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 (USC00094429) 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	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	M	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	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	4.64	3.75	4.29	3.27	3.28	5.68	5.67	5.84	4.01	3.16	2.60	3.23

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	3.5	4.8	4.0	5.6	4.3	4.1	3.6	2.8	3.1	3.1	3.0	3.1
2008	3.9	4.3	5.0	4.0	5.2	3.6	3.0	4.4	3.3	3.6	3.6	3.9
2009	4.2	4.5	4.4	4.7	4.1	3.6	3.2	2.5	2.6	3.4	3.3	4.2
2010	5.4	5.7	5.2	3.8	3.7	2.9	3.4	2.9	2.4	2.8	4.8	6.3
2011	5.4	5.5	6.1	5.9	5.3	5.4	M	3.2	2.8	3.1	3.9	3.4
2012	9.6	4.2	4.2	4.1	3.8	4.1	3.2	3.0	2.4	3.6	2.2	3.9
2013	3.8	4.8	6.0	4.3	4.8	4.3	3.8	3.0	2.9	2.3	4.2	3.7
2014	4.7	3.7	4.5	4.5	3.5	3.8	3.5	3.2	2.3	2.4	4.1	2.9
2015	4.2	4.9	4.0	4.2	3.9	3.3	4.2	2.9	2.9	3.6	3.8	3.5
2016	4.5	5.9	4.8	5.0	4.3	3.6	3.7	3.9	2.8	3.9	3.6	3.6
2017	4.9	4.6	5.3	5.2	5.4	3.0	3.2	3.3	3.2	4.9	2.8	4.1
2018	4.7	4.4	6.1	5.5	4.0	3.5	2.8	3.0	3.2	4.1	3.6	M
2019	M	M	M	6.6	4.0	4.3	3.1	3.2	3.7	4.0	3.3	4.9
2020	4.6	5.3	4.4	4.8	4.3	3.3	3.5	3.1	3.8	3.7	3.8	3.6
2021	4.4	4.5	4.3	4.3	4.6	3.7	3.0	3.2	2.2	2.5	3.0	3.2
2022	4.8	3.9	5.3	4.9	3.8	3.5	3.2	2.4	2.5	2.7	4.2	3.4
2023	4.1	4.5	4.4	4.4	3.8	4.3	3.4	2.8	2.7	3.1	3.0	3.7
2024	5.0	3.8	4.0	4.4	3.5	3.6	2.5	3.7	2.5	3.6	3.4	3.2
2025	4.0	3.4	5.3	4.3	3.5	2.8	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
2007	55.62	66.14	74.45	75.86	83.62	87.02	89.25	90.18	84.92	77.81	67.76	65.91
2008	57.26	66.70	71.48	77.00	85.36	91.40	90.12	88.09	86.12	75.72	66.44	67.83
2009	62.25	64.08	74.10	81.87	85.42	93.56	92.33	91.57	87.37	79.90	70.58	63.18
2010	59.64	58.49	67.30	80.36	87.50	93.23	93.58	92.60	89.75	82.32	73.32	56.97
2011	57.68	68.11	75.21	82.94	86.99	95.32	M	94.76	87.08	76.77	72.26	66.26
2012	59.00	65.34	78.57	80.96	85.88	86.48	92.45	88.50	86.54	79.03	68.36	67.07
2013	68.52	65.30	66.08	78.32	82.17	88.82	89.08	91.52	87.56	80.54	70.04	68.70
2014	57.55	67.10	69.45	78.02	86.46	91.58	93.14	94.88	87.92	83.04	68.72	67.77
2015	63.18	61.51	76.83	82.28	89.14	93.68	95.46	93.08	86.36	81.06	77.66	75.95
2016	62.19	68.43	77.46	78.44	85.36	91.88	96.22	93.43	90.14	83.62	76.34	69.74
2017	70.26	75.52	74.91	84.32	83.86	88.70	92.56	90.32	86.90	80.25	72.50	62.43
2018	57.95	73.08	69.45	75.92	85.01	89.72	89.60	90.06	90.50	82.98	69.11	M
2019	M	M	M	M	89.31	89.78	91.28	90.94	91.82	82.92	68.12	66.37
2020	66.61	67.26	78.74	78.56	83.68	85.38	89.60	89.15	82.75	80.95	75.20	62.14
2021	61.50	65.56	74.68	76.64	83.80	89.27	89.92	89.91	87.09	81.40	69.40	72.28
2022	62.90	70.28	76.45	80.43	88.03	93.34	92.31	91.15	87.74	79.61	72.68	64.85
2023	68.13	74.87	75.78	79.86	82.84	88.48	93.32	93.45	86.73	79.21	69.65	64.98
2024	63.74	67.82	74.04	79.86	86.75	92.45	92.69	91.06	84.31	78.46	74.19	65.75
2025	57.68	71.07	74.93	83.66	87.18	90.76	M	M	M	M	M	M
NCEI Climatology	61.80	66.11	72.30	79.00	85.80	90.20	92.10	90.90	87.40	79.80	70.81	64.01

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	33.80	39.97	45.59	46.04	55.23	64.76	68.17	70.38	65.24	59.46	40.04	41.23
2008	35.77	37.83	45.35	53.24	62.08	68.84	70.67	71.72	66.74	52.96	41.96	43.96
2009	39.14	36.50	49.25	61.95	66.84	73.22	72.65	73.86	71.97	65.68	51.08	44.02
2010	37.57	37.66	44.60	52.88	65.18	72.30	73.51	74.84	67.87	53.55	44.02	31.77
2011	34.14	44.47	49.41	55.40	60.45	69.16	M	71.48	65.06	52.61	47.06	44.48
2012	41.60	47.09	55.98	55.40	63.24	67.16	71.83	71.02	66.02	57.26	43.22	43.03
2013	45.12	41.90	40.30	54.62	59.70	70.76	72.18	72.59	68.60	57.78	48.20	46.46
2014	36.12	44.41	45.65	55.70	61.96	70.22	72.18	73.17	70.70	57.37	42.08	46.75
2015	41.81	40.16	54.76	63.68	63.59	71.84	73.81	74.10	70.94	60.92	57.50	54.94
2016	40.07	43.67	54.35	55.10	61.44	70.10	72.53	72.18	68.24	57.49	45.62	46.92
2017	45.82	48.07	49.13	56.60	61.40	70.55	72.88	72.03	68.23	59.70	47.06	43.79
2018	34.96	53.73	44.08	51.92	63.59	69.98	71.66	71.19	70.46	59.58	50.69	M
2019	M	M	M	M	65.27	68.96	70.85	71.95	68.48	61.90	43.94	44.77
2020	43.90	44.85	55.86	55.52	60.74	69.45	89.60	73.63	68.21	62.72	52.58	37.40
2021	42.10	43.57	50.75	52.40	57.67	69.73	72.20	73.55	67.47	59.21	42.78	50.18
2022	39.03	44.15	50.74	54.44	63.27	69.94	72.43	71.47	69.53	50.48	51.95	42.40
2023	43.13	50.49	50.88	56.69	62.03	68.34	73.38	73.82	67.34	56.87	48.01	43.98
2024	40.71	42.40	52.08	55.55	65.88	71.00	74.30	73.04	70.59	56.42	52.42	41.55
2025	32.88	46.61	47.54	57.66	65.08	70.49	M	M	M	M	M	M
NCEI Climatology	37.50	40.49	46.40	51.50	59.10	67.30	70.00	70.10	66.00	55.30	44.81	39.60

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	44.71	53.06	60.02	60.95	69.42	75.89	78.71	80.28	75.08	68.64	53.90	53.57
2008	46.52	52.27	58.42	65.12	73.72	80.12	80.40	79.90	76.43	64.34	54.20	55.89
2009	50.70	50.29	61.67	71.91	76.13	83.39	82.49	82.72	79.67	72.79	60.83	53.60
2010	48.61	48.07	55.95	66.62	76.34	82.77	83.55	83.72	78.81	67.94	58.67	44.37
2011	45.91	56.29	62.31	69.17	73.72	82.24	M	83.12	76.07	64.69	59.66	55.37
2012	50.30	56.21	67.27	68.18	74.56	76.82	82.14	79.76	76.28	68.15	55.79	55.05
2013	56.82	53.60	53.19	66.47	70.93	79.79	80.63	82.05	78.08	69.16	59.12	57.58
2014	46.84	55.75	57.55	66.86	74.21	80.90	82.66	84.03	79.31	70.21	55.40	57.26
2015	52.50	50.84	65.79	72.98	76.36	82.76	84.64	83.59	78.65	70.99	67.58	65.45
2016	51.13	56.05	65.91	66.77	73.40	80.99	84.37	82.81	79.19	70.55	60.98	58.33
2017	58.04	61.80	62.02	70.46	72.63	79.63	82.72	81.18	77.56	69.97	59.78	53.11
2018	46.46	63.40	56.76	63.92	74.30	79.85	80.63	80.63	80.48	71.28	59.90	M
2019	M	M	M	M	77.29	79.37	81.06	81.44	80.15	72.41	56.03	55.57
2020	55.25	56.05	67.30	67.04	72.21	77.42	89.60	81.39	75.48	71.83	63.89	49.77
2021	51.80	54.56	62.72	64.52	70.73	79.50	81.06	81.73	77.28	70.31	56.09	61.23
2022	50.96	57.21	63.60	67.43	75.65	81.64	82.37	81.31	78.63	65.05	62.32	53.63
2023	55.63	62.68	63.33	68.27	72.43	78.41	83.35	83.64	77.04	68.04	58.83	54.48
2024	52.22	55.11	63.06	67.71	76.31	81.72	83.50	82.05	77.45	67.44	63.30	53.65
2025	45.28	58.84	61.24	70.66	76.13	80.63	M	M	M	M	M	M
NCEI Climatology	49.65	53.30	59.35	65.25	72.45	78.75	81.05	80.50	76.70	67.55	57.81	51.80

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
2007	61.1%	65.0%	74.2%	68.4%	72.7%	81.5%	83.3%	86.9%	86.5%	89.3%	82.4%	89.0%
2008	85.4%	81.2%	73.2%	76.3%	71.1%	74.5%	81.2%	82.2%	79.4%	80.1%	78.7%	81.1%
2009	75.7%	70.5%	73.2%	66.2%	79.5%	75.8%	79.4%	82.8%	78.5%	81.7%	78.8%	84.2%
2010	74.4%	77.4%	74.0%	70.9%	77.5%	80.3%	79.2%	82.1%	74.7%	70.5%	73.5%	69.3%
2011	69.2%	67.3%	63.3%	59.9%	56.2%	70.6%	M	73.2%	79.4%	79.7%	80.0%	82.9%
2012	61.5%	81.2%	76.0%	71.0%	78.1%	79.5%	80.3%	85.8%	83.1%	80.3%	80.5%	85.6%
2013	82.8%	79.3%	69.7%	79.6%	75.8%	84.0%	86.8%	83.2%	82.5%	81.4%	80.0%	85.2%
2014	75.9%	81.3%	77.3%	78.6%	75.4%	75.8%	75.2%	75.8%	83.9%	77.3%	76.5%	84.9%
2015	76.6%	74.5%	80.3%	79.2%	69.0%	77.3%	79.4%	83.0%	85.9%	82.4%	84.9%	86.1%
2016	79.1%	72.8%	77.1%	73.3%	71.3%	76.4%	75.3%	81.9%	80.7%	78.0%	73.2%	83.2%
2017	80.4%	76.3%	69.6%	70.1%	72.8%	85.4%	81.6%	83.4%	82.9%	78.8%	82.0%	84.2%
2018	74.0%	83.4%	69.0%	72.0%	77.8%	79.6%	82.4%	82.3%	80.8%	78.6%	87.6%	M
2019	M	M	M	M	70.9%	75.9%	76.9%	79.1%	70.0%	78.3%	76.6%	78.5%
2020	74.2%	76.6%	72.9%	69.4%	70.4%	74.1%	52.2%	72.5%	83.3%	80.4%	78.1%	79.3%
2021	79.5%	80.4%	72.5%	68.3%	68.0%	77.7%	81.6%	82.6%	77.6%	79.2%	75.0%	84.9%
2022	73.5%	73.3%	71.8%	67.2%	72.9%	72.0%	79.3%	79.5%	79.8%	71.4%	75.7%	75.8%
2023	77.5%	75.7%	70.7%	72.0%	73.2%	74.8%	76.0%	78.2%	77.2%	75.7%	76.7%	76.9%
2024	73.7%	70.1%	72.2%	67.8%	74.7%	69.5%	79.0%	76.2%	81.7%	70.4%	79.3%	75.8%
2025	70.0%	75.6%	66.6%	68.0%	72.7%	76.7%	M	M	M	M	M	M