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 (USW00053847) 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
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	2.27
2007	5.82	3.24	2.47	3.22	0.91	5.45	4.76	1.46	7.50	8.69	4.64	5.86
2008	7.07	4.72	2.27	6.79	4.12	5.37	3.58	5.97	2.14	5.95	2.43	5.51
2009	2.50	3.64	14.32	5.69	6.93	2.30	7.64	5.19	10.52	11.65	1.03	14.33
2010	6.79	5.69	4.62	2.46	3.14	5.34	6.00	9.18	0.92	0.54	4.24	1.36
2011	3.66	3.58	4.78	0.70	2.10	5.11	14.31	0.50	11.41	0.09	1.80	5.36
2012	2.63	5.79	2.67	3.24	3.49	13.88	7.49	7.59	6.30	1.11	1.79	3.62
2013	2.86	8.12	0.67	0.84	0.06	0.40	6.25	10.42	6.42	0.32	2.69	3.81
2014	3.40	4.47	8.10	22.36	6.81	5.61	7.01	5.73	4.62	3.29	1.88	4.37
2015	3.83	3.67	1.69	13.33	3.35	2.70	7.85	2.57	7.56	6.35	7.91	9.53
2016	4.30	6.56	8.06	5.80	3.96	11.45	5.06	10.66	4.54	0.00	0.86	10.83
2017	13.92	3.41	2.52	2.22	8.59	25.72	3.43	9.79	1.29	6.69	0.20	3.23
2018	3.22	8.94	1.84	3.74	4.00	6.22	2.65	7.24	12.60	4.29	4.73	7.09
2019	3.77	2.30	2.28	4.98	3.11	10.63	2.72	4.24	0.00	0.00	1.07	5.60
2020	2.78	2.01	0.35	2.99	0.00	7.47	5.05	5.71	3.47	2.20	1.56	0.00
2021	0.62	0.01	0.68	0.28	0.63	2.14	8.71	4.75	3.24	3.26	0.00	0.08
2022	0.04	0.08	3.69	1.51	3.86	2.50	7.60	1.61	0.02	1.45	2.11	4.77
2023	4.94	1.91	3.50	4.56	6.58	8.94	1.12	0.61	2.50	0.89	2.80	2.13
2024	5.02	0.50	5.51	3.76	7.00	5.03	2.40	0.00	3.16	1.25	7.15	3.58
2025	2.03	2.57	4.92	2.82	6.72	6.68	4.75	6.81	0.96	3.38	0.16	4.78
2026	2.86	2.80	2.32	1.22	12.01	5.77	M	M	M	M	M	M
NCEI Climatology	5.46	4.99	5.39	5.93	3.80	6.76	7.61	6.39	6.53	3.87	4.36	5.44

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	9.9
2007	7.3	6.6	6.4	6.9	6.2	5.2	4.2	3.9	6.2	7.6	6.6	6.4
2008	8.1	7.2	8.4	6.7	6.3	4.2	3.8	5.6	7.2	6.8	3.7	7.8
2009	6.8	7.6	7.6	7.9	7.2	4.2	4.0	4.1	5.2	5.4	6.1	7.6
2010	8.1	7.4	6.9	6.1	6.0	4.0	4.4	5.0	4.6	5.9	7.4	8.0
2011	7.3	7.4	8.3	8.4	7.1	6.4	4.0	3.8	3.4	6.5	7.6	6.9
2012	6.2	7.2	6.9	6.0	5.1	5.8	3.6	5.0	5.0	6.4	5.6	6.6
2013	7.1	7.0	7.6	7.6	6.5	4.9	4.2	4.1	4.9	5.0	7.6	8.1
2014	7.7	7.8	7.3	8.3	5.9	4.4	4.5	4.2	5.4	5.2	7.2	6.3
2015	7.8	9.1	7.3	6.1	5.7	4.7	4.4	4.9	6.0	7.4	7.6	7.7
2016	7.6	7.7	8.8	7.1	5.8	4.7	4.2	5.0	4.6	5.6	6.3	6.9
2017	6.8	6.4	8.1	7.1	5.5	6.4	3.6	4.5	5.4	7.3	5.9	6.9
2018	8.5	7.8	7.6	7.4	5.7	4.3	4.6	4.2	4.7	6.8	6.7	7.1
2019	7.0	8.1	8.1	7.1	5.7	5.0	5.1	4.1	5.6	6.9	7.0	7.8
2020	7.8	7.5	7.1	7.0	6.9	6.1	4.6	4.6	8.4	7.2	8.0	6.6
2021	6.6	8.0	8.0	6.9	7.3	5.7	3.8	4.8	4.7	5.5	6.0	6.3
2022	7.6	8.3	7.6	7.7	5.5	4.9	3.4	4.1	6.9	6.2	7.7	6.3
2023	6.1	7.5	7.6	6.8	5.2	4.8	3.4	4.5	5.3	6.0	6.7	6.5
2024	8.2	6.5	7.1	6.8	5.7	5.1	3.3	5.3	5.9	5.9	6.9	6.2
2025	6.8	6.6	6.8	6.6	5.1	3.7	4.2	4.5	4.5	6.7	4.9	5.7
2026	6.7	6.3	6.1	6.1	5.5	4.7	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
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	69.20
2007	63.84	66.64	77.71	79.00	88.81	95.03	93.45	97.35	91.50	83.74	74.93	70.39
2008	62.48	71.25	74.23	79.83	87.09	93.43	94.56	92.03	90.50	81.19	73.23	69.94
2009	66.42	68.86	75.61	79.20	86.06	96.40	93.68	91.90	90.17	83.89	72.64	61.94
2010	60.58	59.57	70.00	83.10	89.06	94.87	95.37	94.29	94.13	86.32	76.43	60.87
2011	61.55	69.54	77.06	81.83	86.55	95.38	92.10	96.29	86.00	79.16	71.86	66.87
2012	68.16	67.14	78.29	80.10	88.55	88.93	90.80	89.06	86.80	79.77	70.10	67.13
2013	65.94	66.86	68.13	77.33	81.50	89.07	87.06	89.23	88.53	81.04	68.84	66.16
2014	56.74	65.77	69.10	77.25	85.29	90.27	91.03	93.17	89.03	82.55	68.97	68.32
2015	63.74	62.89	77.19	81.77	88.27	92.10	95.58	93.70	89.87	82.00	75.83	73.48
2016	62.06	68.93	76.10	80.17	86.16	92.90	94.58	93.10	92.43	87.61	78.83	69.50
2017	71.58	76.07	76.84	82.87	85.60	87.79	93.16	92.55	90.23	84.06	75.67	66.03
2018	61.35	75.82	71.65	76.73	87.74	89.67	91.10	88.71	89.03	82.33	67.93	63.68
2019	62.06	70.79	70.48	77.43	86.55	89.96	92.29	91.68	93.77	84.10	74.20	66.77
2020	66.16	68.79	79.71	81.27	85.71	89.50	91.05	91.42	86.36	82.97	77.00	65.36
2021	63.00	64.81	75.26	77.20	84.29	89.33	90.48	91.29	86.60	81.64	71.36	73.20
2022	61.07	67.70	75.49	79.10	85.95	93.13	90.24	89.12	88.87	80.68	73.56	65.80
2023	69.35	73.50	75.33	78.39	85.31	90.89	93.25	98.29	90.37	81.03	70.83	64.61
2024	62.16	68.24	74.11	78.57	86.56	90.67	91.39	94.45	85.48	84.23	76.00	66.19
2025	58.73	71.18	73.40	82.07	87.79	92.43	94.77	89.13	90.37	81.58	73.43	64.32
2026	63.16	68.86	76.71	81.03	82.13	87.60	M	M	M	M	M	M
NCEI Climatology	64.60	68.49	74.30	79.90	85.90	91.50	92.70	92.59	89.71	82.60	73.41	66.39

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	47.00
2007	42.68	39.25	49.55	53.55	61.48	70.77	73.90	76.06	71.00	62.00	46.80	48.52
2008	41.61	43.36	46.61	55.87	64.70	71.10	73.37	73.58	70.17	56.45	43.27	47.90
2009	42.48	41.75	52.48	55.90	68.52	72.73	72.65	72.26	72.37	63.82	46.66	43.00
2010	36.29	36.34	44.13	54.37	68.65	74.00	76.23	77.27	69.43	55.39	49.30	35.68
2011	37.65	44.29	52.13	57.47	59.42	71.93	73.52	72.13	65.17	50.13	49.75	44.71
2012	44.19	48.41	56.87	56.07	64.06	69.24	72.17	71.97	66.57	54.13	42.40	43.68
2013	46.68	44.39	40.98	54.87	59.87	71.63	71.94	72.10	69.15	58.34	46.60	44.48
2014	31.77	43.93	44.61	56.40	62.29	70.50	70.68	72.74	70.57	55.16	41.63	46.06
2015	39.94	39.00	56.29	63.20	64.65	72.07	74.71	73.33	68.97	59.97	56.37	54.22
2016	39.90	43.62	55.32	58.03	64.26	71.80	75.48	76.39	72.17	59.48	50.17	48.67
2017	49.84	50.68	53.58	58.47	63.83	73.14	74.63	74.84	69.70	61.94	50.37	46.06
2018	37.06	56.79	46.90	49.93	63.58	70.83	72.52	71.35	71.77	62.86	45.17	45.51
2019	39.68	53.04	46.87	52.03	62.97	70.61	71.45	71.90	69.37	61.60	43.92	47.94
2020	45.29	46.24	58.48	56.23	61.94	71.30	73.55	73.68	69.53	62.81	53.23	38.68
2021	41.35	41.92	52.29	53.73	61.39	71.57	73.32	73.45	68.20	61.42	43.81	53.31
2022	38.55	44.00	50.19	55.55	65.23	71.96	73.29	72.62	66.90	51.69	50.70	45.51
2023	45.17	51.82	53.01	56.83	63.14	68.84	73.11	74.42	68.10	56.52	47.77	42.51
2024	38.10	44.24	50.84	55.20	68.07	71.57	74.68	73.52	70.62	57.45	56.90	41.45
2025	35.00	47.04	47.33	57.07	65.24	70.18	73.52	71.61	65.20	57.52	47.17	42.77
2026	39.52	43.25	52.45	56.23	62.67	70.30	M	M	M	M	M	M
NCEI Climatology	41.90	45.29	50.60	56.20	63.90	71.71	74.71	73.60	69.80	58.61	48.50	44.50

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	58.10
2007	53.26	52.95	63.63	66.27	75.15	82.90	83.68	86.71	81.25	72.87	60.87	59.45
2008	52.05	57.30	60.42	67.85	75.89	82.27	83.96	82.81	80.33	68.82	58.25	58.92
2009	54.45	55.30	64.05	67.55	77.29	84.57	83.16	82.08	81.27	73.86	59.65	52.47
2010	48.44	47.96	57.06	68.73	78.85	84.43	85.80	85.78	81.78	70.85	62.87	48.27
2011	49.60	56.91	64.60	69.65	72.98	83.66	82.81	84.21	75.58	64.65	60.80	55.79
2012	56.18	57.78	67.58	68.08	76.31	79.09	81.48	80.52	76.68	66.95	56.25	55.40
2013	56.31	55.62	54.55	66.10	70.68	80.35	79.50	80.67	78.84	69.69	57.72	55.32
2014	44.26	54.85	56.85	66.82	73.79	80.38	80.85	82.95	79.80	68.85	55.30	57.19
2015	51.84	50.95	66.74	72.48	76.46	82.08	85.15	83.52	79.42	70.98	66.10	63.85
2016	50.98	56.28	65.71	69.10	75.21	82.35	85.03	84.74	82.30	73.55	64.50	59.08
2017	60.71	63.38	65.21	70.67	74.71	80.47	83.90	83.69	79.96	73.00	63.02	56.05
2018	49.21	66.30	59.27	63.33	75.66	80.25	81.81	80.03	80.40	72.59	56.55	54.60
2019	50.87	61.91	58.68	64.73	74.76	80.29	81.87	81.79	81.57	72.85	59.06	57.36
2020	55.73	57.52	69.10	68.75	73.82	80.40	82.30	82.55	77.94	72.89	65.12	52.02
2021	52.18	53.36	63.77	65.47	72.84	80.45	81.90	82.37	77.40	71.53	57.58	63.26
2022	49.81	55.85	62.84	67.33	75.59	82.54	81.76	80.87	77.88	66.19	62.13	55.66
2023	57.26	62.66	64.17	67.61	74.22	79.87	83.18	86.35	79.23	68.77	59.30	53.56
2024	50.13	56.24	62.47	66.88	77.31	81.12	83.03	83.98	78.05	70.84	66.45	53.82
2025	46.87	59.11	60.37	69.57	76.52	81.30	84.15	80.37	77.78	69.55	60.30	53.55
2026	51.34	56.05	64.58	68.63	72.40	78.95	M	M	M	M	M	M
NCEI Climatology	53.25	56.89	62.45	68.05	74.90	81.61	83.70	83.10	79.75	70.60	60.95	55.45

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
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	84.0%
2007	66.6%	60.4%	61.6%	58.3%	59.2%	64.1%	69.6%	68.9%	65.9%	64.6%	60.1%	68.8%
2008	60.7%	60.7%	58.9%	63.0%	63.2%	65.4%	67.6%	68.8%	64.6%	61.2%	58.9%	65.4%
2009	60.6%	58.0%	63.6%	63.0%	67.7%	61.8%	65.5%	69.9%	70.4%	69.2%	64.6%	65.9%
2010	58.2%	57.3%	57.1%	58.2%	65.3%	65.8%	66.3%	70.3%	62.3%	54.6%	63.1%	56.5%
2011	57.7%	63.7%	69.4%	73.0%	70.9%	66.8%	78.2%	70.2%	78.0%	65.3%	74.0%	77.8%
2012	72.4%	74.7%	74.1%	70.2%	69.5%	73.3%	79.7%	80.1%	75.0%	71.4%	71.6%	76.9%
2013	76.0%	70.2%	59.8%	72.4%	71.5%	76.0%	81.4%	79.3%	75.6%	71.8%	66.7%	74.8%
2014	62.9%	72.9%	71.1%	74.7%	71.2%	75.5%	72.6%	72.0%	78.0%	70.3%	64.9%	74.4%
2015	66.6%	62.0%	72.1%	76.4%	70.0%	74.8%	74.8%	72.8%	72.2%	71.3%	78.9%	77.5%
2016	70.6%	64.4%	73.5%	70.4%	70.7%	74.9%	80.7%	82.5%	78.2%	65.5%	64.3%	70.9%
2017	72.5%	71.6%	64.7%	71.4%	73.1%	79.9%	77.6%	77.9%	72.6%	66.8%	65.5%	74.9%
2018	61.1%	80.6%	72.6%	74.3%	79.4%	84.8%	85.9%	88.5%	90.0%	81.0%	80.7%	83.3%
2019	77.2%	82.5%	72.5%	77.8%	79.2%	80.6%	80.2%	84.6%	73.5%	80.2%	72.3%	78.9%
2020	75.9%	74.2%	71.2%	63.1%	64.7%	73.6%	79.3%	78.4%	77.3%	75.2%	70.0%	75.3%
2021	72.9%	77.5%	73.7%	69.0%	72.4%	81.3%	85.2%	84.1%	79.6%	74.7%	68.9%	82.6%
2022	69.6%	73.6%	71.4%	71.6%	78.8%	77.0%	86.1%	86.9%	73.3%	68.0%	73.5%	78.6%
2023	77.3%	79.5%	73.5%	72.4%	74.3%	74.6%	77.4%	69.4%	71.1%	67.7%	72.6%	71.1%
2024	70.2%	68.7%	70.7%	70.0%	74.6%	72.2%	79.8%	69.5%	78.9%	65.7%	77.3%	75.6%
2025	68.7%	72.4%	69.8%	75.7%	78.3%	80.0%	77.7%	80.8%	71.3%	70.7%	74.8%	79.5%
2026	73.4%	72.9%	76.1%	72.0%	81.3%	80.7%	M	M	M	M	M	M