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 (USC00097528) 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
2004	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	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	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	0.02	2.82	1.83	4.04	9.66	3.30	M	6.78	1.00
2025	1.21	0.78	2.85	0.82	6.55	3.14	3.33	2.59	0.50	1.95	0.36	1.77
2026	0.96	1.74	0.63	0.39	4.77	3.69	2.58	3.46	1.60	1.73	M	M
NCEI Climatology	4.23	3.77	4.28	3.33	3.47	5.66	5.91	4.78	3.50	3.21	2.93	3.49

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	5.9	5.9	5.8	4.5	3.7	3.0	3.3	6.8	2.8	3.6	4.6
2005	5.2	5.1	6.8	6.1	4.2	3.9	2.8	2.8	4.5	4.3	4.4	4.7
2006	5.5	4.9	5.2	4.9	4.8	4.1	3.3	3.3	3.3	3.8	4.5	3.6
2007	5.0	5.2	4.2	5.4	5.3	4.2	3.3	2.5	3.9	3.6	2.3	4.0
2008	4.6	5.1	5.7	4.8	5.1	4.5	4.0	4.3	4.6	4.7	4.3	4.9
2009	5.1	5.3	4.8	5.9	5.1	3.7	3.9	2.4	3.9	3.8	3.5	4.9
2010	4.8	5.7	4.6	3.5	3.3	2.3	2.4	2.4	2.1	1.9	4.5	6.2
2011	5.5	5.9	6.5	6.0	5.3	5.3	3.1	3.0	2.9	3.8	4.1	3.7
2012	4.1	4.7	3.8	3.9	3.8	3.5	2.9	M	M	M	M	4.0
2013	3.8	4.4	6.2	4.0	4.2	3.3	2.4	2.2	2.4	M	5.1	3.4
2014	4.8	3.3	5.0	5.0	3.3	3.0	3.0	3.2	3.2	2.4	4.6	3.2
2015	4.9	5.5	4.7	4.0	3.8	2.8	3.0	2.5	0.1	0.0	0.0	2.7
2016	4.8	5.4	4.0	4.9	4.1	3.0	2.5	2.4	M	4.8	3.0	3.9
2017	4.2	4.4	5.2	3.8	3.8	2.4	2.3	2.7	3.5	4.2	3.2	3.9
2018	5.0	3.9	5.9	4.6	2.5	2.4	2.3	2.1	3.0	3.4	3.6	3.2
2019	3.6	3.5	4.2	4.2	4.4	4.2	3.2	2.7	3.5	3.8	3.9	5.5
2020	5.4	5.5	4.7	5.9	4.6	4.3	3.0	2.6	4.0	4.0	4.4	4.4
2021	4.8	5.1	5.3	4.9	4.4	3.5	2.8	2.5	1.8	2.4	3.1	3.3
2022	3.4	2.6	3.7	2.5	2.1	1.6	1.4	0.5	1.8	2.7	4.4	3.5
2023	3.5	4.2	4.3	4.3	4.2	3.6	2.5	2.4	2.3	2.8	3.0	3.3
2024	2.5	3.1	4.2	3.4	2.4	2.9	1.4	3.7	5.0	3.2	2.6	3.9
2025	4.4	4.0	5.8	4.4	3.9	2.2	1.9	1.1	2.9	3.0	3.2	1.8
2026	4.3	5.4	4.9	3.9	3.6	3.4	3.1	2.3	2.9	3.2	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
2004	M	59.00	73.28	79.10	87.97	90.02	92.39	88.85	83.33	77.87	70.46	60.92
2005	62.25	62.79	68.70	76.04	82.98	88.04	92.91	92.27	92.72	80.14	73.82	61.21
2006	66.95	63.18	71.37	83.24	83.36	91.00	96.39	94.94	87.44	79.21	70.34	68.23
2007	63.65	62.15	73.81	76.46	83.85	88.04	88.96	93.14	85.28	79.61	68.78	66.49
2008	56.74	65.95	69.34	74.42	82.63	92.06	90.65	88.38	84.02	73.98	63.32	64.11
2009	57.37	60.93	69.09	75.12	81.51	91.88	90.24	89.83	86.00	75.72	67.70	58.07
2010	54.01	55.27	67.01	81.02	87.45	94.64	94.83	92.27	90.32	79.97	71.60	55.05
2011	55.81	66.65	72.88	82.88	86.35	94.37	105.80	93.43	85.22	74.39	70.10	64.69
2012	63.65	66.01	75.49	78.74	85.54	87.20	95.00	M	M	M	M	63.44
2013	68.06	62.54	64.57	77.47	82.85	89.13	88.31	89.31	88.06	M	63.39	66.22
2014	55.92	65.96	67.04	78.60	85.63	90.81	91.01	91.41	86.91	84.12	68.28	63.74
2015	57.46	57.14	71.62	78.36	86.61	93.69	95.43	90.77	84.52	77.87	73.22	72.68
2016	57.47	64.60	76.13	78.55	84.54	92.99	95.52	M	M	M	M	M
2017	M	M	48.20	79.31	87.80	88.30	89.64	90.65	86.84	80.85	70.53	60.74
2018	56.78	72.53	67.93	74.05	86.89	92.22	91.37	91.21	90.50	81.66	65.42	61.96
2019	60.35	69.53	70.68	79.01	91.30	90.63	94.35	91.64	90.72	80.55	66.46	64.23
2020	63.85	64.19	75.45	77.65	83.02	88.19	93.38	91.59	84.78	81.05	74.10	60.52
2021	59.63	61.85	72.62	77.39	84.87	88.86	89.60	90.25	86.30	79.90	67.72	70.09
2022	59.77	67.94	74.64	78.59	85.45	85.10	92.26	89.79	85.86	77.96	71.21	61.14
2023	64.47	72.03	72.38	79.05	80.02	84.52	89.32	92.34	85.60	78.64	69.24	63.65
2024	56.90	64.79	71.76	79.95	85.72	93.18	93.13	90.86	85.87	78.98	72.12	61.17
2025	54.22	66.66	72.07	81.21	84.82	90.92	94.05	87.72	87.80	75.83	69.13	66.88
2026	57.28	61.59	74.93	80.05	81.89	87.36	92.60	89.78	86.61	76.74	M	M
NCEI Climatology	57.60	62.20	68.50	76.40	83.59	88.60	91.51	90.30	85.21	76.71	67.60	60.00

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	38.80	46.23	51.92	63.65	70.94	71.95	70.09	67.76	59.41	48.50	37.52
2005	41.12	41.71	45.53	51.38	59.99	71.96	75.66	75.61	69.62	58.54	47.90	37.11
2006	44.08	39.84	46.81	57.44	61.57	72.10	72.53	74.97	66.44	52.73	45.86	44.14
2007	43.26	37.08	45.94	48.26	57.49	67.28	69.80	72.53	66.38	59.41	41.24	42.51
2008	35.66	38.39	43.32	51.02	59.29	70.10	71.54	71.08	65.12	49.71	38.24	41.93
2009	35.95	35.15	45.06	51.38	63.32	70.64	70.55	70.61	65.66	55.63	45.44	39.37
2010	32.52	35.15	44.31	53.42	67.30	74.54	74.39	76.42	67.46	54.95	44.12	31.88
2011	34.61	43.57	48.32	56.30	60.86	69.49	M	72.70	64.04	49.48	44.12	40.71
2012	38.21	42.24	53.72	53.90	65.39	67.04	73.54	M	M	M	M	42.56
2013	44.48	40.99	42.51	54.88	61.38	72.10	74.30	73.21	69.11	M	37.72	45.13
2014	33.88	43.23	43.98	55.48	62.22	70.03	71.78	70.58	70.23	57.75	43.72	42.90
2015	36.42	34.18	49.62	58.62	61.51	72.04	74.04	72.32	67.40	56.27	52.79	53.43
2016	37.60	41.23	52.46	54.66	63.01	73.03	75.46	M	M	M	M	M
2017	M	M	48.20	65.94	66.00	70.57	72.88	72.35	65.97	58.05	45.60	42.36
2018	33.74	52.22	43.41	50.12	64.02	71.08	72.62	71.37	71.25	59.56	46.13	43.59
2019	45.02	53.69	47.59	54.54	66.67	69.58	72.36	72.76	68.60	57.80	42.77	43.85
2020	44.85	44.31	54.86	54.01	61.32	69.81	73.33	72.59	67.52	61.94	51.94	36.62
2021	39.95	41.54	49.65	51.17	58.54	70.29	72.02	73.21	64.21	57.65	39.95	47.96
2022	37.16	44.08	49.73	51.21	64.53	70.70	73.57	71.78	64.58	50.39	50.23	40.95
2023	41.51	48.84	49.94	54.65	60.77	65.63	73.92	72.21	64.20	53.67	44.78	42.02
2024	32.20	40.59	49.66	56.40	63.31	69.62	73.82	71.77	68.75	51.90	51.05	35.49
2025	29.36	41.77	45.16	55.21	64.82	71.35	74.51	71.16	63.59	54.71	35.67	41.88
2026	32.63	37.21	47.02	48.97	60.09	66.96	71.04	70.45	63.69	62.11	M	M
NCEI Climatology	35.80	38.60	44.39	50.79	59.60	67.89	71.09	70.70	64.80	53.80	42.59	38.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	48.90	59.75	65.51	75.81	80.48	82.17	79.47	75.54	68.64	59.48	49.22
2005	51.68	52.25	57.11	63.71	71.48	80.00	84.29	83.94	81.17	69.34	60.86	49.16
2006	55.52	51.51	59.09	70.34	72.47	81.55	84.46	84.95	76.94	65.97	58.10	56.18
2007	53.45	49.61	59.87	62.36	70.67	77.66	79.38	82.84	75.83	69.51	55.01	54.50
2008	46.20	52.17	56.33	62.72	70.96	81.08	81.09	79.73	74.57	61.85	50.78	53.02
2009	46.66	48.04	57.08	63.25	72.42	81.26	80.40	80.22	75.83	65.68	56.57	48.72
2010	43.26	45.21	55.66	67.22	77.38	84.59	84.61	84.35	78.89	67.46	57.86	43.47
2011	45.21	55.11	60.60	69.59	73.60	81.93	M	83.07	74.63	61.93	57.11	52.70
2012	50.93	54.13	64.60	66.32	75.46	77.12	84.27	M	M	M	M	53.00
2013	56.27	51.76	53.54	66.18	72.12	80.61	81.30	81.26	78.59	M	50.56	55.68
2014	44.90	54.59	55.51	67.04	73.93	80.42	81.39	80.99	78.57	70.94	56.00	53.32
2015	46.94	45.66	60.62	68.49	74.06	82.86	84.73	81.54	75.96	67.07	63.01	63.06
2016	47.54	52.91	64.29	66.61	73.78	83.01	85.49	M	M	M	M	M
2017	M	M	48.20	72.63	76.90	79.44	81.26	81.50	76.40	69.45	58.06	51.55
2018	45.26	62.38	55.67	62.09	75.45	81.65	81.99	81.29	80.88	70.61	55.77	52.77
2019	52.69	61.61	59.14	66.78	78.98	80.11	83.36	82.20	79.66	69.17	54.61	54.04
2020	54.35	54.25	65.15	65.83	72.17	79.00	83.36	82.09	76.15	71.49	63.02	48.57
2021	49.79	51.69	61.14	64.28	71.71	79.58	80.81	81.73	75.25	68.77	53.84	59.02
2022	48.47	56.01	62.19	64.90	74.99	77.90	82.92	80.79	75.22	64.18	60.72	51.05
2023	52.99	60.43	61.16	66.85	70.40	75.08	81.62	82.28	74.90	66.15	57.01	52.84
2024	44.55	52.69	60.71	68.17	74.51	81.40	83.47	81.32	77.31	65.44	61.58	48.33
2025	41.79	54.21	58.61	68.21	74.82	81.13	84.28	79.44	75.69	65.27	52.40	54.38
2026	44.96	49.40	60.97	64.51	70.99	77.16	81.82	80.12	75.15	69.43	M	M
NCEI Climatology	46.70	50.40	56.44	63.60	71.60	78.25	81.30	80.50	75.01	65.25	55.10	49.05

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
2004	M	80.1%	70.8%	68.5%	76.4%	84.9%	84.3%	85.4%	87.2%	90.0%	84.9%	78.9%
2005	75.9%	78.2%	68.3%	67.0%	72.9%	84.8%	82.4%	82.9%	72.8%	79.3%	73.1%	75.8%
2006	73.4%	70.0%	61.9%	63.8%	69.3%	71.0%	69.5%	76.9%	75.6%	71.5%	74.2%	77.7%
2007	73.2%	62.4%	61.6%	54.7%	59.1%	67.9%	69.5%	71.2%	72.7%	72.2%	61.5%	71.9%
2008	65.7%	71.6%	70.4%	74.9%	70.9%	69.6%	75.4%	80.1%	80.0%	77.3%	75.3%	78.5%
2009	73.1%	67.9%	75.9%	72.7%	81.0%	74.9%	75.9%	83.0%	78.0%	85.8%	84.4%	79.2%
2010	73.6%	73.8%	73.2%	69.6%	76.9%	76.7%	77.9%	84.8%	79.0%	77.1%	75.8%	70.3%
2011	76.6%	74.7%	73.3%	71.8%	66.8%	62.8%	27.3%	72.4%	75.9%	73.9%	72.9%	76.0%
2012	68.3%	71.6%	73.7%	67.2%	79.7%	78.3%	78.5%	M	M	M	M	82.1%
2013	78.2%	78.2%	67.5%	80.5%	72.7%	74.5%	80.4%	77.2%	75.2%	M	71.5%	74.6%
2014	61.8%	72.6%	67.1%	66.4%	75.1%	80.0%	81.8%	82.2%	87.7%	78.2%	75.0%	85.0%
2015	76.4%	72.7%	80.0%	80.0%	74.3%	77.6%	77.9%	86.2%	85.9%	86.1%	86.6%	87.8%
2016	79.0%	73.9%	77.1%	70.4%	72.3%	71.8%	73.3%	M	M	M	M	M
2017	M	M	49.5%	70.4%	75.4%	83.6%	86.6%	85.7%	82.6%	81.5%	81.8%	81.5%
2018	69.4%	83.7%	64.8%	73.5%	79.9%	80.0%	84.6%	84.0%	85.1%	80.6%	84.6%	85.6%
2019	76.9%	76.0%	67.6%	71.8%	65.8%	74.9%	72.0%	80.6%	74.9%	78.6%	75.5%	75.2%
2020	71.8%	75.9%	75.1%	68.1%	69.7%	74.9%	75.5%	81.8%	80.6%	78.4%	75.5%	75.6%
2021	75.8%	77.4%	70.0%	62.8%	65.1%	78.3%	81.5%	82.5%	79.3%	79.8%	70.8%	80.2%
2022	68.9%	69.9%	66.9%	67.8%	74.0%	63.4%	77.4%	83.1%	75.5%	71.5%	72.4%	74.4%
2023	75.4%	75.0%	68.4%	70.2%	75.3%	71.1%	87.5%	81.8%	80.5%	78.0%	76.0%	77.7%
2024	71.2%	69.9%	72.0%	71.8%	77.0%	72.2%	82.0%	81.3%	82.2%	72.9%	82.5%	74.2%
2025	67.6%	74.4%	63.6%	73.4%	77.6%	80.6%	83.9%	87.6%	77.3%	80.3%	71.0%	74.6%
2026	74.4%	75.4%	74.1%	69.2%	82.2%	82.7%	81.4%	89.4%	85.8%	93.3%	M	M