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 (USC00472314) 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	0.00	0.43	0.54	0.83	1.19	4.16	1.56	0.78	0.47	1.04	0.48	0.06
2006	0.24	0.06	0.66	0.49	1.93	1.40	3.05	3.63	0.68	0.73	0.62	1.06
2007	0.10	0.02	0.58	0.64	1.85	0.92	0.69	1.04	1.96	2.65	0.03	0.25
2008	0.10	0.11	0.15	1.03	1.61	1.85	2.08	1.21	2.55	1.06	0.24	0.09
2009	0.05	0.13	0.18	0.94	1.63	1.80	2.27	1.20	0.00	1.97	0.15	0.08
2010	0.03	0.00	0.08	1.07	0.68	3.70	3.54	6.27	5.80	1.75	0.75	0.28
2011	0.01	0.03	0.38	1.13	1.51	3.31	0.87	1.45	1.70	1.35	0.45	0.46
2012	0.21	0.06	0.71	0.43	2.74	3.30	3.20	0.70	1.71	3.21	0.85	0.18
2013	0.15	0.31	0.28	1.84	1.53	0.63	0.12	0.68	0.69	3.05	1.04	0.03
2014	0.02	0.20	0.55	1.34	2.18	2.47	2.53	2.26	2.69	2.10	0.43	0.19
2015	0.04	M	0.34	0.57	1.85	1.94	0.62	1.02	1.60	2.36	1.87	1.77
2016	0.38	0.16	0.78	1.16	2.25	1.83	1.98	3.54	0.63	1.66	1.06	0.41
2017	0.35	0.57	0.39	3.27	3.25	2.00	0.10	0.56	2.41	3.71	0.62	0.44
2018	0.38	0.33	0.46	0.30	2.15	5.06	2.50	2.35	3.39	3.88	0.47	0.20
2019	0.25	0.20	0.27	2.00	4.14	1.03	4.12	1.94	3.79	2.26	0.35	1.18
2020	0.03	0.19	1.13	1.33	0.52	2.27	6.40	5.72	3.84	1.66	0.78	0.21
2021	0.20	0.15	1.08	2.29	1.18	2.36	1.16	2.03	2.44	0.64	0.70	0.71
2022	M	0.15	1.51	2.63	2.88	2.34	3.13	2.12	1.20	0.89	2.25	0.55
2023	0.20	0.46	0.34	2.06	0.58	0.69	2.60	2.65	0.86	1.16	0.60	0.61
2024	0.11	0.03	1.19	1.29	2.45	1.48	1.49	1.46	0.39	1.60	1.75	0.85
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	1.26	1.10	1.61	2.78	3.51	4.06	4.01	3.20	3.61	3.55	1.92	1.56

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	1.9	5.5	4.9	6.1	6.0	6.0	4.4	4.2	5.1	4.7	6.5	4.7
2006	6.3	6.3	5.6	6.8	7.1	4.7	4.9	4.1	4.6	5.8	5.1	5.3
2007	5.2	6.6	7.0	6.8	7.2	5.5	4.5	5.2	6.2	6.1	6.1	4.8
2008	5.7	4.8	5.3	6.7	6.6	6.6	5.2	4.4	5.2	5.6	5.8	5.8
2009	4.6	6.2	6.7	6.5	6.9	4.7	5.3	4.8	3.1	5.5	4.7	5.5
2010	6.6	5.4	4.8	7.0	5.9	4.8	4.2	4.8	5.7	5.3	7.1	6.7
2011	6.0	7.5	6.5	7.2	7.6	7.2	4.7	3.9	5.1	5.2	5.5	5.2
2012	6.2	5.5	6.3	5.9	6.2	5.0	3.8	4.1	4.1	5.5	5.2	4.9
2013	6.4	5.4	6.0	6.3	6.2	4.3	4.6	3.7	4.5	5.0	6.6	4.8
2014	6.4	5.8	5.5	6.8	5.1	5.2	5.2	3.8	4.7	5.9	6.1	5.0
2015	6.0	5.6	6.1	6.4	5.8	4.0	4.7	5.1	4.3	5.6	5.7	5.7
2016	5.2	6.5	4.8	6.2	5.5	5.7	4.8	3.7	4.9	5.1	5.0	6.7
2017	4.6	6.5	6.5	6.4	5.5	5.0	3.6	4.2	4.3	5.7	6.2	5.2
2018	6.2	5.3	5.2	5.9	4.6	5.1	4.4	3.3	4.3	5.3	5.1	5.5
2019	5.3	4.6	5.2	5.7	5.5	4.6	4.4	3.4	5.1	5.9	5.4	5.2
2020	5.1	5.8	6.0	5.7	5.8	5.3	3.9	4.0	4.3	5.0	5.7	4.9
2021	4.3	4.5	6.0	5.5	5.1	4.2	3.6	3.6	3.9	4.4	5.0	5.8
2022	5.6	5.9	5.8	7.1	5.7	4.9	4.1	3.9	4.1	4.8	5.5	6.0
2023	4.9	4.3	5.1	6.5	4.9	4.1	3.1	3.5	3.9	4.7	5.0	4.4
2024	4.5	4.8	5.8	6.8	5.1	5.1	3.4	3.4	3.4	2.6	4.9	5.3
2025	5.4	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	27.11	30.26	34.67	55.46	59.52	77.78	78.57	73.86	70.76	55.40	37.58	24.05
2006	30.20	24.09	36.65	56.48	62.43	73.16	80.72	74.10	62.00	47.85	39.80	30.43
2007	20.40	17.93	40.83	48.74	67.65	76.40	78.28	76.71	68.30	57.32	34.16	23.00
2008	21.43	21.70	31.65	48.62	59.58	71.18	76.30	77.52	67.40	53.14	36.86	21.14
2009	16.73	26.92	36.01	47.90	61.61	69.66	70.35	71.63	71.49	44.54	44.88	22.19
2010	21.72	26.55	48.50	59.02	67.76	69.74	77.51	76.88	61.29	56.26	39.36	22.94
2011	17.58	27.95	34.15	56.58	63.97	76.60	82.43	77.83	73.25	62.96	47.44	37.04
2012	27.53	31.75	51.86	53.82	68.70	76.34	81.59	74.68	65.30	50.35	38.78	29.39
2013	24.05	24.22	31.01	42.14	63.82	71.16	77.10	75.89	68.86	52.63	35.26	17.25
2014	13.00	17.41	30.12	45.49	65.56	74.47	73.73	73.89	66.48	50.80	29.85	27.27
2015	20.04	14.12	38.66	53.31	67.02	72.02	78.37	74.06	72.57	54.61	44.94	33.20
2016	23.23	27.82	42.21	49.05	66.93	73.93	78.72	77.07	69.01	57.37	47.64	24.59
2017	25.65	33.62	35.83	53.07	60.81	73.86	78.82	71.39	71.04	57.14	35.37	21.10
2018	23.21	25.08	35.81	42.65	74.78	76.00	79.12	77.10	68.22	47.59	30.20	29.64
2019	17.44	21.05	33.26	47.40	59.99	73.88	80.47	73.71	66.79	49.93	31.60	27.38
2020	26.36	28.00	39.58	47.61	63.14	77.09	80.65	75.97	64.01	45.16	43.84	29.01
2021	27.30	21.16	43.92	52.46	64.60	79.05	79.16	78.75	70.99	60.70	39.46	30.32
2022	18.06	21.49	33.84	43.59	66.80	75.04	78.52	75.55	69.01	55.95	40.98	25.54
2023	25.78	29.93	35.86	48.76	69.12	76.13	76.53	74.57	69.48	52.56	40.32	36.50
2024	25.21	38.67	41.55	52.65	67.27	72.12	78.07	75.97	75.56	61.56	41.72	27.84
2025	19.27	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	21.20	25.97	37.09	50.20	65.10	74.69	78.10	75.30	67.40	52.89	38.00	26.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	8.60	10.08	7.67	30.50	36.94	51.14	52.26	50.46	44.72	36.99	23.06	11.74
2006	18.30	0.69	15.34	31.82	40.71	45.02	52.67	48.49	38.36	28.81	26.18	16.85
2007	1.10	-0.85	16.50	23.84	41.64	46.64	49.71	49.42	44.78	38.45	20.00	6.16
2008	3.95	-4.81	4.13	26.24	33.34	48.08	51.28	45.94	45.62	34.73	23.00	1.11
2009	-6.90	4.36	13.25	26.12	34.55	44.11	44.78	46.16	39.84	31.31	26.36	6.58
2010	7.11	4.29	19.01	30.22	38.95	48.87	53.62	54.80	38.00	31.14	23.31	8.00
2011	-0.32	-3.65	12.28	18.85	33.49	41.62	55.97	50.21	36.10	34.15	21.42	5.75
2012	6.25	10.09	31.01	28.26	40.54	47.66	53.08	47.04	36.62	32.00	24.26	16.38
2013	6.63	4.29	9.35	23.06	38.16	46.57	52.14	48.10	42.30	34.79	22.15	-2.08
2014	-6.29	-10.06	1.50	22.87	38.62	51.00	50.19	50.96	40.22	33.72	11.71	11.74
2015	3.52	-13.15	14.03	27.82	40.08	45.82	51.54	52.85	48.67	34.43	25.21	24.71
2016	8.65	10.96	21.77	27.00	39.57	49.66	53.38	53.57	48.78	35.41	28.61	10.07
2017	7.98	13.13	14.56	30.64	38.53	50.19	50.48	47.07	46.27	36.61	22.01	5.10
2018	4.55	-0.28	8.81	17.76	43.41	51.16	52.65	52.48	46.36	32.13	17.75	15.47
2019	4.34	8.14	8.67	26.91	36.95	47.06	53.91	46.89	49.66	33.51	19.45	12.11
2020	11.77	0.77	20.13	23.04	39.00	49.45	55.86	51.90	42.30	28.89	25.09	13.75
2021	9.50	-7.05	17.23	29.88	38.03	51.69	50.59	51.98	42.71	40.27	21.49	12.36
2022	-4.29	-2.64	10.51	27.42	43.12	47.83	53.16	51.91	43.69	33.79	24.28	11.30
2023	14.45	8.98	11.22	26.23	39.63	48.72	48.66	48.81	48.68	36.56	22.86	22.28
2024	14.61	13.67	19.55	30.12	40.13	48.35	50.54	50.82	43.40	33.62	28.25	15.31
2025	5.48	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	2.19	3.34	13.30	26.30	39.40	50.09	53.91	52.10	44.32	32.70	21.30	9.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	17.86	20.17	21.17	42.98	48.23	64.46	65.42	62.16	57.74	46.20	30.32	17.89
2006	24.25	12.39	25.99	44.15	51.57	59.09	66.69	61.29	50.18	38.33	32.99	23.64
2007	10.75	8.54	28.66	36.29	54.65	61.52	63.99	63.06	56.54	47.88	27.08	14.58
2008	12.69	8.44	17.89	37.43	46.46	59.63	63.79	61.73	56.51	43.93	29.93	11.13
2009	4.91	15.64	24.63	37.01	48.08	56.88	57.56	58.90	55.66	37.92	35.62	14.39
2010	14.42	15.42	33.75	44.62	53.35	59.30	65.56	65.84	49.64	43.70	31.34	15.47
2011	8.63	12.15	23.21	37.71	48.73	59.11	69.20	64.02	54.67	48.55	34.43	21.40
2012	16.89	20.92	41.44	41.04	54.62	62.00	67.33	60.86	50.96	41.17	31.52	22.88
2013	15.34	14.26	20.18	32.60	50.99	58.86	64.62	62.00	55.58	43.71	28.71	7.58
2014	3.36	3.67	15.81	34.18	52.09	62.74	61.96	62.43	53.35	42.26	20.78	19.50
2015	11.78	0.48	26.35	40.56	53.55	58.92	64.96	63.45	60.62	44.52	35.08	28.96
2016	15.94	19.39	31.99	38.02	53.25	61.80	66.05	65.32	58.90	46.39	38.13	17.33
2017	16.81	23.37	25.19	41.86	49.67	62.03	64.65	59.23	58.65	46.88	28.69	13.10
2018	13.88	12.40	22.31	30.21	59.10	63.58	65.88	64.79	57.29	39.86	23.98	22.55
2019	10.89	14.59	20.97	37.16	48.47	60.47	67.19	60.30	58.22	41.72	25.52	19.74
2020	19.07	14.39	29.85	35.33	51.07	63.27	68.25	63.93	53.16	37.03	34.46	21.38
2021	18.40	7.06	30.57	41.17	51.32	65.37	64.87	65.37	56.85	50.49	30.47	21.34
2022	6.89	9.42	22.17	35.51	54.96	61.43	65.84	63.73	56.35	44.87	32.63	18.42
2023	20.11	19.45	23.54	37.49	54.38	62.43	62.59	61.69	59.08	44.56	31.59	29.39
2024	19.91	26.17	30.55	41.39	53.70	60.23	64.30	63.39	59.48	47.59	34.99	21.58
2025	12.38	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	11.70	14.66	25.20	38.25	52.25	62.39	66.00	63.70	55.86	42.80	29.65	18.05

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	86.9%	80.9%	72.6%	64.5%	71.1%	72.6%	73.1%	77.3%	76.1%	83.2%	88.5%	89.3%
2006	88.8%	75.9%	77.1%	63.1%	75.3%	70.2%	71.8%	75.3%	78.4%	75.5%	80.6%	88.6%
2007	80.7%	70.9%	73.0%	66.8%	64.0%	69.5%	71.8%	70.8%	77.0%	81.1%	80.6%	88.1%
2008	83.5%	79.4%	71.6%	72.0%	65.1%	71.0%	73.8%	73.5%	80.9%	79.7%	85.6%	83.9%
2009	78.6%	76.8%	68.4%	64.5%	61.2%	70.3%	72.4%	76.3%	78.0%	84.0%	76.9%	82.9%
2010	82.4%	76.4%	65.4%	54.8%	61.9%	77.3%	75.0%	76.2%	81.5%	73.5%	77.8%	84.4%
2011	78.9%	70.0%	65.2%	69.1%	63.6%	67.3%	68.5%	74.4%	80.0%	76.4%	78.9%	81.9%
2012	79.0%	74.0%	72.3%	62.9%	64.7%	66.9%	72.0%	73.5%	75.4%	79.9%	80.1%	85.0%
2013	77.8%	81.2%	75.1%	74.0%	67.8%	75.1%	73.2%	77.6%	80.1%	82.0%	80.8%	81.0%
2014	76.1%	72.4%	69.7%	71.9%	67.0%	73.4%	74.7%	80.7%	81.4%	81.2%	82.2%	88.4%
2015	78.5%	69.6%	63.8%	60.0%	67.4%	74.6%	71.4%	78.0%	77.7%	77.8%	82.4%	89.5%
2016	83.1%	78.3%	76.5%	66.4%	64.3%	70.3%	74.0%	80.9%	82.9%	81.1%	82.7%	80.9%
2017	81.8%	72.4%	70.8%	72.0%	70.9%	73.2%	74.5%	81.0%	80.9%	77.2%	79.3%	80.1%
2018	78.6%	68.6%	64.5%	60.9%	59.1%	69.9%	73.7%	82.2%	81.3%	82.6%	83.7%	85.3%
2019	77.3%	80.8%	69.4%	71.1%	68.6%	67.3%	71.4%	77.3%	84.4%	79.0%	81.1%	85.5%
2020	84.8%	68.2%	72.9%	65.7%	60.6%	64.5%	74.6%	78.6%	78.8%	77.4%	77.7%	81.8%
2021	83.3%	69.7%	64.8%	71.5%	65.4%	67.8%	71.1%	77.1%	76.4%	82.0%	77.9%	81.3%
2022	73.1%	70.1%	71.6%	73.0%	65.1%	67.4%	72.1%	79.1%	79.1%	78.5%	80.4%	82.4%
2023	87.9%	72.6%	69.8%	71.3%	60.5%	70.2%	76.0%	76.5%	82.0%	82.3%	74.1%	86.4%
2024	84.9%	70.3%	66.6%	67.1%	67.0%	76.0%	76.1%	79.4%	73.5%	67.6%	85.7%	86.1%
2025	77.6%	M	M	M	M	M	M	M	M	M	M	M