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 (USC00016988) 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	M	M	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	0.07	3.29	5.50	3.27
2010	1.32	1.68	0.36	0.04	1.45	6.83	3.04	8.27	1.39	0.23	1.74	0.44
2011	1.75	1.47	2.90	0.33	0.68	1.27	7.70	3.08	3.83	0.15	2.53	3.70
2012	2.64	3.47	3.23	2.70	2.95	11.19	8.22	7.87	6.13	0.37	0.71	1.96
2013	1.00	9.58	0.91	0.40	2.05	6.37	16.07	1.91	M	M	M	M
2014	M	M	M	24.27	2.08	5.04	3.36	1.41	4.91	2.00	0.88	3.88
2015	4.38	2.78	2.78	9.05	5.23	5.56	4.64	4.39	6.15	3.27	5.33	8.48
2016	3.41	1.69	9.15	5.33	2.48	5.29	2.05	8.51	6.83	M	1.09	6.50
2017	7.75	4.42	2.58	3.02	6.67	12.78	6.15	9.29	0.62	10.63	0.02	1.85
2018	1.48	0.02	0.24	4.38	6.22	5.18	9.39	6.81	9.24	1.46	6.19	7.70
2019	2.80	2.02	0.99	5.07	1.94	6.11	4.97	5.78	0.30	7.39	0.59	3.09
2020	4.62	2.82	0.56	2.98	4.05	7.35	9.75	6.23	10.38	M	M	M
2021	0.50	4.01	4.43	6.79	3.61	5.79	10.76	7.55	7.04	4.34	0.29	0.27
2022	0.41	1.04	1.77	1.71	3.33	0.53	3.78	3.30	0.13	0.22	0.02	0.49
2023	2.79	1.51	0.37	0.18	0.05	3.99	0.65	0.01	0.55	0.59	0.27	0.15
2024	0.19	0.35	0.37	0.31	0.69	0.96	0.50	0.91	0.21	0.45	0.30	0.05
2025	M	0.33	0.05	M	1.43	0.72	1.40	2.49	0.47	1.00	0.02	1.68
2026	0.16	0.57	1.48	0.49	1.27	0.46	M	M	M	M	M	M
NCEI Climatology	5.51	4.63	5.51	5.58	4.42	7.07	9.11	6.91	6.40	4.22	4.77	5.02

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	6.7	7.9	6.3	5.3	4.7	3.9	4.4	5.5	5.9	6.2
2007	6.1	5.9	6.1	6.9	6.2	5.8	4.7	4.3	4.7	6.6	4.7	5.7
2008	6.9	6.7	8.3	6.8	7.4	4.7	4.4	6.2	7.2	5.3	5.0	7.3
2009	6.4	7.4	7.8	8.6	7.3	6.0	5.3	3.9	4.8	6.3	4.2	6.9
2010	7.1	6.3	7.2	6.7	6.2	4.5	5.5	5.2	4.2	5.1	6.7	7.5
2011	7.0	7.1	8.3	8.7	7.5	7.1	4.9	3.6	4.4	5.1	7.6	6.0
2012	7.0	7.2	7.7	6.4	5.5	7.1	4.6	6.2	5.1	5.1	4.8	6.2
2013	6.9	7.1	7.1	7.9	7.2	6.1	5.2	3.9	M	M	M	M
2014	M	M	M	7.0	5.6	5.2	4.7	4.4	4.4	4.2	5.4	4.9
2015	6.1	6.7	7.0	5.6	5.7	5.4	5.3	3.7	4.3	6.4	6.1	7.0
2016	6.2	8.1	9.2	8.0	7.0	5.0	4.9	4.9	4.2	5.9	5.6	6.8
2017	7.6	6.6	8.3	8.2	8.0	7.2	4.6	5.0	5.4	7.5	5.5	6.2
2018	7.6	8.6	7.8	7.6	6.1	5.6	4.6	5.1	5.1	7.2	6.0	7.0
2019	6.5	7.5	6.9	7.7	7.3	6.5	6.0	4.2	5.2	6.8	5.2	6.6
2020	7.0	7.3	7.4	7.5	7.9	7.4	6.5	5.8	6.9	M	M	M
2021	6.1	6.5	7.0	6.2	7.0	6.9	4.2	5.5	3.8	5.0	4.5	6.1
2022	7.7	7.4	9.1	8.0	6.7	5.6	5.0	3.7	4.6	5.4	6.9	5.9
2023	6.7	7.9	7.4	8.0	5.4	7.7	5.4	6.6	6.4	6.0	5.6	6.9
2024	8.6	6.6	7.1	8.3	7.9	7.0	4.7	5.1	5.8	5.1	8.0	6.7
2025	6.7	6.6	8.2	7.5	7.2	5.3	5.2	4.4	4.2	6.4	5.1	6.9
2026	6.7	7.2	7.4	6.7	6.2	7.1	5.4	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	M	69.00	79.76	83.45	91.04	90.30	90.59	86.00	79.50	69.44	66.14
2007	62.25	61.18	70.26	71.96	80.77	88.22	89.19	90.94	86.18	79.21	69.68	67.01
2008	59.17	65.27	67.65	74.06	80.54	87.38	88.15	86.25	84.20	75.66	67.88	65.74
2009	62.48	64.46	69.72	73.78	82.17	93.89	92.48	90.89	88.94	82.63	73.03	64.58
2010	60.13	59.99	68.57	79.20	87.00	92.89	93.85	92.64	87.48	80.85	72.17	58.49
2011	58.69	62.31	71.08	77.42	81.41	91.46	89.31	91.04	84.61	76.71	70.16	64.98
2012	66.03	65.83	74.56	76.22	84.26	86.30	87.86	86.87	84.14	77.52	68.54	66.55
2013	65.27	64.85	64.10	74.48	78.45	86.48	85.30	88.49	M	M	M	M
2014	M	M	M	73.20	80.45	86.49	88.39	90.54	86.73	79.62	65.38	65.60
2015	60.86	59.51	71.94	77.26	83.09	86.21	91.36	88.72	85.22	78.57	72.77	70.67
2016	59.10	64.54	71.43	75.77	81.69	87.66	90.12	88.47	87.25	82.58	74.33	66.77
2017	67.75	70.75	72.02	77.72	81.21	84.38	88.62	88.40	85.70	79.56	71.58	62.07
2018	57.31	72.56	70.38	74.49	84.99	88.36	88.80	87.39	87.91	81.95	67.96	63.35
2019	60.32	66.72	69.23	74.79	83.18	88.39	90.15	89.66	90.39	81.71	69.79	64.99
2020	64.96	66.63	76.49	78.12	81.73	86.26	88.42	88.54	88.22	M	M	M
2021	64.29	62.86	72.36	73.73	80.55	86.21	88.14	88.41	84.61	80.48	68.57	70.79
2022	60.16	65.36	71.43	76.70	82.75	89.24	87.80	86.46	86.72	77.75	71.42	65.10
2023	68.64	69.93	71.89	73.82	81.94	88.10	91.81	95.17	88.82	78.97	70.16	64.17
2024	61.79	67.32	71.43	76.10	85.01	89.42	90.18	92.15	85.76	82.05	75.80	66.20
2025	58.07	69.41	72.76	78.56	83.21	88.67	91.26	88.26	88.10	80.31	73.04	65.91
2026	63.24	68.13	74.21	78.56	81.88	87.74	91.49	M	M	M	M	M
NCEI Climatology	61.01	65.00	71.10	76.80	83.90	88.20	89.80	89.50	86.50	79.11	69.91	63.09

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	48.70	63.20	65.91	70.88	75.20	76.13	68.99	58.83	47.24	45.88
2007	45.70	39.01	48.95	54.20	61.73	71.66	73.63	76.36	70.28	61.67	47.30	48.66
2008	41.75	45.10	47.62	55.94	65.04	71.78	72.59	72.58	69.50	56.10	45.50	48.08
2009	43.09	42.67	52.87	57.24	68.93	76.98	76.99	76.22	76.06	66.49	51.69	48.08
2010	40.93	40.91	48.80	60.39	72.67	77.88	79.89	80.07	70.76	57.78	50.68	37.36
2011	38.03	42.54	52.26	60.80	62.19	74.36	74.39	73.58	67.26	52.32	51.14	46.63
2012	47.21	51.37	58.42	58.82	66.84	70.40	73.52	72.94	68.48	56.68	45.08	46.34
2013	47.50	47.11	44.30	59.86	62.02	72.68	71.95	74.23	M	M	M	M
2014	M	M	M	57.36	62.91	71.28	71.12	72.54	69.91	55.68	41.32	45.45
2015	39.13	38.85	55.32	62.69	65.31	70.73	74.47	72.67	68.09	59.28	54.01	53.54
2016	39.21	44.14	54.68	57.81	63.32	70.44	74.21	74.40	71.16	59.03	49.67	48.80
2017	49.50	49.90	52.91	57.33	62.75	70.84	73.62	73.35	67.95	61.15	49.64	43.48
2018	35.90	56.25	49.92	52.06	64.15	71.73	73.54	72.46	72.74	63.69	46.69	47.00
2019	45.07	56.71	49.91	54.84	66.05	72.51	73.67	73.85	71.51	63.56	44.75	47.31
2020	46.66	47.14	59.49	56.79	62.59	71.80	73.79	74.38	72.95	M	M	M
2021	43.32	43.09	53.23	55.65	63.58	72.40	74.16	74.00	69.08	62.64	46.48	54.94
2022	38.97	45.63	52.61	58.82	68.35	74.42	75.61	69.28	66.50	55.63	52.70	48.20
2023	47.50	54.56	56.21	58.46	57.26	72.08	75.49	76.48	71.18	59.29	50.78	47.15
2024	41.29	47.14	53.31	59.90	68.46	73.76	76.54	74.39	72.20	61.38	60.50	46.92
2025	37.52	49.74	53.31	61.40	68.87	75.27	77.76	74.62	68.90	62.25	51.44	46.11
2026	43.21	46.72	55.69	59.66	66.43	74.06	75.56	M	M	M	M	M
NCEI Climatology	38.90	42.10	48.11	54.20	62.39	69.80	72.20	71.80	67.29	56.50	46.49	41.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	58.85	71.48	74.68	80.96	82.75	83.36	77.50	69.16	58.34	56.01
2007	53.98	50.09	59.61	63.08	71.25	79.94	81.41	83.65	78.23	70.44	58.49	57.84
2008	50.46	55.18	57.64	65.00	72.79	79.58	80.37	79.42	76.85	65.88	56.69	56.91
2009	52.79	53.57	61.29	65.51	75.55	85.44	84.73	83.56	82.50	74.56	62.36	56.33
2010	50.53	50.45	58.69	69.80	79.84	85.38	86.87	86.36	79.12	69.31	61.42	47.92
2011	48.36	52.43	61.67	69.11	71.80	82.91	81.85	82.31	75.94	64.52	60.65	55.81
2012	56.62	58.60	66.49	67.52	75.55	78.35	80.69	79.90	76.31	67.10	56.81	56.45
2013	56.39	55.98	54.20	67.17	70.24	79.58	78.63	81.36	M	M	M	M
2014	M	M	M	65.28	71.68	78.88	79.75	81.54	78.32	67.65	53.35	55.53
2015	50.00	49.18	63.63	69.97	74.20	78.47	82.92	80.70	76.65	68.93	63.39	62.10
2016	49.16	54.34	63.05	66.79	72.50	79.05	82.16	81.43	79.21	70.80	62.00	57.78
2017	58.63	60.33	62.47	67.53	71.98	77.61	81.12	80.88	76.82	70.36	60.61	52.77
2018	46.60	64.41	60.15	63.28	74.57	80.04	81.17	79.93	80.32	72.82	57.32	55.18
2019	52.70	61.71	59.57	64.82	74.61	80.45	81.91	81.75	80.95	72.63	57.27	56.15
2020	55.81	56.89	67.99	67.45	72.16	79.03	81.10	81.46	80.58	M	M	M
2021	53.81	52.98	62.80	64.69	72.06	79.31	81.15	81.20	76.85	71.56	57.52	62.86
2022	49.56	55.50	62.02	67.76	75.55	81.83	81.70	77.87	76.61	66.69	62.06	56.65
2023	58.07	62.25	64.05	66.14	69.60	80.09	83.65	85.83	80.00	69.13	60.47	55.66
2024	51.54	57.23	62.37	68.00	76.74	81.59	83.36	83.27	78.98	71.72	68.15	56.56
2025	47.79	59.58	63.04	69.98	76.04	81.97	84.51	81.44	78.50	71.28	62.24	56.01
2026	53.22	57.43	64.95	69.11	74.15	80.90	83.53	M	M	M	M	M
NCEI Climatology	49.95	53.55	59.60	65.50	73.15	79.00	81.00	80.65	76.90	67.80	58.20	52.20

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	M	62.8%	71.4%	69.6%	62.2%	69.2%	71.8%	68.4%	67.7%	69.6%	69.8%
2007	71.1%	76.6%	79.3%	74.6%	78.2%	79.7%	82.6%	82.3%	75.4%	74.3%	73.3%	79.0%
2008	70.6%	73.1%	74.7%	75.0%	75.0%	72.4%	74.6%	80.3%	80.1%	77.6%	76.6%	81.6%
2009	77.4%	73.4%	81.5%	79.1%	79.3%	59.4%	62.7%	65.4%	67.2%	66.1%	75.2%	77.6%
2010	71.4%	71.7%	72.2%	73.2%	78.7%	76.1%	76.2%	80.1%	75.9%	69.0%	78.1%	71.1%
2011	73.9%	81.7%	79.4%	77.4%	73.7%	69.2%	76.8%	75.2%	77.1%	68.9%	76.5%	82.2%
2012	76.0%	77.9%	82.6%	74.0%	74.7%	76.3%	81.1%	81.8%	78.7%	73.8%	71.5%	76.2%
2013	75.8%	71.3%	62.9%	71.9%	71.0%	73.7%	78.0%	75.3%	M	M	M	M
2014	M	M	M	84.6%	79.9%	82.6%	78.2%	79.1%	82.5%	77.2%	73.4%	83.4%
2015	75.5%	72.9%	84.2%	86.8%	81.0%	81.1%	80.0%	80.6%	81.2%	80.1%	83.8%	87.4%
2016	79.5%	73.0%	85.2%	81.0%	80.3%	84.7%	85.3%	89.3%	88.3%	77.2%	77.3%	83.1%
2017	83.2%	84.6%	80.0%	84.2%	82.9%	90.6%	87.6%	87.3%	81.6%	81.5%	80.7%	85.1%
2018	71.1%	88.5%	74.7%	76.5%	80.9%	82.4%	84.4%	84.5%	86.5%	80.5%	83.5%	85.6%
2019	62.9%	40.7%	75.0%	80.0%	80.5%	79.1%	78.9%	83.3%	78.3%	81.2%	77.0%	82.1%
2020	79.5%	81.2%	82.8%	74.1%	74.2%	80.1%	83.3%	81.3%	81.8%	M	M	M
2021	75.6%	81.1%	79.5%	75.9%	76.7%	82.4%	84.9%	84.4%	83.7%	79.6%	74.9%	90.9%
2022	76.5%	79.6%	78.7%	78.2%	85.1%	82.9%	86.5%	90.5%	74.7%	70.4%	75.8%	81.0%
2023	80.2%	83.6%	78.9%	78.9%	79.9%	80.3%	79.3%	74.4%	75.8%	78.9%	81.9%	78.2%
2024	78.1%	79.8%	81.3%	82.0%	85.3%	82.1%	86.9%	80.5%	87.7%	78.1%	84.6%	82.2%
2025	76.0%	83.0%	77.2%	83.3%	83.9%	79.9%	76.2%	83.0%	77.0%	75.1%	77.8%	82.4%
2026	76.4%	77.1%	80.8%	80.1%	84.2%	82.9%	77.7%	M	M	M	M	M