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 (USC00093754) 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
2007	M	M	M	M	M	M	M	M	M	M	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	M	M	M	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	0.00	0.00	0.00	0.00	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	M	M	M	0.88	13.54	4.03	M	8.67	1.33
2025	1.11	1.28	2.81	0.56	6.22	6.11	3.44	2.60	0.84	1.39	0.06	2.69
2026	1.28	1.62	0.17	0.24	7.61	2.36	1.90	5.86	0.75	M	M	M
NCEI Climatology	3.83	3.91	3.86	3.01	3.50	5.96	5.32	7.48	3.33	3.59	2.55	3.56

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	M	3.5	2.9	2.5
2008	3.6	3.7	4.4	3.6	3.9	2.9	2.7	6.4	3.4	3.6	3.6	3.1
2009	3.5	3.9	3.9	4.9	4.2	3.0	M	M	M	3.4	3.4	5.0
2010	5.0	5.7	4.7	3.6	2.9	2.3	2.8	2.5	2.5	2.4	4.7	6.3
2011	5.5	5.6	6.7	5.9	5.3	5.2	2.8	3.2	2.9	3.8	3.7	3.2
2012	3.7	4.1	3.9	3.8	3.7	3.5	2.1	1.8	1.9	3.6	2.9	3.3
2013	3.4	4.0	5.5	3.8	3.5	3.0	2.1	2.1	2.5	2.0	4.3	3.1
2014	4.6	3.5	4.4	3.7	2.5	2.5	2.3	2.9	2.4	1.6	3.6	2.7
2015	4.1	4.7	3.9	3.6	3.5	2.5	3.0	M	M	3.7	3.8	2.7
2016	4.3	5.1	3.7	4.4	3.9	3.1	2.9	2.8	2.8	3.3	2.7	3.4
2017	3.6	3.7	4.7	3.7	3.8	2.1	2.0	2.5	3.2	4.2	2.5	3.2
2018	4.2	3.0	5.3	4.7	2.3	2.0	1.7	1.6	2.6	3.3	3.8	3.2
2019	3.7	3.2	3.9	3.5	2.4	2.5	1.8	1.5	3.0	2.5	3.1	4.3
2020	3.5	3.3	3.0	3.5	2.5	2.2	1.2	0.8	2.2	1.8	1.8	1.6
2021	1.0	1.2	2.5	3.9	4.0	2.8	2.5	2.3	2.1	2.3	3.1	2.8
2022	4.7	4.2	4.8	4.0	3.1	3.1	2.4	1.8	3.5	2.7	4.3	3.6
2023	2.8	3.6	3.6	4.0	4.1	3.0	2.3	2.5	2.6	3.1	3.3	3.9
2024	4.7	4.1	4.1	3.6	2.9	3.8	4.1	5.6	6.3	3.4	4.7	4.8
2025	5.6	4.9	6.3	5.3	5.4	4.2	4.7	2.5	0.0	1.8	4.1	4.4
2026	5.0	5.8	5.1	4.9	4.5	4.6	4.4	3.9	3.9	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
2007	M	M	M	M	M	M	M	M	M	78.25	71.29	71.30
2008	60.34	70.17	71.24	76.94	85.65	94.10	93.20	87.20	85.51	76.06	65.16	71.44
2009	61.57	64.00	71.67	76.94	83.50	92.34	M	M	M	73.87	67.40	59.80
2010	56.39	56.56	67.25	80.36	86.78	94.43	96.13	93.84	90.31	82.60	72.40	56.56
2011	56.81	68.05	71.91	83.06	87.45	95.84	93.49	96.16	87.98	76.65	73.04	68.29
2012	68.46	68.62	78.80	80.54	86.35	86.09	81.80	81.63	86.84	78.86	67.46	66.32
2013	68.00	63.76	65.50	77.30	84.42	88.94	87.63	89.43	85.82	78.86	68.72	66.90
2014	56.74	65.43	67.48	77.66	85.54	90.56	92.04	91.75	84.93	81.24	66.20	62.26
2015	58.59	57.71	71.66	78.26	84.78	90.92	92.56	M	M	78.07	73.65	73.28
2016	59.05	65.86	75.98	78.20	84.06	92.13	95.49	93.12	87.79	80.96	73.31	65.09
2017	67.69	72.53	73.68	82.40	85.26	87.87	91.71	91.66	88.16	82.00	72.60	63.02
2018	58.79	74.36	70.53	76.52	87.25	92.33	92.06	91.87	92.01	83.40	67.55	63.84
2019	61.99	71.24	71.93	79.97	90.79	91.55	94.23	92.61	92.61	84.15	68.31	65.75
2020	65.88	66.47	77.55	78.77	83.72	88.07	94.00	91.93	86.37	82.78	75.25	62.61
2021	61.55	64.30	74.76	77.72	85.12	88.71	90.29	90.73	87.19	80.94	68.95	71.94
2022	61.95	69.63	76.37	79.63	86.97	93.60	92.32	90.59	86.20	78.75	71.71	63.56
2023	67.12	73.89	74.44	79.14	81.10	87.81	93.59	93.16	86.52	79.33	72.36	63.46
2024	63.77	67.28	73.73	79.89	86.16	92.70	90.29	90.06	84.53	80.60	72.98	63.76
2025	55.81	69.61	73.46	82.28	85.77	90.68	93.72	84.00	86.72	76.59	74.00	62.72
2026	62.17	66.41	78.52	83.58	85.34	90.80	95.98	92.85	91.68	M	M	M
NCEI Climatology	60.60	64.80	71.30	78.60	85.21	90.11	92.30	91.20	86.60	78.91	69.89	62.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	M	59.55	44.83	44.45
2008	37.92	40.13	44.17	52.34	59.46	70.04	71.00	73.40	67.84	52.74	43.84	45.62
2009	38.30	35.80	44.67	52.40	64.11	70.50	M	M	M	54.17	48.80	40.90
2010	35.60	35.28	43.26	51.44	64.76	72.36	73.49	74.82	67.02	52.29	43.17	32.16
2011	33.39	42.37	48.54	54.26	60.05	70.16	73.05	72.65	60.62	47.45	44.30	42.80
2012	38.15	44.10	54.41	53.96	64.05	65.39	78.80	75.71	65.30	56.56	40.40	43.26
2013	42.92	40.87	40.94	52.70	60.01	70.64	72.59	72.30	67.10	55.81	44.72	44.14
2014	34.96	43.51	44.60	56.30	63.35	71.24	72.99	74.09	70.40	53.66	40.36	44.71
2015	36.35	34.38	49.42	58.88	59.87	69.20	71.37	M	M	54.74	51.87	51.88
2016	37.11	40.26	50.48	52.78	60.47	69.79	73.05	71.76	67.95	54.20	38.42	47.14
2017	56.45	58.59	58.99	62.42	64.65	77.98	72.31	73.14	66.99	58.96	45.45	42.76
2018	33.94	51.91	44.66	50.50	64.07	71.46	72.76	71.91	71.20	59.97	47.90	44.67
2019	45.65	55.51	47.35	54.68	65.04	69.38	71.94	73.17	68.79	61.85	43.32	44.42
2020	45.15	45.21	55.56	54.30	60.85	70.00	73.46	73.22	68.97	62.87	53.06	37.72
2021	40.96	43.13	50.76	51.99	58.33	70.39	72.25	74.16	65.48	58.06	41.04	48.34
2022	37.50	43.65	49.02	51.34	63.73	70.39	74.00	72.80	66.21	51.66	50.90	41.94
2023	41.80	49.73	49.80	55.32	60.51	68.19	73.86	73.82	66.44	54.95	45.37	41.02
2024	38.80	41.80	51.43	53.84	64.61	70.46	74.67	71.83	68.67	53.80	52.28	39.72
2025	29.97	42.54	44.43	55.10	63.70	70.10	73.69	69.40	63.38	54.88	41.90	38.04
2026	34.14	39.08	48.65	51.39	61.65	68.56	72.97	73.11	71.96	M	M	M
NCEI Climatology	37.51	40.48	46.00	52.40	60.70	68.49	71.50	71.00	66.21	55.21	45.60	40.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	M	68.90	58.06	57.88
2008	49.13	55.15	57.70	64.64	72.56	82.07	82.10	80.30	76.67	64.40	54.50	58.53
2009	49.94	49.90	58.17	64.67	73.81	81.42	M	M	M	64.02	58.10	50.35
2010	45.99	45.92	55.25	65.90	75.77	83.39	84.81	84.33	78.66	67.44	57.78	44.36
2011	45.10	55.21	60.23	68.66	73.75	83.00	83.27	84.40	74.30	62.05	58.67	55.55
2012	53.31	56.36	66.61	67.25	75.20	75.74	80.30	78.67	76.07	67.71	53.93	54.79
2013	55.46	52.31	53.22	65.00	72.21	79.79	80.11	80.86	76.46	67.33	56.72	55.52
2014	45.85	54.47	56.04	66.98	74.45	80.90	82.52	82.92	77.67	67.45	53.28	53.49
2015	47.47	46.05	60.54	68.57	72.33	80.06	81.96	M	M	66.40	62.76	62.58
2016	48.08	53.06	63.23	65.49	72.27	80.96	84.27	82.44	77.87	67.58	55.87	56.12
2017	62.07	65.56	66.33	72.41	74.96	82.92	82.01	82.40	77.57	70.48	59.03	52.89
2018	46.36	63.14	57.59	63.51	75.66	81.90	82.41	81.89	81.61	71.68	57.72	54.25
2019	53.82	63.38	59.64	67.32	77.92	80.47	83.08	82.89	80.70	73.00	55.81	55.09
2020	55.51	55.84	66.56	66.53	72.29	79.03	83.73	82.58	77.67	72.83	64.16	50.16
2021	51.26	53.72	62.76	64.86	71.72	79.55	81.27	82.44	76.34	69.50	54.99	60.14
2022	49.73	56.64	62.70	65.49	75.35	82.00	83.16	81.70	76.20	65.21	61.31	52.75
2023	54.46	61.81	62.12	67.23	70.80	78.00	83.73	83.49	76.48	67.14	58.86	52.24
2024	51.29	54.54	62.58	66.86	75.39	81.58	82.48	80.95	76.60	67.20	62.63	51.74
2025	42.89	56.07	58.94	68.69	74.74	80.39	83.71	76.70	75.05	65.74	57.95	50.38
2026	48.16	52.75	63.59	67.49	73.50	79.68	84.47	82.98	81.82	M	M	M
NCEI Climatology	49.05	52.64	58.65	65.50	72.95	79.30	81.90	81.10	76.41	67.06	57.74	51.45

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
2007	M	M	M	M	M	M	M	M	M	85.6%	77.2%	84.2%
2008	80.2%	69.3%	63.8%	69.3%	64.9%	65.2%	68.4%	77.1%	69.8%	71.6%	68.1%	72.6%
2009	66.9%	64.2%	79.0%	76.9%	85.7%	82.4%	M	M	M	89.5%	90.2%	83.4%
2010	78.3%	79.7%	78.0%	74.7%	81.2%	81.8%	80.0%	86.2%	81.8%	80.0%	80.2%	74.9%
2011	81.9%	80.6%	79.2%	75.3%	69.7%	69.5%	76.4%	74.4%	77.6%	78.0%	77.0%	79.6%
2012	73.8%	76.0%	76.4%	71.1%	77.1%	79.3%	79.4%	88.4%	83.3%	79.0%	78.9%	83.3%
2013	80.4%	77.5%	65.9%	76.3%	75.5%	81.2%	91.0%	85.1%	47.2%	74.9%	80.4%	87.3%
2014	75.6%	83.3%	79.0%	79.3%	79.4%	82.2%	81.5%	83.5%	89.3%	80.9%	73.4%	88.0%
2015	78.8%	74.4%	82.1%	81.2%	76.1%	80.5%	79.8%	M	M	83.5%	87.8%	87.5%
2016	80.3%	75.9%	79.0%	74.2%	76.7%	78.4%	77.3%	82.4%	84.4%	82.9%	79.6%	83.5%
2017	85.4%	79.0%	71.5%	76.2%	78.5%	87.7%	81.9%	81.2%	79.3%	78.5%	80.9%	79.2%
2018	69.0%	81.5%	64.6%	70.3%	78.5%	79.2%	82.7%	81.9%	81.6%	78.0%	82.2%	85.0%
2019	76.5%	75.7%	68.1%	72.4%	71.5%	77.2%	75.0%	81.2%	74.6%	79.7%	78.5%	78.0%
2020	74.4%	77.1%	75.6%	70.7%	71.9%	76.0%	75.4%	81.2%	79.6%	78.2%	78.2%	78.5%
2021	79.7%	79.4%	72.4%	65.7%	66.6%	79.9%	82.5%	83.1%	79.4%	80.9%	74.4%	83.6%
2022	72.2%	72.6%	69.8%	67.4%	75.3%	71.2%	80.7%	81.6%	76.2%	73.5%	74.0%	74.0%
2023	76.0%	74.5%	68.6%	71.0%	73.5%	76.8%	76.9%	77.8%	76.5%	75.3%	69.9%	73.1%
2024	69.1%	65.3%	68.7%	65.9%	73.6%	67.9%	81.1%	78.7%	83.0%	81.4%	85.0%	78.6%
2025	72.7%	78.2%	70.1%	74.8%	79.7%	82.0%	83.3%	84.1%	80.3%	79.8%	72.4%	79.8%
2026	73.2%	72.5%	71.4%	65.2%	78.2%	77.7%	74.0%	84.1%	86.3%	M	M	M