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 (USC00087205) 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
2006	M	0.16	0.00	1.09	1.19	8.08	7.59	7.10	3.30	0.61	1.33	1.66
2007	1.43	1.17	27.86	2.52	0.50	5.36	5.25	5.34	1.64	1.52	0.02	1.40
2008	2.93	1.95	2.29	0.06	0.47	4.28	3.06	M	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	0.62	4.88	1.26	0.81	1.09	0.37
2011	3.43	0.28	5.70	1.82	1.38	2.90	7.25	6.53	5.12	4.76	0.64	0.38
2012	0.34	0.28	0.43	1.29	1.10	7.51	5.54	9.70	4.90	3.69	0.04	1.77
2013	0.33	1.00	2.50	2.74	2.45	8.60	6.77	6.27	4.32	0.85	1.59	0.88
2014	1.54	1.00	1.86	1.01	2.11	3.25	8.52	0.15	12.19	1.09	5.49	1.11
2015	0.55	3.09	1.54	3.94	2.28	1.91	6.10	7.27	2.19	0.95	3.73	0.36
2016	5.30	1.90	1.22	0.85	2.15	8.59	3.64	7.94	4.84	1.62	0.07	0.16
2017	1.06	1.59	0.41	0.25	2.10	9.65	8.27	4.82	2.06	2.06	0.04	0.79
2018	3.35	1.81	0.83	0.91	5.29	3.93	10.99	6.81	5.48	0.43	0.70	6.37
2019	3.51	2.08	1.20	2.28	2.64	9.28	8.80	10.57	1.21	5.70	1.14	2.77
2020	0.61	1.65	0.25	4.59	1.30	6.00	6.44	7.68	7.94	2.02	5.22	1.75
2021	0.28	2.62	0.46	3.16	1.73	9.45	8.43	3.68	5.22	1.23	3.44	0.67
2022	0.97	0.59	0.95	4.03	3.10	3.13	9.33	6.05	9.96	0.01	4.05	0.09
2023	0.55	0.24	0.33	1.80	6.36	8.43	10.88	5.80	1.15	0.46	2.10	2.65
2024	2.39	2.14	2.09	1.26	1.22	5.32	8.40	9.79	1.41	M	0.24	0.29
2025	1.15	1.51	0.51	0.18	1.29	5.62	2.45	M	M	M	M	M
NCEI Climatology	3.00	2.41	2.78	2.88	4.04	9.71	8.65	8.85	6.99	2.58	1.76	2.54

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	5.8	6.1	6.5	5.1	5.0	3.6	3.2	3.7	4.8	5.5	5.7
2007	5.4	5.9	6.6	6.2	6.6	5.4	3.4	3.6	3.1	4.8	4.8	4.3
2008	6.3	5.9	7.3	6.0	6.7	3.7	3.0	M	5.6	6.0	5.0	4.9
2009	5.0	5.8	6.2	7.1	5.2	4.6	4.0	3.4	3.6	4.5	4.9	6.1
2010	6.1	6.1	6.9	5.8	5.1	4.0	4.2	4.3	4.6	3.8	5.4	6.4
2011	6.2	5.8	6.6	6.2	6.2	5.6	3.6	4.3	3.7	5.3	5.8	5.2
2012	4.4	5.7	6.3	5.6	5.5	6.1	3.7	4.4	3.9	5.3	4.4	5.0
2013	5.2	5.6	5.9	5.8	5.4	4.5	4.6	3.6	4.4	4.0	6.4	5.3
2014	6.0	4.5	5.6	5.8	5.3	3.9	3.5	3.9	3.5	3.6	5.5	4.1
2015	2.0	4.1	5.1	4.7	5.2	3.8	4.0	3.6	3.7	4.6	5.3	5.4
2016	5.3	6.2	6.0	5.5	4.7	4.2	3.2	4.3	4.1	6.2	4.1	5.1
2017	5.6	5.1	5.8	6.2	6.9	4.7	3.2	3.5	4.6	5.9	4.5	4.2
2018	6.2	5.3	6.2	6.2	5.2	3.2	3.8	3.6	3.9	5.2	4.4	5.6
2019	5.6	4.8	5.3	5.5	5.1	2.9	0.0	1.9	5.7	5.1	4.3	5.8
2020	5.6	6.2	5.1	6.2	5.8	4.1	4.6	3.8	4.7	5.5	6.9	4.8
2021	4.9	6.1	5.8	5.4	6.4	5.0	4.3	4.3	3.4	4.3	4.7	3.2
2022	0.0	3.6	6.6	6.4	5.3	4.5	3.8	3.3	4.2	4.3	5.8	5.8
2023	5.0	5.7	6.3	6.7	4.8	5.5	3.5	4.5	3.8	5.6	5.1	5.9
2024	6.2	5.6	5.6	6.0	5.0	4.9	3.0	5.0	3.9	M	5.2	5.6
2025	5.9	4.8	6.4	6.0	4.6	4.4	4.2	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
2006	M	72.11	78.86	84.98	87.74	89.78	89.77	89.60	87.86	82.98	74.84	74.79
2007	74.39	72.86	81.35	82.40	88.67	90.56	92.68	94.36	91.91	88.66	81.26	81.70
2008	75.14	77.35	78.22	81.95	89.54	92.42	90.57	M	90.41	84.20	75.86	75.95
2009	72.30	73.34	80.83	84.44	88.96	91.70	91.11	92.04	90.14	87.97	78.74	73.34
2010	66.55	65.56	72.53	83.54	90.35	94.10	93.14	92.74	92.48	87.05	80.18	65.68
2011	71.02	78.16	81.53	88.22	90.65	93.74	93.37	93.20	90.32	82.34	77.28	78.22
2012	74.79	78.61	85.30	85.94	91.69	89.42	92.27	91.81	89.90	85.01	76.40	77.29
2013	78.34	77.96	74.45	85.94	87.14	90.57	90.99	91.00	90.98	86.58	80.18	78.97
2014	68.99	78.03	78.16	84.74	89.89	92.06	92.62	95.60	90.56	86.12	76.34	75.03
2015	76.46	-25.60	80.27	87.20	90.47	92.36	90.53	91.63	90.02	86.17	84.20	82.17
2016	69.57	73.21	82.52	84.26	88.61	91.70	94.04	91.63	91.03	86.17	80.36	80.25
2017	76.25	80.66	81.30	87.55	92.27	90.26	92.15	92.39	90.26	84.20	81.32	77.46
2018	70.21	84.20	77.70	84.94	86.78	91.29	91.65	92.36	92.84	88.90	80.90	74.74
2019	71.83	81.76	79.38	85.16	91.46	91.30	M	90.01	91.52	88.09	77.90	75.80
2020	74.91	77.56	85.30	85.52	88.79	91.94	93.14	92.15	90.50	87.74	81.74	71.31
2021	71.95	78.67	80.77	83.96	90.41	91.22	91.05	91.98	89.12	86.87	75.62	81.76
2022	72.82	80.41	86.00	87.02	91.63	94.04	95.75	95.35	91.16	86.64	82.40	70.40
2023	56.21	67.52	84.63	88.73	88.73	93.56	95.46	95.15	92.34	87.22	80.79	73.80
2024	73.86	77.00	83.56	86.54	95.23	94.73	96.28	93.14	89.60	M	81.74	74.04
2025	67.30	79.64	80.54	87.80	92.33	92.12	92.54	M	M	M	M	M
NCEI Climatology	74.80	77.86	81.40	86.20	90.80	92.90	93.80	93.50	92.11	87.31	80.90	76.81

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	54.37	52.96	59.66	63.12	69.98	71.72	72.24	69.32	60.80	52.88	56.50
2007	53.37	49.29	56.74	58.88	64.69	71.72	74.62	75.66	74.17	70.66	55.88	57.08
2008	50.52	53.53	56.62	59.98	68.81	72.80	73.92	M	72.99	64.17	51.74	52.67
2009	46.86	47.17	54.70	59.72	67.94	73.46	74.27	75.43	74.18	68.00	58.10	54.18
2010	43.21	43.64	49.71	60.56	70.55	75.85	76.25	77.06	73.58	62.25	57.02	39.43
2011	47.97	53.66	56.50	64.10	66.66	72.68	75.43	77.17	74.48	64.23	59.21	56.21
2012	48.95	58.57	61.32	62.12	69.74	72.62	75.26	75.43	73.70	67.25	54.26	54.06
2013	57.08	54.69	48.90	65.30	67.16	77.45	74.56	78.40	73.58	67.42	61.58	58.59
2014	48.14	55.59	56.56	62.24	67.94	72.56	74.68	74.00	73.76	64.86	54.02	55.05
2015	59.72	-25.60	60.31	68.42	68.81	72.98	75.26	75.14	74.54	67.54	66.68	64.28
2016	50.52	50.74	61.15	62.90	66.78	74.66	75.62	75.84	74.58	67.94	57.68	59.12
2017	54.18	56.24	56.85	63.78	68.23	74.42	75.32	76.30	73.94	66.26	60.68	54.47
2018	47.39	63.31	52.73	61.98	67.37	75.20	75.39	75.20	75.86	70.03	61.16	56.39
2019	49.94	61.25	58.07	62.84	71.08	75.10	M	76.02	72.98	71.77	57.38	56.96
2020	54.24	55.03	61.32	64.76	66.61	73.70	75.08	75.37	74.60	71.95	64.58	49.07
2021	50.99	56.24	58.71	61.04	67.13	73.46	74.79	75.84	73.16	68.35	56.18	60.80
2022	50.70	56.49	61.85	65.84	71.43	76.52	76.42	74.39	72.92	66.72	65.84	50.60
2023	52.55	55.26	59.77	63.59	54.82	74.48	77.75	68.75	75.51	68.06	61.61	57.73
2024	53.37	53.41	63.24	62.66	73.17	77.80	77.41	77.12	75.20	M	61.64	54.50
2025	45.94	58.29	55.57	63.38	70.21	73.28	73.97	M	M	M	M	M
NCEI Climatology	50.00	52.85	55.89	60.90	66.60	71.90	73.40	73.71	72.40	66.10	57.90	53.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	63.24	65.91	72.32	75.43	79.88	80.75	80.92	78.59	71.89	63.86	65.65
2007	63.88	61.08	69.05	70.64	76.68	81.14	83.65	85.01	83.04	79.66	68.57	69.39
2008	62.83	65.44	67.42	70.96	79.18	82.61	82.25	M	81.70	74.18	63.80	64.31
2009	59.58	60.25	67.77	72.08	78.45	82.58	82.69	83.74	82.16	77.99	68.42	63.76
2010	54.88	54.60	61.12	72.05	80.45	84.98	84.69	84.90	83.03	74.65	68.60	52.55
2011	59.49	65.91	69.02	76.16	78.65	83.21	84.40	85.19	82.40	73.28	68.24	67.22
2012	61.87	68.59	73.31	74.03	80.72	81.02	83.76	83.62	81.80	76.13	65.33	65.68
2013	67.71	66.33	61.67	75.62	77.15	84.01	82.78	84.70	82.28	77.00	70.88	68.78
2014	58.56	66.81	67.36	73.49	78.92	82.31	83.65	84.80	82.16	75.49	65.18	65.04
2015	68.09	-25.60	70.29	77.81	79.64	82.67	82.89	83.39	82.28	76.85	75.44	73.23
2016	60.05	61.98	71.83	73.58	77.70	83.18	84.83	83.74	82.80	77.06	69.02	69.68
2017	65.21	68.45	69.07	75.67	80.25	82.34	83.74	84.35	82.10	75.23	71.00	65.97
2018	58.80	73.75	65.21	73.46	77.08	83.25	83.52	83.78	84.35	79.47	71.03	65.56
2019	60.89	71.50	68.73	74.00	81.27	83.20	M	83.01	82.25	79.93	67.64	66.38
2020	64.57	66.29	73.31	75.14	77.70	82.82	84.11	83.76	82.55	79.85	73.16	60.19
2021	61.47	67.45	69.74	72.50	78.77	82.34	82.92	83.91	81.14	77.61	65.90	71.28
2022	61.76	68.45	73.92	76.43	81.53	85.28	86.09	84.87	82.04	76.68	74.12	60.50
2023	54.38	61.39	72.20	76.16	71.77	84.02	86.61	81.95	83.93	77.64	71.20	65.77
2024	63.62	65.21	73.40	74.60	84.20	86.27	86.84	85.13	82.40	M	71.69	64.27
2025	56.62	68.96	68.06	75.59	81.27	82.70	83.25	M	M	M	M	M
NCEI Climatology	62.40	65.36	68.65	73.55	78.70	82.40	83.60	83.60	82.25	76.70	69.40	65.05

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
2006	M	82.1%	68.9%	71.1%	69.5%	75.8%	81.2%	81.6%	80.6%	74.2%	79.0%	82.2%
2007	79.2%	75.5%	68.8%	68.0%	67.7%	78.4%	81.4%	79.3%	80.8%	80.0%	74.4%	79.4%
2008	74.3%	76.2%	71.4%	67.6%	70.4%	79.3%	83.2%	M	78.7%	76.5%	76.3%	79.1%
2009	75.0%	67.1%	66.0%	65.8%	75.3%	76.7%	79.7%	80.8%	79.6%	76.2%	77.1%	79.5%
2010	73.8%	70.8%	67.7%	68.4%	71.6%	73.9%	75.5%	79.1%	74.2%	67.2%	72.1%	68.5%
2011	73.2%	74.3%	69.5%	66.3%	63.0%	69.5%	76.1%	79.7%	80.8%	75.9%	75.1%	78.4%
2012	71.7%	74.8%	70.9%	66.9%	71.1%	81.1%	80.0%	79.1%	76.0%	72.2%	70.5%	73.6%
2013	69.2%	67.1%	59.1%	67.2%	65.3%	71.9%	78.2%	74.5%	70.0%	64.6%	70.3%	67.8%
2014	65.4%	65.7%	63.9%	67.8%	65.9%	71.1%	74.5%	71.7%	78.3%	68.5%	71.3%	75.2%
2015	69.8%	M	75.9%	78.7%	71.0%	79.1%	85.3%	85.3%	84.8%	80.1%	82.2%	84.3%
2016	78.4%	72.5%	74.3%	70.7%	72.0%	81.0%	80.3%	84.8%	83.5%	77.9%	74.3%	78.6%
2017	77.9%	75.0%	67.6%	65.5%	68.7%	85.5%	83.4%	83.7%	81.3%	77.1%	75.6%	75.5%
2018	68.7%	72.2%	60.0%	66.3%	71.7%	76.0%	79.0%	78.9%	76.8%	73.0%	74.6%	76.2%
2019	70.3%	75.9%	69.8%	69.7%	69.7%	80.4%	M	87.9%	79.9%	84.7%	84.1%	85.8%
2020	78.3%	83.7%	78.6%	81.4%	79.7%	84.3%	87.9%	87.8%	81.4%	78.3%	76.9%	73.8%
2021	74.2%	74.1%	73.2%	71.4%	66.1%	80.8%	83.9%	84.0%	83.8%	77.5%	78.8%	80.9%
2022	72.3%	70.7%	67.4%	68.0%	68.6%	75.1%	77.8%	79.5%	82.5%	71.1%	75.8%	60.2%
2023	71.5%	70.3%	57.9%	63.0%	65.1%	78.6%	80.4%	81.0%	79.8%	76.5%	77.8%	80.4%
2024	79.1%	71.1%	75.6%	62.5%	65.8%	71.7%	80.0%	79.8%	88.1%	M	71.6%	74.0%
2025	65.6%	73.2%	63.7%	60.5%	67.8%	73.7%	75.8%	M	M	M	M	M