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 (USC00035186) 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	2.82	0.55	3.26	1.47	1.41	2.84	1.46	2.01	1.39	5.14	1.93	6.53
2007	6.54	1.21	1.57	2.96	2.03	5.90	1.94	0.37	6.93	5.17	3.50	5.78
2008	1.59	4.17	10.09	6.86	1.19	1.18	4.74	0.74	1.59	0.85	0.75	3.48
2009	1.10	3.07	4.49	6.87	7.80	5.05	9.52	2.17	9.05	14.00	1.35	9.77
2010	3.16	1.97	3.19	4.68	6.69	0.05	7.03	0.68	1.76	0.00	4.32	2.19
2011	0.24	4.98	4.12	6.81	10.14	0.15	1.68	2.89	1.59	1.56	10.32	7.66
2012	3.08	2.61	4.73	1.32	3.43	0.85	2.29	3.60	4.18	2.65	1.72	2.35
2013	3.61	4.18	2.37	2.29	8.95	2.87	3.52	3.87	2.43	3.94	3.45	7.48
2014	2.46	2.18	3.83	3.41	3.14	7.51	3.19	3.46	0.40	2.86	1.61	2.44
2015	2.04	2.82	5.88	5.73	7.16	2.36	7.29	3.40	2.70	3.07	9.11	6.43
2016	1.61	1.38	8.94	3.42	4.27	2.97	0.16	4.01	2.78	1.60	2.70	1.22
2017	2.28	0.01	4.26	8.62	8.08	1.08	M	4.04	0.15	1.94	0.68	5.44
2018	2.02	12.91	3.21	3.60	3.43	2.76	3.14	4.48	6.35	3.01	3.18	4.35
2019	3.89	8.36	3.45	6.04	6.56	2.52	3.54	4.09	1.67	4.89	5.63	1.94
2020	5.71	4.47	5.95	3.84	0.18	0.43	1.95	0.74	2.77	4.74	2.48	3.47
2021	3.40	4.81	6.13	5.83	4.49	2.97	3.16	2.13	2.18	4.27	2.46	3.12
2022	5.08	4.31	3.96	8.34	4.84	0.00	4.73	1.97	0.01	2.25	2.60	2.51
2023	5.52	4.32	6.67	3.03	2.49	0.46	3.24	5.63	0.03	4.60	3.22	1.54
2024	6.78	1.78	3.24	2.44	2.70	2.81	3.93	4.10	8.94	0.59	3.54	5.36
2025	0.58	0.96	1.28	9.02	10.78	2.24	M	M	M	M	M	M
NCEI Climatology	3.67	4.12	5.01	5.39	5.59	3.37	4.18	2.97	3.23	3.96	4.93	4.93

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	12.0	9.7	11.0	10.8	8.8	7.6	7.7	6.1	6.9	8.2	8.3	9.7
2007	9.0	10.1	9.4	9.7	7.1	6.5	5.5	6.7	6.0	8.0	8.1	9.1
2008	10.9	11.2	12.6	10.1	8.9	9.7	5.8	6.2	7.7	6.4	7.5	11.2
2009	9.7	12.2	11.9	11.2	9.1	8.3	6.8	6.1	6.5	8.3	7.6	8.8
2010	9.6	7.8	10.3	10.7	8.1	7.5	7.3	6.4	6.8	7.5	10.1	9.5
2011	8.7	11.3	11.8	13.8	11.5	12.9	15.4	6.4	6.8	7.4	12.0	7.9
2012	10.8	9.3	11.7	10.4	8.6	7.5	7.4	7.2	6.8	8.8	7.3	10.2
2013	9.9	8.6	9.5	10.6	9.6	8.2	6.2	5.2	5.8	6.9	8.7	8.6
2014	11.4	10.8	11.2	10.7	10.3	9.5	6.7	6.8	7.6	8.6	9.9	8.5
2015	9.1	11.4	8.8	10.4	7.7	7.6	6.5	4.5	5.3	8.3	8.2	9.3
2016	9.8	11.5	10.8	9.5	8.7	5.6	6.3	6.0	6.4	8.1	8.0	8.9
2017	10.6	10.9	11.6	11.7	10.1	8.3	M	6.3	6.5	8.4	9.4	9.6
2018	10.8	10.4	11.5	11.4	8.3	8.1	5.9	6.5	6.5	7.5	8.9	9.4
2019	9.7	10.3	10.0	10.6	8.9	8.4	7.7	5.5	5.7	8.0	8.9	8.7
2020	9.9	11.2	10.7	9.7	9.0	7.9	6.2	6.2	7.1	7.2	8.3	8.8
2021	9.2	10.8	9.9	9.5	9.1	8.2	6.6	6.7	6.7	8.4	8.5	10.0
2022	10.2	11.0	11.0	11.6	10.7	7.4	7.8	5.9	6.3	9.5	8.6	9.3
2023	10.3	11.1	11.4	10.6	8.3	6.9	7.1	6.4	5.7	8.6	8.8	8.7
2024	9.1	11.1	10.5	11.8	8.6	7.8	7.1	6.1	7.6	6.9	9.3	8.6
2025	8.9	10.7	13.6	12.8	9.3	7.3	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	55.02
2006	56.46	47.46	62.36	78.58	81.37	90.60	92.62	90.36	81.81	71.33	60.06	53.07
2007	46.03	48.50	71.09	69.01	84.08	89.72	88.74	98.29	85.32	74.86	61.69	49.88
2008	45.60	50.41	60.05	67.61	80.39	91.59	92.37	87.87	80.96	73.76	57.87	48.00
2009	46.22	54.45	61.80	69.93	77.61	91.76	87.00	86.45	80.21	66.42	64.57	43.96
2010	41.93	42.10	61.69	76.61	81.15	94.59	93.33	93.01	86.02	78.02	61.97	44.80
2011	42.82	49.96	58.53	74.27	77.08	94.40	94.91	90.78	80.44	73.05	60.90	50.82
2012	52.20	54.37	72.72	74.89	85.49	89.54	94.17	89.55	82.00	69.88	59.31	53.77
2013	49.01	49.19	53.54	68.23	77.63	88.20	87.63	86.69	85.93	71.53	56.08	46.85
2014	44.66	44.24	54.96	70.14	79.76	87.85	86.03	92.11	84.37	75.94	54.85	49.27
2015	46.85	41.30	56.65	72.22	80.29	90.76	93.14	87.21	85.36	74.76	62.21	58.98
2016	47.61	56.10	65.80	73.35	80.00	91.68	93.97	89.46	88.06	80.23	66.06	49.47
2017	51.85	61.56	63.93	75.14	79.23	86.24	M	84.75	85.04	75.32	62.90	48.97
2018	43.15	53.19	63.12	65.02	86.95	91.81	91.22	87.97	84.40	72.34	53.96	49.93
2019	45.51	51.01	56.83	71.11	79.48	85.46	88.87	88.16	89.32	70.55	55.57	53.10
2020	49.94	50.93	62.61	67.93	76.03	87.51	91.64	88.62	80.44	68.11	64.47	50.84
2021	47.61	40.89	64.29	69.70	77.32	87.73	90.48	90.10	85.20	76.05	58.93	61.90
2022	47.71	50.82	63.52	69.73	80.13	90.40	93.58	86.77	84.93	74.00	58.73	49.06
2023	52.71	57.29	59.68	70.50	82.48	89.13	90.00	88.87	86.10	75.45	61.41	55.26
2024	42.16	61.31	66.10	73.40	82.90	90.20	88.58	90.32	82.00	79.23	64.13	51.77
2025	43.81	50.46	69.33	75.00	77.10	86.66	M	M	M	M	M	M
NCEI Climatology	45.70	50.84	59.80	70.00	78.21	86.39	89.40	88.90	82.61	72.00	58.80	48.69

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	33.24
2006	36.27	29.95	41.76	55.74	61.44	67.97	71.31	71.92	57.62	47.68	40.10	35.84
2007	31.27	28.99	46.99	47.98	62.98	68.87	68.91	72.59	63.96	53.21	39.82	33.61
2008	28.05	32.39	40.45	47.34	58.21	70.05	72.59	69.26	62.19	48.71	37.56	30.07
2009	27.64	35.79	42.91	49.91	60.43	70.88	69.45	67.42	62.66	48.65	43.19	30.21
2010	25.92	26.71	41.00	53.70	63.50	74.19	73.74	73.04	62.43	49.15	39.83	29.16
2011	27.33	32.41	42.26	53.56	59.64	73.88	75.61	72.00	57.46	46.79	43.83	34.73
2012	33.90	36.79	51.28	54.30	63.81	66.55	74.04	67.42	61.83	47.44	36.34	36.44
2013	31.46	33.05	35.49	48.07	58.71	68.58	68.59	68.63	62.83	50.72	35.83	30.76
2014	22.81	26.32	33.88	49.57	56.02	69.90	67.20	70.24	61.31	52.46	34.81	36.61
2015	28.42	25.06	40.56	52.92	61.67	70.82	74.35	67.76	62.08	50.80	45.15	40.74
2016	30.18	34.74	45.79	53.02	58.79	71.64	73.86	72.48	63.69	54.46	42.59	33.96
2017	35.93	40.46	44.09	53.58	59.21	67.32	M	68.64	60.63	50.44	40.40	30.94
2018	24.25	35.69	42.62	42.93	66.05	70.90	71.68	69.07	65.21	51.60	35.46	34.99
2019	35.37	39.75	38.44	51.58	61.98	67.23	71.31	70.77	68.15	49.11	34.67	35.35
2020	35.39	34.75	46.45	48.87	58.22	68.15	72.69	67.95	61.60	47.41	41.03	31.65
2021	31.90	24.25	43.42	47.13	56.81	68.40	70.58	71.00	62.27	54.90	36.47	42.39
2022	25.32	28.68	39.87	49.90	61.29	67.30	73.74	69.65	59.60	46.87	38.43	33.29
2023	37.13	39.11	42.90	50.03	60.84	67.53	71.42	69.06	60.83	50.81	39.85	35.87
2024	26.19	38.90	44.10	53.33	64.26	68.13	70.16	67.29	62.70	48.90	45.60	36.19
2025	26.29	32.39	43.63	53.65	59.61	69.77	M	M	M	M	M	M
NCEI Climatology	29.60	33.31	41.40	50.80	60.40	68.80	72.00	70.00	62.19	50.19	40.40	32.90

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	44.13
2006	46.36	38.70	52.06	67.16	71.41	79.29	81.96	81.14	69.72	59.51	50.08	44.46
2007	38.65	38.74	59.04	58.49	73.53	79.29	78.83	85.44	74.64	64.04	50.76	41.75
2008	36.83	41.40	50.25	57.48	69.30	80.82	82.48	78.57	71.57	61.23	47.71	39.03
2009	36.93	45.12	52.36	59.92	69.02	81.32	78.22	76.94	71.43	57.54	53.88	37.09
2010	33.93	34.40	51.34	65.16	72.32	84.39	83.53	83.03	74.22	63.58	50.90	36.98
2011	35.07	41.18	50.40	63.92	68.36	84.14	85.26	81.39	68.95	59.92	52.37	42.77
2012	43.05	45.58	62.00	64.60	74.65	78.05	84.11	78.49	71.92	58.66	47.83	45.11
2013	40.23	41.12	44.52	58.15	68.17	78.39	78.11	77.66	74.38	61.13	45.96	38.81
2014	33.74	35.28	44.42	59.86	67.89	78.88	76.61	81.17	72.84	64.20	44.83	42.94
2015	37.64	33.18	48.61	62.57	70.98	80.79	83.75	77.49	73.72	62.78	53.68	49.86
2016	38.90	45.42	55.79	63.19	69.40	81.66	83.92	80.97	75.87	67.35	54.32	41.72
2017	43.89	51.01	54.01	64.36	69.22	76.78	M	76.69	72.83	62.88	51.65	39.95
2018	33.70	44.44	52.87	53.97	76.50	81.36	81.45	78.52	74.81	61.97	44.71	42.46
2019	40.44	45.38	47.63	61.34	70.73	76.34	80.09	79.47	78.73	59.83	45.12	44.23
2020	42.66	42.84	54.53	58.40	67.12	77.83	82.16	78.28	71.02	57.76	52.75	41.24
2021	39.76	32.57	53.85	58.42	67.06	78.07	80.53	80.55	73.73	65.48	47.70	52.15
2022	36.52	39.75	51.69	59.82	70.71	78.85	83.66	78.21	72.27	60.44	48.58	41.18
2023	44.92	48.20	51.29	60.27	71.66	78.33	80.71	78.97	73.47	63.13	50.63	45.56
2024	34.18	50.10	55.10	63.37	73.58	79.17	79.37	78.81	72.35	64.06	54.87	43.98
2025	35.05	41.43	56.48	64.33	68.35	78.22	M	M	M	M	M	M
NCEI Climatology	37.65	42.08	50.60	60.40	69.30	77.60	80.70	79.45	72.40	61.10	49.60	40.80

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	70.1%	70.3%	66.1%	64.2%	70.0%	64.4%	70.9%	79.1%	73.7%	72.5%	77.2%	75.8%
2007	75.6%	66.2%	66.7%	62.0%	69.4%	73.3%	78.3%	65.5%	76.8%	76.8%	73.3%	84.1%
2008	73.4%	75.9%	77.9%	74.0%	71.0%	63.9%	72.7%	77.3%	79.1%	69.1%	69.5%	74.2%
2009	71.2%	70.2%	72.7%	68.8%	75.4%	69.5%	75.0%	79.9%	83.2%	81.9%	74.4%	78.2%
2010	75.7%	73.7%	71.3%	62.6%	73.2%	68.4%	76.1%	74.7%	72.2%	54.8%	71.3%	75.8%
2011	75.8%	79.0%	76.8%	72.2%	73.4%	63.5%	74.1%	77.5%	73.5%	68.9%	76.9%	83.0%
2012	72.0%	73.9%	71.7%	66.4%	63.4%	67.2%	73.5%	71.7%	78.8%	72.0%	73.9%	81.9%
2013	80.2%	75.9%	71.8%	72.9%	76.0%	70.9%	76.4%	83.0%	77.6%	81.5%	73.9%	80.7%
2014	60.7%	73.3%	72.3%	68.2%	71.6%	80.1%	77.0%	75.7%	75.9%	75.5%	70.7%	85.2%
2015	72.9%	71.2%	83.7%	75.5%	74.6%	72.9%	78.5%	79.6%	76.6%	69.7%	80.0%	82.1%
2016	75.8%	66.1%	72.2%	67.3%	71.1%	75.1%	79.2%	84.4%	76.3%	74.4%	70.9%	77.5%
2017	79.3%	72.2%	70.9%	73.2%	72.7%	75.1%	M	84.7%	75.7%	70.4%	74.2%	71.8%
2018	74.5%	83.8%	70.0%	68.5%	73.0%	72.0%	79.0%	83.7%	84.0%	79.4%	80.3%	82.0%
2019	79.5%	82.5%	69.4%	73.2%	79.2%	75.0%	78.9%	82.5%	76.2%	76.5%	79.0%	81.7%
2020	81.8%	76.9%	79.2%	72.4%	76.0%	73.1%	79.6%	79.1%	82.2%	80.3%	72.9%	78.3%
2021	77.5%	79.4%	73.0%	68.9%	71.5%	73.6%	76.7%	77.7%	76.3%	76.9%	72.6%	82.4%
2022	71.7%	73.7%	68.5%	68.8%	75.4%	68.1%	73.8%	82.7%	71.5%	62.5%	74.2%	78.9%
2023	81.1%	74.9%	73.6%	64.7%	66.9%	71.2%	79.7%	81.5%	74.6%	67.5%	71.8%	74.5%
2024	79.8%	72.0%	70.5%	67.7%	75.8%	75.4%	78.8%	73.9%	78.6%	67.6%	78.4%	79.0%
2025	72.3%	77.5%	58.0%	70.8%	76.7%	74.5%	M	M	M	M	M	M