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 (USC00417170) 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	M
2005	0.83	1.58	1.17	0.11	0.50	0.10	1.00	0.35	2.50	1.08	2.25	1.32
2006	0.85	0.01	0.23	0.18	0.89	1.56	3.72	0.44	2.67	2.10	0.02	1.50
2007	3.74	M	M	1.04	0.77	0.63	8.60	2.76	2.51	1.44	0.42	0.03
2008	1.55	0.06	0.30	2.26	0.06	0.05	2.26	3.00	1.57	0.80	0.45	0.37
2009	0.01	0.02	0.39	0.02	0.61	0.02	0.00	0.05	4.44	1.24	4.57	3.24
2010	5.31	3.54	0.68	0.43	1.66	2.05	1.81	0.02	10.96	0.00	0.84	0.59
2011	5.16	0.95	0.39	0.22	1.74	0.60	0.03	0.39	0.56	1.83	1.30	1.20
2012	1.29	2.94	0.00	0.00	0.00	1.72	0.91	0.08	2.85	0.40	0.82	0.44
2013	2.63	1.52	0.02	1.88	0.85	1.15	1.15	4.23	2.64	3.51	0.78	0.19
2014	0.14	0.44	0.57	0.10	2.55	0.68	2.61	1.86	4.37	1.88	1.59	M
2015	M	M	M	3.17	7.36	3.02	0.27	0.59	2.86	3.33	0.51	0.56
2016	1.25	0.06	2.85	0.40	10.21	4.66	0.00	3.53	3.11	0.39	1.87	0.92
2017	0.23	0.92	2.39	0.50	2.27	5.00	1.74	3.73	M	M	M	M
2018	M	M	M	M	0.02	15.09	1.89	0.11	14.97	2.62	2.90	0.72
2019	1.66	0.24	1.02	2.58	5.33	9.92	0.06	0.16	3.03	1.67	2.44	3.27
2020	1.19	0.09	0.25	0.95	4.68	4.07	2.33	0.24	2.02	0.10	3.88	1.25
2021	3.07	0.06	0.52	2.57	10.94	3.89	12.22	2.31	2.80	6.58	1.20	0.20
2022	3.51	0.27	0.07	0.04	2.29	0.21	0.03	9.46	8.36	0.36	5.20	1.58
2023	0.37	0.12	0.46	4.38	0.77	0.53	2.70	2.04	0.84	3.72	3.67	0.44
2024	3.02	1.10	1.20	0.10	1.67	3.13	7.43	1.77	6.31	0.45	0.19	0.53
2025	1.18	0.01	2.57	1.30	3.18	2.04	M	M	M	M	M	M
NCEI Climatology	2.11	1.99	2.42	2.00	3.99	3.72	2.57	1.80	6.51	3.92	2.88	1.71

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	M	M
2005	10.3	10.1	10.6	11.7	10.8	11.1	10.4	9.1	9.3	9.2	8.1	9.7
2006	9.4	10.8	10.7	11.6	12.4	8.9	8.7	6.6	9.3	10.1	9.7	7.5
2007	1.2	M	M	11.9	10.4	10.8	10.0	8.6	8.3	9.4	10.1	9.5
2008	11.4	10.1	12.3	11.8	12.2	13.1	11.3	7.6	9.8	9.1	1.0	5.1
2009	9.4	11.2	10.6	12.6	6.1	10.7	8.6	9.6	8.4	12.7	8.8	10.4
2010	10.4	10.9	10.0	11.3	11.6	11.5	11.5	9.0	10.4	9.9	11.3	11.0
2011	1.8	5.1	10.3	14.2	13.2	8.5	10.1	9.5	9.8	9.3	10.3	10.2
2012	9.3	10.5	10.8	12.4	10.0	10.8	11.2	9.8	10.0	10.8	9.1	9.7
2013	10.2	10.2	11.2	11.6	12.4	10.3	10.6	8.7	10.4	10.1	11.1	9.5
2014	9.6	9.8	10.6	11.5	12.4	13.2	9.5	9.1	10.7	10.0	11.0	9.2
2015	9.5	9.8	8.3	9.3	12.5	10.3	9.5	8.6	9.0	9.8	10.0	9.6
2016	9.2	9.3	10.7	10.2	11.0	8.5	10.3	9.3	8.5	8.9	9.1	10.1
2017	9.7	9.6	10.2	12.0	11.8	10.8	10.3	10.4	M	M	M	M
2018	M	M	M	M	6.5	12.8	9.6	10.6	10.1	10.9	10.9	10.7
2019	10.6	10.5	10.8	11.7	13.6	11.8	11.9	10.8	11.8	12.0	9.9	9.0
2020	10.0	11.3	10.9	11.6	12.5	11.3	11.2	10.1	11.7	10.6	9.4	10.0
2021	10.0	11.5	10.7	11.7	12.9	10.7	10.0	9.4	9.9	9.8	9.8	9.7
2022	11.3	11.3	11.0	13.0	13.4	11.4	11.5	11.0	7.7	10.3	12.8	9.7
2023	10.3	10.7	12.0	12.1	9.4	10.4	9.3	9.1	9.6	10.8	10.1	8.6
2024	11.1	10.2	10.3	12.0	12.1	12.7	10.1	8.8	10.0	9.8	10.6	9.6
2025	12.3	10.5	10.9	12.2	12.2	12.8	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
2004	M	M	M	M	M	86.45	88.96	90.01	87.74	85.54	75.94	58.71
2005	65.97	65.83	72.03	78.34	81.43	88.27	90.40	90.99	90.08	82.11	75.27	65.91
2006	69.39	67.94	73.52	80.18	84.03	86.72	88.11	89.87	86.84	83.45	75.68	66.14
2007	59.55	M	M	74.81	82.49	86.52	M	M	M	74.53	74.36	70.15
2008	62.77	69.68	72.47	77.96	84.16	88.96	87.45	87.86	86.42	80.66	74.60	67.42
2009	66.48	70.16	71.48	78.86	84.26	88.04	88.62	90.24	86.84	83.48	70.06	59.99
2010	60.05	60.03	68.75	76.10	83.97	89.12	89.42	91.05	87.62	82.17	74.06	67.77
2011	61.90	64.01	72.65	81.62	82.98	88.68	89.66	91.28	89.90	82.23	75.26	67.10
2012	M	67.26	75.03	81.38	83.34	87.84	87.45	88.85	85.64	80.72	73.34	68.99
2013	62.48	67.71	69.92	73.60	80.51	87.21	88.12	88.25	87.79	82.41	69.08	60.97
2014	61.70	61.49	65.72	75.66	79.85	87.25	87.90	88.97	86.71	83.40	67.87	66.24
2015	57.70	62.27	67.38	76.57	82.82	87.25	88.08	89.27	87.53	82.78	74.38	68.14
2016	62.77	69.29	73.06	77.76	83.10	87.23	89.16	89.75	90.96	86.43	77.40	67.26
2017	68.11	73.44	74.46	80.03	82.89	87.99	88.85	89.14	M	M	M	M
2018	M	M	M	M	87.90	87.83	88.17	89.49	86.24	74.66	68.39	66.25
2019	63.12	65.19	67.18	76.89	82.57	87.68	89.26	89.94	89.20	82.83	69.30	67.87
2020	67.79	66.76	75.16	79.10	83.98	87.66	88.92	90.93	87.10	81.98	77.12	67.27
2021	62.32	60.53	71.56	76.07	81.76	87.71	88.04	90.07	88.17	83.44	74.17	73.08
2022	57.44	60.89	70.86	79.33	85.55	88.82	90.35	89.24	86.84	M	65.47	66.49
2023	68.20	67.83	73.87	76.89	83.55	88.18	89.36	90.92	90.75	81.30	70.71	69.28
2024	63.13	69.08	73.46	80.14	86.98	90.18	89.46	91.20	87.55	84.62	78.67	71.73
2025	60.15	65.79	74.86	79.26	85.47	88.73	M	M	M	M	M	M
NCEI Climatology	62.31	64.98	70.09	75.80	81.40	86.80	87.99	88.70	86.50	81.21	71.80	65.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	78.57	80.89	81.18	78.26	76.65	63.90	53.53
2005	54.74	56.71	60.72	68.02	73.08	80.62	81.61	82.57	80.90	70.79	63.03	51.63
2006	57.03	54.24	64.52	71.78	75.03	78.98	80.35	82.40	78.20	73.05	63.56	53.95
2007	48.75	M	M	65.24	75.06	78.48	M	M	M	60.80	63.56	55.63
2008	51.28	57.82	60.10	67.88	76.30	80.92	79.79	79.61	76.04	70.55	63.56	53.77
2009	53.95	59.72	60.34	68.54	75.20	80.30	80.44	81.59	77.12	73.69	58.10	48.26
2010	48.03	48.14	57.26	68.06	75.66	81.08	82.04	82.40	78.26	71.48	61.94	54.99
2011	50.35	50.90	63.47	71.96	74.39	79.68	81.53	82.05	78.86	71.31	62.48	55.14
2012	M	57.20	65.97	72.08	74.60	78.80	79.61	79.73	76.40	70.50	61.70	56.56
2013	50.46	56.11	59.11	62.74	71.03	78.31	78.97	78.64	78.04	71.75	57.16	47.40
2014	46.29	48.62	54.25	64.63	70.10	78.78	78.90	79.48	77.38	72.79	55.66	55.28
2015	45.27	49.34	56.53	67.78	74.03	78.76	79.45	79.76	77.57	73.07	63.69	56.56
2016	49.62	56.16	64.07	68.14	73.56	78.09	81.01	80.51	79.13	74.85	66.40	55.67
2017	53.87	62.39	65.46	69.39	73.08	78.47	80.76	80.82	M	M	M	M
2018	M	M	M	M	80.77	79.90	79.06	81.48	77.99	65.05	56.48	53.86
2019	55.95	57.64	58.86	66.48	75.52	79.84	81.78	82.32	81.08	70.48	56.25	54.17
2020	57.93	54.08	66.60	68.65	73.83	79.04	80.36	81.90	76.40	70.11	66.81	53.24
2021	48.95	50.06	60.58	67.19	73.36	78.91	79.77	81.54	77.92	73.34	63.00	63.23
2022	47.94	45.69	57.64	70.25	77.02	80.37	81.85	81.48	79.11	M	54.71	54.17
2023	56.81	55.61	64.43	66.74	75.20	79.19	80.73	81.67	81.90	70.54	61.05	58.04
2024	49.34	57.45	63.57	69.89	78.05	82.37	80.68	82.68	78.53	75.20	68.01	60.17
2025	47.73	52.64	63.60	70.25	76.02	79.91	M	M	M	M	M	M
NCEI Climatology	50.40	53.80	60.10	66.60	73.20	78.10	79.60	79.89	76.79	70.70	60.90	53.00

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	82.51	84.93	85.59	83.00	81.09	69.92	56.12
2005	60.35	61.27	66.38	73.18	77.26	84.45	86.00	86.78	85.49	76.45	69.15	58.77
2006	63.21	61.09	69.02	75.98	79.53	82.85	84.23	86.13	82.52	78.25	69.62	60.05
2007	54.15	M	M	70.03	78.78	82.50	M	M	M	67.66	68.96	62.89
2008	57.03	63.75	66.29	72.92	80.23	84.94	83.62	83.74	81.23	75.61	69.08	60.60
2009	60.21	64.94	65.91	73.70	79.73	84.17	84.53	85.91	81.98	78.58	64.08	54.12
2010	54.04	54.08	63.01	72.08	79.82	85.10	85.73	86.73	82.94	76.83	68.00	61.38
2011	56.13	57.46	68.06	76.79	78.68	84.18	85.59	86.67	84.38	76.77	68.87	61.12
2012	M	62.23	70.50	76.73	78.97	83.32	83.53	84.29	81.02	75.61	67.52	62.77
2013	56.47	61.91	64.51	68.17	75.77	82.76	83.55	83.45	82.92	77.08	63.12	54.19
2014	54.00	55.06	59.98	70.14	74.97	83.01	83.40	84.23	82.05	78.10	61.77	60.76
2015	51.49	55.81	61.96	72.18	78.43	83.01	83.76	84.51	82.55	77.93	69.03	62.35
2016	56.20	62.73	68.57	72.95	78.33	82.66	85.09	85.13	85.04	80.64	71.90	61.46
2017	60.99	67.91	69.96	74.71	77.99	83.23	84.81	84.98	M	M	M	M
2018	M	M	M	M	84.33	83.87	83.61	85.48	82.11	69.86	62.44	60.05
2019	59.54	61.41	63.02	71.69	79.05	83.76	85.52	86.13	85.14	76.65	62.77	61.02
2020	62.86	60.42	70.88	73.88	78.91	83.35	84.64	86.41	81.75	76.04	71.97	60.26
2021	55.63	55.30	66.07	71.63	77.56	83.31	83.90	85.80	83.05	78.39	68.58	68.15
2022	52.69	53.29	64.25	74.79	81.28	84.59	86.10	85.36	82.98	M	60.09	60.33
2023	62.50	61.72	69.15	71.81	79.37	83.68	85.05	86.30	86.32	75.92	65.88	63.66
2024	56.23	63.26	68.52	75.01	82.52	86.27	85.07	86.94	83.04	79.91	73.34	65.95
2025	53.94	59.21	69.23	74.76	80.75	84.32	M	M	M	M	M	M
NCEI Climatology	56.35	59.39	65.10	71.20	77.30	82.45	83.79	84.30	81.65	75.95	66.35	59.15

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	M	M
2005	91.4%	93.0%	87.2%	75.7%	84.4%	80.1%	79.2%	77.7%	79.1%	72.3%	78.6%	80.9%
2006	82.2%	81.8%	88.8%	92.8%	92.0%	91.7%	94.3%	89.8%	86.6%	87.2%	81.4%	86.7%
2007	96.7%	M	M	91.1%	87.5%	M	M	M	M	63.5%	80.7%	77.9%
2008	79.8%	81.2%	77.8%	76.4%	81.1%	76.4%	80.0%	85.4%	72.8%	69.4%	82.2%	81.0%
2009	74.9%	80.4%	81.4%	75.1%	83.8%	79.0%	86.4%	77.9%	76.9%	77.5%	76.2%	83.8%
2010	80.0%	81.2%	78.8%	81.8%	80.1%	80.6%	78.2%	76.9%	77.3%	66.6%	73.1%	74.2%
2011	72.3%	89.8%	86.7%	79.0%	82.2%	78.1%	81.6%	82.7%	69.7%	67.2%	71.7%	86.2%
2012	M	86.7%	90.4%	83.9%	84.6%	73.9%	76.5%	76.6%	73.6%	71.8%	72.3%	77.3%
2013	81.8%	75.9%	72.4%	81.8%	80.4%	78.7%	77.2%	78.4%	76.0%	73.6%	77.1%	79.3%
2014	76.6%	88.7%	85.8%	81.7%	78.9%	81.7%	80.5%	79.9%	77.6%	71.9%	74.4%	85.7%
2015	83.1%	84.4%	88.1%	88.6%	85.1%	77.6%	83.6%	78.0%	75.9%	77.2%	82.5%	84.6%
2016	82.3%	76.5%	85.1%	84.8%	84.4%	81.6%	83.2%	81.1%	75.8%	71.2%	79.7%	84.4%
2017	76.9%	83.6%	83.3%	73.6%	74.6%	74.4%	74.1%	76.9%	M	M	M	M
2018	M	M	M	M	75.3%	81.4%	82.3%	78.7%	82.0%	85.5%	79.7%	76.6%
2019	79.5%	87.9%	82.2%	79.1%	84.6%	79.5%	75.4%	77.9%	74.7%	72.6%	80.5%	76.8%
2020	79.1%	78.3%	85.7%	80.6%	79.1%	75.4%	81.8%	74.4%	74.8%	75.9%	78.1%	74.0%
2021	71.7%	86.7%	82.4%	81.7%	84.7%	78.7%	79.6%	75.6%	71.3%	72.0%	73.6%	86.3%
2022	69.9%	79.0%	75.3%	82.2%	81.3%	78.8%	78.6%	78.3%	75.0%	M	81.3%	81.2%
2023	80.0%	83.2%	81.0%	82.1%	79.7%	81.8%	83.2%	80.5%	72.1%	76.0%	79.0%	76.9%
2024	76.1%	78.7%	81.7%	77.7%	83.5%	75.6%	77.6%	73.4%	77.4%	72.3%	71.1%	80.8%
2025	74.3%	82.8%	75.7%	79.0%	79.1%	78.2%	M	M	M	M	M	M