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 (USC00344451) 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
2005	M	M	M	M	M	M	1.13	2.80	3.45	0.73	0.25	0.08
2006	3.50	1.79	5.15	1.54	2.38	0.42	0.50	1.33	2.56	3.16	2.81	4.15
2007	4.71	0.67	2.48	1.98	6.61	5.15	5.89	1.73	4.23	2.61	1.33	3.32
2008	0.76	3.40	9.28	4.49	6.48	4.49	0.57	6.07	3.77	2.78	1.19	1.38
2009	1.49	0.76	3.73	4.08	9.10	1.06	6.61	1.85	7.70	11.09	1.67	3.21
2010	3.12	5.61	3.02	3.52	4.25	1.26	3.29	3.93	2.61	1.37	2.75	1.97
2011	0.67	2.79	0.46	2.98	0.11	0.00	0.00	0.01	0.02	0.07	0.36	0.63
2012	1.14	0.18	6.96	1.81	2.12	2.65	2.22	1.26	1.77	1.08	0.44	2.86
2013	2.74	2.37	2.59	0.74	5.32	4.51	4.45	0.34	3.71	5.63	3.80	0.02
2014	M	M	0.69	0.03	0.02	0.02	4.94	1.11	2.34	3.29	1.56	2.42
2015	3.12	1.88	6.97	0.19	2.13	0.67	0.35	0.66	0.52	5.26	8.56	8.23
2016	0.93	2.16	4.85	9.95	3.09	2.29	2.73	2.11	2.62	0.26	3.01	1.29
2017	2.37	1.47	2.61	5.96	1.41	M	0.42	8.80	M	1.67	0.44	2.88
2018	1.24	10.07	1.70	3.51	1.11	1.25	1.28	1.63	6.53	7.40	1.89	6.02
2019	2.14	3.38	2.01	5.42	8.85	7.04	0.76	1.67	3.68	5.05	3.45	0.63
2020	4.57	2.38	7.13	4.65	9.51	2.45	1.18	4.44	3.17	2.33	1.15	7.00
2021	3.68	2.19	3.37	4.99	8.15	7.84	2.49	8.71	0.13	2.30	1.52	1.38
2022	0.63	4.22	5.69	6.33	3.78	2.69	0.37	3.86	0.47	6.18	5.34	1.76
2023	M	M	2.48	3.43	2.93	1.91	4.73	0.88	5.55	4.25	3.18	1.72
2024	4.40	1.69	5.68	4.80	7.46	4.34	5.11	M	6.72	0.81	6.19	5.79
2025	5.54	2.57	2.71	5.16	6.67	4.57	2.89	M	M	M	M	M
NCEI Climatology	3.77	4.27	5.02	5.37	6.35	4.12	3.61	3.03	4.31	5.18	4.68	4.98

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	4.9	5.0	5.2	6.3	4.6	7.3	6.7
2006	8.3	7.4	9.0	8.1	6.6	5.3	6.2	6.1	6.1	6.4	7.1	6.9
2007	6.1	8.4	7.5	7.2	5.7	5.8	3.7	4.6	4.9	5.8	5.7	6.6
2008	8.0	8.4	9.5	8.8	7.2	7.4	5.2	4.6	5.4	5.7	6.7	8.3
2009	7.0	8.7	9.2	9.3	6.4	6.1	5.3	6.0	5.1	6.8	5.8	6.9
2010	6.5	6.6	7.9	7.7	6.1	5.5	5.6	5.2	5.7	5.0	7.9	8.1
2011	6.4	8.5	8.9	9.9	8.9	5.1	5.7	6.2	6.4	6.4	8.7	5.8
2012	7.5	7.5	7.7	6.9	6.1	5.7	5.5	6.2	6.0	6.8	6.1	7.6
2013	7.2	8.0	8.7	8.2	8.1	6.1	5.5	5.3	5.0	6.0	6.2	5.4
2014	8.3	7.4	7.7	8.2	7.1	7.2	5.2	5.1	5.3	5.5	7.4	6.5
2015	6.0	7.3	5.9	7.4	6.9	5.6	6.4	5.6	5.6	5.7	6.2	6.8
2016	6.7	7.7	8.3	6.7	6.3	4.8	6.2	4.7	4.8	6.0	5.6	6.8
2017	5.9	7.8	8.3	8.1	6.8	5.7	4.6	4.9	4.8	6.1	5.8	6.0
2018	7.2	7.0	7.6	7.3	4.3	3.7	1.7	1.7	1.6	2.8	4.9	4.7
2019	4.6	5.8	6.2	7.2	6.3	4.9	5.7	4.7	5.5	6.0	6.1	5.6
2020	6.9	7.4	7.6	6.3	6.6	5.9	5.4	5.7	4.8	6.4	7.3	7.3
2021	7.4	7.8	8.7	7.5	7.7	5.8	5.2	5.8	5.0	6.9	6.4	7.7
2022	7.3	7.4	8.7	9.6	8.6	5.9	6.7	6.7	5.4	6.6	6.6	6.7
2023	M	M	9.2	7.9	5.8	4.6	5.7	6.2	6.2	6.7	6.0	6.7
2024	7.7	8.3	7.9	8.7	6.6	6.1	6.2	5.5	5.8	6.3	6.9	6.6
2025	6.8	7.6	9.4	8.3	6.6	6.4	5.6	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
2005	M	M	M	M	M	98.00	94.36	97.10	94.12	77.74	70.30	57.45
2006	64.55	56.77	68.95	79.39	82.06	88.39	94.55	96.97	84.25	74.84	65.90	56.37
2007	53.80	56.75	71.71	68.79	78.81	85.77	86.60	92.57	84.39	77.09	61.61	56.61
2008	50.83	59.58	66.10	71.93	79.59	87.85	92.37	88.26	81.11	73.37	63.29	55.57
2009	54.18	62.15	64.75	71.60	77.52	90.14	91.46	88.45	80.24	67.42	67.70	48.08
2010	48.43	47.24	63.65	75.44	83.45	91.46	91.98	96.86	87.50	78.74	65.00	54.70
2011	50.81	57.39	68.29	76.82	79.55	90.89	101.13	103.07	90.32	79.26	65.60	54.88
2012	58.25	58.13	74.79	76.82	86.64	93.50	97.38	96.10	90.26	76.01	69.98	59.93
2013	56.45	57.59	63.18	71.71	79.03	89.60	92.50	95.93	92.96	74.68	60.26	52.09
2014	52.85	54.82	66.66	75.68	82.86	89.66	90.41	92.62	87.86	79.03	59.36	52.21
2015	53.37	50.51	62.72	73.88	79.32	90.80	94.59	95.93	91.82	80.60	64.46	61.90
2016	53.25	61.61	68.23	73.76	78.10	89.60	94.48	90.65	87.92	82.57	69.14	54.35
2017	59.14	64.34	70.26	75.14	79.88	87.73	91.11	85.94	85.94	77.00	67.52	53.60
2018	50.70	55.66	68.17	68.96	86.06	91.58	95.93	92.79	85.46	72.59	59.30	53.54
2019	51.92	55.91	61.73	71.60	78.45	83.96	91.69	93.43	89.96	71.25	60.02	56.45
2020	53.95	55.40	66.20	69.02	77.12	86.66	89.83	88.50	79.76	70.76	67.82	56.74
2021	53.14	46.98	68.64	71.06	76.07	87.38	90.76	91.40	87.68	78.63	65.12	68.12
2022	55.86	57.59	67.13	74.49	83.62	89.84	98.77	92.79	89.78	77.93	60.68	51.86
2023	M	51.80	66.20	72.56	81.88	86.00	91.60	98.43	89.60	75.95	63.85	57.90
2024	50.00	66.32	69.05	74.48	82.63	90.08	90.24	95.00	87.14	81.94	68.72	57.49
2025	49.42	57.39	72.18	76.16	79.79	88.16	90.77	M	M	M	M	M
NCEI Climatology	54.40	59.01	67.30	74.90	81.79	89.10	93.51	93.60	87.10	77.10	65.40	56.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	77.00	71.74	73.26	71.46	52.74	45.51	32.77
2006	38.66	35.66	45.81	56.68	60.21	65.67	71.15	71.81	59.32	50.07	41.54	37.05
2007	32.62	34.32	49.88	47.08	61.28	67.92	68.65	71.37	65.34	54.75	40.59	34.33
2008	30.56	35.08	42.52	49.04	58.30	67.90	69.46	69.81	60.86	49.14	39.32	32.00
2009	31.59	39.59	43.73	48.98	58.65	68.84	69.57	71.44	63.14	49.01	44.36	30.72
2010	31.07	31.61	39.66	51.56	61.44	71.24	72.35	72.94	64.40	47.91	41.60	33.22
2011	28.69	34.25	44.83	52.94	57.72	70.57	75.40	76.71	61.34	51.51	41.84	36.41
2012	36.65	40.01	51.10	53.90	61.96	67.52	71.72	68.81	63.74	50.29	40.10	36.65
2013	34.79	35.60	39.03	47.67	57.43	66.86	67.94	69.57	64.70	52.09	38.18	31.30
2014	26.19	32.13	38.10	49.52	58.01	69.62	67.30	68.23	64.52	52.85	36.20	37.75
2015	30.37	30.07	43.85	52.46	60.80	68.48	72.76	68.35	64.64	53.25	45.20	39.08
2016	31.65	37.59	45.88	52.88	57.84	68.96	72.01	70.79	64.04	56.50	44.30	36.18
2017	40.58	42.61	46.34	53.24	58.34	66.89	70.32	69.05	61.70	49.59	44.00	34.09
2018	27.24	37.34	44.08	43.76	63.30	69.20	71.02	69.10	66.14	54.30	35.72	36.59
2019	32.00	38.36	40.19	50.54	59.81	64.76	69.34	71.77	68.96	50.06	37.52	34.79
2020	36.94	35.17	48.61	47.84	57.14	66.62	71.19	67.36	61.88	50.60	43.70	33.16
2021	34.21	28.14	46.05	49.34	59.29	69.14	71.02	72.53	63.92	55.28	39.08	45.88
2022	27.53	30.84	40.48	53.28	63.59	69.86	75.20	72.82	62.84	50.46	41.42	36.11
2023	M	51.80	44.32	50.96	61.21	65.40	72.73	73.63	65.90	54.12	40.69	36.30
2024	29.15	42.43	47.15	54.92	64.34	70.10	72.01	72.01	64.34	55.46	46.58	40.77
2025	28.17	35.09	46.63	55.52	60.57	70.52	72.54	M	M	M	M	M
NCEI Climatology	29.39	33.93	40.90	48.00	58.71	66.00	70.10	68.90	61.40	49.00	39.11	32.20

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	87.50	83.05	85.18	82.79	65.24	57.91	45.11
2006	51.61	46.22	58.44	68.04	71.14	77.03	82.85	84.39	71.78	62.45	53.72	46.71
2007	43.21	45.54	60.80	57.93	70.05	76.85	77.63	81.97	74.86	65.92	51.10	45.47
2008	40.69	47.33	54.31	60.49	68.95	77.87	80.92	79.03	70.98	61.25	51.30	43.79
2009	42.89	50.87	54.24	60.29	68.09	79.49	80.51	79.95	71.69	58.22	56.03	39.40
2010	39.75	39.43	51.65	63.50	72.44	81.35	82.17	84.90	75.95	63.33	53.30	43.96
2011	39.75	45.82	56.56	64.88	68.64	80.73	88.27	89.89	75.83	65.39	53.72	45.65
2012	47.45	49.07	62.95	65.36	74.30	80.51	84.55	82.46	77.00	63.15	55.04	48.29
2013	45.62	46.59	51.10	59.69	68.23	78.23	80.22	82.75	78.83	63.38	49.22	41.70
2014	39.52	43.47	52.38	62.60	70.44	79.64	78.86	80.43	76.19	65.94	47.78	44.98
2015	41.87	40.29	53.28	63.17	70.06	79.64	83.68	82.14	78.23	66.93	54.83	50.49
2016	42.45	49.60	57.05	63.32	67.97	79.28	83.24	80.72	75.98	69.54	56.72	45.27
2017	49.86	53.47	58.30	64.19	69.11	77.31	80.72	77.49	73.82	63.30	55.76	43.85
2018	38.97	46.50	56.13	56.36	74.68	80.39	83.47	80.95	75.80	63.44	47.51	45.06
2019	41.96	47.14	50.96	61.07	69.13	74.36	80.51	82.60	79.46	60.65	48.77	45.62
2020	45.44	45.28	57.40	58.43	67.13	76.64	80.51	77.93	70.82	60.68	55.76	44.95
2021	43.67	37.56	57.35	60.20	67.68	78.26	80.89	81.96	75.80	66.95	52.10	57.00
2022	41.70	44.21	53.80	63.89	73.60	79.85	86.99	82.81	76.31	64.20	51.05	43.99
2023	M	51.80	55.26	61.76	71.54	75.70	82.17	86.03	77.75	65.04	52.27	47.10
2024	39.58	54.38	58.10	64.70	73.49	80.09	81.12	83.50	75.74	68.70	57.65	49.13
2025	38.79	46.24	59.41	65.84	70.18	79.34	81.66	M	M	M	M	M
NCEI Climatology	41.90	46.47	54.10	61.45	70.25	77.55	81.80	81.25	74.25	63.05	52.25	44.45

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
2005	M	M	M	M	M	73.5%	85.0%	81.5%	78.7%	83.3%	77.0%	77.0%
2006	75.3%	80.1%	78.7%	72.5%	72.2%	66.6%	59.5%	61.6%	64.1%	68.8%	71.9%	72.7%
2007	74.5%	66.4%	65.6%	66.4%	78.6%	78.9%	80.2%	72.4%	76.5%	72.1%	69.7%	75.3%
2008	69.1%	68.8%	68.4%	67.5%	72.4%	73.9%	64.9%	74.7%	78.5%	72.8%	67.6%	67.6%
2009	64.6%	63.4%	67.6%	65.2%	77.1%	68.6%	68.5%	74.4%	80.6%	82.3%	71.9%	74.3%
2010	74.6%	73.1%	65.0%	64.5%	71.1%	72.7%	75.1%	63.5%	70.8%	61.2%	71.3%	67.3%
2011	68.2%	72.7%	65.6%	66.1%	71.0%	70.5%	53.3%	47.6%	45.5%	54.6%	70.3%	75.6%
2012	66.4%	67.6%	67.9%	72.3%	66.2%	61.9%	63.2%	59.0%	60.5%	64.4%	59.6%	66.2%
2013	72.6%	66.8%	59.1%	66.8%	70.6%	70.2%	67.4%	63.5%	61.5%	76.3%	70.4%	79.2%
2014	54.9%	66.5%	66.0%	63.9%	70.0%	72.9%	70.7%	69.9%	72.0%	72.7%	67.5%	82.6%
2015	65.8%	68.6%	78.0%	73.2%	77.7%	71.1%	64.6%	56.6%	58.6%	59.7%	75.1%	74.3%
2016	69.2%	58.8%	64.7%	67.1%	72.3%	70.5%	66.2%	75.2%	71.1%	66.9%	68.1%	68.6%
2017	72.3%	68.3%	65.1%	72.3%	65.8%	58.5%	64.7%	79.1%	66.5%	63.2%	70.1%	65.7%
2018	60.2%	79.7%	60.4%	63.3%	68.6%	64.8%	61.8%	65.3%	75.9%	79.0%	71.8%	75.8%
2019	74.0%	76.0%	63.1%	68.6%	77.1%	76.0%	68.4%	68.2%	67.2%	74.6%	72.0%	72.5%
2020	77.1%	72.5%	75.1%	72.7%	72.5%	69.0%	74.5%	71.1%	79.8%	77.7%	72.4%	73.6%
2021	72.5%	77.0%	65.4%	69.9%	81.0%	79.8%	76.7%	77.9%	73.4%	72.4%	70.4%	79.3%
2022	60.4%	66.2%	63.0%	65.9%	77.6%	75.2%	60.9%	73.0%	65.5%	59.6%	81.1%	77.4%
2023	M	M	63.7%	71.5%	80.3%	83.6%	83.8%	68.3%	73.8%	79.6%	76.0%	74.0%
2024	76.4%	71.3%	78.4%	79.4%	87.1%	79.8%	81.2%	71.0%	75.8%	66.4%	81.2%	82.7%
2025	73.6%	77.8%	61.5%	79.2%	85.7%	86.6%	84.2%	M	M	M	M	M