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 (USC00417841) 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
2003	M	M	M	M	M	M	M	1.89	1.93	2.39	2.14	2.22
2004	3.09	5.23	1.13	3.11	0.00	0.00	0.78	1.74	0.45	5.51	6.22	1.85
2005	2.42	3.24	1.12	1.79	1.13	0.57	1.75	2.45	0.57	0.80	0.60	0.33
2006	3.26	2.74	3.16	2.44	1.46	2.94	3.59	0.36	1.33	4.80	2.54	4.30
2007	6.19	0.57	2.19	2.20	6.27	5.50	9.48	1.28	0.75	0.31	0.58	3.00
2008	1.73	2.42	5.16	1.61	2.44	1.94	0.01	5.01	2.15	3.10	3.29	0.94
2009	1.12	1.13	4.93	2.58	0.51	0.74	1.48	1.39	2.25	6.38	0.60	2.75
2010	1.46	2.16	2.70	0.52	0.28	3.10	2.89	1.33	1.52	1.80	2.56	0.41
2011	3.27	0.89	0.40	1.32	0.33	0.04	0.95	0.05	1.29	1.88	2.05	4.17
2012	2.63	2.85	5.52	1.11	2.34	3.13	0.00	0.45	9.75	1.18	1.00	2.67
2013	2.77	2.84	2.57	0.74	1.52	3.85	4.65	0.36	3.28	6.05	2.79	1.02
2014	0.46	0.70	2.09	1.35	5.72	2.00	1.52	1.08	0.21	1.33	1.83	0.66
2015	1.91	0.41	2.01	1.96	2.87	0.80	M	0.09	0.01	0.24	0.17	0.27
2016	0.49	1.45	5.24	7.54	4.70	6.34	0.14	8.56	0.49	1.13	2.72	2.69
2017	3.38	2.38	2.67	4.01	6.79	2.34	1.34	5.33	1.06	1.23	1.99	3.36
2018	0.91	5.13	4.39	3.50	1.45	0.53	3.91	0.63	2.77	9.30	4.98	7.79
2019	3.81	1.79	1.56	4.13	4.38	4.62	2.93	0.22	1.07	4.62	0.47	0.91
2020	3.37	6.58	5.47	2.35	1.96	2.38	3.17	1.31	5.49	1.60	0.43	5.93
2021	3.04	1.02	4.18	4.52	9.64	2.91	9.88	1.67	0.20	0.91	2.96	1.49
2022	1.19	2.41	4.59	3.43	1.99	0.45	1.15	3.29	0.39	0.66	3.47	3.77
2023	3.32	1.77	4.74	2.70	2.67	2.07	0.11	0.11	1.52	1.55	1.34	0.53
2024	8.92	2.70	2.85	5.09	9.79	5.84	8.50	1.02	M	M	M	M
2025	0.20	2.75	2.45	6.03	5.39	9.16	1.55	M	M	M	M	M
NCEI Climatology	4.36	4.42	4.46	4.04	4.58	4.51	3.38	3.35	3.67	4.65	3.98	4.88

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	4.2	3.7	4.6	6.7	7.1
2004	6.4	6.9	6.8	6.2	3.0	4.5	4.5	4.7	3.9	5.9	5.9	6.1
2005	7.1	5.9	6.9	7.0	5.0	4.8	4.2	4.1	4.8	4.7	6.7	6.7
2006	8.3	7.4	8.1	7.3	6.5	4.5	5.3	5.4	5.3	5.8	6.8	6.2
2007	5.6	7.4	6.7	6.2	4.9	4.7	3.9	3.8	3.7	5.1	5.8	6.6
2008	6.9	7.6	8.3	7.3	6.4	6.8	5.4	4.5	5.0	4.5	5.9	7.5
2009	6.9	7.9	7.6	8.3	5.7	5.6	4.9	5.0	4.2	6.3	4.9	6.5
2010	6.3	6.0	7.3	7.0	6.6	5.3	4.8	5.0	4.5	5.3	7.2	8.0
2011	5.9	8.5	7.7	9.8	8.8	7.3	5.7	6.0	5.7	5.5	7.8	6.1
2012	7.3	6.3	7.5	6.9	6.1	4.8	4.9	5.5	4.7	6.2	5.1	7.0
2013	7.0	6.4	7.6	7.4	7.7	5.3	4.8	4.6	3.8	4.9	4.0	2.8
2014	6.0	5.8	6.5	7.6	6.8	6.3	3.9	5.0	4.3	5.6	6.9	6.1
2015	5.2	5.9	5.8	6.6	6.4	4.3	6.2	4.7	4.4	5.8	5.7	6.4
2016	6.3	7.3	7.6	6.1	5.8	4.5	5.9	4.1	3.7	4.6	5.1	6.1
2017	6.1	7.6	7.4	7.1	6.6	5.4	4.7	5.2	4.2	5.4	5.7	5.7
2018	6.5	7.2	7.0	7.1	5.2	6.6	3.8	5.9	3.9	5.8	6.5	6.6
2019	6.7	7.0	6.6	7.4	6.1	5.1	5.5	1.9	5.3	5.3	5.9	5.2
2020	5.8	7.2	6.7	5.4	6.2	5.6	4.0	4.8	4.6	5.0	4.8	5.8
2021	5.9	4.7	6.2	4.0	4.0	3.2	2.4	1.5	2.9	5.3	5.4	6.7
2022	6.1	5.9	6.7	7.7	6.9	5.3	5.8	4.8	3.8	5.6	4.7	5.5
2023	7.0	6.9	6.8	6.5	3.9	4.3	4.9	5.2	4.3	6.0	5.4	5.0
2024	6.1	6.7	5.7	7.0	5.5	4.1	4.0	3.3	M	M	M	M
2025	7.0	7.1	8.7	8.0	6.3	6.0	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
2003	M	M	M	M	M	M	92.97	94.01	86.21	80.80	71.88	63.06
2004	57.23	53.72	71.19	73.32	83.12	83.99	89.89	90.01	87.10	80.48	62.76	56.86
2005	57.79	61.06	66.95	73.86	81.56	91.32	90.63	93.26	91.10	78.28	70.28	59.35
2006	65.68	57.91	68.52	79.22	83.83	90.74	91.94	95.35	88.28	78.68	68.42	59.46
2007	57.95	60.91	70.79	73.58	81.76	87.08	86.93	92.62	87.56	79.21	68.99	61.79
2008	54.12	64.59	69.80	73.82	81.18	89.54	94.07	89.14	80.97	75.90	66.08	59.41
2009	60.10	65.08	67.94	73.60	82.09	91.47	92.40	92.19	83.15	72.51	67.50	52.65
2010	53.93	50.71	65.00	76.46	87.53	91.50	91.73	96.40	88.84	80.17	66.65	58.47
2011	53.11	60.65	71.07	81.32	82.57	95.00	97.26	101.21	90.92	78.22	66.98	55.81
2012	62.54	61.05	73.52	78.62	84.65	89.74	89.84	91.74	85.69	74.75	68.77	60.79
2013	57.41	60.30	65.92	73.45	80.53	88.86	89.97	94.17	90.52	75.87	60.86	55.10
2014	55.95	56.91	63.67	73.14	79.54	85.53	88.82	91.14	87.70	79.71	61.97	58.46
2015	54.88	56.83	65.68	77.28	81.10	88.75	94.88	94.92	91.26	80.49	66.62	64.56
2016	57.40	65.28	72.16	76.63	79.80	88.44	94.23	90.92	87.97	81.77	71.71	59.66
2017	62.41	69.93	72.99	77.94	80.76	86.65	91.88	87.54	86.65	79.33	71.02	57.85
2018	54.45	61.85	72.53	73.11	87.39	92.95	94.48	94.80	85.42	75.43	61.19	57.08
2019	56.14	59.60	65.59	75.07	82.57	87.02	90.18	93.95	91.88	76.36	65.38	62.47
2020	59.77	59.60	72.12	73.04	81.88	89.00	91.02	94.10	82.17	75.61	71.91	59.67
2021	56.67	52.69	69.51	72.41	78.36	87.60	86.44	89.15	87.71	81.56	67.56	70.24
2022	57.94	58.15	69.00	77.17	86.35	94.33	96.55	90.35	89.27	79.90	64.02	59.69
2023	59.49	65.41	70.56	74.74	82.57	90.25	95.52	100.94	90.81	79.32	68.05	62.28
2024	53.57	66.34	69.17	77.39	83.23	89.69	88.47	93.22	M	M	M	M
2025	52.72	61.14	74.12	78.70	82.13	87.94	88.62	M	M	M	M	M
NCEI Climatology	55.60	59.62	66.90	74.00	80.70	87.10	90.70	91.71	86.20	76.40	65.30	57.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	74.89	75.54	67.81	61.92	53.90	43.19
2004	41.06	38.66	52.97	54.72	67.44	69.06	72.06	71.86	69.29	66.22	49.11	38.94
2005	41.78	46.20	48.27	54.65	62.22	71.15	72.20	72.82	71.30	57.03	52.46	40.71
2006	46.05	39.52	51.92	59.54	64.34	68.72	71.24	73.81	67.94	58.65	48.74	44.02
2007	38.15	41.84	53.02	54.92	65.97	71.54	72.30	75.32	70.46	59.75	51.24	41.46
2008	37.63	42.43	48.84	55.04	63.41	71.24	71.77	71.89	65.64	55.81	48.14	39.49
2009	38.74	45.22	48.91	54.43	64.34	71.62	73.82	72.34	66.76	55.66	49.94	36.43
2010	37.06	35.41	44.65	56.36	66.64	73.67	74.42	75.77	69.63	58.44	49.39	40.63
2011	36.61	40.39	51.15	59.90	61.96	72.56	74.97	77.12	67.58	57.43	48.98	40.59
2012	42.51	45.28	56.15	59.48	66.15	70.31	72.19	72.65	66.94	56.37	47.50	44.03
2013	41.01	43.48	44.66	51.87	61.48	70.60	70.81	72.31	69.66	59.23	43.97	37.73
2014	34.62	39.29	43.62	55.09	61.27	70.98	71.77	73.35	69.46	60.95	44.51	44.77
2015	39.36	39.16	50.10	59.92	65.96	72.46	75.41	73.85	69.97	62.05	51.22	47.61
2016	39.62	45.82	53.04	59.15	63.74	72.28	75.05	74.25	70.63	63.10	53.61	44.89
2017	46.16	51.52	54.41	58.19	62.10	70.98	73.66	72.87	67.80	57.71	53.78	41.26
2018	35.34	45.34	52.38	52.10	67.88	73.60	74.15	73.20	70.99	59.89	44.08	43.02
2019	39.11	44.69	46.73	55.92	65.92	69.82	72.60	75.15	72.33	56.98	44.97	42.95
2020	43.76	41.75	56.54	55.16	62.92	71.22	73.99	72.97	67.22	56.67	52.11	42.41
2021	41.47	35.70	50.09	54.48	62.59	71.54	72.21	72.90	68.55	62.48	46.99	54.45
2022	36.72	36.99	46.94	57.58	67.04	73.16	75.18	73.60	67.71	57.66	47.20	43.95
2023	43.85	45.57	51.79	55.02	64.19	71.54	74.99	76.65	71.04	63.19	53.23	43.43
2024	36.18	48.21	52.44	59.26	67.10	70.95	72.32	74.53	M	M	M	M
2025	36.46	43.95	53.18	60.48	64.86	71.28	72.24	M	M	M	M	M
NCEI Climatology	37.30	40.60	47.29	54.30	62.90	69.91	72.10	71.90	66.79	56.80	46.89	39.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	83.93	84.77	77.01	71.36	62.89	53.12
2004	49.15	46.19	62.08	64.02	75.28	76.53	80.97	80.93	78.19	73.35	55.94	47.90
2005	49.79	53.63	57.61	64.25	71.89	81.24	81.41	83.04	81.20	67.65	61.37	50.03
2006	55.86	48.71	60.22	69.38	74.08	79.73	81.59	84.58	78.11	68.67	58.58	51.74
2007	48.05	51.37	61.90	64.25	73.86	79.31	79.61	83.97	79.01	69.48	60.12	51.63
2008	45.88	53.51	59.32	64.43	72.30	80.39	82.92	80.51	73.31	65.85	57.11	49.45
2009	49.42	55.15	58.42	64.01	73.22	81.54	83.11	82.27	74.95	64.09	58.72	44.54
2010	45.49	43.06	54.82	66.41	77.08	82.58	83.08	86.08	79.23	69.31	58.02	49.55
2011	44.86	50.52	61.11	70.61	72.27	83.78	86.12	89.16	79.25	67.83	57.98	48.20
2012	52.53	53.17	64.84	69.05	75.40	80.03	81.02	82.20	76.31	65.56	58.13	52.41
2013	49.21	51.89	55.29	62.66	71.00	79.73	80.39	83.24	80.09	67.55	52.41	46.41
2014	45.29	48.10	53.65	64.11	70.40	78.25	80.30	82.25	78.58	70.33	53.24	51.61
2015	47.12	48.00	57.89	68.60	73.53	80.60	85.15	84.38	80.61	71.27	58.92	56.08
2016	48.51	55.55	62.60	67.89	71.77	80.36	84.64	82.59	79.30	72.44	62.66	52.28
2017	54.29	60.72	63.70	68.06	71.43	78.82	82.77	80.21	77.23	68.52	62.40	49.56
2018	44.89	53.60	62.45	62.61	77.63	83.28	84.32	84.00	78.20	67.66	52.63	50.05
2019	47.62	52.15	56.16	65.50	74.25	78.42	81.39	84.55	82.10	66.67	55.18	52.71
2020	51.77	50.68	64.33	64.10	72.40	80.11	82.50	83.54	74.70	66.14	62.01	51.04
2021	49.07	44.19	59.80	63.44	70.47	79.57	79.32	81.02	78.13	72.02	57.27	62.34
2022	47.33	47.57	57.97	67.38	76.69	83.74	85.87	81.97	78.49	68.78	55.61	51.82
2023	51.67	55.49	61.18	64.88	73.38	80.89	85.26	88.80	80.93	71.25	60.64	52.86
2024	44.87	57.27	60.80	68.32	75.16	80.32	80.40	83.87	M	M	M	M
2025	44.59	52.54	63.65	69.59	73.50	79.61	80.43	M	M	M	M	M
NCEI Climatology	46.45	50.11	57.10	64.15	71.80	78.50	81.40	81.80	76.50	66.60	56.10	48.65

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
2003	M	M	M	M	M	M	M	63.0%	64.3%	61.9%	65.7%	56.0%
2004	67.3%	68.2%	57.9%	66.8%	78.8%	83.2%	70.8%	62.5%	59.6%	80.0%	88.5%	74.6%
2005	80.7%	73.5%	65.0%	64.8%	69.6%	66.6%	73.8%	70.2%	61.5%	60.8%	56.1%	56.1%
2006	51.9%	71.1%	67.0%	71.4%	67.0%	61.8%	70.9%	70.3%	65.1%	72.3%	68.4%	68.6%
2007	72.1%	67.2%	63.0%	59.0%	78.1%	80.7%	82.3%	74.6%	75.1%	68.3%	72.9%	71.4%
2008	69.6%	67.8%	69.0%	70.0%	72.8%	70.6%	60.9%	73.7%	74.8%	66.6%	67.6%	68.7%
2009	63.8%	63.6%	73.3%	67.4%	75.6%	66.8%	67.6%	70.2%	78.3%	84.4%	72.6%	75.9%
2010	69.8%	74.6%	65.6%	68.1%	66.1%	76.2%	78.9%	63.8%	71.0%	52.0%	70.3%	63.6%
2011	66.1%	71.1%	65.1%	60.3%	64.5%	55.3%	56.1%	44.6%	43.3%	54.7%	69.3%	78.3%
2012	65.7%	72.7%	69.2%	69.2%	66.1%	67.2%	75.3%	65.5%	68.7%	69.5%	63.7%	70.9%
2013	80.0%	66.0%	58.9%	70.1%	70.3%	68.7%	67.8%	60.6%	62.5%	74.5%	72.5%	77.9%
2014	54.4%	73.7%	69.2%	63.8%	67.7%	77.2%	73.4%	72.0%	71.9%	70.1%	66.5%	82.9%
2015	66.4%	74.2%	79.6%	76.1%	80.9%	73.4%	64.5%	57.6%	59.7%	62.8%	78.0%	76.7%
2016	68.4%	58.6%	68.5%	68.9%	76.6%	77.2%	71.7%	78.9%	76.2%	72.0%	73.2%	75.9%
2017	71.8%	73.2%	71.7%	74.2%	75.0%	80.6%	76.9%	81.9%	70.4%	63.6%	74.8%	73.0%
2018	62.6%	87.5%	65.9%	69.5%	71.7%	71.9%	68.0%	65.7%	85.2%	84.6%	77.5%	75.8%
2019	74.8%	82.4%	67.2%	73.3%	80.6%	77.8%	77.0%	72.5%	71.0%	76.7%	72.5%	70.9%
2020	79.2%	74.7%	81.7%	75.8%	74.4%	71.2%	79.4%	66.4%	81.9%	76.0%	68.6%	73.5%
2021	73.6%	80.1%	70.8%	71.8%	82.4%	79.3%	81.4%	77.7%	67.1%	65.5%	70.6%	82.7%
2022	61.9%	66.8%	63.1%	69.9%	74.5%	65.6%	64.0%	74.3%	63.0%	53.6%	78.7%	75.5%
2023	78.1%	74.1%	71.0%	72.0%	75.4%	76.7%	65.2%	51.3%	62.4%	71.9%	77.0%	63.1%
2024	74.1%	69.2%	75.9%	73.3%	81.7%	75.8%	80.7%	70.3%	M	M	M	M
2025	64.4%	76.4%	62.3%	75.6%	79.2%	86.1%	85.4%	M	M	M	M	M