43	0.05	0.08	0.20	0.04	1.26	2.81	0.11	0.09	0.37
2025	1.11	0.06	1.40	M	0.74	2.83	M	M	M	M	M	M
NCEI Climatology	1.54	1.57	2.15	1.70	3.31	3.03	2.75	3.02	5.02	3.27	2.14	1.67

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	9.7	10.0
2004	10.0	10.8	11.4	11.8	9.3	M	7.1	8.2	6.3	10.2	10.3	8.5
2005	10.8	10.3	10.1	11.5	9.2	8.4	8.0	9.2	7.9	8.4	9.3	9.3
2006	10.2	11.5	13.7	13.1	11.4	8.4	7.3	8.9	7.9	8.3	9.9	9.2
2007	10.8	9.5	13.0	10.8	7.9	0.0	0.0	5.2	6.1	7.2	8.7	10.9
2008	10.8	11.4	14.1	12.1	11.2	10.6	8.2	7.5	7.3	7.5	8.4	11.1
2009	10.2	12.5	13.2	14.9	12.4	10.2	12.7	10.8	5.6	11.2	8.1	9.0
2010	10.9	10.2	10.7	11.8	10.0	8.8	7.4	6.5	6.8	7.0	10.5	9.7
2011	9.3	13.0	12.3	15.1	13.4	11.0	11.2	10.7	8.4	9.1	11.6	10.6
2012	10.0	9.9	12.8	12.0	9.8	8.7	9.3	9.6	8.6	9.7	8.4	10.1
2013	10.7	10.9	12.1	13.3	14.2	9.2	7.1	6.4	2.3	M	M	8.9
2014	9.5	10.5	11.4	12.0	11.7	11.7	8.6	9.0	8.3	7.9	10.2	9.5
2015	8.7	9.9	0.7	1.0	11.0	6.9	10.4	8.3	7.4	8.8	9.3	9.6
2016	9.0	10.4	11.5	10.2	9.6	6.7	11.0	8.3	6.8	7.2	8.4	9.2
2017	10.8	9.6	7.3	11.3	10.1	7.7	8.7	10.9	8.6	7.8	8.3	7.8
2018	9.2	11.4	11.1	11.6	10.3	10.5	7.8	8.7	7.4	9.0	8.6	8.5
2019	M	M	M	12.4	11.8	8.8	9.4	9.7	8.5	9.5	8.7	7.3
2020	9.6	10.8	12.7	10.0	9.8	7.7	9.2	7.1	2.1	8.2	8.0	8.8
2021	8.9	10.7	12.1	11.2	10.3	7.6	6.8	7.2	6.9	7.8	8.3	9.6
2022	8.6	10.5	12.0	14.3	13.8	10.4	11.3	6.6	0.0	0.0	0.0	1.0
2023	8.0	11.2	12.2	9.6	7.1	9.1	9.5	9.0	7.0	7.8	7.1	6.7
2024	8.6	9.4	9.8	11.3	9.8	8.9	7.0	6.6	6.4	7.2	8.2	7.8
2025	9.0	10.1	11.6	13.1	10.7	9.5	M	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	82.40	77.80	70.78
2004	66.58	67.72	78.39	79.77	79.73	M	94.82	93.90	88.77	88.57	76.64	67.50
2005	69.32	70.64	80.19	82.79	88.77	92.99	102.12	105.55	94.64	85.88	79.94	65.91
2006	69.39	67.55	75.03	85.40	90.18	92.42	89.19	93.78	87.32	83.33	76.70	65.85
2007	64.23	69.66	78.34	78.32	85.42	88.93	81.54	94.88	92.84	88.09	76.16	72.76
2008	64.63	76.26	77.99	82.52	87.39	92.84	89.73	87.00	86.60	84.62	78.38	71.08
2009	72.35	77.51	78.60	86.51	90.52	94.38	99.56	99.19	91.40	85.35	76.35	60.87
2010	64.52	63.30	76.66	81.03	89.94	93.95	92.97	98.44	90.65	87.89	78.19	74.08
2011	68.00	71.44	80.50	89.21	88.54	94.67	97.65	100.56	97.80	86.70	79.95	69.35
2012	74.66	70.32	81.39	86.88	89.58	94.85	95.76	99.15	94.49	87.18	79.99	76.34
2013	73.16	75.18	79.69	82.17	88.09	96.04	95.84	98.31	90.50	M	M	65.75
2014	68.20	70.33	73.35	84.72	86.21	92.95	95.53	96.53	91.15	87.62	70.48	68.99
2015	62.18	67.94	72.01	82.40	86.71	91.82	94.83	97.59	93.09	88.43	77.64	73.48
2016	67.95	77.78	80.08	83.86	87.39	91.25	96.56	95.58	94.38	90.35	81.69	70.06
2017	74.90	81.75	80.39	87.02	88.74	92.23	95.80	95.93	91.79	85.44	80.72	65.32
2018	63.44	73.19	79.68	81.61	90.40	91.36	93.34	94.95	87.90	80.22	70.49	67.74
2019	M	M	M	84.40	85.32	91.89	94.71	97.26	93.43	85.87	72.99	72.52
2020	72.36	73.07	83.36	86.02	90.13	91.34	96.25	98.96	86.70	86.36	82.56	73.71
2021	72.27	68.17	81.44	83.95	87.48	92.64	93.17	96.76	95.46	89.35	81.68	81.58
2022	70.57	69.32	80.66	88.02	91.25	95.87	97.40	92.62	91.05	84.98	70.38	69.89
2023	74.02	75.24	80.11	79.90	86.69	96.14	98.46	99.74	96.13	83.15	72.88	72.58
2024	65.55	74.52	78.42	84.80	91.74	94.65	92.34	95.81	91.92	90.60	84.09	75.91
2025	63.42	72.72	84.28	85.88	90.65	92.97	M	M	M	M	M	M
NCEI Climatology	67.49	72.10	77.40	83.00	88.30	93.30	94.81	96.30	91.89	85.89	76.70	69.80

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	57.43	46.26
2004	50.94	47.72	62.03	62.77	63.45	M	73.84	73.20	71.29	68.98	55.71	44.62
2005	50.36	54.87	57.42	60.79	67.21	72.73	73.09	73.83	75.50	64.28	56.54	43.61
2006	43.96	42.41	55.98	65.90	69.45	72.02	73.57	73.92	70.64	64.57	54.08	47.21
2007	43.96	48.71	60.97	61.16	68.64	71.38	76.78	77.99	75.62	64.86	55.04	49.30
2008	45.01	51.61	53.25	61.04	70.38	69.38	67.49	71.80	63.68	59.24	55.46	49.30
2009	45.99	54.11	57.16	65.17	72.55	74.22	77.64	76.55	67.42	58.59	54.14	46.04
2010	46.96	46.65	52.87	65.52	71.58	76.32	77.34	76.62	74.26	61.90	53.77	48.56
2011	47.64	48.45	60.74	68.72	71.77	75.72	77.60	78.83	74.11	63.66	55.62	50.74
2012	50.15	55.93	63.40	68.65	71.41	75.64	77.18	77.89	72.79	67.38	58.24	53.16
2013	50.63	53.64	56.11	62.12	70.87	76.72	76.47	76.53	76.71	M	M	48.03
2014	42.15	48.88	53.81	63.61	67.57	77.14	75.31	77.52	74.78	69.21	54.82	56.69
2015	45.52	49.83	57.42	68.49	73.35	75.16	76.85	75.60	73.23	68.48	60.12	52.39
2016	44.72	49.64	62.79	66.42	71.84	74.71	78.42	77.13	75.48	67.52	62.30	55.50
2017	52.24	59.80	63.48	66.05	69.39	74.65	76.41	77.01	69.51	62.14	59.22	47.81
2018	43.32	56.54	61.20	60.73	70.29	76.12	74.14	74.30	74.71	65.85	52.68	49.23
2019	M	M	M	64.99	72.70	75.61	72.30	77.89	74.96	64.45	52.31	48.63
2020	52.06	48.24	64.65	64.41	69.66	72.82	75.61	74.95	64.40	62.81	59.29	47.84
2021	50.13	48.24	60.02	67.11	72.74	77.07	77.58	78.15	73.99	69.29	59.85	62.54
2022	46.66	44.04	54.34	70.41	73.90	75.62	77.18	76.99	72.18	62.41	56.18	51.01
2023	51.34	53.14	62.17	63.65	70.51	76.18	77.29	78.03	74.66	65.60	56.06	51.03
2024	45.46	53.25	60.66	66.51	75.27	77.65	76.52	76.77	73.95	66.00	60.46	54.23
2025	44.24	51.16	59.46	67.15	72.96	75.22	M	M	M	M	M	M
NCEI Climatology	46.90	50.90	57.10	63.70	70.11	74.59	75.70	76.00	72.41	64.50	56.00	48.90

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	79.25	67.61	58.52
2004	58.76	57.72	70.21	71.27	71.59	M	84.33	83.55	80.03	78.78	66.18	56.06
2005	59.84	62.75	68.80	71.79	77.99	82.86	87.60	89.69	85.07	75.08	68.24	54.76
2006	56.68	54.98	65.50	75.65	79.82	82.22	81.38	83.85	78.98	73.95	65.39	56.53
2007	54.09	59.19	69.65	69.74	77.03	80.15	79.16	86.44	84.23	76.48	65.60	61.03
2008	54.82	63.93	65.62	71.78	78.89	81.11	78.61	79.40	75.14	71.93	66.92	60.19
2009	59.17	65.81	67.88	75.84	81.54	84.30	88.60	87.87	79.41	71.97	65.24	53.45
2010	55.74	54.97	64.77	73.27	80.76	85.13	85.15	87.53	82.45	74.89	65.98	61.32
2011	57.82	59.95	70.62	78.96	80.15	85.19	87.63	89.70	85.96	75.18	67.78	60.05
2012	62.40	63.13	72.39	77.77	80.49	85.24	86.47	88.52	83.64	77.28	69.11	64.75
2013	61.89	64.41	67.90	72.14	79.48	86.38	86.15	87.42	83.60	M	M	56.89
2014	55.17	59.61	63.58	74.17	76.89	85.05	85.42	87.03	82.96	78.41	62.65	62.84
2015	53.85	58.88	64.71	75.44	80.03	83.49	85.84	86.60	83.16	78.45	68.88	62.93
2016	56.34	63.71	71.43	75.14	79.61	82.98	87.49	86.35	84.93	78.94	71.99	62.78
2017	63.57	70.78	71.94	76.53	79.07	83.44	86.11	86.47	80.65	73.79	69.97	56.56
2018	53.38	64.86	70.44	71.17	80.35	83.74	83.74	84.63	81.31	73.04	61.59	58.49
2019	M	M	M	74.69	79.01	83.75	83.50	87.57	84.20	75.16	62.65	60.58
2020	62.21	60.66	74.00	75.21	79.89	82.08	85.93	86.95	75.55	74.59	70.93	60.78
2021	61.20	58.21	70.73	75.53	80.11	84.86	85.38	87.46	84.72	79.32	70.76	72.06
2022	58.62	56.68	67.50	79.21	82.58	85.75	87.29	84.81	81.62	73.69	63.28	60.45
2023	62.68	64.19	71.14	71.78	78.60	86.16	87.87	88.88	85.39	74.38	64.47	61.80
2024	55.51	63.88	69.54	75.66	83.50	86.15	84.43	86.29	82.94	78.30	72.28	65.07
2025	53.83	61.94	71.87	76.52	81.80	84.09	M	M	M	M	M	M
NCEI Climatology	57.20	61.50	67.25	73.35	79.20	83.95	85.25	86.15	82.15	75.20	66.35	59.35

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	70.0%	60.6%
2004	73.8%	72.4%	71.2%	73.5%	76.6%	M	74.6%	72.7%	76.8%	77.2%	76.0%	71.5%
2005	80.2%	81.9%	76.4%	64.7%	75.5%	74.7%	73.4%	69.6%	78.4%	74.0%	72.9%	81.7%
2006	83.1%	82.1%	87.4%	73.5%	68.4%	70.4%	81.8%	76.3%	80.7%	81.4%	73.8%	79.3%
2007	89.3%	74.8%	68.8%	72.2%	72.2%	71.1%	M	81.6%	80.7%	69.8%	72.4%	65.7%
2008	70.6%	69.3%	67.3%	65.4%	71.5%	69.5%	76.8%	87.3%	62.9%	62.4%	67.4%	66.8%
2009	61.6%	64.8%	69.0%	60.5%	69.5%	69.3%	65.8%	63.4%	75.4%	70.9%	76.2%	81.3%
2010	76.6%	80.4%	68.9%	77.5%	75.3%	77.9%	79.4%	70.8%	79.4%	64.9%	69.0%	66.0%
2011	70.8%	71.9%	74.4%	66.2%	73.7%	72.3%	68.3%	63.6%	56.9%	62.5%	62.3%	80.0%
2012	67.6%	83.0%	76.0%	72.6%	74.5%	69.8%	70.8%	63.3%	67.1%	65.7%	64.7%	63.8%
2013	71.4%	64.8%	60.9%	70.3%	70.2%	68.4%	68.1%	66.1%	75.1%	M	M	72.3%
2014	65.2%	77.7%	76.1%	68.0%	71.1%	74.3%	71.9%	67.9%	77.4%	72.8%	72.3%	83.0%
2015	79.0%	75.3%	83.4%	55.8%	84.0%	79.3%	76.3%	71.7%	76.3%	73.8%	80.1%	78.8%
2016	75.9%	63.4%	77.2%	75.9%	78.4%	80.5%	72.9%	74.9%	74.8%	70.5%	75.3%	81.5%
2017	68.7%	74.9%	79.7%	69.7%	72.7%	78.3%	73.2%	71.0%	73.0%	68.3%	75.0%	82.6%
2018	64.0%	85.4%	73.7%	70.0%	75.1%	79.1%	78.1%	73.8%	83.1%	83.5%	77.5%	74.6%
2019	M	M	M	74.3%	81.2%	78.4%	71.9%	70.2%	74.7%	68.7%	75.7%	72.0%
2020	74.3%	69.7%	74.5%	71.9%	75.7%	77.4%	76.0%	69.8%	27.8%	71.9%	73.5%	68.2%
2021	72.3%	77.5%	69.5%	72.9%	81.6%	80.4%	81.6%	75.8%	72.1%	73.4%	69.3%	79.1%
2022	64.9%	70.1%	63.1%	71.3%	75.5%	71.1%	69.3%	76.2%	76.0%	67.2%	84.0%	76.3%
2023	72.0%	73.7%	73.1%	80.8%	83.3%	75.8%	72.1%	68.8%	73.1%	78.9%	80.0%	75.8%
2024	74.2%	75.3%	77.5%	75.5%	81.8%	78.4%	82.1%	76.6%	79.2%	73.9%	66.3%	77.0%
2025	70.6%	76.1%	66.4%	74.2%	77.1%	79.9%	M	M	M	M	M	M