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 (USC00417300) 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	0.56	0.01
2005	0.01	0.77	0.75	0.00	1.56	0.87	0.50	0.75	0.09	0.18	0.00	0.00
2006	0.51	0.72	2.81	1.02	1.35	1.35	0.00	0.78	0.49	2.26	0.00	0.53
2007	1.40	0.05	3.23	1.79	2.73	6.54	1.56	0.54	4.02	0.79	1.27	0.23
2008	0.44	0.62	3.38	0.01	0.00	1.81	0.04	M	M	1.86	0.09	0.01
2009	0.11	0.13	1.55	2.47	0.58	5.12	4.87	0.45	5.67	1.74	1.00	0.34
2010	1.54	1.11	1.71	1.45	0.87	1.76	2.47	0.93	0.97	0.03	0.01	0.01
2011	0.00	0.09	0.00	0.58	0.22	0.15	0.17	2.72	0.33	7.72	1.52	2.73
2012	5.82	2.66	2.50	0.12	2.89	3.82	0.80	0.88	3.08	0.00	0.00	0.86
2013	2.96	0.68	0.42	2.77	5.14	1.32	3.46	0.38	0.27	2.18	0.94	2.10
2014	M	0.05	0.08	0.67	3.40	0.73	1.24	0.64	0.15	3.06	3.58	0.53
2015	2.34	0.61	2.10	1.04	0.06	2.34	3.19	0.35	1.31	0.57	0.91	0.92
2016	0.06	1.01	1.70	1.31	7.25	2.95	0.14	1.35	3.30	0.94	2.40	0.54
2017	0.08	0.05	0.80	3.37	2.85	3.54	1.51	1.09	2.65	0.55	1.32	1.82
2018	0.02	3.09	1.18	0.02	0.13	M	0.21	M	M	M	0.51	2.79
2019	0.31	0.20	0.73	6.10	8.09	3.00	0.96	1.77	M	1.92	0.92	0.74
2020	0.15	1.24	2.23	0.00	1.91	0.35	0.16	0.47	5.37	1.45	0.38	2.03
2021	0.50	0.25	2.24	2.86	11.84	1.70	1.09	2.30	1.90	2.73	0.38	0.13
2022	0.16	0.98	0.96	0.41	0.24	0.27	0.18	1.10	1.22	2.88	2.35	0.63
2023	0.72	1.54	1.64	1.86	3.20	1.46	0.89	0.00	5.06	5.97	0.29	0.00
2024	0.00	0.95	3.50	1.78	5.22	1.10	1.25	1.71	7.82	0.00	0.00	0.00
2025	0.10	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2026	0.00	M	M	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
NCEI Climatology	1.72	2.16	2.54	2.45	4.43	3.98	1.78	2.32	3.03	3.58	2.09	1.78

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	7.5	8.4	8.9
2005	9.4	8.0	10.1	11.3	8.4	8.5	6.8	6.2	7.2	7.5	8.9	9.3
2006	11.3	9.8	11.2	10.6	10.6	8.0	8.9	8.2	7.9	8.4	9.5	9.4
2007	7.3	11.2	9.9	10.2	7.5	7.7	5.5	7.2	5.0	7.6	7.8	8.6
2008	9.4	10.3	11.9	11.8	12.5	11.2	8.9	M	M	8.1	7.6	10.3
2009	9.3	11.2	11.8	11.6	7.1	8.1	5.7	6.3	6.4	8.7	6.8	7.7
2010	7.8	8.7	11.0	11.0	8.6	9.1	7.8	6.8	6.7	6.7	10.9	10.1
2011	8.1	11.1	11.4	12.9	11.9	12.0	9.1	8.1	6.4	8.0	10.2	8.2
2012	10.4	9.8	9.8	9.3	9.3	7.7	7.5	7.4	8.1	8.7	8.3	9.4
2013	8.6	9.9	11.0	11.5	10.4	8.0	7.1	6.4	6.0	7.6	8.4	7.7
2014	10.8	9.8	10.9	10.8	10.4	10.1	7.0	6.9	6.2	8.1	10.1	8.4
2015	8.2	9.3	7.7	8.3	8.3	7.3	8.3	6.2	6.2	6.8	8.1	8.6
2016	8.1	9.5	10.3	8.3	8.3	6.4	9.1	6.8	6.1	7.3	7.4	7.9
2017	9.2	9.9	10.0	9.8	8.6	7.3	6.2	6.5	6.4	8.1	7.6	7.7
2018	9.0	9.2	9.5	10.1	9.2	11.4	9.3	9.3	15.2	12.5	7.3	8.6
2019	9.2	9.3	9.4	9.5	8.8	7.6	7.5	7.0	7.5	8.8	7.9	7.4
2020	8.8	10.2	8.8	9.1	9.2	8.7	7.9	7.4	6.5	8.1	7.9	8.6
2021	8.4	8.0	11.1	9.4	8.1	6.8	6.3	7.2	6.0	7.7	7.7	8.4
2022	8.5	8.4	10.8	12.2	11.8	8.7	8.5	5.8	5.7	7.5	7.9	7.2
2023	9.5	10.2	10.0	9.1	6.3	7.1	7.4	7.9	6.9	8.1	6.2	3.0
2024	4.2	10.1	8.9	9.5	7.6	7.9	7.1	6.8	4.9	6.6	7.5	7.3
2025	8.4	8.3	11.1	10.1	7.6	8.7	7.2	5.7	5.7	6.3	7.4	8.4
2026	9.5	M	M	8.4	7.1	9.1	8.1	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
2004	M	M	M	M	M	M	M	M	M	73.80	64.40	60.51
2005	61.55	60.67	67.83	77.06	81.06	91.16	94.30	91.57	92.30	79.55	74.72	61.73
2006	68.87	62.09	72.12	83.60	87.16	93.02	96.34	98.43	86.72	79.10	70.04	61.32
2007	50.99	62.02	71.37	72.20	79.38	86.00	87.28	93.14	87.44	87.98	67.35	60.80
2008	57.32	68.06	72.59	76.10	93.20	94.88	95.54	M	M	78.55	69.50	61.03
2009	62.95	69.43	72.59	77.36	82.05	90.86	93.14	95.06	83.54	73.46	69.62	53.83
2010	54.94	51.61	67.59	75.74	84.55	93.38	91.34	97.50	87.02	80.52	70.04	62.60
2011	55.74	62.00	75.23	86.72	84.47	98.72	100.05	98.04	87.49	78.63	67.94	54.70
2012	61.73	61.36	72.30	82.10	85.61	91.10	96.16	96.45	88.16	76.94	72.92	62.95
2013	58.25	63.31	70.09	74.30	83.41	92.90	94.27	96.81	91.48	78.05	62.71	56.14
2014	60.77	60.02	69.55	77.86	86.16	88.76	94.13	97.76	89.08	84.23	63.88	59.38
2015	54.13	57.39	67.31	76.25	80.31	90.63	95.26	97.63	91.98	82.36	69.51	65.14
2016	59.02	68.70	71.86	76.26	80.30	90.12	98.05	93.70	88.49	83.06	70.68	58.65
2017	61.37	71.49	75.82	77.65	83.63	89.47	95.26	93.26	90.03	80.27	71.34	59.84
2018	58.74	62.21	74.02	77.01	89.64	97.68	101.05	96.57	84.80	73.61	64.19	56.82
2019	56.79	60.54	65.11	76.75	80.65	88.26	94.03	99.36	96.03	76.43	67.02	64.13
2020	62.95	60.20	70.64	85.84	86.87	91.82	99.01	99.59	82.39	77.82	72.40	62.09
2021	56.70	52.64	71.05	72.53	78.40	88.97	92.09	94.12	92.98	84.28	71.29	76.22
2022	61.36	59.30	74.70	83.89	95.06	101.42	105.85	93.91	95.48	84.21	65.05	63.50
2023	64.71	63.90	72.47	79.90	87.16	99.36	106.32	108.67	98.15	81.66	69.31	65.82
2024	74.30	69.22	73.05	80.02	87.05	96.80	98.75	105.39	89.66	88.13	73.72	67.27
2025	55.05	64.63	79.97	81.55	87.53	94.30	94.40	98.65	95.44	87.83	77.69	68.47
2026	69.33	M	M	81.08	86.74	95.43	96.97	105.48	103.66	89.00	M	M
NCEI Climatology	59.00	62.89	70.50	78.50	84.69	92.20	96.59	96.60	89.50	80.28	69.40	60.10

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	66.20	48.14	39.37
2005	41.99	43.70	46.40	54.38	62.31	70.04	71.25	71.77	68.90	54.53	48.02	36.99
2006	43.38	39.97	52.15	60.08	64.23	69.38	73.17	75.32	64.76	57.26	47.00	40.48
2007	34.32	39.97	53.60	51.86	63.41	69.68	70.67	72.35	67.82	68.00	47.05	36.30
2008	36.06	40.44	46.98	55.58	73.40	72.38	71.84	M	M	54.59	46.70	35.95
2009	37.52	43.49	49.13	54.38	62.14	70.16	73.34	72.12	64.82	53.31	47.84	34.09
2010	34.85	34.37	44.14	55.22	63.88	72.38	73.75	75.95	68.42	55.93	45.20	39.03
2011	34.10	37.82	48.65	58.88	62.10	73.40	78.22	79.36	66.82	54.41	45.86	37.81
2012	39.08	41.74	51.51	58.34	64.48	68.90	72.24	71.83	65.96	54.59	46.82	40.42
2013	37.81	39.78	43.55	50.00	60.81	69.65	71.43	72.65	67.37	55.76	41.86	32.48
2014	33.96	35.39	42.29	54.88	60.25	69.86	70.22	71.73	66.67	59.52	41.62	42.67
2015	35.93	35.38	46.49	55.96	61.42	69.31	72.77	71.44	67.81	57.93	48.92	41.25
2016	36.35	42.72	49.62	55.14	60.60	69.70	73.96	72.29	67.50	58.71	51.64	38.58
2017	39.24	46.50	51.64	55.16	60.23	68.80	72.58	70.62	64.81	54.45	49.52	38.29
2018	31.53	37.97	49.29	47.60	65.66	73.02	74.54	72.88	67.46	56.45	41.69	38.24
2019	42.41	45.65	44.61	54.03	62.12	66.99	70.72	73.64	70.41	51.64	39.95	37.32
2020	39.72	39.80	53.12	58.02	61.73	68.66	74.10	72.40	63.61	51.44	47.72	36.29
2021	38.29	32.71	47.58	52.29	61.17	69.08	71.21	71.58	64.95	57.93	45.57	47.86
2022	31.04	31.90	43.72	56.53	66.03	72.08	76.39	72.17	67.51	55.47	44.48	43.45
2023	41.04	41.54	48.38	53.16	62.21	71.36	75.85	77.83	71.13	58.21	48.04	43.50
2024	45.35	49.28	50.85	57.15	65.30	71.74	71.53	74.47	65.86	59.79	47.57	43.62
2025	32.76	36.92	49.86	56.60	62.07	70.41	70.70	71.48	65.46	57.67	50.53	41.68
2026	42.44	M	M	58.92	60.48	71.03	71.81	74.26	71.52	71.00	M	M
NCEI Climatology	34.00	37.93	45.91	53.09	62.60	70.09	72.40	72.30	65.60	54.40	44.68	36.69

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	70.00	56.27	49.94
2005	51.77	52.19	57.11	65.72	71.69	80.60	82.78	81.67	80.60	67.04	61.37	49.36
2006	56.13	51.03	62.14	71.84	75.69	81.20	84.75	86.87	75.74	68.18	58.52	50.90
2007	42.65	51.00	62.48	62.03	71.40	77.84	78.97	82.75	77.63	77.99	57.20	48.55
2008	46.69	54.25	59.78	65.84	83.30	83.63	83.69	M	M	66.57	58.10	48.49
2009	50.23	56.46	60.86	65.87	72.09	80.51	83.24	83.59	74.18	63.38	58.73	43.96
2010	44.89	42.99	55.86	65.48	74.21	82.88	82.55	86.73	77.72	68.22	57.62	50.81
2011	44.92	49.91	61.94	72.80	73.12	86.06	89.14	88.70	77.16	66.52	56.90	46.25
2012	50.41	51.55	61.90	70.22	75.04	80.00	84.20	84.14	77.06	65.76	59.87	51.68
2013	48.03	51.54	56.82	62.15	72.11	81.28	82.85	84.73	79.42	66.91	52.29	44.31
2014	47.36	47.71	55.92	66.37	73.20	79.31	82.18	84.74	77.88	71.88	52.75	51.02
2015	45.03	46.38	56.90	66.10	70.87	79.97	84.01	84.53	79.90	70.15	59.21	53.20
2016	47.69	55.71	60.74	65.70	70.45	79.91	86.00	83.00	77.99	70.89	61.16	48.61
2017	50.30	58.99	63.73	66.41	71.93	79.14	83.92	81.94	77.42	67.36	60.43	49.06
2018	45.13	50.09	61.65	62.30	77.65	85.35	87.79	84.73	76.13	65.03	52.94	47.53
2019	49.60	53.09	54.86	65.39	71.39	77.62	82.38	86.50	83.22	64.03	53.48	50.73
2020	51.34	50.00	61.88	71.93	74.30	80.24	86.55	86.00	73.00	64.63	60.06	49.19
2021	47.50	42.67	59.32	62.41	69.78	79.02	81.65	82.85	78.96	71.11	58.43	62.04
2022	46.20	45.60	59.21	70.21	80.54	86.75	91.12	83.04	81.49	69.84	54.77	53.48
2023	52.87	52.72	60.43	66.53	74.69	85.36	91.09	93.25	84.64	69.94	58.68	54.66
2024	59.83	59.25	61.95	68.58	76.17	84.27	85.14	89.93	77.76	73.96	60.65	55.45
2025	43.90	50.78	64.92	69.07	74.80	82.35	82.55	85.06	80.45	72.75	64.11	55.08
2026	55.89	M	M	70.00	73.61	83.23	84.39	89.87	87.70	80.00	M	M
NCEI Climatology	46.50	50.41	58.20	65.80	73.65	81.14	84.50	84.45	77.55	67.34	57.04	48.40

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	73.2%	78.4%	59.5%
2005	70.9%	73.6%	61.5%	55.3%	73.1%	66.3%	65.0%	72.1%	61.5%	62.4%	48.6%	47.6%
2006	43.1%	57.6%	57.3%	57.9%	59.7%	53.8%	55.7%	51.9%	58.6%	61.0%	59.5%	61.5%
2007	73.2%	61.0%	67.0%	70.4%	82.0%	79.0%	80.9%	70.0%	76.3%	70.1%	66.7%	64.7%
2008	59.3%	56.0%	60.6%	68.9%	48.2%	55.9%	55.2%	M	M	59.2%	53.8%	50.5%
2009	47.3%	47.4%	56.9%	53.4%	72.3%	63.8%	61.6%	56.3%	71.7%	75.3%	66.1%	68.8%
2010	69.8%	73.8%	59.7%	64.8%	63.7%	66.2%	71.2%	53.5%	70.6%	48.8%	54.5%	51.8%
2011	62.1%	61.2%	55.2%	49.2%	60.5%	46.2%	41.3%	41.5%	41.2%	58.4%	61.4%	74.2%
2012	60.6%	66.9%	70.0%	61.1%	64.7%	60.7%	55.8%	51.6%	55.6%	61.3%	52.9%	54.8%
2013	65.9%	57.3%	52.8%	64.6%	65.6%	57.9%	55.9%	51.4%	58.0%	68.8%	68.9%	67.3%
2014	43.7%	64.5%	54.2%	55.5%	54.4%	69.3%	60.0%	50.9%	66.1%	62.4%	65.8%	78.9%
2015	67.4%	73.4%	77.1%	78.3%	85.7%	73.1%	62.8%	56.2%	60.5%	60.1%	72.7%	67.4%
2016	65.6%	54.8%	66.3%	71.0%	80.8%	72.4%	59.5%	68.8%	72.9%	70.6%	74.6%	72.1%
2017	62.6%	61.2%	65.5%	71.6%	66.1%	73.9%	64.1%	70.0%	64.4%	59.2%	69.2%	66.9%
2018	54.2%	73.1%	61.1%	60.5%	64.8%	54.1%	48.2%	53.7%	83.2%	83.0%	65.5%	69.9%
2019	69.4%	74.6%	63.5%	68.4%	81.0%	74.7%	65.3%	61.4%	60.3%	63.8%	68.4%	64.1%
2020	69.9%	64.9%	76.6%	52.8%	64.8%	63.4%	59.2%	49.7%	77.7%	67.6%	66.2%	60.2%
2021	68.7%	71.5%	61.3%	68.3%	84.5%	76.9%	72.0%	68.8%	57.4%	64.7%	64.1%	61.4%
2022	51.5%	59.9%	47.0%	55.7%	56.9%	51.0%	43.3%	70.6%	56.4%	52.3%	72.1%	71.0%
2023	56.1%	59.3%	63.8%	61.8%	73.2%	62.8%	45.9%	37.1%	55.7%	62.1%	70.6%	51.2%
2024	47.1%	61.4%	71.9%	68.5%	77.8%	67.3%	61.6%	51.0%	67.9%	55.0%	64.8%	64.7%
2025	58.9%	64.8%	47.4%	62.3%	65.7%	68.8%	70.4%	61.6%	56.0%	56.0%	61.3%	61.2%
2026	45.4%	M	M	74.6%	72.9%	70.6%	65.7%	45.9%	55.3%	M	M	M