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 (USC00417706) 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	M	M	M	M	M	M	M	M	M	M	0.00
2005	0.00	0.86	1.99	1.11	2.64	1.37	2.38	1.49	0.11	3.18	0.00	0.01
2006	0.26	0.17	0.19	0.60	1.06	1.85	0.04	1.78	1.30	2.13	0.04	0.80
2007	1.16	0.02	2.41	1.19	5.89	3.85	4.06	0.80	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.62	0.19	0.81	0.78	0.48	0.29	0.00	0.10
2009	0.08	0.01	1.29	0.67	0.23	0.22	0.35	0.12	0.08	1.55	1.34	1.15
2010	2.00	1.65	0.64	2.89	1.61	0.41	2.59	0.78	2.01	0.12	0.00	0.30
2011	M	M	M	0.00	M	0.00	0.62	0.22	1.15	1.30	0.05	0.32
2012	0.78	0.74	0.67	1.54	M	0.02	2.26	0.40	2.73	0.13	0.31	0.08
2013	1.35	0.02	0.63	0.31	0.00	2.06	1.24	0.80	0.52	2.62	1.50	0.56
2014	M	0.37	0.13	0.49	1.93	1.98	2.16	1.80	1.94	0.34	1.60	0.27
2015	1.22	0.12	1.18	2.00	5.13	0.48	M	0.06	0.09	0.02	M	1.71
2016	0.35	0.48	2.50	2.42	4.46	0.98	1.31	1.82	8.08	0.01	1.61	1.49
2017	0.62	1.45	0.89	3.70	1.23	0.02	0.52	M	M	M	0.00	M
2018	1.02	2.89	0.16	0.58	2.66	0.02	1.55	2.76	5.90	16.72	0.10	2.01
2019	0.07	0.05	1.55	2.44	2.02	7.74	0.05	2.39	1.23	1.16	0.71	0.35
2020	1.45	0.54	4.17	0.75	1.74	1.36	1.66	0.90	5.72	0.27	0.10	1.44
2021	0.70	1.50	0.95	0.88	3.88	1.95	4.32	2.96	2.12	0.75	0.45	0.13
2022	0.11	0.16	0.00	0.00	1.62	0.82	1.86	4.39	0.62	1.25	1.97	0.07
2023	0.16	0.02	0.85	0.23	4.20	0.55	0.54	0.63	1.51	5.32	1.37	1.29
2024	0.21	0.19	0.47	1.29	0.51	1.62	2.33	1.67	2.69	0.03	0.99	0.21
2025	0.60	0.05	0.31	2.82	2.67	0.48	5.26	3.27	3.38	0.80	1.58	0.03
2026	0.64	0.17	0.74	0.34	0.16	M	1.51	0.22	1.53	1.11	0.39	M
NCEI Climatology	1.03	0.97	1.81	1.66	3.35	2.50	1.95	3.10	3.38	3.05	1.66	1.62

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	M	8.5	8.4
2005	8.4	7.2	8.9	10.5	9.3	9.5	7.7	7.3	7.2	7.5	7.7	7.7
2006	8.8	8.5	10.2	10.6	10.8	8.5	9.1	8.7	7.2	8.3	9.2	8.9
2007	7.3	8.9	10.4	10.3	8.2	8.6	6.0	8.5	6.5	7.6	7.9	9.2
2008	4.0	5.6	11.1	10.5	10.4	12.8	10.4	7.3	5.8	8.9	8.4	9.5
2009	8.0	10.3	11.4	11.6	8.9	10.5	8.6	9.0	7.1	9.4	6.4	3.3
2010	0.0	5.8	10.8	10.6	10.0	11.3	9.3	8.2	7.4	7.6	10.2	8.3
2011	7.7	10.8	10.2	9.2	12.0	12.2	9.6	8.2	6.6	9.3	8.7	7.1
2012	8.5	8.4	10.5	9.9	9.2	9.3	8.0	7.3	7.2	8.8	6.9	7.9
2013	7.3	9.4	9.7	11.5	12.0	9.7	7.5	7.1	5.8	7.5	6.5	5.8
2014	7.9	7.0	9.5	10.3	10.3	11.8	8.4	6.8	6.3	6.3	1.4	7.8
2015	6.9	7.8	7.1	8.9	10.5	8.7	10.9	7.3	6.7	7.0	8.1	6.9
2016	6.2	7.7	8.7	7.3	8.3	8.1	10.6	8.4	7.1	8.0	7.7	7.6
2017	8.2	7.9	9.4	10.0	8.5	2.4	7.9	M	M	M	11.5	M
2018	8.2	8.7	10.3	11.0	11.2	12.1	8.5	9.0	7.1	8.8	8.2	9.3
2019	9.0	8.8	9.6	11.3	11.1	9.1	9.6	9.4	9.4	9.8	8.9	8.3
2020	9.4	9.9	9.2	10.3	10.3	10.6	9.9	9.0	7.6	9.8	9.7	10.3
2021	8.7	9.9	12.6	5.6	0.0	0.0	7.3	9.3	7.7	9.6	9.4	8.6
2022	8.6	9.9	4.6	M	13.2	11.6	10.4	8.6	6.8	8.9	9.6	8.3
2023	9.4	10.4	11.5	11.2	8.9	10.1	10.0	8.9	8.7	9.7	8.4	9.0
2024	9.8	10.2	10.7	12.3	11.0	11.2	9.7	8.7	7.5	9.1	10.5	8.5
2025	9.3	9.7	12.3	13.2	10.0	13.4	10.1	7.8	6.9	8.6	9.4	8.6
2026	8.9	9.3	12.6	11.2	12.3	18.0	9.6	9.4	9.6	9.0	9.3	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	M	M	M	M	M	M	M	M	M	56.57	59.46
2005	61.90	60.80	70.32	77.30	80.43	88.58	92.45	89.02	91.22	76.88	71.90	62.31
2006	67.48	65.04	73.98	83.84	88.61	91.94	92.56	93.26	84.50	77.41	72.08	60.10
2007	52.26	62.66	70.85	73.28	78.34	84.80	84.43	88.15	84.32	81.18	68.60	63.30
2008	56.85	70.30	72.76	78.38	87.22	93.38	91.17	90.53	85.10	78.39	70.40	62.60
2009	65.39	70.76	72.06	77.72	85.71	93.20	95.93	95.64	84.82	76.71	68.72	56.04
2010	55.52	55.93	68.00	73.76	82.92	90.71	88.85	94.77	86.84	81.70	70.70	63.82
2011	59.84	63.31	76.79	87.06	87.57	95.48	95.41	97.55	91.28	78.86	69.35	55.26
2012	63.47	62.23	73.28	82.64	83.33	94.10	92.04	95.00	86.30	78.34	71.72	64.63
2013	60.34	67.16	73.40	76.70	86.90	89.06	90.76	93.94	85.10	76.83	62.96	57.26
2014	59.41	64.40	70.50	78.56	84.43	88.94	91.81	92.79	85.64	81.88	62.54	60.22
2015	55.86	59.32	66.90	75.45	79.04	86.19	91.34	95.23	89.90	80.95	66.26	46.40
2016	M	67.55	72.01	76.88	81.82	88.40	95.46	90.65	86.66	81.18	70.16	59.41
2017	64.69	71.34	72.99	77.72	83.04	92.87	93.51	M	M	M	M	M
2018	58.54	64.79	73.63	78.20	86.58	93.74	94.48	90.88	80.42	71.19	63.50	58.65
2019	57.72	63.18	66.61	77.36	80.25	87.08	91.63	95.12	90.08	77.99	65.84	65.26
2020	62.54	61.30	71.77	76.22	85.48	89.84	95.58	94.42	81.62	79.26	71.36	62.83
2021	58.83	57.73	70.67	75.08	80.14	88.46	88.67	89.14	89.36	81.24	69.50	72.41
2022	60.40	59.26	46.00	M	91.15	95.06	95.81	90.18	86.78	77.64	63.74	60.22
2023	64.34	64.98	72.35	78.20	82.17	95.12	95.93	97.96	92.42	77.23	64.16	63.18
2024	56.68	68.68	72.59	81.62	89.25	93.92	90.40	95.12	87.08	84.90	73.40	65.27
2025	54.30	66.14	78.51	81.14	87.57	90.26	86.35	92.04	85.58	82.98	73.52	66.08
2026	60.65	73.11	77.52	78.46	77.60	90.60	88.38	94.00	92.43	77.06	70.65	M
NCEI Climatology	58.50	62.60	69.50	76.89	82.80	88.30	90.80	91.29	84.90	76.70	66.00	59.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	M	50.45	39.78
2005	44.02	44.92	47.62	55.16	61.38	68.60	70.67	69.28	69.80	56.39	49.88	39.03
2006	43.96	42.22	53.31	60.86	63.76	68.42	70.50	71.66	65.54	59.17	50.84	41.93
2007	35.77	41.90	52.90	53.66	62.72	67.46	69.22	71.02	67.58	58.54	48.92	40.83
2008	37.92	44.48	48.66	55.04	64.46	70.40	70.15	70.50	64.82	57.20	48.98	40.07
2009	40.07	46.53	50.12	56.06	64.34	70.64	71.95	72.12	65.58	57.32	48.68	37.11
2010	38.21	38.80	45.47	56.24	64.40	71.25	72.06	72.24	67.70	58.25	47.96	41.00
2011	38.94	42.81	54.15	62.60	63.66	70.40	73.23	73.75	67.46	59.12	50.99	40.65
2012	41.70	45.34	53.43	60.26	63.91	70.76	70.96	72.30	66.14	59.06	51.86	44.31
2013	41.29	44.66	48.37	52.47	70.70	70.10	70.67	71.79	63.50	56.50	45.74	38.15
2014	35.83	40.55	45.94	57.02	60.74	69.32	70.73	71.08	67.28	61.26	43.76	44.66
2015	36.94	39.33	48.26	57.76	63.68	70.48	71.31	70.67	68.18	61.03	49.82	42.80
2016	M	45.24	52.03	57.26	62.95	69.68	72.30	71.43	67.82	61.67	54.44	43.26
2017	43.44	49.29	54.30	56.90	62.47	71.27	72.23	M	M	M	M	M
2018	37.71	44.99	52.32	53.66	65.39	71.60	71.14	69.80	67.04	57.90	44.12	40.48
2019	39.66	45.50	48.26	54.44	63.24	68.18	70.44	72.65	70.16	55.28	45.02	42.35
2020	43.21	40.44	56.21	56.00	62.77	68.96	71.95	71.31	63.74	56.33	51.98	39.08
2021	39.20	37.13	48.61	55.28	61.90	69.20	69.74	70.55	65.96	60.22	49.34	51.51
2022	36.47	34.96	46.00	M	67.26	70.40	72.06	70.90	66.86	57.14	46.64	42.68
2023	43.38	43.31	51.97	56.12	63.53	71.00	72.30	73.17	69.26	59.99	48.92	44.89
2024	35.37	46.52	51.63	58.82	68.41	72.14	71.80	72.82	67.22	63.59	51.56	48.03
2025	35.08	42.41	52.73	59.12	64.11	70.46	70.50	70.73	66.56	61.15	53.06	45.65
2026	38.03	48.00	53.32	64.46	66.75	73.00	71.28	71.45	71.33	61.55	55.35	M
NCEI Climatology	37.21	40.90	46.69	53.70	61.51	67.50	69.50	69.70	64.80	56.31	46.10	38.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	M	53.51	49.62
2005	52.96	52.86	58.97	66.23	70.90	78.59	81.56	79.15	80.51	66.64	60.89	50.67
2006	55.72	53.63	63.65	72.35	76.19	80.18	81.53	82.46	75.02	68.29	61.46	51.02
2007	44.02	52.28	61.87	63.47	70.53	76.13	76.83	79.58	75.95	69.86	58.76	52.06
2008	47.39	57.39	60.71	66.71	75.84	81.89	80.66	80.51	74.96	67.80	59.69	51.33
2009	52.73	58.65	61.09	66.89	75.03	81.92	83.94	83.88	75.20	67.01	58.70	46.57
2010	46.86	47.37	56.74	65.00	73.66	80.98	80.45	83.50	77.27	69.97	59.33	52.41
2011	49.39	52.14	65.50	74.83	75.67	82.94	84.32	85.65	79.37	68.99	60.17	47.96
2012	52.58	53.79	63.35	71.45	73.62	82.43	81.50	83.65	76.22	68.70	61.79	54.47
2013	50.81	55.91	60.89	64.59	78.80	79.58	80.72	82.87	74.30	66.66	54.35	47.71
2014	47.62	52.47	58.22	67.79	72.59	79.13	81.27	81.94	76.46	71.57	53.15	52.44
2015	46.40	49.33	57.58	66.60	71.36	78.33	81.33	82.95	79.04	70.99	58.04	44.60
2016	M	56.40	62.02	67.07	72.38	79.04	83.88	81.04	77.24	71.43	62.30	51.34
2017	54.06	60.32	63.65	67.31	72.76	82.07	82.87	M	M	M	M	M
2018	48.13	54.89	62.98	65.93	75.98	82.67	82.81	80.34	73.73	64.55	53.81	49.56
2019	48.69	54.34	57.43	65.90	71.75	77.63	81.04	83.88	80.12	66.64	55.43	53.81
2020	52.87	50.87	63.99	66.11	74.13	79.40	83.76	82.86	72.68	67.80	61.67	50.96
2021	49.01	47.43	59.64	65.18	71.02	78.83	79.21	79.85	77.66	70.73	59.42	61.96
2022	48.43	47.11	46.00	M	79.20	82.73	83.94	80.54	76.82	67.39	55.19	51.45
2023	53.86	54.15	62.16	67.16	72.85	83.06	84.11	85.56	80.84	68.61	56.54	54.04
2024	46.02	57.60	62.11	70.22	78.83	83.03	81.10	83.97	77.15	74.24	62.48	56.65
2025	44.69	54.28	65.62	70.13	75.84	80.36	78.42	81.38	76.07	72.06	63.29	55.86
2026	49.34	60.55	65.42	71.46	71.12	81.80	79.83	82.73	81.88	69.31	63.00	M
NCEI Climatology	47.86	51.75	58.10	65.30	72.15	77.90	80.15	80.50	74.85	66.50	56.05	48.85

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	M	M	M	M	M	M	M	M	M	80.4%	61.6%
2005	74.2%	78.6%	61.2%	56.5%	75.6%	72.7%	67.9%	71.2%	61.4%	71.8%	57.5%	53.9%
2006	45.6%	55.1%	62.5%	62.7%	58.2%	57.2%	61.8%	61.9%	66.5%	66.8%	61.0%	65.3%
2007	76.2%	65.5%	70.2%	70.0%	79.6%	79.9%	84.1%	77.2%	79.7%	63.9%	71.4%	62.7%
2008	62.1%	53.7%	61.1%	61.4%	59.1%	59.4%	64.3%	69.4%	59.6%	60.3%	55.2%	58.1%
2009	50.9%	48.0%	61.8%	51.7%	66.5%	59.3%	56.8%	53.1%	69.5%	72.6%	69.1%	72.3%
2010	72.1%	71.8%	58.7%	71.3%	70.3%	69.7%	75.1%	59.9%	71.7%	52.7%	53.3%	55.0%
2011	58.5%	54.4%	56.7%	45.1%	56.1%	50.5%	53.3%	49.1%	43.5%	56.7%	60.4%	71.1%
2012	58.9%	70.2%	68.8%	55.2%	69.1%	54.5%	63.0%	53.0%	61.4%	65.3%	60.4%	57.7%
2013	66.8%	49.7%	48.4%	60.9%	79.8%	66.0%	59.6%	55.6%	63.4%	69.5%	71.1%	70.7%
2014	49.9%	67.8%	58.2%	53.8%	57.6%	69.0%	61.3%	59.0%	72.3%	62.2%	64.5%	79.2%
2015	67.6%	70.3%	74.0%	74.4%	83.1%	73.2%	65.6%	59.7%	61.3%	62.3%	73.0%	100.0%
2016	M	55.4%	66.6%	68.2%	74.0%	69.8%	61.7%	69.6%	71.6%	69.4%	74.1%	76.6%
2017	60.2%	60.8%	70.7%	68.1%	64.5%	64.4%	67.2%	M	M	M	M	M
2018	53.7%	75.2%	56.8%	56.1%	65.0%	60.3%	55.7%	63.0%	84.4%	85.2%	66.5%	64.0%
2019	68.4%	68.5%	65.6%	60.8%	79.3%	72.5%	60.7%	59.9%	64.0%	59.0%	68.8%	53.3%
2020	66.4%	65.1%	75.0%	66.3%	63.2%	61.3%	58.8%	55.5%	71.3%	60.3%	64.1%	52.4%
2021	61.9%	72.5%	57.5%	63.0%	74.8%	71.6%	71.6%	71.2%	58.6%	61.6%	64.4%	67.3%
2022	46.5%	55.5%	M	M	59.7%	52.0%	54.7%	66.7%	64.5%	57.5%	69.5%	67.2%
2023	54.7%	55.6%	60.7%	58.6%	73.6%	59.4%	54.4%	49.3%	59.1%	67.0%	74.6%	64.9%
2024	61.2%	59.2%	63.6%	58.7%	68.2%	63.1%	65.6%	55.7%	62.4%	51.8%	57.7%	65.1%
2025	57.6%	63.3%	44.2%	59.0%	58.0%	66.4%	73.4%	62.4%	65.5%	55.8%	61.4%	64.1%
2026	53.3%	52.4%	61.9%	84.9%	67.7%	60.3%	69.5%	56.7%	62.9%	71.2%	75.7%	M