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 (USC00411398) 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	M	M	0.00	1.49	0.00
2004	0.52	0.09	0.63	1.68	0.23	4.84	0.47	0.71	1.40	2.11	1.83	0.08
2005	0.11	1.03	1.02	0.08	1.25	0.21	2.49	1.03	0.04	0.92	0.02	0.10
2006	0.12	0.01	0.93	0.25	1.40	0.57	0.42	0.07	1.58	0.33	0.01	0.88
2007	2.56	0.01	0.98	1.46	2.46	2.70	4.96	1.87	1.78	0.14	0.05	0.10
2008	0.10	0.11	0.63	0.27	1.71	0.16	0.91	4.88	0.42	0.16	0.00	0.08
2009	0.04	0.04	2.53	0.51	1.04	0.09	1.02	0.00	4.63	1.81	1.20	0.48
2010	1.83	1.79	1.06	1.79	1.89	0.92	1.45	0.20	3.09	0.00	0.00	0.46
2011	0.58	0.17	0.09	0.00	2.05	1.41	1.42	0.03	0.62	2.62	1.61	2.18
2012	0.93	0.82	0.35	0.14	2.89	0.03	1.86	0.45	4.58	0.03	0.07	0.15
2013	1.39	0.03	0.06	2.69	2.73	2.72	0.79	0.33	2.10	3.59	0.19	0.47
2014	0.07	0.17	0.55	1.71	5.16	1.16	2.25	1.65	3.10	0.46	1.87	0.30
2015	1.35	M	1.74	1.72	11.00	2.31	0.03	0.14	M	2.70	2.37	0.78
2016	0.07	1.55	1.08	1.57	5.95	2.72	1.02	6.22	2.74	M	1.97	2.06
2017	0.77	1.53	1.88	2.58	3.61	0.77	0.50	0.73	7.67	M	0.11	1.08
2018	0.18	0.69	0.74	0.17	1.95	0.08	0.56	1.29	13.34	4.85	0.19	1.50
2019	0.20	0.36	0.05	2.41	2.67	2.95	0.03	1.11	0.08	1.48	0.17	0.09
2020	1.56	0.22	0.58	2.58	0.92	0.54	0.58	0.09	0.99	0.00	0.21	0.00
2021	0.05	0.04	0.00	1.68	4.05	0.19	0.56	1.76	0.30	1.08	0.42	0.02
2022	0.00	0.20	0.00	0.28	0.42	0.03	1.62	5.30	0.58	1.58	0.07	0.04
2023	0.00	0.00	0.08	0.40	0.69	0.01	1.68	1.09	0.25	1.87	0.29	0.03
2024	0.04	0.08	0.00	0.10	1.07	1.49	2.93	0.36	4.27	0.06	0.61	0.02
2025	0.02	M	1.38	0.16	3.27	0.08	M	M	M	M	M	M
NCEI Climatology	1.14	1.03	2.01	1.93	3.46	3.00	2.18	2.94	3.94	2.68	2.10	1.31

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	M	M	9.3	6.0	5.9
2004	6.2	6.9	7.8	7.2	8.4	8.1	6.8	6.7	5.6	5.8	6.0	4.7
2005	5.4	5.0	7.0	7.8	7.9	8.3	7.5	6.9	6.5	6.2	5.5	5.4
2006	6.2	6.8	8.9	8.8	9.2	8.0	8.3	8.4	6.5	6.8	7.0	6.0
2007	5.6	6.1	8.4	8.2	7.0	7.0	6.3	6.4	5.4	6.5	6.3	6.8
2008	6.4	7.2	9.3	8.8	8.9	11.0	8.7	6.2	4.8	6.8	5.5	4.8
2009	4.3	7.4	7.9	8.2	6.4	7.2	4.2	4.5	4.7	6.7	4.6	4.8
2010	6.9	7.1	8.2	8.0	8.7	9.8	7.8	7.5	6.2	6.1	7.9	6.3
2011	6.5	8.6	9.0	10.1	10.1	9.5	8.6	7.9	6.6	7.7	7.9	6.0
2012	5.6	6.8	8.2	8.4	7.8	8.9	8.4	7.8	7.2	6.9	5.5	5.7
2013	6.4	7.9	8.5	8.6	8.6	6.9	4.5	7.2	6.6	6.4	5.7	4.4
2014	5.4	6.5	7.5	8.1	8.6	9.1	7.6	7.4	6.5	6.3	6.3	5.7
2015	4.7	5.9	5.7	6.4	8.6	6.6	8.3	6.5	6.3	6.7	5.5	5.2
2016	5.2	6.4	6.7	6.6	7.7	5.2	7.6	5.2	3.9	3.2	2.5	3.4
2017	5.4	4.4	4.9	5.4	6.1	4.9	5.5	5.4	7.0	5.5	4.7	4.2
2018	5.6	6.4	7.1	7.8	8.3	9.9	7.5	7.8	5.9	5.9	5.6	6.6
2019	5.7	6.2	7.4	8.1	8.8	7.0	8.2	7.6	8.0	7.1	5.6	5.3
2020	6.3	6.8	7.5	7.3	7.7	7.9	8.2	7.5	6.7	7.2	6.8	6.6
2021	5.8	5.4	9.0	8.7	8.2	7.1	7.5	7.3	6.4	5.7	5.3	5.2
2022	5.1	6.6	8.3	9.2	9.6	9.0	8.5	6.2	3.9	4.9	5.1	4.3
2023	5.2	6.5	7.0	6.9	5.4	5.8	5.1	3.8	6.7	6.6	4.7	5.3
2024	6.0	6.9	7.6	9.3	8.4	8.7	7.4	7.3	6.0	6.3	6.5	5.6
2025	5.7	6.0	8.5	9.6	7.6	8.3	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
2003	M	M	M	M	M	M	M	M	M	80.69	71.45	70.56
2004	65.45	66.57	78.10	77.40	84.39	89.49	91.10	93.97	88.13	85.65	70.75	68.70
2005	69.18	64.29	74.53	81.49	85.42	93.58	96.93	93.14	94.88	79.67	74.66	66.08
2006	72.70	71.09	79.73	90.44	96.05	98.96	98.60	100.63	92.12	86.29	78.26	66.03
2007	63.99	68.61	74.45	75.86	81.94	87.74	87.57	90.76	88.52	85.77	72.92	68.39
2008	62.54	75.70	78.16	85.64	93.72	98.42	94.13	94.30	88.94	84.61	75.92	66.97
2009	69.24	76.41	78.51	84.19	93.96	100.07	101.75	99.85	87.89	79.34	70.93	57.87
2010	59.70	60.75	72.66	79.35	88.92	95.92	93.25	99.47	90.06	86.32	76.42	68.05
2011	63.21	71.09	83.10	92.12	92.62	98.06	98.19	100.69	95.36	84.03	74.41	61.38
2012	66.14	65.83	77.46	88.88	88.96	98.14	96.94	99.41	90.98	82.10	74.76	68.74
2013	65.68	72.64	78.58	81.03	89.32	94.10	95.46	98.55	92.22	83.03	68.18	60.63
2014	62.91	68.34	72.77	84.27	88.31	93.98	96.13	98.41	91.08	87.32	67.33	65.42
2015	60.48	62.72	69.78	78.51	82.91	88.43	93.92	97.98	93.86	84.70	69.73	67.45
2016	63.35	71.91	75.45	80.65	84.85	90.63	97.87	92.82	89.05	86.65	76.29	62.93
2017	70.25	76.18	77.67	81.49	86.38	93.41	98.46	96.46	91.33	80.73	74.91	61.90
2018	60.90	69.60	77.85	80.59	91.61	97.91	99.22	97.11	84.97	76.86	67.25	64.18
2019	62.09	65.97	70.12	80.76	85.05	91.01	94.53	99.61	95.79	83.24	69.82	69.29
2020	68.03	67.52	79.42	81.90	89.60	92.52	99.40	99.61	89.20	85.69	77.57	68.45
2021	64.84	66.64	77.35	82.13	84.00	90.43	92.97	94.10	94.57	87.04	73.43	74.29
2022	63.90	65.43	78.26	87.37	93.17	99.27	100.55	94.32	89.69	82.77	68.43	63.85
2023	70.00	71.01	78.35	82.33	85.43	92.72	98.90	101.39	97.50	82.26	68.73	68.00
2024	60.68	73.14	78.19	85.90	91.81	95.69	95.06	99.81	91.90	88.13	78.30	70.58
2025	58.39	69.81	82.94	85.80	90.84	91.37	M	M	M	M	M	M
NCEI Climatology	62.69	67.10	73.50	79.90	86.20	91.50	93.90	94.60	89.61	81.00	70.59	63.60

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	M	M	M	57.03	51.27	45.51
2004	46.26	43.54	57.77	59.10	65.71	70.67	71.10	70.52	67.93	65.68	50.38	36.98
2005	45.01	48.76	48.59	55.56	64.73	70.66	72.41	70.79	69.20	57.43	46.88	38.68
2006	42.28	42.09	56.50	65.12	67.83	72.02	74.45	76.71	69.92	64.62	53.12	43.61
2007	41.17	42.67	54.24	54.68	65.15	69.50	71.31	72.30	69.32	58.13	50.12	39.90
2008	37.92	44.10	48.72	58.04	69.16	73.52	71.37	73.17	67.10	57.20	48.20	40.29
2009	39.35	47.68	52.84	57.24	68.34	73.97	75.34	75.27	69.61	60.33	47.22	38.20
2010	38.92	39.42	45.52	58.25	66.45	73.68	74.96	73.97	70.56	56.79	49.64	39.97
2011	39.06	41.70	56.09	64.16	66.61	72.44	73.11	74.97	69.26	58.13	49.21	43.15
2012	41.35	47.21	54.35	60.50	66.20	73.91	74.57	75.82	69.42	63.35	53.56	44.71
2013	43.61	45.72	50.01	57.79	65.58	73.20	73.31	73.96	70.56	62.12	48.31	39.12
2014	34.43	42.66	48.83	58.82	62.75	73.60	72.99	73.80	71.18	62.85	45.16	46.18
2015	38.22	42.20	50.24	60.63	66.44	70.48	72.51	71.73	69.92	62.40	51.77	41.85
2016	37.67	43.45	52.51	57.59	65.46	69.72	73.14	72.56	69.24	61.13	54.34	46.92
2017	42.81	49.12	55.70	57.94	63.56	69.71	72.30	72.11	67.88	56.82	51.63	41.00
2018	35.50	49.10	53.99	55.61	66.48	73.90	72.33	72.07	70.58	61.32	45.76	41.48
2019	47.28	52.04	51.53	55.03	67.49	71.50	70.79	73.85	72.54	59.03	46.47	39.42
2020	44.71	41.72	58.52	56.87	64.25	70.19	74.06	72.90	66.97	58.06	52.70	38.35
2021	39.77	44.86	51.00	58.33	65.32	71.13	72.16	72.48	67.33	61.63	49.67	51.61
2022	36.87	35.89	46.48	63.13	69.20	72.13	74.35	73.65	67.75	57.74	49.10	43.42
2023	42.87	44.57	55.45	59.03	65.49	72.43	73.61	73.84	71.20	61.97	50.27	43.68
2024	36.19	48.24	54.58	62.27	71.68	75.00	73.45	74.42	70.10	63.26	52.93	48.16
2025	36.52	46.07	53.45	61.73	66.71	73.68	M	M	M	M	M	M
NCEI Climatology	34.51	39.22	46.40	53.81	62.99	69.50	71.20	70.91	65.30	56.00	44.69	36.50

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	M	M	M	68.86	61.36	58.04
2004	55.85	55.06	67.94	68.25	75.05	80.08	81.10	82.24	78.03	75.67	60.56	52.84
2005	57.09	56.52	61.56	68.52	75.07	82.12	84.67	81.96	82.04	68.55	60.77	52.38
2006	57.49	56.59	68.12	77.78	81.94	85.49	86.52	88.67	81.02	75.45	65.69	54.82
2007	52.58	55.64	64.34	65.27	73.55	78.62	79.44	81.53	78.92	71.95	61.52	54.15
2008	50.23	59.90	63.44	71.84	81.44	85.97	82.75	83.74	78.02	70.90	62.06	53.63
2009	54.30	62.05	65.67	70.71	81.15	87.02	88.55	87.56	78.75	69.84	59.08	48.04
2010	49.31	50.09	59.09	68.80	77.68	84.80	84.11	86.72	80.31	71.55	63.03	54.01
2011	51.13	56.40	69.59	78.14	79.61	85.25	85.65	87.83	82.31	71.08	61.81	52.26
2012	53.75	56.52	65.91	74.69	77.58	86.03	85.75	87.61	80.20	72.72	64.16	56.72
2013	54.65	59.18	64.30	69.41	77.45	83.65	84.39	86.26	81.39	72.58	58.25	49.88
2014	48.67	55.50	60.80	71.55	75.53	83.79	84.56	86.11	81.13	75.08	56.25	55.80
2015	49.35	52.46	60.01	69.57	74.67	79.45	83.21	84.86	81.89	73.55	60.75	54.65
2016	50.51	57.68	63.98	69.12	75.15	80.17	85.50	82.69	79.14	73.89	65.31	54.93
2017	56.53	62.65	66.69	69.72	74.97	81.56	85.38	84.29	79.61	68.78	63.27	51.60
2018	48.20	59.35	65.92	68.10	79.05	85.90	85.77	84.59	77.77	69.09	56.51	52.83
2019	54.69	59.00	60.82	67.90	76.27	81.26	82.66	86.73	84.16	71.13	58.14	54.35
2020	56.37	54.62	68.97	69.38	76.93	81.36	86.73	86.25	78.08	71.88	65.13	53.40
2021	52.31	55.75	64.18	70.23	74.66	80.78	82.56	83.29	80.95	74.33	61.55	62.95
2022	50.39	50.66	62.37	75.25	81.18	85.70	87.45	83.98	78.72	70.26	58.77	53.63
2023	56.44	57.79	66.90	70.68	75.46	82.58	86.26	87.61	84.35	72.11	59.50	55.84
2024	48.44	60.69	66.39	74.08	81.74	85.36	84.26	87.11	81.00	75.75	65.62	59.37
2025	47.45	57.94	68.19	73.77	78.77	82.52	M	M	M	M	M	M
NCEI Climatology	48.60	53.16	59.95	66.85	74.60	80.50	82.55	82.75	77.45	68.50	57.64	50.05

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
2003	M	M	M	M	M	M	M	M	M	68.6%	66.3%	52.8%
2004	64.5%	59.9%	63.2%	72.3%	75.5%	76.5%	72.6%	66.3%	72.2%	76.5%	76.9%	59.4%
2005	69.7%	75.8%	64.0%	57.5%	71.0%	65.8%	63.3%	64.5%	58.3%	69.3%	61.4%	54.8%
2006	48.1%	53.9%	60.5%	61.2%	56.3%	52.5%	61.4%	55.2%	62.3%	65.8%	59.4%	64.1%
2007	75.3%	66.7%	73.2%	75.1%	80.3%	80.6%	84.6%	79.3%	79.5%	64.2%	69.8%	62.9%
2008	60.3%	54.7%	60.3%	58.1%	60.9%	58.1%	68.6%	71.2%	64.9%	60.1%	58.5%	59.3%
2009	54.1%	50.0%	63.2%	54.5%	61.5%	56.0%	55.2%	51.3%	72.8%	77.5%	78.4%	76.5%
2010	70.9%	71.3%	62.2%	72.2%	68.9%	67.0%	74.3%	57.1%	74.5%	55.0%	51.6%	58.0%
2011	61.3%	54.6%	57.5%	50.3%	57.8%	54.1%	55.9%	48.3%	44.6%	57.7%	60.5%	75.2%
2012	65.4%	72.5%	70.7%	56.1%	68.0%	54.3%	61.4%	50.5%	62.8%	68.0%	62.2%	60.2%
2013	67.6%	50.5%	48.0%	63.8%	64.3%	67.6%	59.6%	55.0%	67.6%	70.6%	70.6%	74.9%
2014	55.9%	69.1%	61.5%	57.8%	62.6%	70.4%	64.0%	57.5%	72.3%	64.2%	67.3%	79.7%
2015	68.8%	71.9%	76.2%	77.3%	83.2%	78.8%	70.0%	61.0%	61.3%	64.7%	77.3%	76.8%
2016	69.6%	59.1%	72.4%	71.6%	75.4%	73.0%	64.5%	72.9%	75.5%	68.1%	73.6%	75.2%
2017	60.5%	63.6%	72.6%	71.3%	68.3%	68.6%	61.4%	62.3%	63.5%	65.9%	74.4%	77.1%
2018	61.2%	75.7%	62.1%	61.9%	66.6%	62.4%	58.3%	60.0%	84.1%	84.9%	71.4%	65.5%
2019	71.5%	75.4%	68.2%	69.6%	80.9%	75.1%	62.3%	60.5%	62.8%	62.0%	71.9%	60.2%
2020	67.7%	66.0%	73.7%	69.8%	68.0%	67.7%	62.5%	56.6%	66.5%	60.4%	64.8%	59.0%
2021	66.2%	76.1%	59.0%	62.2%	80.3%	80.3%	76.7%	73.9%	61.9%	66.2%	70.5%	79.1%
2022	52.4%	59.1%	44.1%	61.4%	69.0%	55.9%	56.2%	70.5%	72.9%	61.1%	74.9%	74.6%
2023	59.7%	60.5%	65.0%	66.5%	81.7%	78.8%	63.4%	55.8%	58.8%	71.9%	80.1%	74.8%
2024	66.6%	63.6%	68.8%	65.4%	78.4%	72.7%	71.7%	57.8%	65.6%	57.6%	60.3%	68.7%
2025	62.4%	67.9%	51.1%	64.7%	67.7%	75.5%	M	M	M	M	M	M