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 (USC00081544) 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
2006	M	M	M	M	M	M	M	M	2.08	2.45	2.09	4.85
2007	4.64	3.23	2.32	2.10	M	M	0.28	6.21	2.18	1.17	0.00	4.33
2008	1.41	8.40	2.26	M	M	M	1.44	8.73	0.38	4.60	2.10	0.97
2009	0.74	3.24	4.94	5.78	6.67	0.90	5.47	6.39	5.93	1.93	M	M
2010	M	M	M	M	M	M	M	M	M	0.00	2.65	0.19
2011	2.22	2.53	4.28	0.61	0.16	4.42	3.85	0.00	0.10	0.00	0.31	0.16
2012	1.20	0.00	0.06	0.27	1.40	M	1.31	0.60	0.00	0.00	0.00	M
2013	0.00	1.21	M	1.52	0.32	3.36	9.28	2.66	3.10	0.16	1.44	0.01
2014	0.77	3.53	0.47	4.50	0.00	0.42	2.08	0.25	0.00	0.00	0.12	0.00
2015	0.37	0.00	0.00	0.00	0.01	1.47	0.43	0.69	5.55	1.00	5.42	3.92
2016	2.78	3.26	0.00	0.00	0.64	3.81	4.42	6.90	3.33	0.01	0.76	8.27
2017	11.76	2.63	1.36	2.42	4.42	3.29	2.24	5.56	4.44	2.02	0.01	1.00
2018	0.96	6.55	6.44	3.16	5.81	1.98	5.82	6.36	3.92	0.06	5.20	9.51
2019	1.10	1.90	2.55	3.98	1.77	3.14	3.38	3.26	0.00	3.59	0.79	3.03
2020	2.18	5.07	1.50	4.77	1.59	4.04	6.22	9.22	15.41	4.18	1.09	2.24
2021	3.80	5.87	2.89	6.14	3.04	7.10	4.86	3.71	2.40	2.21	0.34	3.04
2022	2.65	0.25	4.23	4.78	2.77	3.78	7.48	4.14	0.80	1.82	2.37	1.22
2023	2.44	0.56	4.65	3.36	2.71	2.19	3.84	1.50	1.59	0.21	1.13	4.14
2024	2.40	2.86	3.60	3.91	3.64	3.90	3.34	1.74	5.96	0.00	1.52	1.62
2025	1.94	1.77	4.66	1.25	3.73	5.25	3.92	2.00	1.37	3.08	0.43	2.43
2026	1.70	2.76	2.98	2.08	11.61	4.24	1.76	1.07	M	M	M	M
NCEI Climatology	5.09	5.74	5.65	4.86	4.09	5.29	7.16	6.17	4.22	3.66	4.25	4.79

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	M	2.3	2.7	4.2	3.4
2007	4.0	3.8	2.5	3.6	M	M	0.0	0.0	2.3	3.5	1.3	2.5
2008	1.5	3.1	4.1	M	M	M	1.6	2.7	2.9	2.6	2.0	2.9
2009	2.8	3.7	4.0	3.6	3.7	1.5	2.3	1.3	2.1	1.7	M	M
2010	M	M	M	M	M	M	M	M	M	0.7	3.0	3.6
2011	3.4	4.1	4.3	4.1	3.1	2.9	1.9	1.5	2.4	3.4	4.0	3.5
2012	3.6	4.1	3.1	3.0	2.5	3.7	2.4	2.8	2.3	2.4	2.9	3.9
2013	4.9	2.8	0.0	0.0	0.0	0.0	0.0	1.7	2.2	2.7	4.2	4.3
2014	4.1	4.0	4.2	5.1	2.4	2.8	2.5	2.3	2.4	2.3	3.3	2.9
2015	4.2	5.4	3.9	3.5	2.7	2.5	2.6	2.6	3.9	3.8	3.9	4.3
2016	4.3	5.2	5.4	4.1	2.8	2.6	2.4	2.9	2.5	2.9	3.0	4.2
2017	4.3	4.1	5.0	3.8	3.4	3.4	2.4	2.7	3.3	4.6	2.4	4.1
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	2.7	M	M	2.4	M	M	M	M
2020	4.6	5.0	4.2	3.9	3.6	3.5	2.5	2.3	4.2	4.0	4.2	3.0
2021	3.9	4.8	4.9	3.3	4.0	3.2	1.9	2.9	2.0	2.3	2.6	4.9
2022	4.3	4.7	4.6	3.7	3.1	2.3	2.0	1.7	3.2	2.4	4.3	3.6
2023	3.7	4.9	4.8	4.0	3.0	3.2	1.8	16.1	9.9	3.2	3.6	3.7
2024	4.8	4.1	4.0	3.5	3.0	2.8	1.7	2.9	3.8	3.1	3.4	3.3
2025	3.8	4.0	4.6	3.3	3.2	2.2	2.2	2.5	2.8	3.6	2.3	3.1
2026	4.0	4.4	3.6	3.3	3.0	2.8	2.4	1.9	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
2006	M	M	M	M	M	M	M	76.00	85.62	78.39	69.00	66.55
2007	61.89	63.91	75.54	77.13	M	M	90.93	92.71	87.89	80.60	71.42	60.38
2008	58.70	67.90	71.45	M	M	M	91.20	88.16	86.83	76.30	67.33	66.40
2009	61.40	65.82	70.45	77.97	84.13	94.07	89.39	89.65	87.10	85.07	M	M
2010	M	M	M	M	M	M	M	M	M	80.00	73.37	57.07
2011	56.97	67.61	75.87	82.50	89.19	96.39	91.50	95.06	86.87	76.42	71.59	66.32
2012	78.48	65.56	77.84	80.40	87.68	88.07	90.94	87.52	86.00	75.53	68.04	58.92
2013	69.03	65.25	67.00	77.67	82.96	88.89	87.31	89.18	87.95	80.24	68.89	65.77
2014	56.43	65.04	68.79	74.15	84.90	90.70	89.71	92.77	86.20	78.57	65.86	63.94
2015	60.35	58.57	74.45	79.18	88.48	90.70	92.70	92.07	86.54	80.84	75.43	71.77
2016	59.35	66.55	74.41	78.60	85.27	91.63	97.97	91.77	90.27	86.39	77.10	68.55
2017	69.55	75.50	76.00	83.23	86.03	87.50	92.80	92.52	88.37	82.13	76.22	64.35
2018	59.61	75.86	72.42	78.20	87.94	92.30	93.29	91.03	92.10	83.67	68.93	64.37
2019	63.94	72.86	72.81	80.67	90.74	92.23	93.87	94.21	96.29	81.38	71.00	66.45
2020	65.97	67.93	79.73	80.40	85.84	89.80	91.74	91.48	85.61	83.41	77.03	66.90
2021	62.19	65.68	76.19	76.07	84.71	90.03	90.87	91.06	86.87	81.68	69.80	71.87
2022	60.42	69.57	76.30	79.77	86.52	93.67	90.65	90.58	88.63	81.29	73.37	66.26
2023	69.06	74.29	75.58	78.90	85.55	90.36	92.90	97.83	90.71	82.58	71.43	65.21
2024	62.77	68.79	74.90	80.93	87.97	93.30	93.32	95.47	87.21	83.52	76.77	66.42
2025	58.68	71.92	75.42	83.37	86.87	90.67	93.97	90.29	90.03	80.13	74.60	64.16
2026	63.84	68.21	77.74	81.10	82.74	88.97	92.97	93.00	M	M	M	M
NCEI Climatology	63.60	67.50	74.00	80.30	87.60	91.60	93.01	92.40	89.29	82.00	72.30	65.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	76.00	63.75	52.41	42.59	41.37
2007	41.48	36.76	47.66	50.54	M	M	73.00	73.05	68.19	59.33	42.58	46.00
2008	35.90	40.00	44.76	M	M	M	72.90	70.92	66.13	52.80	41.33	44.48
2009	37.87	37.39	47.80	52.47	65.00	69.87	69.48	69.97	68.47	66.64	M	M
2010	M	M	M	M	M	M	M	M	M	44.00	41.77	29.55
2011	32.29	39.79	48.77	54.37	57.97	69.36	73.33	71.13	64.13	50.74	46.04	43.26
2012	44.10	47.59	55.20	54.93	63.29	67.83	71.71	71.44	65.70	57.03	43.40	35.31
2013	47.25	43.50	41.21	55.55	58.31	70.08	71.13	71.59	68.28	58.92	45.87	44.19
2014	32.56	42.16	44.85	51.91	61.37	69.00	69.48	70.83	68.20	54.86	39.38	43.83
2015	39.16	37.74	52.84	61.56	65.88	70.17	73.03	71.59	66.54	57.68	54.30	52.13
2016	38.32	41.59	54.86	55.97	62.27	69.33	72.94	73.26	69.33	56.58	46.33	47.35
2017	46.16	48.54	50.84	57.27	61.74	70.60	72.97	72.84	67.43	59.00	48.57	43.84
2018	34.29	54.50	46.90	51.67	65.81	71.30	73.29	71.97	72.13	62.96	46.90	46.43
2019	41.48	53.61	48.52	54.23	65.13	71.63	72.00	73.14	70.04	59.29	43.57	45.55
2020	44.71	47.03	58.54	56.23	61.96	71.13	73.25	73.65	68.12	62.65	53.33	38.35
2021	41.74	44.50	52.46	53.83	61.13	70.77	72.88	72.97	68.71	60.31	42.80	51.41
2022	37.84	43.56	49.13	55.20	64.91	72.03	73.42	73.00	67.09	51.13	50.33	44.31
2023	44.19	50.92	52.95	56.90	62.84	69.23	73.95	71.06	65.25	55.42	46.83	43.48
2024	39.39	44.45	52.19	55.51	66.39	71.40	75.35	73.60	71.07	57.42	56.37	41.52
2025	33.52	48.71	48.55	56.27	65.23	70.85	73.84	71.85	64.97	57.84	47.20	43.42
2026	40.90	45.00	52.87	56.33	64.39	71.00	73.32	73.48	M	M	M	M
NCEI Climatology	38.60	41.50	47.30	53.30	62.09	69.61	72.21	71.91	67.10	56.09	45.80	41.00

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	76.00	74.68	65.40	55.79	53.96
2007	51.68	50.34	61.60	63.84	M	M	81.96	82.88	78.04	69.97	57.00	53.19
2008	47.30	53.95	58.10	M	M	M	82.05	79.54	76.48	64.55	54.33	55.44
2009	49.63	51.61	59.12	65.22	74.56	81.97	79.44	79.88	77.78	75.86	M	M
2010	M	M	M	M	M	M	M	M	M	62.00	57.57	43.31
2011	44.63	53.70	62.32	68.43	73.58	82.88	82.42	83.10	75.50	63.58	58.81	54.79
2012	61.29	56.57	66.52	67.67	75.48	77.95	81.32	79.48	75.85	66.28	55.72	47.12
2013	58.14	54.38	54.10	66.61	70.64	79.49	79.22	80.38	78.11	69.58	57.38	54.98
2014	44.50	53.60	56.82	63.03	73.14	79.85	79.60	81.80	77.20	66.71	52.62	53.89
2015	49.76	48.15	63.65	70.37	77.18	80.43	82.87	81.83	76.54	69.26	64.87	61.95
2016	48.84	54.07	64.64	67.28	73.77	80.48	85.45	82.52	79.80	71.48	61.72	57.95
2017	57.85	62.02	63.42	70.25	73.89	79.05	82.88	82.68	77.90	70.57	62.40	54.10
2018	46.95	65.18	59.66	64.93	76.87	81.80	83.29	81.50	82.12	73.31	57.92	55.40
2019	52.71	63.23	60.66	67.45	77.94	81.93	82.93	83.67	83.17	70.33	57.28	56.00
2020	55.34	57.48	69.14	68.32	73.90	80.47	82.49	82.56	76.87	73.03	65.18	52.63
2021	51.97	55.09	64.33	64.95	72.92	80.40	81.88	82.02	77.79	70.99	56.30	61.64
2022	49.13	56.57	62.72	67.48	75.71	82.85	82.03	81.79	77.86	66.21	61.85	55.29
2023	56.63	62.61	64.26	67.90	74.19	79.80	83.42	84.45	77.98	69.00	59.13	54.35
2024	51.08	56.62	63.55	68.22	77.18	82.35	84.34	84.53	79.14	70.47	66.57	53.97
2025	46.10	60.31	61.98	69.82	76.05	80.76	83.90	81.07	77.50	68.98	60.90	53.79
2026	52.37	56.61	65.31	68.72	73.56	79.98	83.15	83.24	M	M	M	M
NCEI Climatology	51.10	54.50	60.65	66.80	74.85	80.60	82.61	82.15	78.20	69.05	59.05	53.35

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
2006	M	M	M	M	M	M	M	M	73.4%	74.8%	75.3%	73.8%
2007	73.2%	69.6%	69.4%	73.7%	M	M	78.9%	81.3%	74.3%	72.7%	73.9%	74.3%
2008	88.0%	73.7%	67.8%	M	M	M	81.9%	83.2%	76.9%	76.1%	74.9%	77.2%
2009	75.2%	68.8%	77.4%	72.6%	80.9%	74.4%	80.8%	80.8%	84.9%	85.6%	M	M
2010	M	M	M	M	M	M	M	M	M	80.5%	76.9%	69.6%
2011	75.2%	75.3%	74.1%	71.2%	66.9%	70.2%	80.0%	76.2%	76.9%	69.9%	72.8%	80.1%
2012	63.1%	76.8%	73.8%	73.4%	76.0%	79.6%	84.1%	85.2%	83.0%	79.5%	75.7%	75.9%
2013	78.9%	77.7%	64.2%	78.6%	75.2%	83.7%	87.0%	85.5%	82.2%	80.4%	74.6%	82.0%
2014	70.1%	78.7%	74.0%	77.3%	77.5%	79.1%	79.7%	79.8%	83.7%	78.8%	75.4%	76.5%
2015	75.0%	69.9%	78.3%	80.4%	77.5%	80.3%	80.2%	80.1%	78.7%	78.3%	82.4%	81.8%
2016	74.8%	66.1%	74.6%	72.9%	71.0%	77.1%	75.6%	82.8%	78.9%	73.3%	71.2%	79.7%
2017	79.5%	76.9%	68.8%	74.1%	77.4%	87.0%	84.7%	84.0%	82.2%	79.5%	80.1%	83.8%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	68.6%	M	M	83.6%	M	M	M	M
2020	74.6%	75.2%	71.9%	68.3%	68.4%	75.3%	80.0%	78.9%	80.0%	77.1%	73.5%	73.4%
2021	76.0%	77.4%	70.6%	70.6%	68.8%	77.2%	80.1%	80.0%	79.7%	78.0%	73.6%	85.3%
2022	75.6%	71.2%	71.4%	71.1%	75.8%	75.2%	82.2%	83.4%	73.6%	69.4%	73.8%	75.6%
2023	75.0%	75.1%	70.5%	71.7%	73.2%	76.0%	79.2%	73.9%	76.2%	70.3%	74.1%	74.9%
2024	71.6%	70.3%	71.2%	71.0%	75.8%	74.1%	81.3%	73.4%	79.5%	72.3%	77.7%	76.1%
2025	69.4%	72.2%	67.6%	73.4%	76.7%	80.5%	79.4%	82.2%	70.2%	74.0%	73.6%	78.6%
2026	73.6%	72.2%	72.9%	72.0%	82.6%	80.3%	79.2%	80.6%	M	M	M	M