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 (USC00137147) 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	0.12	0.51	0.38	6.81	5.49	6.32	3.90	2.88	5.87	1.45	2.25	0.42
2006	0.33	0.00	2.62	5.67	0.96	4.48	0.44	4.58	5.65	0.28	0.96	1.85
2007	0.26	0.56	2.06	2.31	3.41	3.23	0.16	8.39	2.72	6.67	0.03	0.73
2008	0.00	0.09	0.45	1.44	4.75	3.89	3.70	1.98	1.39	3.01	0.56	0.05
2009	0.01	0.22	0.07	0.92	1.81	2.49	3.46	1.51	0.66	4.36	0.24	0.19
2010	0.14	0.05	0.70	1.96	1.28	5.42	3.81	4.81	6.95	1.49	0.12	0.33
2011	0.07	0.43	0.48	3.54	3.48	6.76	7.06	3.06	0.30	0.66	0.08	0.31
2012	0.17	1.06	0.78	1.52	6.26	0.45	1.04	3.01	0.56	0.24	0.60	0.54
2013	0.18	0.15	0.46	1.08	2.87	4.46	0.35	2.56	0.68	1.77	0.02	0.05
2014	M	0.02	0.05	0.72	2.31	13.51	0.96	2.72	0.77	0.62	0.09	0.56
2015	0.05	0.01	0.04	1.23	4.43	4.52	2.37	5.39	2.91	0.96	2.53	0.29
2016	M	0.10	0.82	1.97	2.95	3.53	2.54	1.15	5.94	1.18	0.75	0.48
2017	0.06	0.13	0.25	1.12	0.98	3.87	0.58	5.07	1.62	3.41	M	0.00
2018	0.00	0.14	0.96	0.48	4.85	8.95	5.41	6.76	6.02	1.48	1.01	0.29
2019	0.07	0.28	0.96	2.87	3.47	3.90	5.52	1.42	3.16	2.00	0.37	0.27
2020	0.10	0.02	1.07	0.11	3.01	4.39	6.27	1.16	0.35	M	0.54	0.01
2021	0.22	M	0.94	1.30	2.24	1.52	2.28	6.65	13.60	7.16	0.19	0.28
2022	0.06	0.06	0.58	0.84	1.40	1.44	5.35	5.01	1.52	0.25	0.38	0.56
2023	0.29	0.60	0.23	0.48	1.17	2.03	1.94	3.25	1.17	1.84	M	0.90
2024	0.08	0.11	0.64	3.19	4.73	2.09	0.82	2.39	0.41	0.39	1.40	0.22
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.61	0.73	1.52	3.03	3.96	5.03	3.59	3.12	3.24	2.23	1.42	0.82

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	1.2	8.3	10.1	10.9	12.3	9.5	7.3	5.1	8.0	7.3	10.5	7.7
2006	9.3	9.8	11.1	11.0	12.0	7.8	6.1	6.1	7.6	9.3	6.9	8.4
2007	9.7	9.4	9.5	11.1	11.9	9.1	6.2	5.4	9.4	9.3	9.6	6.1
2008	8.4	8.1	8.9	11.7	11.2	8.4	6.3	5.7	7.5	8.1	9.5	10.7
2009	9.6	10.3	10.1	10.8	10.1	7.2	5.8	6.2	5.0	7.7	6.2	9.3
2010	8.0	6.7	8.4	10.0	10.9	7.8	6.4	6.7	7.6	7.2	9.9	9.3
2011	9.2	9.8	9.9	11.7	12.2	9.8	5.9	4.6	5.6	8.4	8.9	8.2
2012	9.3	9.1	9.9	11.4	10.6	8.8	5.4	5.5	5.7	10.2	8.6	7.2
2013	9.1	9.6	10.2	10.9	10.3	8.5	5.4	4.7	6.6	9.1	9.5	8.4
2014	12.0	9.8	10.6	12.4	9.3	8.0	7.6	4.9	6.8	8.4	11.4	9.9
2015	9.3	10.3	9.4	10.7	10.5	6.8	5.4	6.3	6.7	8.0	9.3	8.7
2016	8.3	9.9	9.5	12.3	8.3	8.0	6.4	4.7	7.2	7.6	7.7	12.2
2017	9.0	9.4	10.6	9.8	8.9	7.9	5.3	4.6	6.3	8.1	8.3	8.9
2018	8.4	8.0	9.3	10.5	7.3	8.9	5.7	4.9	7.2	7.2	8.6	7.8
2019	8.9	9.3	9.0	9.3	9.1	7.0	5.8	5.0	7.4	9.5	8.5	7.0
2020	8.5	8.0	9.5	8.4	8.4	9.2	5.4	5.8	6.2	8.9	8.0	7.7
2021	8.2	7.0	9.8	10.5	8.9	6.5	4.5	6.0	5.8	6.9	8.6	8.6
2022	9.4	10.2	10.6	14.8	9.7	8.5	5.9	5.0	5.6	6.8	10.3	10.4
2023	7.0	7.7	9.4	12.1	8.2	5.6	4.4	5.6	5.1	8.4	7.6	7.5
2024	7.9	8.4	9.9	12.6	9.1	7.7	5.3	5.8	5.5	7.9	8.9	8.1
2025	7.1	M	M	M	M	M	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
2005	25.45	39.33	42.80	62.36	67.48	80.42	83.50	79.85	77.84	62.02	47.24	25.52
2006	36.12	32.13	41.23	61.34	68.29	77.06	84.08	78.28	66.38	55.81	45.32	35.60
2007	25.55	20.68	44.89	54.44	71.72	78.50	83.74	79.21	74.90	63.24	44.54	25.85
2008	24.45	25.79	36.82	53.54	65.97	77.72	82.86	79.85	72.56	59.81	42.14	24.68
2009	23.12	32.84	42.74	55.58	69.68	75.26	77.35	76.88	74.06	48.61	51.50	23.41
2010	18.59	24.35	44.89	64.70	69.22	78.26	81.94	82.46	70.94	65.04	43.34	24.16
2011	20.27	25.38	36.24	52.88	67.71	77.30	85.25	79.67	71.18	65.15	47.18	35.89
2012	33.80	34.92	60.63	62.72	73.40	83.42	89.31	82.05	76.70	56.74	46.04	31.48
2013	26.66	30.33	36.12	47.78	67.54	77.54	82.63	82.40	79.10	58.30	43.40	21.90
2014	24.86	21.65	39.32	56.66	71.37	78.02	78.97	78.97	72.98	63.06	36.08	32.35
2015	28.92	25.70	50.75	63.14	68.35	79.34	82.63	78.45	77.36	64.40	47.18	33.68
2016	25.67	33.24	49.94	57.38	69.28	81.56	80.83	77.86	73.94	60.22	50.60	26.83
2017	25.85	39.91	40.94	57.08	67.07	80.78	83.45	74.97	74.36	58.19	43.82	28.11
2018	24.34	22.74	37.63	45.56	74.50	80.00	80.60	77.87	71.00	52.79	35.72	32.17
2019	23.23	17.54	36.59	54.86	64.11	79.10	80.89	76.28	74.23	50.93	38.54	28.86
2020	26.08	30.32	44.43	55.70	63.70	83.30	82.69	81.30	72.15	45.95	47.48	35.89
2021	30.43	18.76	48.43	56.30	67.13	84.68	81.00	80.17	75.80	64.55	45.56	33.05
2022	26.37	29.69	41.23	50.66	67.13	80.54	81.56	79.50	75.92	62.37	42.50	22.65
2023	23.35	27.63	31.88	54.38	74.79	81.98	80.54	81.70	77.90	58.65	49.16	39.14
2024	22.94	41.93	46.69	58.22	70.67	77.43	80.60	78.05	79.04	66.84	44.24	30.20
2025	24.35	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	25.20	30.47	43.20	57.90	70.29	80.70	84.70	82.29	75.29	61.10	44.21	30.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	8.70	19.64	21.14	39.26	46.28	60.86	62.25	57.26	53.00	38.62	26.42	13.16
2006	23.99	12.71	26.08	40.82	46.11	55.40	59.64	58.59	45.38	33.86	21.74	18.47
2007	8.60	5.19	27.88	32.90	50.35	56.72	59.87	60.92	48.86	42.10	23.42	9.41
2008	5.93	7.48	22.48	32.06	44.95	56.12	61.50	57.95	48.74	38.45	26.00	4.13
2009	2.97	13.23	23.00	33.74	45.01	56.00	56.04	55.46	49.76	33.92	30.02	7.67
2010	2.79	7.44	28.69	40.70	46.40	57.92	62.43	63.01	48.98	37.86	24.92	8.02
2011	2.33	7.57	22.71	34.94	46.98	58.22	66.78	58.07	45.50	38.50	23.66	15.57
2012	13.71	17.41	36.24	39.20	51.28	60.14	65.85	57.55	44.60	34.55	24.86	13.13
2013	8.31	14.06	21.03	30.26	47.74	59.42	60.63	59.64	53.66	37.40	20.48	3.49
2014	1.75	0.50	19.98	34.82	46.98	59.18	58.77	61.15	49.58	39.03	17.24	19.28
2015	13.77	6.16	25.61	37.46	48.43	59.60	61.50	57.66	56.60	41.35	29.90	20.10
2016	10.92	20.27	30.37	37.76	46.05	59.06	60.10	57.85	52.34	39.14	29.90	10.69
2017	12.72	21.52	25.21	36.80	44.60	56.54	61.03	55.34	51.26	36.59	21.74	10.05
2018	5.06	2.24	25.55	26.96	51.39	60.80	59.81	58.07	52.40	33.34	19.70	16.55
2019	6.16	1.08	18.53	34.10	42.34	57.08	62.37	57.74	54.98	33.68	21.68	14.29
2020	11.21	10.83	27.70	29.30	46.52	60.80	61.55	58.25	46.40	29.30	24.32	14.35
2021	16.38	2.69	28.75	33.86	45.12	58.04	59.13	59.50	49.46	42.65	26.34	14.75
2022	3.49	5.13	22.94	30.32	46.40	58.19	61.76	57.72	49.10	33.57	21.44	8.19
2023	8.14	6.67	16.67	33.14	48.14	59.42	55.57	58.65	51.38	38.39	23.00	23.35
2024	9.99	23.12	23.81	36.32	46.46	56.39	60.22	57.61	50.00	39.08	27.50	14.65
2025	6.50	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	6.10	10.58	22.30	33.79	46.80	58.31	61.80	59.00	49.61	36.20	22.99	12.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	17.08	29.49	31.97	50.81	56.88	70.64	72.88	68.55	65.42	50.32	36.83	19.34
2006	30.05	22.42	33.65	51.08	57.20	66.23	71.86	68.44	55.88	44.83	33.53	27.04
2007	17.08	12.94	36.38	43.67	61.03	67.61	71.80	70.06	61.88	52.67	33.98	17.63
2008	15.19	16.64	29.65	42.80	55.46	66.92	72.18	68.90	60.65	49.13	34.07	14.41
2009	13.04	23.03	32.87	44.66	57.35	65.63	66.69	66.17	61.91	41.26	40.76	15.54
2010	10.69	15.90	36.79	52.70	57.81	68.09	72.18	72.73	59.96	51.45	34.13	16.09
2011	11.30	16.48	29.47	43.91	57.35	67.76	76.01	68.87	58.34	51.83	35.42	25.73
2012	23.75	26.17	48.43	50.96	62.34	71.78	77.58	69.80	60.65	45.65	35.45	22.30
2013	17.48	22.20	28.57	39.02	57.64	68.48	71.63	71.02	66.38	47.85	31.94	12.69
2014	13.30	11.08	29.65	45.74	59.17	68.60	68.87	70.06	61.28	51.05	26.66	25.82
2015	21.35	15.93	38.18	50.30	58.39	69.47	72.06	68.06	66.98	52.87	38.54	26.89
2016	18.30	26.76	40.16	47.57	57.66	70.31	70.47	67.86	63.14	49.68	40.25	18.76
2017	19.28	30.71	33.07	46.94	55.84	68.66	72.24	65.15	62.81	47.39	32.78	19.08
2018	14.70	12.49	31.59	36.26	62.95	70.40	70.21	67.97	61.70	43.06	27.71	24.36
2019	14.70	9.31	27.56	44.48	53.22	68.09	71.63	67.01	64.61	42.31	30.11	21.58
2020	18.65	20.58	36.06	42.50	55.11	72.05	72.12	69.77	59.27	37.62	35.90	25.12
2021	23.41	10.72	38.59	45.08	56.13	71.36	70.07	69.83	62.63	53.60	35.95	23.90
2022	14.93	17.41	32.09	40.49	56.77	69.37	71.66	68.61	62.51	47.97	31.97	15.42
2023	15.74	17.15	24.28	43.76	61.47	70.70	68.06	70.18	64.64	48.52	36.08	31.25
2024	16.47	32.53	35.25	47.27	58.56	66.91	70.41	67.83	64.52	52.96	35.87	22.42
2025	15.42	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	15.65	20.53	32.75	45.85	58.54	69.51	73.25	70.64	62.45	48.65	33.60	21.20

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
2005	93.8%	81.5%	73.0%	64.6%	66.8%	71.8%	70.8%	72.2%	68.4%	69.8%	71.5%	84.4%
2006	82.9%	71.3%	74.9%	68.3%	70.8%	71.8%	77.1%	83.9%	82.4%	70.6%	76.3%	82.1%
2007	82.5%	81.6%	86.4%	69.2%	67.7%	68.9%	71.4%	79.5%	69.4%	71.0%	64.5%	72.7%
2008	61.7%	63.0%	72.0%	69.1%	62.3%	62.2%	69.1%	73.2%	72.2%	69.3%	78.2%	77.2%
2009	76.0%	73.4%	74.7%	64.6%	57.2%	65.8%	71.4%	75.0%	73.1%	80.6%	75.6%	80.7%
2010	80.7%	77.9%	76.5%	58.5%	56.6%	68.2%	73.9%	76.0%	71.6%	65.2%	74.2%	82.0%
2011	80.2%	79.0%	80.9%	72.9%	63.1%	66.7%	74.6%	75.5%	66.6%	60.4%	64.1%	74.8%
2012	74.7%	78.4%	72.4%	59.2%	61.5%	57.8%	67.1%	68.1%	53.6%	63.7%	72.5%	77.7%
2013	77.8%	80.0%	76.0%	73.1%	68.1%	66.2%	66.2%	74.0%	68.9%	71.7%	73.1%	77.7%
2014	73.3%	72.7%	71.7%	64.0%	58.9%	70.1%	68.6%	77.5%	73.3%	63.7%	72.8%	83.0%
2015	80.8%	71.5%	65.1%	54.8%	66.9%	67.6%	71.1%	76.4%	72.1%	63.8%	77.2%	86.1%
2016	82.8%	82.1%	73.8%	65.2%	60.3%	62.2%	73.1%	76.4%	72.8%	74.6%	77.7%	77.5%
2017	80.7%	75.6%	71.7%	68.0%	60.1%	56.2%	67.9%	76.5%	74.1%	69.4%	70.7%	73.5%
2018	77.3%	76.4%	80.3%	70.5%	64.6%	69.2%	71.9%	79.4%	74.4%	74.8%	77.5%	84.2%
2019	77.5%	77.8%	77.8%	74.3%	73.2%	62.6%	74.1%	74.3%	75.4%	72.6%	80.2%	85.6%
2020	83.0%	78.1%	77.4%	62.1%	65.4%	60.2%	72.6%	71.6%	64.5%	72.4%	75.7%	75.1%
2021	82.7%	74.5%	73.8%	59.5%	61.3%	51.7%	73.3%	72.9%	68.9%	72.0%	71.3%	75.2%
2022	71.9%	65.9%	69.4%	66.5%	62.7%	57.8%	69.1%	77.7%	67.5%	60.9%	72.6%	82.7%
2023	87.2%	82.9%	82.5%	65.3%	57.2%	63.8%	71.0%	74.4%	70.2%	71.8%	69.1%	81.2%
2024	84.2%	79.2%	60.8%	63.9%	63.5%	66.7%	75.1%	78.5%	65.4%	57.7%	82.4%	79.5%
2025	70.5%	M	M	M	M	M	M	M	M	M	M	M