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 (USC00418449) 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	0.35	3.10	0.08
2005	0.33	0.51	0.59	0.23	2.23	0.21	0.84	2.04	0.00	2.80	0.00	0.09
2006	0.09	0.25	1.28	0.54	0.77	1.39	0.69	0.94	1.29	1.37	0.00	0.34
2007	1.54	0.16	1.33	1.46	0.06	1.88	0.56	3.94	2.71	0.02	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	0.02
2009	0.00	0.19	1.29	3.07	1.45	0.61	1.27	0.09	1.09	0.50	0.18	0.45
2010	0.00	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.26
2011	0.19	0.54	0.00	0.98	0.11	0.03	0.49	0.16	0.47	1.19	0.21	1.08
2012	1.14	1.42	1.02	0.56	2.72	0.10	0.71	0.28	2.35	0.43	0.16	0.05
2013	0.76	0.17	0.03	1.09	3.17	1.09	2.00	0.68	4.76	3.37	1.03	0.61
2014	M	M	0.49	0.27	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	1.01	1.29	1.55	1.69	2.37	2.62	2.28	2.60	3.21	2.15	1.20	0.74

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	3.6	5.6	5.6
2005	6.4	6.0	6.6	8.5	7.5	7.9	6.8	5.9	6.1	6.1	5.2	5.5
2006	6.3	6.9	8.1	8.4	9.3	7.1	7.5	6.7	6.5	0.8	6.4	6.3
2007	5.7	7.3	8.2	9.0	7.3	7.5	5.9	7.3	5.8	6.4	6.5	6.1
2008	6.5	6.8	8.5	8.9	9.4	11.5	8.6	5.6	4.1	5.9	5.9	4.5
2009	4.4	8.1	9.1	8.8	7.2	8.2	5.4	7.1	5.9	7.7	5.2	5.5
2010	6.4	M	9.2	8.9	8.5	9.9	7.9	6.7	7.0	5.3	8.4	7.2
2011	7.1	8.2	9.4	9.9	10.2	11.1	8.3	7.1	5.7	7.2	7.7	7.2
2012	6.1	7.6	8.0	8.6	8.4	8.9	7.8	6.7	6.9	7.7	6.2	5.7
2013	5.8	7.2	8.7	9.7	9.3	9.0	6.5	5.9	5.5	6.9	5.5	4.7
2014	6.9	7.0	9.2	8.7	6.1	M	6.2	6.5	6.1	6.2	8.0	6.8
2015	5.6	7.5	5.6	7.8	9.1	7.5	8.9	6.1	6.4	6.2	7.4	5.2
2016	5.1	5.9	8.0	1.5	8.3	7.2	9.0	7.3	6.4	6.1	5.4	6.6
2017	5.8	5.8	8.0	8.7	7.9	7.6	5.8	5.1	5.8	6.0	5.2	4.4
2018	5.3	6.9	7.4	8.7	8.8	9.6	5.9	5.8	4.5	6.2	5.3	5.4
2019	5.9	6.2	7.8	7.6	7.7	7.6	6.8	4.0	3.9	6.6	5.9	4.4
2020	5.7	6.8	6.2	8.1	4.7	0.0	0.0	0.0	4.0	6.4	5.8	5.7
2021	5.0	4.9	8.0	7.6	6.9	6.1	4.9	5.9	3.1	4.4	5.0	3.4
2022	4.1	5.6	7.2	8.4	7.5	3.5	6.2	5.5	3.7	5.0	6.1	4.6
2023	4.4	5.5	7.2	6.4	4.5	6.7	7.1	2.7	0.1	2.7	1.0	0.4
2024	5.5	6.3	7.0	8.8	7.7	9.6	7.5	6.2	5.5	5.7	5.6	4.8
2025	6.1	4.4	6.7	8.5	6.1	7.5	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
2004	M	M	M	M	M	M	80.00	85.35	83.78	71.70	65.91	60.58
2005	63.36	61.89	71.45	78.51	82.08	90.59	93.41	90.47	92.54	78.05	73.34	62.31
2006	68.46	66.20	74.56	84.20	90.47	93.68	94.83	94.25	85.58	79.26	72.02	61.38
2007	58.83	63.50	73.05	75.98	80.25	86.36	86.58	90.12	86.06	82.63	69.80	64.05
2008	57.78	70.61	74.15	80.78	89.54	94.82	92.62	91.34	85.64	77.84	70.34	63.28
2009	64.52	70.89	71.97	78.68	84.98	94.04	94.93	95.58	84.20	77.23	70.04	55.75
2010	49.74	M	75.97	75.92	85.77	93.56	90.12	96.51	88.70	82.52	71.36	64.57
2011	61.38	64.46	78.68	88.82	89.19	98.00	97.50	99.41	92.60	80.43	70.58	56.04
2012	63.88	62.79	74.50	83.96	85.71	95.96	94.77	96.16	87.98	78.97	72.10	65.39
2013	59.93	66.71	74.21	78.98	85.48	91.40	90.92	94.94	86.72	77.52	62.72	57.26
2014	59.58	64.08	71.60	80.06	86.90	M	94.64	93.14	85.58	83.45	63.38	60.45
2015	55.05	59.06	68.29	77.54	81.65	87.86	93.37	96.74	91.04	81.82	67.04	64.81
2016	59.70	68.62	72.94	77.90	83.21	90.56	97.26	91.81	87.08	82.69	70.46	60.05
2017	65.04	72.24	76.30	79.88	84.37	93.26	94.25	89.60	88.04	78.22	73.34	59.17
2018	58.25	65.49	75.61	80.30	89.72	96.20	96.45	92.56	81.74	72.82	65.18	59.23
2019	59.17	64.08	67.71	79.94	82.53	89.42	94.19	98.66	92.48	77.70	67.28	65.85
2020	63.41	62.66	73.69	78.16	88.44	93.20	97.09	97.61	84.32	79.50	71.78	63.94
2021	59.29	57.27	72.24	75.62	82.23	89.46	91.53	90.50	89.77	83.21	71.06	73.69
2022	60.22	60.16	74.10	83.78	92.49	94.89	98.14	93.14	89.12	79.61	64.04	60.80
2023	64.34	65.17	73.57	80.66	85.36	97.76	98.25	100.46	93.44	79.15	65.90	64.23
2024	56.52	69.61	73.52	82.88	90.12	88.40	92.94	98.90	90.62	89.77	81.25	M
2025	M	68.83	79.55	80.84	87.10	91.40	M	M	M	M	M	M
NCEI Climatology	61.00	66.21	73.10	80.89	87.60	93.50	95.60	95.81	89.10	80.71	69.90	62.40

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	78.80	70.62	63.38	65.50	43.03	31.12
2005	39.67	41.59	41.38	51.12	61.15	68.95	71.01	68.70	65.24	53.60	39.98	30.49
2006	32.87	33.86	47.79	57.56	63.65	68.18	70.90	72.65	63.50	54.76	42.44	33.39
2007	32.12	35.99	48.66	51.56	62.08	68.54	68.99	70.79	66.92	52.90	43.16	31.59
2008	32.12	34.98	45.01	51.08	63.01	72.62	71.37	70.44	59.60	48.74	38.24	38.33
2009	33.74	37.78	47.21	51.56	62.90	71.00	72.90	71.95	62.96	53.95	38.54	31.65
2010	26.21	M	43.06	54.38	62.54	72.44	72.82	72.70	66.74	50.35	39.98	32.23
2011	29.97	34.12	49.19	57.08	61.79	72.50	75.20	75.32	61.88	53.08	41.96	36.82
2012	34.15	40.44	48.78	57.74	64.46	71.60	72.12	72.12	64.40	56.15	45.34	36.01
2013	35.19	36.76	44.31	53.30	62.08	71.36	70.88	71.66	65.24	54.76	40.64	32.17
2014	28.69	35.02	42.92	54.44	50.60	M	72.56	71.83	67.16	55.75	39.62	41.93
2015	31.13	35.02	43.55	55.82	63.99	69.20	73.11	71.19	67.64	57.55	45.92	33.45
2016	31.13	35.66	47.74	53.00	62.37	68.84	74.85	72.76	66.98	58.88	48.20	39.43
2017	34.79	41.45	52.38	56.06	60.63	69.74	71.72	70.09	65.00	51.51	45.26	33.57
2018	27.35	40.42	48.08	50.54	66.14	74.18	73.17	71.37	67.58	56.45	37.40	34.73
2019	35.08	40.68	45.76	53.24	65.27	68.90	70.67	74.62	70.04	51.34	38.96	31.71
2020	36.82	34.67	53.43	52.44	62.37	69.08	74.45	72.70	61.28	50.52	43.76	28.81
2021	32.41	31.13	43.44	51.98	62.43	70.84	72.37	71.06	61.23	56.68	42.86	41.70
2022	27.41	27.95	40.36	57.80	67.10	78.12	74.27	73.34	65.06	52.26	41.96	38.10
2023	33.68	35.15	48.95	53.84	64.92	72.68	75.84	74.74	70.76	56.74	45.02	37.69
2024	31.57	40.75	47.97	56.06	67.13	71.60	74.43	73.58	64.10	57.26	57.85	M
2025	M	37.54	47.21	57.56	61.61	70.86	M	M	M	M	M	M
NCEI Climatology	30.80	35.03	43.20	51.10	61.89	69.40	71.49	70.60	63.70	52.40	40.80	32.00

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	79.40	77.98	73.58	68.60	54.47	45.85
2005	51.52	51.74	56.41	64.81	71.62	79.77	82.21	79.58	78.89	65.82	56.66	46.40
2006	50.67	50.03	61.18	70.88	77.06	80.93	82.86	83.45	74.54	67.01	57.23	47.39
2007	45.47	49.74	60.86	63.77	71.16	77.45	77.78	80.45	76.49	67.77	56.48	47.82
2008	44.95	52.79	59.58	65.93	76.27	83.72	81.99	80.89	72.62	63.29	54.29	50.81
2009	49.13	54.34	59.59	65.12	73.94	82.52	83.91	83.76	73.58	65.59	54.29	43.70
2010	37.98	M	59.51	65.15	74.15	83.00	81.47	84.61	77.72	66.43	55.67	48.40
2011	45.67	49.29	63.94	72.95	75.49	85.25	86.35	87.36	77.24	66.75	56.27	46.43
2012	49.01	51.61	61.64	70.85	75.08	83.78	83.45	84.14	76.19	67.56	58.72	50.70
2013	47.56	51.74	59.26	66.14	73.78	81.38	80.90	83.30	75.98	66.14	51.68	44.72
2014	44.14	49.55	57.26	67.25	68.75	M	83.60	82.49	76.37	69.60	51.50	51.19
2015	43.09	47.04	55.92	66.68	72.82	78.53	83.24	83.97	79.34	69.68	56.48	49.13
2016	45.41	52.14	60.34	65.45	72.79	79.70	86.06	82.28	77.03	70.79	59.33	49.74
2017	49.91	56.85	64.34	67.97	72.50	81.50	82.98	79.85	76.52	64.86	59.30	46.37
2018	42.80	52.96	61.85	65.42	77.93	85.19	84.81	81.96	74.66	64.63	51.29	46.98
2019	47.13	52.38	56.74	66.59	73.90	79.16	82.43	86.64	81.26	64.52	53.12	48.78
2020	50.12	48.67	63.56	65.30	75.40	81.14	85.77	85.16	72.80	65.01	57.77	46.37
2021	45.85	44.20	57.84	63.80	72.33	80.15	81.95	80.78	75.50	69.95	56.96	57.69
2022	43.82	44.05	57.23	70.79	79.80	86.51	86.20	83.24	77.09	65.94	53.00	49.45
2023	49.01	50.16	61.26	67.25	75.14	85.22	87.05	87.60	82.10	67.94	55.46	50.96
2024	44.04	55.18	60.74	69.47	78.63	80.00	83.69	86.24	77.36	73.52	69.55	M
2025	M	53.18	63.38	69.20	74.36	81.13	M	M	M	M	M	M
NCEI Climatology	45.90	50.62	58.15	66.00	74.74	81.45	83.55	83.20	76.40	66.55	55.35	47.20

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	94.7%	77.5%	67.9%
2005	72.5%	75.8%	60.2%	51.8%	70.3%	62.0%	62.5%	67.1%	57.3%	70.6%	57.7%	56.0%
2006	47.6%	52.6%	56.3%	54.5%	50.3%	49.9%	54.5%	57.2%	61.7%	69.4%	56.1%	63.2%
2007	76.5%	62.8%	64.1%	62.6%	74.4%	72.4%	74.9%	69.7%	73.8%	62.3%	67.1%	65.4%
2008	60.6%	52.5%	58.0%	55.7%	50.2%	52.9%	56.5%	64.1%	62.2%	57.9%	57.6%	56.4%
2009	48.4%	46.7%	58.2%	50.8%	63.7%	55.5%	53.8%	49.4%	69.5%	69.6%	67.3%	73.0%
2010	70.8%	M	43.1%	65.0%	63.2%	61.8%	68.3%	53.6%	65.6%	52.8%	51.2%	51.4%
2011	58.0%	55.7%	50.3%	42.7%	47.9%	41.4%	45.6%	43.4%	40.8%	57.8%	58.1%	73.8%
2012	62.2%	66.8%	65.4%	50.8%	62.9%	47.5%	54.1%	48.2%	55.5%	61.4%	58.9%	54.2%
2013	66.8%	49.6%	42.3%	54.5%	59.0%	58.8%	56.7%	52.1%	67.4%	72.2%	74.4%	75.1%
2014	53.3%	65.7%	52.0%	49.8%	31.1%	M	54.9%	53.6%	69.1%	58.0%	63.7%	73.9%
2015	72.4%	70.6%	71.5%	67.2%	74.7%	69.4%	57.9%	53.5%	57.3%	61.2%	72.3%	70.2%
2016	66.3%	57.6%	63.2%	63.1%	67.2%	63.8%	51.8%	64.0%	68.9%	66.8%	73.5%	73.4%
2017	62.3%	60.7%	60.9%	59.9%	58.5%	56.8%	59.1%	67.0%	59.1%	60.8%	68.2%	75.2%
2018	53.7%	68.7%	52.2%	49.6%	57.3%	52.7%	48.4%	57.8%	81.2%	82.1%	66.9%	68.8%
2019	67.7%	65.6%	60.1%	56.2%	73.5%	65.9%	55.2%	51.4%	56.4%	58.6%	68.6%	59.4%
2020	66.0%	64.4%	71.6%	59.8%	56.8%	52.6%	51.8%	45.3%	69.4%	61.7%	66.1%	55.1%
2021	66.3%	70.5%	55.5%	58.6%	69.1%	65.5%	60.8%	68.2%	52.0%	60.2%	60.6%	62.7%
2022	50.0%	55.9%	37.8%	48.2%	52.3%	38.9%	47.5%	59.5%	58.4%	56.8%	69.0%	67.1%
2023	56.3%	54.1%	54.0%	48.1%	66.2%	47.0%	45.8%	43.0%	55.7%	64.1%	76.5%	70.5%
2024	63.3%	56.9%	63.6%	53.1%	62.4%	70.8%	59.9%	51.2%	65.4%	51.1%	59.4%	M
2025	M	54.2%	38.8%	58.0%	55.7%	65.9%	M	M	M	M	M	M